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Diffstat (limited to 'demos/browser/bookmarks.cpp')
| -rw-r--r-- | demos/browser/bookmarks.cpp | 987 |
1 files changed, 987 insertions, 0 deletions
diff --git a/demos/browser/bookmarks.cpp b/demos/browser/bookmarks.cpp new file mode 100644 index 0000000..8e7823d --- /dev/null +++ b/demos/browser/bookmarks.cpp @@ -0,0 +1,987 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "bookmarks.h" + +#include "autosaver.h" +#include "browserapplication.h" +#include "history.h" +#include "xbel.h" + +#include <QtCore/QBuffer> +#include <QtCore/QFile> +#include <QtCore/QMimeData> + +#include <QtGui/QDesktopServices> +#include <QtGui/QDragEnterEvent> +#include <QtGui/QFileDialog> +#include <QtGui/QHeaderView> +#include <QtGui/QIcon> +#include <QtGui/QMessageBox> +#include <QtGui/QToolButton> + +#include <QtWebKit/QWebSettings> + +#include <QtCore/QDebug> + +#define BOOKMARKBAR "Bookmarks Bar" +#define BOOKMARKMENU "Bookmarks Menu" + +BookmarksManager::BookmarksManager(QObject *parent) + : QObject(parent) + , m_loaded(false) + , m_saveTimer(new AutoSaver(this)) + , m_bookmarkRootNode(0) + , m_bookmarkModel(0) +{ + connect(this, SIGNAL(entryAdded(BookmarkNode *)), + m_saveTimer, SLOT(changeOccurred())); + connect(this, SIGNAL(entryRemoved(BookmarkNode *, int, BookmarkNode *)), + m_saveTimer, SLOT(changeOccurred())); + connect(this, SIGNAL(entryChanged(BookmarkNode *)), + m_saveTimer, SLOT(changeOccurred())); +} + +BookmarksManager::~BookmarksManager() +{ + m_saveTimer->saveIfNeccessary(); +} + +void BookmarksManager::changeExpanded() +{ + m_saveTimer->changeOccurred(); +} + +void BookmarksManager::load() +{ + if (m_loaded) + return; + m_loaded = true; + + QString dir = QDesktopServices::storageLocation(QDesktopServices::DataLocation); + QString bookmarkFile = dir + QLatin1String("/bookmarks.xbel"); + if (!QFile::exists(bookmarkFile)) + bookmarkFile = QLatin1String(":defaultbookmarks.xbel"); + + XbelReader reader; + m_bookmarkRootNode = reader.read(bookmarkFile); + if (reader.error() != QXmlStreamReader::NoError) { + QMessageBox::warning(0, QLatin1String("Loading Bookmark"), + tr("Error when loading bookmarks on line %1, column %2:\n" + "%3").arg(reader.lineNumber()).arg(reader.columnNumber()).arg(reader.errorString())); + } + + BookmarkNode *toolbar = 0; + BookmarkNode *menu = 0; + QList<BookmarkNode*> others; + for (int i = m_bookmarkRootNode->children().count() - 1; i >= 0; --i) { + BookmarkNode *node = m_bookmarkRootNode->children().at(i); + if (node->type() == BookmarkNode::Folder) { + // Automatically convert + if (node->title == tr("Toolbar Bookmarks") && !toolbar) { + node->title = tr(BOOKMARKBAR); + } + if (node->title == tr(BOOKMARKBAR) && !toolbar) { + toolbar = node; + } + + // Automatically convert + if (node->title == tr("Menu") && !menu) { + node->title = tr(BOOKMARKMENU); + } + if (node->title == tr(BOOKMARKMENU) && !menu) { + menu = node; + } + } else { + others.append(node); + } + m_bookmarkRootNode->remove(node); + } + Q_ASSERT(m_bookmarkRootNode->children().count() == 0); + if (!toolbar) { + toolbar = new BookmarkNode(BookmarkNode::Folder, m_bookmarkRootNode); + toolbar->title = tr(BOOKMARKBAR); + } else { + m_bookmarkRootNode->add(toolbar); + } + + if (!menu) { + menu = new BookmarkNode(BookmarkNode::Folder, m_bookmarkRootNode); + menu->title = tr(BOOKMARKMENU); + } else { + m_bookmarkRootNode->add(menu); + } + + for (int i = 0; i < others.count(); ++i) + menu->add(others.at(i)); +} + +void BookmarksManager::save() const +{ + if (!m_loaded) + return; + + XbelWriter writer; + QString dir = QDesktopServices::storageLocation(QDesktopServices::DataLocation); + QString bookmarkFile = dir + QLatin1String("/bookmarks.xbel"); + if (!writer.write(bookmarkFile, m_bookmarkRootNode)) + qWarning() << "BookmarkManager: error saving to" << bookmarkFile; +} + +void BookmarksManager::addBookmark(BookmarkNode *parent, BookmarkNode *node, int row) +{ + if (!m_loaded) + return; + Q_ASSERT(parent); + InsertBookmarksCommand *command = new InsertBookmarksCommand(this, parent, node, row); + m_commands.push(command); +} + +void BookmarksManager::removeBookmark(BookmarkNode *node) +{ + if (!m_loaded) + return; + + Q_ASSERT(node); + BookmarkNode *parent = node->parent(); + int row = parent->children().indexOf(node); + RemoveBookmarksCommand *command = new RemoveBookmarksCommand(this, parent, row); + m_commands.push(command); +} + +void BookmarksManager::setTitle(BookmarkNode *node, const QString &newTitle) +{ + if (!m_loaded) + return; + + Q_ASSERT(node); + ChangeBookmarkCommand *command = new ChangeBookmarkCommand(this, node, newTitle, true); + m_commands.push(command); +} + +void BookmarksManager::setUrl(BookmarkNode *node, const QString &newUrl) +{ + if (!m_loaded) + return; + + Q_ASSERT(node); + ChangeBookmarkCommand *command = new ChangeBookmarkCommand(this, node, newUrl, false); + m_commands.push(command); +} + +BookmarkNode *BookmarksManager::bookmarks() +{ + if (!m_loaded) + load(); + return m_bookmarkRootNode; +} + +BookmarkNode *BookmarksManager::menu() +{ + if (!m_loaded) + load(); + + for (int i = m_bookmarkRootNode->children().count() - 1; i >= 0; --i) { + BookmarkNode *node = m_bookmarkRootNode->children().at(i); + if (node->title == tr(BOOKMARKMENU)) + return node; + } + Q_ASSERT(false); + return 0; +} + +BookmarkNode *BookmarksManager::toolbar() +{ + if (!m_loaded) + load(); + + for (int i = m_bookmarkRootNode->children().count() - 1; i >= 0; --i) { + BookmarkNode *node = m_bookmarkRootNode->children().at(i); + if (node->title == tr(BOOKMARKBAR)) + return node; + } + Q_ASSERT(false); + return 0; +} + +BookmarksModel *BookmarksManager::bookmarksModel() +{ + if (!m_bookmarkModel) + m_bookmarkModel = new BookmarksModel(this, this); + return m_bookmarkModel; +} + +void BookmarksManager::importBookmarks() +{ + QString fileName = QFileDialog::getOpenFileName(0, tr("Open File"), + QString(), + tr("XBEL (*.xbel *.xml)")); + if (fileName.isEmpty()) + return; + + XbelReader reader; + BookmarkNode *importRootNode = reader.read(fileName); + if (reader.error() != QXmlStreamReader::NoError) { + QMessageBox::warning(0, QLatin1String("Loading Bookmark"), + tr("Error when loading bookmarks on line %1, column %2:\n" + "%3").arg(reader.lineNumber()).arg(reader.columnNumber()).arg(reader.errorString())); + } + + importRootNode->setType(BookmarkNode::Folder); + importRootNode->title = (tr("Imported %1").arg(QDate::currentDate().toString(Qt::SystemLocaleShortDate))); + addBookmark(menu(), importRootNode); +} + +void BookmarksManager::exportBookmarks() +{ + QString fileName = QFileDialog::getSaveFileName(0, tr("Save File"), + tr("%1 Bookmarks.xbel").arg(QCoreApplication::applicationName()), + tr("XBEL (*.xbel *.xml)")); + if (fileName.isEmpty()) + return; + + XbelWriter writer; + if (!writer.write(fileName, m_bookmarkRootNode)) + QMessageBox::critical(0, tr("Export error"), tr("error saving bookmarks")); +} + +RemoveBookmarksCommand::RemoveBookmarksCommand(BookmarksManager *m_bookmarkManagaer, BookmarkNode *parent, int row) + : QUndoCommand(BookmarksManager::tr("Remove Bookmark")) + , m_row(row) + , m_bookmarkManagaer(m_bookmarkManagaer) + , m_node(parent->children().value(row)) + , m_parent(parent) + , m_done(false) +{ +} + +RemoveBookmarksCommand::~RemoveBookmarksCommand() +{ + if (m_done && !m_node->parent()) { + delete m_node; + } +} + +void RemoveBookmarksCommand::undo() +{ + m_parent->add(m_node, m_row); + emit m_bookmarkManagaer->entryAdded(m_node); + m_done = false; +} + +void RemoveBookmarksCommand::redo() +{ + m_parent->remove(m_node); + emit m_bookmarkManagaer->entryRemoved(m_parent, m_row, m_node); + m_done = true; +} + +InsertBookmarksCommand::InsertBookmarksCommand(BookmarksManager *m_bookmarkManagaer, + BookmarkNode *parent, BookmarkNode *node, int row) + : RemoveBookmarksCommand(m_bookmarkManagaer, parent, row) +{ + setText(BookmarksManager::tr("Insert Bookmark")); + m_node = node; +} + +ChangeBookmarkCommand::ChangeBookmarkCommand(BookmarksManager *m_bookmarkManagaer, BookmarkNode *node, + const QString &newValue, bool title) + : QUndoCommand() + , m_bookmarkManagaer(m_bookmarkManagaer) + , m_title(title) + , m_newValue(newValue) + , m_node(node) +{ + if (m_title) { + m_oldValue = m_node->title; + setText(BookmarksManager::tr("Name Change")); + } else { + m_oldValue = m_node->url; + setText(BookmarksManager::tr("Address Change")); + } +} + +void ChangeBookmarkCommand::undo() +{ + if (m_title) + m_node->title = m_oldValue; + else + m_node->url = m_oldValue; + emit m_bookmarkManagaer->entryChanged(m_node); +} + +void ChangeBookmarkCommand::redo() +{ + if (m_title) + m_node->title = m_newValue; + else + m_node->url = m_newValue; + emit m_bookmarkManagaer->entryChanged(m_node); +} + +BookmarksModel::BookmarksModel(BookmarksManager *bookmarkManager, QObject *parent) + : QAbstractItemModel(parent) + , m_endMacro(false) + , m_bookmarksManager(bookmarkManager) +{ + connect(bookmarkManager, SIGNAL(entryAdded(BookmarkNode *)), + this, SLOT(entryAdded(BookmarkNode *))); + connect(bookmarkManager, SIGNAL(entryRemoved(BookmarkNode *, int, BookmarkNode *)), + this, SLOT(entryRemoved(BookmarkNode *, int, BookmarkNode *))); + connect(bookmarkManager, SIGNAL(entryChanged(BookmarkNode *)), + this, SLOT(entryChanged(BookmarkNode *))); +} + +QModelIndex BookmarksModel::index(BookmarkNode *node) const +{ + BookmarkNode *parent = node->parent(); + if (!parent) + return QModelIndex(); + return createIndex(parent->children().indexOf(node), 0, node); +} + +void BookmarksModel::entryAdded(BookmarkNode *item) +{ + Q_ASSERT(item && item->parent()); + int row = item->parent()->children().indexOf(item); + BookmarkNode *parent = item->parent(); + // item was already added so remove beore beginInsertRows is called + parent->remove(item); + beginInsertRows(index(parent), row, row); + parent->add(item, row); + endInsertRows(); +} + +void BookmarksModel::entryRemoved(BookmarkNode *parent, int row, BookmarkNode *item) +{ + // item was already removed, re-add so beginRemoveRows works + parent->add(item, row); + beginRemoveRows(index(parent), row, row); + parent->remove(item); + endRemoveRows(); +} + +void BookmarksModel::entryChanged(BookmarkNode *item) +{ + QModelIndex idx = index(item); + emit dataChanged(idx, idx); +} + +bool BookmarksModel::removeRows(int row, int count, const QModelIndex &parent) +{ + if (row < 0 || count <= 0 || row + count > rowCount(parent)) + return false; + + BookmarkNode *bookmarkNode = node(parent); + for (int i = row + count - 1; i >= row; --i) { + BookmarkNode *node = bookmarkNode->children().at(i); + if (node == m_bookmarksManager->menu() + || node == m_bookmarksManager->toolbar()) + continue; + + m_bookmarksManager->removeBookmark(node); + } + if (m_endMacro) { + m_bookmarksManager->undoRedoStack()->endMacro(); + m_endMacro = false; + } + return true; +} + +QVariant BookmarksModel::headerData(int section, Qt::Orientation orientation, int role) const +{ + if (orientation == Qt::Horizontal && role == Qt::DisplayRole) { + switch (section) { + case 0: return tr("Title"); + case 1: return tr("Address"); + } + } + return QAbstractItemModel::headerData(section, orientation, role); +} + +QVariant BookmarksModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid() || index.model() != this) + return QVariant(); + + const BookmarkNode *bookmarkNode = node(index); + switch (role) { + case Qt::EditRole: + case Qt::DisplayRole: + if (bookmarkNode->type() == BookmarkNode::Separator) { + switch (index.column()) { + case 0: return QString(50, 0xB7); + case 1: return QString(); + } + } + + switch (index.column()) { + case 0: return bookmarkNode->title; + case 1: return bookmarkNode->url; + } + break; + case BookmarksModel::UrlRole: + return QUrl(bookmarkNode->url); + break; + case BookmarksModel::UrlStringRole: + return bookmarkNode->url; + break; + case BookmarksModel::TypeRole: + return bookmarkNode->type(); + break; + case BookmarksModel::SeparatorRole: + return (bookmarkNode->type() == BookmarkNode::Separator); + break; + case Qt::DecorationRole: + if (index.column() == 0) { + if (bookmarkNode->type() == BookmarkNode::Folder) + return QApplication::style()->standardIcon(QStyle::SP_DirIcon); + return BrowserApplication::instance()->icon(bookmarkNode->url); + } + } + + return QVariant(); +} + +int BookmarksModel::columnCount(const QModelIndex &parent) const +{ + return (parent.column() > 0) ? 0 : 2; +} + +int BookmarksModel::rowCount(const QModelIndex &parent) const +{ + if (parent.column() > 0) + return 0; + + if (!parent.isValid()) + return m_bookmarksManager->bookmarks()->children().count(); + + const BookmarkNode *item = static_cast<BookmarkNode*>(parent.internalPointer()); + return item->children().count(); +} + +QModelIndex BookmarksModel::index(int row, int column, const QModelIndex &parent) const +{ + if (row < 0 || column < 0 || row >= rowCount(parent) || column >= columnCount(parent)) + return QModelIndex(); + + // get the parent node + BookmarkNode *parentNode = node(parent); + return createIndex(row, column, parentNode->children().at(row)); +} + +QModelIndex BookmarksModel::parent(const QModelIndex &index) const +{ + if (!index.isValid()) + return QModelIndex(); + + BookmarkNode *itemNode = node(index); + BookmarkNode *parentNode = (itemNode ? itemNode->parent() : 0); + if (!parentNode || parentNode == m_bookmarksManager->bookmarks()) + return QModelIndex(); + + // get the parent's row + BookmarkNode *grandParentNode = parentNode->parent(); + int parentRow = grandParentNode->children().indexOf(parentNode); + Q_ASSERT(parentRow >= 0); + return createIndex(parentRow, 0, parentNode); +} + +bool BookmarksModel::hasChildren(const QModelIndex &parent) const +{ + if (!parent.isValid()) + return true; + const BookmarkNode *parentNode = node(parent); + return (parentNode->type() == BookmarkNode::Folder); +} + +Qt::ItemFlags BookmarksModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return Qt::NoItemFlags; + + Qt::ItemFlags flags = Qt::ItemIsSelectable | Qt::ItemIsEnabled; + + BookmarkNode *bookmarkNode = node(index); + + if (bookmarkNode != m_bookmarksManager->menu() + && bookmarkNode != m_bookmarksManager->toolbar()) { + flags |= Qt::ItemIsDragEnabled; + if (bookmarkNode->type() != BookmarkNode::Separator) + flags |= Qt::ItemIsEditable; + } + if (hasChildren(index)) + flags |= Qt::ItemIsDropEnabled; + return flags; +} + +Qt::DropActions BookmarksModel::supportedDropActions () const +{ + return Qt::CopyAction | Qt::MoveAction; +} + +#define MIMETYPE QLatin1String("application/bookmarks.xbel") + +QStringList BookmarksModel::mimeTypes() const +{ + QStringList types; + types << MIMETYPE; + return types; +} + +QMimeData *BookmarksModel::mimeData(const QModelIndexList &indexes) const +{ + QMimeData *mimeData = new QMimeData(); + QByteArray data; + QDataStream stream(&data, QIODevice::WriteOnly); + foreach (QModelIndex index, indexes) { + if (index.column() != 0 || !index.isValid()) + continue; + QByteArray encodedData; + QBuffer buffer(&encodedData); + buffer.open(QBuffer::ReadWrite); + XbelWriter writer; + const BookmarkNode *parentNode = node(index); + writer.write(&buffer, parentNode); + stream << encodedData; + } + mimeData->setData(MIMETYPE, data); + return mimeData; +} + +bool BookmarksModel::dropMimeData(const QMimeData *data, + Qt::DropAction action, int row, int column, const QModelIndex &parent) +{ + if (action == Qt::IgnoreAction) + return true; + + if (!data->hasFormat(MIMETYPE) + || column > 0) + return false; + + QByteArray ba = data->data(MIMETYPE); + QDataStream stream(&ba, QIODevice::ReadOnly); + if (stream.atEnd()) + return false; + + QUndoStack *undoStack = m_bookmarksManager->undoRedoStack(); + undoStack->beginMacro(QLatin1String("Move Bookmarks")); + + while (!stream.atEnd()) { + QByteArray encodedData; + stream >> encodedData; + QBuffer buffer(&encodedData); + buffer.open(QBuffer::ReadOnly); + + XbelReader reader; + BookmarkNode *rootNode = reader.read(&buffer); + QList<BookmarkNode*> children = rootNode->children(); + for (int i = 0; i < children.count(); ++i) { + BookmarkNode *bookmarkNode = children.at(i); + rootNode->remove(bookmarkNode); + row = qMax(0, row); + BookmarkNode *parentNode = node(parent); + m_bookmarksManager->addBookmark(parentNode, bookmarkNode, row); + m_endMacro = true; + } + delete rootNode; + } + return true; +} + +bool BookmarksModel::setData(const QModelIndex &index, const QVariant &value, int role) +{ + if (!index.isValid() || (flags(index) & Qt::ItemIsEditable) == 0) + return false; + + BookmarkNode *item = node(index); + + switch (role) { + case Qt::EditRole: + case Qt::DisplayRole: + if (index.column() == 0) { + m_bookmarksManager->setTitle(item, value.toString()); + break; + } + if (index.column() == 1) { + m_bookmarksManager->setUrl(item, value.toString()); + break; + } + return false; + case BookmarksModel::UrlRole: + m_bookmarksManager->setUrl(item, value.toUrl().toString()); + break; + case BookmarksModel::UrlStringRole: + m_bookmarksManager->setUrl(item, value.toString()); + break; + default: + break; + return false; + } + + return true; +} + +BookmarkNode *BookmarksModel::node(const QModelIndex &index) const +{ + BookmarkNode *itemNode = static_cast<BookmarkNode*>(index.internalPointer()); + if (!itemNode) + return m_bookmarksManager->bookmarks(); + return itemNode; +} + + +AddBookmarkProxyModel::AddBookmarkProxyModel(QObject *parent) + : QSortFilterProxyModel(parent) +{ +} + +int AddBookmarkProxyModel::columnCount(const QModelIndex &parent) const +{ + return qMin(1, QSortFilterProxyModel::columnCount(parent)); +} + +bool AddBookmarkProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const +{ + QModelIndex idx = sourceModel()->index(source_row, 0, source_parent); + return sourceModel()->hasChildren(idx); +} + +AddBookmarkDialog::AddBookmarkDialog(const QString &url, const QString &title, QWidget *parent, BookmarksManager *bookmarkManager) + : QDialog(parent) + , m_url(url) + , m_bookmarksManager(bookmarkManager) +{ + setWindowFlags(Qt::Sheet); + if (!m_bookmarksManager) + m_bookmarksManager = BrowserApplication::bookmarksManager(); + setupUi(this); + QTreeView *view = new QTreeView(this); + m_proxyModel = new AddBookmarkProxyModel(this); + BookmarksModel *model = m_bookmarksManager->bookmarksModel(); + m_proxyModel->setSourceModel(model); + view->setModel(m_proxyModel); + view->expandAll(); + view->header()->setStretchLastSection(true); + view->header()->hide(); + view->setItemsExpandable(false); + view->setRootIsDecorated(false); + view->setIndentation(10); + location->setModel(m_proxyModel); + view->show(); + location->setView(view); + BookmarkNode *menu = m_bookmarksManager->menu(); + QModelIndex idx = m_proxyModel->mapFromSource(model->index(menu)); + view->setCurrentIndex(idx); + location->setCurrentIndex(idx.row()); + name->setText(title); +} + +void AddBookmarkDialog::accept() +{ + QModelIndex index = location->view()->currentIndex(); + index = m_proxyModel->mapToSource(index); + if (!index.isValid()) + index = m_bookmarksManager->bookmarksModel()->index(0, 0); + BookmarkNode *parent = m_bookmarksManager->bookmarksModel()->node(index); + BookmarkNode *bookmark = new BookmarkNode(BookmarkNode::Bookmark); + bookmark->url = m_url; + bookmark->title = name->text(); + m_bookmarksManager->addBookmark(parent, bookmark); + QDialog::accept(); +} + +BookmarksMenu::BookmarksMenu(QWidget *parent) + : ModelMenu(parent) + , m_bookmarksManager(0) +{ + connect(this, SIGNAL(activated(const QModelIndex &)), + this, SLOT(activated(const QModelIndex &))); + setMaxRows(-1); + setHoverRole(BookmarksModel::UrlStringRole); + setSeparatorRole(BookmarksModel::SeparatorRole); +} + +void BookmarksMenu::activated(const QModelIndex &index) +{ + emit openUrl(index.data(BookmarksModel::UrlRole).toUrl()); +} + +bool BookmarksMenu::prePopulated() +{ + m_bookmarksManager = BrowserApplication::bookmarksManager(); + setModel(m_bookmarksManager->bookmarksModel()); + setRootIndex(m_bookmarksManager->bookmarksModel()->index(1, 0)); + // initial actions + for (int i = 0; i < m_initialActions.count(); ++i) + addAction(m_initialActions.at(i)); + if (!m_initialActions.isEmpty()) + addSeparator(); + createMenu(model()->index(0, 0), 1, this); + return true; +} + +void BookmarksMenu::setInitialActions(QList<QAction*> actions) +{ + m_initialActions = actions; + for (int i = 0; i < m_initialActions.count(); ++i) + addAction(m_initialActions.at(i)); +} + +BookmarksDialog::BookmarksDialog(QWidget *parent, BookmarksManager *manager) + : QDialog(parent) +{ + m_bookmarksManager = manager; + if (!m_bookmarksManager) + m_bookmarksManager = BrowserApplication::bookmarksManager(); + setupUi(this); + + tree->setUniformRowHeights(true); + tree->setSelectionBehavior(QAbstractItemView::SelectRows); + tree->setSelectionMode(QAbstractItemView::ContiguousSelection); + tree->setTextElideMode(Qt::ElideMiddle); + m_bookmarksModel = m_bookmarksManager->bookmarksModel(); + m_proxyModel = new TreeProxyModel(this); + connect(search, SIGNAL(textChanged(QString)), + m_proxyModel, SLOT(setFilterFixedString(QString))); + connect(removeButton, SIGNAL(clicked()), tree, SLOT(removeOne())); + m_proxyModel->setSourceModel(m_bookmarksModel); + tree->setModel(m_proxyModel); + tree->setDragDropMode(QAbstractItemView::InternalMove); + tree->setExpanded(m_proxyModel->index(0, 0), true); + tree->setAlternatingRowColors(true); + QFontMetrics fm(font()); + int header = fm.width(QLatin1Char('m')) * 40; + tree->header()->resizeSection(0, header); + tree->header()->setStretchLastSection(true); + connect(tree, SIGNAL(activated(const QModelIndex&)), + this, SLOT(open())); + tree->setContextMenuPolicy(Qt::CustomContextMenu); + connect(tree, SIGNAL(customContextMenuRequested(const QPoint &)), + this, SLOT(customContextMenuRequested(const QPoint &))); + connect(addFolderButton, SIGNAL(clicked()), + this, SLOT(newFolder())); + expandNodes(m_bookmarksManager->bookmarks()); + setAttribute(Qt::WA_DeleteOnClose); +} + +BookmarksDialog::~BookmarksDialog() +{ + if (saveExpandedNodes(tree->rootIndex())) + m_bookmarksManager->changeExpanded(); +} + +bool BookmarksDialog::saveExpandedNodes(const QModelIndex &parent) +{ + bool changed = false; + for (int i = 0; i < m_proxyModel->rowCount(parent); ++i) { + QModelIndex child = m_proxyModel->index(i, 0, parent); + QModelIndex sourceIndex = m_proxyModel->mapToSource(child); + BookmarkNode *childNode = m_bookmarksModel->node(sourceIndex); + bool wasExpanded = childNode->expanded; + if (tree->isExpanded(child)) { + childNode->expanded = true; + changed |= saveExpandedNodes(child); + } else { + childNode->expanded = false; + } + changed |= (wasExpanded != childNode->expanded); + } + return changed; +} + +void BookmarksDialog::expandNodes(BookmarkNode *node) +{ + for (int i = 0; i < node->children().count(); ++i) { + BookmarkNode *childNode = node->children()[i]; + if (childNode->expanded) { + QModelIndex idx = m_bookmarksModel->index(childNode); + idx = m_proxyModel->mapFromSource(idx); + tree->setExpanded(idx, true); + expandNodes(childNode); + } + } +} + +void BookmarksDialog::customContextMenuRequested(const QPoint &pos) +{ + QMenu menu; + QModelIndex index = tree->indexAt(pos); + index = index.sibling(index.row(), 0); + if (index.isValid() && !tree->model()->hasChildren(index)) { + menu.addAction(tr("Open"), this, SLOT(open())); + menu.addSeparator(); + } + menu.addAction(tr("Delete"), tree, SLOT(removeOne())); + menu.exec(QCursor::pos()); +} + +void BookmarksDialog::open() +{ + QModelIndex index = tree->currentIndex(); + if (!index.parent().isValid()) + return; + emit openUrl(index.sibling(index.row(), 1).data(BookmarksModel::UrlRole).toUrl()); +} + +void BookmarksDialog::newFolder() +{ + QModelIndex currentIndex = tree->currentIndex(); + QModelIndex idx = currentIndex; + if (idx.isValid() && !idx.model()->hasChildren(idx)) + idx = idx.parent(); + if (!idx.isValid()) + idx = tree->rootIndex(); + idx = m_proxyModel->mapToSource(idx); + BookmarkNode *parent = m_bookmarksManager->bookmarksModel()->node(idx); + BookmarkNode *node = new BookmarkNode(BookmarkNode::Folder); + node->title = tr("New Folder"); + m_bookmarksManager->addBookmark(parent, node, currentIndex.row() + 1); +} + +BookmarksToolBar::BookmarksToolBar(BookmarksModel *model, QWidget *parent) + : QToolBar(tr("Bookmark"), parent) + , m_bookmarksModel(model) +{ + connect(this, SIGNAL(actionTriggered(QAction*)), this, SLOT(triggered(QAction*))); + setRootIndex(model->index(0, 0)); + connect(m_bookmarksModel, SIGNAL(modelReset()), this, SLOT(build())); + connect(m_bookmarksModel, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(build())); + connect(m_bookmarksModel, SIGNAL(rowsRemoved(const QModelIndex &, int, int)), this, SLOT(build())); + connect(m_bookmarksModel, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), this, SLOT(build())); + setAcceptDrops(true); +} + +void BookmarksToolBar::dragEnterEvent(QDragEnterEvent *event) +{ + const QMimeData *mimeData = event->mimeData(); + if (mimeData->hasUrls()) + event->acceptProposedAction(); + QToolBar::dragEnterEvent(event); +} + +void BookmarksToolBar::dropEvent(QDropEvent *event) +{ + const QMimeData *mimeData = event->mimeData(); + if (mimeData->hasUrls() && mimeData->hasText()) { + QList<QUrl> urls = mimeData->urls(); + QAction *action = actionAt(event->pos()); + QString dropText; + if (action) + dropText = action->text(); + int row = -1; + QModelIndex parentIndex = m_root; + for (int i = 0; i < m_bookmarksModel->rowCount(m_root); ++i) { + QModelIndex idx = m_bookmarksModel->index(i, 0, m_root); + QString title = idx.data().toString(); + if (title == dropText) { + row = i; + if (m_bookmarksModel->hasChildren(idx)) { + parentIndex = idx; + row = -1; + } + break; + } + } + BookmarkNode *bookmark = new BookmarkNode(BookmarkNode::Bookmark); + bookmark->url = urls.at(0).toString(); + bookmark->title = mimeData->text(); + + BookmarkNode *parent = m_bookmarksModel->node(parentIndex); + BookmarksManager *bookmarksManager = m_bookmarksModel->bookmarksManager(); + bookmarksManager->addBookmark(parent, bookmark, row); + event->acceptProposedAction(); + } + QToolBar::dropEvent(event); +} + + +void BookmarksToolBar::setRootIndex(const QModelIndex &index) +{ + m_root = index; + build(); +} + +QModelIndex BookmarksToolBar::rootIndex() const +{ + return m_root; +} + +void BookmarksToolBar::build() +{ + clear(); + for (int i = 0; i < m_bookmarksModel->rowCount(m_root); ++i) { + QModelIndex idx = m_bookmarksModel->index(i, 0, m_root); + if (m_bookmarksModel->hasChildren(idx)) { + QToolButton *button = new QToolButton(this); + button->setPopupMode(QToolButton::InstantPopup); + button->setArrowType(Qt::DownArrow); + button->setText(idx.data().toString()); + ModelMenu *menu = new ModelMenu(this); + connect(menu, SIGNAL(activated(const QModelIndex &)), + this, SLOT(activated(const QModelIndex &))); + menu->setModel(m_bookmarksModel); + menu->setRootIndex(idx); + menu->addAction(new QAction(menu)); + button->setMenu(menu); + button->setToolButtonStyle(Qt::ToolButtonTextOnly); + QAction *a = addWidget(button); + a->setText(idx.data().toString()); + } else { + QAction *action = addAction(idx.data().toString()); + action->setData(idx.data(BookmarksModel::UrlRole)); + } + } +} + +void BookmarksToolBar::triggered(QAction *action) +{ + QVariant v = action->data(); + if (v.canConvert<QUrl>()) { + emit openUrl(v.toUrl()); + } +} + +void BookmarksToolBar::activated(const QModelIndex &index) +{ + emit openUrl(index.data(BookmarksModel::UrlRole).toUrl()); +} + |