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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qdesigner_command2_p.h"
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#include "formwindowbase_p.h"
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#include "layoutinfo_p.h"
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#include "qdesigner_command_p.h"
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#include "widgetfactory_p.h"
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#include "qlayout_widget_p.h"
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#include <QtDesigner/QDesignerFormEditorInterface>
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#include <QtDesigner/QDesignerMetaDataBaseInterface>
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#include <QtGui/QApplication>
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#include <QtGui/QLayout>
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QT_BEGIN_NAMESPACE
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namespace qdesigner_internal {
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MorphLayoutCommand::MorphLayoutCommand(QDesignerFormWindowInterface *formWindow) :
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QDesignerFormWindowCommand(QString(), formWindow),
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m_breakLayoutCommand(new BreakLayoutCommand(formWindow)),
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m_layoutCommand(new LayoutCommand(formWindow)),
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m_newType(LayoutInfo::VBox),
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m_layoutBase(0)
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{
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}
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MorphLayoutCommand::~MorphLayoutCommand()
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{
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delete m_layoutCommand;
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delete m_breakLayoutCommand;
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}
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bool MorphLayoutCommand::init(QWidget *w, int newType)
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{
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int oldType;
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QDesignerFormWindowInterface *fw = formWindow();
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if (!canMorph(fw, w, &oldType) || oldType == newType)
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return false;
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m_layoutBase = w;
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m_newType = newType;
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// Find all managed widgets
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m_widgets.clear();
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const QLayout *layout = LayoutInfo::managedLayout(fw->core(), w);
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const int count = layout->count();
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for (int i = 0; i < count ; i++) {
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if (QWidget *w = layout->itemAt(i)->widget())
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if (fw->isManaged(w))
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m_widgets.push_back(w);
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}
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const bool reparentLayoutWidget = false; // leave QLayoutWidget intact
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m_breakLayoutCommand->init(m_widgets, m_layoutBase, reparentLayoutWidget);
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m_layoutCommand->init(m_layoutBase, m_widgets, static_cast<LayoutInfo::Type>(m_newType), m_layoutBase, reparentLayoutWidget);
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setText(formatDescription(core(), m_layoutBase, oldType, newType));
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return true;
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}
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bool MorphLayoutCommand::canMorph(const QDesignerFormWindowInterface *formWindow, QWidget *w, int *ptrToCurrentType)
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{
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if (ptrToCurrentType)
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*ptrToCurrentType = LayoutInfo::NoLayout;
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// We want a managed widget or a container page
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// with a level-0 managed layout
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QDesignerFormEditorInterface *core = formWindow->core();
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QLayout *layout = LayoutInfo::managedLayout(core, w);
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if (!layout)
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return false;
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const LayoutInfo::Type type = LayoutInfo::layoutType(core, layout);
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if (ptrToCurrentType)
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*ptrToCurrentType = type;
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switch (type) {
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case LayoutInfo::HBox:
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case LayoutInfo::VBox:
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case LayoutInfo::Grid:
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case LayoutInfo::Form:
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return true;
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break;
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case LayoutInfo::NoLayout:
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case LayoutInfo::HSplitter: // Nothing doing
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case LayoutInfo::VSplitter:
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case LayoutInfo::UnknownLayout:
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break;
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}
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return false;
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}
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void MorphLayoutCommand::redo()
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{
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m_breakLayoutCommand->redo();
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m_layoutCommand->redo();
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/* Transfer applicable properties which is a cross-section of the modified
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* properties except object name. */
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if (const LayoutProperties *properties = m_breakLayoutCommand->layoutProperties()) {
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const int oldMask = m_breakLayoutCommand->propertyMask();
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QLayout *newLayout = LayoutInfo::managedLayout(core(), m_layoutBase);
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const int newMask = LayoutProperties::visibleProperties(newLayout);
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const int applicableMask = (oldMask & newMask) & ~LayoutProperties::ObjectNameProperty;
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if (applicableMask)
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properties->toPropertySheet(core(), newLayout, applicableMask);
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}
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}
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void MorphLayoutCommand::undo()
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{
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m_layoutCommand->undo();
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m_breakLayoutCommand->undo();
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}
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QString MorphLayoutCommand::formatDescription(QDesignerFormEditorInterface * /* core*/, const QWidget *w, int oldType, int newType)
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{
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const QString oldName = LayoutInfo::layoutName(static_cast<LayoutInfo::Type>(oldType));
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const QString newName = LayoutInfo::layoutName(static_cast<LayoutInfo::Type>(newType));
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const QString widgetName = qobject_cast<const QLayoutWidget*>(w) ? w->layout()->objectName() : w->objectName();
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return QApplication::translate("Command", "Change layout of '%1' from %2 to %3").arg(widgetName, oldName, newName);
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}
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} // namespace qdesigner_internal
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QT_END_NAMESPACE
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