-/* © 2011 Benoît Pin, MINES ParisTech */
-
-
-(function(){
-
-var reImage = /^image\//;
-var MAX_PREVIEW = 2;
-
-var PlinnCKDDUploader = function(editor) {
- this.editor = editor;
- this.uploadUrl = editor.config.baseHref + 'attachments/put_upload';
- this.uploadQueue = [];
- this._uploadQueueRunning = false;
- this.previewQueue = [];
- this._previewQueueRunning = false;
- this.previewsLoaded = 0;
- this.thumbnailSize = 310;
- var self = this;
- editor.document.on('dragenter', function(e) {self.dragenter(e);});
- editor.document.on('dragover', function(e) {self.dragover(e);});
- editor.document.on('drop', function(e) {self.drop(e);});
-};
-
-// Drag and drop
-PlinnCKDDUploader.prototype.dragenter = function(e) {
- var evt = e.data.$;
- disableDefault(evt);
- disablePropagation(evt);
-};
-
-PlinnCKDDUploader.prototype.dragover = function(e) {
- var evt = e.data.$;
- disableDefault(evt);
- disablePropagation(evt);
- evt = getEventObject(evt);
- var dt = evt.dataTransfer;
- dt.dropEffect = 'copy';
-};
-
-PlinnCKDDUploader.prototype.drop = function(e) {
- var evt = e.data.$;
- disableDefault(evt);
- disablePropagation(evt);
- getEventObject(evt);
- var dt = evt.dataTransfer;
- dt.dropEffect = 'copy';
- this.handleFiles(dt.files);
-};
-
-PlinnCKDDUploader.prototype.createLinkProxy = function(file) {
- var container = new CKEDITOR.dom.element('span');
- var rel = CKEDITOR.dom.element.createFromHtml('<span style="position:relative"/>');
- container.append(rel);
- var progressBar = CKEDITOR.dom.element.createFromHtml(
- '<span style="display:block; position:absolute; background:#ef8e32; height:4px; border-radius:2px; width:0; left:0; top:1em"/>');
- rel.append(progressBar);
- var link = new CKEDITOR.dom.element('a');
- link.setAttribute('href', '#');
- link.setStyle('opacity', 0.2);
- link.appendText(file.name);
- container.append(link);
-
- var proxy = {};
- proxy.file = file;
- proxy.type = 'link';
- proxy.container = container;
- proxy.progressBar = progressBar;
- proxy.link = link;
- return proxy;
-};
-
-PlinnCKDDUploader.prototype.createImageProxy = function(file) {
- var container = new CKEDITOR.dom.element('span');
- var rel = CKEDITOR.dom.element.createFromHtml('<span style="position:relative"/>');
- container.append(rel);
- var progressBar = CKEDITOR.dom.element.createFromHtml(
- '<span style="display:block; position:absolute; background:#ef8e32; height:4px; border-radius:2px; width:0; left:0; top:1em"/>');
- rel.append(progressBar);
-
- var img = new CKEDITOR.dom.element('img');
- img.setAttribute('width', 310);
- img.setAttribute('height', 290);
- img.setStyle('opacity', 0.2);
- img.setAttribute('src', 'no_image.jpg');
- img.placeholder = true;
- var size = this.thumbnailSize;
- var self = this;
-
- img.on('load', function(e) {
- if (e.sender.placeholder) {
- e.sender.placeholder = false;
- return;
- };
- var img$ = e.data.$.target;
- if (img$.naturalWidth > img$.naturalHeight) { // landscape
- img$.height = Math.round(size * img$.naturalHeight / img$.naturalWidth);
- img$.width = size;
- }
- else {
- img$.width = Math.round(size * img$.naturalWidth / img$.naturalHeight);
- img$.height = size;
- }
- self.progressBarMaxSize = img$.width;
- img$.style.opacity = 0.2;
- });
-
- container.append(img);
-
- var proxy = {};
- proxy.file = file;
- proxy.type = 'image';
- proxy.container = container;
- proxy.progressBar = progressBar;
- proxy.img = img;
- return proxy;
-};
-
-// Methods about upload
-PlinnCKDDUploader.prototype.handleFiles = function(files) {
- var file, i, proxy;
- for (i=0 ; i<files.length ; i++) {
- file = files[i];
- if (reImage.test(file.type)) {
- proxy = this.createImageProxy(file);
- this.previewQueuePush(proxy);
- }
- else {
- proxy = this.createLinkProxy(file);
- }
- this.editor.insertElement(proxy.container);
- if (files.length > 1 && i < files.length-1) {
- this.editor.insertText('\n'); }
- this.uploadQueuePush(proxy);
- }
-};
-
-
-
-PlinnCKDDUploader.prototype.beforeUpload = function(item) {
- this.uploadedItem = item;
- this.progressBar = item.progressBar;
- this.progressBarMaxSize = item.container.getSize('width');
-};
-
-
-PlinnCKDDUploader.prototype.upload = function(item) {
- // item.file must be the file to be uploaded
- this.beforeUpload(item);
- var reader = new FileReader();
- var req = new XMLHttpRequest();
- var file = item.file;
-
- var self = this;
-
- addListener(req.upload, 'progress', function(evt){self.progressHandler(evt);});
- addListener(req, 'readystatechange',
- function(evt) {
- if (req.readyState === 4) {
- self.uploadCompleteHandler(req);
- }
- });
-
- req.open("PUT", this.uploadUrl);
- req.setRequestHeader("Content-Type", file.type);
- req.setRequestHeader("X-File-Name", encodeURI(file.name));
- addListener(reader, 'load',
- function(evt){
- try {
- req.sendAsBinary(evt.target.result);
- }
- catch(e){}
- });
- reader.readAsBinaryString(file);
-};
-
-
-PlinnCKDDUploader.prototype.uploadCompleteHandlerCB = function(req) {
- var item = this.uploadedItem;
- var data = req.responseXML.documentElement;
- switch (item.type) {
- case 'link' :
- var link = new CKEDITOR.dom.element('a');
- link.setAttribute('href', 'attachments/' + data.getAttribute('id'));
- link.appendText(data.getAttribute('title'));
- link.replace(item.container);
- break;
- case 'image' :
- var img = new CKEDITOR.dom.element('img');
- img.setAttribute('src', data.getAttribute('src'));
- img.setAttribute('alt', data.getAttribute('title'));
- img.setAttribute('width', data.getAttribute('width'));
- img.setAttribute('height', data.getAttribute('height'));
- img.replace(item.container);
- this.previewsLoaded--;
- this.previewQueueLoadNext();
- break;
- }
-};
-
-PlinnCKDDUploader.prototype.uploadCompleteHandler = function(req) {
- this.uploadCompleteHandlerCB(req);
- this.uploadQueueLoadNext();
-};
-
-PlinnCKDDUploader.prototype.progressHandlerCB = function(progress) {
- // 0 <= progress <= 1
- var size = this.progressBarMaxSize * progress;
- size = Math.round(size);
- this.progressBar.setStyle('width', String(size) + 'px');
- var currentOpacity;
- switch(this.uploadedItem.type) {
- case 'link' :
- currentOpacity = this.uploadedItem.link.getStyle('opacity');
- this.uploadedItem.link.setStyle('opacity', Math.max(currentOpacity, progress));
- break;
- case 'image' :
- currentOpacity = this.uploadedItem.img.getStyle('opacity');
- this.uploadedItem.img.setStyle('opacity', Math.max(currentOpacity, progress));
- break;
- }
-};
-
-PlinnCKDDUploader.prototype.progressHandler = function(evt) {
- if (evt.lengthComputable) {
- var progress = evt.loaded / evt.total;
- this.progressHandlerCB(progress);
- }
-};
-
-// Methods about upload queue
-PlinnCKDDUploader.prototype.uploadQueuePush = function(item) {
- this.uploadQueue.push(item);
- if (!this._uploadQueueRunning) {
- this.startUploadQueue();
- }
-};
-
-PlinnCKDDUploader.prototype.startUploadQueue = function() {
- this._uploadQueueRunning = true;
- this.uploadQueueLoadNext();
-};
-
-PlinnCKDDUploader.prototype.uploadQueueLoadNext = function() {
- var item = this.uploadQueue.shift();
- if (item) {
- this.upload(item);
- }
- else {
- this._uploadQueueRunning = false;
- }
-};
-
-// Methods about image preview queue.
-PlinnCKDDUploader.prototype.previewQueuePush = function(proxy) {
- this.previewQueue.push(proxy);
- if (!this._previewQueueRunning) {
- this.startPreviewQueue();
- }
-};
-
-PlinnCKDDUploader.prototype.startPreviewQueue = function() {
- this._previewQueueRunning = true;
- this.previewQueueLoadNext();
-};
-
-PlinnCKDDUploader.prototype.previewQueueLoadNext = function() {
- if (this.previewQueue.length && this.previewsLoaded < MAX_PREVIEW) {
- var proxy = this.previewQueue.shift();
- this.previewUploadedImage(proxy);
- this.previewsLoaded++;
- }
- else {
- this._previewQueueRunning = false;
- }
-};
-
-PlinnCKDDUploader.prototype.previewUploadedImage = function(proxy) {
- var reader = new FileReader();
- var size = this.thumbnailSize;
- var self = this;
-
- reader.onload = function(evt) {
- proxy.img.setAttribute('src', evt.target.result);
- setTimeout(function(){self.previewQueueLoadNext();}, 500);
- };
- reader.readAsDataURL(proxy.file);
-};
-
-
-
-var reSize = /getResizedImage\?size=(\d+)_(\d+)$/;
-
-function updateImageSizeUrlParameters(img) {
- if (reSize.test(img.src)){
- var matches = reSize.exec(img.src);
- var srcWidth = parseInt(matches[1], 10);
- var srcHeight = parseInt(matches[2], 10);
-
- var imgWidth = parseInt((img.style.width) ? img.style.width : img.width, 10);
- var imgHeight = parseInt((img.style.height) ? img.style.height : img.height, 10);
-
- if ((imgWidth && imgHeight) && srcWidth !== imgWidth && srcHeight !== imgHeight) {
- var newUrl = img.getAttribute('src', 2).replace(reSize, 'getResizedImage?size=' + imgWidth + '_' + imgHeight);
- img.width = imgWidth;
- img.height = imgHeight;
- img.src = newUrl;
- }
- }
-}
-
-function openPlinnImageDialog(path, editor) {
- var winOptions = "location=no,menubar=no,toolbar=no,dependent=yes,dialog=yes,minimizable=no,modal=yes,alwaysRaised=yes" +
- ",resizable=yes" +
- ",width=801" +
- ",height=600";
- //",top=" + iTop +
- //",left=" + iLeft ;
-
- var win = open(path + 'dialog/plinn_image.html', 'PlinnImageDialog', winOptions);
- win.dialogArguments = {};
- win.dialogArguments.editor = editor;
- win.dialogArguments.pluginPath = path;
- win.dialogArguments.CKEDITOR = CKEDITOR;
-}
-
-
-CKEDITOR.plugins.add( 'plinn_image',
-{
- init : function( editor )
- {
- /* Add listener on getData event to compute images
- src attributes before saving data.
- */
- editor.on('instanceReady', function(){
- editor.on('getData',
- function(evt) {
- var tmpDiv = document.createElement('div');
- tmpDiv.innerHTML = evt.data.dataValue;
- var images = tmpDiv.getElementsByTagName('IMG');
- var i;
- for (i = 0 ; i < images.length ; i++) {
- updateImageSizeUrlParameters(images[i]);}
- evt.data.dataValue = tmpDiv.innerHTML;
- }
- );
- // drag & drop upload initialisation
- var dd = new PlinnCKDDUploader(editor);
- });
-
-
- var pluginPath = this.path;
- var allowed = 'img[alt,!src]{border-style,border-width,float,height,margin,margin-bottom,margin-left,margin-right,margin-top,width}';
- var required = 'img[alt,src]';
- var command = editor.addCommand('plinn_image',
- {
- exec : function(editor){openPlinnImageDialog(pluginPath, editor);},
- allowedContent: allowed,
- requiredContent: required
- }
- );
-
- editor.ui.addButton('PlinnImage',
- {
- label : editor.lang.common.image,
- icon : pluginPath + 'dialog/plinn_image.png',
- command : 'plinn_image'
- });
- }
-
-});
-
-}());