right-click selection in ui-grid

Is there a way to select the row when a right click occurs on it?

I came across a potential solution (inspired by this discussion):

By creating a custom directive for right-click functionality:

app.directive('rightClick', function($parse) {
   return function(scope, element, attrs) {
       var fn = $parse(attrs.rightClick);
       element.bind('contextmenu', function(event) {
       scope.$apply(function() {
           event.preventDefault();
               fn(scope, {$event:event});
           });
       });
    };
});

Next, a corresponding function can be added in the controller to handle the right-click event:

 $scope.rightClick = function (event) {
     var scope = angular.element(event.toElement).scope();
     if (scope.row.entity !== undefined) {
         //... code to select the element using gridApi
     }
 };

Don't forget to use the directive with the attribute right-click="rightClick($event)".

The drawback of this approach is that it relies on element.scope(), which is a debugging feature of Angular and may not be available when debug information is disabled in a production environment.

Hence, I am seeking an alternative method that does not depend on element.scope(). The question then becomes: "How can I achieve row selection on right-click without relying on Angular's debug features?"

Answer №1

If you want to determine which cell was clicked, you can retrieve the row id stored in the cell element's id:

$scope.rightClick = function (event) {
  var element = angular.element(event.toElement);

  // The cellId for the third row may look like this
  // 1464688691229-2-uiGrid-0006-cell
  var id = element[0].parentElement.id;

  var regex = /(\d+)/g
  var result = id.match(regex);
  var rowIndex = parseInt(result[1]); // Get the second numeric match

  $scope.gridApi.selection.selectRowByVisibleIndex(rowIndex);      
};

It is uncertain whether the id represents the visible index or the source data index, so some experimentation might be necessary. You can check out a working example here:

http://plnkr.co/edit/b2RKW0hdtFk1ZOLn1XsS?p=preview

Answer №2

If you're looking to override the debug behavior, one option is to use:

angular.reloadWithDebugInfo()

It may not be the most elegant solution, but it should get the job done.

Original Source:

Answer №3

Another way to create a row template is by utilizing the ng-mouseover attribute that references a method in the scope (refer to $scope.selectRowOnMouseOver below). This method will assign the row under the mouse cursor to a variable in the scope, allowing you to use this variable for selection in your rightClick method:

To define the row template:

// Define the row template with ng-mouseover reference to a scope method
$scope.resultsGrid.rowTemplate =
    "<div ng-dblclick=\"grid.appScope.doubleClickOnRow(row, $event)\" ng-repeat=\"(colRenderIndex, col) in" +
    " colContainer.renderedColumns track by col.colDef.name\" class=\"ui-grid-cell\" ng-class=\"{ 'ui-grid-row-header-cell':" +
    " col.isRowHeader }\" ng-mouseover=\"grid.appScope.selectRowOnMouseOver(row)\" ui-grid-cell></div>";

Create a method that sets the row under the cursor as the selected row or assigns it to a scope variable:

$scope.selectRowOnMouseOver = function (row) {
    $scope.rowUnderMouse =  row;
    // Additional logic can be added to select the row here or in other methods using the above variable
    $scope.gridApi.selection.clearSelectedRows();
    row.setSelected(true);
};

Utilize the scope variable in your rightClick method:

$scope.rightClick = function (event) {
    var row = $scope.rowUnderMouse;
    // Clear any existing selections
    $scope.gridApi.selection.clearSelectedRows();
    // Select the specific row
    row.setSelected(true);
    // Additional functionality can be added here
}

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