From 005ca6a54c10ad60188cfb9529f92353f80cbd57 Mon Sep 17 00:00:00 2001
From: Rafael Borochov <rafael@linnovate.net>
Date: Mon, 25 Jan 2016 15:50:06 +0200
Subject: [PATCH] feat(expandable): Add 'expandRow', 'collapseRow' and
 'getExpandedRows'

I need these features for a project for a project I am currently working on.

add collapseRow method
---
 src/features/expandable/js/expandable.js | 47 +++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 2 deletions(-)

diff --git a/src/features/expandable/js/expandable.js b/src/features/expandable/js/expandable.js
index ba54dc9989..6a27b8c7ad 100644
--- a/src/features/expandable/js/expandable.js
+++ b/src/features/expandable/js/expandable.js
@@ -100,7 +100,7 @@
         /**
          *  @ngdoc object
          *  @name ui.grid.expandable.api:GridRow
-         * 
+         *
          *  @description Additional properties added to GridRow when using the expandable module
          */
         /**
@@ -186,6 +186,43 @@
                */
               toggleAllRows: function() {
                 service.toggleAllRows(grid);
+              },
+              /**
+               * @ngdoc function
+               * @name expandRow
+               * @methodOf  ui.grid.expandable.api:PublicApi
+               * @description Expand the data row
+               * @param {object} rowEntity gridOptions.data[] array instance
+               */
+              expandRow: function (rowEntity) {
+                var row = grid.getRow(rowEntity);
+                if (row !== null && !row.isExpanded) {
+                  service.toggleRowExpansion(grid, row);
+                }
+              },
+              /**
+               * @ngdoc function
+               * @name collapseRow
+               * @methodOf  ui.grid.expandable.api:PublicApi
+               * @description Collapse the data row
+               * @param {object} rowEntity gridOptions.data[] array instance
+               */
+              collapseRow: function (rowEntity) {
+                var row = grid.getRow(rowEntity);
+                if (row !== null && row.isExpanded) {
+                  service.toggleRowExpansion(grid, row);
+                }
+              },
+              /**
+               * @ngdoc function
+               * @name getExpandedRows
+               * @methodOf  ui.grid.expandable.api:PublicApi
+               * @description returns all expandedRow's entity references
+               */
+              getExpandedRows: function () {
+                return service.getExpandedRows(grid).map(function (gridRow) {
+                  return gridRow.entity;
+                });
               }
             }
           }
@@ -215,7 +252,7 @@
         if (angular.isUndefined(row.expandedRowHeight)){
           row.expandedRowHeight = grid.options.expandableRowHeight;
         }
-              
+
         if (row.isExpanded) {
           row.height = row.grid.options.rowHeight + row.expandedRowHeight;
         }
@@ -253,6 +290,12 @@
         else {
           service.expandAllRows(grid);
         }
+      },
+
+      getExpandedRows: function (grid) {
+        return grid.rows.filter(function (row) {
+          return row.isExpanded;
+        });
       }
     };
     return service;