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comparison static/js/markitup/jquery.markitup.js @ 312:88b2b9cb8c1f

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Fixing #142; cut over to the django.contrib.staticfiles app.
author Brian Neal <bgneal@gmail.com>
date Thu, 27 Jan 2011 02:56:10 +0000
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children c78c6e007e61
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311:b1c39788e511 312:88b2b9cb8c1f
1 // ----------------------------------------------------------------------------
2 // markItUp! Universal MarkUp Engine, JQuery plugin
3 // v 1.1.x
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 $$.focus(function() {
141 $.markItUp.focused = this;
142 });
143 }
144
145 // recursively build header with dropMenus from markupset
146 function dropMenus(markupSet) {
147 var ul = $('<ul></ul>'), i = 0;
148 $('li:hover > ul', ul).css('display', 'block');
149 $.each(markupSet, function() {
150 var button = this, t = '', title, li, j;
151 title = (button.key) ? (button.name||'')+' [Ctrl+'+button.key+']' : (button.name||'');
152 key = (button.key) ? 'accesskey="'+button.key+'"' : '';
153 if (button.separator) {
154 li = $('<li class="markItUpSeparator">'+(button.separator||'')+'</li>').appendTo(ul);
155 } else {
156 i++;
157 for (j = levels.length -1; j >= 0; j--) {
158 t += levels[j]+"-";
159 }
160 li = $('<li class="markItUpButton markItUpButton'+t+(i)+' '+(button.className||'')+'"><a href="" '+key+' title="'+title+'">'+(button.name||'')+'</a></li>')
161 .bind("contextmenu", function() { // prevent contextmenu on mac and allow ctrl+click
162 return false;
163 }).click(function() {
164 return false;
165 }).focusin(function(){
166 $$.focus();
167 }).mousedown(function() {
168 if (button.call) {
169 eval(button.call)();
170 }
171 setTimeout(function() { markup(button) },1);
172 return false;
173 }).hover(function() {
174 $('> ul', this).show();
175 $(document).one('click', function() { // close dropmenu if click outside
176 $('ul ul', header).hide();
177 }
178 );
179 }, function() {
180 $('> ul', this).hide();
181 }
182 ).appendTo(ul);
183 if (button.dropMenu) {
184 levels.push(i);
185 $(li).addClass('markItUpDropMenu').append(dropMenus(button.dropMenu));
186 }
187 }
188 });
189 levels.pop();
190 return ul;
191 }
192
193 // markItUp! markups
194 function magicMarkups(string) {
195 if (string) {
196 string = string.toString();
197 string = string.replace(/\(\!\(([\s\S]*?)\)\!\)/g,
198 function(x, a) {
199 var b = a.split('|!|');
200 if (altKey === true) {
201 return (b[1] !== undefined) ? b[1] : b[0];
202 } else {
203 return (b[1] === undefined) ? "" : b[0];
204 }
205 }
206 );
207 // [![prompt]!], [![prompt:!:value]!]
208 string = string.replace(/\[\!\[([\s\S]*?)\]\!\]/g,
209 function(x, a) {
210 var b = a.split(':!:');
211 if (abort === true) {
212 return false;
213 }
214 value = prompt(b[0], (b[1]) ? b[1] : '');
215 if (value === null) {
216 abort = true;
217 }
218 return value;
219 }
220 );
221 return string;
222 }
223 return "";
224 }
225
226 // prepare action
227 function prepare(action) {
228 if ($.isFunction(action)) {
229 action = action(hash);
230 }
231 return magicMarkups(action);
232 }
233
234 // build block to insert
235 function build(string) {
236 openWith = prepare(clicked.openWith);
237 placeHolder = prepare(clicked.placeHolder);
238 replaceWith = prepare(clicked.replaceWith);
239 closeWith = prepare(clicked.closeWith);
240 if (replaceWith !== "") {
241 block = openWith + replaceWith + closeWith;
242 } else if (selection === '' && placeHolder !== '') {
243 block = openWith + placeHolder + closeWith;
244 } else {
245 block = openWith + (string||selection) + closeWith;
246 }
247 return { block:block,
248 openWith:openWith,
249 replaceWith:replaceWith,
250 placeHolder:placeHolder,
251 closeWith:closeWith
252 };
253 }
254
255 // define markup to insert
256 function markup(button) {
257 var len, j, n, i;
258 hash = clicked = button;
259 get();
260
261 $.extend(hash, { line:"",
262 root:options.root,
263 textarea:textarea,
264 selection:(selection||''),
265 caretPosition:caretPosition,
266 ctrlKey:ctrlKey,
267 shiftKey:shiftKey,
268 altKey:altKey
269 }
270 );
271 // callbacks before insertion
272 prepare(options.beforeInsert);
273 prepare(clicked.beforeInsert);
274 if (ctrlKey === true && shiftKey === true) {
275 prepare(clicked.beforeMultiInsert);
276 }
277 $.extend(hash, { line:1 });
278
279 if (ctrlKey === true && shiftKey === true) {
280 lines = selection.split(/\r?\n/);
281 for (j = 0, n = lines.length, i = 0; i < n; i++) {
282 if ($.trim(lines[i]) !== '') {
283 $.extend(hash, { line:++j, selection:lines[i] } );
284 lines[i] = build(lines[i]).block;
285 } else {
286 lines[i] = "";
287 }
288 }
289 string = { block:lines.join('\n')};
290 start = caretPosition;
291 len = string.block.length + (($.browser.opera) ? n-1 : 0);
292 } else if (ctrlKey === true) {
293 string = build(selection);
294 start = caretPosition + string.openWith.length;
295 len = string.block.length - string.openWith.length - string.closeWith.length;
296 len -= fixIeBug(string.block);
297 } else if (shiftKey === true) {
298 string = build(selection);
299 start = caretPosition;
300 len = string.block.length;
301 len -= fixIeBug(string.block);
302 } else {
303 string = build(selection);
304 start = caretPosition + string.block.length ;
305 len = 0;
306 start -= fixIeBug(string.block);
307 }
308 if ((selection === '' && string.replaceWith === '')) {
309 caretOffset += fixOperaBug(string.block);
310
311 start = caretPosition + string.openWith.length;
312 len = string.block.length - string.openWith.length - string.closeWith.length;
313
314 caretOffset = $$.val().substring(caretPosition, $$.val().length).length;
315 caretOffset -= fixOperaBug($$.val().substring(0, caretPosition));
316 }
317 $.extend(hash, { caretPosition:caretPosition, scrollPosition:scrollPosition } );
318
319 if (string.block !== selection && abort === false) {
320 insert(string.block);
321 set(start, len);
322 } else {
323 caretOffset = -1;
324 }
325 get();
326
327 $.extend(hash, { line:'', selection:selection });
328
329 // callbacks after insertion
330 if (ctrlKey === true && shiftKey === true) {
331 prepare(clicked.afterMultiInsert);
332 }
333 prepare(clicked.afterInsert);
334 prepare(options.afterInsert);
335
336 // refresh preview if opened
337 if (previewWindow && options.previewAutoRefresh) {
338 refreshPreview();
339 }
340
341 // reinit keyevent
342 shiftKey = altKey = ctrlKey = abort = false;
343 }
344
345 // Substract linefeed in Opera
346 function fixOperaBug(string) {
347 if ($.browser.opera) {
348 return string.length - string.replace(/\n*/g, '').length;
349 }
350 return 0;
351 }
352 // Substract linefeed in IE
353 function fixIeBug(string) {
354 if ($.browser.msie) {
355 return string.length - string.replace(/\r*/g, '').length;
356 }
357 return 0;
358 }
359
360 // add markup
361 function insert(block) {
362 if (document.selection) {
363 var newSelection = document.selection.createRange();
364 newSelection.text = block;
365 } else {
366 textarea.value = textarea.value.substring(0, caretPosition) + block + textarea.value.substring(caretPosition + selection.length, textarea.value.length);
367 }
368 }
369
370 // set a selection
371 function set(start, len) {
372 if (textarea.createTextRange){
373 // quick fix to make it work on Opera 9.5
374 if ($.browser.opera && $.browser.version >= 9.5 && len == 0) {
375 return false;
376 }
377 range = textarea.createTextRange();
378 range.collapse(true);
379 range.moveStart('character', start);
380 range.moveEnd('character', len);
381 range.select();
382 } else if (textarea.setSelectionRange ){
383 textarea.setSelectionRange(start, start + len);
384 }
385 textarea.scrollTop = scrollPosition;
386 textarea.focus();
387 }
388
389 // get the selection
390 function get() {
391 textarea.focus();
392
393 scrollPosition = textarea.scrollTop;
394 if (document.selection) {
395 selection = document.selection.createRange().text;
396 if ($.browser.msie) { // ie
397 var range = document.selection.createRange(), rangeCopy = range.duplicate();
398 rangeCopy.moveToElementText(textarea);
399 caretPosition = -1;
400 while(rangeCopy.inRange(range)) {
401 rangeCopy.moveStart('character');
402 caretPosition ++;
403 }
404 } else { // opera
405 caretPosition = textarea.selectionStart;
406 }
407 } else { // gecko & webkit
408 caretPosition = textarea.selectionStart;
409 selection = textarea.value.substring(caretPosition, textarea.selectionEnd);
410 }
411 return selection;
412 }
413
414 // open preview window
415 function preview() {
416 if (!previewWindow || previewWindow.closed) {
417 if (options.previewInWindow) {
418 previewWindow = window.open('', 'preview', options.previewInWindow);
419 $(window).unload(function() {
420 previewWindow.close();
421 });
422 } else {
423 iFrame = $('<iframe class="markItUpPreviewFrame"></iframe>');
424 if (options.previewPosition == 'after') {
425 iFrame.insertAfter(footer);
426 } else {
427 iFrame.insertBefore(header);
428 }
429 previewWindow = iFrame[iFrame.length - 1].contentWindow || frame[iFrame.length - 1];
430 }
431 } else if (altKey === true) {
432 if (iFrame) {
433 iFrame.remove();
434 } else {
435 previewWindow.close();
436 }
437 previewWindow = iFrame = false;
438 }
439 if (!options.previewAutoRefresh) {
440 refreshPreview();
441 }
442 if (options.previewInWindow) {
443 previewWindow.focus();
444 }
445 }
446
447 // refresh Preview window
448 function refreshPreview() {
449 renderPreview();
450 }
451
452 function renderPreview() {
453 var phtml;
454 if (options.previewParserPath !== '') {
455 $.ajax( {
456 type: 'POST',
457 url: options.previewParserPath,
458 data: options.previewParserVar+'='+encodeURIComponent($$.val()),
459 success: function(data) {
460 writeInPreview( localize(data, 1) );
461 }
462 } );
463 } else {
464 if (!template) {
465 $.ajax( {
466 url: options.previewTemplatePath,
467 success: function(data) {
468 writeInPreview( localize(data, 1).replace(/<!-- content -->/g, $$.val()) );
469 }
470 } );
471 }
472 }
473 return false;
474 }
475
476 function writeInPreview(data) {
477 if (previewWindow.document) {
478 try {
479 sp = previewWindow.document.documentElement.scrollTop
480 } catch(e) {
481 sp = 0;
482 }
483 previewWindow.document.open();
484 previewWindow.document.write(data);
485 previewWindow.document.close();
486 previewWindow.document.documentElement.scrollTop = sp;
487 }
488 }
489
490 // set keys pressed
491 function keyPressed(e) {
492 shiftKey = e.shiftKey;
493 altKey = e.altKey;
494 ctrlKey = (!(e.altKey && e.ctrlKey)) ? e.ctrlKey : false;
495
496 if (e.type === 'keydown') {
497 if (ctrlKey === true) {
498 li = $("a[accesskey="+String.fromCharCode(e.keyCode)+"]", header).parent('li');
499 if (li.length !== 0) {
500 ctrlKey = false;
501 setTimeout(function() {
502 li.triggerHandler('mousedown');
503 },1);
504 return false;
505 }
506 }
507 if (e.keyCode === 13 || e.keyCode === 10) { // Enter key
508 if (ctrlKey === true) { // Enter + Ctrl
509 ctrlKey = false;
510 markup(options.onCtrlEnter);
511 return options.onCtrlEnter.keepDefault;
512 } else if (shiftKey === true) { // Enter + Shift
513 shiftKey = false;
514 markup(options.onShiftEnter);
515 return options.onShiftEnter.keepDefault;
516 } else { // only Enter
517 markup(options.onEnter);
518 return options.onEnter.keepDefault;
519 }
520 }
521 if (e.keyCode === 9) { // Tab key
522 if (shiftKey == true || ctrlKey == true || altKey == true) {
523 return false;
524 }
525 if (caretOffset !== -1) {
526 get();
527 caretOffset = $$.val().length - caretOffset;
528 set(caretOffset, 0);
529 caretOffset = -1;
530 return false;
531 } else {
532 markup(options.onTab);
533 return options.onTab.keepDefault;
534 }
535 }
536 }
537 }
538
539 init();
540 });
541 };
542
543 $.fn.markItUpRemove = function() {
544 return this.each(function() {
545 var $$ = $(this).unbind().removeClass('markItUpEditor');
546 $$.parent('div').parent('div.markItUp').parent('div').replaceWith($$);
547 }
548 );
549 };
550
551 $.markItUp = function(settings) {
552 var options = { target:false };
553 $.extend(options, settings);
554 if (options.target) {
555 return $(options.target).each(function() {
556 $(this).focus();
557 $(this).trigger('insertion', [options]);
558 });
559 } else {
560 $('textarea').trigger('insertion', [options]);
561 }
562 };
563 })(jQuery);