50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
var inputComentUrl = document.getElementById("serendipity_commentform_url");
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var inputComentText = document.getElementById("serendipity_commentform_comment");
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function fetch_rss() {
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var url = inputComentUrl.value;
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if(!url.match(/^http/)) return;
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var divSelectRss = document.getElementById("serendipity_commentspice_rss");
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if (divSelectRss.style.display!='none') return; // allready done
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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); // 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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//alert("response: " + response);
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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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for (idx in jsonResponse) {
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var article = jsonResponse[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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}
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// Intialisation
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inputComentUrl.onblur = fetch_rss;
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inputComentText.onfocus = fetch_rss;
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