mirror of
https://github.com/kennethreitz/dive-into-python3.git
synced 2026-06-05 23:10:17 +00:00
Mark Pilgrim
106 lines
3.7 KiB
JavaScript
106 lines
3.7 KiB
JavaScript
//google.load("jquery", "1.3");
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//google.setOnLoadCallback(function() {
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$(document).ready(function() {
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hideTOC();
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/* "hide", "open in new window", and (optionally) "download" widgets on code & screen blocks */
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var HS = {'visible': 'hide', 'hidden': 'show'};
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$("pre > code").each(function(i) {
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var pre = $(this.parentNode);
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if (pre.parents("table").length == 0) {
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pre.addClass("code");
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}
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});
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$("pre.code, pre.screen").each(function(i) {
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this.id = "autopre" + i;
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$(this).wrapInner('<div class="b"></div>');
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$(this).prepend('<div class="w">[<a class="toggle" href="javascript:toggleCodeBlock(\'' + this.id + '\')">' + HS['visible'] + '</a>] [<a href="javascript:plainTextOnClick(\'' + this.id + '\')">open in new window</a>]</div>');
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$(this).prev("p.d").each(function(i) {
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$(this).next("pre").find("div.w").append(" " + $(this).html());
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this.parentNode.removeChild(this);
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});
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/* create skip links */
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var postelm = $(this).next().get(0);
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var postid = postelm.id || ("postautopre" + i);
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postelm.id = postid;
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$(this).before('<p class=skip><a href=#' + postid + '>skip over this code listing</a>');
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});
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/* make skip links disappear until you tab to them */
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$(".skip a").blur(function() {
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$(this).css({'position':'absolute','left':'0px','top':'-500px','width':'1px','height':'1px','overflow':'hidden'});
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});
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$(".skip a").blur();
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$(".skip a").focus(function() {
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$(this).css({'position':'static','width':'auto','height':'auto'});
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});
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// synchronized highlighting on callouts and their associated lines within code & screen blocks
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var hip = {'background-color':'#eee','cursor':'default'};
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var unhip = {'background-color':'inherit','cursor':'inherit'};
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$("pre.code, pre.screen").each(function() {
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$(this).find("a:not([href])").each(function(i) {
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var a = $(this);
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var li = a.parents("pre").next("ol").find("li:nth-child(" + (i+1) + ")");
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li.add(a).hover(function() { a.css(hip); li.css(hip); },
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function() { a.css(unhip); li.css(unhip); });
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});
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});
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// synchronized highlighting on callouts and their associated table rows
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$("table").each(function() {
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$(this).find("tr:gt(0)").each(function(i) {
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var tr = $(this);
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var li = tr.parents("table").next("ol").find("li:nth-child(" + (i+1) + ")");
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if (li.length > 0) {
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li.add(tr).hover(function() { tr.css(hip); li.css(hip); },
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function() { tr.css(unhip); li.css(unhip); });
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}
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});
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});
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}); /* document.ready */
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//}); /* google.setOnLoadCallback */
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function toggleCodeBlock(id) {
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$("#" + id).find("div.b").toggle();
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var a = $("#" + id).find("a.toggle");
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a.text(a.text() == HS['visible'] ? HS['hidden'] : HS['visible']);
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}
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function plainTextOnClick(id) {
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var clone = $("#" + id).clone();
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clone.find("div.w, span").remove();
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var win = window.open("about:blank", "plaintext", "toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=600,height=400,left=35,top=75");
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win.document.open();
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win.document.write('<pre>' + clone.html());
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win.document.close();
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}
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function hideTOC() {
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var toc = '<span>‣</span> <a href="javascript:showTOC()">show table of contents</a>';
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$("#toc").html(toc);
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}
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function showTOC() {
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var toc = '';
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var old_level = 1;
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$('h2,h3').each(function(i, h) {
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level = parseInt(h.tagName.substring(1));
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if (level < old_level) {
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toc += '</ol>';
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} else if (level > old_level) {
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toc += '<ol>';
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}
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toc += '<li><a href=#' + h.id + '>' + h.innerHTML + '</a>';
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old_level = level;
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});
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while (level > 1) {
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toc += '</ol>';
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level -= 1;
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}
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toc = '<span>▾</span> <a href="javascript:hideTOC()">hide table of contents</a>' + toc;
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$("#toc").html(toc);
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}
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