Canevas pour un nouveau plugin d'application de styles basés sur des classes css...
[ckeditor.git] / skins / ckeditor / plugins / plinn_image / plugin.js
index 0220127..3e2606c 100644 (file)
@@ -4,12 +4,17 @@
 (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);});
@@ -42,38 +47,90 @@ PlinnCKDDUploader.prototype.drop = function(e) {
        this.handleFiles(dt.files);
 };
 
-PlinnCKDDUploader.prototype.createFileProxy = function(file) {
+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"/>')
+       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 = new Object();
+       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)) {
-                       // TODO
+                       proxy = this.createImageProxy(file);
+                       this.previewQueuePush(proxy);
                }
                else {
-                       proxy = this.createFileProxy(file);
-                       this.editor.insertElement(proxy.container);
-                       this.uploadQueuePush(proxy);
+                       proxy = this.createLinkProxy(file);
                }
+               this.editor.insertElement(proxy.container);
+               if (files.length > 1 && i < files.length-1) {
+                       this.editor.insertText('\n'); }
+               this.uploadQueuePush(proxy);
        }
 };
 
@@ -120,10 +177,24 @@ PlinnCKDDUploader.prototype.upload = function(item) {
 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);
+       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) {
@@ -136,6 +207,17 @@ PlinnCKDDUploader.prototype.progressHandlerCB = function(progress) {
        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) {
@@ -145,7 +227,7 @@ PlinnCKDDUploader.prototype.progressHandler = function(evt) {
        }
 };
 
-// Methods about queue
+// Methods about upload queue
 PlinnCKDDUploader.prototype.uploadQueuePush = function(item) {
        this.uploadQueue.push(item);
        if (!this._uploadQueueRunning) {
@@ -168,18 +250,56 @@ PlinnCKDDUploader.prototype.uploadQueueLoadNext = function() {
        }
 };
 
+// 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;
@@ -197,7 +317,7 @@ function openPlinnImageDialog(path, editor) {
                //",left=" + iLeft ;
        
        var win = open(path + 'dialog/plinn_image.html', 'PlinnImageDialog', winOptions);
-       win.dialogArguments = new Object();
+       win.dialogArguments = {};
        win.dialogArguments.editor = editor;
        win.dialogArguments.pluginPath = path;
        win.dialogArguments.CKEDITOR = CKEDITOR;
@@ -217,8 +337,9 @@ CKEDITOR.plugins.add( 'plinn_image',
                                        var tmpDiv = document.createElement('div');
                                        tmpDiv.innerHTML = evt.data.dataValue;
                                        var images = tmpDiv.getElementsByTagName('IMG');
-                                       for (var i = 0 ; i < images.length ; i++)
-                                               updateImageSizeUrlParameters(images[i]);
+                                       var i;
+                                       for (i = 0 ; i < images.length ; i++) {
+                                               updateImageSizeUrlParameters(images[i]);}
                                        evt.data.dataValue = tmpDiv.innerHTML;
                                }
                        );
@@ -248,4 +369,4 @@ CKEDITOR.plugins.add( 'plinn_image',
        
 });
 
-})();
+}());