WelcomeWidget.h

/* Copyright (c) 2011 Telemidia/PUC-Rio.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Telemidia/PUC-Rio - initial API and implementation
 */
#ifndef WELCOMEWIDGET_H
#define WELCOMEWIDGET_H

#include <QObject>
#include <QDebug>
#include <QEvent>
#include <QWidget>
#include <QTableWidget>
#include <QListWidgetItem>
#include <QProgressDialog>
#include <QFileDialog>

#include <QXmlStreamReader>
#include <QtNetwork>
#include <QUrl>
#include <QDesktopServices>
#include <QMessageBox>

#ifdef WITH_CLUBNCL
#include <quazip/quazip.h>
#include <quazip/quazipfile.h>
#endif

#define NCL_CLUB_URL "http://club.ncl.org.br/rss.xml"
#define MAX_RECENT_PROJECTS 6

namespace Ui{
class WelcomeWidget;
}

namespace composer {
namespace gui {

/* FROM:
http://www.streamreader.org/stackoverflow/questions/2480773/qt-styling-qtabwidget
*/
// Sets the style sheet of the QTabWidget to expand the tabs.
static void expandingTabsStyleSheet(QTabWidget *tw)
{
  tw->setStyleSheet(QString("QTabBar::tab { width: %1px;} ")
                    .arg(tw->size().width()/tw->count() - 20));
}

class ResizeFilter : public QObject
{
  QTabWidget *target;
public:
  ResizeFilter(QTabWidget *target) : QObject(target), target(target) {}

  bool eventFilter(QObject */*object*/, QEvent *event)
  {
    if (event->type() == QEvent::Resize)
      expandingTabsStyleSheet(target);
    return false;
  }
};
/************************************************************************/

class WelcomeWidget: public QWidget {
  Q_OBJECT

public:
  WelcomeWidget(QWidget *parent = 0);
  virtual ~WelcomeWidget();

private slots:
  void on_commandLinkButton_29_clicked();
  void on_commandLinkButton_6_clicked();
  // void on_commandLinkButton_9_clicked();
  // void on_commandLinkButton_30_clicked();
  void on_commandLinkButton_10_clicked();
  void on_commandLinkButton_11_clicked();
  void on_commandLinkButton_31_clicked();
  void on_commandLinkButton_7_clicked();
  void on_commandLinkButton_8_clicked();

private:
  int connectionId;
  QHttp http;
  QXmlStreamReader xmlReader;

  Ui::WelcomeWidget *ui;
  int n_items;

  void loadRSS();
  void parseXml();

  //TODO: Create a class to handle individual RSS items
  QVector <QString> description;
  QVector <QString> imgSrc;
  QVector <QString> downloadUrl;
  bool isImageEnclosure;

  QString currentTag, currentLink, currentTitle, currentDate, currentDesc,
  currentImg, currentDownloadUrl;

/* Loading Notify Messages */
  QHttp httpNotifyMessages;
  void updateNotifyMessages();

private slots:
  void notifyMessagesReadData(const QHttpResponseHeader &);
/* END Notify loading messages */

#ifdef WITH_CLUBENCL
private:
  /* \todo NCL Club download Application (this must be a separated class). */
  QProgressDialog *progressDialog;
  QUrl url;
  QNetworkAccessManager qnam;
  QNetworkReply *reply;
  bool httpRequestAborted;
  QFile *file;
  int httpGetId;
  int currentNCLClubItem;
  int currentFile;
  QuaZip zip;
  QuaZipFile zipFile;
  QString fileNameToImport;
  QString projectName;
  bool isDownloading;

  void downloadFile();
  void startRequest(const QUrl &url);
  bool extract( const QString & filePath,
                const QString & extDirPath,
                const QString & singleFileName = QString(""));

private slots:
  void httpFinished();
  void httpReadyRead();
  void updateDataReadProgress(qint64 bytesRead, qint64 totalBytes);
  void cancelDownload();

  /* END NCL Club download Application */

private slots:
  void changeCurrentItem(int item);

  void readData(const QHttpResponseHeader &resp);
  void finishRSSLoad(int, bool);
  void downloadApplication();


  bool doExtractCurrentFile( QString extDirPath,
                             QString singleFileName,
                             bool stop);

signals:
  void extractNextFile( QString extDirPath,
                        QString singleFileName,
                        bool stop);
#endif

private slots:
  void on_commandLinkButton_pressed();
  void on_commandLinkButton_2_pressed();


signals:
  void userPressedOpenProject();

  void userPressedNewProject();

  void userPressedSeeInstalledPlugins();

  void userPressedRecentProject(QString project);

private slots:
  void sendRecentProjectClicked();

  void on_commandLinkButton_3_pressed();

public slots:
  void updateRecentProjects(QStringList recentProjects);
};

} }
#endif // WELCOMEWIDGET_H