From c8255e1ef6428f0987cae493197f78d359c6e768 Mon Sep 17 00:00:00 2001
From: Thomas Steur <tsteur@users.noreply.github.com>
Date: Thu, 14 May 2015 09:29:47 +1200
Subject: [PATCH] refs #7891 if only one subtable is given in a table, expand
 it automatically

---
 .../Actions/javascripts/actionsDataTable.js   | 34 ++++++++++++++++++-
 tests/UI/specs/ActionsDataTable_spec.js       | 10 +++++-
 2 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/plugins/Actions/javascripts/actionsDataTable.js b/plugins/Actions/javascripts/actionsDataTable.js
index acc81b87095..29d56fd3120 100644
--- a/plugins/Actions/javascripts/actionsDataTable.js
+++ b/plugins/Actions/javascripts/actionsDataTable.js
@@ -91,6 +91,36 @@
             self.handleExpandFooter(domElem);
             self.setFixWidthToMakeEllipsisWork(domElem);
             self.handleSummaryRow(domElem);
+            self.openSubtableFromLevel0IfOnlyOneSubtableGiven(domElem);
+        },
+
+        openSubtableFromLevel0IfOnlyOneSubtableGiven: function (domElem) {
+            var $subtables = domElem.find('.subDataTable');
+            var hasOnlyOneSubtable = $subtables.length === 1;
+
+            if (hasOnlyOneSubtable) {
+                var hasOnlyOneRow = domElem.find('tbody tr.level0').length === 1;
+                
+                if (hasOnlyOneRow) {
+                    var $labels = $subtables.find('.label');
+                    if ($labels.length) {
+                        $labels.first().click();
+                    }
+                }
+            }
+        },
+
+        openSubtableFromSubtableIfOnlyOneSubtableGiven: function (domElem) {
+            var hasOnlyOneRow = domElem.length === 1
+            var hasOnlyOneSubtable = domElem.hasClass('subDataTable');
+
+            if (hasOnlyOneRow && hasOnlyOneSubtable) {
+                // when subtable is loaded
+                var $labels = domElem.find('.label');
+                if ($labels.length) {
+                    $labels.first().click();
+                }
+            }
         },
 
         //see dataTable::applyCosmetics
@@ -323,7 +353,9 @@
                 function () {
                     self.onClickActionSubDataTable(this)
                 });
+
+            self.openSubtableFromSubtableIfOnlyOneSubtableGiven(response);
         }
     });
 
-})(jQuery, require);
\ No newline at end of file
+})(jQuery, require);
diff --git a/tests/UI/specs/ActionsDataTable_spec.js b/tests/UI/specs/ActionsDataTable_spec.js
index 7f4874b37e2..b4a4deecb1f 100644
--- a/tests/UI/specs/ActionsDataTable_spec.js
+++ b/tests/UI/specs/ActionsDataTable_spec.js
@@ -91,4 +91,12 @@ describe("ActionsDataTable", function () {
             page.click('.dataTableSearchPattern>input[type=submit]');
         }, done);
     });
-});
\ No newline at end of file
+    
+    it("should automatically expand subtables if it contains only one folder", function (done) {
+        expect.screenshot('auto_expand').to.be.capture(function (page) {
+            page.load(url + '&viewDataTable=table');
+            page.click('tr .value:contains("blog")');
+            page.click('tr .value:contains("2012")');
+        }, done);
+    });
+});