wp-admin/js/editor.js

   1
   2 ( function( $ ) {
   3         function SwitchEditors() {
   4                 var tinymce, $$,
   5                         exports = {};
   6
   7                 function init() {
   8                         if ( ! tinymce && window.tinymce ) {
   9                                 tinymce = window.tinymce;
  10                                 $$ = tinymce.$;
  11
  12                                 $$( document ).on( 'click', function( event ) {
  13                                         var id, mode,
  14                                                 target = $$( event.target );
  15
  16                                         if ( target.hasClass( 'wp-switch-editor' ) ) {
  17                                                 id = target.attr( 'data-wp-editor-id' );
  18                                                 mode = target.hasClass( 'switch-tmce' ) ? 'tmce' : 'html';
  19                                                 switchEditor( id, mode );
  20                                         }
  21                                 });
  22                         }
  23                 }
  24
  25                 function getToolbarHeight( editor ) {
  26                         var node = $$( '.mce-toolbar-grp', editor.getContainer() )[0],
  27                                 height = node && node.clientHeight;
  28
  29                         if ( height && height > 10 && height < 200 ) {
  30                                 return parseInt( height, 10 );
  31                         }
  32
  33                         return 30;
  34                 }
  35
  36                 function switchEditor( id, mode ) {
  37                         id = id || 'content';
  38                         mode = mode || 'toggle';
  39
  40                         var editorHeight, toolbarHeight, iframe,
  41                                 editor = tinymce.get( id ),
  42                                 wrap = $$( '#wp-' + id + '-wrap' ),
  43                                 $textarea = $$( '#' + id ),
  44                                 textarea = $textarea[0];
  45
  46                         if ( 'toggle' === mode ) {
  47                                 if ( editor && ! editor.isHidden() ) {
  48                                         mode = 'html';
  49                                 } else {
  50                                         mode = 'tmce';
  51                                 }
  52                         }
  53
  54                         if ( 'tmce' === mode || 'tinymce' === mode ) {
  55                                 if ( editor && ! editor.isHidden() ) {
  56                                         return false;
  57                                 }
  58
  59                                 if ( typeof( window.QTags ) !== 'undefined' ) {
  60                                         window.QTags.closeAllTags( id );
  61                                 }
  62
  63                                 editorHeight = parseInt( textarea.style.height, 10 ) || 0;
  64
  65                                 if ( editor ) {
  66                                         editor.show();
  67
  68                                         // No point resizing the iframe in iOS
  69                                         if ( ! tinymce.Env.iOS && editorHeight ) {
  70                                                 toolbarHeight = getToolbarHeight( editor );
  71                                                 editorHeight = editorHeight - toolbarHeight + 14;
  72
  73                                                 // height cannot be under 50 or over 5000
  74                                                 if ( editorHeight > 50 && editorHeight < 5000 ) {
  75                                                         editor.theme.resizeTo( null, editorHeight );
  76                                                 }
  77                                         }
  78                                 } else {
  79                                         tinymce.init( window.tinyMCEPreInit.mceInit[id] );
  80                                 }
  81
  82                                 wrap.removeClass( 'html-active' ).addClass( 'tmce-active' );
  83                                 $textarea.attr( 'aria-hidden', true );
  84                                 window.setUserSetting( 'editor', 'tinymce' );
  85
  86                         } else if ( 'html' === mode ) {
  87                                 if ( editor && editor.isHidden() ) {
  88                                         return false;
  89                                 }
  90
  91                                 if ( editor ) {
  92                                         if ( ! tinymce.Env.iOS ) {
  93                                                 iframe = editor.iframeElement;
  94                                                 editorHeight = iframe ? parseInt( iframe.style.height, 10 ) : 0;
  95
  96                                                 if ( editorHeight ) {
  97                                                         toolbarHeight = getToolbarHeight( editor );
  98                                                         editorHeight = editorHeight + toolbarHeight - 14;
  99
 100                                                         // height cannot be under 50 or over 5000
 101                                                         if ( editorHeight > 50 && editorHeight < 5000 ) {
 102                                                                 textarea.style.height = editorHeight + 'px';
 103                                                         }
 104                                                 }
 105                                         }
 106
 107                                         editor.hide();
 108                                 } else {
 109                                         // The TinyMCE instance doesn't exist, show the textarea
 110                                         $textarea.css({ 'display': '', 'visibility': '' });
 111                                 }
 112
 113                                 wrap.removeClass( 'tmce-active' ).addClass( 'html-active' );
 114                                 $textarea.attr( 'aria-hidden', false );
 115                                 window.setUserSetting( 'editor', 'html' );
 116                         }
 117                 }
 118
 119                 // Replace paragraphs with double line breaks
 120                 function removep( html ) {
 121                         var blocklist = 'blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset',
 122                                 blocklist1 = blocklist + '|div|p',
 123                                 blocklist2 = blocklist + '|pre',
 124                                 preserve_linebreaks = false,
 125                                 preserve_br = false;
 126
 127                         if ( ! html ) {
 128                                 return '';
 129                         }
 130
 131                         // Protect pre|script tags
 132                         if ( html.indexOf( '<pre' ) !== -1 || html.indexOf( '<script' ) !== -1 ) {
 133                                 preserve_linebreaks = true;
 134                                 html = html.replace( /<(pre|script)[^>]*>[\s\S]+?<\/\1>/g, function( a ) {
 135                                         a = a.replace( /<br ?\/?>(\r\n|\n)?/g, '<wp-line-break>' );
 136                                         a = a.replace( /<\/?p( [^>]*)?>(\r\n|\n)?/g, '<wp-line-break>' );
 137                                         return a.replace( /\r?\n/g, '<wp-line-break>' );
 138                                 });
 139                         }
 140
 141                         // keep <br> tags inside captions and remove line breaks
 142                         if ( html.indexOf( '[caption' ) !== -1 ) {
 143                                 preserve_br = true;
 144                                 html = html.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
 145                                         return a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' ).replace( /[\r\n\t]+/, '' );
 146                                 });
 147                         }
 148
 149                         // Pretty it up for the source editor
 150                         html = html.replace( new RegExp( '\\s*</(' + blocklist1 + ')>\\s*', 'g' ), '</$1>\n' );
 151                         html = html.replace( new RegExp( '\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g' ), '\n<$1>' );
 152
 153                         // Mark </p> if it has any attributes.
 154                         html = html.replace( /(<p [^>]+>.*?)<\/p>/g, '$1</p#>' );
 155
 156                         // Separate <div> containing <p>
 157                         html = html.replace( /<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n' );
 158
 159                         // Remove <p> and <br />
 160                         html = html.replace( /\s*<p>/gi, '' );
 161                         html = html.replace( /\s*<\/p>\s*/gi, '\n\n' );
 162                         html = html.replace( /\n[\s\u00a0]+\n/g, '\n\n' );
 163                         html = html.replace( /\s*<br ?\/?>\s*/gi, '\n' );
 164
 165                         // Fix some block element newline issues
 166                         html = html.replace( /\s*<div/g, '\n<div' );
 167                         html = html.replace( /<\/div>\s*/g, '</div>\n' );
 168                         html = html.replace( /\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n' );
 169                         html = html.replace( /caption\]\n\n+\[caption/g, 'caption]\n\n[caption' );
 170
 171                         html = html.replace( new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g' ), '\n<$1>' );
 172                         html = html.replace( new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g' ), '</$1>\n' );
 173                         html = html.replace( /<li([^>]*)>/g, '\t<li$1>' );
 174
 175                         if ( html.indexOf( '<option' ) !== -1 ) {
 176                                 html = html.replace( /\s*<option/g, '\n<option' );
 177                                 html = html.replace( /\s*<\/select>/g, '\n</select>' );
 178                         }
 179
 180                         if ( html.indexOf( '<hr' ) !== -1 ) {
 181                                 html = html.replace( /\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n' );
 182                         }
 183
 184                         if ( html.indexOf( '<object' ) !== -1 ) {
 185                                 html = html.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
 186                                         return a.replace( /[\r\n]+/g, '' );
 187                                 });
 188                         }
 189
 190                         // Unmark special paragraph closing tags
 191                         html = html.replace( /<\/p#>/g, '</p>\n' );
 192                         html = html.replace( /\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1' );
 193
 194                         // Trim whitespace
 195                         html = html.replace( /^\s+/, '' );
 196                         html = html.replace( /[\s\u00a0]+$/, '' );
 197
 198                         // put back the line breaks in pre|script
 199                         if ( preserve_linebreaks ) {
 200                                 html = html.replace( /<wp-line-break>/g, '\n' );
 201                         }
 202
 203                         // and the <br> tags in captions
 204                         if ( preserve_br ) {
 205                                 html = html.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
 206                         }
 207
 208                         return html;
 209                 }
 210
 211                 // Similar to `wpautop()` in formatting.php
 212                 function autop( text ) {
 213                         var preserve_linebreaks = false,
 214                                 preserve_br = false,
 215                                 blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre' +
 216                                         '|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section' +
 217                                         '|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary';
 218
 219                         // Normalize line breaks
 220                         text = text.replace( /\r\n|\r/g, '\n' );
 221
 222                         if ( text.indexOf( '\n' ) === -1 ) {
 223                                 return text;
 224                         }
 225
 226                         if ( text.indexOf( '<object' ) !== -1 ) {
 227                                 text = text.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
 228                                         return a.replace( /\n+/g, '' );
 229                                 });
 230                         }
 231
 232                         text = text.replace( /<[^<>]+>/g, function( a ) {
 233                                 return a.replace( /[\n\t ]+/g, ' ' );
 234                         });
 235
 236                         // Protect pre|script tags
 237                         if ( text.indexOf( '<pre' ) !== -1 || text.indexOf( '<script' ) !== -1 ) {
 238                                 preserve_linebreaks = true;
 239                                 text = text.replace( /<(pre|script)[^>]*>[\s\S]*?<\/\1>/g, function( a ) {
 240                                         return a.replace( /\n/g, '<wp-line-break>' );
 241                                 });
 242                         }
 243
 244                         // keep <br> tags inside captions and convert line breaks
 245                         if ( text.indexOf( '[caption' ) !== -1 ) {
 246                                 preserve_br = true;
 247                                 text = text.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
 248                                         // keep existing <br>
 249                                         a = a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' );
 250                                         // no line breaks inside HTML tags
 251                                         a = a.replace( /<[^<>]+>/g, function( b ) {
 252                                                 return b.replace( /[\n\t ]+/, ' ' );
 253                                         });
 254                                         // convert remaining line breaks to <br>
 255                                         return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
 256                                 });
 257                         }
 258
 259                         text = text + '\n\n';
 260                         text = text.replace( /<br \/>\s*<br \/>/gi, '\n\n' );
 261                         text = text.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n$1' );
 262                         text = text.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
 263                         text = text.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' ); // hr is self closing block element
 264                         text = text.replace( /\s*<option/gi, '<option' ); // No <p> or <br> around <option>
 265                         text = text.replace( /<\/option>\s*/gi, '</option>' );
 266                         text = text.replace( /\n\s*\n+/g, '\n\n' );
 267                         text = text.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );
 268                         text = text.replace( /<p>\s*?<\/p>/gi, '');
 269                         text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
 270                         text = text.replace( /<p>(<li.+?)<\/p>/gi, '$1');
 271                         text = text.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
 272                         text = text.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
 273                         text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
 274                         text = text.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
 275
 276                         // Remove redundant spaces and line breaks after existing <br /> tags
 277                         text = text.replace( /(<br[^>]*>)\s*\n/gi, '$1' );
 278
 279                         // Create <br /> from the remaining line breaks
 280                         text = text.replace( /\s*\n/g, '<br />\n');
 281
 282                         text = text.replace( new RegExp( '(</?(?:' + blocklist + ')[^>]*>)\\s*<br />', 'gi' ), '$1' );
 283                         text = text.replace( /<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1' );
 284                         text = text.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );
 285
 286                         text = text.replace( /(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g, function( a, b, c ) {
 287                                 if ( c.match( /<p( [^>]*)?>/ ) ) {
 288                                         return a;
 289                                 }
 290
 291                                 return b + '<p>' + c + '</p>';
 292                         });
 293
 294                         // put back the line breaks in pre|script
 295                         if ( preserve_linebreaks ) {
 296                                 text = text.replace( /<wp-line-break>/g, '\n' );
 297                         }
 298
 299                         if ( preserve_br ) {
 300                                 text = text.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
 301                         }
 302
 303                         return text;
 304                 }
 305
 306                 // Add old events
 307                 function pre_wpautop( html ) {
 308                         var obj = { o: exports, data: html, unfiltered: html };
 309
 310                         if ( $ ) {
 311                                 $( 'body' ).trigger( 'beforePreWpautop', [ obj ] );
 312                         }
 313
 314                         obj.data = removep( obj.data );
 315
 316                         if ( $ ) {
 317                                 $( 'body' ).trigger( 'afterPreWpautop', [ obj ] );
 318                         }
 319
 320                         return obj.data;
 321                 }
 322
 323                 function wpautop( text ) {
 324                         var obj = { o: exports, data: text, unfiltered: text };
 325
 326                         if ( $ ) {
 327                                 $( 'body' ).trigger( 'beforeWpautop', [ obj ] );
 328                         }
 329
 330                         obj.data = autop( obj.data );
 331
 332                         if ( $ ) {
 333                                 $( 'body' ).trigger( 'afterWpautop', [ obj ] );
 334                         }
 335
 336                         return obj.data;
 337                 }
 338
 339                 if ( $ ) {
 340                         $( document ).ready( init );
 341                 } else if ( document.addEventListener ) {
 342                         document.addEventListener( 'DOMContentLoaded', init, false );
 343                         window.addEventListener( 'load', init, false );
 344                 } else if ( window.attachEvent ) {
 345                         window.attachEvent( 'onload', init );
 346                         document.attachEvent( 'onreadystatechange', function() {
 347                                 if ( 'complete' === document.readyState ) {
 348                                         init();
 349                                 }
 350                         } );
 351                 }
 352
 353                 window.wp = window.wp || {};
 354                 window.wp.editor = window.wp.editor || {};
 355                 window.wp.editor.autop = wpautop;
 356                 window.wp.editor.removep = pre_wpautop;
 357
 358                 exports = {
 359                         go: switchEditor,
 360                         wpautop: wpautop,
 361                         pre_wpautop: pre_wpautop,
 362                         _wp_Autop: autop,
 363                         _wp_Nop: removep
 364                 };
 365
 366                 return exports;
 367         }
 368
 369         window.switchEditors = new SwitchEditors();
 370 }( window.jQuery ));