examples/accessibleapps/clientcachedialog.cpp

0001 /*
0002     SPDX-FileCopyrightText: 2012 Frederik Gladhorn <gladhorn@kde.org>
0003     SPDX-FileCopyrightText: 2012 Sebastian Sauer <sebastian.sauer@kdab.com>
0004
0005
0006     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
0007 */
0008
0009 #include "clientcachedialog.h"
0010
0011 #include "qaccessibilityclient/registrycache_p.h"
0012
0013 #include <QBoxLayout>
0014 #include <QComboBox>
0015 #include <QDialogButtonBox>
0016 #include <QLabel>
0017 #include <QPushButton>
0018 #include <QStandardItemModel>
0019 #include <QTreeView>
0020
0021 ClientCacheDialog::ClientCacheDialog(QAccessibleClient::Registry *registry, QWidget *parent)
0022 : QDialog(parent)
0023 , m_registry(registry)
0024 , m_cache(new QAccessibleClient::RegistryPrivateCacheApi(m_registry))
0025 {
0026     setModal(true);
0027     QVBoxLayout *lay = new QVBoxLayout(this);
0028     setLayout(lay);
0029
0030     m_view = new QTreeView(this);
0031     m_view->setEditTriggers(QAbstractItemView::NoEditTriggers);
0032     m_view->setRootIsDecorated(false);
0033     m_view->setSortingEnabled(true);
0034     m_view->setItemsExpandable(false);
0035     //list->setHeaderHidden(true);
0036     m_model = new QStandardItemModel(m_view);
0037     m_model->setColumnCount(3);
0038     m_view->setModel(m_model);
0039     lay->addWidget(m_view);
0040
0041     QHBoxLayout *buttonsLay = new QHBoxLayout(this);
0042     buttonsLay->setContentsMargins(0, 0, 0, 0);
0043     buttonsLay->setSpacing(0);
0044     QPushButton *updateButton = new QPushButton(QStringLiteral("Refresh"), this);
0045     buttonsLay->addWidget(updateButton);
0046     connect(updateButton, SIGNAL(clicked(bool)), this, SLOT(updateView()));
0047     QPushButton *clearButton = new QPushButton(QStringLiteral("Clear"), this);
0048     buttonsLay->addWidget(clearButton);
0049
0050     QLabel *cacheLabel = new QLabel(QStringLiteral("Strategy:"), this);
0051     buttonsLay->addWidget(cacheLabel);
0052     m_cacheCombo = new QComboBox(this);
0053     cacheLabel->setBuddy(m_cacheCombo);
0054     m_cacheCombo->setEditable(false);
0055     m_cacheCombo->addItem(QStringLiteral("Disable"), int(QAccessibleClient::RegistryPrivateCacheApi::NoCache));
0056     m_cacheCombo->addItem(QStringLiteral("Weak"), int(QAccessibleClient::RegistryPrivateCacheApi::WeakCache));
0057     for(int i = 0; i < m_cacheCombo->count(); ++i) {
0058         if (m_cacheCombo->itemData(i).toInt() == m_cache->cacheType()) {
0059             m_cacheCombo->setCurrentIndex(i);
0060             break;
0061         }
0062     }
0063     connect(m_cacheCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(cacheStrategyChanged()));
0064     buttonsLay->addWidget(m_cacheCombo);
0065     buttonsLay->addWidget(new QLabel(QStringLiteral("Count:"), this));
0066     m_countLabel = new QLabel(this);
0067     buttonsLay->addWidget(m_countLabel);
0068     buttonsLay->addStretch(1);
0069
0070     connect(clearButton, SIGNAL(clicked(bool)), this, SLOT(clearCache()));
0071     QDialogButtonBox *buttons = new QDialogButtonBox(QDialogButtonBox::Close, Qt::Horizontal, this);
0072     buttonsLay->addWidget(buttons);
0073     QPushButton *closeButton = buttons->button(QDialogButtonBox::Close);
0074     connect(closeButton, SIGNAL(clicked(bool)), this, SLOT(accept()));
0075     lay->addLayout(buttonsLay);
0076
0077     resize(minimumSize().expandedTo(QSize(660,420)));
0078
0079     updateView();
0080     m_view->sortByColumn(2, Qt::AscendingOrder);
0081 }
0082
0083 void ClientCacheDialog::clearCache()
0084 {
0085     m_cache->clearClientCache();
0086     updateView();
0087 }
0088
0089 void ClientCacheDialog::cacheStrategyChanged()
0090 {
0091     int c = m_cacheCombo->itemData(m_cacheCombo->currentIndex()).toInt();
0092     m_cache->setCacheType(QAccessibleClient::RegistryPrivateCacheApi::CacheType(c));
0093     updateView();
0094 }
0095
0096 void ClientCacheDialog::updateView()
0097 {
0098     m_model->clear();
0099     m_model->setHorizontalHeaderLabels( QStringList() << QStringLiteral("Name") << QStringLiteral("Role") << QStringLiteral("Identifier") );
0100     const QStringList cache = m_cache->clientCacheObjects();
0101     m_countLabel->setText(QString::number(cache.count()));
0102     for (const QString &c : cache) {
0103         QAccessibleClient::AccessibleObject obj = m_cache->clientCacheObject(c);
0104         if (obj.isValid())
0105             m_model->appendRow( QList<QStandardItem*>()
0106             << new QStandardItem(obj.name())
0107             << new QStandardItem(obj.roleName())
0108             << new QStandardItem(obj.id()) );
0109     }
0110     m_view->setColumnWidth(0, 180);
0111     m_view->resizeColumnToContents(1);
0112     m_view->resizeColumnToContents(2);
0113 }
0114
0115 #include "moc_clientcachedialog.cpp"