New QmlDesigner plugin & Design mode

This adds a new "Design" mode that can be used to manipulate qml files
in a visual way. It will only get build if you have the declarativeui
module in Qt.

This is a squashed import from the Bauhaus project. Share & enjoy :)

1 files changed, 81 insertions, 0 deletions

diff --git a/src/plugins/qmldesigner/core/filemanager/changeobjecttypevisitor.cpp b/src/plugins/qmldesigner/core/filemanager/changeobjecttypevisitor.cpp
new file mode 100644
index 0000000000..d0624f6ab8
--- /dev/null
+++ b/src/plugins/qmldesigner/core/filemanager/changeobjecttypevisitor.cpp
@@ -0,0 +1,81 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "changeobjecttypevisitor.h"
+#include <qmljsast_p.h>
+#include <qmljsengine_p.h>
+
+using namespace QmlJS;
+using namespace QmlJS::AST;
+using namespace QmlEditor::Internal;
+
+ChangeObjectTypeVisitor::ChangeObjectTypeVisitor(QmlDesigner::TextModifier &modifier,
+                                                 quint32 nodeLocation,
+                                                 const QString &newType):
+    QMLRewriter(modifier),
+    m_nodeLocation(nodeLocation),
+    m_newType(newType)
+{
+}
+
+bool ChangeObjectTypeVisitor::visit(UiObjectDefinition *ast)
+{
+    if (ast->firstSourceLocation().offset == m_nodeLocation) {
+        replaceType(ast->qualifiedTypeNameId);
+        return false;
+    }
+
+    return !didRewriting();
+}
+
+bool ChangeObjectTypeVisitor::visit(UiObjectBinding *ast)
+{
+    const quint32 start = ast->qualifiedTypeNameId->identifierToken.offset;
+
+    if (start == m_nodeLocation) {
+        replaceType(ast->qualifiedTypeNameId);
+        return false;
+    }
+
+    return !didRewriting();
+}
+
+void ChangeObjectTypeVisitor::replaceType(UiQualifiedId *typeId)
+{
+    Q_ASSERT(typeId);
+
+    const int startOffset = typeId->identifierToken.offset;
+    int endOffset = typeId->identifierToken.end();
+    for (UiQualifiedId *iter = typeId->next; iter; iter = iter->next)
+        if (!iter->next)
+            endOffset = iter->identifierToken.end();
+
+    replace(startOffset, endOffset - startOffset, m_newType);
+    setDidRewriting(true);
+}