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/*********
*
* In the name of the Father, and of the Son, and of the Holy Spirit.
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2009 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License
* version 2.0.
*
**********/
#include "frontend/btmenuview.h"
#include <QActionGroup>
BtMenuView::BtMenuView(QWidget *parent)
: QMenu(parent), m_model(0), m_actions(0)
{
connect(this, SIGNAL(aboutToShow()),
this, SLOT(slotAboutToShow()));
connect(this, SIGNAL(aboutToHide()),
this, SLOT(slotAboutToHide()));
}
BtMenuView::~BtMenuView() {
if (m_actions != 0) {
delete m_actions;
}
}
void BtMenuView::setModel(QAbstractItemModel *model) {
m_model = model;
}
void BtMenuView::buildMenu(QMenu *parentMenu, const QModelIndex &parent) {
Q_ASSERT(m_model != 0);
int children = m_model->rowCount(parent);
for (int i = 0; i < children; i++) {
QModelIndex child(m_model->index(i, 0, parent));
QVariant displayData(m_model->data(child, Qt::DisplayRole));
QVariant iconData(m_model->data(child, Qt::DecorationRole));
QVariant toolTipData(m_model->data(child, Qt::ToolTipRole));
QVariant statusTipData(m_model->data(child, Qt::StatusTipRole));
QVariant whatsThisData(m_model->data(child, Qt::WhatsThisRole));
if (m_model->rowCount(child) > 0) {
QMenu *childMenu = new QMenu(parentMenu);
// Set text:
if (qVariantCanConvert<QString>(displayData)) {
childMenu->setTitle(displayData.toString());
}
// Set icon:
if (qVariantCanConvert<QIcon>(iconData)) {
childMenu->setIcon(iconData.value<QIcon>());
}
// Set tooltip:
if (qVariantCanConvert<QString>(toolTipData)) {
childMenu->setToolTip(toolTipData.toString());
}
// Set status tip:
if (qVariantCanConvert<QString>(statusTipData)) {
childMenu->setStatusTip(statusTipData.toString());
}
// Set whatsthis:
if (qVariantCanConvert<QString>(whatsThisData)) {
childMenu->setWhatsThis(whatsThisData.toString());
}
parentMenu->addMenu(childMenu);
buildMenu(childMenu, child);
} else {
QAction *childAction = new QAction(m_actions);
// Set text:
if (qVariantCanConvert<QString>(displayData)) {
childAction->setText(displayData.toString());
}
// Set icon:
if (qVariantCanConvert<QIcon>(iconData)) {
childAction->setIcon(iconData.value<QIcon>());
}
// Set tooltip:
if (qVariantCanConvert<QString>(toolTipData)) {
childAction->setToolTip(toolTipData.toString());
}
// Set status tip:
if (qVariantCanConvert<QString>(statusTipData)) {
childAction->setStatusTip(statusTipData.toString());
}
// Set whatsthis:
if (qVariantCanConvert<QString>(whatsThisData)) {
childAction->setWhatsThis(whatsThisData.toString());
}
// Set checkable:
if (m_model->flags(child).testFlag(Qt::ItemIsUserCheckable)) {
childAction->setCheckable(true);
}
// Set checked:
QVariant checkData(m_model->data(child, Qt::CheckStateRole));
bool ok;
Qt::CheckState state = (Qt::CheckState) checkData.toInt(&ok);
if (ok) {
childAction->setChecked(state == Qt::Checked);
}
// Map index
m_indexMap[childAction] = QPersistentModelIndex(child);
// Add action to action group:
m_actions->addAction(childAction);
// Add action to menu:
parentMenu->addAction(childAction);
}
}
}
void BtMenuView::slotAboutToShow() {
if (m_actions != 0) {
delete m_actions;
m_actions = 0;
}
m_indexMap.clear();
if (m_model == 0) return;
m_actions = new QActionGroup(this);
connect(m_actions, SIGNAL(triggered(QAction*)),
this, SLOT(slotActionTriggered(QAction*)));
QModelIndex parentIndex;
buildMenu(this, parentIndex);
}
void BtMenuView::slotAboutToHide() {
clear();
}
void BtMenuView::slotActionTriggered(QAction *action) {
Q_ASSERT(m_indexMap.contains(action));
QPersistentModelIndex itemIndex(m_indexMap.value(action));
if (itemIndex.isValid()) {
emit triggered(itemIndex);
}
}
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