src/log2xml/treebits.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

/* Acknowledgement: this is based on the Wikipedia table-of-contents
 * toggle. */


var idCounter = 0;


function showTreeToggle(show,hide) {
    if (document.getElementById) {
        var id = "toggle_" + idCounter;
        document.writeln(
            '<a href="javascript:toggleTree(\'' + id + '\')" class="toggle" id="' + id + '">' +
            '<span class="showTree" style="display: none;">+</span>' +
            '<span class="hideTree">-</span>' +
            '</a>');
        idCounter = idCounter + 1;
    }
}


function toggleTree(id) {

    var href = document.getElementById(id);

    var node = href;
    var tree = null;
    while (node != null) {
        if (node.className == "nesting") tree = node;
        node = node.nextSibling;
    }

    node = href.firstChild;
    var hideTree = null;
    var showTree = null;
    while (node != null) {
        if (node.className == "showTree") showTree = node;
        else if (node.className == "hideTree") hideTree = node;
        node = node.nextSibling;
    }
    
    if (tree.style.display == 'none') {
        tree.style.display = '';
        hideTree.style.display = '';
        showTree.style.display = 'none';
    } else {
        tree.style.display = 'none';
        hideTree.style.display = 'none';
        showTree.style.display = '';
    }
}