554 lines
17 KiB
JavaScript
554 lines
17 KiB
JavaScript
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// ----------------------------------------------------------------------------
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// markItUp! Universal MarkUp Engine, JQuery plugin
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// v 1.1.5
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// Dual licensed under the MIT and GPL licenses.
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// ----------------------------------------------------------------------------
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// Copyright (C) 2007-2008 Jay Salvat
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// http://markitup.jaysalvat.com/
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// ----------------------------------------------------------------------------
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// ----------------------------------------------------------------------------
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(function($) {
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$.fn.markItUp = function(settings, extraSettings) {
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var options, ctrlKey, shiftKey, altKey;
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ctrlKey = shiftKey = altKey = false;
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options = { id: '',
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nameSpace: '',
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root: '',
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previewInWindow: '', // 'width=800, height=600, resizable=yes, scrollbars=yes'
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previewAutoRefresh: true,
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previewPosition: 'after',
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previewTemplatePath: '~/templates/preview.html',
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previewParserPath: '',
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previewParserVar: 'data',
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resizeHandle: true,
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beforeInsert: '',
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afterInsert: '',
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onEnter: {},
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onShiftEnter: {},
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onCtrlEnter: {},
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onTab: {},
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markupSet: [ { /* set */ } ]
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};
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$.extend(options, settings, extraSettings);
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// compute markItUp! path
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if (!options.root) {
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$('script').each(function(a, tag) {
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miuScript = $(tag).get(0).src.match(/(.*)jquery\.markitup(\.pack)?\.js$/);
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if (miuScript !== null) {
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options.root = miuScript[1];
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}
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});
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}
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return this.each(function() {
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var $$, textarea, levels, scrollPosition, caretPosition, caretOffset,
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clicked, hash, header, footer, previewWindow, template, iFrame, abort;
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$$ = $(this);
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textarea = this;
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levels = [];
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abort = false;
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scrollPosition = caretPosition = 0;
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caretOffset = -1;
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options.previewParserPath = localize(options.previewParserPath);
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options.previewTemplatePath = localize(options.previewTemplatePath);
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// apply the computed path to ~/
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function localize(data, inText) {
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if (inText) {
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return data.replace(/("|')~\//g, "$1"+options.root);
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}
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return data.replace(/^~\//, options.root);
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}
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// init and build editor
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function init() {
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id = ''; nameSpace = '';
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if (options.id) {
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id = 'id="'+options.id+'"';
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} else if ($$.attr("id")) {
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id = 'id="markItUp'+($$.attr("id").substr(0, 1).toUpperCase())+($$.attr("id").substr(1))+'"';
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}
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if (options.nameSpace) {
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nameSpace = 'class="'+options.nameSpace+'"';
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}
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$$.wrap('<div '+nameSpace+'></div>');
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$$.wrap('<div '+id+' class="markItUp"></div>');
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$$.wrap('<div class="markItUpContainer"></div>');
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$$.addClass("markItUpEditor");
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// add the header before the textarea
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header = $('<div class="markItUpHeader"></div>').insertBefore($$);
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$(dropMenus(options.markupSet)).appendTo(header);
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// add the footer after the textarea
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footer = $('<div class="markItUpFooter"></div>').insertAfter($$);
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// add the resize handle after textarea
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if (options.resizeHandle === true && $.browser.safari !== true) {
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resizeHandle = $('<div class="markItUpResizeHandle"></div>')
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.insertAfter($$)
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.bind("mousedown", function(e) {
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var h = $$.height(), y = e.clientY, mouseMove, mouseUp;
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mouseMove = function(e) {
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$$.css("height", Math.max(20, e.clientY+h-y)+"px");
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return false;
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};
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mouseUp = function(e) {
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$("html").unbind("mousemove", mouseMove).unbind("mouseup", mouseUp);
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return false;
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};
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$("html").bind("mousemove", mouseMove).bind("mouseup", mouseUp);
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});
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footer.append(resizeHandle);
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}
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// listen key events
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$$.keydown(keyPressed).keyup(keyPressed);
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// bind an event to catch external calls
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$$.bind("insertion", function(e, settings) {
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if (settings.target !== false) {
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get();
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}
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if (textarea === $.markItUp.focused) {
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markup(settings);
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}
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});
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// remember the last focus
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$$.focus(function() {
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$.markItUp.focused = this;
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});
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}
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// recursively build header with dropMenus from markupset
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function dropMenus(markupSet) {
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var ul = $('<ul></ul>'), i = 0;
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$('li:hover > ul', ul).css('display', 'block');
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$.each(markupSet, function() {
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var button = this, t = '', title, li, j;
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title = (button.key) ? (button.name||'')+' [Ctrl+'+button.key+']' : (button.name||'');
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key = (button.key) ? 'accesskey="'+button.key+'"' : '';
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if (button.separator) {
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li = $('<li class="markItUpSeparator">'+(button.separator||'')+'</li>').appendTo(ul);
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} else {
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i++;
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for (j = levels.length -1; j >= 0; j--) {
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t += levels[j]+"-";
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}
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li = $('<li class="markItUpButton markItUpButton'+t+(i)+' '+(button.className||'')+'"><a href="" '+key+' title="'+title+'">'+(button.name||'')+'</a></li>')
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.bind("contextmenu", function() { // prevent contextmenu on mac and allow ctrl+click
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return false;
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}).click(function() {
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return false;
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}).mouseup(function() {
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if (button.call) {
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eval(button.call)();
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}
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markup(button);
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return false;
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}).hover(function() {
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$('> ul', this).show();
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$(document).one('click', function() { // close dropmenu if click outside
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$('ul ul', header).hide();
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}
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);
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}, function() {
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$('> ul', this).hide();
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}
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).appendTo(ul);
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if (button.dropMenu) {
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levels.push(i);
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$(li).addClass('markItUpDropMenu').append(dropMenus(button.dropMenu));
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}
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}
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});
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levels.pop();
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return ul;
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}
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// markItUp! markups
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function magicMarkups(string) {
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if (string) {
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string = string.toString();
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string = string.replace(/\(\!\(([\s\S]*?)\)\!\)/g,
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function(x, a) {
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var b = a.split('|!|');
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if (altKey === true) {
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return (b[1] !== undefined) ? b[1] : b[0];
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} else {
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return (b[1] === undefined) ? "" : b[0];
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}
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}
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);
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// [![prompt]!], [![prompt:!:value]!]
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string = string.replace(/\[\!\[([\s\S]*?)\]\!\]/g,
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function(x, a) {
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var b = a.split(':!:');
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if (abort === true) {
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return false;
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}
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value = prompt(b[0], (b[1]) ? b[1] : '');
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if (value === null) {
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abort = true;
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}
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return value;
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}
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);
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return string;
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}
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return "";
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}
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// prepare action
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function prepare(action) {
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if ($.isFunction(action)) {
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action = action(hash);
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}
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return magicMarkups(action);
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}
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// build block to insert
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function build(string) {
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openWith = prepare(clicked.openWith);
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placeHolder = prepare(clicked.placeHolder);
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replaceWith = prepare(clicked.replaceWith);
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closeWith = prepare(clicked.closeWith);
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if (replaceWith !== "") {
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block = openWith + replaceWith + closeWith;
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} else if (selection === '' && placeHolder !== '') {
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block = openWith + placeHolder + closeWith;
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} else {
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block = openWith + (string||selection) + closeWith;
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}
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return { block:block,
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openWith:openWith,
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replaceWith:replaceWith,
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placeHolder:placeHolder,
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closeWith:closeWith
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};
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}
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// define markup to insert
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function markup(button) {
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var len, j, n, i;
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hash = clicked = button;
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get();
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$.extend(hash, { line:"",
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root:options.root,
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textarea:textarea,
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selection:(selection||''),
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caretPosition:caretPosition,
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ctrlKey:ctrlKey,
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shiftKey:shiftKey,
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altKey:altKey
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}
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);
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// callbacks before insertion
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prepare(options.beforeInsert);
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prepare(clicked.beforeInsert);
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if (ctrlKey === true && shiftKey === true) {
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prepare(clicked.beforeMultiInsert);
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}
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$.extend(hash, { line:1 });
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if (ctrlKey === true && shiftKey === true) {
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lines = selection.split(/\r?\n/);
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for (j = 0, n = lines.length, i = 0; i < n; i++) {
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if ($.trim(lines[i]) !== '') {
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$.extend(hash, { line:++j, selection:lines[i] } );
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lines[i] = build(lines[i]).block;
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} else {
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lines[i] = "";
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}
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}
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string = { block:lines.join('\n')};
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start = caretPosition;
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len = string.block.length + (($.browser.opera) ? n : 0);
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} else if (ctrlKey === true) {
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string = build(selection);
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start = caretPosition + string.openWith.length;
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len = string.block.length - string.openWith.length - string.closeWith.length;
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len -= fixIeBug(string.block);
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} else if (shiftKey === true) {
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string = build(selection);
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start = caretPosition;
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len = string.block.length;
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len -= fixIeBug(string.block);
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} else {
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string = build(selection);
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start = caretPosition + string.block.length ;
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len = 0;
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start -= fixIeBug(string.block);
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}
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if ((selection === '' && string.replaceWith === '')) {
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caretOffset += fixOperaBug(string.block);
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start = caretPosition + string.openWith.length;
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len = string.block.length - string.openWith.length - string.closeWith.length;
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caretOffset = $$.val().substring(caretPosition, $$.val().length).length;
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caretOffset -= fixOperaBug($$.val().substring(0, caretPosition));
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}
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$.extend(hash, { caretPosition:caretPosition, scrollPosition:scrollPosition } );
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if (string.block !== selection && abort === false) {
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insert(string.block);
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set(start, len);
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} else {
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caretOffset = -1;
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}
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get();
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$.extend(hash, { line:'', selection:selection });
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// callbacks after insertion
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if (ctrlKey === true && shiftKey === true) {
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prepare(clicked.afterMultiInsert);
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}
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prepare(clicked.afterInsert);
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prepare(options.afterInsert);
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// refresh preview if opened
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if (previewWindow && options.previewAutoRefresh) {
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refreshPreview();
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}
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// reinit keyevent
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shiftKey = altKey = ctrlKey = abort = false;
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}
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// Substract linefeed in Opera
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function fixOperaBug(string) {
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if ($.browser.opera) {
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return string.length - string.replace(/\n*/g, '').length;
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}
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return 0;
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}
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// Substract linefeed in IE
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function fixIeBug(string) {
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if ($.browser.msie) {
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return string.length - string.replace(/\r*/g, '').length;
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}
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return 0;
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}
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// add markup
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function insert(block) {
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if (document.selection) {
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var newSelection = document.selection.createRange();
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newSelection.text = block;
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} else {
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$$.val($$.val().substring(0, caretPosition) + block + $$.val().substring(caretPosition + selection.length, $$.val().length));
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}
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}
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// set a selection
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function set(start, len) {
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if (textarea.createTextRange){
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// quick fix to make it work on Opera 9.5
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if ($.browser.opera && $.browser.version >= 9.5 && len == 0) {
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return false;
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}
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range = textarea.createTextRange();
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|
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range.collapse(true);
|
||
|
|
range.moveStart('character', start);
|
||
|
|
range.moveEnd('character', len);
|
||
|
|
range.select();
|
||
|
|
} else if (textarea.setSelectionRange ){
|
||
|
|
textarea.setSelectionRange(start, start + len);
|
||
|
|
}
|
||
|
|
textarea.scrollTop = scrollPosition;
|
||
|
|
textarea.focus();
|
||
|
|
}
|
||
|
|
|
||
|
|
// get the selection
|
||
|
|
function get() {
|
||
|
|
textarea.focus();
|
||
|
|
|
||
|
|
scrollPosition = textarea.scrollTop;
|
||
|
|
if (document.selection) {
|
||
|
|
selection = document.selection.createRange().text;
|
||
|
|
if ($.browser.msie) { // ie
|
||
|
|
var range = document.selection.createRange(), rangeCopy = range.duplicate();
|
||
|
|
rangeCopy.moveToElementText(textarea);
|
||
|
|
caretPosition = -1;
|
||
|
|
while(rangeCopy.inRange(range)) { // fix most of the ie bugs with linefeeds...
|
||
|
|
rangeCopy.moveStart('character');
|
||
|
|
caretPosition ++;
|
||
|
|
}
|
||
|
|
} else { // opera
|
||
|
|
caretPosition = textarea.selectionStart;
|
||
|
|
}
|
||
|
|
} else { // gecko
|
||
|
|
caretPosition = textarea.selectionStart;
|
||
|
|
selection = $$.val().substring(caretPosition, textarea.selectionEnd);
|
||
|
|
}
|
||
|
|
return selection;
|
||
|
|
}
|
||
|
|
|
||
|
|
// open preview window
|
||
|
|
function preview() {
|
||
|
|
if (!previewWindow || previewWindow.closed) {
|
||
|
|
if (options.previewInWindow) {
|
||
|
|
previewWindow = window.open('', 'preview', options.previewInWindow);
|
||
|
|
} else {
|
||
|
|
iFrame = $('<iframe class="markItUpPreviewFrame"></iframe>');
|
||
|
|
if (options.previewPosition == 'after') {
|
||
|
|
iFrame.insertAfter(footer);
|
||
|
|
} else {
|
||
|
|
iFrame.insertBefore(header);
|
||
|
|
}
|
||
|
|
previewWindow = iFrame[iFrame.length-1].contentWindow || frame[iFrame.length-1];
|
||
|
|
}
|
||
|
|
} else if (altKey === true) {
|
||
|
|
if (iFrame) {
|
||
|
|
iFrame.remove();
|
||
|
|
}
|
||
|
|
previewWindow.close();
|
||
|
|
previewWindow = iFrame = false;
|
||
|
|
}
|
||
|
|
if (!options.previewAutoRefresh) {
|
||
|
|
refreshPreview();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// refresh Preview window
|
||
|
|
function refreshPreview() {
|
||
|
|
if (previewWindow.document) {
|
||
|
|
try {
|
||
|
|
sp = previewWindow.document.documentElement.scrollTop
|
||
|
|
} catch(e) {
|
||
|
|
sp = 0;
|
||
|
|
}
|
||
|
|
previewWindow.document.open();
|
||
|
|
previewWindow.document.write(renderPreview());
|
||
|
|
previewWindow.document.close();
|
||
|
|
previewWindow.document.documentElement.scrollTop = sp;
|
||
|
|
}
|
||
|
|
if (options.previewInWindow) {
|
||
|
|
previewWindow.focus();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function renderPreview() {
|
||
|
|
if (options.previewParserPath !== '') {
|
||
|
|
$.ajax( {
|
||
|
|
type: 'POST',
|
||
|
|
async: false,
|
||
|
|
url: options.previewParserPath,
|
||
|
|
data: options.previewParserVar+'='+encodeURIComponent($$.val()),
|
||
|
|
success: function(data) {
|
||
|
|
phtml = localize(data, 1);
|
||
|
|
}
|
||
|
|
} );
|
||
|
|
} else {
|
||
|
|
if (!template) {
|
||
|
|
$.ajax( {
|
||
|
|
async: false,
|
||
|
|
url: options.previewTemplatePath,
|
||
|
|
success: function(data) {
|
||
|
|
template = localize(data, 1);
|
||
|
|
}
|
||
|
|
} );
|
||
|
|
}
|
||
|
|
phtml = template.replace(/<!-- content -->/g, $$.val());
|
||
|
|
}
|
||
|
|
return phtml;
|
||
|
|
}
|
||
|
|
|
||
|
|
// set keys pressed
|
||
|
|
function keyPressed(e) {
|
||
|
|
shiftKey = e.shiftKey;
|
||
|
|
altKey = e.altKey;
|
||
|
|
ctrlKey = (!(e.altKey && e.ctrlKey)) ? e.ctrlKey : false;
|
||
|
|
|
||
|
|
if (e.type === 'keydown') {
|
||
|
|
if (ctrlKey === true) {
|
||
|
|
li = $("a[accesskey="+String.fromCharCode(e.keyCode)+"]", header).parent('li');
|
||
|
|
if (li.length !== 0) {
|
||
|
|
ctrlKey = false;
|
||
|
|
li.triggerHandler('mouseup');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (e.keyCode === 13 || e.keyCode === 10) { // Enter key
|
||
|
|
if (ctrlKey === true) { // Enter + Ctrl
|
||
|
|
ctrlKey = false;
|
||
|
|
markup(options.onCtrlEnter);
|
||
|
|
return options.onCtrlEnter.keepDefault;
|
||
|
|
} else if (shiftKey === true) { // Enter + Shift
|
||
|
|
shiftKey = false;
|
||
|
|
markup(options.onShiftEnter);
|
||
|
|
return options.onShiftEnter.keepDefault;
|
||
|
|
} else { // only Enter
|
||
|
|
markup(options.onEnter);
|
||
|
|
return options.onEnter.keepDefault;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (e.keyCode === 9) { // Tab key
|
||
|
|
if (shiftKey == true || ctrlKey == true || altKey == true) { // Thx Dr Floob.
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (caretOffset !== -1) {
|
||
|
|
get();
|
||
|
|
caretOffset = $$.val().length - caretOffset;
|
||
|
|
set(caretOffset, 0);
|
||
|
|
caretOffset = -1;
|
||
|
|
return false;
|
||
|
|
} else {
|
||
|
|
markup(options.onTab);
|
||
|
|
return options.onTab.keepDefault;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
init();
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
$.fn.markItUpRemove = function() {
|
||
|
|
return this.each(function() {
|
||
|
|
$$ = $(this).unbind().removeClass('markItUpEditor');
|
||
|
|
$$.parent('div').parent('div.markItUp').parent('div').replaceWith($$);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
};
|
||
|
|
|
||
|
|
$.markItUp = function(settings) {
|
||
|
|
var options = { target:false };
|
||
|
|
$.extend(options, settings);
|
||
|
|
if (options.target) {
|
||
|
|
return $(options.target).each(function() {
|
||
|
|
$(this).focus();
|
||
|
|
$(this).trigger('insertion', [options]);
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
$('textarea').trigger('insertion', [options]);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
})(jQuery);
|