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function new_node(me, mom, text, link, children_data)
{
var node = new Object();
node.children = Array();
node.children_data = children_data;
node.depth = mom.depth + 1;
node.li = document.createElement("li");
mom.get_children_ul().appendChild(node.li);
node.label_div = document.createElement("div");
node.li.appendChild(node.label_div);
node.label_div.style.paddingLeft = 10*node.depth + "px";
node.label_div.className = "label";
if (children_data == null) {
// 12 is the width of the triangle and padding extra space
node.label_div.style.paddingLeft = ((10*node.depth)+12) + "px";
} else {
node.label_div.style.paddingLeft = 10*node.depth + "px";
node.expand_toggle = document.createElement("a");
node.expand_toggle.href = "javascript:void(0)";
node.expand_toggle.onclick = function() {
if (node.expanded) {
$(node.get_children_ul()).slideUp("fast");
node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
node.expanded = false;
} else {
expand_node(me, node);
}
};
node.label_div.appendChild(node.expand_toggle);
node.plus_img = document.createElement("img");
node.plus_img.src = me.toroot + "assets/images/triangle-closed-small.png";
node.plus_img.className = "plus";
node.plus_img.border = "0";
node.expand_toggle.appendChild(node.plus_img);
node.expanded = false;
}
var a = document.createElement("a");
node.label_div.appendChild(a);
node.label = document.createTextNode(text);
a.appendChild(node.label);
if (link) {
a.href = me.toroot + link;
} else {
if (children_data != null) {
a.className = "nolink";
a.href = "javascript:void(0)";
a.onclick = node.expand_toggle.onclick;
// This next line shouldn't be necessary. I'll buy a beer for the first
// person who figures out how to remove this line and have the link
// toggle shut on the first try. --joeo@android.com
node.expanded = false;
}
}
node.children_ul = null;
node.get_children_ul = function() {
if (!node.children_ul) {
node.children_ul = document.createElement("ul");
node.children_ul.className = "children_ul";
node.children_ul.style.display = "none";
node.li.appendChild(node.children_ul);
}
return node.children_ul;
};
return node;
}
function expand_node(me, node)
{
if (node.children_data && !node.expanded) {
if (node.children_visited) {
$(node.get_children_ul()).slideDown("fast");
} else {
get_node(me, node);
$(node.get_children_ul()).slideDown("fast");
}
node.plus_img.src = me.toroot + "assets/images/triangle-opened-small.png";
node.expanded = true;
}
}
function get_node(me, mom)
{
mom.children_visited = true;
for (var i in mom.children_data) {
var node_data = mom.children_data[i];
mom.children[i] = new_node(me, mom, node_data[0], node_data[1],
node_data[2]);
}
}
function this_page_relative(toroot)
{
var full = document.location.pathname;
var file = "";
if (toroot.substr(0, 1) == "/") {
if (full.substr(0, toroot.length) == toroot) {
return full.substr(toroot.length);
} else {
// the file isn't under toroot. Fail.
return null;
}
} else {
if (toroot != "./") {
toroot = "./" + toroot;
}
do {
if (toroot.substr(toroot.length-3, 3) == "../" || toroot == "./") {
var pos = full.lastIndexOf("/");
file = full.substr(pos) + file;
full = full.substr(0, pos);
toroot = toroot.substr(0, toroot.length-3);
}
} while (toroot != "" && toroot != "/");
return file.substr(1);
}
}
function find_page(url, data)
{
var nodes = data;
var result = null;
for (var i in nodes) {
var d = nodes[i];
if (d[1] == url) {
return new Array(i);
}
else if (d[2] != null) {
result = find_page(url, d[2]);
if (result != null) {
return (new Array(i).concat(result));
}
}
}
return null;
}
function init_navtree(navtree_id, toroot, root_nodes)
{
var me = new Object();
me.toroot = toroot;
me.node = new Object();
me.node.li = document.getElementById(navtree_id);
me.node.children_data = root_nodes;
me.node.children = new Array();
me.node.children_ul = document.createElement("ul");
me.node.get_children_ul = function() { return me.node.children_ul; };
//me.node.children_ul.className = "children_ul";
me.node.li.appendChild(me.node.children_ul);
me.node.depth = 0;
get_node(me, me.node);
me.this_page = this_page_relative(toroot);
me.breadcrumbs = find_page(me.this_page, root_nodes);
if (me.breadcrumbs != null && me.breadcrumbs.length != 0) {
var mom = me.node;
for (var i in me.breadcrumbs) {
var j = me.breadcrumbs[i];
mom = mom.children[j];
expand_node(me, mom);
}
mom.label_div.className = mom.label_div.className + " selected";
addLoadEvent(function() {
scrollIntoView("nav-tree");
});
}
}
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