74 lines
2.3 KiB
JavaScript
74 lines
2.3 KiB
JavaScript
// $Id$
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/**
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* Toggle the visibility of a fieldset using smooth animations
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*/
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Drupal.toggleFieldset = function(fieldset) {
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if ($(fieldset).is('.collapsed')) {
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var content = $('> div', fieldset);
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$(fieldset).removeClass('collapsed');
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content.hide();
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content.slideDown( {
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duration: 'fast',
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easing: 'linear',
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complete: function() {
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Drupal.collapseScrollIntoView(this.parentNode);
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this.parentNode.animating = false;
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},
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step: function() {
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// Scroll the fieldset into view
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Drupal.collapseScrollIntoView(this.parentNode);
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}
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});
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}
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else {
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var content = $('> div', fieldset).slideUp('fast', function() {
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$(this.parentNode).addClass('collapsed');
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this.parentNode.animating = false;
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});
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}
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};
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/**
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* Scroll a given fieldset into view as much as possible.
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*/
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Drupal.collapseScrollIntoView = function (node) {
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var h = self.innerHeight || document.documentElement.clientHeight || $('body')[0].clientHeight || 0;
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var offset = self.pageYOffset || document.documentElement.scrollTop || $('body')[0].scrollTop || 0;
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var pos = Drupal.absolutePosition(node);
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var fudge = 55;
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if (pos.y + node.offsetHeight + fudge > h + offset) {
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if (node.offsetHeight > h) {
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window.scrollTo(0, pos.y);
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} else {
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window.scrollTo(0, pos.y + node.offsetHeight - h + fudge);
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}
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}
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};
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Drupal.behaviors.collapse = function (context) {
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$('fieldset.collapsible > legend:not(.collapse-processed)', context).each(function() {
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var fieldset = $(this.parentNode);
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// Expand if there are errors inside
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if ($('input.error, textarea.error, select.error', fieldset).size() > 0) {
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fieldset.removeClass('collapsed');
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}
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// Turn the legend into a clickable link and wrap the contents of the fieldset
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// in a div for easier animation
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var text = this.innerHTML;
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$(this).empty().append($('<a href="#">'+ text +'</a>').click(function() {
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var fieldset = $(this).parents('fieldset:first')[0];
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// Don't animate multiple times
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if (!fieldset.animating) {
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fieldset.animating = true;
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Drupal.toggleFieldset(fieldset);
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}
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return false;
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}))
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.after($('<div class="fieldset-wrapper"></div>')
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.append(fieldset.children(':not(legend)')))
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.addClass('collapse-processed');
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});
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};
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