97 lines
3.8 KiB
JavaScript
97 lines
3.8 KiB
JavaScript
(function ($) {
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Drupal.behaviors.tableSelect = {
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attach: function (context, settings) {
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// Select the inner-most table in case of nested tables.
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$('th.select-all', context).closest('table').once('table-select', Drupal.tableSelect);
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}
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};
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Drupal.tableSelect = function () {
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// Do not add a "Select all" checkbox if there are no rows with checkboxes in the table
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if ($('td input:checkbox', this).length == 0) {
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return;
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}
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// Keep track of the table, which checkbox is checked and alias the settings.
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var table = this, checkboxes, lastChecked;
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var strings = { 'selectAll': Drupal.t('Select all rows in this table'), 'selectNone': Drupal.t('Deselect all rows in this table') };
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var updateSelectAll = function (state) {
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// Update table's select-all checkbox (and sticky header's if available).
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$(table).prev('table.sticky-header').andSelf().find('th.select-all input:checkbox').each(function() {
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$(this).attr('title', state ? strings.selectNone : strings.selectAll);
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this.checked = state;
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});
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};
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// Find all <th> with class select-all, and insert the check all checkbox.
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$('th.select-all', table).prepend($('<input type="checkbox" class="form-checkbox" />').attr('title', strings.selectAll)).click(function (event) {
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if ($(event.target).is('input:checkbox')) {
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// Loop through all checkboxes and set their state to the select all checkbox' state.
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checkboxes.each(function () {
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this.checked = event.target.checked;
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// Either add or remove the selected class based on the state of the check all checkbox.
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$(this).closest('tr').toggleClass('selected', this.checked);
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});
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// Update the title and the state of the check all box.
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updateSelectAll(event.target.checked);
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}
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});
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// For each of the checkboxes within the table that are not disabled.
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checkboxes = $('td input:checkbox:enabled', table).click(function (e) {
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// Either add or remove the selected class based on the state of the check all checkbox.
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$(this).closest('tr').toggleClass('selected', this.checked);
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// If this is a shift click, we need to highlight everything in the range.
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// Also make sure that we are actually checking checkboxes over a range and
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// that a checkbox has been checked or unchecked before.
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if (e.shiftKey && lastChecked && lastChecked != e.target) {
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// We use the checkbox's parent TR to do our range searching.
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Drupal.tableSelectRange($(e.target).closest('tr')[0], $(lastChecked).closest('tr')[0], e.target.checked);
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}
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// If all checkboxes are checked, make sure the select-all one is checked too, otherwise keep unchecked.
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updateSelectAll((checkboxes.length == $(checkboxes).filter(':checked').length));
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// Keep track of the last checked checkbox.
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lastChecked = e.target;
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});
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// If all checkboxes are checked on page load, make sure the select-all one
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// is checked too, otherwise keep unchecked.
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updateSelectAll((checkboxes.length == $(checkboxes).filter(':checked').length));
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};
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Drupal.tableSelectRange = function (from, to, state) {
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// We determine the looping mode based on the order of from and to.
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var mode = from.rowIndex > to.rowIndex ? 'previousSibling' : 'nextSibling';
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// Traverse through the sibling nodes.
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for (var i = from[mode]; i; i = i[mode]) {
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// Make sure that we're only dealing with elements.
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if (i.nodeType != 1) {
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continue;
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}
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// Either add or remove the selected class based on the state of the target checkbox.
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$(i).toggleClass('selected', state);
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$('input:checkbox', i).each(function () {
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this.checked = state;
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});
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if (to.nodeType) {
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// If we are at the end of the range, stop.
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if (i == to) {
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break;
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}
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}
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// A faster alternative to doing $(i).filter(to).length.
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else if ($.filter(to, [i]).r.length) {
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break;
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}
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}
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};
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})(jQuery);
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