Moved QueueMessage and subclasses from hooke.ui to the more central hooke.engine.
[hooke.git] / hooke / ui / gui / __init__.py
index db64594719090084e3e77258d2b64ae2a4a35358..8f1e41bfcf81635bf999539bc221d359dfcbae27 100644 (file)
-# Copyright\r
-\r
-"""Defines :class:`GUI` providing a wxWindows interface to Hooke.\r
-"""\r
-\r
-WX_GOOD=['2.6','2.8']\r
-\r
-import wxversion\r
-wxversion.select(WX_GOOD)\r
-\r
-import copy\r
-import os.path\r
-import platform\r
-import shutil\r
-import time\r
-\r
-import wx.html\r
-import wx.aui as aui\r
-import wx.lib.evtmgr as evtmgr\r
-\r
-# wxPropertyGrid included in wxPython >= 2.9.1, until then, see\r
-#   http://wxpropgrid.sourceforge.net/cgi-bin/index?page=download\r
-# until then, we'll avoid it because of the *nix build problems.\r
-#import wx.propgrid as wxpg\r
-\r
-from matplotlib.ticker import FuncFormatter\r
-\r
-from ..command import CommandExit, Exit, Command, Argument, StoreValue\r
-from ..interaction import Request, BooleanRequest, ReloadUserInterfaceConfig\r
-from ..ui import UserInterface, CommandMessage\r
-\r
-import lib.prettyformat\r
-import .panel as panel\r
-\r
-\r
-\r
-ID_About = wx.NewId()\r
-ID_Next = wx.NewId()\r
-ID_Previous = wx.NewId()\r
-\r
-ID_ViewAssistant = wx.NewId()\r
-ID_ViewCommands = wx.NewId()\r
-ID_ViewFolders = wx.NewId()\r
-ID_ViewNote = wx.NewId()\r
-ID_ViewOutput = wx.NewId()\r
-ID_ViewPlaylists = wx.NewId()\r
-ID_ViewProperties = wx.NewId()\r
-ID_ViewResults = wx.NewId()\r
-\r
-ID_DeletePerspective = wx.NewId()\r
-ID_SavePerspective = wx.NewId()\r
-\r
-ID_FirstPerspective = ID_SavePerspective + 1000\r
-#I hope we'll never have more than 1000 perspectives\r
-ID_FirstPlot = ID_SavePerspective + 2000\r
-\r
-class Hooke(wx.App):\r
-\r
-    def OnInit(self):\r
-        self.SetAppName('Hooke')\r
-        self.SetVendorName('')\r
-\r
-        window_height = config['main']['height']\r
-        window_left= config['main']['left']\r
-        window_top = config['main']['top']\r
-        window_width = config['main']['width']\r
-\r
-        #sometimes, the ini file gets confused and sets 'left'\r
-        #and 'top' to large negative numbers\r
-        #let's catch and fix this\r
-        #keep small negative numbers, the user might want those\r
-        if window_left < -window_width:\r
-            window_left = 0\r
-        if window_top < -window_height:\r
-            window_top = 0\r
-        window_position = (window_left, window_top)\r
-        window_size = (window_width, window_height)\r
-\r
-        #setup the splashscreen\r
-        if config['splashscreen']['show']:\r
-            filename = lh.get_file_path('hooke.jpg', ['resources'])\r
-            if os.path.isfile(filename):\r
-                bitmap = wx.Image(filename).ConvertToBitmap()\r
-                splashStyle = wx.SPLASH_CENTRE_ON_SCREEN|wx.SPLASH_TIMEOUT\r
-                splashDuration = config['splashscreen']['duration']\r
-                wx.SplashScreen(bitmap, splashStyle, splashDuration, None, -1)\r
-                wx.Yield()\r
-                '''\r
-                we need for the splash screen to disappear\r
-                for whatever reason splashDuration and sleep do not correspond to each other\r
-                at least not on Windows\r
-                maybe it's because duration is in milliseconds and sleep in seconds\r
-                thus we need to increase the sleep time a bit\r
-                a factor of 1.2 seems to work quite well\r
-                '''\r
-                sleepFactor = 1.2\r
-                time.sleep(sleepFactor * splashDuration / 1000)\r
-\r
-        plugin_objects = []\r
-        for plugin in config['plugins']:\r
-            if config['plugins'][plugin]:\r
-                filename = ''.join([plugin, '.py'])\r
-                path = lh.get_file_path(filename, ['plugins'])\r
-                if os.path.isfile(path):\r
-                    #get the corresponding filename and path\r
-                    plugin_name = ''.join(['plugins.', plugin])\r
-                    #import the module\r
-                    __import__(plugin_name)\r
-                    #get the file that contains the plugin\r
-                    class_file = getattr(plugins, plugin)\r
-                    #get the class that contains the commands\r
-                    class_object = getattr(class_file, plugin + 'Commands')\r
-                    plugin_objects.append(class_object)\r
-\r
-        def make_command_class(*bases):\r
-            #create metaclass with plugins and plotmanipulators\r
-            return type(HookeFrame)("HookeFramePlugged", bases + (HookeFrame,), {})\r
-        frame = make_command_class(*plugin_objects)(parent=None, id=wx.ID_ANY, title='Hooke', pos=window_position, size=window_size)\r
-        frame.Show(True)\r
-        self.SetTopWindow(frame)\r
-\r
-        return True\r
-\r
-    def OnExit(self):\r
-        return True\r
-\r
-\r
-class HookeFrame(wx.Frame):\r
-\r
-    def __init__(self, parent, id=-1, title='', pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE|wx.SUNKEN_BORDER|wx.CLIP_CHILDREN):\r
-        #call parent constructor\r
-        wx.Frame.__init__(self, parent, id, title, pos, size, style)\r
-        self.config = config\r
-        self.CreateApplicationIcon()\r
-        #self.configs contains: {the name of the Commands file: corresponding ConfigObj}\r
-        self.configs = {}\r
-        #self.displayed_plot holds the currently displayed plot\r
-        self.displayed_plot = None\r
-        #self.playlists contains: {the name of the playlist: [playlist, tabIndex, plotID]}\r
-        self.playlists = {}\r
-        #list of all plotmanipulators\r
-        self.plotmanipulators = []\r
-        #self.plugins contains: {the name of the plugin: [caption, function]}\r
-        self.plugins = {}\r
-        #self.results_str contains the type of results we want to display\r
-        self.results_str = 'wlc'\r
-\r
-        #tell FrameManager to manage this frame\r
-        self._mgr = aui.AuiManager()\r
-        self._mgr.SetManagedWindow(self)\r
-        #set the gradient style\r
-        self._mgr.GetArtProvider().SetMetric(aui.AUI_DOCKART_GRADIENT_TYPE, aui.AUI_GRADIENT_NONE)\r
-        #set transparent drag\r
-        self._mgr.SetFlags(self._mgr.GetFlags() ^ aui.AUI_MGR_TRANSPARENT_DRAG)\r
-\r
-        # set up default notebook style\r
-        self._notebook_style = aui.AUI_NB_DEFAULT_STYLE | aui.AUI_NB_TAB_EXTERNAL_MOVE | wx.NO_BORDER\r
-        self._notebook_theme = 0\r
-\r
-        #holds the perspectives: {name, perspective_str}\r
-        self._perspectives = {}\r
-\r
-        # min size for the frame itself isn't completely done.\r
-        # see the end up FrameManager::Update() for the test\r
-        # code. For now, just hard code a frame minimum size\r
-        self.SetMinSize(wx.Size(500, 500))\r
-        #define the list of active drivers\r
-        self.drivers = []\r
-        for driver in self.config['drivers']:\r
-            if self.config['drivers'][driver]:\r
-                #get the corresponding filename and path\r
-                filename = ''.join([driver, '.py'])\r
-                path = lh.get_file_path(filename, ['drivers'])\r
-                #the driver is active for driver[1] == 1\r
-                if os.path.isfile(path):\r
-                    #driver files are located in the 'drivers' subfolder\r
-                    driver_name = ''.join(['drivers.', driver])\r
-                    __import__(driver_name)\r
-                    class_file = getattr(drivers, driver)\r
-                    for command in dir(class_file):\r
-                        if command.endswith('Driver'):\r
-                            self.drivers.append(getattr(class_file, command))\r
-        #import all active plugins and plotmanips\r
-        #add 'core.ini' to self.configs (this is not a plugin and thus must be imported separately)\r
-        ini_path = lh.get_file_path('core.ini', ['plugins'])\r
-        plugin_config = ConfigObj(ini_path)\r
-        #self.config.merge(plugin_config)\r
-        self.configs['core'] = plugin_config\r
-        #existing_commands contains: {command: plugin}\r
-        existing_commands = {}\r
-        #make sure we execute _plug_init() for every command line plugin we import\r
-        for plugin in self.config['plugins']:\r
-            if self.config['plugins'][plugin]:\r
-                filename = ''.join([plugin, '.py'])\r
-                path = lh.get_file_path(filename, ['plugins'])\r
-                if os.path.isfile(path):\r
-                    #get the corresponding filename and path\r
-                    plugin_name = ''.join(['plugins.', plugin])\r
-                    try:\r
-                        #import the module\r
-                        module = __import__(plugin_name)\r
-                        #prepare the ini file for inclusion\r
-                        ini_path = path.replace('.py', '.ini')\r
-                        #include ini file\r
-                        plugin_config = ConfigObj(ini_path)\r
-                        #self.config.merge(plugin_config)\r
-                        self.configs[plugin] = plugin_config\r
-                        #add to plugins\r
-                        commands = eval('dir(module.' + plugin+ '.' + plugin + 'Commands)')\r
-                        #keep only commands (ie names that start with 'do_')\r
-                        commands = [command for command in commands if command.startswith('do_')]\r
-                        if commands:\r
-                            for command in commands:\r
-                                if existing_commands.has_key(command):\r
-                                    message_str = 'Adding "' + command + '" in plugin "' + plugin + '".\n\n'\r
-                                    message_str += '"' + command + '" already exists in "' + str(existing_commands[command]) + '".\n\n'\r
-                                    message_str += 'Only "' + command + '" in "' + str(existing_commands[command]) + '" will work.\n\n'\r
-                                    message_str += 'Please rename one of the commands in the source code and restart Hooke or disable one of the plugins.'\r
-                                    dialog = wx.MessageDialog(self, message_str, 'Warning', wx.OK|wx.ICON_WARNING|wx.CENTER)\r
-                                    dialog.ShowModal()\r
-                                    dialog.Destroy()\r
-                                existing_commands[command] = plugin\r
-                            self.plugins[plugin] = commands\r
-                        try:\r
-                            #initialize the plugin\r
-                            eval('module.' + plugin+ '.' + plugin + 'Commands._plug_init(self)')\r
-                        except AttributeError:\r
-                            pass\r
-                    except ImportError:\r
-                        pass\r
-        #add commands from hooke.py i.e. 'core' commands\r
-        commands = dir(HookeFrame)\r
-        commands = [command for command in commands if command.startswith('do_')]\r
-        if commands:\r
-            self.plugins['core'] = commands\r
-        #create panels here\r
-        self.panelAssistant = self.CreatePanelAssistant()\r
-        self.panelCommands = self.CreatePanelCommands()\r
-        self.panelFolders = self.CreatePanelFolders()\r
-        self.panelPlaylists = self.CreatePanelPlaylists()\r
-        self.panelProperties = self.CreatePanelProperties()\r
-        self.panelNote = self.CreatePanelNote()\r
-        self.panelOutput = self.CreatePanelOutput()\r
-        self.panelResults = self.CreatePanelResults()\r
-        self.plotNotebook = self.CreateNotebook()\r
-\r
-        # add panes\r
-        self._mgr.AddPane(self.panelFolders, aui.AuiPaneInfo().Name('Folders').Caption('Folders').Left().CloseButton(True).MaximizeButton(False))\r
-        self._mgr.AddPane(self.panelPlaylists, aui.AuiPaneInfo().Name('Playlists').Caption('Playlists').Left().CloseButton(True).MaximizeButton(False))\r
-        self._mgr.AddPane(self.panelNote, aui.AuiPaneInfo().Name('Note').Caption('Note').Left().CloseButton(True).MaximizeButton(False))\r
-        self._mgr.AddPane(self.plotNotebook, aui.AuiPaneInfo().Name('Plots').CenterPane().PaneBorder(False))\r
-        self._mgr.AddPane(self.panelCommands, aui.AuiPaneInfo().Name('Commands').Caption('Settings and commands').Right().CloseButton(True).MaximizeButton(False))\r
-        self._mgr.AddPane(self.panelProperties, aui.AuiPaneInfo().Name('Properties').Caption('Properties').Right().CloseButton(True).MaximizeButton(False))\r
-        self._mgr.AddPane(self.panelAssistant, aui.AuiPaneInfo().Name('Assistant').Caption('Assistant').Right().CloseButton(True).MaximizeButton(False))\r
-        self._mgr.AddPane(self.panelOutput, aui.AuiPaneInfo().Name('Output').Caption('Output').Bottom().CloseButton(True).MaximizeButton(False))\r
-        self._mgr.AddPane(self.panelResults, aui.AuiPaneInfo().Name('Results').Caption('Results').Bottom().CloseButton(True).MaximizeButton(False))\r
-        #self._mgr.AddPane(self.textCtrlCommandLine, aui.AuiPaneInfo().Name('CommandLine').CaptionVisible(False).Fixed().Bottom().Layer(2).CloseButton(False).MaximizeButton(False))\r
-        #self._mgr.AddPane(panelBottom, aui.AuiPaneInfo().Name("panelCommandLine").Bottom().Position(1).CloseButton(False).MaximizeButton(False))\r
-\r
-        # add the toolbars to the manager\r
-        #self.toolbar=self.CreateToolBar()\r
-        self.toolbarNavigation=self.CreateToolBarNavigation()\r
-        #self._mgr.AddPane(self.toolbar, aui.AuiPaneInfo().Name('toolbar').Caption('Toolbar').ToolbarPane().Top().Layer(1).Row(1).LeftDockable(False).RightDockable(False))\r
-        self._mgr.AddPane(self.toolbarNavigation, aui.AuiPaneInfo().Name('toolbarNavigation').Caption('Navigation').ToolbarPane().Top().Layer(1).Row(1).LeftDockable(False).RightDockable(False))\r
-        # "commit" all changes made to FrameManager\r
-        self._mgr.Update()\r
-        #create the menubar after the panes so that the default perspective\r
-        #is created with all panes open\r
-        self.CreateMenuBar()\r
-        self.statusbar = self.CreateStatusbar()\r
-        self._BindEvents()\r
-\r
-        name = self.config['perspectives']['active']\r
-        menu_item = self.GetPerspectiveMenuItem(name)\r
-        if menu_item is not None:\r
-            self.OnRestorePerspective(menu_item)\r
-            #TODO: config setting to remember playlists from last session\r
-        self.playlists = self.panelPlaylists.Playlists\r
-        #initialize the commands tree\r
-        self.panelCommands.Initialize(self.plugins)\r
-        for command in dir(self):\r
-            if command.startswith('plotmanip_'):\r
-                self.plotmanipulators.append(lib.plotmanipulator.Plotmanipulator(method=getattr(self, command), command=command))\r
-\r
-        #load default list, if possible\r
-        self.do_loadlist(self.GetStringFromConfig('core', 'preferences', 'playlist'))\r
-\r
-    def _BindEvents(self):\r
-        #TODO: figure out if we can use the eventManager for menu ranges\r
-        #and events of 'self' without raising an assertion fail error\r
-        self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)\r
-        self.Bind(wx.EVT_SIZE, self.OnSize)\r
-        self.Bind(wx.EVT_CLOSE, self.OnClose)\r
-        # Show How To Use The Closing Panes Event\r
-        self.Bind(aui.EVT_AUI_PANE_CLOSE, self.OnPaneClose)\r
-        self.Bind(aui.EVT_AUINOTEBOOK_PAGE_CLOSE, self.OnNotebookPageClose)\r
-        #menu\r
-        evtmgr.eventManager.Register(self.OnAbout, wx.EVT_MENU, win=self, id=wx.ID_ABOUT)\r
-        evtmgr.eventManager.Register(self.OnClose, wx.EVT_MENU, win=self, id=wx.ID_EXIT)\r
-        #view\r
-        self.Bind(wx.EVT_MENU_RANGE, self.OnView, id=ID_ViewAssistant, id2=ID_ViewResults)\r
-        #perspectives\r
-        self.Bind(wx.EVT_MENU, self.OnDeletePerspective, id=ID_DeletePerspective)\r
-        self.Bind(wx.EVT_MENU, self.OnSavePerspective, id=ID_SavePerspective)\r
-        self.Bind(wx.EVT_MENU_RANGE, self.OnRestorePerspective, id=ID_FirstPerspective, id2=ID_FirstPerspective+1000)\r
-        #toolbar\r
-        evtmgr.eventManager.Register(self.OnNext, wx.EVT_TOOL, win=self, id=ID_Next)\r
-        evtmgr.eventManager.Register(self.OnPrevious, wx.EVT_TOOL, win=self, id=ID_Previous)\r
-        #self.Bind(.EVT_AUITOOLBAR_TOOL_DROPDOWN, self.OnDropDownToolbarItem, id=ID_DropDownToolbarItem)\r
-        #dir control\r
-        treeCtrl = self.panelFolders.GetTreeCtrl()\r
-        #tree.Bind(wx.EVT_LEFT_UP, self.OnDirCtrl1LeftUp)\r
-        #tree.Bind(wx.EVT_LEFT_DOWN, self.OnGenericDirCtrl1LeftDown)\r
-        treeCtrl.Bind(wx.EVT_LEFT_DCLICK, self.OnDirCtrlLeftDclick)\r
-        #playlist tree\r
-        self.panelPlaylists.PlaylistsTree.Bind(wx.EVT_LEFT_DOWN, self.OnPlaylistsLeftDown)\r
-        self.panelPlaylists.PlaylistsTree.Bind(wx.EVT_LEFT_DCLICK, self.OnPlaylistsLeftDclick)\r
-        #commands tree\r
-        evtmgr.eventManager.Register(self.OnExecute, wx.EVT_BUTTON, self.panelCommands.ExecuteButton)\r
-        evtmgr.eventManager.Register(self.OnTreeCtrlCommandsSelectionChanged, wx.EVT_TREE_SEL_CHANGED, self.panelCommands.CommandsTree)\r
-        evtmgr.eventManager.Register(self.OnTreeCtrlItemActivated, wx.EVT_TREE_ITEM_ACTIVATED, self.panelCommands.CommandsTree)\r
-        evtmgr.eventManager.Register(self.OnUpdateNote, wx.EVT_BUTTON, self.panelNote.UpdateButton)\r
-        #property editor\r
-        self.panelProperties.pg.Bind(wxpg.EVT_PG_CHANGED, self.OnPropGridChanged)\r
-        #results panel\r
-        self.panelResults.results_list.OnCheckItem = self.OnResultsCheck\r
-\r
-    def _GetActiveFileIndex(self):\r
-        lib.playlist.Playlist = self.GetActivePlaylist()\r
-        #get the selected item from the tree\r
-        selected_item = self.panelPlaylists.PlaylistsTree.GetSelection()\r
-        #test if a playlist or a curve was double-clicked\r
-        if self.panelPlaylists.PlaylistsTree.ItemHasChildren(selected_item):\r
-            return -1\r
-        else:\r
-            count = 0\r
-            selected_item = self.panelPlaylists.PlaylistsTree.GetPrevSibling(selected_item)\r
-            while selected_item.IsOk():\r
-                count += 1\r
-                selected_item = self.panelPlaylists.PlaylistsTree.GetPrevSibling(selected_item)\r
-            return count\r
-\r
-    def _GetPlaylistTab(self, name):\r
-        for index, page in enumerate(self.plotNotebook._tabs._pages):\r
-            if page.caption == name:\r
-                return index\r
-        return -1\r
-\r
-    def _GetUniquePlaylistName(self, name):\r
-        playlist_name = name\r
-        count = 1\r
-        while playlist_name in self.playlists:\r
-            playlist_name = ''.join([name, str(count)])\r
-            count += 1\r
-        return playlist_name\r
-\r
-    def _RestorePerspective(self, name):\r
-        self._mgr.LoadPerspective(self._perspectives[name])\r
-        self.config['perspectives']['active'] = name\r
-        self._mgr.Update()\r
-        all_panes = self._mgr.GetAllPanes()\r
-        for pane in all_panes:\r
-            if not pane.name.startswith('toolbar'):\r
-                if pane.name == 'Assistant':\r
-                    self.MenuBar.FindItemById(ID_ViewAssistant).Check(pane.window.IsShown())\r
-                if pane.name == 'Folders':\r
-                    self.MenuBar.FindItemById(ID_ViewFolders).Check(pane.window.IsShown())\r
-                if pane.name == 'Playlists':\r
-                    self.MenuBar.FindItemById(ID_ViewPlaylists).Check(pane.window.IsShown())\r
-                if pane.name == 'Commands':\r
-                    self.MenuBar.FindItemById(ID_ViewCommands).Check(pane.window.IsShown())\r
-                if pane.name == 'Note':\r
-                    self.MenuBar.FindItemById(ID_ViewNote).Check(pane.window.IsShown())\r
-                if pane.name == 'Properties':\r
-                    self.MenuBar.FindItemById(ID_ViewProperties).Check(pane.window.IsShown())\r
-                if pane.name == 'Output':\r
-                    self.MenuBar.FindItemById(ID_ViewOutput).Check(pane.window.IsShown())\r
-                if pane.name == 'Results':\r
-                    self.MenuBar.FindItemById(ID_ViewResults).Check(pane.window.IsShown())\r
-\r
-    def _SavePerspectiveToFile(self, name, perspective):\r
-        filename = ''.join([name, '.txt'])\r
-        filename = lh.get_file_path(filename, ['perspectives'])\r
-        perspectivesFile = open(filename, 'w')\r
-        perspectivesFile.write(perspective)\r
-        perspectivesFile.close()\r
-\r
-    def _UnbindEvents(self):\r
-        #menu\r
-        evtmgr.eventManager.DeregisterListener(self.OnAbout)\r
-        evtmgr.eventManager.DeregisterListener(self.OnClose)\r
-        #toolbar\r
-        evtmgr.eventManager.DeregisterListener(self.OnNext)\r
-        evtmgr.eventManager.DeregisterListener(self.OnPrevious)\r
-        #commands tree\r
-        evtmgr.eventManager.DeregisterListener(self.OnExecute)\r
-        evtmgr.eventManager.DeregisterListener(self.OnTreeCtrlCommandsSelectionChanged)\r
-        evtmgr.eventManager.DeregisterListener(self.OnTreeCtrlItemActivated)\r
-        evtmgr.eventManager.DeregisterListener(self.OnUpdateNote)\r
-\r
-    def AddPlaylist(self, playlist=None, name='Untitled'):\r
-        if playlist and playlist.count > 0:\r
-            playlist.name = self._GetUniquePlaylistName(name)\r
-            playlist.reset()\r
-            self.AddToPlaylists(playlist)\r
-\r
-    def AddPlaylistFromFiles(self, files=[], name='Untitled'):\r
-        if files:\r
-            playlist = lib.playlist.Playlist(self, self.drivers)\r
-            for item in files:\r
-                playlist.add_curve(item)\r
-        if playlist.count > 0:\r
-            playlist.name = self._GetUniquePlaylistName(name)\r
-            playlist.reset()\r
-            self.AddTayliss(playlist)\r
-\r
-    def AddToPlaylists(self, playlist):\r
-        if playlist.count > 0:\r
-            #setup the playlist in the Playlist tree\r
-            tree_root = self.panelPlaylists.PlaylistsTree.GetRootItem()\r
-            playlist_root = self.panelPlaylists.PlaylistsTree.AppendItem(tree_root, playlist.name, 0)\r
-            #add all files to the Playlist tree\r
-#            files = {}\r
-            hide_curve_extension = self.GetBoolFromConfig('core', 'preferences', 'hide_curve_extension')\r
-            for index, file_to_add in enumerate(playlist.files):\r
-                #optionally remove the extension from the name of the curve\r
-                if hide_curve_extension:\r
-                    file_to_add.name = lh.remove_extension(file_to_add.name)\r
-                file_ID = self.panelPlaylists.PlaylistsTree.AppendItem(playlist_root, file_to_add.name, 1)\r
-                if index == playlist.index:\r
-                    self.panelPlaylists.PlaylistsTree.SelectItem(file_ID)\r
-            playlist.reset()\r
-            #create the plot tab and add playlist to the dictionary\r
-            plotPanel = panels.plot.PlotPanel(self, ID_FirstPlot + len(self.playlists))\r
-            notebook_tab = self.plotNotebook.AddPage(plotPanel, playlist.name, True)\r
-            #tab_index = self.plotNotebook.GetSelection()\r
-            playlist.figure = plotPanel.get_figure()\r
-            self.playlists[playlist.name] = playlist\r
-            #self.playlists[playlist.name] = [playlist, figure]\r
-            self.panelPlaylists.PlaylistsTree.Expand(playlist_root)\r
-            self.statusbar.SetStatusText(playlist.get_status_string(), 0)\r
-            self.UpdateNote()\r
-            self.UpdatePlot()\r
-\r
-    def AppendToOutput(self, text):\r
-        self.panelOutput.AppendText(''.join([text, '\n']))\r
-\r
-    def AppliesPlotmanipulator(self, name):\r
-        '''\r
-        Returns True if the plotmanipulator 'name' is applied, False otherwise\r
-        name does not contain 'plotmanip_', just the name of the plotmanipulator (e.g. 'flatten')\r
-        '''\r
-        return self.GetBoolFromConfig('core', 'plotmanipulators', name)\r
-\r
-    def ApplyPlotmanipulators(self, plot, plot_file):\r
-        '''\r
-        Apply all active plotmanipulators.\r
-        '''\r
-        if plot is not None and plot_file is not None:\r
-            manipulated_plot = copy.deepcopy(plot)\r
-            for plotmanipulator in self.plotmanipulators:\r
-                if self.GetBoolFromConfig('core', 'plotmanipulators', plotmanipulator.name):\r
-                    manipulated_plot = plotmanipulator.method(manipulated_plot, plot_file)\r
-            return manipulated_plot\r
-\r
-    def CreateApplicationIcon(self):\r
-        iconFile = 'resources' + os.sep + 'microscope.ico'\r
-        icon = wx.Icon(iconFile, wx.BITMAP_TYPE_ICO)\r
-        self.SetIcon(icon)\r
-\r
-    def CreateCommandLine(self):\r
-        return wx.TextCtrl(self, -1, '', style=wx.NO_BORDER|wx.EXPAND)\r
-\r
-    def CreatePanelAssistant(self):\r
-        panel = wx.TextCtrl(self, -1, '', wx.Point(0, 0), wx.Size(150, 90), wx.NO_BORDER|wx.TE_MULTILINE)\r
-        panel.SetEditable(False)\r
-        return panel\r
-\r
-    def CreatePanelCommands(self):\r
-        return panels.commands.Commands(self)\r
-\r
-    def CreatePanelFolders(self):\r
-        #set file filters\r
-        filters = self.config['folders']['filters']\r
-        index = self.config['folders'].as_int('filterindex')\r
-        #set initial directory\r
-        folder = self.GetStringFromConfig('core', 'preferences', 'workdir')\r
-        return wx.GenericDirCtrl(self, -1, dir=folder, size=(200, 250), style=wx.DIRCTRL_SHOW_FILTERS, filter=filters, defaultFilter=index)\r
-\r
-    def CreatePanelNote(self):\r
-        return panels.note.Note(self)\r
-\r
-    def CreatePanelOutput(self):\r
-        return wx.TextCtrl(self, -1, '', wx.Point(0, 0), wx.Size(150, 90), wx.NO_BORDER|wx.TE_MULTILINE)\r
-\r
-    def CreatePanelPlaylists(self):\r
-        return panels.playlist.Playlists(self)\r
-\r
-    def CreatePanelProperties(self):\r
-        return panels.propertyeditor.PropertyEditor(self)\r
-\r
-    def CreatePanelResults(self):\r
-        return panels.results.Results(self)\r
-\r
-    def CreatePanelWelcome(self):\r
-        #TODO: move into panels.welcome\r
-        ctrl = wx.html.HtmlWindow(self, -1, wx.DefaultPosition, wx.Size(400, 300))\r
-        introStr = '<h1>Welcome to Hooke</h1>' + \\r
-                 '<h3>Features</h3>' + \\r
-                 '<ul>' + \\r
-                 '<li>View, annotate, measure force files</li>' + \\r
-                 '<li>Worm-like chain fit of force peaks</li>' + \\r
-                 '<li>Automatic convolution-based filtering of empty files</li>' + \\r
-                 '<li>Automatic fit and measurement of multiple force peaks</li>' + \\r
-                 '<li>Handles force-clamp force experiments (experimental)</li>' + \\r
-                 '<li>It is extensible by users by means of plugins and drivers</li>' + \\r
-                 '</ul>' + \\r
-                 '<p>See the <a href="http://code.google.com/p/hooke/wiki/DocumentationIndex">DocumentationIndex</a> for more information</p>'\r
-        ctrl.SetPage(introStr)\r
-        return ctrl\r
-\r
-    def CreateMenuBar(self):\r
-        menu_bar = wx.MenuBar()\r
-        self.SetMenuBar(menu_bar)\r
-        #file\r
-        file_menu = wx.Menu()\r
-        file_menu.Append(wx.ID_EXIT, 'Exit\tCtrl-Q')\r
-#        edit_menu.AppendSeparator();\r
-#        edit_menu.Append(ID_Config, 'Preferences')\r
-        #view\r
-        view_menu = wx.Menu()\r
-        view_menu.AppendCheckItem(ID_ViewFolders, 'Folders\tF5')\r
-        view_menu.AppendCheckItem(ID_ViewPlaylists, 'Playlists\tF6')\r
-        view_menu.AppendCheckItem(ID_ViewCommands, 'Commands\tF7')\r
-        view_menu.AppendCheckItem(ID_ViewProperties, 'Properties\tF8')\r
-        view_menu.AppendCheckItem(ID_ViewAssistant, 'Assistant\tF9')\r
-        view_menu.AppendCheckItem(ID_ViewResults, 'Results\tF10')\r
-        view_menu.AppendCheckItem(ID_ViewOutput, 'Output\tF11')\r
-        view_menu.AppendCheckItem(ID_ViewNote, 'Note\tF12')\r
-        #perspectives\r
-        perspectives_menu = wx.Menu()\r
-\r
-        #help\r
-        help_menu = wx.Menu()\r
-        help_menu.Append(wx.ID_ABOUT, 'About Hooke')\r
-        #put it all together\r
-        menu_bar.Append(file_menu, 'File')\r
-        menu_bar.Append(view_menu, 'View')\r
-        menu_bar.Append(perspectives_menu, "Perspectives")\r
-        self.UpdatePerspectivesMenu()\r
-        menu_bar.Append(help_menu, 'Help')\r
-\r
-    def CreateNotebook(self):\r
-        # create the notebook off-window to avoid flicker\r
-        client_size = self.GetClientSize()\r
-        ctrl = aui.AuiNotebook(self, -1, wx.Point(client_size.x, client_size.y), wx.Size(430, 200), self._notebook_style)\r
-        arts = [aui.AuiDefaultTabArt, aui.AuiSimpleTabArt, aui.VC71TabArt, aui.FF2TabArt, aui.VC8TabArt, aui.ChromeTabArt]\r
-        art = arts[self._notebook_theme]()\r
-        ctrl.SetArtProvider(art)\r
-        #uncomment if we find a nice icon\r
-        #page_bmp = wx.ArtProvider.GetBitmap(wx.ART_NORMAL_FILE, wx.ART_OTHER, wx.Size(16, 16))\r
-        ctrl.AddPage(self.CreatePanelWelcome(), "Welcome", False)\r
-        return ctrl\r
-\r
-    def CreateStatusbar(self):\r
-        statusbar = self.CreateStatusBar(2, wx.ST_SIZEGRIP)\r
-        statusbar.SetStatusWidths([-2, -3])\r
-        statusbar.SetStatusText('Ready', 0)\r
-        welcomeString=u'Welcome to Hooke (version '+__version__+', '+__release_name__+')!'\r
-        statusbar.SetStatusText(welcomeString, 1)\r
-        return statusbar\r
-\r
-    def CreateToolBarNavigation(self):\r
-        toolbar = wx.ToolBar(self, -1, wx.DefaultPosition, wx.DefaultSize, wx.TB_FLAT | wx.TB_NODIVIDER)\r
-        toolbar.SetToolBitmapSize(wx.Size(16,16))\r
-        toolbar_bmpBack = wx.ArtProvider_GetBitmap(wx.ART_GO_BACK, wx.ART_OTHER, wx.Size(16, 16))\r
-        toolbar_bmpForward = wx.ArtProvider_GetBitmap(wx.ART_GO_FORWARD, wx.ART_OTHER, wx.Size(16, 16))\r
-        toolbar.AddLabelTool(ID_Previous, 'Previous', toolbar_bmpBack, shortHelp='Previous curve')\r
-        toolbar.AddLabelTool(ID_Next, 'Next', toolbar_bmpForward, shortHelp='Next curve')\r
-        toolbar.Realize()\r
-        return toolbar\r
-\r
-    def DeleteFromPlaylists(self, name):\r
-        if name in self.playlists:\r
-            del self.playlists[name]\r
-        tree_root = self.panelPlaylists.PlaylistsTree.GetRootItem()\r
-        item, cookie = self.panelPlaylists.PlaylistsTree.GetFirstChild(tree_root)\r
-        while item.IsOk():\r
-            playlist_name = self.panelPlaylists.PlaylistsTree.GetItemText(item)\r
-            if playlist_name == name:\r
-                try:\r
-                    self.panelPlaylists.PlaylistsTree.Delete(item)\r
-                except:\r
-                    pass\r
-            item = self.panelPlaylists.PlaylistsTree.GetNextSibling(item)\r
-\r
-    def GetActiveFigure(self):\r
-        playlist_name = self.GetActivePlaylistName()\r
-        figure = self.playlists[playlist_name].figure\r
-        if figure is not None:\r
-            return figure\r
-        return None\r
-\r
-    def GetActiveFile(self):\r
-        playlist = self.GetActivePlaylist()\r
-        if playlist is not None:\r
-            return playlist.get_active_file()\r
-        return None\r
-\r
-    def GetActivePlaylist(self):\r
-        playlist_name = self.GetActivePlaylistName()\r
-        if playlist_name in self.playlists:\r
-            return self.playlists[playlist_name]\r
-        return None\r
-\r
-    def GetActivePlaylistName(self):\r
-        #get the selected item from the tree\r
-        selected_item = self.panelPlaylists.PlaylistsTree.GetSelection()\r
-        #test if a playlist or a curve was double-clicked\r
-        if self.panelPlaylists.PlaylistsTree.ItemHasChildren(selected_item):\r
-            playlist_item = selected_item\r
-        else:\r
-            #get the name of the playlist\r
-            playlist_item = self.panelPlaylists.PlaylistsTree.GetItemParent(selected_item)\r
-        #now we have a playlist\r
-        return self.panelPlaylists.PlaylistsTree.GetItemText(playlist_item)\r
-\r
-    def GetActivePlot(self):\r
-        playlist = self.GetActivePlaylist()\r
-        if playlist is not None:\r
-            return playlist.get_active_file().plot\r
-        return None\r
-\r
-    def GetDisplayedPlot(self):\r
-        plot = copy.deepcopy(self.displayed_plot)\r
-        #plot.curves = []\r
-        #plot.curves = copy.deepcopy(plot.curves)\r
-        return plot\r
-\r
-    def GetDisplayedPlotCorrected(self):\r
-        plot = copy.deepcopy(self.displayed_plot)\r
-        plot.curves = []\r
-        plot.curves = copy.deepcopy(plot.corrected_curves)\r
-        return plot\r
-\r
-    def GetDisplayedPlotRaw(self):\r
-        plot = copy.deepcopy(self.displayed_plot)\r
-        plot.curves = []\r
-        plot.curves = copy.deepcopy(plot.raw_curves)\r
-        return plot\r
-\r
-    def GetDockArt(self):\r
-        return self._mgr.GetArtProvider()\r
-\r
-    def GetBoolFromConfig(self, *args):\r
-        if len(args) == 2:\r
-            plugin = args[0]\r
-            section = args[0]\r
-            key = args[1]\r
-        elif len(args) == 3:\r
-            plugin = args[0]\r
-            section = args[1]\r
-            key = args[2]\r
-        if self.configs.has_key(plugin):\r
-            config = self.configs[plugin]\r
-            return config[section][key].as_bool('value')\r
-        return None\r
-\r
-    def GetColorFromConfig(self, *args):\r
-        if len(args) == 2:\r
-            plugin = args[0]\r
-            section = args[0]\r
-            key = args[1]\r
-        elif len(args) == 3:\r
-            plugin = args[0]\r
-            section = args[1]\r
-            key = args[2]\r
-        if self.configs.has_key(plugin):\r
-            config = self.configs[plugin]\r
-            color_tuple = eval(config[section][key]['value'])\r
-            color = [value / 255.0 for value in color_tuple]\r
-            return color\r
-        return None\r
-\r
-    def GetFloatFromConfig(self, *args):\r
-        if len(args) == 2:\r
-            plugin = args[0]\r
-            section = args[0]\r
-            key = args[1]\r
-        elif len(args) == 3:\r
-            plugin = args[0]\r
-            section = args[1]\r
-            key = args[2]\r
-        if self.configs.has_key(plugin):\r
-            config = self.configs[plugin]\r
-            return config[section][key].as_float('value')\r
-        return None\r
-\r
-    def GetIntFromConfig(self, *args):\r
-        if len(args) == 2:\r
-            plugin = args[0]\r
-            section = args[0]\r
-            key = args[1]\r
-        elif len(args) == 3:\r
-            plugin = args[0]\r
-            section = args[1]\r
-            key = args[2]\r
-        if self.configs.has_key(plugin):\r
-            config = self.configs[plugin]\r
-            return config[section][key].as_int('value')\r
-        return None\r
-\r
-    def GetStringFromConfig(self, *args):\r
-        if len(args) == 2:\r
-            plugin = args[0]\r
-            section = args[0]\r
-            key = args[1]\r
-        elif len(args) == 3:\r
-            plugin = args[0]\r
-            section = args[1]\r
-            key = args[2]\r
-        if self.configs.has_key(plugin):\r
-            config = self.configs[plugin]\r
-            return config[section][key]['value']\r
-        return None\r
-\r
-    def GetPlotmanipulator(self, name):\r
-        '''\r
-        Returns a plot manipulator function from its name\r
-        '''\r
-        for plotmanipulator in self.plotmanipulators:\r
-            if plotmanipulator.name == name:\r
-                return plotmanipulator\r
-        return None\r
-\r
-    def GetPerspectiveMenuItem(self, name):\r
-        if self._perspectives.has_key(name):\r
-            perspectives_list = [key for key, value in self._perspectives.iteritems()]\r
-            perspectives_list.sort()\r
-            index = perspectives_list.index(name)\r
-            perspective_Id = ID_FirstPerspective + index\r
-            menu_item = self.MenuBar.FindItemById(perspective_Id)\r
-            return menu_item\r
-        else:\r
-            return None\r
-\r
-    def HasPlotmanipulator(self, name):\r
-        '''\r
-        returns True if the plotmanipulator 'name' is loaded, False otherwise\r
-        '''\r
-        for plotmanipulator in self.plotmanipulators:\r
-            if plotmanipulator.command == name:\r
-                return True\r
-        return False\r
-\r
-    def OnAbout(self, event):\r
-        message = 'Hooke\n\n'+\\r
-            'A free, open source data analysis platform\n\n'+\\r
-            'Copyright 2006-2008 by Massimo Sandal\n'+\\r
-            'Copyright 2010 by Dr. Rolf Schmidt\n\n'+\\r
-            'Hooke is released under the GNU General Public License version 2.'\r
-        dialog = wx.MessageDialog(self, message, 'About Hooke', wx.OK | wx.ICON_INFORMATION)\r
-        dialog.ShowModal()\r
-        dialog.Destroy()\r
-\r
-    def OnClose(self, event):\r
-        #apply changes\r
-        self.config['main']['height'] = str(self.GetSize().GetHeight())\r
-        self.config['main']['left'] = str(self.GetPosition()[0])\r
-        self.config['main']['top'] = str(self.GetPosition()[1])\r
-        self.config['main']['width'] = str(self.GetSize().GetWidth())\r
-        #save the configuration file to 'config/hooke.ini'\r
-        self.config.write()\r
-        #save all plugin config files\r
-        for config in self.configs:\r
-            plugin_config = self.configs[config]\r
-            plugin_config.write()\r
-        self._UnbindEvents()\r
-        self._mgr.UnInit()\r
-        del self._mgr\r
-        self.Destroy()\r
-\r
-    def OnDeletePerspective(self, event):\r
-        dialog = panels.perspectives.Perspectives(self, -1, 'Delete perspective(s)')\r
-        dialog.CenterOnScreen()\r
-        dialog.ShowModal()\r
-        dialog.Destroy()\r
-        self.UpdatePerspectivesMenu()\r
-        #unfortunately, there is a bug in wxWidgets (Ticket #3258) that\r
-        #makes the radio item indicator in the menu disappear\r
-        #the code should be fine once this issue is fixed\r
-\r
-    def OnDirCtrlLeftDclick(self, event):\r
-        file_path = self.panelFolders.GetPath()\r
-        if os.path.isfile(file_path):\r
-            if file_path.endswith('.hkp'):\r
-                self.do_loadlist(file_path)\r
-        event.Skip()\r
-\r
-    def OnEraseBackground(self, event):\r
-        event.Skip()\r
-\r
-    def OnExecute(self, event):\r
-        item = self.panelCommands.CommandsTree.GetSelection()\r
-        if item.IsOk():\r
-            if not self.panelCommands.CommandsTree.ItemHasChildren(item):\r
-                item_text = self.panelCommands.CommandsTree.GetItemText(item)\r
-                command = ''.join(['self.do_', item_text, '()'])\r
-                #self.AppendToOutput(command + '\n')\r
-                exec(command)\r
-\r
-    def OnExit(self, event):\r
-        self.Close()\r
-\r
-    def OnNext(self, event):\r
-        '''\r
-        NEXT\r
-        Go to the next curve in the playlist.\r
-        If we are at the last curve, we come back to the first.\r
-        -----\r
-        Syntax: next, n\r
-        '''\r
-        selected_item = self.panelPlaylists.PlaylistsTree.GetSelection()\r
-        if self.panelPlaylists.PlaylistsTree.ItemHasChildren(selected_item):\r
-            #GetFirstChild returns a tuple\r
-            #we only need the first element\r
-            next_item = self.panelPlaylists.PlaylistsTree.GetFirstChild(selected_item)[0]\r
-        else:\r
-            next_item = self.panelPlaylists.PlaylistsTree.GetNextSibling(selected_item)\r
-            if not next_item.IsOk():\r
-                parent_item = self.panelPlaylists.PlaylistsTree.GetItemParent(selected_item)\r
-                #GetFirstChild returns a tuple\r
-                #we only need the first element\r
-                next_item = self.panelPlaylists.PlaylistsTree.GetFirstChild(parent_item)[0]\r
-        self.panelPlaylists.PlaylistsTree.SelectItem(next_item, True)\r
-        if not self.panelPlaylists.PlaylistsTree.ItemHasChildren(selected_item):\r
-            playlist = self.GetActivePlaylist()\r
-            if playlist.count > 1:\r
-                playlist.next()\r
-                self.statusbar.SetStatusText(playlist.get_status_string(), 0)\r
-                self.UpdateNote()\r
-                self.UpdatePlot()\r
-\r
-    def OnNotebookPageClose(self, event):\r
-        ctrl = event.GetEventObject()\r
-        playlist_name = ctrl.GetPageText(ctrl._curpage)\r
-        self.DeleteFromPlaylists(playlist_name)\r
-\r
-    def OnPaneClose(self, event):\r
-        event.Skip()\r
-\r
-    def OnPlaylistsLeftDclick(self, event):\r
-        if self.panelPlaylists.PlaylistsTree.Count > 0:\r
-            playlist_name = self.GetActivePlaylistName()\r
-            #if that playlist already exists\r
-            #we check if it is the active playlist (ie selected in panelPlaylists)\r
-            #and switch to it if necessary\r
-            if playlist_name in self.playlists:\r
-                index = self.plotNotebook.GetSelection()\r
-                current_playlist = self.plotNotebook.GetPageText(index)\r
-                if current_playlist != playlist_name:\r
-                    index = self._GetPlaylistTab(playlist_name)\r
-                    self.plotNotebook.SetSelection(index)\r
-                #if a curve was double-clicked\r
-                item = self.panelPlaylists.PlaylistsTree.GetSelection()\r
-                if not self.panelPlaylists.PlaylistsTree.ItemHasChildren(item):\r
-                    index = self._GetActiveFileIndex()\r
-                else:\r
-                    index = 0\r
-                if index >= 0:\r
-                    playlist = self.GetActivePlaylist()\r
-                    playlist.index = index\r
-                    self.statusbar.SetStatusText(playlist.get_status_string(), 0)\r
-                    self.UpdateNote()\r
-                    self.UpdatePlot()\r
-            #if you uncomment the following line, the tree will collapse/expand as well\r
-            #event.Skip()\r
-\r
-    def OnPlaylistsLeftDown(self, event):\r
-        hit_item, hit_flags = self.panelPlaylists.PlaylistsTree.HitTest(event.GetPosition())\r
-        if (hit_flags & wx.TREE_HITTEST_ONITEM) != 0:\r
-            self.panelPlaylists.PlaylistsTree.SelectItem(hit_item)\r
-            playlist_name = self.GetActivePlaylistName()\r
-            playlist = self.GetActivePlaylist()\r
-            #if a curve was clicked\r
-            item = self.panelPlaylists.PlaylistsTree.GetSelection()\r
-            if not self.panelPlaylists.PlaylistsTree.ItemHasChildren(item):\r
-                index = self._GetActiveFileIndex()\r
-                if index >= 0:\r
-                    playlist.index = index\r
-            self.playlists[playlist_name] = playlist\r
-        event.Skip()\r
-\r
-    def OnPrevious(self, event):\r
-        '''\r
-        PREVIOUS\r
-        Go to the previous curve in the playlist.\r
-        If we are at the first curve, we jump to the last.\r
-        -------\r
-        Syntax: previous, p\r
-        '''\r
-        #playlist = self.playlists[self.GetActivePlaylistName()][0]\r
-        #select the previous curve and tell the user if we wrapped around\r
-        #self.AppendToOutput(playlist.previous())\r
-        selected_item = self.panelPlaylists.PlaylistsTree.GetSelection()\r
-        if self.panelPlaylists.PlaylistsTree.ItemHasChildren(selected_item):\r
-            previous_item = self.panelPlaylists.PlaylistsTree.GetLastChild(selected_item)\r
-        else:\r
-            previous_item = self.panelPlaylists.PlaylistsTree.GetPrevSibling(selected_item)\r
-            if not previous_item.IsOk():\r
-                parent_item = self.panelPlaylists.PlaylistsTree.GetItemParent(selected_item)\r
-                previous_item = self.panelPlaylists.PlaylistsTree.GetLastChild(parent_item)\r
-        self.panelPlaylists.PlaylistsTree.SelectItem(previous_item, True)\r
-        playlist = self.GetActivePlaylist()\r
-        if playlist.count > 1:\r
-            playlist.previous()\r
-            self.statusbar.SetStatusText(playlist.get_status_string(), 0)\r
-            self.UpdateNote()\r
-            self.UpdatePlot()\r
-\r
-    def OnPropGridChanged (self, event):\r
-        prop = event.GetProperty()\r
-        if prop:\r
-            item_section = self.panelProperties.SelectedTreeItem\r
-            item_plugin = self.panelCommands.CommandsTree.GetItemParent(item_section)\r
-            plugin = self.panelCommands.CommandsTree.GetItemText(item_plugin)\r
-            config = self.configs[plugin]\r
-            property_section = self.panelCommands.CommandsTree.GetItemText(item_section)\r
-            property_key = prop.GetName()\r
-            property_value = prop.GetDisplayedString()\r
-\r
-            config[property_section][property_key]['value'] = property_value\r
-\r
-    def OnRestorePerspective(self, event):\r
-        name = self.MenuBar.FindItemById(event.GetId()).GetLabel()\r
-        self._RestorePerspective(name)\r
-\r
-    def OnResultsCheck(self, index, flag):\r
-        results = self.GetActivePlot().results\r
-        if results.has_key(self.results_str):\r
-            results[self.results_str].results[index].visible = flag\r
-            results[self.results_str].update()\r
-            self.UpdatePlot()\r
-\r
-    def OnSavePerspective(self, event):\r
-\r
-        def nameExists(name):\r
-            menu_position = self.MenuBar.FindMenu('Perspectives')\r
-            menu = self.MenuBar.GetMenu(menu_position)\r
-            for item in menu.GetMenuItems():\r
-                if item.GetText() == name:\r
-                    return True\r
-            return False\r
-\r
-        done = False\r
-        while not done:\r
-            dialog = wx.TextEntryDialog(self, 'Enter a name for the new perspective:', 'Save perspective')\r
-            dialog.SetValue('New perspective')\r
-            if dialog.ShowModal() != wx.ID_OK:\r
-                return\r
-            else:\r
-                name = dialog.GetValue()\r
-\r
-            if nameExists(name):\r
-                dialogConfirm = wx.MessageDialog(self, 'A file with this name already exists.\n\nDo you want to replace it?', 'Confirm', wx.YES_NO|wx.ICON_QUESTION|wx.CENTER)\r
-                if dialogConfirm.ShowModal() == wx.ID_YES:\r
-                    done = True\r
-            else:\r
-                done = True\r
-\r
-        perspective = self._mgr.SavePerspective()\r
-        self._SavePerspectiveToFile(name, perspective)\r
-        self.config['perspectives']['active'] = name\r
-        self.UpdatePerspectivesMenu()\r
-#        if nameExists(name):\r
-#            #check the corresponding menu item\r
-#            menu_item = self.GetPerspectiveMenuItem(name)\r
-#            #replace the perspectiveStr in _pespectives\r
-#            self._perspectives[name] = perspective\r
-#        else:\r
-#            #because we deal with radio items, we need to do some extra work\r
-#            #delete all menu items from the perspectives menu\r
-#            for item in self._perspectives_menu.GetMenuItems():\r
-#                self._perspectives_menu.DeleteItem(item)\r
-#            #recreate the perspectives menu\r
-#            self._perspectives_menu.Append(ID_SavePerspective, 'Save Perspective')\r
-#            self._perspectives_menu.Append(ID_DeletePerspective, 'Delete Perspective')\r
-#            self._perspectives_menu.AppendSeparator()\r
-#            #convert the perspectives dictionary into a list\r
-#            # the list contains:\r
-#            #[0]: name of the perspective\r
-#            #[1]: perspective\r
-#            perspectives_list = [key for key, value in self._perspectives.iteritems()]\r
-#            perspectives_list.append(name)\r
-#            perspectives_list.sort()\r
-#            #add all previous perspectives\r
-#            for index, item in enumerate(perspectives_list):\r
-#                menu_item = self._perspectives_menu.AppendRadioItem(ID_FirstPerspective + index, item)\r
-#                if item == name:\r
-#                    menu_item.Check()\r
-#            #add the new perspective to _perspectives\r
-#            self._perspectives[name] = perspective\r
-\r
-    def OnSize(self, event):\r
-        event.Skip()\r
-\r
-    def OnTreeCtrlCommandsSelectionChanged(self, event):\r
-        selected_item = event.GetItem()\r
-        if selected_item is not None:\r
-            plugin = ''\r
-            section = ''\r
-            #deregister/register the listener to avoid infinite loop\r
-            evtmgr.eventManager.DeregisterListener(self.OnTreeCtrlCommandsSelectionChanged)\r
-            self.panelCommands.CommandsTree.SelectItem(selected_item)\r
-            evtmgr.eventManager.Register(self.OnTreeCtrlCommandsSelectionChanged, wx.EVT_TREE_SEL_CHANGED, self.panelCommands.CommandsTree)\r
-            self.panelProperties.SelectedTreeItem = selected_item\r
-            #if a command was clicked\r
-            properties = []\r
-            if not self.panelCommands.CommandsTree.ItemHasChildren(selected_item):\r
-                item_plugin = self.panelCommands.CommandsTree.GetItemParent(selected_item)\r
-                plugin = self.panelCommands.CommandsTree.GetItemText(item_plugin)\r
-                if self.configs.has_key(plugin):\r
-                    #config = self.panelCommands.CommandsTree.GetPyData(item_plugin)\r
-                    config = self.configs[plugin]\r
-                    section = self.panelCommands.CommandsTree.GetItemText(selected_item)\r
-                    #display docstring in help window\r
-                    doc_string = eval('self.do_' + section + '.__doc__')\r
-                    if section in config:\r
-                        for option in config[section]:\r
-                            properties.append([option, config[section][option]])\r
-            else:\r
-                plugin = self.panelCommands.CommandsTree.GetItemText(selected_item)\r
-                if plugin != 'core':\r
-                    doc_string = eval('plugins.' + plugin + '.' + plugin + 'Commands.__doc__')\r
-                else:\r
-                    doc_string = 'The module "core" contains Hooke core functionality'\r
-            if doc_string is not None:\r
-                self.panelAssistant.ChangeValue(doc_string)\r
-            else:\r
-                self.panelAssistant.ChangeValue('')\r
-            panels.propertyeditor.PropertyEditor.Initialize(self.panelProperties, properties)\r
-            #save the currently selected command/plugin to the config file\r
-            self.config['command']['command'] = section\r
-            self.config['command']['plugin'] = plugin\r
-\r
-    def OnTreeCtrlItemActivated(self, event):\r
-        self.OnExecute(event)\r
-\r
-    def OnUpdateNote(self, event):\r
-        '''\r
-        Saves the note to the active file.\r
-        '''\r
-        active_file = self.GetActiveFile()\r
-        active_file.note = self.panelNote.Editor.GetValue()\r
-\r
-    def OnView(self, event):\r
-        menu_id = event.GetId()\r
-        menu_item = self.MenuBar.FindItemById(menu_id)\r
-        menu_label = menu_item.GetLabel()\r
-\r
-        pane = self._mgr.GetPane(menu_label)\r
-        pane.Show(not pane.IsShown())\r
-        #if we don't do the following, the Folders pane does not resize properly on hide/show\r
-        if pane.caption == 'Folders' and pane.IsShown() and pane.IsDocked():\r
-            #folders_size = pane.GetSize()\r
-            self.panelFolders.Fit()\r
-        self._mgr.Update()\r
-\r
-    def _clickize(self, xvector, yvector, index):\r
-        '''\r
-        Returns a ClickedPoint() object from an index and vectors of x, y coordinates\r
-        '''\r
-        point = lib.clickedpoint.ClickedPoint()\r
-        point.index = index\r
-        point.absolute_coords = xvector[index], yvector[index]\r
-        point.find_graph_coords(xvector, yvector)\r
-        return point\r
-\r
-    def _delta(self, message='Click 2 points', whatset=lh.RETRACTION):\r
-        '''\r
-        Calculates the difference between two clicked points\r
-        '''\r
-        clicked_points = self._measure_N_points(N=2, message=message, whatset=whatset)\r
-\r
-        plot = self.GetDisplayedPlotCorrected()\r
-        curve = plot.curves[whatset]\r
-\r
-        delta = lib.delta.Delta()\r
-        delta.point1.x = clicked_points[0].graph_coords[0]\r
-        delta.point1.y = clicked_points[0].graph_coords[1]\r
-        delta.point2.x = clicked_points[1].graph_coords[0]\r
-        delta.point2.y = clicked_points[1].graph_coords[1]\r
-        delta.units.x = curve.units.x\r
-        delta.units.y = curve.units.y\r
-\r
-        return delta\r
-\r
-    def _measure_N_points(self, N, message='', whatset=lh.RETRACTION):\r
-        '''\r
-        General helper function for N-points measurements\r
-        By default, measurements are done on the retraction\r
-        '''\r
-        if message:\r
-            dialog = wx.MessageDialog(None, message, 'Info', wx.OK)\r
-            dialog.ShowModal()\r
-\r
-        figure = self.GetActiveFigure()\r
-\r
-        xvector = self.displayed_plot.curves[whatset].x\r
-        yvector = self.displayed_plot.curves[whatset].y\r
-\r
-        clicked_points = figure.ginput(N, timeout=-1, show_clicks=True)\r
-\r
-        points = []\r
-        for clicked_point in clicked_points:\r
-            point = lib.clickedpoint.ClickedPoint()\r
-            point.absolute_coords = clicked_point[0], clicked_point[1]\r
-            point.dest = 0\r
-            #TODO: make this optional?\r
-            #so far, the clicked point is taken, not the corresponding data point\r
-            point.find_graph_coords(xvector, yvector)\r
-            point.is_line_edge = True\r
-            point.is_marker = True\r
-            points.append(point)\r
-        return points\r
-\r
-    def do_copylog(self):\r
-        '''\r
-        Copies all files in the current playlist that have a note to the destination folder.\r
-        destination: select folder where you want the files to be copied\r
-        use_LVDT_folder: when checked, the files will be copied to a folder called 'LVDT' in the destination folder (for MFP-1D files only)\r
-        '''\r
-        playlist = self.GetActivePlaylist()\r
-        if playlist is not None:\r
-            destination = self.GetStringFromConfig('core', 'copylog', 'destination')\r
-            if not os.path.isdir(destination):\r
-                os.makedirs(destination)\r
-            for current_file in playlist.files:\r
-                if current_file.note:\r
-                    shutil.copy(current_file.filename, destination)\r
-                    if current_file.driver.filetype == 'mfp1d':\r
-                        filename = current_file.filename.replace('deflection', 'LVDT', 1)\r
-                        path, name = os.path.split(filename)\r
-                        filename = os.path.join(path, 'lvdt', name)\r
-                        use_LVDT_folder = self.GetBoolFromConfig('core', 'copylog', 'use_LVDT_folder')\r
-                        if use_LVDT_folder:\r
-                            destination = os.path.join(destination, 'LVDT')\r
-                        shutil.copy(filename, destination)\r
-\r
-    def do_plotmanipulators(self):\r
-        '''\r
-        Please select the plotmanipulators you would like to use\r
-        and define the order in which they will be applied to the data.\r
-\r
-        Click 'Execute' to apply your changes.\r
-        '''\r
-        self.UpdatePlot()\r
-\r
-    def do_preferences(self):\r
-        '''\r
-        Please set general preferences for Hooke here.\r
-        hide_curve_extension: hides the extension of the force curve files.\r
-                              not recommended for 'picoforce' files\r
-        '''\r
-        pass\r
-\r
-    def do_test(self):\r
-        '''\r
-        Use this command for testing purposes. You find do_test in hooke.py.\r
-        '''\r
-        pass\r
-\r
-    def do_version(self):\r
-        '''\r
-        VERSION\r
-        ------\r
-        Prints the current version and codename, plus library version. Useful for debugging.\r
-        '''\r
-        self.AppendToOutput('Hooke ' + __version__ + ' (' + __codename__ + ')')\r
-        self.AppendToOutput('Released on: ' + __releasedate__)\r
-        self.AppendToOutput('---')\r
-        self.AppendToOutput('Python version: ' + python_version)\r
-        self.AppendToOutput('WxPython version: ' + wx_version)\r
-        self.AppendToOutput('Matplotlib version: ' + mpl_version)\r
-        self.AppendToOutput('SciPy version: ' + scipy_version)\r
-        self.AppendToOutput('NumPy version: ' + numpy_version)\r
-        self.AppendToOutput('ConfigObj version: ' + configobj_version)\r
-        self.AppendToOutput('wxPropertyGrid version: ' + '.'.join([str(PROPGRID_MAJOR), str(PROPGRID_MINOR), str(PROPGRID_RELEASE)]))\r
-        self.AppendToOutput('---')\r
-        self.AppendToOutput('Platform: ' + str(platform.uname()))\r
-        self.AppendToOutput('******************************')\r
-        self.AppendToOutput('Loaded plugins')\r
-        self.AppendToOutput('---')\r
-\r
-        #sort the plugins into alphabetical order\r
-        plugins_list = [key for key, value in self.plugins.iteritems()]\r
-        plugins_list.sort()\r
-        for plugin in plugins_list:\r
-            self.AppendToOutput(plugin)\r
-\r
-    def UpdateNote(self):\r
-        #update the note for the active file\r
-        active_file = self.GetActiveFile()\r
-        if active_file is not None:\r
-            self.panelNote.Editor.SetValue(active_file.note)\r
-\r
-    def UpdatePerspectivesMenu(self):\r
-        #add perspectives to menubar and _perspectives\r
-        perspectivesDirectory = os.path.join(lh.hookeDir, 'perspectives')\r
-        self._perspectives = {}\r
-        if os.path.isdir(perspectivesDirectory):\r
-            perspectiveFileNames = os.listdir(perspectivesDirectory)\r
-            for perspectiveFilename in perspectiveFileNames:\r
-                filename = lh.get_file_path(perspectiveFilename, ['perspectives'])\r
-                if os.path.isfile(filename):\r
-                    perspectiveFile = open(filename, 'rU')\r
-                    perspective = perspectiveFile.readline()\r
-                    perspectiveFile.close()\r
-                    if perspective:\r
-                        name, extension = os.path.splitext(perspectiveFilename)\r
-                        if extension == '.txt':\r
-                            self._perspectives[name] = perspective\r
-\r
-        #in case there are no perspectives\r
-        if not self._perspectives:\r
-            perspective = self._mgr.SavePerspective()\r
-            self._perspectives['Default'] = perspective\r
-            self._SavePerspectiveToFile('Default', perspective)\r
-\r
-        selected_perspective = self.config['perspectives']['active']\r
-        if not self._perspectives.has_key(selected_perspective):\r
-            self.config['perspectives']['active'] = 'Default'\r
-            selected_perspective = 'Default'\r
-\r
-        perspectives_list = [key for key, value in self._perspectives.iteritems()]\r
-        perspectives_list.sort()\r
-\r
-        #get the Perspectives menu\r
-        menu_position = self.MenuBar.FindMenu('Perspectives')\r
-        menu = self.MenuBar.GetMenu(menu_position)\r
-        #delete all menu items\r
-        for item in menu.GetMenuItems():\r
-            menu.DeleteItem(item)\r
-        #rebuild the menu by adding the standard menu items\r
-        menu.Append(ID_SavePerspective, 'Save Perspective')\r
-        menu.Append(ID_DeletePerspective, 'Delete Perspective')\r
-        menu.AppendSeparator()\r
-        #add all previous perspectives\r
-        for index, label in enumerate(perspectives_list):\r
-            menu_item = menu.AppendRadioItem(ID_FirstPerspective + index, label)\r
-            if label == selected_perspective:\r
-                self._RestorePerspective(label)\r
-                menu_item.Check(True)\r
-\r
-    def UpdatePlaylistsTreeSelection(self):\r
-        playlist = self.GetActivePlaylist()\r
-        if playlist is not None:\r
-            if playlist.index >= 0:\r
-                self.statusbar.SetStatusText(playlist.get_status_string(), 0)\r
-                self.UpdateNote()\r
-                self.UpdatePlot()\r
-\r
-    def UpdatePlot(self, plot=None):\r
-\r
-        def add_to_plot(curve, set_scale=True):\r
-            if curve.visible and curve.x and curve.y:\r
-                #get the index of the subplot to use as destination\r
-                destination = (curve.destination.column - 1) * number_of_rows + curve.destination.row - 1\r
-                #set all parameters for the plot\r
-                axes_list[destination].set_title(curve.title)\r
-                if set_scale:\r
-                    axes_list[destination].set_xlabel(curve.prefix.x + curve.units.x)\r
-                    axes_list[destination].set_ylabel(curve.prefix.y + curve.units.y)\r
-                    #set the formatting details for the scale\r
-                    formatter_x = lib.curve.PrefixFormatter(curve.decimals.x, curve.prefix.x, use_zero)\r
-                    formatter_y = lib.curve.PrefixFormatter(curve.decimals.y, curve.prefix.y, use_zero)\r
-                    axes_list[destination].xaxis.set_major_formatter(formatter_x)\r
-                    axes_list[destination].yaxis.set_major_formatter(formatter_y)\r
-                if curve.style == 'plot':\r
-                    axes_list[destination].plot(curve.x, curve.y, color=curve.color, label=curve.label, lw=curve.linewidth, zorder=1)\r
-                if curve.style == 'scatter':\r
-                    axes_list[destination].scatter(curve.x, curve.y, color=curve.color, label=curve.label, s=curve.size, zorder=2)\r
-                #add the legend if necessary\r
-                if curve.legend:\r
-                    axes_list[destination].legend()\r
-\r
-        if plot is None:\r
-            active_file = self.GetActiveFile()\r
-            if not active_file.driver:\r
-                #the first time we identify a file, the following need to be set\r
-                active_file.identify(self.drivers)\r
-                for curve in active_file.plot.curves:\r
-                    curve.decimals.x = self.GetIntFromConfig('core', 'preferences', 'x_decimals')\r
-                    curve.decimals.y = self.GetIntFromConfig('core', 'preferences', 'y_decimals')\r
-                    curve.legend = self.GetBoolFromConfig('core', 'preferences', 'legend')\r
-                    curve.prefix.x = self.GetStringFromConfig('core', 'preferences', 'x_prefix')\r
-                    curve.prefix.y = self.GetStringFromConfig('core', 'preferences', 'y_prefix')\r
-            if active_file.driver is None:\r
-                self.AppendToOutput('Invalid file: ' + active_file.filename)\r
-                return\r
-            self.displayed_plot = copy.deepcopy(active_file.plot)\r
-            #add raw curves to plot\r
-            self.displayed_plot.raw_curves = copy.deepcopy(self.displayed_plot.curves)\r
-            #apply all active plotmanipulators\r
-            self.displayed_plot = self.ApplyPlotmanipulators(self.displayed_plot, active_file)\r
-            #add corrected curves to plot\r
-            self.displayed_plot.corrected_curves = copy.deepcopy(self.displayed_plot.curves)\r
-        else:\r
-            active_file = None\r
-            self.displayed_plot = copy.deepcopy(plot)\r
-\r
-        figure = self.GetActiveFigure()\r
-        figure.clear()\r
-\r
-        #use '0' instead of e.g. '0.00' for scales\r
-        use_zero = self.GetBoolFromConfig('core', 'preferences', 'use_zero')\r
-        #optionally remove the extension from the title of the plot\r
-        hide_curve_extension = self.GetBoolFromConfig('core', 'preferences', 'hide_curve_extension')\r
-        if hide_curve_extension:\r
-            title = lh.remove_extension(self.displayed_plot.title)\r
-        else:\r
-            title = self.displayed_plot.title\r
-        figure.suptitle(title, fontsize=14)\r
-        #create the list of all axes necessary (rows and columns)\r
-        axes_list =[]\r
-        number_of_columns = max([curve.destination.column for curve in self.displayed_plot.curves])\r
-        number_of_rows = max([curve.destination.row for curve in self.displayed_plot.curves])\r
-        for index in range(number_of_rows * number_of_columns):\r
-            axes_list.append(figure.add_subplot(number_of_rows, number_of_columns, index + 1))\r
-\r
-        #add all curves to the corresponding plots\r
-        for curve in self.displayed_plot.curves:\r
-            add_to_plot(curve)\r
-\r
-        #make sure the titles of 'subplots' do not overlap with the axis labels of the 'main plot'\r
-        figure.subplots_adjust(hspace=0.3)\r
-\r
-        #display results\r
-        self.panelResults.ClearResults()\r
-        if self.displayed_plot.results.has_key(self.results_str):\r
-            for curve in self.displayed_plot.results[self.results_str].results:\r
-                add_to_plot(curve, set_scale=False)\r
-            self.panelResults.DisplayResults(self.displayed_plot.results[self.results_str])\r
-        else:\r
-            self.panelResults.ClearResults()\r
-        #refresh the plot\r
-        figure.canvas.draw()\r
-\r
-if __name__ == '__main__':\r
-\r
-    ## now, silence a deprecation warning for py2.3\r
-    import warnings\r
-    warnings.filterwarnings("ignore", "integer", DeprecationWarning, "wxPython.gdi")\r
-\r
-    redirect = True\r
-    if __debug__:\r
-        redirect=False\r
-\r
-    app = Hooke(redirect=redirect)\r
-\r
-    app.MainLoop()\r
-\r
-from ..command import CommandExit, Exit, Command, Argument, StoreValue\r
-from ..interaction import Request, BooleanRequest, ReloadUserInterfaceConfig\r
-from ..ui import UserInterface, CommandMessage\r
-from ..util.encoding import get_input_encoding, get_output_encoding\r
-\r
-\r
-class GUI (UserInterface):\r
-    """wxWindows graphical user interface.\r
-    """\r
-    def __init__(self):\r
-        super(GUI, self).__init__(name='gui')\r
-\r
-    def default_settings(self):\r
-        """Return a list of :class:`hooke.config.Setting`\s for any\r
-        configurable UI settings.\r
-\r
-        The suggested section setting is::\r
-\r
-            Setting(section=self.setting_section, help=self.__doc__)\r
-        """\r
-        return []\r
-\r
-    def reload_config(self):\r
-        pass\r
-\r
-    def run(self, commands, ui_to_command_queue, command_to_ui_queue):\r
-        self._initialize()\r
-        cmd = self._cmd(commands, ui_to_command_queue, command_to_ui_queue)\r
-        cmd.cmdloop(self._splash_text())\r
-\r
-    def run_lines(self, commands, ui_to_command_queue, command_to_ui_queue,\r
-                  lines):\r
-        raise NotImplementedError(\r
-            'Use the command line interface for run_lines()')\r
+# Copyright (C) 2008-2010 Fabrizio Benedetti
+#                         Massimo Sandal <devicerandom@gmail.com>
+#                         Rolf Schmidt <rschmidt@alcor.concordia.ca>
+#                         W. Trevor King <wking@drexel.edu>
+#
+# This file is part of Hooke.
+#
+# Hooke is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# Hooke is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
+# Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with Hooke.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+"""Defines :class:`GUI` providing a wxWidgets interface to Hooke.
+
+"""
+
+WX_GOOD=['2.8']
+
+import wxversion
+wxversion.select(WX_GOOD)
+
+import copy
+import logging
+import os
+import os.path
+import platform
+import shutil
+import time
+
+import wx.html
+import wx.aui as aui
+import wx.lib.evtmgr as evtmgr
+# wxPropertyGrid is included in wxPython >= 2.9.1, see
+#   http://wxpropgrid.sourceforge.net/cgi-bin/index?page=download
+# until then, we'll avoid it because of the *nix build problems.
+#import wx.propgrid as wxpg
+
+from ...command import CommandExit, Exit, Success, Failure, Command, Argument
+from ...config import Setting
+from ...engine import CommandMessage
+from ...interaction import Request, BooleanRequest, ReloadUserInterfaceConfig
+from ...ui import UserInterface
+from .dialog.selection import Selection as SelectionDialog
+from .dialog.save_file import select_save_file
+from . import menu as menu
+from . import navbar as navbar
+from . import panel as panel
+from .panel.propertyeditor import props_from_argument, props_from_setting
+from . import statusbar as statusbar
+
+
+class HookeFrame (wx.Frame):
+    """The main Hooke-interface window.    
+    """
+    def __init__(self, gui, commands, inqueue, outqueue, *args, **kwargs):
+        super(HookeFrame, self).__init__(*args, **kwargs)
+        self.log = logging.getLogger('hooke')
+        self.gui = gui
+        self.commands = commands
+        self.inqueue = inqueue
+        self.outqueue = outqueue
+        self._perspectives = {}  # {name: perspective_str}
+        self._c = {}
+
+        self.SetIcon(wx.Icon(self.gui.config['icon image'], wx.BITMAP_TYPE_ICO))
+
+        # setup frame manager
+        self._c['manager'] = aui.AuiManager()
+        self._c['manager'].SetManagedWindow(self)
+
+        # set the gradient and drag styles
+        self._c['manager'].GetArtProvider().SetMetric(
+            aui.AUI_DOCKART_GRADIENT_TYPE, aui.AUI_GRADIENT_NONE)
+        self._c['manager'].SetFlags(
+            self._c['manager'].GetFlags() ^ aui.AUI_MGR_TRANSPARENT_DRAG)
+
+        # Min size for the frame itself isn't completely done.  See
+        # the end of FrameManager::Update() for the test code. For
+        # now, just hard code a frame minimum size.
+        #self.SetMinSize(wx.Size(500, 500))
+
+        self._setup_panels()
+        self._setup_toolbars()
+        self._c['manager'].Update()  # commit pending changes
+
+        # Create the menubar after the panes so that the default
+        # perspective is created with all panes open
+        panels = [p for p in self._c.values() if isinstance(p, panel.Panel)]
+        self._c['menu bar'] = menu.HookeMenuBar(
+            parent=self,
+            panels=panels,
+            callbacks={
+                'close': self._on_close,
+                'about': self._on_about,
+                'view_panel': self._on_panel_visibility,
+                'save_perspective': self._on_save_perspective,
+                'delete_perspective': self._on_delete_perspective,
+                'select_perspective': self._on_select_perspective,
+                })
+        self.SetMenuBar(self._c['menu bar'])
+
+        self._c['status bar'] = statusbar.StatusBar(
+            parent=self,
+            style=wx.ST_SIZEGRIP)
+        self.SetStatusBar(self._c['status bar'])
+
+        self._setup_perspectives()
+        self._bind_events()
+        return # TODO: cleanup
+        self._displayed_plot = None
+        #load default list, if possible
+        self.do_loadlist(self.GetStringFromConfig('core', 'preferences', 'playlists'))
+
+
+    # GUI maintenance
+
+    def _setup_panels(self):
+        client_size = self.GetClientSize()
+        for p,style in [
+#            ('folders', wx.GenericDirCtrl(
+#                    parent=self,
+#                    dir=self.gui.config['folders-workdir'],
+#                    size=(200, 250),
+#                    style=wx.DIRCTRL_SHOW_FILTERS,
+#                    filter=self.gui.config['folders-filters'],
+#                    defaultFilter=self.gui.config['folders-filter-index']), 'left'),
+            (panel.PANELS['playlist'](
+                    callbacks={
+                        'delete_playlist':self._on_user_delete_playlist,
+                        '_delete_playlist':self._on_delete_playlist,
+                        'delete_curve':self._on_user_delete_curve,
+                        '_delete_curve':self._on_delete_curve,
+                        '_on_set_selected_playlist':self._on_set_selected_playlist,
+                        '_on_set_selected_curve':self._on_set_selected_curve,
+                        },
+                    parent=self,
+                    style=wx.WANTS_CHARS|wx.NO_BORDER,
+                    # WANTS_CHARS so the panel doesn't eat the Return key.
+#                    size=(160, 200),
+                    ), 'left'),
+            (panel.PANELS['note'](
+                    callbacks = {
+                        '_on_update':self._on_update_note,
+                        },
+                    parent=self,
+                    style=wx.WANTS_CHARS|wx.NO_BORDER,
+#                    size=(160, 200),
+                    ), 'left'),
+#            ('notebook', Notebook(
+#                    parent=self,
+#                    pos=wx.Point(client_size.x, client_size.y),
+#                    size=wx.Size(430, 200),
+#                    style=aui.AUI_NB_DEFAULT_STYLE
+#                    | aui.AUI_NB_TAB_EXTERNAL_MOVE | wx.NO_BORDER), 'center'),
+            (panel.PANELS['commands'](
+                    commands=self.commands,
+                    selected=self.gui.config['selected command'],
+                    callbacks={
+                        'execute': self.execute_command,
+                        'select_plugin': self.select_plugin,
+                        'select_command': self.select_command,
+#                        'selection_changed': self.panelProperties.select(self, method, command),  #SelectedTreeItem = selected_item,
+                        },
+                    parent=self,
+                    style=wx.WANTS_CHARS|wx.NO_BORDER,
+                    # WANTS_CHARS so the panel doesn't eat the Return key.
+#                    size=(160, 200),
+                    ), 'right'),
+            (panel.PANELS['propertyeditor'](
+                    callbacks={},
+                    parent=self,
+                    style=wx.WANTS_CHARS,
+                    # WANTS_CHARS so the panel doesn't eat the Return key.
+                    ), 'center'),
+            (panel.PANELS['plot'](
+                    callbacks={
+                        '_set_status_text': self._on_plot_status_text,
+                        },
+                    parent=self,
+                    style=wx.WANTS_CHARS|wx.NO_BORDER,
+                    # WANTS_CHARS so the panel doesn't eat the Return key.
+#                    size=(160, 200),
+                    ), 'center'),
+            (panel.PANELS['output'](
+                    parent=self,
+                    pos=wx.Point(0, 0),
+                    size=wx.Size(150, 90),
+                    style=wx.TE_READONLY|wx.NO_BORDER|wx.TE_MULTILINE),
+             'bottom'),
+#            ('results', panel.results.Results(self), 'bottom'),
+            ]:
+            self._add_panel(p, style)
+        self.execute_command(  # setup already loaded playlists
+            command=self._command_by_name('playlists'))
+        self.execute_command(  # setup already loaded curve
+            command=self._command_by_name('get curve'))
+
+    def _add_panel(self, panel, style):
+        self._c[panel.name] = panel
+        m_name = panel.managed_name
+        info = aui.AuiPaneInfo().Name(m_name).Caption(m_name)
+        info.PaneBorder(False).CloseButton(True).MaximizeButton(False)
+        if style == 'top':
+            info.Top()
+        elif style == 'center':
+            info.CenterPane()
+        elif style == 'left':
+            info.Left()
+        elif style == 'right':
+            info.Right()
+        else:
+            assert style == 'bottom', style
+            info.Bottom()
+        self._c['manager'].AddPane(panel, info)
+
+    def _setup_toolbars(self):
+        self._c['navigation bar'] = navbar.NavBar(
+            callbacks={
+                'next': self._next_curve,
+                'previous': self._previous_curve,
+                },
+            parent=self,
+            style=wx.TB_FLAT | wx.TB_NODIVIDER)
+        self._c['manager'].AddPane(
+            self._c['navigation bar'],
+            aui.AuiPaneInfo().Name('Navigation').Caption('Navigation'
+                ).ToolbarPane().Top().Layer(1).Row(1).LeftDockable(False
+                ).RightDockable(False))
+
+    def _bind_events(self):
+        # TODO: figure out if we can use the eventManager for menu
+        # ranges and events of 'self' without raising an assertion
+        # fail error.
+        self.Bind(wx.EVT_ERASE_BACKGROUND, self._on_erase_background)
+        self.Bind(wx.EVT_SIZE, self._on_size)
+        self.Bind(wx.EVT_CLOSE, self._on_close)
+        self.Bind(aui.EVT_AUI_PANE_CLOSE, self.OnPaneClose)
+        self.Bind(aui.EVT_AUINOTEBOOK_PAGE_CLOSE, self._on_notebook_page_close)
+
+        return # TODO: cleanup
+        treeCtrl = self._c['folders'].GetTreeCtrl()
+        treeCtrl.Bind(wx.EVT_LEFT_DCLICK, self._on_dir_ctrl_left_double_click)
+        
+        #property editor
+        self.panelProperties.pg.Bind(wxpg.EVT_PG_CHANGED, self.OnPropGridChanged)
+        #results panel
+        self.panelResults.results_list.OnCheckItem = self.OnResultsCheck
+
+    def _on_about(self, *args):
+        dialog = wx.MessageDialog(
+            parent=self,
+            message=self.gui._splash_text(extra_info={
+                    'get-details':'click "Help -> License"'},
+                                          wrap=False),
+            caption='About Hooke',
+            style=wx.OK|wx.ICON_INFORMATION)
+        dialog.ShowModal()
+        dialog.Destroy()
+
+    def _on_close(self, *args):
+        self.log.info('closing GUI framework')
+        # apply changes
+        self.gui.config['main height'] = str(self.GetSize().GetHeight())
+        self.gui.config['main left'] = str(self.GetPosition()[0])
+        self.gui.config['main top'] = str(self.GetPosition()[1])
+        self.gui.config['main width'] = str(self.GetSize().GetWidth())
+        # push changes back to Hooke.config?
+        self._c['manager'].UnInit()
+        del self._c['manager']
+        self.Destroy()
+
+
+
+    # Panel utility functions
+
+    def _file_name(self, name):
+        """Cleanup names according to configured preferences.
+        """
+        if self.gui.config['hide extensions'] == True:
+            name,ext = os.path.splitext(name)
+        return name
+
+
+
+    # Command handling
+
+    def _command_by_name(self, name):
+        cs = [c for c in self.commands if c.name == name]
+        if len(cs) == 0:
+            raise KeyError(name)
+        elif len(cs) > 1:
+            raise Exception('Multiple commands named "%s"' % name)
+        return cs[0]
+
+    def execute_command(self, _class=None, method=None,
+                        command=None, args=None):
+        if args == None:
+            args = {}
+        if ('property editor' in self._c
+            and self.gui.config['selected command'] == command):
+            for name,value in self._c['property editor'].get_values().items():
+                arg = self._c['property editor']._argument_from_label.get(
+                    name, None)
+                if arg == None:
+                    continue
+                elif arg.count == 1:
+                    args[arg.name] = value
+                    continue
+                # deal with counted arguments
+                if arg.name not in args:
+                    args[arg.name] = {}
+                index = int(name[len(arg.name):])
+                args[arg.name][index] = value
+            for arg in command.arguments:
+                count = arg.count
+                if hasattr(arg, '_display_count'):  # support HACK in props_from_argument()
+                    count = arg._display_count
+                if count != 1 and arg.name in args:
+                    keys = sorted(args[arg.name].keys())
+                    assert keys == range(count), keys
+                    args[arg.name] = [args[arg.name][i]
+                                      for i in range(count)]
+                if arg.count == -1:
+                    while (len(args[arg.name]) > 0
+                           and args[arg.name][-1] == None):
+                        args[arg.name].pop()
+                    if len(args[arg.name]) == 0:
+                        args[arg.name] = arg.default
+        self.log.debug('executing %s with %s' % (command.name, args))
+        self.inqueue.put(CommandMessage(command, args))
+        results = []
+        while True:
+            msg = self.outqueue.get()
+            results.append(msg)
+            if isinstance(msg, Exit):
+                self._on_close()
+                break
+            elif isinstance(msg, CommandExit):
+                # TODO: display command complete
+                break
+            elif isinstance(msg, ReloadUserInterfaceConfig):
+                self.gui.reload_config(msg.config)
+                continue
+            elif isinstance(msg, Request):
+                h = handler.HANDLERS[msg.type]
+                h.run(self, msg)  # TODO: pause for response?
+                continue
+        pp = getattr(
+            self, '_postprocess_%s' % command.name.replace(' ', '_'),
+            self._postprocess_text)
+        pp(command=command, args=args, results=results)
+        return results
+
+    def _handle_request(self, msg):
+        """Repeatedly try to get a response to `msg`.
+        """
+        if prompt == None:
+            raise NotImplementedError('_%s_request_prompt' % msg.type)
+        prompt_string = prompt(msg)
+        parser = getattr(self, '_%s_request_parser' % msg.type, None)
+        if parser == None:
+            raise NotImplementedError('_%s_request_parser' % msg.type)
+        error = None
+        while True:
+            if error != None:
+                self.cmd.stdout.write(''.join([
+                        error.__class__.__name__, ': ', str(error), '\n']))
+            self.cmd.stdout.write(prompt_string)
+            value = parser(msg, self.cmd.stdin.readline())
+            try:
+                response = msg.response(value)
+                break
+            except ValueError, error:
+                continue
+        self.inqueue.put(response)
+
+
+
+    # Command-specific postprocessing
+
+    def _postprocess_text(self, command, args={}, results=[]):
+        """Print the string representation of the results to the Results window.
+
+        This is similar to :class:`~hooke.ui.commandline.DoCommand`'s
+        approach, except that :class:`~hooke.ui.commandline.DoCommand`
+        doesn't print some internally handled messages
+        (e.g. :class:`~hooke.interaction.ReloadUserInterfaceConfig`).
+        """
+        for result in results:
+            if isinstance(result, CommandExit):
+                self._c['output'].write(result.__class__.__name__+'\n')
+            self._c['output'].write(str(result).rstrip()+'\n')
+
+    def _postprocess_playlists(self, command, args={}, results=None):
+        """Update `self` to show the playlists.
+        """
+        if not isinstance(results[-1], Success):
+            self._postprocess_text(command, results=results)
+            return
+        assert len(results) == 2, results
+        playlists = results[0]
+        loaded_playlists = []  # TODO
+        if 'playlist' in self._c:
+            for playlist in playlists:
+                if playlist in loaded_playlists:
+                    self._c['playlist'].update_playlist(playlist)
+                else:
+                    self._c['playlist'].add_playlist(playlist)
+
+    def _postprocess_load_playlist(self, command, args={}, results=None):
+        """Update `self` to show the playlist.
+        """
+        if not isinstance(results[-1], Success):
+            self._postprocess_text(command, results=results)
+            return
+        assert len(results) == 2, results
+        playlist = results[0]
+        self._c['playlist'].add_playlist(playlist)
+
+    def _postprocess_get_playlist(self, command, args={}, results=[]):
+        if not isinstance(results[-1], Success):
+            self._postprocess_text(command, results=results)
+            return
+        assert len(results) == 2, results
+        playlist = results[0]
+        self._c['playlist'].update_playlist(playlist)
+
+    def _postprocess_get_curve(self, command, args={}, results=[]):
+        """Update `self` to show the curve.
+        """
+        if not isinstance(results[-1], Success):
+            self._postprocess_text(command, results=results)
+            return
+        assert len(results) == 2, results
+        curve = results[0]
+        if args.get('curve', None) == None:
+            # the command defaults to the current curve of the current playlist
+            results = self.execute_command(
+                command=self._command_by_name('get playlist'))
+            playlist = results[0]
+        else:
+            raise NotImplementedError()
+        if 'note' in self._c:
+            self._c['note'].set_text(curve.info['note'])
+        if 'playlist' in self._c:
+            self._c['playlist'].set_selected_curve(
+                playlist, curve)
+        if 'plot' in self._c:
+            self._c['plot'].set_curve(curve, config=self.gui.config)
+
+    def _postprocess_next_curve(self, command, args={}, results=[]):
+        """No-op.  Only call 'next curve' via `self._next_curve()`.
+        """
+        pass
+
+    def _postprocess_previous_curve(self, command, args={}, results=[]):
+        """No-op.  Only call 'previous curve' via `self._previous_curve()`.
+        """
+        pass
+
+    def _postprocess_zero_block_surface_contact_point(
+        self, command, args={}, results=[]):
+        """Update the curve, since the available columns may have changed.
+        """
+        if isinstance(results[-1], Success):
+            self.execute_command(
+                command=self._command_by_name('get curve'))
+    def _postprocess_add_block_force_array(
+        self, command, args={}, results=[]):
+        """Update the curve, since the available columns may have changed.
+        """
+        if isinstance(results[-1], Success):
+            self.execute_command(
+                command=self._command_by_name('get curve'))
+
+
+
+    # TODO: cruft
+
+    def _GetActiveFileIndex(self):
+        lib.playlist.Playlist = self.GetActivePlaylist()
+        #get the selected item from the tree
+        selected_item = self._c['playlist']._c['tree'].GetSelection()
+        #test if a playlist or a curve was double-clicked
+        if self._c['playlist']._c['tree'].ItemHasChildren(selected_item):
+            return -1
+        else:
+            count = 0
+            selected_item = self._c['playlist']._c['tree'].GetPrevSibling(selected_item)
+            while selected_item.IsOk():
+                count += 1
+                selected_item = self._c['playlist']._c['tree'].GetPrevSibling(selected_item)
+            return count
+
+    def _GetPlaylistTab(self, name):
+        for index, page in enumerate(self._c['notebook']._tabs._pages):
+            if page.caption == name:
+                return index
+        return -1
+
+    def select_plugin(self, _class=None, method=None, plugin=None):
+        pass
+
+    def AddPlaylistFromFiles(self, files=[], name='Untitled'):
+        if files:
+            playlist = lib.playlist.Playlist(self, self.drivers)
+            for item in files:
+                playlist.add_curve(item)
+        if playlist.count > 0:
+            playlist.name = self._GetUniquePlaylistName(name)
+            playlist.reset()
+            self.AddTayliss(playlist)
+
+    def AppliesPlotmanipulator(self, name):
+        '''
+        Returns True if the plotmanipulator 'name' is applied, False otherwise
+        name does not contain 'plotmanip_', just the name of the plotmanipulator (e.g. 'flatten')
+        '''
+        return self.GetBoolFromConfig('core', 'plotmanipulators', name)
+
+    def ApplyPlotmanipulators(self, plot, plot_file):
+        '''
+        Apply all active plotmanipulators.
+        '''
+        if plot is not None and plot_file is not None:
+            manipulated_plot = copy.deepcopy(plot)
+            for plotmanipulator in self.plotmanipulators:
+                if self.GetBoolFromConfig('core', 'plotmanipulators', plotmanipulator.name):
+                    manipulated_plot = plotmanipulator.method(manipulated_plot, plot_file)
+            return manipulated_plot
+
+    def GetActiveFigure(self):
+        playlist_name = self.GetActivePlaylistName()
+        figure = self.playlists[playlist_name].figure
+        if figure is not None:
+            return figure
+        return None
+
+    def GetActiveFile(self):
+        playlist = self.GetActivePlaylist()
+        if playlist is not None:
+            return playlist.get_active_file()
+        return None
+
+    def GetActivePlot(self):
+        playlist = self.GetActivePlaylist()
+        if playlist is not None:
+            return playlist.get_active_file().plot
+        return None
+
+    def GetDisplayedPlot(self):
+        plot = copy.deepcopy(self.displayed_plot)
+        #plot.curves = []
+        #plot.curves = copy.deepcopy(plot.curves)
+        return plot
+
+    def GetDisplayedPlotCorrected(self):
+        plot = copy.deepcopy(self.displayed_plot)
+        plot.curves = []
+        plot.curves = copy.deepcopy(plot.corrected_curves)
+        return plot
+
+    def GetDisplayedPlotRaw(self):
+        plot = copy.deepcopy(self.displayed_plot)
+        plot.curves = []
+        plot.curves = copy.deepcopy(plot.raw_curves)
+        return plot
+
+    def GetDockArt(self):
+        return self._c['manager'].GetArtProvider()
+
+    def GetPlotmanipulator(self, name):
+        '''
+        Returns a plot manipulator function from its name
+        '''
+        for plotmanipulator in self.plotmanipulators:
+            if plotmanipulator.name == name:
+                return plotmanipulator
+        return None
+
+    def HasPlotmanipulator(self, name):
+        '''
+        returns True if the plotmanipulator 'name' is loaded, False otherwise
+        '''
+        for plotmanipulator in self.plotmanipulators:
+            if plotmanipulator.command == name:
+                return True
+        return False
+
+
+    def _on_dir_ctrl_left_double_click(self, event):
+        file_path = self.panelFolders.GetPath()
+        if os.path.isfile(file_path):
+            if file_path.endswith('.hkp'):
+                self.do_loadlist(file_path)
+        event.Skip()
+
+    def _on_erase_background(self, event):
+        event.Skip()
+
+    def _on_notebook_page_close(self, event):
+        ctrl = event.GetEventObject()
+        playlist_name = ctrl.GetPageText(ctrl._curpage)
+        self.DeleteFromPlaylists(playlist_name)
+
+    def OnPaneClose(self, event):
+        event.Skip()
+
+    def OnPropGridChanged (self, event):
+        prop = event.GetProperty()
+        if prop:
+            item_section = self.panelProperties.SelectedTreeItem
+            item_plugin = self._c['commands']._c['tree'].GetItemParent(item_section)
+            plugin = self._c['commands']._c['tree'].GetItemText(item_plugin)
+            config = self.gui.config[plugin]
+            property_section = self._c['commands']._c['tree'].GetItemText(item_section)
+            property_key = prop.GetName()
+            property_value = prop.GetDisplayedString()
+
+            config[property_section][property_key]['value'] = property_value
+
+    def OnResultsCheck(self, index, flag):
+        results = self.GetActivePlot().results
+        if results.has_key(self.results_str):
+            results[self.results_str].results[index].visible = flag
+            results[self.results_str].update()
+            self.UpdatePlot()
+
+
+    def _on_size(self, event):
+        event.Skip()
+
+    def UpdatePlaylistsTreeSelection(self):
+        playlist = self.GetActivePlaylist()
+        if playlist is not None:
+            if playlist.index >= 0:
+                self._c['status bar'].set_playlist(playlist)
+                self.UpdateNote()
+                self.UpdatePlot()
+
+    def _on_curve_select(self, playlist, curve):
+        #create the plot tab and add playlist to the dictionary
+        plotPanel = panel.plot.PlotPanel(self, ID_FirstPlot + len(self.playlists))
+        notebook_tab = self._c['notebook'].AddPage(plotPanel, playlist.name, True)
+        #tab_index = self._c['notebook'].GetSelection()
+        playlist.figure = plotPanel.get_figure()
+        self.playlists[playlist.name] = playlist
+        #self.playlists[playlist.name] = [playlist, figure]
+        self._c['status bar'].set_playlist(playlist)
+        self.UpdateNote()
+        self.UpdatePlot()
+
+
+    def _on_playlist_left_doubleclick(self):
+        index = self._c['notebook'].GetSelection()
+        current_playlist = self._c['notebook'].GetPageText(index)
+        if current_playlist != playlist_name:
+            index = self._GetPlaylistTab(playlist_name)
+            self._c['notebook'].SetSelection(index)
+        self._c['status bar'].set_playlist(playlist)
+        self.UpdateNote()
+        self.UpdatePlot()
+
+    def _on_playlist_delete(self, playlist):
+        notebook = self.Parent.plotNotebook
+        index = self.Parent._GetPlaylistTab(playlist.name)
+        notebook.SetSelection(index)
+        notebook.DeletePage(notebook.GetSelection())
+        self.Parent.DeleteFromPlaylists(playlist_name)
+
+
+
+    # Command panel interface
+
+    def select_command(self, _class, method, command):
+        #self.select_plugin(plugin=command.plugin)
+        self._c['property editor'].clear()
+        self._c['property editor']._argument_from_label = {}
+        for argument in command.arguments:
+            if argument.name == 'help':
+                continue
+
+            results = self.execute_command(
+                command=self._command_by_name('playlists'))
+            if not isinstance(results[-1], Success):
+                self._postprocess_text(command, results=results)
+                playlists = []
+            else:
+                playlists = results[0]
+
+            results = self.execute_command(
+                command=self._command_by_name('playlist curves'))
+            if not isinstance(results[-1], Success):
+                self._postprocess_text(command, results=results)
+                curves = []
+            else:
+                curves = results[0]
+
+            ret = props_from_argument(
+                argument, curves=curves, playlists=playlists)
+            if ret == None:
+                continue  # property intentionally not handled (yet)
+            for label,p in ret:
+                self._c['property editor'].append_property(p)
+                self._c['property editor']._argument_from_label[label] = (
+                    argument)
+
+        self.gui.config['selected command'] = command  # TODO: push to engine
+
+
+
+    # Note panel interface
+
+    def _on_update_note(self, _class, method, text):
+        """Sets the note for the active curve.
+        """
+        self.execute_command(
+            command=self._command_by_name('set note'),
+            args={'note':text})
+
+
+
+    # Playlist panel interface
+
+    def _on_user_delete_playlist(self, _class, method, playlist):
+        pass
+
+    def _on_delete_playlist(self, _class, method, playlist):
+        if hasattr(playlist, 'path') and playlist.path != None:
+            os.remove(playlist.path)
+
+    def _on_user_delete_curve(self, _class, method, playlist, curve):
+        pass
+
+    def _on_delete_curve(self, _class, method, playlist, curve):
+        # TODO: execute_command 'remove curve from playlist'
+        os.remove(curve.path)
+
+    def _on_set_selected_playlist(self, _class, method, playlist):
+        """Call the `jump to playlist` command.
+        """
+        results = self.execute_command(
+            command=self._command_by_name('playlists'))
+        if not isinstance(results[-1], Success):
+            return
+        assert len(results) == 2, results
+        playlists = results[0]
+        matching = [p for p in playlists if p.name == playlist.name]
+        assert len(matching) == 1, matching
+        index = playlists.index(matching[0])
+        results = self.execute_command(
+            command=self._command_by_name('jump to playlist'),
+            args={'index':index})
+
+    def _on_set_selected_curve(self, _class, method, playlist, curve):
+        """Call the `jump to curve` command.
+        """
+        self._on_set_selected_playlist(_class, method, playlist)
+        index = playlist.index(curve)
+        results = self.execute_command(
+            command=self._command_by_name('jump to curve'),
+            args={'index':index})
+        if not isinstance(results[-1], Success):
+            return
+        #results = self.execute_command(
+        #    command=self._command_by_name('get playlist'))
+        #if not isinstance(results[-1], Success):
+        #    return
+        self.execute_command(
+            command=self._command_by_name('get curve'))
+
+
+
+    # Plot panel interface
+
+    def _on_plot_status_text(self, _class, method, text):
+        if 'status bar' in self._c:
+            self._c['status bar'].set_plot_text(text)
+
+
+
+    # Navbar interface
+
+    def _next_curve(self, *args):
+        """Call the `next curve` command.
+        """
+        results = self.execute_command(
+            command=self._command_by_name('next curve'))
+        if isinstance(results[-1], Success):
+            self.execute_command(
+                command=self._command_by_name('get curve'))
+
+    def _previous_curve(self, *args):
+        """Call the `previous curve` command.
+        """
+        results = self.execute_command(
+            command=self._command_by_name('previous curve'))
+        if isinstance(results[-1], Success):
+            self.execute_command(
+                command=self._command_by_name('get curve'))
+
+
+
+    # Panel display handling
+
+    def _on_panel_visibility(self, _class, method, panel_name, visible):
+        pane = self._c['manager'].GetPane(panel_name)
+        pane.Show(visible)
+        #if we don't do the following, the Folders pane does not resize properly on hide/show
+        if pane.caption == 'Folders' and pane.IsShown() and pane.IsDocked():
+            #folders_size = pane.GetSize()
+            self.panelFolders.Fit()
+        self._c['manager'].Update()
+
+    def _setup_perspectives(self):
+        """Add perspectives to menubar and _perspectives.
+        """
+        self._perspectives = {
+            'Default': self._c['manager'].SavePerspective(),
+            }
+        path = self.gui.config['perspective path']
+        if os.path.isdir(path):
+            files = sorted(os.listdir(path))
+            for fname in files:
+                name, extension = os.path.splitext(fname)
+                if extension != self.gui.config['perspective extension']:
+                    continue
+                fpath = os.path.join(path, fname)
+                if not os.path.isfile(fpath):
+                    continue
+                perspective = None
+                with open(fpath, 'rU') as f:
+                    perspective = f.readline()
+                if perspective:
+                    self._perspectives[name] = perspective
+
+        selected_perspective = self.gui.config['active perspective']
+        if not self._perspectives.has_key(selected_perspective):
+            self.gui.config['active perspective'] = 'Default'  # TODO: push to engine's Hooke
+
+        self._restore_perspective(selected_perspective, force=True)
+        self._update_perspective_menu()
+
+    def _update_perspective_menu(self):
+        self._c['menu bar']._c['perspective'].update(
+            sorted(self._perspectives.keys()),
+            self.gui.config['active perspective'])
+
+    def _save_perspective(self, perspective, perspective_dir, name,
+                          extension=None):
+        path = os.path.join(perspective_dir, name)
+        if extension != None:
+            path += extension
+        if not os.path.isdir(perspective_dir):
+            os.makedirs(perspective_dir)
+        with open(path, 'w') as f:
+            f.write(perspective)
+        self._perspectives[name] = perspective
+        self._restore_perspective(name)
+        self._update_perspective_menu()
+
+    def _delete_perspectives(self, perspective_dir, names,
+                             extension=None):
+        self.log.debug('remove perspectives %s from %s'
+                       % (names, perspective_dir))
+        for name in names:
+            path = os.path.join(perspective_dir, name)
+            if extension != None:
+                path += extension
+            os.remove(path)
+            del(self._perspectives[name])
+        self._update_perspective_menu()
+        if self.gui.config['active perspective'] in names:
+            self._restore_perspective('Default')
+        # TODO: does this bug still apply?
+        # Unfortunately, there is a bug in wxWidgets for win32 (Ticket #3258
+        #   http://trac.wxwidgets.org/ticket/3258 
+        # ) that makes the radio item indicator in the menu disappear.
+        # The code should be fine once this issue is fixed.
+
+    def _restore_perspective(self, name, force=False):
+        if name != self.gui.config['active perspective'] or force == True:
+            self.log.debug('restore perspective %s' % name)
+            self.gui.config['active perspective'] = name  # TODO: push to engine's Hooke
+            self._c['manager'].LoadPerspective(self._perspectives[name])
+            self._c['manager'].Update()
+            for pane in self._c['manager'].GetAllPanes():
+                view = self._c['menu bar']._c['view']
+                if pane.name in view._c.keys():
+                    view._c[pane.name].Check(pane.window.IsShown())
+
+    def _on_save_perspective(self, *args):
+        perspective = self._c['manager'].SavePerspective()
+        name = self.gui.config['active perspective']
+        if name == 'Default':
+            name = 'New perspective'
+        name = select_save_file(
+            directory=self.gui.config['perspective path'],
+            name=name,
+            extension=self.gui.config['perspective extension'],
+            parent=self,
+            message='Enter a name for the new perspective:',
+            caption='Save perspective')
+        if name == None:
+            return
+        self._save_perspective(
+            perspective, self.gui.config['perspective path'], name=name,
+            extension=self.gui.config['perspective extension'])
+
+    def _on_delete_perspective(self, *args, **kwargs):
+        options = sorted([p for p in self._perspectives.keys()
+                          if p != 'Default'])
+        dialog = SelectionDialog(
+            options=options,
+            message="\nPlease check the perspectives\n\nyou want to delete and click 'Delete'.\n",
+            button_id=wx.ID_DELETE,
+            selection_style='multiple',
+            parent=self,
+            title='Delete perspective(s)',
+            style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER)
+        dialog.CenterOnScreen()
+        dialog.ShowModal()
+        if dialog.canceled == True:
+            return
+        names = [options[i] for i in dialog.selected]
+        dialog.Destroy()
+        self._delete_perspectives(
+            self.gui.config['perspective path'], names=names,
+            extension=self.gui.config['perspective extension'])
+
+    def _on_select_perspective(self, _class, method, name):
+        self._restore_perspective(name)
+
+
+
+class HookeApp (wx.App):
+    """A :class:`wx.App` wrapper around :class:`HookeFrame`.
+
+    Tosses up a splash screen and then loads :class:`HookeFrame` in
+    its own window.
+    """
+    def __init__(self, gui, commands, inqueue, outqueue, *args, **kwargs):
+        self.gui = gui
+        self.commands = commands
+        self.inqueue = inqueue
+        self.outqueue = outqueue
+        super(HookeApp, self).__init__(*args, **kwargs)
+
+    def OnInit(self):
+        self.SetAppName('Hooke')
+        self.SetVendorName('')
+        self._setup_splash_screen()
+
+        height = self.gui.config['main height']
+        width = self.gui.config['main width']
+        top = self.gui.config['main top']
+        left = self.gui.config['main left']
+
+        # Sometimes, the ini file gets confused and sets 'left' and
+        # 'top' to large negative numbers.  Here we catch and fix
+        # this.  Keep small negative numbers, the user might want
+        # those.
+        if left < -width:
+            left = 0
+        if top < -height:
+            top = 0
+
+        self._c = {
+            'frame': HookeFrame(
+                self.gui, self.commands, self.inqueue, self.outqueue,
+                parent=None, title='Hooke',
+                pos=(left, top), size=(width, height),
+                style=wx.DEFAULT_FRAME_STYLE|wx.SUNKEN_BORDER|wx.CLIP_CHILDREN),
+            }
+        self._c['frame'].Show(True)
+        self.SetTopWindow(self._c['frame'])
+        return True
+
+    def _setup_splash_screen(self):
+        if self.gui.config['show splash screen'] == True:
+            path = self.gui.config['splash screen image']
+            if os.path.isfile(path):
+                duration = self.gui.config['splash screen duration']
+                wx.SplashScreen(
+                    bitmap=wx.Image(path).ConvertToBitmap(),
+                    splashStyle=wx.SPLASH_CENTRE_ON_SCREEN|wx.SPLASH_TIMEOUT,
+                    milliseconds=duration,
+                    parent=None)
+                wx.Yield()
+                # For some reason splashDuration and sleep do not
+                # correspond to each other at least not on Windows.
+                # Maybe it's because duration is in milliseconds and
+                # sleep in seconds.  Thus we need to increase the
+                # sleep time a bit. A factor of 1.2 seems to work.
+                sleepFactor = 1.2
+                time.sleep(sleepFactor * duration / 1000)
+
+
+class GUI (UserInterface):
+    """wxWindows graphical user interface.
+    """
+    def __init__(self):
+        super(GUI, self).__init__(name='gui')
+
+    def default_settings(self):
+        """Return a list of :class:`hooke.config.Setting`\s for any
+        configurable UI settings.
+
+        The suggested section setting is::
+
+            Setting(section=self.setting_section, help=self.__doc__)
+        """
+        return [
+            Setting(section=self.setting_section, help=self.__doc__),
+            Setting(section=self.setting_section, option='icon image',
+                    value=os.path.join('doc', 'img', 'microscope.ico'),
+                    type='file',
+                    help='Path to the hooke icon image.'),
+            Setting(section=self.setting_section, option='show splash screen',
+                    value=True, type='bool',
+                    help='Enable/disable the splash screen'),
+            Setting(section=self.setting_section, option='splash screen image',
+                    value=os.path.join('doc', 'img', 'hooke.jpg'),
+                    type='file',
+                    help='Path to the Hooke splash screen image.'),
+            Setting(section=self.setting_section,
+                    option='splash screen duration',
+                    value=1000, type='int',
+                    help='Duration of the splash screen in milliseconds.'),
+            Setting(section=self.setting_section, option='perspective path',
+                    value=os.path.join('resources', 'gui', 'perspective'),
+                    help='Directory containing perspective files.'), # TODO: allow colon separated list, like $PATH.
+            Setting(section=self.setting_section, option='perspective extension',
+                    value='.txt',
+                    help='Extension for perspective files.'),
+            Setting(section=self.setting_section, option='hide extensions',
+                    value=False, type='bool',
+                    help='Hide file extensions when displaying names.'),
+            Setting(section=self.setting_section, option='plot legend',
+                    value=True, type='bool',
+                    help='Enable/disable the plot legend.'),
+            Setting(section=self.setting_section, option='plot SI format',
+                    value='True', type='bool',
+                    help='Enable/disable SI plot axes numbering.'),
+            Setting(section=self.setting_section, option='plot decimals',
+                    value=2, type='int',
+                    help='Number of decimal places to show if "plot SI format" is enabled.'),
+            Setting(section=self.setting_section, option='folders-workdir',
+                    value='.', type='path',
+                    help='This should probably go...'),
+            Setting(section=self.setting_section, option='folders-filters',
+                    value='.', type='path',
+                    help='This should probably go...'),
+            Setting(section=self.setting_section, option='active perspective',
+                    value='Default',
+                    help='Name of active perspective file (or "Default").'),
+            Setting(section=self.setting_section,
+                    option='folders-filter-index',
+                    value=0, type='int',
+                    help='This should probably go...'),
+            Setting(section=self.setting_section, option='main height',
+                    value=450, type='int',
+                    help='Height of main window in pixels.'),
+            Setting(section=self.setting_section, option='main width',
+                    value=800, type='int',
+                    help='Width of main window in pixels.'),
+            Setting(section=self.setting_section, option='main top',
+                    value=0, type='int',
+                    help='Pixels from screen top to top of main window.'),
+            Setting(section=self.setting_section, option='main left',
+                    value=0, type='int',
+                    help='Pixels from screen left to left of main window.'),
+            Setting(section=self.setting_section, option='selected command',
+                    value='load playlist',
+                    help='Name of the initially selected command.'),
+            ]
+
+    def _app(self, commands, ui_to_command_queue, command_to_ui_queue):
+        redirect = True
+        if __debug__:
+            redirect=False
+        app = HookeApp(gui=self,
+                       commands=commands,
+                       inqueue=ui_to_command_queue,
+                       outqueue=command_to_ui_queue,
+                       redirect=redirect)
+        return app
+
+    def run(self, commands, ui_to_command_queue, command_to_ui_queue):
+        app = self._app(commands, ui_to_command_queue, command_to_ui_queue)
+        app.MainLoop()