git.roojs.org Git - web.mtrack/blob - js/jquery.markitup.js

   1 // ----------------------------------------------------------------------------
   2 // markItUp! Universal MarkUp Engine, JQuery plugin
   3 // v 1.1.7
   4 // Dual licensed under the MIT and GPL licenses.
   5 // ----------------------------------------------------------------------------
   6 // Copyright (C) 2007-2010 Jay Salvat
   7 // http://markitup.jaysalvat.com/
   8 // ----------------------------------------------------------------------------
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 // THE SOFTWARE.
  26 // ----------------------------------------------------------------------------
  27 (function($) {
  28         $.fn.markItUp = function(settings, extraSettings) {
  29                 var options, ctrlKey, shiftKey, altKey;
  30                 ctrlKey = shiftKey = altKey = false;
  31
  32                 options = {     id:                                             '',
  33                                         nameSpace:                              '',
  34                                         root:                                   '',
  35                                         previewInWindow:                '', // 'width=800, height=600, resizable=yes, scrollbars=yes'
  36                                         previewAutoRefresh:             true,
  37                                         previewPosition:                'after',
  38                                         previewTemplatePath:    '~/templates/preview.html',
  39                                         previewParserPath:              '',
  40                                         previewParserVar:               'data',
  41                                         resizeHandle:                   true,
  42                                         beforeInsert:                   '',
  43                                         afterInsert:                    '',
  44                                         onEnter:                                {},
  45                                         onShiftEnter:                   {},
  46                                         onCtrlEnter:                    {},
  47                                         onTab:                                  {},
  48                                         markupSet:                      [       { /* set */ } ]
  49                                 };
  50                 $.extend(options, settings, extraSettings);
  51
  52                 // compute markItUp! path
  53                 if (!options.root) {
  54                         $('script').each(function(a, tag) {
  55                                 miuScript = $(tag).get(0).src.match(/(.*)jquery\.markitup(\.pack)?\.js$/);
  56                                 if (miuScript !== null) {
  57                                         options.root = miuScript[1];
  58                                 }
  59                         });
  60                 }
  61
  62                 return this.each(function() {
  63                         var $$, textarea, levels, scrollPosition, caretPosition, caretOffset,
  64                                 clicked, hash, header, footer, previewWindow, template, iFrame, abort;
  65                         $$ = $(this);
  66                         textarea = this;
  67                         levels = [];
  68                         abort = false;
  69                         scrollPosition = caretPosition = 0;
  70                         caretOffset = -1;
  71
  72                         options.previewParserPath = localize(options.previewParserPath);
  73                         options.previewTemplatePath = localize(options.previewTemplatePath);
  74
  75                         // apply the computed path to ~/
  76                         function localize(data, inText) {
  77                                 if (inText) {
  78                                         return  data.replace(/("|')~\//g, "$1"+options.root);
  79                                 }
  80                                 return  data.replace(/^~\//, options.root);
  81                         }
  82
  83                         // init and build editor
  84                         function init() {
  85                                 id = ''; nameSpace = '';
  86                                 if (options.id) {
  87                                         id = 'id="'+options.id+'"';
  88                                 } else if ($$.attr("id")) {
  89                                         id = 'id="markItUp'+($$.attr("id").substr(0, 1).toUpperCase())+($$.attr("id").substr(1))+'"';
  90
  91                                 }
  92                                 if (options.nameSpace) {
  93                                         nameSpace = 'class="'+options.nameSpace+'"';
  94                                 }
  95                                 $$.wrap('<div '+nameSpace+'></div>');
  96                                 $$.wrap('<div '+id+' class="markItUp"></div>');
  97                                 $$.wrap('<div class="markItUpContainer"></div>');
  98                                 $$.addClass("markItUpEditor");
  99
 100                                 // add the header before the textarea
 101                                 header = $('<div class="markItUpHeader"></div>').insertBefore($$);
 102                                 $(dropMenus(options.markupSet)).appendTo(header);
 103
 104                                 // add the footer after the textarea
 105                                 footer = $('<div class="markItUpFooter"></div>').insertAfter($$);
 106
 107                                 // add the resize handle after textarea
 108                                 if (options.resizeHandle === true && $.browser.safari !== true) {
 109                                         resizeHandle = $('<div class="markItUpResizeHandle"></div>')
 110                                                 .insertAfter($$)
 111                                                 .bind("mousedown", function(e) {
 112                                                         var h = $$.height(), y = e.clientY, mouseMove, mouseUp;
 113                                                         mouseMove = function(e) {
 114                                                                 $$.css("height", Math.max(20, e.clientY+h-y)+"px");
 115                                                                 return false;
 116                                                         };
 117                                                         mouseUp = function(e) {
 118                                                                 $("html").unbind("mousemove", mouseMove).unbind("mouseup", mouseUp);
 119                                                                 return false;
 120                                                         };
 121                                                         $("html").bind("mousemove", mouseMove).bind("mouseup", mouseUp);
 122                                         });
 123                                         footer.append(resizeHandle);
 124                                 }
 125
 126                                 // listen key events
 127                                 $$.keydown(keyPressed).keyup(keyPressed);
 128
 129                                 // bind an event to catch external calls
 130                                 $$.bind("insertion", function(e, settings) {
 131                                         if (settings.target !== false) {
 132                                                 get();
 133                                         }
 134                                         if (textarea === $.markItUp.focused) {
 135                                                 markup(settings);
 136                                         }
 137                                 });
 138
 139                                 // remember the last focus
 140                                 $$.focus(function() {
 141                                         $.markItUp.focused = this;
 142                                 });
 143                         }
 144
 145                         // recursively build header with dropMenus from markupset
 146                         function dropMenus(markupSet) {
 147                                 var ul = $('<ul></ul>'), i = 0;
 148                                 $('li:hover > ul', ul).css('display', 'block');
 149                                 $.each(markupSet, function() {
 150                                         var button = this, t = '', title, li, j;
 151                                         title = (button.key) ? (button.name||'')+' [Ctrl+'+button.key+']' : (button.name||'');
 152                                         key   = (button.key) ? 'accesskey="'+button.key+'"' : '';
 153                                         if (button.separator) {
 154                                                 li = $('<li class="markItUpSeparator">'+(button.separator||'')+'</li>').appendTo(ul);
 155                                         } else {
 156                                                 i++;
 157                                                 for (j = levels.length -1; j >= 0; j--) {
 158                                                         t += levels[j]+"-";
 159                                                 }
 160                                                 li = $('<li class="markItUpButton markItUpButton'+t+(i)+' '+(button.className||'')+'"><a href="" '+key+' title="'+title+'">'+(button.name||'')+'</a></li>')
 161                                                 .bind("contextmenu", function() { // prevent contextmenu on mac and allow ctrl+click
 162                                                         return false;
 163                                                 }).click(function() {
 164                                                         return false;
 165                                                 }).mousedown(function() {
 166                                                         if (button.call) {
 167                                                                 eval(button.call)();
 168                                                         }
 169                                                         setTimeout(function() { markup(button) },1);
 170                                                         return false;
 171                                                 }).hover(function() {
 172                                                                 $('> ul', this).show();
 173                                                                 $(document).one('click', function() { // close dropmenu if click outside
 174                                                                                 $('ul ul', header).hide();
 175                                                                         }
 176                                                                 );
 177                                                         }, function() {
 178                                                                 $('> ul', this).hide();
 179                                                         }
 180                                                 ).appendTo(ul);
 181                                                 if (button.dropMenu) {
 182                                                         levels.push(i);
 183                                                         $(li).addClass('markItUpDropMenu').append(dropMenus(button.dropMenu));
 184                                                 }
 185                                         }
 186                                 });
 187                                 levels.pop();
 188                                 return ul;
 189                         }
 190
 191                         // markItUp! markups
 192                         function magicMarkups(string) {
 193                                 if (string) {
 194                                         string = string.toString();
 195                                         string = string.replace(/\(\!\(([\s\S]*?)\)\!\)/g,
 196                                                 function(x, a) {
 197                                                         var b = a.split('|!|');
 198                                                         if (altKey === true) {
 199                                                                 return (b[1] !== undefined) ? b[1] : b[0];
 200                                                         } else {
 201                                                                 return (b[1] === undefined) ? "" : b[0];
 202                                                         }
 203                                                 }
 204                                         );
 205                                         // [![prompt]!], [![prompt:!:value]!]
 206                                         string = string.replace(/\[\!\[([\s\S]*?)\]\!\]/g,
 207                                                 function(x, a) {
 208                                                         var b = a.split(':!:');
 209                                                         if (abort === true) {
 210                                                                 return false;
 211                                                         }
 212                                                         value = prompt(b[0], (b[1]) ? b[1] : '');
 213                                                         if (value === null) {
 214                                                                 abort = true;
 215                                                         }
 216                                                         return value;
 217                                                 }
 218                                         );
 219                                         return string;
 220                                 }
 221                                 return "";
 222                         }
 223
 224                         // prepare action
 225                         function prepare(action) {
 226                                 if ($.isFunction(action)) {
 227                                         action = action(hash);
 228                                 }
 229                                 return magicMarkups(action);
 230                         }
 231
 232                         // build block to insert
 233                         function build(string) {
 234                                 openWith        = prepare(clicked.openWith);
 235                                 placeHolder = prepare(clicked.placeHolder);
 236                                 replaceWith = prepare(clicked.replaceWith);
 237                                 closeWith       = prepare(clicked.closeWith);
 238                                 if (replaceWith !== "") {
 239                                         block = openWith + replaceWith + closeWith;
 240                                 } else if (selection === '' && placeHolder !== '') {
 241                                         block = openWith + placeHolder + closeWith;
 242                                 } else {
 243                                         block = openWith + (string||selection) + closeWith;
 244                                 }
 245                                 return {        block:block,
 246                                                         openWith:openWith,
 247                                                         replaceWith:replaceWith,
 248                                                         placeHolder:placeHolder,
 249                                                         closeWith:closeWith
 250                                         };
 251                         }
 252
 253                         // define markup to insert
 254                         function markup(button) {
 255                                 var len, j, n, i;
 256                                 hash = clicked = button;
 257                                 get();
 258
 259                                 $.extend(hash, {        line:"",
 260                                                                         root:options.root,
 261                                                                         textarea:textarea,
 262                                                                         selection:(selection||''),
 263                                                                         caretPosition:caretPosition,
 264                                                                         ctrlKey:ctrlKey,
 265                                                                         shiftKey:shiftKey,
 266                                                                         altKey:altKey
 267                                                                 }
 268                                                         );
 269                                 // callbacks before insertion
 270                                 prepare(options.beforeInsert);
 271                                 prepare(clicked.beforeInsert);
 272                                 if (ctrlKey === true && shiftKey === true) {
 273                                         prepare(clicked.beforeMultiInsert);
 274                                 }
 275                                 $.extend(hash, { line:1 });
 276
 277                                 if (ctrlKey === true && shiftKey === true) {
 278                                         lines = selection.split(/\r?\n/);
 279                                         for (j = 0, n = lines.length, i = 0; i < n; i++) {
 280                                                 if ($.trim(lines[i]) !== '') {
 281                                                         $.extend(hash, { line:++j, selection:lines[i] } );
 282                                                         lines[i] = build(lines[i]).block;
 283                                                 } else {
 284                                                         lines[i] = "";
 285                                                 }
 286                                         }
 287                                         string = { block:lines.join('\n')};
 288                                         start = caretPosition;
 289                                         len = string.block.length + (($.browser.opera) ? n : 0);
 290                                 } else if (ctrlKey === true) {
 291                                         string = build(selection);
 292                                         start = caretPosition + string.openWith.length;
 293                                         len = string.block.length - string.openWith.length - string.closeWith.length;
 294                                         len -= fixIeBug(string.block);
 295                                 } else if (shiftKey === true) {
 296                                         string = build(selection);
 297                                         start = caretPosition;
 298                                         len = string.block.length;
 299                                         len -= fixIeBug(string.block);
 300                                 } else {
 301                                         string = build(selection);
 302                                         start = caretPosition + string.block.length ;
 303                                         len = 0;
 304                                         start -= fixIeBug(string.block);
 305                                 }
 306                                 if ((selection === '' && string.replaceWith === '')) {
 307                                         caretOffset += fixOperaBug(string.block);
 308
 309                                         start = caretPosition + string.openWith.length;
 310                                         len = string.block.length - string.openWith.length - string.closeWith.length;
 311
 312                                         caretOffset = $$.val().substring(caretPosition,  $$.val().length).length;
 313                                         caretOffset -= fixOperaBug($$.val().substring(0, caretPosition));
 314                                 }
 315                                 $.extend(hash, { caretPosition:caretPosition, scrollPosition:scrollPosition } );
 316
 317                                 if (string.block !== selection && abort === false) {
 318                                         insert(string.block);
 319                                         set(start, len);
 320                                 } else {
 321                                         caretOffset = -1;
 322                                 }
 323                                 get();
 324
 325                                 $.extend(hash, { line:'', selection:selection });
 326
 327                                 // callbacks after insertion
 328                                 if (ctrlKey === true && shiftKey === true) {
 329                                         prepare(clicked.afterMultiInsert);
 330                                 }
 331                                 prepare(clicked.afterInsert);
 332                                 prepare(options.afterInsert);
 333
 334                                 // refresh preview if opened
 335                                 if (previewWindow && options.previewAutoRefresh) {
 336                                         refreshPreview();
 337                                 }
 338
 339                                 // reinit keyevent
 340                                 shiftKey = altKey = ctrlKey = abort = false;
 341                         }
 342
 343                         // Substract linefeed in Opera
 344                         function fixOperaBug(string) {
 345                                 if ($.browser.opera) {
 346                                         return string.length - string.replace(/\n*/g, '').length;
 347                                 }
 348                                 return 0;
 349                         }
 350                         // Substract linefeed in IE
 351                         function fixIeBug(string) {
 352                                 if ($.browser.msie) {
 353                                         return string.length - string.replace(/\r*/g, '').length;
 354                                 }
 355                                 return 0;
 356                         }
 357
 358                         // add markup
 359                         function insert(block) {
 360                                 if (document.selection) {
 361                                         var newSelection = document.selection.createRange();
 362                                         newSelection.text = block;
 363                                 } else {
 364                                         $$.val($$.val().substring(0, caretPosition)     + block + $$.val().substring(caretPosition + selection.length, $$.val().length));
 365                                 }
 366                         }
 367
 368                         // set a selection
 369                         function set(start, len) {
 370                                 if (textarea.createTextRange){
 371                                         // quick fix to make it work on Opera 9.5
 372                                         if ($.browser.opera && $.browser.version >= 9.5 && len == 0) {
 373                                                 return false;
 374                                         }
 375                                         range = textarea.createTextRange();
 376                                         range.collapse(true);
 377                                         range.moveStart('character', start);
 378                                         range.moveEnd('character', len);
 379                                         range.select();
 380                                 } else if (textarea.setSelectionRange ){
 381                                         textarea.setSelectionRange(start, start + len);
 382                                 }
 383                                 textarea.scrollTop = scrollPosition;
 384                                 textarea.focus();
 385                         }
 386
 387                         // get the selection
 388                         function get() {
 389                                 textarea.focus();
 390
 391                                 scrollPosition = textarea.scrollTop;
 392                                 if (document.selection) {
 393                                         selection = document.selection.createRange().text;
 394                                         if ($.browser.msie) { // ie
 395                                                 var range = document.selection.createRange(), rangeCopy = range.duplicate();
 396                                                 rangeCopy.moveToElementText(textarea);
 397                                                 caretPosition = -1;
 398                                                 while(rangeCopy.inRange(range)) { // fix most of the ie bugs with linefeeds...
 399                                                         rangeCopy.moveStart('character');
 400                                                         caretPosition ++;
 401                                                 }
 402                                         } else { // opera
 403                                                 caretPosition = textarea.selectionStart;
 404                                         }
 405                                 } else { // gecko & webkit
 406                                         caretPosition = textarea.selectionStart;
 407                                         selection = $$.val().substring(caretPosition, textarea.selectionEnd);
 408                                 }
 409                                 return selection;
 410                         }
 411
 412                         // open preview window
 413                         function preview() {
 414                                 if (!previewWindow || previewWindow.closed) {
 415                                         if (options.previewInWindow) {
 416                                                 previewWindow = window.open('', 'preview', options.previewInWindow);
 417                                         } else {
 418                                                 iFrame = $('<iframe class="markItUpPreviewFrame"></iframe>');
 419                                                 if (options.previewPosition == 'after') {
 420                                                         iFrame.insertAfter(footer);
 421                                                 } else {
 422                                                         iFrame.insertBefore(header);
 423                                                 }
 424                                                 previewWindow = iFrame[iFrame.length - 1].contentWindow || frame[iFrame.length - 1];
 425                                         }
 426                                 } else if (altKey === true) {
 427                                         // Thx Stephen M. Redd for the IE8 fix
 428                                         if (iFrame) {
 429                                                 iFrame.remove();
 430                                         } else {
 431                                                 previewWindow.close();
 432                                         }
 433                                         previewWindow = iFrame = false;
 434                                 }
 435                                 if (!options.previewAutoRefresh) {
 436                                         refreshPreview();
 437                                 }
 438                         }
 439
 440                         // refresh Preview window
 441                         function refreshPreview() {
 442                                 renderPreview();
 443                         }
 444
 445                         function renderPreview() {
 446                                 var phtml;
 447                                 if (options.previewParserPath !== '') {
 448                                         $.ajax( {
 449                                                 type: 'POST',
 450                                                 url: options.previewParserPath,
 451                                                 data: options.previewParserVar+'='+encodeURIComponent($$.val()),
 452                                                 success: function(data) {
 453                                                         writeInPreview( localize(data, 1) );
 454                                                 }
 455                                         } );
 456                                 } else {
 457                                         if (!template) {
 458                                                 $.ajax( {
 459                                                         url: options.previewTemplatePath,
 460                                                         success: function(data) {
 461                                                                 writeInPreview( localize(data, 1).replace(/<!-- content -->/g, $$.val()) );
 462                                                         }
 463                                                 } );
 464                                         }
 465                                 }
 466                                 return false;
 467                         }
 468
 469                         function writeInPreview(data) {
 470                                 if (previewWindow.document) {
 471                                         try {
 472                                                 sp = previewWindow.document.documentElement.scrollTop
 473                                         } catch(e) {
 474                                                 sp = 0;
 475                                         }
 476                                         previewWindow.document.open();
 477                                         previewWindow.document.write(data);
 478                                         previewWindow.document.close();
 479                                         previewWindow.document.documentElement.scrollTop = sp;
 480                                 }
 481                                 if (options.previewInWindow) {
 482                                         previewWindow.focus();
 483                                 }
 484                         }
 485
 486                         // set keys pressed
 487                         function keyPressed(e) {
 488                                 shiftKey = e.shiftKey;
 489                                 altKey = e.altKey;
 490                                 ctrlKey = (!(e.altKey && e.ctrlKey)) ? e.ctrlKey : false;
 491
 492                                 if (e.type === 'keydown') {
 493                                         if (ctrlKey === true) {
 494                                                 li = $("a[accesskey="+String.fromCharCode(e.keyCode)+"]", header).parent('li');
 495                                                 if (li.length !== 0) {
 496                                                         ctrlKey = false;
 497                                                         setTimeout(function() {
 498                                                                 li.triggerHandler('mousedown');
 499                                                         },1);
 500                                                         return false;
 501                                                 }
 502                                         }
 503                                         if (e.keyCode === 13 || e.keyCode === 10) { // Enter key
 504                                                 if (ctrlKey === true) {  // Enter + Ctrl
 505                                                         ctrlKey = false;
 506                                                         markup(options.onCtrlEnter);
 507                                                         return options.onCtrlEnter.keepDefault;
 508                                                 } else if (shiftKey === true) { // Enter + Shift
 509                                                         shiftKey = false;
 510                                                         markup(options.onShiftEnter);
 511                                                         return options.onShiftEnter.keepDefault;
 512                                                 } else { // only Enter
 513                                                         markup(options.onEnter);
 514                                                         return options.onEnter.keepDefault;
 515                                                 }
 516                                         }
 517                                         if (e.keyCode === 9) { // Tab key
 518                                                 if (shiftKey == true || ctrlKey == true || altKey == true) { // Thx Dr Floob.
 519                                                         return false;
 520                                                 }
 521                                                 if (caretOffset !== -1) {
 522                                                         get();
 523                                                         caretOffset = $$.val().length - caretOffset;
 524                                                         set(caretOffset, 0);
 525                                                         caretOffset = -1;
 526                                                         return false;
 527                                                 } else {
 528                                                         markup(options.onTab);
 529                                                         return options.onTab.keepDefault;
 530                                                 }
 531                                         }
 532                                 }
 533                         }
 534
 535                         init();
 536                 });
 537         };
 538
 539         $.fn.markItUpRemove = function() {
 540                 return this.each(function() {
 541                                 var $$ = $(this).unbind().removeClass('markItUpEditor');
 542                                 $$.parent('div').parent('div.markItUp').parent('div').replaceWith($$);
 543                         }
 544                 );
 545         };
 546
 547         $.markItUp = function(settings) {
 548                 var options = { target:false };
 549                 $.extend(options, settings);
 550                 if (options.target) {
 551                         return $(options.target).each(function() {
 552                                 $(this).focus();
 553                                 $(this).trigger('insertion', [options]);
 554                         });
 555                 } else {
 556                         $('textarea').trigger('insertion', [options]);
 557                 }
 558         };
 559 })(jQuery);