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
 106                                         if (!isNaN(newHeight)) {
 107                                                 heightCtrl.value(newHeight);
 108                                         }
 109                                 } else {
 110                                         newWidth = Math.round((newHeight / height) * newWidth);
 111
 112                                         if (!isNaN(newWidth)) {
 113                                                 widthCtrl.value(newWidth);
 114                                         }
 115                                 }
 116                         }
 117
 118                         width = newWidth;
 119                         height = newHeight;
 120                 }
 121
 122                 function onSubmitForm() {
 123                         function waitLoad(imgElm) {
 124                                 function selectImage() {
 125                                         imgElm.onload = imgElm.onerror = null;
 126
 127                                         if (editor.selection) {
 128                                                 editor.selection.select(imgElm);
 129                                                 editor.nodeChanged();
 130                                         }
 131                                 }
 132
 133                                 imgElm.onload = function() {
 134                                         if (!data.width && !data.height && imageDimensions) {
 135                                                 dom.setAttribs(imgElm, {
 136                                                         width: imgElm.clientWidth,
 137                                                         height: imgElm.clientHeight
 138                                                 });
 139                                                 //WP
 140                                                 editor.fire( 'wpNewImageRefresh', { node: imgElm } );
 141                                         }
 142
 143                                         selectImage();
 144                                 };
 145
 146                                 imgElm.onerror = selectImage;
 147                         }
 148
 149                         updateStyle();
 150                         recalcSize();
 151
 152                         data = tinymce.extend(data, win.toJSON());
 153                         var caption = data.caption; // WP
 154
 155                         if (!data.alt) {
 156                                 data.alt = '';
 157                         }
 158
 159                         if (!data.title) {
 160                                 data.title = '';
 161                         }
 162
 163                         if (data.width === '') {
 164                                 data.width = null;
 165                         }
 166
 167                         if (data.height === '') {
 168                                 data.height = null;
 169                         }
 170
 171                         if (!data.style) {
 172                                 data.style = null;
 173                         }
 174
 175                         // Setup new data excluding style properties
 176                         /*eslint dot-notation: 0*/
 177                         data = {
 178                                 src: data.src,
 179                                 alt: data.alt,
 180                                 title: data.title,
 181                                 width: data.width,
 182                                 height: data.height,
 183                                 style: data.style,
 184                                 "class": data["class"]
 185                         };
 186
 187                         editor.undoManager.transact(function() {
 188                                 // WP
 189                                 var eventData = { node: imgElm, data: data, caption: caption };
 190
 191                                 editor.fire( 'wpImageFormSubmit', { imgData: eventData } );
 192
 193                                 if ( eventData.cancel ) {
 194                                         waitLoad( eventData.node );
 195                                         return;
 196                                 }
 197                                 // WP end
 198
 199                                 if (!data.src) {
 200                                         if (imgElm) {
 201                                                 dom.remove(imgElm);
 202                                                 editor.focus();
 203                                                 editor.nodeChanged();
 204                                         }
 205
 206                                         return;
 207                                 }
 208
 209                                 if (data.title === "") {
 210                                         data.title = null;
 211                                 }
 212
 213                                 if (!imgElm) {
 214                                         data.id = '__mcenew';
 215                                         editor.focus();
 216                                         editor.selection.setContent(dom.createHTML('img', data));
 217                                         imgElm = dom.get('__mcenew');
 218                                         dom.setAttrib(imgElm, 'id', null);
 219                                 } else {
 220                                         dom.setAttribs(imgElm, data);
 221                                 }
 222
 223                                 waitLoad(imgElm);
 224                         });
 225                 }
 226
 227                 function removePixelSuffix(value) {
 228                         if (value) {
 229                                 value = value.replace(/px$/, '');
 230                         }
 231
 232                         return value;
 233                 }
 234
 235                 function srcChange(e) {
 236                         var srcURL, prependURL, absoluteURLPattern, meta = e.meta || {};
 237
 238                         if (imageListCtrl) {
 239                                 imageListCtrl.value(editor.convertURL(this.value(), 'src'));
 240                         }
 241
 242                         tinymce.each(meta, function(value, key) {
 243                                 win.find('#' + key).value(value);
 244                         });
 245
 246                         if (!meta.width && !meta.height) {
 247                                 srcURL = editor.convertURL(this.value(), 'src');
 248
 249                                 // Pattern test the src url and make sure we haven't already prepended the url
 250                                 prependURL = editor.settings.image_prepend_url;
 251                                 absoluteURLPattern = new RegExp('^(?:[a-z]+:)?//', 'i');
 252                                 if (prependURL && !absoluteURLPattern.test(srcURL) && srcURL.substring(0, prependURL.length) !== prependURL) {
 253                                         srcURL = prependURL + srcURL;
 254                                 }
 255
 256                                 this.value(srcURL);
 257
 258                                 getImageSize(editor.documentBaseURI.toAbsolute(this.value()), function(data) {
 259                                         if (data.width && data.height && imageDimensions) {
 260                                                 width = data.width;
 261                                                 height = data.height;
 262
 263                                                 win.find('#width').value(width);
 264                                                 win.find('#height').value(height);
 265                                         }
 266                                 });
 267                         }
 268                 }
 269
 270                 width = dom.getAttrib(imgElm, 'width');
 271                 height = dom.getAttrib(imgElm, 'height');
 272
 273                 if (imgElm.nodeName == 'IMG' && !imgElm.getAttribute('data-mce-object') && !imgElm.getAttribute('data-mce-placeholder')) {
 274                         data = {
 275                                 src: dom.getAttrib(imgElm, 'src'),
 276                                 alt: dom.getAttrib(imgElm, 'alt'),
 277                                 title: dom.getAttrib(imgElm, 'title'),
 278                                 "class": dom.getAttrib(imgElm, 'class'),
 279                                 width: width,
 280                                 height: height
 281                         };
 282
 283                         // WP
 284                         editor.fire( 'wpLoadImageData', { imgData: { data: data, node: imgElm } } );
 285                 } else {
 286                         imgElm = null;
 287                 }
 288
 289                 if (imageList) {
 290                         imageListCtrl = {
 291                                 type: 'listbox',
 292                                 label: 'Image list',
 293                                 values: buildListItems(
 294                                         imageList,
 295                                         function(item) {
 296                                                 item.value = editor.convertURL(item.value || item.url, 'src');
 297                                         },
 298                                         [{text: 'None', value: ''}]
 299                                 ),
 300                                 value: data.src && editor.convertURL(data.src, 'src'),
 301                                 onselect: function(e) {
 302                                         var altCtrl = win.find('#alt');
 303
 304                                         if (!altCtrl.value() || (e.lastControl && altCtrl.value() == e.lastControl.text())) {
 305                                                 altCtrl.value(e.control.text());
 306                                         }
 307
 308                                         win.find('#src').value(e.control.value()).fire('change');
 309                                 },
 310                                 onPostRender: function() {
 311                                         imageListCtrl = this;
 312                                 }
 313                         };
 314                 }
 315
 316                 if (editor.settings.image_class_list) {
 317                         classListCtrl = {
 318                                 name: 'class',
 319                                 type: 'listbox',
 320                                 label: 'Class',
 321                                 values: buildListItems(
 322                                         editor.settings.image_class_list,
 323                                         function(item) {
 324                                                 if (item.value) {
 325                                                         item.textStyle = function() {
 326                                                                 return editor.formatter.getCssText({inline: 'img', classes: [item.value]});
 327                                                         };
 328                                                 }
 329                                         }
 330                                 )
 331                         };
 332                 }
 333
 334                 // General settings shared between simple and advanced dialogs
 335                 var generalFormItems = [
 336                         {
 337                                 name: 'src',
 338                                 type: 'filepicker',
 339                                 filetype: 'image',
 340                                 label: 'Source',
 341                                 autofocus: true,
 342                                 onchange: srcChange
 343                         },
 344                         imageListCtrl
 345                 ];
 346
 347                 if (editor.settings.image_description !== false) {
 348                         generalFormItems.push({name: 'alt', type: 'textbox', label: 'Image description'});
 349                 }
 350
 351                 if (editor.settings.image_title) {
 352                         generalFormItems.push({name: 'title', type: 'textbox', label: 'Image Title'});
 353                 }
 354
 355                 if (imageDimensions) {
 356                         generalFormItems.push({
 357                                 type: 'container',
 358                                 label: 'Dimensions',
 359                                 layout: 'flex',
 360                                 direction: 'row',
 361                                 align: 'center',
 362                                 spacing: 5,
 363                                 items: [
 364                                         {name: 'width', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Width'},
 365                                         {type: 'label', text: 'x'},
 366                                         {name: 'height', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Height'},
 367                                         {name: 'constrain', type: 'checkbox', checked: true, text: 'Constrain proportions'}
 368                                 ]
 369                         });
 370                 }
 371
 372                 generalFormItems.push(classListCtrl);
 373
 374                 // WP
 375                 editor.fire( 'wpLoadImageForm', { data: generalFormItems } );
 376
 377                 function mergeMargins(css) {
 378                         if (css.margin) {
 379
 380                                 var splitMargin = css.margin.split(" ");
 381
 382                                 switch (splitMargin.length) {
 383                                         case 1: //margin: toprightbottomleft;
 384                                                 css['margin-top'] = css['margin-top'] || splitMargin[0];
 385                                                 css['margin-right'] = css['margin-right'] || splitMargin[0];
 386                                                 css['margin-bottom'] = css['margin-bottom'] || splitMargin[0];
 387                                                 css['margin-left'] = css['margin-left'] || splitMargin[0];
 388                                                 break;
 389                                         case 2: //margin: topbottom rightleft;
 390                                                 css['margin-top'] = css['margin-top'] || splitMargin[0];
 391                                                 css['margin-right'] = css['margin-right'] || splitMargin[1];
 392                                                 css['margin-bottom'] = css['margin-bottom'] || splitMargin[0];
 393                                                 css['margin-left'] = css['margin-left'] || splitMargin[1];
 394                                                 break;
 395                                         case 3: //margin: top rightleft bottom;
 396                                                 css['margin-top'] = css['margin-top'] || splitMargin[0];
 397                                                 css['margin-right'] = css['margin-right'] || splitMargin[1];
 398                                                 css['margin-bottom'] = css['margin-bottom'] || splitMargin[2];
 399                                                 css['margin-left'] = css['margin-left'] || splitMargin[1];
 400                                                 break;
 401                                         case 4: //margin: top right bottom left;
 402                                                 css['margin-top'] = css['margin-top'] || splitMargin[0];
 403                                                 css['margin-right'] = css['margin-right'] || splitMargin[1];
 404                                                 css['margin-bottom'] = css['margin-bottom'] || splitMargin[2];
 405                                                 css['margin-left'] = css['margin-left'] || splitMargin[3];
 406                                 }
 407                                 delete css.margin;
 408                         }
 409                         return css;
 410                 }
 411
 412                 function updateStyle() {
 413                         function addPixelSuffix(value) {
 414                                 if (value.length > 0 && /^[0-9]+$/.test(value)) {
 415                                         value += 'px';
 416                                 }
 417
 418                                 return value;
 419                         }
 420
 421                         if (!editor.settings.image_advtab) {
 422                                 return;
 423                         }
 424
 425                         var data = win.toJSON(),
 426                                 css = dom.parseStyle(data.style);
 427
 428                         css = mergeMargins(css);
 429
 430                         if (data.vspace) {
 431                                 css['margin-top'] = css['margin-bottom'] = addPixelSuffix(data.vspace);
 432                         }
 433                         if (data.hspace) {
 434                                 css['margin-left'] = css['margin-right'] = addPixelSuffix(data.hspace);
 435                         }
 436                         if (data.border) {
 437                                 css['border-width'] = addPixelSuffix(data.border);
 438                         }
 439
 440                         win.find('#style').value(dom.serializeStyle(dom.parseStyle(dom.serializeStyle(css))));
 441                 }
 442
 443                 function updateVSpaceHSpaceBorder() {
 444                         if (!editor.settings.image_advtab) {
 445                                 return;
 446                         }
 447
 448                         var data = win.toJSON(),
 449                                 css = dom.parseStyle(data.style);
 450
 451                         win.find('#vspace').value("");
 452                         win.find('#hspace').value("");
 453
 454                         css = mergeMargins(css);
 455
 456                         //Move opposite equal margins to vspace/hspace field
 457                         if ((css['margin-top'] && css['margin-bottom']) || (css['margin-right'] && css['margin-left'])) {
 458                                 if (css['margin-top'] === css['margin-bottom']) {
 459                                         win.find('#vspace').value(removePixelSuffix(css['margin-top']));
 460                                 } else {
 461                                         win.find('#vspace').value('');
 462                                 }
 463                                 if (css['margin-right'] === css['margin-left']) {
 464                                         win.find('#hspace').value(removePixelSuffix(css['margin-right']));
 465                                 } else {
 466                                         win.find('#hspace').value('');
 467                                 }
 468                         }
 469
 470                         //Move border-width
 471                         if (css['border-width']) {
 472                                 win.find('#border').value(removePixelSuffix(css['border-width']));
 473                         }
 474
 475                         win.find('#style').value(dom.serializeStyle(dom.parseStyle(dom.serializeStyle(css))));
 476
 477                 }
 478
 479                 if (editor.settings.image_advtab) {
 480                         // Parse styles from img
 481                         if (imgElm) {
 482                                 if (imgElm.style.marginLeft && imgElm.style.marginRight && imgElm.style.marginLeft === imgElm.style.marginRight) {
 483                                         data.hspace = removePixelSuffix(imgElm.style.marginLeft);
 484                                 }
 485                                 if (imgElm.style.marginTop && imgElm.style.marginBottom && imgElm.style.marginTop === imgElm.style.marginBottom) {
 486                                         data.vspace = removePixelSuffix(imgElm.style.marginTop);
 487                                 }
 488                                 if (imgElm.style.borderWidth) {
 489                                         data.border = removePixelSuffix(imgElm.style.borderWidth);
 490                                 }
 491
 492                                 data.style = editor.dom.serializeStyle(editor.dom.parseStyle(editor.dom.getAttrib(imgElm, 'style')));
 493                         }
 494
 495                         // Advanced dialog shows general+advanced tabs
 496                         win = editor.windowManager.open({
 497                                 title: 'Insert/edit image',
 498                                 data: data,
 499                                 bodyType: 'tabpanel',
 500                                 body: [
 501                                         {
 502                                                 title: 'General',
 503                                                 type: 'form',
 504                                                 items: generalFormItems
 505                                         },
 506
 507                                         {
 508                                                 title: 'Advanced',
 509                                                 type: 'form',
 510                                                 pack: 'start',
 511                                                 items: [
 512                                                         {
 513                                                                 label: 'Style',
 514                                                                 name: 'style',
 515                                                                 type: 'textbox',
 516                                                                 onchange: updateVSpaceHSpaceBorder
 517                                                         },
 518                                                         {
 519                                                                 type: 'form',
 520                                                                 layout: 'grid',
 521                                                                 packV: 'start',
 522                                                                 columns: 2,
 523                                                                 padding: 0,
 524                                                                 alignH: ['left', 'right'],
 525                                                                 defaults: {
 526                                                                         type: 'textbox',
 527                                                                         maxWidth: 50,
 528                                                                         onchange: updateStyle
 529                                                                 },
 530                                                                 items: [
 531                                                                         {label: 'Vertical space', name: 'vspace'},
 532                                                                         {label: 'Horizontal space', name: 'hspace'},
 533                                                                         {label: 'Border', name: 'border'}
 534                                                                 ]
 535                                                         }
 536                                                 ]
 537                                         }
 538                                 ],
 539                                 onSubmit: onSubmitForm
 540                         });
 541                 } else {
 542                         // Simple default dialog
 543                         win = editor.windowManager.open({
 544                                 title: 'Insert/edit image',
 545                                 data: data,
 546                                 body: generalFormItems,
 547                                 onSubmit: onSubmitForm
 548                         });
 549                 }
 550         }
 551
 552         editor.addButton('image', {
 553                 icon: 'image',
 554                 tooltip: 'Insert/edit image',
 555                 onclick: createImageList(showDialog),
 556                 stateSelector: 'img:not([data-mce-object],[data-mce-placeholder])'
 557         });
 558
 559         editor.addMenuItem('image', {
 560                 icon: 'image',
 561                 text: 'Insert/edit image',
 562                 onclick: createImageList(showDialog),
 563                 context: 'insert',
 564                 prependToContext: true
 565         });
 566
 567         editor.addCommand('mceImage', createImageList(showDialog));
 568 });