#84961: Add 'select all' and range select feature to admin tables.

1 files changed, 75 insertions, 0 deletions

diff --git a/misc/tableselect.js b/misc/tableselect.js
new file mode 100644
index 000000000..052af02dd
--- /dev/null
+++ b/misc/tableselect.js
@@ -0,0 +1,75 @@
+// $Id$
+
+Drupal.tableSelect = function() {
+  // Keep track of the table, which checkbox is checked and alias the settings.
+  var table = this, selectAll, checkboxes, lastChecked, settings = Drupal.settings.tableSelect;
+
+  // Store the select all checkbox in a variable as we need it quite often.
+  selectAll = $('<input type="checkbox" class="form-checkbox" />').attr('title', settings.selectAll).click(function() {
+    // Loop through all checkboxes and set their state to the select all checkbox' state.
+    checkboxes.each(function() {
+      this.checked = selectAll[0].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.
+    selectAll.attr('title', selectAll[0].checked ? settings.selectNone : settings.selectAll);
+  });
+
+  // Find all <th> with class select-all, and insert the check all checkbox.
+  $('th.select-all', table).prepend(selectAll);
+
+  // 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.
+    selectAll[0].checked = (checkboxes.length == $(checkboxes).filter(':checked').length);
+    // Set the title to the current action.
+    selectAll.attr('title', selectAll[0].checked ? settings.selectNone : settings.selectAll);
+
+    // Keep track of the last checked checkbox.
+    lastChecked = e.target;
+  });
+}
+
+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;
+
+  }
+}
+
+// Global Killswitch
+if (Drupal.jsEnabled) {
+  $(document).ready(function() {
+    $('form table[th.select-all]').each(Drupal.tableSelect);
+  });
+}