Squish: Added helper functions for views and models

Change-Id: Ic5dc4a5fe11ec5f693ef9f5ddf3abbefd689fd99
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

tests/system/shared/hook_utils.py

@@ -25,9 +25,8 @@ def modifyRunSettingsForHookInto(projectName, port):
         envVarsTableView = waitForObject("{type='QTableView' visible='1' unnamed='1'}")
         model = envVarsTableView.model()
         changingVars = []
-        for row in range(model.rowCount()):
+        for index in dumpIndices(model):
             # get var name
-            index = model.index(row, 0)
             envVarsTableView.scrollTo(index)
             varName = str(model.data(index).toString())
             # if its a special SQUISH var simply unset it, SQUISH_LIBQTDIR and PATH will be replaced with Qt paths
@@ -172,9 +171,7 @@ def getQMakeFromQtVersion(qtVersion):
     mouseClick(qtVersionTab, 5, 5, 0, Qt.LeftButton)
     qtVersionsTree = waitForObject("{name='qtdirList' type='QTreeWidget' visible='1'}")
     rootIndex = qtVersionsTree.invisibleRootItem()
-    rows = rootIndex.childCount()
-    for currentRow in range(rows):
-        current = rootIndex.child(currentRow)
+    for current in dumpChildren(rootIndex):
         child = getTreeWidgetChildByText(current, qtVersion)
         if child != None:
             break
@@ -191,9 +188,7 @@ def getQMakeFromQtVersion(qtVersion):
     return qmake
 
 def getTreeWidgetChildByText(parent, text, column=0):
-    childCount = parent.childCount()
-    for row in range(childCount):
-        child = parent.child(row)
+    for child in dumpChildren(parent):
         if child.text(column)==text:
             return child
     return None