Pass the second parameter for replace() via a function

Otherwise some character patterns would have unexpected behaviour.
For example, '$$' would be replaced with a '$'.

Author: joelmertanen

src/js/core/services/gridClassFactory.js

@@ -120,7 +120,9 @@
                   }
 
                   if ( filterType ){
-                    col[templateType] = template.replace(uiGridConstants.CUSTOM_FILTERS, col[filterType] ? "|" + col[filterType] : "");
+                    col[templateType] = template.replace(uiGridConstants.CUSTOM_FILTERS, function() {
+                      return col[filterType] ? "|" + col[filterType] : "";
+                    });
                   } else {
                     col[templateType] = template;
                   }

test/unit/core/services/GridClassFactory.spec.js

@@ -115,7 +115,29 @@ describe('gridClassFactory', function() {
       expect(testSetup.col.cellTemplate).toEqual('<div>a sample cell template with custom_filters</div>');      
       expect(testSetup.col.footerCellTemplate).toEqual('<div>a sample footer template with custom_filters</div>');
     });
-    
+
+    it('column builder passes double dollars as parameters to the filters correctly', function() {
+      testSetup.$templateCache.put('ui-grid/uiGridHeaderCell', '<div>a sample header template with CUSTOM_FILTERS</div>');
+      testSetup.$templateCache.put('ui-grid/uiGridCell', '<div>a sample cell template with CUSTOM_FILTERS</div>');
+      testSetup.$templateCache.put('ui-grid/uiGridFooterCell', '<div>a sample footer template with CUSTOM_FILTERS</div>');
+
+      testSetup.col.cellFilter = 'customCellFilter:row.entity.$$internalValue';
+      testSetup.col.headerCellFilter = 'customHeaderCellFilter:row.entity.$$internalValue';
+      testSetup.col.footerCellFilter = 'customFooterCellFilter:row.entity.$$internalValue';
+
+      gridClassFactory.defaultColumnBuilder( testSetup.colDef, testSetup.col, testSetup.gridOptions );
+
+      expect(testSetup.col.providedHeaderCellTemplate).toEqual('ui-grid/uiGridHeaderCell');
+      expect(testSetup.col.providedCellTemplate).toEqual('ui-grid/uiGridCell');
+      expect(testSetup.col.providedFooterCellTemplate).toEqual('ui-grid/uiGridFooterCell');
+
+      testSetup.$rootScope.$digest();
+
+      expect(testSetup.col.headerCellTemplate).toEqual('<div>a sample header template with |customHeaderCellFilter:row.entity.$$internalValue</div>');
+      expect(testSetup.col.cellTemplate).toEqual('<div>a sample cell template with |customCellFilter:row.entity.$$internalValue</div>');
+      expect(testSetup.col.footerCellTemplate).toEqual('<div>a sample footer template with |customFooterCellFilter:row.entity.$$internalValue</div>');
+    });
+
   });
 
 });