added term_merge module

sites/all/modules/contrib/taxonomy/term_merge/js/duplicate.form.js

@@ -0,0 +1,66 @@
+/**
+ * @file
+ * JavaScript enhancements for "Merge Duplicate Terms" form.
+ */
+(function ($) {
+
+  /**
+   * Behavior that elaborates Tableselect of duplicate terms.
+   */
+  Drupal.behaviors.termMergeDuplicateTableselect = {
+    attach: function(context) {
+      // We want to disable checkbox of a duplicate term if it is currently
+      // selected as a trunk term in that group of duplicate terms, i.e. you
+      // cannot (and should not) merge a term into itself.
+      $('.term-merge-duplicate-trunk', context).closest(':has(.form-checkbox)').once('term-merge-duplicate-trunk', function() {
+        var container = $(this);
+        container.find('.term-merge-duplicate-trunk').change(function() {
+          // Removing disabled from all disabled checkboxes.
+          container.parents('table').find('.form-checkbox:disabled').removeAttr('disabled');
+          if ($(this).is(':checked')) {
+            container.find('.form-checkbox').attr('disabled', true);
+          }
+        });
+      });
+    }
+  };
+
+  /**
+   * Behavior that kicks off general switch button on Duplicate terms form.
+   */
+  Drupal.behaviors.termMergeDuplicateGeneralSwitch = {
+    attach: function (context) {
+      $('.term-merge-duplicate-general-switch', context).once('term-merge-duplicate-general-switch', function() {
+        var container = $(this).parents('form');
+        $(this).change(function() {
+          var term_branches = container.find('table:not(.sticky-header) .select-all .form-checkbox');
+          if ($(this).is(':checked')) {
+            term_branches.attr('checked', true).trigger({
+              type: 'click',
+              target: this
+            });
+            // For some reason the checkboxes get unchecked, we check them back.
+            term_branches.attr('checked', true);
+
+            // We also want to trigger "change" on those radio buttons, see
+            // Drupal.behaviors.termMergeDuplicateTableselect for more info.
+            container.find('table').find('.term-merge-duplicate-trunk:first').attr('checked', true).trigger('change');
+          }
+          else {
+            term_branches.removeAttr('checked').trigger({
+              type: 'click',
+              target: this
+            });
+            // For some reason the checkboxes get checked, we uncheck them back.
+            term_branches.removeAttr('checked');
+
+            // We also want to trigger "change" on those radio buttons, see
+            // Drupal.behaviors.termMergeDuplicateTableselect for more info.
+            container.find('table').find('.term-merge-duplicate-trunk').removeAttr('checked').trigger('change');
+          }
+        });
+      });
+    }
+  };
+
+})(jQuery);