1 files changed, 90 insertions, 0 deletions
diff --git a/core/misc/tableselect.js b/core/misc/tableselect.js
new file mode 100644
index 00000000000..1abda24d951
--- /dev/null
+++ b/core/misc/tableselect.js
@@ -0,0 +1,90 @@
+(function ($) {
+
+Drupal.behaviors.tableSelect = {
+  attach: function (context, settings) {
+    $('table:has(th.select-all)', context).once('table-select', Drupal.tableSelect);
+  }
+};
+
+Drupal.tableSelect = function () {
+  // Do not add a "Select all" checkbox if there are no rows with checkboxes in the table
+  if ($('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 that are not disabled.
+  checkboxes = $('td input:checkbox:enabled', 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;
+  });
+};
+
+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 $(i).filter(to).length.
+    else if ($.filter(to, [i]).r.length) {
+      break;
+    }
+  }
+};
+
+})(jQuery);