X-Git-Url: https://scm.cri.ensmp.fr/git/ckeditor.git/blobdiff_plain/45e45b704882d7f41ca8f80b2ab69ab6a6a8e4b7..e26345ed9b0afe560d7f06d8cbbc9698eba433d2:/skins/ckeditor/plugins/plinn_image/plugin.js

diff --git a/skins/ckeditor/plugins/plinn_image/plugin.js b/skins/ckeditor/plugins/plinn_image/plugin.js
index 7181a9e..3e2606c 100644
--- a/skins/ckeditor/plugins/plinn_image/plugin.js
+++ b/skins/ckeditor/plugins/plinn_image/plugin.js
@@ -1,20 +1,305 @@
-/* © Benoît Pin, MINES ParisTech */
+/* © 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]);
-		var srcHeight = parseInt(matches[2]);
+		var srcWidth = parseInt(matches[1], 10);
+		var srcHeight = parseInt(matches[2], 10);
 	
-		var imgWidth = parseInt((img.style.width) ? img.style.width : img.width);
-		var imgHeight = parseInt((img.style.height) ? img.style.height : img.height);
+		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) {
+		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;
@@ -23,23 +308,65 @@ function updateImageSizeUrlParameters(img) {
 	}
 }
 
+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 body = evt.editor.document.$.body;
-					var images = body.getElementsByTagName('IMG');
-					for (var i = 0 ; i < images.length ; i++)
-						updateImageSizeUrlParameters(images[i]);
-					evt.data.dataValue = evt.editor.document.$.body.innerHTML;
+					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'
+			});
 	}
+	
 });
 
-})();
+}());