1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/xml/tests/books/books.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,97 @@
1.4 +
1.5 +// An inefficient, but effective bubble sort
1.6 +function sort(collection, key)
1.7 +{
1.8 + var i, j;
1.9 + var count = collection.length;
1.10 + var parent, child;
1.11 +
1.12 + for (i = count-1; i >= 0; i--) {
1.13 + for (j = 1; j <= i; j++) {
1.14 + if (collection[j-1][key] > collection[j][key]) {
1.15 + // Move the item both in the local array and
1.16 + // in the tree
1.17 + child = collection[j];
1.18 + parent = child.parentNode;
1.19 +
1.20 + collection[j] = collection[j-1];
1.21 + collection[j-1] = child;
1.22 +
1.23 + parent.removeChild(child);
1.24 + parent.insertBefore(child, collection[j]);
1.25 + }
1.26 + }
1.27 + }
1.28 +}
1.29 +
1.30 +// Set user properties on the nodes in the collection
1.31 +// based on information found in its children. For example,
1.32 +// make a property "Author" based on the content of the
1.33 +// "Author" element found in the childNode list of the node.
1.34 +// This makes later sorting more efficient
1.35 +function collectInfo(nodes, propNames)
1.36 +{
1.37 + var i, j, k;
1.38 + var ncount = nodes.length;
1.39 + var pcount = propNames.length;
1.40 +
1.41 + for (i = 0; i < ncount; i++) {
1.42 + var node = nodes[i];
1.43 + var childNodes = node.childNodes;
1.44 + var ccount = childNodes.length;
1.45 +
1.46 + for (j = 0; j < ccount; j++) {
1.47 + var child = childNodes[j];
1.48 +
1.49 + if (child.nodeType == Node.ELEMENT_NODE) {
1.50 + var tagName = child.tagName;
1.51 +
1.52 + for (k = 0; k < pcount; k++) {
1.53 + var prop = propNames[k];
1.54 + if (prop == tagName) {
1.55 + node[prop] = child.firstChild.data;
1.56 + }
1.57 + }
1.58 + }
1.59 + }
1.60 + }
1.61 +}
1.62 +
1.63 +var enabled = true;
1.64 +function toggleStyleSheet()
1.65 +{
1.66 + if (enabled) {
1.67 + document.styleSheets[2].disabled = true;
1.68 + }
1.69 + else {
1.70 + document.styleSheets[2].disabled = false;
1.71 + }
1.72 +
1.73 + enabled = !enabled;
1.74 +}
1.75 +
1.76 +// XXX This is a workaround for a bug where
1.77 +// changing the disabled state of a stylesheet can't
1.78 +// be done in an event handler. For now, we do it
1.79 +// in a zero-delay timeout.
1.80 +function initiateToggle()
1.81 +{
1.82 + setTimeout(toggleStyleSheet, 0);
1.83 +}
1.84 +
1.85 +var sortableProps = new Array("Author", "Title", "ISBN");
1.86 +var books = new Array();
1.87 +
1.88 +// We uppercase the tagName as a workaround for a bug
1.89 +// that loses the original case of the tag.
1.90 +var bookset = document.getElementsByTagName("Book");
1.91 +
1.92 +// We need to create a "non-live" array to operate on. Since
1.93 +// we'll be moving things around in this array, we can't use
1.94 +// the read-only, live one returned by getElementsByTagName.
1.95 +for (var i=0; i < bookset.length; i++) {
1.96 + books[i] = bookset[i];
1.97 +}
1.98 +
1.99 +collectInfo(books, sortableProps);
1.100 +
