fix(paste): add paste support

Add paste="expression" to allow custom paste handling.

Allow pasting in tagging mode when the tagging function is not defined.

In IE use window.clipboardData so jQuery is not required.

Fixes #910, #704, #789, #848, #429

Author: aaronroberson

Diff for: src/uiSelectController.js

@@ -16,6 +16,7 @@ uis.controller('uiSelectCtrl',
   ctrl.searchEnabled = uiSelectConfig.searchEnabled;
   ctrl.sortable = uiSelectConfig.sortable;
   ctrl.refreshDelay = uiSelectConfig.refreshDelay;
+  ctrl.paste = uiSelectConfig.paste;
 
   ctrl.removeSelected = false; //If selected item(s) should be removed from dropdown list
   ctrl.closeOnSelect = true; //Initialized inside uiSelect directive link function
@@ -340,7 +341,7 @@ uis.controller('uiSelectCtrl',
               // create new item on the fly if we don't already have one;
               // use tagging function if we have one
               if ( ctrl.tagging.fct !== undefined && typeof item === 'string' ) {
-                item = ctrl.tagging.fct(ctrl.search);
+                item = ctrl.tagging.fct(item);
                 if (!item) return;
               // if item type is 'string', apply the tagging label
               } else if ( typeof item === 'string' ) {
@@ -536,20 +537,37 @@ uis.controller('uiSelectCtrl',
 
   });
 
-  // If tagging try to split by tokens and add items
   ctrl.searchInput.on('paste', function (e) {
-    var data = e.originalEvent.clipboardData.getData('text/plain');
-    if (data && data.length > 0 && ctrl.taggingTokens.isActivated) {
-      // split by first token only
-      var separator = KEY.toSeparator(ctrl.taggingTokens.tokens[0]);
-      var items = data.split(separator); 
-      if (items && items.length > 0) {
+    var data;
+
+    if (window.clipboardData && window.clipboardData.getData) { // IE
+      data = window.clipboardData.getData('Text');
+    } else {
+      data = (e.originalEvent || e).clipboardData.getData('text/plain');
+    }
+
+    // Prepend the current input field text to the paste buffer.
+    data = ctrl.search + data;
+
+    if (data && data.length > 0) {
+      // If tagging try to split by tokens and add items
+      if (ctrl.taggingTokens.isActivated) {
+        var items = data.split(ctrl.taggingTokens.tokens[0]); // split by first token only
+        if (items && items.length > 0) {
         var oldsearch = ctrl.search;
-        angular.forEach(items, function (item) {
-          ctrl.search = item;
-          ctrl.select(item, true);
-        });
-        ctrl.search = oldsearch;
+          angular.forEach(items, function (item) {
+            var newItem = ctrl.tagging.fct ? ctrl.tagging.fct(item) : item;
+            if (newItem) {
+              ctrl.select(newItem, true);
+            }
+          });
+          ctrl.search = EMPTY_SEARCH;
+          e.preventDefault();
+          e.stopPropagation();
+        }
+      } else if (ctrl.paste) {
+        ctrl.paste(data);
+        ctrl.search = EMPTY_SEARCH;
         e.preventDefault();
         e.stopPropagation();
       }

Diff for: src/uiSelectDirective.js

@@ -93,6 +93,10 @@ uis.directive('uiSelect',
           $select.resetSearchInput = resetSearchInput !== undefined ? resetSearchInput : true;
         });
 
+        attrs.$observe('paste', function() {
+          $select.paste = scope.$eval(attrs.paste);
+        });
+
         attrs.$observe('tagging', function() {
           if(attrs.tagging !== undefined)
           {

Diff for: test/select.spec.js

@@ -173,15 +173,23 @@ describe('ui-select tests', function() {
     e.keyCode = keyCode;
     element.trigger(e);
   }
-  function triggerPaste(element, text) {
+  function triggerPaste(element, text, isClipboardEvent) {
     var e = jQuery.Event("paste");
-    e.originalEvent = {
+    if (isClipboardEvent) {
+      e.clipboardData = {
+        getData : function() {
+            return text;
+        }
+      };
+    } else {
+      e.originalEvent = {
         clipboardData : {
             getData : function() {
                 return text;
             }
         }
-    };
+      };
+    }
     element.trigger(e);
   }
 
@@ -2095,20 +2103,39 @@ describe('ui-select tests', function() {
     });
 
     it('should allow paste tag from clipboard', function() {
-       scope.taggingFunc = function (name) {
-         return {
-           name: name,
-           email: name + '@email.com',
-           group: 'Foo',
-           age: 12
-         };
-       };
+      scope.taggingFunc = function (name) {
+        return {
+          name: name,
+          email: name + '@email.com',
+          group: 'Foo',
+          age: 12
+        };
+      };
+
+      var el = createUiSelectMultiple({tagging: 'taggingFunc', taggingTokens: ",|ENTER"});
+      clickMatch(el);
+      triggerPaste(el.find('input'), 'tag1');
+
+      expect($(el).scope().$select.selected.length).toBe(1);
+      expect($(el).scope().$select.selected[0].name).toBe('tag1');
+    });
+
+    it('should allow paste tag from clipboard for generic ClipboardEvent', function() {
+      scope.taggingFunc = function (name) {
+        return {
+          name: name,
+          email: name + '@email.com',
+          group: 'Foo',
+          age: 12
+        };
+      };
 
-       var el = createUiSelectMultiple({tagging: 'taggingFunc', taggingTokens: ",|ENTER"});
-       clickMatch(el);
-       triggerPaste(el.find('input'), 'tag1');
+      var el = createUiSelectMultiple({tagging: 'taggingFunc', taggingTokens: ",|ENTER"});
+      clickMatch(el);
+      triggerPaste(el.find('input'), 'tag1', true);
 
-       expect($(el).scope().$select.selected.length).toBe(1);
+      expect($(el).scope().$select.selected.length).toBe(1);
+      expect($(el).scope().$select.selected[0].name).toBe('tag1');
     });
 
     it('should allow paste multiple tags', function() {
@@ -2128,6 +2155,23 @@ describe('ui-select tests', function() {
       expect($(el).scope().$select.selected.length).toBe(5);
     });
 
+    it('should allow paste multiple tags with generic ClipboardEvent', function() {
+      scope.taggingFunc = function (name) {
+        return {
+          name: name,
+          email: name + '@email.com',
+          group: 'Foo',
+          age: 12
+        };
+      };
+
+      var el = createUiSelectMultiple({tagging: 'taggingFunc', taggingTokens: ",|ENTER"});
+      clickMatch(el);
+      triggerPaste(el.find('input'), ',tag1,tag2,tag3,,tag5,', true);
+
+      expect($(el).scope().$select.selected.length).toBe(5);
+    });
+
     it('should split pastes on ENTER (and with undefined tagging function)', function() {
       var el = createUiSelectMultiple({tagging: true, taggingTokens: "ENTER|,"});
       clickMatch(el);