+/***************************************************************************
+ * Copyright (C) 2014 by Emmanuel Pescosta <emmanuelpescosta099@gmail.com> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
+ ***************************************************************************/
+
+#include "dolphintabwidget.h"
+
+#include "dolphintabbar.h"
+#include "dolphintabpage.h"
+#include "dolphinviewcontainer.h"
+#include "dolphin_generalsettings.h"
+#include "views/draganddrophelper.h"
+
+#include <QApplication>
+#include <KConfigGroup>
+#include <KIcon>
+#include <KRun>
+
+DolphinTabWidget::DolphinTabWidget(QWidget* parent) :
+ QTabWidget(parent),
+ m_placesSelectorVisible(true)
+{
+ connect(this, SIGNAL(tabCloseRequested(int)),
+ this, SLOT(closeTab(int)));
+ connect(this, SIGNAL(currentChanged(int)),
+ this, SLOT(currentTabChanged(int)));
+
+ DolphinTabBar* tabBar = new DolphinTabBar(this);
+ connect(tabBar, SIGNAL(openNewActivatedTab(int)),
+ this, SLOT(openNewActivatedTab(int)));
+ connect(tabBar, SIGNAL(tabDropEvent(int,QDropEvent*)),
+ this, SLOT(tabDropEvent(int,QDropEvent*)));
+ connect(tabBar, SIGNAL(tabDetachRequested(int)),
+ this, SLOT(detachTab(int)));
+ tabBar->hide();
+
+ setTabBar(tabBar);
+ setDocumentMode(true);
+ setElideMode(Qt::ElideRight);
+ setUsesScrollButtons(true);
+}
+
+DolphinTabPage* DolphinTabWidget::currentTabPage() const
+{
+ return tabPageAt(currentIndex());
+}
+
+DolphinTabPage* DolphinTabWidget::tabPageAt(const int index) const
+{
+ return static_cast<DolphinTabPage*>(widget(index));
+}
+
+void DolphinTabWidget::saveProperties(KConfigGroup& group) const
+{
+ const int tabCount = count();
+ group.writeEntry("Tab Count", tabCount);
+ group.writeEntry("Active Tab Index", currentIndex());
+
+ for (int i = 0; i < tabCount; ++i) {
+ const DolphinTabPage* tabPage = tabPageAt(i);
+ group.writeEntry("Tab " % QString::number(i), tabPage->saveState());
+ }
+}
+
+void DolphinTabWidget::readProperties(const KConfigGroup& group)
+{
+ const int tabCount = group.readEntry("Tab Count", 0);
+ for (int i = 0; i < tabCount; ++i) {
+ if (i >= count()) {
+ openNewActivatedTab();
+ }
+ const QByteArray state = group.readEntry("Tab " % QString::number(i), QByteArray());
+ tabPageAt(i)->restoreState(state);
+ }
+
+ const int index = group.readEntry("Active Tab Index", 0);
+ setCurrentIndex(index);
+}
+
+void DolphinTabWidget::refreshViews()
+{
+ const int tabCount = count();
+ for (int i = 0; i < tabCount; ++i) {
+ tabPageAt(i)->refreshViews();
+ }
+}
+
+void DolphinTabWidget::openNewActivatedTab()
+{
+ const DolphinViewContainer* oldActiveViewContainer = currentTabPage()->activeViewContainer();
+ Q_ASSERT(oldActiveViewContainer);
+
+ const bool isUrlEditable = oldActiveViewContainer->urlNavigator()->isUrlEditable();
+
+ openNewActivatedTab(oldActiveViewContainer->url());
+
+ DolphinViewContainer* newActiveViewContainer = currentTabPage()->activeViewContainer();
+ Q_ASSERT(newActiveViewContainer);
+
+ // The URL navigator of the new tab should have the same editable state
+ // as the current tab
+ KUrlNavigator* navigator = newActiveViewContainer->urlNavigator();
+ navigator->setUrlEditable(isUrlEditable);
+
+ if (isUrlEditable) {
+ // If a new tab is opened and the URL is editable, assure that
+ // the user can edit the URL without manually setting the focus
+ navigator->setFocus();
+ }
+}
+
+void DolphinTabWidget::openNewActivatedTab(const KUrl& primaryUrl, const KUrl& secondaryUrl)
+{
+ openNewTab(primaryUrl, secondaryUrl);
+ setCurrentIndex(count() - 1);
+}
+
+void DolphinTabWidget::openNewTab(const KUrl& primaryUrl, const KUrl& secondaryUrl)
+{
+ QWidget* focusWidget = QApplication::focusWidget();
+
+ DolphinTabPage* tabPage = new DolphinTabPage(primaryUrl, secondaryUrl, this);
+ tabPage->setPlacesSelectorVisible(m_placesSelectorVisible);
+ connect(tabPage, SIGNAL(activeViewChanged(DolphinViewContainer*)),
+ this, SIGNAL(activeViewChanged(DolphinViewContainer*)));
+ connect(tabPage, SIGNAL(activeViewUrlChanged(KUrl)),
+ this, SLOT(tabUrlChanged(KUrl)));
+ addTab(tabPage, KIcon(KMimeType::iconNameForUrl(primaryUrl)), tabName(primaryUrl));
+
+ if (focusWidget) {
+ // The DolphinViewContainer grabbed the keyboard focus. As the tab is opened
+ // in background, assure that the previous focused widget gets the focus back.
+ focusWidget->setFocus();
+ }
+}
+
+void DolphinTabWidget::openDirectories(const QList<KUrl>& dirs)
+{
+ const bool hasSplitView = GeneralSettings::splitView();
+
+ // Open each directory inside a new tab. If the "split view" option has been enabled,
+ // always show two directories within one tab.
+ QList<KUrl>::const_iterator it = dirs.constBegin();
+ while (it != dirs.constEnd()) {
+ const KUrl& primaryUrl = *(it++);
+ if (hasSplitView && (it != dirs.constEnd())) {
+ const KUrl& secondaryUrl = *(it++);
+ openNewTab(primaryUrl, secondaryUrl);
+ } else {
+ openNewTab(primaryUrl);
+ }
+ }
+}
+
+void DolphinTabWidget::openFiles(const QList<KUrl>& files)
+{
+ if (files.isEmpty()) {
+ return;
+ }
+
+ // Get all distinct directories from 'files' and open a tab
+ // for each directory. If the "split view" option is enabled, two
+ // directories are shown inside one tab (see openDirectories()).
+ QList<KUrl> dirs;
+ foreach (const KUrl& url, files) {
+ const KUrl dir(url.directory());
+ if (!dirs.contains(dir)) {
+ dirs.append(dir);
+ }
+ }
+
+ const int oldTabCount = count();
+ openDirectories(dirs);
+ const int tabCount = count();
+
+ // Select the files. Although the files can be split between several
+ // tabs, there is no need to split 'files' accordingly, as
+ // the DolphinView will just ignore invalid selections.
+ for (int i = oldTabCount; i < tabCount; ++i) {
+ DolphinTabPage* tabPage = tabPageAt(i);
+ tabPage->markUrlsAsSelected(files);
+ tabPage->markUrlAsCurrent(files.first());
+ }
+}
+
+void DolphinTabWidget::closeTab()
+{
+ closeTab(currentIndex());
+}
+
+void DolphinTabWidget::closeTab(const int index)
+{
+ Q_ASSERT(index >= 0);
+ Q_ASSERT(index < count());
+
+ if (count() < 2) {
+ // Never close the last tab.
+ return;
+ }
+
+ DolphinTabPage* tabPage = tabPageAt(index);
+ if (tabPage->splitViewEnabled()) {
+ emit rememberClosedTab(tabPage->primaryViewContainer()->url(),
+ tabPage->secondaryViewContainer()->url());
+ } else {
+ emit rememberClosedTab(tabPage->primaryViewContainer()->url(), KUrl());
+ }
+
+ removeTab(index);
+ tabPage->deleteLater();
+}
+
+void DolphinTabWidget::activateNextTab()
+{
+ const int index = currentIndex() + 1;
+ setCurrentIndex(index < count() ? index : 0);
+}
+
+void DolphinTabWidget::activatePrevTab()
+{
+ const int index = currentIndex() - 1;
+ setCurrentIndex(index >= 0 ? index : (count() - 1));
+}
+
+void DolphinTabWidget::slotPlacesPanelVisibilityChanged(bool visible)
+{
+ // The places-selector from the URL navigator should only be shown
+ // if the places dock is invisible
+ m_placesSelectorVisible = !visible;
+
+ const int tabCount = count();
+ for (int i = 0; i < tabCount; ++i) {
+ DolphinTabPage* tabPage = tabPageAt(i);
+ tabPage->setPlacesSelectorVisible(m_placesSelectorVisible);
+ }
+}
+
+void DolphinTabWidget::detachTab(int index)
+{
+ Q_ASSERT(index >= 0);
+
+ const QString separator(QLatin1Char(' '));
+ QString command = QLatin1String("dolphin");
+
+ const DolphinTabPage* tabPage = tabPageAt(index);
+ command += separator + tabPage->primaryViewContainer()->url().url();
+ if (tabPage->splitViewEnabled()) {
+ command += separator + tabPage->secondaryViewContainer()->url().url();
+ command += separator + QLatin1String("-split");
+ }
+
+ KRun::runCommand(command, this);
+
+ closeTab(index);
+}
+
+void DolphinTabWidget::openNewActivatedTab(int index)
+{
+ Q_ASSERT(index >= 0);
+ const DolphinTabPage* tabPage = tabPageAt(index);
+ openNewActivatedTab(tabPage->activeViewContainer()->url());
+}
+
+void DolphinTabWidget::tabDropEvent(int index, QDropEvent* event)
+{
+ if (index >= 0) {
+ const DolphinView* view = tabPageAt(index)->activeViewContainer()->view();
+
+ QString error;
+ DragAndDropHelper::dropUrls(view->rootItem(), view->url(), event, error);
+ if (!error.isEmpty()) {
+ currentTabPage()->activeViewContainer()->showMessage(error, DolphinViewContainer::Error);
+ }
+ }
+}
+
+void DolphinTabWidget::tabUrlChanged(const KUrl& url)
+{
+ const int index = indexOf(qobject_cast<QWidget*>(sender()));
+ if (index >= 0) {
+ tabBar()->setTabText(index, tabName(url));
+ tabBar()->setTabIcon(index, KIcon(KMimeType::iconNameForUrl(url)));
+ }
+}
+
+void DolphinTabWidget::currentTabChanged(int index)
+{
+ emit activeViewChanged(tabPageAt(index)->activeViewContainer());
+}
+
+void DolphinTabWidget::tabInserted(int index)
+{
+ QTabWidget::tabInserted(index);
+
+ if (count() > 1) {
+ tabBar()->show();
+ }
+
+ emit tabCountChanged(count());
+}
+
+void DolphinTabWidget::tabRemoved(int index)
+{
+ QTabWidget::tabRemoved(index);
+
+ // If only one tab is left, then remove the tab entry so that
+ // closing the last tab is not possible.
+ if (count() < 2) {
+ tabBar()->hide();
+ }
+
+ emit tabCountChanged(count());
+}
+
+QString DolphinTabWidget::tabName(const KUrl& url) const
+{
+ QString name;
+ if (url.equals(KUrl("file:///"))) {
+ name = '/';
+ } else {
+ name = url.fileName();
+ if (name.isEmpty()) {
+ name = url.protocol();
+ } else {
+ // Make sure that a '&' inside the directory name is displayed correctly
+ // and not misinterpreted as a keyboard shortcut in QTabBar::setTabText()
+ name.replace('&', "&&");
+ }
+ }
+ return name;
+}