SquishTests: Redo open document from navigation view

For unknown reasons this does no more work on a couple of machines.
Re-doing the original approach by explicitly expanding the tree as
necessary up to the file we want to open.

Change-Id: I329e18f3e2162e381e11fb6164a448ae67def606
Reviewed-by: Robert Löhning <robert.loehning@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

tests/system/shared/editor_utils.py

@@ -374,24 +374,38 @@ def addBranchWildcardToRoot(rootNode):
     return rootNode[:pos] + " [[]*[]]" + rootNode[pos:]
 
 def openDocument(treeElement):
+    # split into tree elements
+    treePathElements = re.split(r"(?<!\\)\.", treeElement)
+    # 'unmask' the extension delimiter
+    treePathElements = list(x.replace("\\.", ".") for x in treePathElements)
     try:
+        parentIndex = None
         selectFromCombo(":Qt Creator_Core::Internal::NavComboBox", "Projects")
         navigator = waitForObject(":Qt Creator_Utils::NavigationTreeView")
-        try:
+
-            item = waitForObjectItem(navigator, treeElement, 3000)
+        for i, t in enumerate(treePathElements):
-        except:
+            indices = dumpIndices(navigator.model(), parentIndex)
-            treeElement = addBranchWildcardToRoot(treeElement)
+            foundT = False
-            item = waitForObjectItem(navigator, treeElement)
+            for index in indices:
-        expected = str(item.text).split("/")[-1]
+                iText = str(index.text)
-        for _ in range(2):
+                if (iText == t
-            # Expands items as needed what might make scrollbars appear.
+                    or (i == 0 and re.match(t + " [[].+[]]", iText) is not None)):
-            # These might cover the item to click.
+                    foundT = True
-            # In this case, do it again to hit the item then.
+                    parentIndex = index
-            doubleClickItem(navigator, treeElement, 5, 5, 0, Qt.LeftButton)
+                    break
+            if not foundT:
+                raise Exception("Failed to get index '%s' (%d)." % (t, i))
+            if not navigator.isExpanded(parentIndex):
+                navigator.scrollTo(parentIndex)
+                rect = navigator.visualRect(parentIndex)
+                doubleClick(navigator, rect.x + 50, rect.y + 5, 0, Qt.LeftButton)
+        # now we should have a full expanded tree up to the requested file
+        rect = navigator.visualRect(parentIndex)
+        doubleClick(navigator, rect.x + 50, rect.y + 5, 0, Qt.LeftButton)
         mainWindow = waitForObject(":Qt Creator_Core::Internal::MainWindow")
-            if waitFor("str(mainWindow.windowTitle).startswith(expected + ' ')", 5000):
+        if waitFor("str(mainWindow.windowTitle).startswith(treePathElements[-1] + ' ')", 5000):
             return True
-        test.log("Expected file (%s) was not being opened in openDocument()" % expected)
+        test.log("Expected file (%s) was not being opened in openDocument()" % treePathElements[-1])
         return False
     except:
         t,v = sys.exc_info()[:2]