wp-includes/js/tinymce/plugins/image/plugin.js

   1 /**
   2  * plugin.js
   3  *
   4  * Copyright, Moxiecode Systems AB
   5  * Released under LGPL License.
   6  *
   7  * License: http://www.tinymce.com/license
   8  * Contributing: http://www.tinymce.com/contributing
   9  */
  10
  11 /*global tinymce:true */
  12
  13 tinymce.PluginManager.add('image', function(editor) {
  14         function getImageSize(url, callback) {
  15                 var img = document.createElement('img');
  16
  17                 function done(width, height) {
  18                         if (img.parentNode) {
  19                                 img.parentNode.removeChild(img);
  20                         }
  21
  22                         callback({width: width, height: height});
  23                 }
  24
  25                 img.onload = function() {
  26                         done(img.clientWidth, img.clientHeight);
  27                 };
  28
  29                 img.onerror = function() {
  30                         done();
  31                 };
  32
  33                 var style = img.style;
  34                 style.visibility = 'hidden';
  35                 style.position = 'fixed';
  36                 style.bottom = style.left = 0;
  37                 style.width = style.height = 'auto';
  38
  39                 document.body.appendChild(img);
  40                 img.src = url;
  41         }
  42
  43         function buildListItems(inputList, itemCallback, startItems) {
  44                 function appendItems(values, output) {
  45                         output = output || [];
  46
  47                         tinymce.each(values, function(item) {
  48                                 var menuItem = {text: item.text || item.title};
  49
  50                                 if (item.menu) {
  51                                         menuItem.menu = appendItems(item.menu);
  52                                 } else {
  53                                         menuItem.value = item.value;
  54                                         itemCallback(menuItem);
  55                                 }
  56
  57                                 output.push(menuItem);
  58                         });
  59
  60                         return output;
  61                 }
  62
  63                 return appendItems(inputList, startItems || []);
  64         }
  65
  66         function createImageList(callback) {
  67                 return function() {
  68                         var imageList = editor.settings.image_list;
  69
  70                         if (typeof(imageList) == "string") {
  71                                 tinymce.util.XHR.send({
  72                                         url: imageList,
  73                                         success: function(text) {
  74                                                 callback(tinymce.util.JSON.parse(text));
  75                                         }
  76                                 });
  77                         } else if (typeof(imageList) == "function") {
  78                                 imageList(callback);
  79                         } else {
  80                                 callback(imageList);
  81                         }
  82                 };
  83         }
  84
  85         function showDialog(imageList) {
  86                 var win, data = {}, dom = editor.dom, imgElm = editor.selection.getNode();
  87                 var width, height, imageListCtrl, classListCtrl, imageDimensions = editor.settings.image_dimensions !== false;
  88
  89                 function recalcSize() {
  90                         var widthCtrl, heightCtrl, newWidth, newHeight;
  91
  92                         widthCtrl = win.find('#width')[0];
  93                         heightCtrl = win.find('#height')[0];
  94
  95                         if (!widthCtrl || !heightCtrl) {
  96                                 return;
  97                         }
  98
  99                         newWidth = widthCtrl.value();
 100                         newHeight = heightCtrl.value();
 101
 102                         if (win.find('#constrain')[0].checked() && width && height && newWidth && newHeight) {
 103                                 if (width != newWidth) {
 104                                         newHeight = Math.round((newWidth / width) * newHeight);
 105                                         heightCtrl.value(newHeight);
 106                                 } else {
 107                                         newWidth = Math.round((newHeight / height) * newWidth);
 108                                         widthCtrl.value(newWidth);
 109                                 }
 110                         }
 111
 112                         width = newWidth;
 113                         height = newHeight;
 114                 }
 115
 116                 function onSubmitForm() {
 117                         function waitLoad(imgElm) {
 118                                 function selectImage() {
 119                                         imgElm.onload = imgElm.onerror = null;
 120
 121                                         if (editor.selection) {
 122                                                 editor.selection.select(imgElm);
 123                                                 editor.nodeChanged();
 124                                         }
 125                                 }
 126
 127                                 imgElm.onload = function() {
 128                                         if (!data.width && !data.height && imageDimensions) {
 129                                                 dom.setAttribs(imgElm, {
 130                                                         width: imgElm.clientWidth,
 131                                                         height: imgElm.clientHeight
 132                                                 });
 133                                                 //WP
 134                                                 editor.fire( 'wpNewImageRefresh', { node: imgElm } );
 135                                         }
 136
 137                                         selectImage();
 138                                 };
 139
 140                                 imgElm.onerror = selectImage;
 141                         }
 142
 143                         updateStyle();
 144                         recalcSize();
 145
 146                         data = tinymce.extend(data, win.toJSON());
 147                         var caption = data.caption; // WP
 148
 149                         if (!data.alt) {
 150                                 data.alt = '';
 151                         }
 152
 153                         if (data.width === '') {
 154                                 data.width = null;
 155                         }
 156
 157                         if (data.height === '') {
 158                                 data.height = null;
 159                         }
 160
 161                         if (!data.style) {
 162                                 data.style = null;
 163                         }
 164
 165                         // Setup new data excluding style properties
 166                         data = {
 167                                 src: data.src,
 168                                 alt: data.alt,
 169                                 width: data.width,
 170                                 height: data.height,
 171                                 style: data.style,
 172                                 "class": data["class"]
 173                         };
 174
 175                         editor.undoManager.transact(function() {
 176                                 // WP
 177                                 var eventData = { node: imgElm, data: data, caption: caption };
 178
 179                                 editor.fire( 'wpImageFormSubmit', { imgData: eventData } );
 180
 181                                 if ( eventData.cancel ) {
 182                                         waitLoad( eventData.node );
 183                                         return;
 184                                 }
 185                                 // WP end
 186
 187                                 if (!data.src) {
 188                                         if (imgElm) {
 189                                                 dom.remove(imgElm);
 190                                                 editor.focus();
 191                                                 editor.nodeChanged();
 192                                         }
 193
 194                                         return;
 195                                 }
 196
 197                                 if (!imgElm) {
 198                                         data.id = '__mcenew';
 199                                         editor.focus();
 200                                         editor.selection.setContent(dom.createHTML('img', data));
 201                                         imgElm = dom.get('__mcenew');
 202                                         dom.setAttrib(imgElm, 'id', null);
 203                                 } else {
 204                                         dom.setAttribs(imgElm, data);
 205                                 }
 206
 207                                 waitLoad(imgElm);
 208                         });
 209                 }
 210
 211                 function removePixelSuffix(value) {
 212                         if (value) {
 213                                 value = value.replace(/px$/, '');
 214                         }
 215
 216                         return value;
 217                 }
 218
 219                 function srcChange(e) {
 220                         var meta = e.meta || {};
 221
 222                         if (imageListCtrl) {
 223                                 imageListCtrl.value(editor.convertURL(this.value(), 'src'));
 224                         }
 225
 226                         tinymce.each(meta, function(value, key) {
 227                                 win.find('#' + key).value(value);
 228                         });
 229
 230                         if (!meta.width && !meta.height) {
 231                                 getImageSize(this.value(), function(data) {
 232                                         if (data.width && data.height && imageDimensions) {
 233                                                 width = data.width;
 234                                                 height = data.height;
 235
 236                                                 win.find('#width').value(width);
 237                                                 win.find('#height').value(height);
 238                                         }
 239                                 });
 240                         }
 241                 }
 242
 243                 width = dom.getAttrib(imgElm, 'width');
 244                 height = dom.getAttrib(imgElm, 'height');
 245
 246                 if (imgElm.nodeName == 'IMG' && !imgElm.getAttribute('data-mce-object') && !imgElm.getAttribute('data-mce-placeholder')) {
 247                         data = {
 248                                 src: dom.getAttrib(imgElm, 'src'),
 249                                 alt: dom.getAttrib(imgElm, 'alt'),
 250                                 "class": dom.getAttrib(imgElm, 'class'),
 251                                 width: width,
 252                                 height: height
 253                         };
 254
 255                         // WP
 256                         editor.fire( 'wpLoadImageData', { imgData: { data: data, node: imgElm } } );
 257                 } else {
 258                         imgElm = null;
 259                 }
 260
 261                 if (imageList) {
 262                         imageListCtrl = {
 263                                 type: 'listbox',
 264                                 label: 'Image list',
 265                                 values: buildListItems(
 266                                         imageList,
 267                                         function(item) {
 268                                                 item.value = editor.convertURL(item.value || item.url, 'src');
 269                                         },
 270                                         [{text: 'None', value: ''}]
 271                                 ),
 272                                 value: data.src && editor.convertURL(data.src, 'src'),
 273                                 onselect: function(e) {
 274                                         var altCtrl = win.find('#alt');
 275
 276                                         if (!altCtrl.value() || (e.lastControl && altCtrl.value() == e.lastControl.text())) {
 277                                                 altCtrl.value(e.control.text());
 278                                         }
 279
 280                                         win.find('#src').value(e.control.value()).fire('change');
 281                                 },
 282                                 onPostRender: function() {
 283                                         imageListCtrl = this;
 284                                 }
 285                         };
 286                 }
 287
 288                 if (editor.settings.image_class_list) {
 289                         classListCtrl = {
 290                                 name: 'class',
 291                                 type: 'listbox',
 292                                 label: 'Class',
 293                                 values: buildListItems(
 294                                         editor.settings.image_class_list,
 295                                         function(item) {
 296                                                 if (item.value) {
 297                                                         item.textStyle = function() {
 298                                                                 return editor.formatter.getCssText({inline: 'img', classes: [item.value]});
 299                                                         };
 300                                                 }
 301                                         }
 302                                 )
 303                         };
 304                 }
 305
 306                 // General settings shared between simple and advanced dialogs
 307                 var generalFormItems = [
 308                         {
 309                                 name: 'src',
 310                                 type: 'filepicker',
 311                                 filetype: 'image',
 312                                 label: 'Source',
 313                                 autofocus: true,
 314                                 onchange: srcChange
 315                         },
 316                         imageListCtrl
 317                 ];
 318
 319                 if (editor.settings.image_description !== false) {
 320                         generalFormItems.push({name: 'alt', type: 'textbox', label: 'Image description'});
 321                 }
 322
 323                 if (imageDimensions) {
 324                         generalFormItems.push({
 325                                 type: 'container',
 326                                 label: 'Dimensions',
 327                                 layout: 'flex',
 328                                 direction: 'row',
 329                                 align: 'center',
 330                                 spacing: 5,
 331                                 items: [
 332                                         {name: 'width', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Width'},
 333                                         {type: 'label', text: 'x'},
 334                                         {name: 'height', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Height'},
 335                                         {name: 'constrain', type: 'checkbox', checked: true, text: 'Constrain proportions'}
 336                                 ]
 337                         });
 338                 }
 339
 340                 generalFormItems.push(classListCtrl);
 341
 342                 // WP
 343                 editor.fire( 'wpLoadImageForm', { data: generalFormItems } );
 344
 345                 function updateStyle() {
 346                         function addPixelSuffix(value) {
 347                                 if (value.length > 0 && /^[0-9]+$/.test(value)) {
 348                                         value += 'px';
 349                                 }
 350
 351                                 return value;
 352                         }
 353
 354                         if (!editor.settings.image_advtab) {
 355                                 return;
 356                         }
 357
 358                         var data = win.toJSON();
 359                         var css = dom.parseStyle(data.style);
 360
 361                         delete css.margin;
 362                         css['margin-top'] = css['margin-bottom'] = addPixelSuffix(data.vspace);
 363                         css['margin-left'] = css['margin-right'] = addPixelSuffix(data.hspace);
 364                         css['border-width'] = addPixelSuffix(data.border);
 365
 366                         win.find('#style').value(dom.serializeStyle(dom.parseStyle(dom.serializeStyle(css))));
 367                 }
 368
 369                 if (editor.settings.image_advtab) {
 370                         // Parse styles from img
 371                         if (imgElm) {
 372                                 data.hspace = removePixelSuffix(imgElm.style.marginLeft || imgElm.style.marginRight);
 373                                 data.vspace = removePixelSuffix(imgElm.style.marginTop || imgElm.style.marginBottom);
 374                                 data.border = removePixelSuffix(imgElm.style.borderWidth);
 375                                 data.style = editor.dom.serializeStyle(editor.dom.parseStyle(editor.dom.getAttrib(imgElm, 'style')));
 376                         }
 377
 378                         // Advanced dialog shows general+advanced tabs
 379                         win = editor.windowManager.open({
 380                                 title: 'Insert/edit image',
 381                                 data: data,
 382                                 bodyType: 'tabpanel',
 383                                 body: [
 384                                         {
 385                                                 title: 'General',
 386                                                 type: 'form',
 387                                                 items: generalFormItems
 388                                         },
 389
 390                                         {
 391                                                 title: 'Advanced',
 392                                                 type: 'form',
 393                                                 pack: 'start',
 394                                                 items: [
 395                                                         {
 396                                                                 label: 'Style',
 397                                                                 name: 'style',
 398                                                                 type: 'textbox'
 399                                                         },
 400                                                         {
 401                                                                 type: 'form',
 402                                                                 layout: 'grid',
 403                                                                 packV: 'start',
 404                                                                 columns: 2,
 405                                                                 padding: 0,
 406                                                                 alignH: ['left', 'right'],
 407                                                                 defaults: {
 408                                                                         type: 'textbox',
 409                                                                         maxWidth: 50,
 410                                                                         onchange: updateStyle
 411                                                                 },
 412                                                                 items: [
 413                                                                         {label: 'Vertical space', name: 'vspace'},
 414                                                                         {label: 'Horizontal space', name: 'hspace'},
 415                                                                         {label: 'Border', name: 'border'}
 416                                                                 ]
 417                                                         }
 418                                                 ]
 419                                         }
 420                                 ],
 421                                 onSubmit: onSubmitForm
 422                         });
 423                 } else {
 424                         // Simple default dialog
 425                         win = editor.windowManager.open({
 426                                 title: 'Insert/edit image',
 427                                 data: data,
 428                                 body: generalFormItems,
 429                                 onSubmit: onSubmitForm
 430                         });
 431                 }
 432         }
 433
 434         editor.addButton('image', {
 435                 icon: 'image',
 436                 tooltip: 'Insert/edit image',
 437                 onclick: createImageList(showDialog),
 438                 stateSelector: 'img:not([data-mce-object],[data-mce-placeholder])'
 439         });
 440
 441         editor.addMenuItem('image', {
 442                 icon: 'image',
 443                 text: 'Insert image',
 444                 onclick: createImageList(showDialog),
 445                 context: 'insert',
 446                 prependToContext: true
 447         });
 448
 449         editor.addCommand('mceImage', createImageList(showDialog));
 450 });