diff -r bf4420e9fa4d -r 2e16851ffecd browsercore/appfw/Api/Bookmarks/modelmenu.cpp --- a/browsercore/appfw/Api/Bookmarks/modelmenu.cpp Fri Jun 11 16:23:26 2010 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,205 +0,0 @@ -/* -* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - initial contribution. -* -* Contributors: -* -* Description: -* -*/ - - -#include "modelmenu.h" - -#include -#include - - -ModelMenu::ModelMenu(QWidget * parent) - : QMenu(parent) - , m_maxRows(7) - , m_firstSeparator(-1) - , m_maxWidth(-1) - , m_hoverRole(0) - , m_separatorRole(0) - , m_model(0) -{ - connect(this, SIGNAL(aboutToShow()), this, SLOT(aboutToShow())); -} - -bool ModelMenu::prePopulated() -{ - return false; -} - -void ModelMenu::postPopulated() -{ -} - -void ModelMenu::setModel(QAbstractItemModel *model) -{ - m_model = model; -} - -QAbstractItemModel *ModelMenu::model() const -{ - return m_model; -} - -void ModelMenu::setMaxRows(int max) -{ - m_maxRows = max; -} - -int ModelMenu::maxRows() const -{ - return m_maxRows; -} - -void ModelMenu::setFirstSeparator(int offset) -{ - m_firstSeparator = offset; -} - -int ModelMenu::firstSeparator() const -{ - return m_firstSeparator; -} - -void ModelMenu::setRootIndex(const QModelIndex &index) -{ - m_root = index; -} - -QModelIndex ModelMenu::rootIndex() const -{ - return m_root; -} - -void ModelMenu::setHoverRole(int role) -{ - m_hoverRole = role; -} - -int ModelMenu::hoverRole() const -{ - return m_hoverRole; -} - -void ModelMenu::setSeparatorRole(int role) -{ - m_separatorRole = role; -} - -int ModelMenu::separatorRole() const -{ - return m_separatorRole; -} - -Q_DECLARE_METATYPE(QModelIndex) -void ModelMenu::aboutToShow() -{ - if (QMenu *menu = qobject_cast(sender())) { - QVariant v = menu->menuAction()->data(); - if (v.canConvert()) { - QModelIndex idx = qvariant_cast(v); - createMenu(idx, -1, menu, menu); - disconnect(menu, SIGNAL(aboutToShow()), this, SLOT(aboutToShow())); - return; - } - } - - clear(); - if (prePopulated()) - addSeparator(); - int max = m_maxRows; - if (max != -1) - max += m_firstSeparator; - createMenu(m_root, max, this, this); - postPopulated(); -} - -void ModelMenu::createMenu(const QModelIndex &parent, int max, QMenu *parentMenu, QMenu *menu) -{ - if (!menu) { - QString title = parent.data().toString(); - menu = new QMenu(title, this); - QIcon icon = qvariant_cast(parent.data(Qt::DecorationRole)); - menu->setIcon(icon); - parentMenu->addMenu(menu); - QVariant v; - v.setValue(parent); - menu->menuAction()->setData(v); - connect(menu, SIGNAL(aboutToShow()), this, SLOT(aboutToShow())); - return; - } - - int end = m_model->rowCount(parent); - if (max != -1) - end = qMin(max, end); - - connect(menu, SIGNAL(triggered(QAction*)), this, SLOT(triggered(QAction*))); - connect(menu, SIGNAL(hovered(QAction*)), this, SLOT(hovered(QAction*))); - - for (int i = 0; i < end; ++i) { - QModelIndex idx = m_model->index(i, 0, parent); - if (m_model->hasChildren(idx)) { - createMenu(idx, -1, menu); - } else { - if (m_separatorRole != 0 - && idx.data(m_separatorRole).toBool()) - addSeparator(); - else - menu->addAction(makeAction(idx)); - } - if (menu == this && i == m_firstSeparator - 1) - addSeparator(); - } -} - -QAction *ModelMenu::makeAction(const QModelIndex &index) -{ - QIcon icon = qvariant_cast(index.data(Qt::DecorationRole)); - QAction *action = makeAction(icon, index.data().toString(), this); - QVariant v; - v.setValue(index); - action->setData(v); - return action; -} - -QAction *ModelMenu::makeAction(const QIcon &icon, const QString &text, QObject *parent) -{ - QFontMetrics fm(font()); - if (-1 == m_maxWidth) - m_maxWidth = fm.width(QLatin1Char('m')) * 30; - QString smallText = fm.elidedText(text, Qt::ElideMiddle, m_maxWidth); - return new QAction(icon, smallText, parent); -} - -void ModelMenu::triggered(QAction *action) -{ - QVariant v = action->data(); - if (v.canConvert()) { - QModelIndex idx = qvariant_cast(v); - emit activated(idx); - } -} - -void ModelMenu::hovered(QAction *action) -{ - QVariant v = action->data(); - if (v.canConvert()) { - QModelIndex idx = qvariant_cast(v); - QString hoveredString = idx.data(m_hoverRole).toString(); - if (!hoveredString.isEmpty()) - emit hovered(hoveredString); - } -} -