QmlDesigner.PropertyEditor: Add generic QtObject pane

This patch adds a generic property editor pane for QtObject.
Objects derived from QtObject get an auto generated property editor
for their additional properties or can use the specfics mechanism
to define a custom one.

Task-number: QTCREATORBUG-9451
Change-Id: I730b19e4e417f3f4d4ee6cdf2b3f3ef32f8c1f94
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

share/qtcreator/qmldesigner/propertyeditor/QtQuick/QtObjectPane.qml

+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+import QtQuick 1.0
+import Bauhaus 1.0
+import HelperWidgets 1.0
+
+PropertyFrame {
+    id: frame;
+    x: 0
+    y: 0
+
+    ExpressionEditor {
+        id: expressionEdit
+    }
+    layout: QVBoxLayout {
+        topMargin: 0;
+        bottomMargin: 0;
+        leftMargin: 0;
+        rightMargin: 0;
+        spacing: 0;
+
+        Type {
+        }
+
+        HorizontalWhiteLine {
+            maximumHeight: 4;
+            styleSheet: "QLineEdit {border: 2px solid #707070; min-height: 0px; max-height: 0px;}";
+        }
+
+        HorizontalWhiteLine {
+        }
+
+        ScrollArea {
+            styleSheetFile: ":/qmldesigner/scrollbar.css";
+            widgetResizable: true;
+
+            finished: finishedNotify;
+
+            horizontalScrollBarPolicy: "Qt::ScrollBarAlwaysOff";
+            id: standardPane;
+            QFrame {
+                //minimumHeight: 1100
+                id: properyEditorStandard
+                layout: QVBoxLayout {
+                    topMargin: 0;
+                    bottomMargin: 0;
+                    leftMargin: 0;
+                    rightMargin: 0;
+                    spacing: 0;
+
+                    WidgetLoader {
+                        id: specificsTwo;
+                        baseUrl: globalBaseUrl;
+                        qmlData: specificQmlData;
+                    }
+
+                    WidgetLoader {
+                        id: specificsOne;
+                        source: specificsUrl;
+                    }
+
+                    QScrollArea {
+                    }
+                } // layout
+            } //QWidget
+        } //QScrollArea
+    }
+}

src/plugins/qmldesigner/components/propertyeditor/propertyeditor.cpp

@@ -952,7 +952,7 @@ void PropertyEditor::scriptFunctionsChanged(const ModelNode &node, const QString
 
 void PropertyEditor::select(const ModelNode &node)
 {
-    if (QmlItemNode(node).isValid())
+    if (QmlObjectNode(node).isValid())
         m_selectedNode = node;
     else
         m_selectedNode = ModelNode();