+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);
+};
+
+
+
projects / ckeditor.git / blobdiff