/****************************************************************************+
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**+
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** Copyright (C) 2010 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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+
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#include "widgetbox.h"+
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#include "widgetboxtreewidget.h"+
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#include "widgetbox_dnditem.h"+
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+
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#include <QtDesigner/QDesignerFormEditorInterface>+
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#include <QtDesigner/QDesignerFormWindowManagerInterface>+
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+
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#include <iconloader_p.h>+
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#include <qdesigner_utils_p.h>+
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#include <filterwidget_p.h>+
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+
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#include <QtGui/QDropEvent>+
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#include <QtGui/QVBoxLayout>+
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#include <QtGui/QApplication>+
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#include <QtGui/QToolBar>+
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#include <QtGui/QIcon>+
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+
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QT_BEGIN_NAMESPACE+
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+
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namespace qdesigner_internal {+
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+
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WidgetBox::WidgetBox(QDesignerFormEditorInterface *core, QWidget *parent, Qt::WindowFlags flags)+
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    : QDesignerWidgetBox(parent, flags),+
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      m_core(core),+
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      m_view(new WidgetBoxTreeWidget(m_core))+
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{+
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+
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    QVBoxLayout *l = new QVBoxLayout(this);+
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    l->setMargin(0);+
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    l->setSpacing(0);+
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+
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    // Prevent the filter from grabbing focus since Our view has Qt::NoFocus+
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    FilterWidget *filterWidget = new FilterWidget(0, FilterWidget::LayoutAlignNone);+
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    filterWidget->setRefuseFocus(true);+
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    connect(filterWidget, SIGNAL(filterChanged(QString)), m_view, SLOT(filter(QString)));+
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    l->addWidget(filterWidget);+
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+
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    // View+
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    connect(m_view, SIGNAL(pressed(QString,QString,QPoint)),+
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            this, SLOT(handleMousePress(QString,QString,QPoint)));+
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    l->addWidget(m_view);+
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+
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    setAcceptDrops (true);+
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}+
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+
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WidgetBox::~WidgetBox()+
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{+
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}+
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+
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QDesignerFormEditorInterface *WidgetBox::core() const+
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{+
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    return m_core;+
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}+
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+
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void WidgetBox::handleMousePress(const QString &name, const QString &xml, const QPoint &global_mouse_pos)+
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{+
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    if (QApplication::mouseButtons() != Qt::LeftButton)+
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        return;+
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+
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    DomUI *ui = xmlToUi(name, xml, true);+
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    if (ui == 0)+
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        return;+
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    QList<QDesignerDnDItemInterface*> item_list;+
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    item_list.append(new WidgetBoxDnDItem(core(), ui, global_mouse_pos));+
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    m_core->formWindowManager()->dragItems(item_list);+
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}+
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+
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int WidgetBox::categoryCount() const+
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{+
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    return m_view->categoryCount();+
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}+
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+
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QDesignerWidgetBoxInterface::Category WidgetBox::category(int cat_idx) const+
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{+
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    return m_view->category(cat_idx);+
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}+
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+
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void WidgetBox::addCategory(const Category &cat)+
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{+
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    m_view->addCategory(cat);+
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}+
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+
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void WidgetBox::removeCategory(int cat_idx)+
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{+
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    m_view->removeCategory(cat_idx);+
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}+
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+
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int WidgetBox::widgetCount(int cat_idx) const+
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{+
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    return m_view->widgetCount(cat_idx);+
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}+
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+
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QDesignerWidgetBoxInterface::Widget WidgetBox::widget(int cat_idx, int wgt_idx) const+
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{+
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    return m_view->widget(cat_idx, wgt_idx);+
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}+
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+
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void WidgetBox::addWidget(int cat_idx, const Widget &wgt)+
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{+
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    m_view->addWidget(cat_idx, wgt);+
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}+
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+
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void WidgetBox::removeWidget(int cat_idx, int wgt_idx)+
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{+
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    m_view->removeWidget(cat_idx, wgt_idx);+
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}+
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+
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void WidgetBox::dropWidgets(const QList<QDesignerDnDItemInterface*> &item_list, const QPoint&)+
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{+
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    m_view->dropWidgets(item_list);+
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}+
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+
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void WidgetBox::setFileName(const QString &file_name)+
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{+
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    m_view->setFileName(file_name);+
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}+
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+
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QString WidgetBox::fileName() const+
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{+
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    return m_view->fileName();+
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}+
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+
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bool WidgetBox::load()+
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{+
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    return m_view->load(loadMode());+
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}+
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+
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bool WidgetBox::loadContents(const QString &contents)+
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{+
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    return m_view->loadContents(contents);+
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}+
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+
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bool WidgetBox::save()+
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{+
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    return m_view->save();+
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}+
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+
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static const QDesignerMimeData *checkDragEvent(QDropEvent * event,+
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                                               bool acceptEventsFromWidgetBox)+
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{+
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    const QDesignerMimeData *mimeData = qobject_cast<const QDesignerMimeData *>(event->mimeData());+
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    if (!mimeData) {+
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        event->ignore();+
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        return 0;+
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    }+
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    // If desired, ignore a widget box drag and drop, where widget==0.+
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    if (!acceptEventsFromWidgetBox) {+
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        const bool fromWidgetBox = !mimeData->items().first()->widget();+
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        if (fromWidgetBox) {+
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            event->ignore();+
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            return 0;+
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        }+
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    }+
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+
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    mimeData->acceptEvent(event);+
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    return mimeData;+
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}+
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+
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void WidgetBox::dragEnterEvent (QDragEnterEvent * event)+
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{+
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    // We accept event originating from the widget box also here,+
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    // because otherwise Windows will not show the DnD pixmap.+
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    checkDragEvent(event, true);+
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}+
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+
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void WidgetBox::dragMoveEvent(QDragMoveEvent * event)+
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{+
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    checkDragEvent(event, true);+
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}+
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+
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void WidgetBox::dropEvent(QDropEvent * event)+
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{+
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    const QDesignerMimeData *mimeData = checkDragEvent(event, false);+
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    if (!mimeData)+
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        return;+
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+
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    dropWidgets(mimeData->items(), event->pos());+
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    QDesignerMimeData::removeMovedWidgetsFromSourceForm(mimeData->items());+
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}+
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+
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QIcon WidgetBox::iconForWidget(const QString &className, const QString &category) const+
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{+
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    Widget widgetData;+
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    if (!findWidget(this, className, category, &widgetData))+
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        return QIcon();+
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    return m_view->iconForWidget(widgetData.iconName());+
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}+
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+
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}  // namespace qdesigner_internal+
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+
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QT_END_NAMESPACE+
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