wp/wp-includes/js/tinymce/plugins/image/plugin.js
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     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 });