From: Benoît Pin <pin@cri.ensmp.fr>
Date: Wed, 9 Apr 2014 12:40:41 +0000 (+0200)
Subject: Upload par drag & drop des fichiers dans l'éditeur. Premier jet (encore des bugs).
X-Git-Url: https://scm.cri.mines-paristech.fr/git/ckeditor.git/commitdiff_plain/90e3d8dbc707760aefad9ea1004ccdeaadd56351

Upload par drag & drop des fichiers dans l'éditeur. Premier jet (encore des bugs).
---

diff --git a/skins/ckeditor/plugins/plinn_image/plugin.js b/skins/ckeditor/plugins/plinn_image/plugin.js
index ebce6a9..149de7f 100644
--- a/skins/ckeditor/plugins/plinn_image/plugin.js
+++ b/skins/ckeditor/plugins/plinn_image/plugin.js
@@ -3,6 +3,171 @@
 
 (function(){
 
+var reImage = /^image\//;
+
+var PlinnCKDDUploader = function(editor) {
+	this.editor = editor;
+	this.uploadUrl = editor.config.baseHref + 'attachments/put_upload';
+	this.uploadQueue = [];
+	this._uploadQueueRunning = false;
+	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) {
+	evt = e.data.$;
+	disableDefault(evt);
+	disablePropagation(evt);
+};
+
+PlinnCKDDUploader.prototype.dragover = function(e) {
+	evt = e.data.$;
+	disableDefault(evt);
+	disablePropagation(evt);
+	evt = getEventObject(evt);
+	var dt = evt.dataTransfer;
+	dt.dropEffect = 'copy';
+};
+
+PlinnCKDDUploader.prototype.drop = function(e) {
+	evt = e.data.$;
+	disableDefault(evt);
+	disablePropagation(evt);
+	getEventObject(evt);
+	var dt = evt.dataTransfer;
+	dt.dropEffect = 'copy';
+	this.handleFiles(dt.files);
+};
+
+PlinnCKDDUploader.prototype.createFileProxy = 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"/>')
+	rel.append(progressBar);
+	var link = new CKEDITOR.dom.element('a');
+	link.setAttribute('href', '#');
+	link.appendText(file.name);
+	container.append(link);
+
+	var proxy = new Object();
+	proxy.file = file;
+	proxy.container = container;
+	proxy.progressBar = progressBar;
+	proxy.link = link;
+	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)) {
+			// TODO
+		}
+		else {
+			proxy = this.createFileProxy(file);
+			this.editor.insertElement(proxy.container);
+			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;
+	var link = new CKEDITOR.dom.element('a');
+	link.setAttribute('href', 'attachments/' + data.getAttribute('id'));
+	link.appendText(data.getAttribute('title'));
+	link.replace(item.container);
+};
+
+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');
+};
+
+PlinnCKDDUploader.prototype.progressHandler = function(evt) {
+	if (evt.lengthComputable) {
+		var progress = evt.loaded / evt.total;
+		this.progressHandlerCB(progress);
+	}
+};
+
+// Methods about 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;
+	}
+};
+
 var reSize = /getResizedImage\?size=(\d+)_(\d+)$/;
 
 function updateImageSizeUrlParameters(img) {
@@ -57,7 +222,11 @@ CKEDITOR.plugins.add( 'plinn_image',
 					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]';