Chip 2011 November/CHIP_2011_11.iso/Programy/Narzedzia/MediaCoder/MediaCoder2011-R8-5188.exe/htdocs/prefs/prefs.js

Text File | 2010-02-25 | 4.4 KB | 184 lines

var curkey = null;
var curnode = null;
var url = document.location.href;
var xmlhttp = new XMLHttpRequest;

function GetToken(str, token)
{
    var idx = str.indexOf(token + '=');
    if (idx <= 0) return null;
    var argstr = str.substring(idx + token.length + 1);
    idx = argstr.indexOf('&');
    return idx >=0 ? argstr.substring(0, idx) : argstr;
}

function SetPrefValue(param, val)
{
    xmlhttp.open("GET", "/prefs/set?" + param + "=" + val, false);
    xmlhttp.send(null);
}

function GetPrefValue(param)
{
    xmlhttp.open("GET", "/prefs/get?path=" + param, false);
    xmlhttp.send(null);
    return xmlhttp.responseText;
}

function RevertPrefValue(param)
{
    xmlhttp.open("GET", "/prefs/revert?path=" + param, false);
    xmlhttp.send(null);
    return xmlhttp.responseText;
}

function getNextNode(node)
{
    while ((node = node.nextSibling) && node.nodeType!=1);
    return node;
}

function getChildNode(node)
{
    node = node.firstChild;
    while (node && node.nodeType != 1) {
        node = node.nextSibling;
    }
    return node;
}

function loadXML(xmlFile)
{
    var $xml = new XMLHttpRequest;
    $xml.open('GET', xmlFile, false);
    $xml.overrideMimeType('text/xml');
    $xml.send(null);
    var xml = $xml.responseXML;
    if (!xml) {
        alert("Unable to load "+xmlFile);
        return null;
    }
    return xml;
}

function transformXML(xmlDoc, xslDoc, element)
{
    var XSLT = new XSLTProcessor;
    XSLT.importStylesheet(xslDoc);
    var e = document.getElementById(element);
    if (e) {
        while (e.firstChild) e.removeChild(e.firstChild);
        e.appendChild(XSLT.transformToFragment(xmlDoc, document));
    }
}

function getTransformedXML(xmlDoc, xslDoc)
{
    var XSLT = new XSLTProcessor;
    XSLT.importStylesheet(xslDoc);
    return XSLT.transformToFragment(xmlDoc, document);
}

function UpdateTree(path)
{
    var xmlPath = "prefs.xml?text&type&value";
    if (path) xmlPath += "&path=" + path;
    var xmlFile = loadXML(xmlPath);
    var xslTree = loadXML("prefs.xsl");
    transformXML(xmlFile, xslTree, "treeview");
}

function ShowValue(path)
{
    var xmlPath = "prefs.xml?type&value&enum&range&desc&level=1";
    if (path) xmlPath += "&path=" + path;
    var xmlFile = loadXML(xmlPath);
    var xslFile = loadXML("value.xsl");
    transformXML(xmlFile, xslFile, "valuebox");

    xslFile = loadXML("desc.xsl");
    transformXML(xmlFile, xslFile, "descview");
    curkey = path;

    // update value in the tree
    var val = xmlFile.getElementsByTagName("value");
    if (val.length > 0) {
        UpdateListValue(val[0].firstChild.nodeValue);
    }
}

function UpdateListValue(value)
{
    if (curnode) {
        var rownode = curnode.firstChild.firstChild;
        if ((rownode = rownode.nextSibling) && (rownode = rownode.nextSibling))
            rownode.setAttribute("label", value);
    }
}

function RevertValue()
{
    if (curkey) {
        var val = RevertPrefValue(curkey);
        ShowValue(curkey);
    }
}

function SaveValue(value)
{
    if (curkey) {
        if (!value) value = "";
        SetPrefValue(curkey, value);
        UpdateListValue(value);
    }
}

function ChooseFile()
{
    var nsIFilePicker = Components.interfaces.nsIFilePicker;
    var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
    fp.init(window, "Select a File", nsIFilePicker.modeOpen);
    var res = fp.show();
    if (res == nsIFilePicker.returnOK){
      var thefile = fp.file;
        alert(thefile);
        return thefile;
    }
    return null;
}

function Init()
{
    UpdateTree(GetToken(url, "path"));
    document.getElementById("topfrm").setAttribute("src", "http://www.mediacoderhq.com/info/preftop.html");
}

function onTreeSelected(tree)
{
    var curidx = tree.currentIndex;
    var items = tree.getElementsByTagName("treeitem");
    var i;
    for (i = 0, idx = 0; i < items.length && idx < curidx; i++, idx++) {
        if (items[i].getAttribute("container") == "true") {
            if (items[i].getAttribute("open") != "true") {
                // skip child nodes
                var next = items[i].nextSibling;
                if (!next) next = items[i].parentNode.parentNode.nextSibling;
                if (next) {
                    // look for the next right node in items array
                    for (i++; i < items.length && items[i] != next; i++);
                    i--;
                }
            }
        }
    }
    if (idx == curidx) {
        var key = items[i].getAttribute("uri");
        var node = items[i];
        while ((node = node.parentNode) && (node = node.parentNode) && node.nodeName == "treeitem") {
            key = node.getAttribute("uri") + "." + key;
        }
        curnode = items[i];
        ShowValue(key);
    }
}