2 function TreeView_ToggleExpand (treeId, nodeId, nodeValue, nodeImageUrl, nodeNavigateUrl, nodeTarget) {
3 var tree = getTree (treeId);
6 var spanId = treeId + "_" + nodeId;
7 var node = document.getElementById (spanId);
8 var expand = node.style.display == "none";
10 if (tree.populateFromClient && expand && node.populated != true && (node.innerHTML.length == 0 || node.hasError)) {
11 tree.PopulateNode (nodeId, nodeValue, nodeImageUrl, nodeNavigateUrl, nodeTarget);
16 node.populated = true;
18 node.style.display = expand ? "block" : "none";
20 var inputStates = tree.form [treeId + "_ExpandStates"];
21 TreeView_SetNodeFlag (inputStates, nodeId, expand);
24 var image = document.getElementById (spanId + "_img");
25 if (expand) image.src = tree.collapseImage;
26 else image.src = tree.expandImage;
28 if (expand) alt = tree.collapseAlt;
29 else alt = tree.expandAlt;
31 if (alt.indexOf ("{0}") != -1) {
32 var txt = document.getElementById (spanId + "_txt").innerText;
33 alt = alt.replace ("{0}", txt);
39 function TreeView_PopulateNode (uid, treeId, nodeId, nodeValue, nodeImageUrl, nodeNavigateUrl, nodeTarget)
41 var arg = nodeId + "|" + nodeValue + "|" + nodeImageUrl + "|" + nodeNavigateUrl + "|" + nodeTarget;
42 window.WebForm_DoCallback (uid, arg, TreeView_PopulateCallback, treeId + " " + nodeId, TreeView_PopulateCallback, false);
45 function TreeView_SetNodeFlag (flagInput, nodeId, set)
47 if (!set) flagInput.value = flagInput.value.replace ("|" + nodeId + "|", "|");
48 else flagInput.value = flagInput.value + nodeId + "|";
51 function TreeView_PopulateCallback (data, ids)
53 var idArray = ids.split (" ");
54 var tree = getTree (idArray[0]);
57 var spanId = idArray[0] + "_" + idArray[1];
58 var node = document.getElementById (spanId);
59 node.populated = true;
61 node.innerHTML = data;
62 TreeView_ToggleExpand (idArray[0], idArray[1]);
63 TreeView_SetNodeFlag (tree.form [idArray[0] + "_PopulatedStates"], idArray[1], true);
65 if (tree.showImage && tree.noExpandImage != null) {
66 var image = document.getElementById (spanId + "_img");
67 image.src = tree.noExpandImage;
72 function getTree (treeId) { try { return eval (treeId + "_data"); } catch(e) { return null; } }
73 function getNodeLink (node) { return node.childNodes[node.childNodes.length - 1]; }
75 function TreeView_HoverNode (treeId, node)
77 var tree = getTree (treeId);
80 if (tree.hoverClass != null) {
81 if (node.normalClass == null)
82 node.normalClass = node.className;
83 node.className = node.normalClass + " " + tree.hoverClass;
85 if (tree.hoverLinkClass != null) {
86 var nodeLink = getNodeLink(node);
87 if (nodeLink.normalClass == null)
88 nodeLink.normalClass = nodeLink.className;
89 nodeLink.className = nodeLink.normalClass + " " + tree.hoverLinkClass;
93 function TreeView_UnhoverNode (node) {
94 if (node != null && node.normalClass != null)
95 node.className = node.normalClass;
96 var nodeLink = getNodeLink(node);
97 if (nodeLink != null && nodeLink.normalClass != null)
98 nodeLink.className = nodeLink.normalClass;