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284 lines
9.6 KiB
284 lines
9.6 KiB
function Progressbar(length, parent) {
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// the description (displayed above the progressbar while loading the results), should be translated
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var DESCRIPTION_STRING = "Loading results...";
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// the number of steps of the bar
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this.length = length;
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// the current position, expressed in steps (so 100% = length)
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this.position = 0;
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// the current percentage of the bar
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this.percentage = 0
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// use this function to display the progress, because it updates everything
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this.step = function(count) {
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this.position += count;
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// update the bar
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this.percentage = this.position*(100/this.length);
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this.fill.style.width = this.percentage + "%";
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// if the end is reached, the bar is hidden/removed
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if(this.position==this.length)
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removeAllChildren(this.element);
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}
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// the actual progressbar
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var bar = document.createElement("div");
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bar.className = "ProgressBar";
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bar.style.width = "100%";
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bar.style.height = "20px";
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bar.style.margin = "10px auto";
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bar.style.textAlign = "left";
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// the actual bar
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this.fill = document.createElement("div");
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this.fill.className = "ProgressBarFill";
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this.fill.style.width = "0%"
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bar.appendChild(this.fill);
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// a description for the bar
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var description = document.createTextNode(DESCRIPTION_STRING);
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var textcontainer = document.createElement("strong");
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textcontainer.appendChild(description);
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// the container for the elements used by the Progressbar
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this.element = document.createElement("div");
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this.element.style.textAlign = "center";
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// get hasLayout in IE, needed because of the percentage as width of the bar
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this.element.className = "gainlayout";
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this.element.appendChild(textcontainer);
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this.element.appendChild(bar);
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parent.appendChild(this.element);
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}
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function AllTextSnippets(query) {
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var span = document.getElementsByTagName("span");
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for(var x=0;x<span.length;x++) {
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if (span[x].className == 'snippetLoading') {
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var url = document.getElementById("url" + span[x].id.substring(1));
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requestTextSnippet(url,query);
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}
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}
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}
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function AllMediaSnippets(query, mediatype) {
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var span = document.getElementsByTagName("span");
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for(var x=0;x<span.length;x++) {
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if (span[x].className == 'snippetLoading') {
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var url = document.getElementById("url" + span[x].id);
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requestMediaSnippet(url,query,mediatype);
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}
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}
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}
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function AllImageSnippets(urls, query) {
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document.getElementById("linkcount").innerHTML = 0;
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var container = document.getElementById("results");
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var progressbar = new Progressbar(urls.length, container);
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for(url in urls) {
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requestImageSnippet(urls[url],query,progressbar);
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}
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}
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function requestTextSnippet(url, query){
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var request=createRequestObject();
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request.open('get', '/xml/snippet.xml?url=' + escape(url) + '&remove=true&media=text&search=' + escape(query),true);
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request.onreadystatechange = function () {handleTextState(request)};
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request.send(null);
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}
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function requestMediaSnippet(url, query, mediatype){
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var request=createRequestObject();
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request.open('get', '/xml/snippet.xml?url=' + escape(url) + '&remove=true&media=' + escape(mediatype) + '&search=' + escape(query),true);
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request.onreadystatechange = function () {handleMediaState(request)};
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request.send(null);
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}
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function requestImageSnippet(url, query, progressbar){
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var request=createRequestObject();
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request.open('get', '/xml/snippet.xml?url=' + escape(url) + '&remove=true&media=image&search=' + escape(query),true);
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request.onreadystatechange = function () {handleImageState(request, progressbar)};
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request.send(null);
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}
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function show_hidden_results(){
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results=document.getElementsByName("searchresults");
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for(i=0;i<results.length;i++){
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results[i].setAttribute("style", "display: visible");
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}
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}
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function handleTextState(req) {
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if(req.readyState != 4){
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return;
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}
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var response = req.responseXML;
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var snippetText = response.getElementsByTagName("text")[0].firstChild.data;
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var urlHash = response.getElementsByTagName("urlHash")[0].firstChild.data;
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var status = response.getElementsByTagName("status")[0].firstChild.data;
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var span = document.getElementById("h" + urlHash);
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removeAllChildren(span);
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//span.removeChild(span.firstChild);
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if (status < 11) {
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span.className = "snippetLoaded";
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} else {
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span.className = "snippetError";
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span.parentNode.parentNode.setAttribute("style", "display: none");
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document.getElementById("hidden_results").innerHTML='Some results were hidden, because they do not contain your searchwords anymore, or because they are not accessible. Click here to <a href="javascript:show_hidden_results()">show them</a>';
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}
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// set URL to favicon (if a link-tag was found in the document)
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if (response.getElementsByTagName("favicon")[0].firstChild != null) {
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var img = document.getElementById("f" + urlHash);
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img.src = response.getElementsByTagName("favicon")[0].firstChild.data;
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}
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// replace "<b>" text by <strong> node
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var pos1=snippetText.indexOf("<b>");
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var pos2=snippetText.indexOf("</b>");
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while (pos1 >= 0 && pos2 > pos1) {
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leftString = document.createTextNode(snippetText.substring(0, pos1)); //other text
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if (leftString != "") span.appendChild(leftString);
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//add the bold text
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strongNode=document.createElement("strong");
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middleString=document.createTextNode(snippetText.substring(pos1 + 3, pos2));
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strongNode.appendChild(middleString);
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span.appendChild(strongNode);
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// cut out left and middle and go on with remaining text
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snippetText=snippetText.substring(pos2 + 4);
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pos1=snippetText.indexOf("<b>");
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pos2=snippetText.indexOf("</b>");
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}
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// add remaining string
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if (snippetText != "") {
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span.appendChild(document.createTextNode(snippetText));
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}
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}
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function handleMediaState(req) {
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if(req.readyState != 4){
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return;
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}
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var response = req.responseXML;
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var urlHash = response.getElementsByTagName("urlHash")[0].firstChild.data;
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var links = response.getElementsByTagName("links")[0].firstChild.data;
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var span = document.getElementById(urlHash)
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removeAllChildren(span);
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if (links > 0) {
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span.className = "snippetLoaded";
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for (i = 0; i < links; i++) {
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var type = response.getElementsByTagName("type")[i].firstChild.data;
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var href = response.getElementsByTagName("href")[i].firstChild.data;
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var name = response.getElementsByTagName("name")[i].firstChild.data;
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var attr = response.getElementsByTagName("attr")[i].firstChild.data;
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var nameanchor = document.createElement("a");
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nameanchor.setAttribute("href", href);
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nameanchor.appendChild(document.createTextNode(name));
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var linkanchor = document.createElement("a");
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linkanchor.setAttribute("href", href);
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linkanchor.appendChild(document.createTextNode(href));
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var col1 = document.createElement("td");
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col1.setAttribute("width", "200");
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col1.appendChild(nameanchor);
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var col2 = document.createElement("td");
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col2.setAttribute("width", "500");
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col2.appendChild(linkanchor);
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var row = document.createElement("tr");
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row.className = "TableCellDark";
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row.appendChild(col1);
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row.appendChild(col2);
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var table = document.createElement("table");
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table.appendChild(row);
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span.appendChild(table);
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}
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} else {
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span.className = "snippetError";
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span.appendChild(document.createTextNode(""));
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}
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}
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function handleImageState(req, progressbar) {
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if(req.readyState != 4)
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return;
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var response = req.responseXML;
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// on errors, the result might not contain the expected elements and would throw an error, so we check for it here
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if (response.getElementsByTagName("urlHash")) {
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// the urlHash is not needed anymore at the moment
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//var urlHash = response.getElementsByTagName("urlHash")[0].firstChild.data;
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var links = response.getElementsByTagName("links")[0].firstChild.data;
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var div = document.getElementById("results")
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if (links > 0) {
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for (i = 0; i < links; i++) {
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var type = response.getElementsByTagName("type")[i].firstChild.data;
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var href = response.getElementsByTagName("href")[i].firstChild.data;
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var name = response.getElementsByTagName("name")[i].firstChild.data;
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var attr = response.getElementsByTagName("attr")[i].firstChild.data;
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// <a href="#[url]#"><img src="/ViewImage.png?maxwidth=96&maxheight=96&url=#[url]#" /></a><br /><a href="#[url]#">#[name]#</a>
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var img = document.createElement("img");
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img.setAttribute("src", "/ViewImage.png?maxwidth=96&maxheight=96&url=" + href);
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img.setAttribute("alt", name);
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var imganchor = document.createElement("a");
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imganchor.setAttribute("href", href);
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imganchor.className = "thumblink";
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imganchor.appendChild(img);
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var nameanchor = document.createElement("a");
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nameanchor.setAttribute("href", href);
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nameanchor.appendChild(document.createTextNode(name));
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var textcontainer = document.createElement("div");
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textcontainer.className = "TableCellDark";
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textcontainer.appendChild(nameanchor);
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var thumbcontainer = document.createElement("div");
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thumbcontainer.className = "thumbcontainer";
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thumbcontainer.appendChild(imganchor);
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thumbcontainer.appendChild(textcontainer);
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div.appendChild(thumbcontainer);
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//span.appendChild(imganchor);
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document.getElementById("linkcount").innerHTML++;
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}
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}
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}
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progressbar.step(1);
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}
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function addHover() {
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if (document.all&&document.getElementById) {
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var divs = document.getElementsByTagName("div");
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for (i=0; i<divs.length; i++) {
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var node = divs[i];
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if (node.className=="searchresults") {
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node.onmouseover=function() {
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this.className+=" hover";
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}
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node.onmouseout=function() {
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this.className=this.className.replace(" hover", "");
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}
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}
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}
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}
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}
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