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// $Id$
Drupal.collapseAutoAttach = function () {
$('fieldset.collapsible legend').each(function () {
// Turn the legend into clickable link
var a = document.createElement('a');
a.href = '#';
$(a)
.click(function() {
var fieldset = this.parentNode.parentNode;
// Prevent double animations
if (fieldset.animating) {
return false;
}
fieldset.animating = true;
if ($(fieldset).is('.collapsed')) {
// Open fieldset with animation
$(fieldset.contentWrapper).hide();
$(fieldset).removeClass('collapsed');
$(fieldset.contentWrapper).slideDown(300,
{
// Make sure we open to height auto
complete: function() {
$(fieldset.contentWrapper).css('height', 'auto');
Drupal.collapseScrollIntoView(fieldset);
fieldset.animating = false;
},
// Scroll the fieldset into view
step: function() {
Drupal.collapseScrollIntoView(fieldset);
}
}
);
if (typeof Drupal.textareaAttach != 'undefined') {
// Initialize resizable textareas that are now revealed
Drupal.textareaAttach(null, fieldset);
}
}
else {
// Collapse fieldset with animation (reverse of opening)
$(fieldset.contentWrapper)
.slideUp('medium', function () { $(fieldset).addClass('collapsed'); fieldset.animating = false; } )
.show();
}
this.blur();
return false;
})
.html(this.innerHTML);
$(this)
.empty()
.append(a);
// Wrap fieldsets contents (except for the legend) into wrapper divs for animating.
// div1 is used to avoid margin problems inside fieldsets,
// div2 is the one that is actually animated.
var div1 = document.createElement('div');
var div2 = document.createElement('div');
this.parentNode.contentWrapper = div2;
$(this).after(div1);
$(div1).append(div2);
var el = div1.nextSibling;
while (el != null) {
var next = el.nextSibling;
$(el).remove();
$(div2).append(el);
el = next;
}
// Avoid jumping around due to margins collapsing into fieldset border
$(div1).css('overflow', 'hidden');
// Expand if there are errors inside
if ($('input.error, textarea.error, select.error', this.parentNode).size() > 0) {
$(this.parentNode).removeClass('collapsed');
}
});
}
/**
* Scroll a given fieldset into view as much as possible.
*/
Drupal.collapseScrollIntoView = function (node) {
var h = self.innerHeight || document.documentElement.clientHeight || document.body.clientHeight || 0;
var offset = self.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;
var pos = Drupal.absolutePosition(node);
var fudge = 55;
if (pos.y + node.offsetHeight + fudge > h + offset) {
if (node.offsetHeight > h) {
window.scrollTo(0, pos.y);
} else {
window.scrollTo(0, pos.y + node.offsetHeight - h + fudge);
}
}
}
// Global Killswitch
if (Drupal.jsEnabled) {
$(document).ready(Drupal.collapseAutoAttach);
}
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