75 lines
2.7 KiB
JavaScript
75 lines
2.7 KiB
JavaScript
var inputCommentEmail = document.getElementById("serendipity_commentform_email");
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var inputCommentUrl = document.getElementById("serendipity_commentform_url");
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var inputCommentText = document.getElementById("serendipity_commentform_comment");
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var lastUrlChecked = null;
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var lastEmailChecked = null;
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function fetch_rss() {
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var url = inputCommentUrl.value;
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if(!url.match(/^http/)) {
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var divSelectRss = document.getElementById("serendipity_commentspice_rss");
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divSelectRss.style.display='none';
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lastUrlChecked = null;
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return;
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}
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var email = inputCommentEmail.value;
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if (url == lastUrlChecked && email == lastEmailChecked) return;
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var divSelectRss = document.getElementById("serendipity_commentspice_rss");
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if (window.XMLHttpRequest) { // Mozilla, Safari, Opera, IE7
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httpRequest = new XMLHttpRequest();
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} else if (window.ActiveXObject) { // IE6, IE5
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httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
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}
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httpRequest.onreadystatechange = function() {
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fetch_rss_ready(httpRequest);
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}
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// Method, url, Async = true / Sync = false
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httpRequest.open('POST', comentspice_fetchrss, true); // comentspice_fetchrss was set earlier.
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httpRequest.setRequestHeader('content-Type', 'application/x-www-form-urlencoded; charset='+s9yCharset);
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httpRequest.send('coment_url='+url+'&coment_email='+email); // Start request
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}
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function fetch_rss_ready(httpRequest){
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if (httpRequest.readyState == 4 && httpRequest.status == 200) {
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var response = httpRequest.responseText;
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var jsonResponse = eval('(' + response + ')');
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var divSelectRss = document.getElementById("serendipity_commentspice_rss");
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var selectRss = document.getElementById("serendipity_commentform_rss");
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if (selectRss==null) return;
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var articles = jsonResponse.articles;
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if (!comentspice_fetchrss_emailchanges && lastUrlChecked == jsonResponse.url) {
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// nothing to do
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lastEmailChecked = jsonResponse.email;
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return;
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}
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selectRss.options.length = 0;
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if (articles.length==0) {
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divSelectRss.style.display='none';
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}
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else {
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for (idx in articles) {
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var article = articles[idx];
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var option = document.createElement('option');
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option.text = article.title;
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option.value = article.url;
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try {
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selectRss.add(option, null); // standards compliant; doesn't work in IE
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}
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catch(ex) {
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selectRss.add(option); // IE only
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}
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}
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divSelectRss.style.display='';
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}
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lastUrlChecked = jsonResponse.url;
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lastEmailChecked = jsonResponse.email;
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}
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}
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// Intialisation
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inputCommentEmail.onblur = fetch_rss;
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inputCommentUrl.onblur = fetch_rss;
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inputCommentText.onfocus = fetch_rss;
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fetch_rss(); |