FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2010 Werner Mayer <wmayer[at]users.sourceforge.net>     *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  is distributed in the hope that it will be useful,      *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <QMouseEvent>
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#endif
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#include "TreeView.h"
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#include "Application.h"
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#include "Document.h"
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#include "DocumentModel.h"
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#include "MainWindow.h"
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#include "MDIView.h"
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#include "ViewProvider.h"
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using namespace Gui;
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TreeView::TreeView(QWidget* parent)
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  : QTreeView(parent)
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{
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    setModel(new DocumentModel(this));
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    QModelIndex root = this->model()->index(0,0,QModelIndex());
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    this->setExpanded(root, true);
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    this->setDragEnabled(true);
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    this->setAcceptDrops(true);
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    this->setDropIndicatorShown(false);
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    this->setRootIsDecorated(false);
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    this->setSelectionMode(QAbstractItemView::ExtendedSelection);
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    this->setMouseTracking(true); // needed for itemEntered() to work
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}
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TreeView::~TreeView() = default;
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void TreeView::mouseDoubleClickEvent (QMouseEvent * event)
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{
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    QModelIndex index = indexAt(event->pos());
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    if (!index.isValid() || index.internalPointer() == Application::Instance)
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        return;
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    Base::BaseClass* item = nullptr;
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    item = static_cast<Base::BaseClass*>(index.internalPointer());
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    if (item->is<Document>()) {
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        QTreeView::mouseDoubleClickEvent(event);
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        const Gui::Document* doc = static_cast<Gui::Document*>(item);
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        MDIView *view = doc->getActiveView();
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        if (!view)
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            return;
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        getMainWindow()->setActiveWindow(view);
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    }
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    else if (item->isDerivedFrom<ViewProvider>()) {
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        if (!static_cast<ViewProvider*>(item)->doubleClicked())
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            QTreeView::mouseDoubleClickEvent(event);
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    }
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}
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void TreeView::rowsInserted (const QModelIndex & parent, int start, int end)
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{
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    QTreeView::rowsInserted(parent, start, end);
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    if (parent.isValid()) {
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        auto ptr = static_cast<Base::BaseClass*>(parent.internalPointer());
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        // type is defined in DocumentModel.cpp
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        if (ptr->getTypeId() == Base::Type::fromName("Gui::ApplicationIndex")) {
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            for (int i=start; i<=end;i++) {
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                QModelIndex document = this->model()->index(i, 0, parent);
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                this->expand(document);
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            }
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        }
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    }
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}
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#include "moc_TreeView.cpp"
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