104 line
3.2 KiB
JavaScript
104 line
3.2 KiB
JavaScript
(function ($) {
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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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var $fieldset = $(fieldset);
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if ($fieldset.is('.collapsed')) {
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var $content = $('> .fieldset-wrapper', fieldset).hide();
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$fieldset
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.removeClass('collapsed')
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.trigger({ type: 'collapsed', value: false })
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.find('> legend span.fieldset-legend-prefix').html(Drupal.t('Hide'));
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$content.slideDown({
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duration: 'fast',
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easing: 'linear',
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complete: function () {
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Drupal.collapseScrollIntoView(fieldset);
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fieldset.animating = false;
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},
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step: function () {
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// Scroll the fieldset into view.
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Drupal.collapseScrollIntoView(fieldset);
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}
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});
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}
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else {
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$fieldset.trigger({ type: 'collapsed', value: true });
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$('> .fieldset-wrapper', fieldset).slideUp('fast', function () {
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$fieldset
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.addClass('collapsed')
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.find('> legend span.fieldset-legend-prefix').html(Drupal.t('Show'));
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fieldset.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 = document.documentElement.clientHeight || document.body.clientHeight || 0;
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var offset = document.documentElement.scrollTop || document.body.scrollTop || 0;
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var posY = $(node).offset().top;
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var fudge = 55;
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if (posY + node.offsetHeight + fudge > h + offset) {
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if (node.offsetHeight > h) {
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window.scrollTo(0, posY);
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}
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else {
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window.scrollTo(0, posY + node.offsetHeight - h + fudge);
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}
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}
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};
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Drupal.behaviors.collapse = {
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attach: function (context, settings) {
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$('fieldset.collapsible', context).once('collapse', function () {
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var $fieldset = $(this);
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// Expand fieldset if there are errors inside, or if it contains an
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// element that is targeted by the URI fragment identifier.
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var anchor = location.hash && location.hash != '#' ? ', ' + location.hash : '';
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if ($fieldset.find('.error' + anchor).length) {
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$fieldset.removeClass('collapsed');
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}
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var summary = $('<span class="summary"></span>');
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$fieldset.
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bind('summaryUpdated', function () {
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var text = $.trim($fieldset.drupalGetSummary());
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summary.html(text ? ' (' + text + ')' : '');
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})
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.trigger('summaryUpdated');
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// Turn the legend into a clickable link, but retain span.fieldset-legend
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// for CSS positioning.
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var $legend = $('> legend .fieldset-legend', this);
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$('<span class="fieldset-legend-prefix element-invisible"></span>')
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.append($fieldset.hasClass('collapsed') ? Drupal.t('Show') : Drupal.t('Hide'))
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.prependTo($legend)
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.after(' ');
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// .wrapInner() does not retain bound events.
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var $link = $('<a class="fieldset-title" href="#"></a>')
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.prepend($legend.contents())
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.appendTo($legend)
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.click(function () {
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var fieldset = $fieldset.get(0);
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// Don't animate multiple times.
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if (!fieldset.animating) {
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fieldset.animating = true;
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Drupal.toggleFieldset(fieldset);
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}
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return false;
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});
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$legend.append(summary);
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});
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}
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};
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})(jQuery);
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