/www/static/javascript/newsletter.js

 1/**
 2 * DHTML for newsletter preview
 3 * (c) 2009 and onwards, infoarena
 4 */
 5
 6// Resize iframe element height to frame document height. This
 7// should make the iframe vertical scrollbar disappear.
 8function Newsletter_ResizePreviewFrame() {
 9    var iframe = window.frameElement;
10    if (iframe) {
11        var new_height = document.body.scrollHeight + 10;
12        iframe.style.height = new_height + 'px';
13    }
14}
15
16function Newsletter_Init() {
17    if (!window.frameElement) {
18        /* Only trigger inside the iframe. */
19        return;
20    }
21    Newsletter_ResizePreviewFrame();
22    Newsletter_HijackLinks();
23}
24
25// Hijack all anchor clicks to Newsletter_LinkClick.
26// This only applies inside the iframe.
27function Newsletter_HijackLinks() {
28    map(function(anchor) { anchor.onclick=Newsletter_LinkClick; },
29        MochiKit.DOM.getElementsByTagAndClassName('a'));
30}
31
32// Click handler for links inside the iframe.
33// Instead of navigating inside the iframe, we change the location
34// of the parent window.
35function Newsletter_LinkClick(event) {
36    if (window.frameElement) {
37        window.parent.location = this.href;
38    }
39    return false;
40}
41
42connect(window, 'onload', Newsletter_Init);