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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "findtoolwindow.h"
#include "ifindfilter.h"
#include "findplugin.h"
#include <coreplugin/icore.h>
#include <QSettings>
#include <QStringListModel>
#include <QCompleter>
#include <QKeyEvent>
#include <QScrollArea>
using namespace Find;
using namespace Find::Internal;
static FindToolWindow *m_instance = 0;
FindToolWindow::FindToolWindow(FindPlugin *plugin, QWidget *parent)
: QWidget(parent),
m_plugin(plugin),
m_findCompleter(new QCompleter(this)),
m_currentFilter(0),
m_configWidget(0)
{
m_instance = this;
m_ui.setupUi(this);
m_ui.searchTerm->setPlaceholderText(QString());
setFocusProxy(m_ui.searchTerm);
connect(m_ui.searchButton, SIGNAL(clicked()), this, SLOT(search()));
connect(m_ui.replaceButton, SIGNAL(clicked()), this, SLOT(replace()));
connect(m_ui.matchCase, SIGNAL(toggled(bool)), m_plugin, SLOT(setCaseSensitive(bool)));
connect(m_ui.wholeWords, SIGNAL(toggled(bool)), m_plugin, SLOT(setWholeWord(bool)));
connect(m_ui.regExp, SIGNAL(toggled(bool)), m_plugin, SLOT(setRegularExpression(bool)));
connect(m_ui.filterList, SIGNAL(activated(int)), this, SLOT(setCurrentFilter(int)));
connect(m_ui.searchTerm, SIGNAL(textChanged(QString)), this, SLOT(updateButtonStates()));
m_findCompleter->setModel(m_plugin->findCompletionModel());
m_ui.searchTerm->setSpecialCompleter(m_findCompleter);
m_ui.searchTerm->installEventFilter(this);
QVBoxLayout *layout = new QVBoxLayout;
layout->setMargin(0);
layout->setSpacing(0);
m_ui.configWidget->setLayout(layout);
updateButtonStates();
connect(m_plugin, SIGNAL(findFlagsChanged()), this, SLOT(updateFindFlags()));
}
FindToolWindow::~FindToolWindow()
{
qDeleteAll(m_configWidgets);
}
FindToolWindow *FindToolWindow::instance()
{
return m_instance;
}
bool FindToolWindow::event(QEvent *event)
{
if (event->type() == QEvent::KeyPress) {
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
if ((ke->key() == Qt::Key_Return || ke->key() == Qt::Key_Enter)
&& (ke->modifiers() == Qt::NoModifier || ke->modifiers() == Qt::KeypadModifier)) {
ke->accept();
search();
return true;
}
}
return QWidget::event(event);
}
bool FindToolWindow::eventFilter(QObject *obj, QEvent *event)
{
if (obj == m_ui.searchTerm && event->type() == QEvent::KeyPress) {
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
if (ke->key() == Qt::Key_Down) {
if (m_ui.searchTerm->text().isEmpty())
m_findCompleter->setCompletionPrefix(QString());
m_findCompleter->complete();
}
}
return QWidget::eventFilter(obj, event);
}
void FindToolWindow::updateButtonStates()
{
bool filterEnabled = m_currentFilter && m_currentFilter->isEnabled();
bool enabled = !m_ui.searchTerm->text().isEmpty() && filterEnabled;
m_ui.searchButton->setEnabled(enabled);
m_ui.replaceButton->setEnabled(m_currentFilter
&& m_currentFilter->isReplaceSupported() && enabled);
if (m_configWidget)
m_configWidget->setEnabled(filterEnabled);
m_ui.matchCase->setEnabled(filterEnabled
&& (m_currentFilter->supportedFindFlags() & FindCaseSensitively));
m_ui.wholeWords->setEnabled(filterEnabled
&& (m_currentFilter->supportedFindFlags() & FindWholeWords));
m_ui.regExp->setEnabled(filterEnabled
&& (m_currentFilter->supportedFindFlags() & FindRegularExpression));
m_ui.searchTerm->setEnabled(filterEnabled);
}
void FindToolWindow::updateFindFlags()
{
m_ui.matchCase->setChecked(m_plugin->hasFindFlag(FindCaseSensitively));
m_ui.wholeWords->setChecked(m_plugin->hasFindFlag(FindWholeWords));
m_ui.regExp->setChecked(m_plugin->hasFindFlag(FindRegularExpression));
}
void FindToolWindow::setFindFilters(const QList<IFindFilter *> &filters)
{
qDeleteAll(m_configWidgets);
m_configWidgets.clear();
m_filters = filters;
m_ui.filterList->clear();
QStringList names;
foreach (IFindFilter *filter, filters) {
names << filter->displayName();
m_configWidgets.append(filter->createConfigWidget());
}
m_ui.filterList->addItems(names);
if (m_filters.size() > 0)
setCurrentFilter(0);
}
void FindToolWindow::setFindText(const QString &text)
{
m_ui.searchTerm->setText(text);
}
void FindToolWindow::setCurrentFilter(IFindFilter *filter)
{
if (!filter)
filter = m_currentFilter;
int index = m_filters.indexOf(filter);
if (index >= 0)
setCurrentFilter(index);
updateFindFlags();
m_ui.searchTerm->setFocus();
m_ui.searchTerm->selectAll();
}
void FindToolWindow::setCurrentFilter(int index)
{
m_ui.filterList->setCurrentIndex(index);
for (int i = 0; i < m_configWidgets.size(); ++i) {
QWidget *configWidget = m_configWidgets.at(i);
if (i == index) {
m_configWidget = configWidget;
if (m_currentFilter)
disconnect(m_currentFilter, SIGNAL(enabledChanged(bool)), this, SLOT(updateButtonStates()));
m_currentFilter = m_filters.at(i);
connect(m_currentFilter, SIGNAL(enabledChanged(bool)), this, SLOT(updateButtonStates()));
updateButtonStates();
if (m_configWidget)
m_ui.configWidget->layout()->addWidget(m_configWidget);
} else {
if (configWidget)
configWidget->setParent(0);
}
}
QWidget *w = m_ui.configWidget;
while (w) {
QScrollArea *sa = qobject_cast<QScrollArea *>(w);
if (sa) {
sa->updateGeometry();
break;
}
w = w->parentWidget();
}
for (w = m_configWidget ? m_configWidget : m_ui.configWidget; w; w = w->parentWidget()) {
if (w->layout())
w->layout()->activate();
}
}
void FindToolWindow::acceptAndGetParameters(QString *term, IFindFilter **filter)
{
if (filter)
*filter = 0;
m_plugin->updateFindCompletion(m_ui.searchTerm->text());
int index = m_ui.filterList->currentIndex();
QString searchTerm = m_ui.searchTerm->text();
if (term)
*term = searchTerm;
if (searchTerm.isEmpty() || index < 0)
return;
if (filter)
*filter = m_filters.at(index);
}
void FindToolWindow::search()
{
QString term;
IFindFilter *filter;
acceptAndGetParameters(&term, &filter);
if (filter)
filter->findAll(term, m_plugin->findFlags());
}
void FindToolWindow::replace()
{
QString term;
IFindFilter *filter;
acceptAndGetParameters(&term, &filter);
filter->replaceAll(term, m_plugin->findFlags());
}
void FindToolWindow::writeSettings()
{
QSettings *settings = Core::ICore::settings();
settings->beginGroup(QLatin1String("Find"));
settings->setValue(QLatin1String("CurrentFilter"), m_currentFilter ? m_currentFilter->id() : QString());
foreach (IFindFilter *filter, m_filters)
filter->writeSettings(settings);
settings->endGroup();
}
void FindToolWindow::readSettings()
{
QSettings *settings = Core::ICore::settings();
settings->beginGroup(QLatin1String("Find"));
const QString currentFilter = settings->value(QLatin1String("CurrentFilter")).toString();
for (int i = 0; i < m_filters.size(); ++i) {
IFindFilter *filter = m_filters.at(i);
filter->readSettings(settings);
if (filter->id() == currentFilter)
setCurrentFilter(i);
}
settings->endGroup();
}
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