13ce7f7f88d9aa09608fb931b41ac87e50dfb8c1
[ckeditor.git] / skins / ckeditor / plugins / plinn_image / plugin.js
1 /* © 2011 Benoît Pin, MINES ParisTech */
2
3
4 (function(){
5
6 var reImage = /^image\//;
7
8 var PlinnCKDDUploader = function(editor) {
9 this.editor = editor;
10 this.uploadUrl = editor.config.baseHref + 'attachments/put_upload';
11 this.uploadQueue = [];
12 this._uploadQueueRunning = false;
13 var self = this;
14 editor.document.on('dragenter', function(e) {self.dragenter(e);});
15 editor.document.on('dragover', function(e) {self.dragover(e);});
16 editor.document.on('drop', function(e) {self.drop(e);});
17 };
18
19 // Drag and drop
20 PlinnCKDDUploader.prototype.dragenter = function(e) {
21 var evt = e.data.$;
22 disableDefault(evt);
23 disablePropagation(evt);
24 };
25
26 PlinnCKDDUploader.prototype.dragover = function(e) {
27 var evt = e.data.$;
28 disableDefault(evt);
29 disablePropagation(evt);
30 evt = getEventObject(evt);
31 var dt = evt.dataTransfer;
32 dt.dropEffect = 'copy';
33 };
34
35 PlinnCKDDUploader.prototype.drop = function(e) {
36 var evt = e.data.$;
37 disableDefault(evt);
38 disablePropagation(evt);
39 getEventObject(evt);
40 var dt = evt.dataTransfer;
41 dt.dropEffect = 'copy';
42 this.handleFiles(dt.files);
43 };
44
45 PlinnCKDDUploader.prototype.createFileProxy = function(file) {
46 var container = new CKEDITOR.dom.element('span');
47 var rel = CKEDITOR.dom.element.createFromHtml('<span style="position:relative"/>');
48 container.append(rel);
49 var progressBar = CKEDITOR.dom.element.createFromHtml('<span style="display:block; position:absolute; background:#ef8e32; height:4px; border-radius:2px; width:0"/>')
50 rel.append(progressBar);
51 var link = new CKEDITOR.dom.element('a');
52 link.setAttribute('href', '#');
53 link.appendText(file.name);
54 container.append(link);
55
56 var proxy = {};
57 proxy.file = file;
58 proxy.container = container;
59 proxy.progressBar = progressBar;
60 proxy.link = link;
61 return proxy;
62 };
63
64 // Methods about upload
65 PlinnCKDDUploader.prototype.handleFiles = function(files) {
66 var file, i, proxy;
67 for (i=0 ; i<files.length ; i++) {
68 file = files[i];
69 if (reImage.test(file.type)) {
70 // TODO
71 }
72 else {
73 proxy = this.createFileProxy(file);
74 this.editor.insertElement(proxy.container);
75 this.uploadQueuePush(proxy);
76 }
77 }
78 };
79
80
81
82 PlinnCKDDUploader.prototype.beforeUpload = function(item) {
83 this.uploadedItem = item;
84 this.progressBar = item.progressBar;
85 this.progressBarMaxSize = item.container.getSize('width');
86 };
87
88
89 PlinnCKDDUploader.prototype.upload = function(item) {
90 // item.file must be the file to be uploaded
91 this.beforeUpload(item);
92 var reader = new FileReader();
93 var req = new XMLHttpRequest();
94 var file = item.file;
95
96 var self = this;
97
98 addListener(req.upload, 'progress', function(evt){self.progressHandler(evt);});
99 addListener(req, 'readystatechange',
100 function(evt) {
101 if (req.readyState === 4) {
102 self.uploadCompleteHandler(req);
103 }
104 });
105
106 req.open("PUT", this.uploadUrl);
107 req.setRequestHeader("Content-Type", file.type);
108 req.setRequestHeader("X-File-Name", encodeURI(file.name));
109 addListener(reader, 'load',
110 function(evt){
111 try {
112 req.sendAsBinary(evt.target.result);
113 }
114 catch(e){}
115 });
116 reader.readAsBinaryString(file);
117 };
118
119
120 PlinnCKDDUploader.prototype.uploadCompleteHandlerCB = function(req) {
121 var item = this.uploadedItem;
122 var data = req.responseXML.documentElement;
123 var link = new CKEDITOR.dom.element('a');
124 link.setAttribute('href', 'attachments/' + data.getAttribute('id'));
125 link.appendText(data.getAttribute('title'));
126 link.replace(item.container);
127 };
128
129 PlinnCKDDUploader.prototype.uploadCompleteHandler = function(req) {
130 this.uploadCompleteHandlerCB(req);
131 this.uploadQueueLoadNext();
132 };
133
134 PlinnCKDDUploader.prototype.progressHandlerCB = function(progress) {
135 // 0 <= progress <= 1
136 var size = this.progressBarMaxSize * progress;
137 size = Math.round(size);
138 this.progressBar.setStyle('width', String(size) + 'px');
139 };
140
141 PlinnCKDDUploader.prototype.progressHandler = function(evt) {
142 if (evt.lengthComputable) {
143 var progress = evt.loaded / evt.total;
144 this.progressHandlerCB(progress);
145 }
146 };
147
148 // Methods about queue
149 PlinnCKDDUploader.prototype.uploadQueuePush = function(item) {
150 this.uploadQueue.push(item);
151 if (!this._uploadQueueRunning) {
152 this.startUploadQueue();
153 }
154 };
155
156 PlinnCKDDUploader.prototype.startUploadQueue = function() {
157 this._uploadQueueRunning = true;
158 this.uploadQueueLoadNext();
159 };
160
161 PlinnCKDDUploader.prototype.uploadQueueLoadNext = function() {
162 var item = this.uploadQueue.shift();
163 if (item) {
164 this.upload(item);
165 }
166 else {
167 this._uploadQueueRunning = false;
168 }
169 };
170
171 var reSize = /getResizedImage\?size=(\d+)_(\d+)$/;
172
173 function updateImageSizeUrlParameters(img) {
174 if (reSize.test(img.src)){
175 var matches = reSize.exec(img.src);
176 var srcWidth = parseInt(matches[1], 10);
177 var srcHeight = parseInt(matches[2], 10);
178
179 var imgWidth = parseInt((img.style.width) ? img.style.width : img.width, 10);
180 var imgHeight = parseInt((img.style.height) ? img.style.height : img.height, 10);
181
182 if ((imgWidth && imgHeight) && srcWidth !== imgWidth && srcHeight !== imgHeight) {
183 var newUrl = img.getAttribute('src', 2).replace(reSize, 'getResizedImage?size=' + imgWidth + '_' + imgHeight);
184 img.width = imgWidth;
185 img.height = imgHeight;
186 img.src = newUrl;
187 }
188 }
189 }
190
191 function openPlinnImageDialog(path, editor) {
192 var winOptions = "location=no,menubar=no,toolbar=no,dependent=yes,dialog=yes,minimizable=no,modal=yes,alwaysRaised=yes" +
193 ",resizable=yes" +
194 ",width=801" +
195 ",height=600";
196 //",top=" + iTop +
197 //",left=" + iLeft ;
198
199 var win = open(path + 'dialog/plinn_image.html', 'PlinnImageDialog', winOptions);
200 win.dialogArguments = {};
201 win.dialogArguments.editor = editor;
202 win.dialogArguments.pluginPath = path;
203 win.dialogArguments.CKEDITOR = CKEDITOR;
204 }
205
206
207 CKEDITOR.plugins.add( 'plinn_image',
208 {
209 init : function( editor )
210 {
211 /* Add listener on getData event to compute images
212 src attributes before saving data.
213 */
214 editor.on('instanceReady', function(){
215 editor.on('getData',
216 function(evt) {
217 var tmpDiv = document.createElement('div');
218 tmpDiv.innerHTML = evt.data.dataValue;
219 var images = tmpDiv.getElementsByTagName('IMG');
220 var i;
221 for (i = 0 ; i < images.length ; i++) {
222 updateImageSizeUrlParameters(images[i]);}
223 evt.data.dataValue = tmpDiv.innerHTML;
224 }
225 );
226 // drag & drop upload initialisation
227 var dd = new PlinnCKDDUploader(editor);
228 });
229
230
231 var pluginPath = this.path;
232 var allowed = 'img[alt,!src]{border-style,border-width,float,height,margin,margin-bottom,margin-left,margin-right,margin-top,width}';
233 var required = 'img[alt,src]';
234 var command = editor.addCommand('plinn_image',
235 {
236 exec : function(editor){openPlinnImageDialog(pluginPath, editor);},
237 allowedContent: allowed,
238 requiredContent: required
239 }
240 );
241
242 editor.ui.addButton('PlinnImage',
243 {
244 label : editor.lang.common.image,
245 icon : pluginPath + 'dialog/plinn_image.png',
246 command : 'plinn_image'
247 });
248 }
249
250 });
251
252 }());