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annotate js/bt/DEMO/demofiles/demo.js @ 18:0d557e6e73f7

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Added beautytips and some additional event handling code to the library.
author David Eads <eads@chicagotech.org>
date Fri, 06 Mar 2009 14:11:46 -0600
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eads@18 1 /**
eads@18 2 * Fancy script sets up the page and runs the code in the div.js elements
eads@18 3 */
eads@18 4 $(function(){
eads@18 5 $('div.example').each(function() {
eads@18 6 var target = $('.target, .alt-target', this);
eads@18 7 var htmlSource = $('<div />').append(target.clone()).html();
eads@18 8 htmlSource = $('<div class="html-source">' + escapeHTMLEncode(htmlSource) + '</div>');
eads@18 9 var html = $('<div class="html-link"><a href="#">html</a></div>').click(function(){
eads@18 10 if ($.browser.msie) {
eads@18 11 // ugh!!! effing IE
eads@18 12 $(this).parent().find('.html-source').toggle();
eads@18 13 }
eads@18 14 else {
eads@18 15 $(this).parent().find('.html-source').slideToggle();
eads@18 16 }
eads@18 17 return false;
eads@18 18 });
eads@18 19 var jsLink = $('<div class="html-link"><a href="#">javascript</a></div>').click(function(){
eads@18 20 if ($.browser.msie) {
eads@18 21 $(this).parent().find('.js').toggle();
eads@18 22 }
eads@18 23 else {
eads@18 24 $(this).parent().find('.js').slideToggle();
eads@18 25 }
eads@18 26 return false;
eads@18 27 });
eads@18 28
eads@18 29 var cssSource = $('style', this);
eads@18 30 if (cssSource.length) {
eads@18 31 cssSource = $('<div class="css-source">' + cssSource.html() + '</div>');
eads@18 32 var css = $('<div class="css-link"><a href="#">css</a></div>').click(function(){
eads@18 33 if ($.browser.msie) {
eads@18 34 $(this).parent().find('.css-source').toggle();
eads@18 35 }
eads@18 36 else {
eads@18 37 $(this).parent().find('.css-source').slideToggle();
eads@18 38 }
eads@18 39 return false;
eads@18 40 });
eads@18 41 }
eads@18 42
eads@18 43 var jsSource = $('.js', this);
eads@18 44 $(jsSource).before(html);
eads@18 45 $(jsSource).before(htmlSource);
eads@18 46 textareaWrap(htmlSource);
eads@18 47 $('textarea', htmlSource).data('target', target[0]).change(function(){
eads@18 48 var newTarg = $($(this).val()).get(0);
eads@18 49 $($(this).data('target')).replaceWith(newTarg);
eads@18 50 $(this).data('target', newTarg);
eads@18 51 });
eads@18 52 htmlSource.hide();
eads@18 53
eads@18 54 if (typeof css != 'undefined') {
eads@18 55 $(jsSource).before(css);
eads@18 56 $(jsSource).before(cssSource);
eads@18 57 textareaWrap(cssSource);
eads@18 58 cssSource.hide();
eads@18 59 }
eads@18 60
eads@18 61 $(jsSource).before(jsLink);
eads@18 62 //eval the source!
eads@18 63 eval(jsSource.html());
eads@18 64 textareaWrap(jsSource, true);
eads@18 65 $('textarea', jsSource).change(function(){
eads@18 66 eval($(this).val());
eads@18 67 });
eads@18 68 jsSource.hide();
eads@18 69 });
eads@18 70
eads@18 71 // add BeautyTip to js and html-source textareas
eads@18 72 $('div.js textarea, div.html-source textarea').bt('This is live code. Feel free to edit and try out new options. Click (or tab) out of the textarea to see the results of your edits. If things go awry, reload the page.', {positions: 'right', trigger: ['focus', 'blur'], overlap: 8, width: 150, cssStyles: {fontSize: '11px'}});
eads@18 73 });
eads@18 74
eads@18 75 function textareaWrap(obj, escape) {
eads@18 76 var html = $(obj).html();
eads@18 77 if (escape) {
eads@18 78 html = escapeHTMLEncode(html);
eads@18 79 }
eads@18 80 $(obj).empty().append($('<textarea />').append(html));
eads@18 81 var $textarea = $('textarea', obj);
eads@18 82 $textarea.width('100%');
eads@18 83 var scrollHeight = $textarea.get(0).scrollHeight || 50;
eads@18 84 $('textarea', obj).css({height: scrollHeight});
eads@18 85 }
eads@18 86
eads@18 87 function escapeHTMLEncode(str) {
eads@18 88 var div = document.createElement('div');
eads@18 89 var text = document.createTextNode(str);
eads@18 90 div.appendChild(text);
eads@18 91 return div.innerHTML;
eads@18 92 }