зеркало из https://github.com/mozilla/pjs.git
318 строки
9.2 KiB
C++
318 строки
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=4 et :
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Oleg Romashin <romaxa@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <QWidget>
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#include "nsMFilePicker.h"
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// Use Qt Tracker API to get attachment data from tracker:
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#include <QtSparql/QSparqlConnection>
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#include <QtSparql/QSparqlQuery>
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#include <QtSparql/QSparqlResult>
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#include <MApplication>
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#include <MApplicationPage>
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#include <MApplicationWindow>
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#include <MSceneManager>
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#include <QFileInfo>
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#include <QPointer>
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#include <SelectSingleContentItemPage.h>
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#include <SelectMultipleContentItemsPage.h>
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MeegoFileDialog::MeegoFileDialog(QObject* aParent)
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: QObject(aParent)
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, mMode(Mode_Unknown)
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{
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}
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MeegoFileDialog::~MeegoFileDialog()
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{
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}
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int
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MeegoFileDialog::exec()
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{
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MApplicationPage* page = NULL;
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switch(mMode) {
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case Mode_OpenFile:
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page = createOpenFilePage();
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break;
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case Mode_OpenFiles:
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page = createOpenFilesPage();
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break;
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case Mode_OpenDirectory:
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page = createOpenDirectoryPage();
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break;
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default:
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return 0;
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}
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page->setTitle(mCaption);
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QPointer<MApplicationWindow> appWindow = new MApplicationWindow(MApplication::activeWindow());
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QObject::connect(MApplication::activeWindow(), SIGNAL(switcherEntered()), this, SLOT(backButtonClicked()));
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appWindow->show();
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// a not so pretty Hack to build up a back button
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// by using a empty scene window for a pseudo history stack
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MSceneWindow* fakeWindow = new MSceneWindow();
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// tell fake window to disappear when page back was clicked.
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connect(page, SIGNAL(backButtonClicked()), fakeWindow, SLOT(disappear()));
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// let new page appear on pseudo Application Window
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appWindow->sceneManager()->appearSceneWindowNow(page);
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// get, manipulate and set history stack
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QList<MSceneWindow*> sceneWindowHistory = appWindow->sceneManager()->pageHistory();
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sceneWindowHistory.insert(0, fakeWindow);
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appWindow->sceneManager()->setPageHistory(sceneWindowHistory);
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// start own eventloop
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QEventLoop eventLoop;
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mEventLoop = &eventLoop;
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QPointer<MeegoFileDialog> guard = this;
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(void) eventLoop.exec(QEventLoop::DialogExec);
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if (guard.isNull()) {
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return 0;
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}
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if (page) {
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page->disappear();
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delete page;
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}
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if (appWindow) {
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delete appWindow;
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}
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mEventLoop = 0;
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return 0;
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}
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MApplicationPage*
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MeegoFileDialog::createOpenFilePage()
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{
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QStringList itemType("http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#FileDataObject");
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SelectSingleContentItemPage* page =
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new SelectSingleContentItemPage(QString(),
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itemType);
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connect(page, SIGNAL(contentItemSelected(const QString&)),
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this, SLOT (contentItemSelected(const QString&)));
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connect(page, SIGNAL(backButtonClicked()),
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this, SLOT (backButtonClicked()));
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return page;
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}
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MApplicationPage*
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MeegoFileDialog::createOpenFilesPage()
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{
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QStringList itemType("http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#Folder");
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SelectMultipleContentItemsPage* page = new SelectMultipleContentItemsPage(QString(), itemType);
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connect(page, SIGNAL(contentItemsSelected(const QStringList&)),
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this, SLOT (contentItemsSelected(const QStringList&)));
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connect(page, SIGNAL(backButtonClicked()),
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this, SLOT (backButtonClicked()));
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return page;
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}
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MApplicationPage*
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MeegoFileDialog::createOpenDirectoryPage()
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{
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QStringList itemType("http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#Folder");
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SelectSingleContentItemPage* page = new SelectSingleContentItemPage(QString(), itemType);
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connect(page, SIGNAL(contentItemSelected(const QString&)),
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this, SLOT (contentItemSelected(const QString&)));
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connect(page, SIGNAL(backButtonClicked()),
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this, SLOT (backButtonClicked()));
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return page;
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}
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QStringList
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MeegoFileDialog::selectedFileNames() const
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{
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return mSelectedFileNames;
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}
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bool
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MeegoFileDialog::hasSelectedFileNames() const
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{
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return !mSelectedFileNames.isEmpty();
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}
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void
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MeegoFileDialog::contentItemSelected(const QString& aContentItem)
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{
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mSelectedFileNames.clear();
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if (aContentItem.isEmpty()) {
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finishEventLoop();
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return;
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}
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QUrl fileUrl = trackerIdToFilename(aContentItem);
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QFileInfo fileInfo(fileUrl.toLocalFile());
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if (fileInfo.isFile()) {
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mSelectedFileNames << fileInfo.canonicalFilePath();
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}
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finishEventLoop();
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}
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void
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MeegoFileDialog::contentItemsSelected(const QStringList& aContentItems)
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{
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mSelectedFileNames.clear();
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foreach (QString contentItem, aContentItems) {
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QUrl fileUrl = trackerIdToFilename(contentItem);
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QFileInfo fileInfo(fileUrl.toLocalFile());
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if (fileInfo.isFile()) {
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mSelectedFileNames << fileInfo.canonicalFilePath();
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}
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}
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finishEventLoop();
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}
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void
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MeegoFileDialog::backButtonClicked()
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{
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mSelectedFileNames.clear();
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finishEventLoop();
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}
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/* static */ QString
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MeegoFileDialog::getOpenFileName(QWidget* parent,
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const QString& caption,
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const QString& dir,
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const QString& filter)
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{
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QPointer<MeegoFileDialog> picker = new MeegoFileDialog(parent);
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QString result;
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picker->mMode = MeegoFileDialog::Mode_OpenFile;
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picker->mCaption = caption;
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picker->exec();
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// Need separate 'if' because picker might have been destroyed by its parent during exec()
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if (picker) {
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if (picker->hasSelectedFileNames()) {
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result = picker->selectedFileNames().first();
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}
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delete picker;
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}
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return result;
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}
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/* static */ QString
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MeegoFileDialog::getExistingDirectory(QWidget* parent,const QString& caption, const QString& dir)
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{
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QPointer<MeegoFileDialog> picker = new MeegoFileDialog(parent);
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QString result;
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picker->mMode = MeegoFileDialog::Mode_OpenDirectory;
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picker->mCaption = caption;
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picker->exec();
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// Need separate 'if' because picker might have been destroyed by its parent during exec()
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if (picker) {
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if (picker->hasSelectedFileNames()) {
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result = picker->selectedFileNames().first();
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}
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delete picker;
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}
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return result;
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}
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/* static */ QStringList
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MeegoFileDialog::getOpenFileNames(QWidget* parent,
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const QString& caption,
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const QString& dir,
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const QString& filter)
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{
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QPointer<MeegoFileDialog> picker = new MeegoFileDialog(parent);
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QStringList result;
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picker->mMode = MeegoFileDialog::Mode_OpenFiles;
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picker->mCaption = caption;
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picker->exec();
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// Need separate 'if' because picker might have been destroyed by its parent during exec()
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if (picker) {
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if (picker->hasSelectedFileNames()) {
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result = picker->selectedFileNames();
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}
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delete picker;
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}
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return result;
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}
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QUrl
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MeegoFileDialog::trackerIdToFilename(const QString& trackerId)
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{
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QSparqlQuery query("SELECT ?u WHERE { ?:tUri nie:url ?u . }");
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query.bindValue("tUri", QUrl(trackerId)); // That puts <trackerId> into the query
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QSparqlConnection connection("QTRACKER"); // Exact string needed to make connection to tracker
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QSparqlResult* result = connection.exec(query);
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result->waitForFinished();
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result->first();
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QUrl resultFile;
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if (result->isValid()) {
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resultFile = QUrl(result->binding(0).value().toString());
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}
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delete result;
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return resultFile;
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}
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