load attachment javascript into template the clean way
[ikiwiki.git] / underlays / attachment / ikiwiki / jquery.fileupload-ui.js
diff --git a/underlays/attachment/ikiwiki/jquery.fileupload-ui.js b/underlays/attachment/ikiwiki/jquery.fileupload-ui.js
new file mode 100644 (file)
index 0000000..61897ba
--- /dev/null
@@ -0,0 +1,357 @@
+/*
+ * jQuery File Upload User Interface Plugin 5.0.13
+ * https://github.com/blueimp/jQuery-File-Upload
+ *
+ * Copyright 2010, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * http://creativecommons.org/licenses/MIT/
+ */
+
+/*jslint nomen: true, unparam: true, regexp: true */
+/*global window, document, URL, webkitURL, FileReader, jQuery */
+
+(function ($) {
+    'use strict';
+    
+    // The UI version extends the basic fileupload widget and adds
+    // a complete user interface based on the given upload/download
+    // templates.
+    $.widget('blueimpUI.fileupload', $.blueimp.fileupload, {
+        
+        options: {
+            // By default, files added to the widget are uploaded as soon
+            // as the user clicks on the start buttons. To enable automatic
+            // uploads, set the following option to true:
+            autoUpload: true,
+            // The file upload template that is given as first argument to the
+            // jQuery.tmpl method to render the file uploads:
+            uploadTemplate: $('#template-upload'),
+            // The file download template, that is given as first argument to the
+            // jQuery.tmpl method to render the file downloads:
+            downloadTemplate: $('#template-download'),
+            // The expected data type of the upload response, sets the dataType
+            // option of the $.ajax upload requests:
+            dataType: 'json',
+            
+            // The add callback is invoked as soon as files are added to the fileupload
+            // widget (via file input selection, drag & drop or add API call).
+            // See the basic file upload widget for more information:
+            add: function (e, data) {
+                var that = $(this).data('fileupload');
+                data.isAdjusted = true;
+                data.isValidated = that._validate(data.files);
+                data.context = that._renderUpload(data.files)
+                    .appendTo($(this).find('.files')).fadeIn(function () {
+                        // Fix for IE7 and lower:
+                        $(this).show();
+                    }).data('data', data);
+                if ((that.options.autoUpload || data.autoUpload) &&
+                        data.isValidated) {
+                    data.jqXHR = data.submit();
+                }
+            },
+            // Callback for the start of each file upload request:
+            send: function (e, data) {
+                if (!data.isValidated) {
+                    var that = $(this).data('fileupload');
+                    if (!that._validate(data.files)) {
+                        return false;
+                    }
+                }
+                if (data.context && data.dataType &&
+                        data.dataType.substr(0, 6) === 'iframe') {
+                    // Iframe Transport does not support progress events.
+                    // In lack of an indeterminate progress bar, we set
+                    // the progress to 100%, showing the full animated bar:
+                    data.context.find('.ui-progressbar').progressbar(
+                        'value',
+                        parseInt(100, 10)
+                    );
+                }
+            },
+            // Callback for successful uploads:
+            done: function (e, data) {
+                var that = $(this).data('fileupload');
+                if (data.context) {
+                    data.context.each(function (index) {
+                        var file = ($.isArray(data.result) &&
+                                data.result[index]) || {error: 'emptyResult'};
+                        $(this).fadeOut(function () {
+                            that._renderDownload([file])
+                                .css('display', 'none')
+                                .replaceAll(this)
+                                .fadeIn(function () {
+                                    // Fix for IE7 and lower:
+                                    $(this).show();
+                                });
+                        });
+                    });
+                } else {
+                    that._renderDownload(data.result)
+                        .css('display', 'none')
+                        .appendTo($(this).find('.files'))
+                        .fadeIn(function () {
+                            // Fix for IE7 and lower:
+                            $(this).show();
+                        });
+                }
+            },
+            // Callback for failed (abort or error) uploads:
+            fail: function (e, data) {
+                var that = $(this).data('fileupload');
+                if (data.context) {
+                    data.context.each(function (index) {
+                        $(this).fadeOut(function () {
+                            if (data.errorThrown !== 'abort') {
+                                var file = data.files[index];
+                                file.error = file.error || data.errorThrown
+                                    || true;
+                                that._renderDownload([file])
+                                    .css('display', 'none')
+                                    .replaceAll(this)
+                                    .fadeIn(function () {
+                                        // Fix for IE7 and lower:
+                                        $(this).show();
+                                    });
+                            } else {
+                                data.context.remove();
+                            }
+                        });
+                    });
+                } else if (data.errorThrown !== 'abort') {
+                    data.context = that._renderUpload(data.files)
+                        .css('display', 'none')
+                        .appendTo($(this).find('.files'))
+                        .fadeIn(function () {
+                            // Fix for IE7 and lower:
+                            $(this).show();
+                        }).data('data', data);
+                }
+            },
+            // Callback for upload progress events:
+            progress: function (e, data) {
+                if (data.context) {
+                    data.context.find('.ui-progressbar').progressbar(
+                        'value',
+                        parseInt(data.loaded / data.total * 100, 10)
+                    );
+                }
+            },
+            // Callback for global upload progress events:
+            progressall: function (e, data) {
+                $(this).find('.fileupload-progressbar').progressbar(
+                    'value',
+                    parseInt(data.loaded / data.total * 100, 10)
+                );
+            },
+            // Callback for uploads start, equivalent to the global ajaxStart event:
+            start: function () {
+                $(this).find('.fileupload-progressbar')
+                    .progressbar('value', 0).fadeIn();
+            },
+            // Callback for uploads stop, equivalent to the global ajaxStop event:
+            stop: function () {
+                $(this).find('.fileupload-progressbar').fadeOut();
+            },
+        },
+       
+        _createObjectURL: function (file) {
+            var undef = 'undefined',
+                urlAPI = (typeof window.createObjectURL !== undef && window) ||
+                    (typeof URL !== undef && URL) ||
+                    (typeof webkitURL !== undef && webkitURL);
+            return urlAPI ? urlAPI.createObjectURL(file) : false;
+        },
+        
+        _revokeObjectURL: function (url) {
+            var undef = 'undefined',
+                urlAPI = (typeof window.revokeObjectURL !== undef && window) ||
+                    (typeof URL !== undef && URL) ||
+                    (typeof webkitURL !== undef && webkitURL);
+            return urlAPI ? urlAPI.revokeObjectURL(url) : false;
+        },
+
+        // Link handler, that allows to download files
+        // by drag & drop of the links to the desktop:
+        _enableDragToDesktop: function () {
+            var link = $(this),
+                url = link.prop('href'),
+                name = decodeURIComponent(url.split('/').pop())
+                    .replace(/:/g, '-'),
+                type = 'application/octet-stream';
+            link.bind('dragstart', function (e) {
+                try {
+                    e.originalEvent.dataTransfer.setData(
+                        'DownloadURL',
+                        [type, name, url].join(':')
+                    );
+                } catch (err) {}
+            });
+        },
+
+        _hasError: function (file) {
+            if (file.error) {
+                return file.error;
+            }
+            return null;
+        },
+
+        _validate: function (files) {
+            var that = this,
+                valid;
+            $.each(files, function (index, file) {
+                file.error = that._hasError(file);
+                valid = !file.error;
+            });
+            return valid;
+        },
+
+        _uploadTemplateHelper: function (file) {
+            return file;
+        },
+
+        _renderUploadTemplate: function (files) {
+            var that = this;
+            return $.tmpl(
+                this.options.uploadTemplate,
+                $.map(files, function (file) {
+                    return that._uploadTemplateHelper(file);
+                })
+            );
+        },
+
+        _renderUpload: function (files) {
+            var that = this,
+                options = this.options,
+                tmpl = this._renderUploadTemplate(files);
+            if (!(tmpl instanceof $)) {
+                return $();
+            }
+            tmpl.css('display', 'none');
+            // .slice(1).remove().end().first() removes all but the first
+            // element and selects only the first for the jQuery collection:
+            tmpl.find('.progress div').slice(1).remove().end().first()
+                .progressbar();
+            tmpl.find('.start button').slice(
+                this.options.autoUpload ? 0 : 1
+            ).remove().end().first()
+                .button({
+                    text: false,
+                    icons: {primary: 'ui-icon-circle-arrow-e'}
+                });
+            tmpl.find('.cancel button').slice(1).remove().end().first()
+                .button({
+                    text: false,
+                    icons: {primary: 'ui-icon-cancel'}
+                });
+            return tmpl;
+        },
+
+        _downloadTemplateHelper: function (file) {
+            return file;
+        },
+
+        _renderDownloadTemplate: function (files) {
+            var that = this;
+            return $.tmpl(
+                this.options.downloadTemplate,
+                $.map(files, function (file) {
+                    return that._downloadTemplateHelper(file);
+                })
+            );
+        },
+        
+        _renderDownload: function (files) {
+            var tmpl = this._renderDownloadTemplate(files);
+            if (!(tmpl instanceof $)) {
+                return $();
+            }
+            tmpl.css('display', 'none');
+            tmpl.find('a').each(this._enableDragToDesktop);
+            return tmpl;
+        },
+        
+        _startHandler: function (e) {
+            e.preventDefault();
+            var tmpl = $(this).closest('.template-upload'),
+                data = tmpl.data('data');
+            if (data && data.submit && !data.jqXHR) {
+                data.jqXHR = data.submit();
+                $(this).fadeOut();
+            }
+        },
+        
+        _cancelHandler: function (e) {
+            e.preventDefault();
+            var tmpl = $(this).closest('.template-upload'),
+                data = tmpl.data('data') || {};
+            if (!data.jqXHR) {
+                data.errorThrown = 'abort';
+                e.data.fileupload._trigger('fail', e, data);
+            } else {
+                data.jqXHR.abort();
+            }
+        },
+        
+        _initEventHandlers: function () {
+            $.blueimp.fileupload.prototype._initEventHandlers.call(this);
+            var filesList = this.element.find('.files'),
+                eventData = {fileupload: this};
+            filesList.find('.start button')
+                .live(
+                    'click.' + this.options.namespace,
+                    eventData,
+                    this._startHandler
+                );
+            filesList.find('.cancel button')
+                .live(
+                    'click.' + this.options.namespace,
+                    eventData,
+                    this._cancelHandler
+                );
+        },
+        
+        _destroyEventHandlers: function () {
+            var filesList = this.element.find('.files');
+            filesList.find('.start button')
+                .die('click.' + this.options.namespace);
+            filesList.find('.cancel button')
+                .die('click.' + this.options.namespace);
+            $.blueimp.fileupload.prototype._destroyEventHandlers.call(this);
+        },
+
+        _initTemplates: function () {
+            // Handle cases where the templates are defined
+            // after the widget library has been included:
+            if (this.options.uploadTemplate instanceof $ &&
+                    !this.options.uploadTemplate.length) {
+                this.options.uploadTemplate = $(
+                    this.options.uploadTemplate.selector
+                );
+            }
+            if (this.options.downloadTemplate instanceof $ &&
+                    !this.options.downloadTemplate.length) {
+                this.options.downloadTemplate = $(
+                    this.options.downloadTemplate.selector
+                );
+            }
+        },
+
+        _create: function () {
+            $.blueimp.fileupload.prototype._create.call(this);
+            this._initTemplates();
+        },
+        
+        enable: function () {
+            $.blueimp.fileupload.prototype.enable.call(this);
+        },
+        
+        disable: function () {
+            $.blueimp.fileupload.prototype.disable.call(this);
+        }
+
+    });
+
+}(jQuery));