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- // $Id: tableselect.js,v 1.8 2007/11/19 12:15:16 goba Exp $
-
- Drupal.behaviors.tableSelect = function (context) {
- $('form table:has(th.select-all):not(.tableSelect-processed)', context).each(Drupal.tableSelect);
- };
-
- Drupal.tableSelect = function() {
- // Do not add a "Select all" checkbox if there are no rows with checkboxes in the table
- if ($('td input:checkbox', this).size() == 0) {
- return;
- }
-
- // Keep track of the table, which checkbox is checked and alias the settings.
- var table = this, checkboxes, lastChecked;
- var strings = { 'selectAll': Drupal.t('Select all rows in this table'), 'selectNone': Drupal.t('Deselect all rows in this table') };
- var updateSelectAll = function(state) {
- $('th.select-all input:checkbox', table).each(function() {
- $(this).attr('title', state ? strings.selectNone : strings.selectAll);
- this.checked = state;
- });
- };
-
- // Find all <th> with class select-all, and insert the check all checkbox.
- $('th.select-all', table).prepend($('<input type="checkbox" class="form-checkbox" />').attr('title', strings.selectAll)).click(function(event) {
- if ($(event.target).is('input:checkbox')) {
- // Loop through all checkboxes and set their state to the select all checkbox' state.
- checkboxes.each(function() {
- this.checked = event.target.checked;
- // Either add or remove the selected class based on the state of the check all checkbox.
- $(this).parents('tr:first')[ this.checked ? 'addClass' : 'removeClass' ]('selected');
- });
- // Update the title and the state of the check all box.
- updateSelectAll(event.target.checked);
- }
- });
-
- // For each of the checkboxes within the table.
- checkboxes = $('td input:checkbox', table).click(function(e) {
- // Either add or remove the selected class based on the state of the check all checkbox.
- $(this).parents('tr:first')[ this.checked ? 'addClass' : 'removeClass' ]('selected');
-
- // If this is a shift click, we need to highlight everything in the range.
- // Also make sure that we are actually checking checkboxes over a range and
- // that a checkbox has been checked or unchecked before.
- if (e.shiftKey && lastChecked && lastChecked != e.target) {
- // We use the checkbox's parent TR to do our range searching.
- Drupal.tableSelectRange($(e.target).parents('tr')[0], $(lastChecked).parents('tr')[0], e.target.checked);
- }
-
- // If all checkboxes are checked, make sure the select-all one is checked too, otherwise keep unchecked.
- updateSelectAll((checkboxes.length == $(checkboxes).filter(':checked').length));
-
- // Keep track of the last checked checkbox.
- lastChecked = e.target;
- });
- $(this).addClass('tableSelect-processed');
- };
-
- Drupal.tableSelectRange = function(from, to, state) {
- // We determine the looping mode based on the the order of from and to.
- var mode = from.rowIndex > to.rowIndex ? 'previousSibling' : 'nextSibling';
-
- // Traverse through the sibling nodes.
- for (var i = from[mode]; i; i = i[mode]) {
- // Make sure that we're only dealing with elements.
- if (i.nodeType != 1) {
- continue;
- }
-
- // Either add or remove the selected class based on the state of the target checkbox.
- $(i)[ state ? 'addClass' : 'removeClass' ]('selected');
- $('input:checkbox', i).each(function() {
- this.checked = state;
- });
-
- if (to.nodeType) {
- // If we are at the end of the range, stop.
- if (i == to) {
- break;
- }
- }
- // A faster alternative to doing $(i).filter(to).length.
- else if (jQuery.filter(to, [i]).r.length) {
- break;
- }
- }
- };
-