// --------------------------------------------------- // BLOGTOC // --------------------------------------------------- // BlogToc creates a clickable Table Of Contents for // Blogger Blogs. // It uses the JSON post feed, and create a ToC of it. // The ToC can be sorted by title or by date, both // ascending and descending, and can be filtered by // label. // --------------------------------------------------- // Author: Beautiful Beta // Url: http://beautifulbeta.blogspot.com // Version: 2 // Date: 2007-04-12 // --------------------------------------------------- // Modified by Aneesh // www.bloggerplugins.org // Date : 02-08-2011 // global arrays var postTitle = new Array(); // array of posttitles var postUrl = new Array(); // array of posturls var postDate = new Array(); // array of post publish dates var postSum = new Array(); // array of post summaries var postLabels = new Array(); // array of post labels // global variables var sortBy = "datenewest"; // default value for sorting ToC var tocLoaded = false; // true if feed is read and ToC can be displayed var numChars = 250; // number of characters in post summary var postFilter = ''; // default filter value var tocdiv = document.getElementById("bp_toc"); //the toc container var totalEntires =0; //Entries grabbed till now var totalPosts =0; //Total number of posts in the blog. // main callback function function loadtoc(json) { function getPostData() { // this functions reads all postdata from the json-feed and stores it in arrays if ("entry" in json.feed) { var numEntries = json.feed.entry.length; totalEntires = totalEntires + numEntries; totalPosts=json.feed.openSearch$totalResults.$t if(totalPosts>totalEntires) { var nextjsoncall = document.createElement('script'); nextjsoncall.type = 'text/javascript'; startindex=totalEntires+1; nextjsoncall.setAttribute("src", "/feeds/posts/summary?start-index=" + startindex + "&max-results=500&alt=json-in-script&callback=loadtoc"); tocdiv.appendChild(nextjsoncall); } // main loop gets all the entries from the feed for (var i = 0; i < numEntries; i++) { // get the entry from the feed var entry = json.feed.entry[i]; // get the posttitle from the entry var posttitle = entry.title.$t; // get the post date from the entry var postdate = entry.published.$t.substring(0,10); // get the post url from the entry var posturl; for (var k = 0; k < entry.link.length; k++) { if (entry.link[k].rel == 'alternate') { posturl = entry.link[k].href; break; } } // get the post contents from the entry // strip all html-characters, and reduce it to a summary if ("content" in entry) { var postcontent = entry.content.$t;} else if ("summary" in entry) { var postcontent = entry.summary.$t;} else var postcontent = ""; // strip off all html-tags var re = /<\S[^>]*>/g; postcontent = postcontent.replace(re, ""); // reduce postcontent to numchar characters, and then cut it off at the last whole word if (postcontent.length > numChars) { postcontent = postcontent.substring(0,numChars); var quoteEnd = postcontent.lastIndexOf(" "); postcontent = postcontent.substring(0,quoteEnd) + '...'; } // get the post labels from the entry var pll = ''; if ("category" in entry) { for (var k = 0; k < entry.category.length; k++) { pll += '' + entry.category[k].term + ', '; } var l = pll.lastIndexOf(','); if (l != -1) { pll = pll.substring(0,l); } } // add the post data to the arrays postTitle.push(posttitle); postDate.push(postdate); postUrl.push(posturl); postSum.push(postcontent); postLabels.push(pll); } } if(totalEntires==totalPosts) {tocLoaded=true;showToc();} } // end of getPostData // start of showtoc function body // get the number of entries that are in the feed // numEntries = json.feed.entry.length; // get the postdata from the feed getPostData(); // sort the arrays sortPosts(sortBy); tocLoaded = true; } // filter and sort functions function filterPosts(filter) { // This function changes the filter // and displays the filtered list of posts // document.getElementById("bp_toc").scrollTop = document.getElementById("bp_toc").offsetTop;; postFilter = filter; displayToc(postFilter); } // end filterPosts function allPosts() { // This function resets the filter // and displays all posts postFilter = ''; displayToc(postFilter); } // end allPosts function sortPosts(sortBy) { // This function is a simple bubble-sort routine // that sorts the posts function swapPosts(x,y) { // Swaps 2 ToC-entries by swapping all array-elements var temp = postTitle[x]; postTitle[x] = postTitle[y]; postTitle[y] = temp; var temp = postDate[x]; postDate[x] = postDate[y]; postDate[y] = temp; var temp = postUrl[x]; postUrl[x] = postUrl[y]; postUrl[y] = temp; var temp = postSum[x]; postSum[x] = postSum[y]; postSum[y] = temp; var temp = postLabels[x]; postLabels[x] = postLabels[y]; postLabels[y] = temp; } // end swapPosts for (var i=0; i < postTitle.length-1; i++) { for (var j=i+1; j postTitle[j]) { swapPosts(i,j); } } if (sortBy == "titledesc") { if (postTitle[i] < postTitle[j]) { swapPosts(i,j); } } if (sortBy == "dateoldest") { if (postDate[i] > postDate[j]) { swapPosts(i,j); } } if (sortBy == "datenewest") { if (postDate[i] < postDate[j]) { swapPosts(i,j); } } } } } // end sortPosts // displaying the toc function displayToc(filter) { // this function creates a three-column table and adds it to the screen var numDisplayed = 0; var tocTable = ''; var tocHead1 = 'POST TITLE'; var tocTool1 = 'Click to sort by title'; var tocHead2 = 'POST DATE'; var tocTool2 = 'Click to sort by date'; var tocHead3 = 'LABELS'; var tocTool3 = ''; if (sortBy == "titleasc") { tocTool1 += ' (descending)'; tocTool2 += ' (newest first)'; } if (sortBy == "titledesc") { tocTool1 += ' (ascending)'; tocTool2 += ' (newest first)'; } if (sortBy == "dateoldest") { tocTool1 += ' (ascending)'; tocTool2 += ' (newest first)'; } if (sortBy == "datenewest") { tocTool1 += ' (ascending)'; tocTool2 += ' (oldest first)'; } if (postFilter != '') { tocTool3 = 'Click to show all posts'; } tocTable += ''; tocTable += ''; tocTable += ''; tocTable += ''; tocTable += ''; tocTable += ''; for (var i = 0; i < postTitle.length; i++) { if (filter == '') { tocTable += ''; numDisplayed++; } else { z = postLabels[i].lastIndexOf(filter); if ( z!= -1) { tocTable += ''; numDisplayed++; } } } tocTable += '

'; tocTable += '' + tocHead1 + ''; tocTable += '	'; tocTable += '' + tocHead2 + ''; tocTable += '	'; tocTable += '' + tocHead3 + ''; tocTable += '
' + postTitle[i] + '	' + postDate[i] + '	' + postLabels[i] + '
' + postTitle[i] + '	' + postDate[i] + '	' + postLabels[i] + '

'; if (numDisplayed == postTitle.length) { var tocNote = 'Displaying all ' + postTitle.length + ' posts
'; } else { var tocNote = 'Displaying ' + numDisplayed + ' posts labeled \''; tocNote += postFilter + '\' of '+ postTitle.length + ' posts total
'; } tocdiv.innerHTML = tocNote + tocTable; } // end of displayToc function toggleTitleSort() { if (sortBy == "titleasc") { sortBy = "titledesc"; } else { sortBy = "titleasc"; } sortPosts(sortBy); displayToc(postFilter); } // end toggleTitleSort function toggleDateSort() { if (sortBy == "datenewest") { sortBy = "dateoldest"; } else { sortBy = "datenewest"; } sortPosts(sortBy); displayToc(postFilter); } // end toggleTitleSort function showToc() { if (tocLoaded) { displayToc(postFilter); var toclink = document.getElementById("toclink"); } else { alert("Just wait... TOC is loading"); } } function hideToc() { var tocdiv = document.getElementById("toc"); tocdiv.innerHTML = ''; var toclink = document.getElementById("toclink"); toclink.innerHTML = '» Show Table of Contents

'; }

GitHub Explorer