dgetmainwin.cpp

dget是一个基于Linux平台的多线程下载工具, 采用C++开发。主要支持FTP, HTTP, MMS, RTSP协议下载, 目前为止主要实现了FTP, HTTP, MMS,RTSP协议的多线程下载

    editStartAction->addTo( Toolbar );
    editStopAction->addTo( Toolbar );
    editRestartAction->addTo( Toolbar );
	editResumeAction->addTo( Toolbar );
	Toolbar->addSeparator();
	editRemoveAction->addTo( Toolbar );
    fileExitAction->addTo( Toolbar );

    // menubar
    MenuBar = new QMenuBar( this, "MenuBar" );
    fileMenu = new QPopupMenu( this );
    fileNewUrlAction->addTo( fileMenu );
    filePrefAction->addTo( fileMenu );
    fileMenu->insertSeparator();
    fileExitAction->addTo( fileMenu );
    MenuBar->insertItem( QString(""), fileMenu, 1 );

    editMenu = new QPopupMenu( this );
    editStartAction->addTo( editMenu );
    editStopAction->addTo( editMenu );
    editMenu->insertSeparator();
    editRestartAction->addTo( editMenu );
    editResumeAction->addTo( editMenu );
    editMenu->insertSeparator();
   	editRemoveAction->addTo( editMenu );
	MenuBar->insertItem( QString(""), editMenu, 2 );

    helpMenu = new QPopupMenu( this );
    helpContentsAction->addTo( helpMenu );
    helpIndexAction->addTo( helpMenu );
    helpMenu->insertSeparator();
    helpAboutAction->addTo( helpMenu );
    MenuBar->insertItem( QString(""), helpMenu, 3 );
	


    languageChange();
    resize( QSize(705, 448).expandedTo(minimumSizeHint()) );
    clearWState( WState_Polished );
    
    lvs = new ListViews(this, "MyView");
    lvs->resize( 640, 480 );
    lvs->setCaption( "Task Manager" );
	lvs->contextmenu->insertItem( tr("NewTask"), this, SLOT( fileNewUrl()) );
    lvs->contextmenu->insertItem( tr("Start"), this, SLOT( dlStart()) );
    lvs->contextmenu->insertItem( tr("Stop"), this, SLOT( dlStop() ) );
    lvs->contextmenu->insertItem( tr("Restart"), this, SLOT( dlRestart() ) );
    lvs->contextmenu->insertItem( tr("Resume"), this, SLOT( dlResume() ) );
    lvs->contextmenu->insertItem( tr("Remove"), this, SLOT( dlRemove() ) );

	setCentralWidget(lvs);

	msg = new QLabel( statusBar(), tr("message") );
    msg->setAlignment( AlignCenter );
    QFont boldfont;
	boldfont.setWeight(QFont::Bold);
    msg->setFont( boldfont );
    statusBar()->addWidget( msg, 4);
//    prog = new QProgressBar( statusBar(), "progress" );
//    prog->setTotalSteps( 100 );
//    progress = 80;
//    prog->setProgress( progress );
//    statusBar()->addWidget( prog , 1 );
    statusBar()->message( tr("Welcome to dget"), 1000 );
	
///////Create TaskManager////	
	TaskMgr = new TTaskManager();

/////////////////////////////

//	gbltimer = new QTimer( this );
//	connect( gbltimer, SIGNAL(timeout()), this, SLOT( TimeTick() ) );
//	gbltimer->start( 2500, FALSE );

	
	// signals and slots connections
    connect( fileNewUrlAction, SIGNAL( activated() ), this, SLOT( fileNewUrl() ) );
    connect( filePrefAction, SIGNAL( activated() ), this, SLOT( filePref() ) );
    connect( fileExitAction, SIGNAL( activated() ), qApp, SLOT( quit() ) );
	
    connect( editStartAction, SIGNAL( activated() ), this, SLOT( dlStart() ) );
    connect( editStopAction, SIGNAL( activated() ), this, SLOT( dlStop() ) );
    connect( editRestartAction, SIGNAL( activated() ), this, SLOT( dlRestart() ) );
    connect( editResumeAction, SIGNAL( activated() ), this, SLOT( dlResume() ) );
    connect( editRemoveAction, SIGNAL( activated() ), this, SLOT( dlRemove() ) );
    
	connect( helpIndexAction, SIGNAL( activated() ), this, SLOT( helpIndex() ) );
    connect( helpContentsAction, SIGNAL( activated() ), this, SLOT( helpContents() ) );
    connect( helpAboutAction, SIGNAL( activated() ), this, SLOT( helpAbout() ) );
      
}

/*
 *  Destroys the object and frees any allocated resources
 */
FrmMainWin::~FrmMainWin()
{
    // no need to delete child widgets, Qt does it all for us
}

/*
 *  Sets the strings of the subwidgets using the current
 *  language.
 */
void FrmMainWin::languageChange()
{
    setCaption( tr( "dget" ) );
    fileNewUrlAction->setText( tr( "NewTask" ) );
    fileNewUrlAction->setMenuText( tr( "NewTask" ) );

	filePrefAction->setText( tr( "Preference" ) );
    filePrefAction->setMenuText( tr( "Preference" ) );

	fileExitAction->setText( tr( "Exit" ) );
    fileExitAction->setMenuText( tr( "Exit" ) );

    editStartAction->setText( tr( "Start" ) );
    editStartAction->setMenuText( tr( "Start" ) );

	editStopAction->setText( tr( "Stop" ) );
    editStopAction->setMenuText( tr( "Stop" ) );

	editRestartAction->setText( tr( "Restart" ) );
    editRestartAction->setMenuText( tr( "Restart" ) );
	
	editResumeAction->setText( tr( "Resume" ) );
    editResumeAction->setMenuText( tr( "Resume" ) );

	editRemoveAction->setText( tr( "Remove" ) );
    editRemoveAction->setMenuText( tr( "Remove" ) );

	helpContentsAction->setText( tr( "Contents" ) );
    helpContentsAction->setMenuText( tr( "Contents..." ) );

	helpIndexAction->setText( tr( "Index" ) );
    helpIndexAction->setMenuText( tr( "Index" ) );

	helpAboutAction->setText( tr( "About" ) );
    helpAboutAction->setMenuText( tr( "About" ) );

	Toolbar->setLabel( tr( "Toolbar" ) );
    if (MenuBar->findItem(1))
        MenuBar->findItem(1)->setText( tr( "File" ) );
    if (MenuBar->findItem(2))
        MenuBar->findItem(2)->setText( tr( "Task" ) );
    if (MenuBar->findItem(3))
        MenuBar->findItem(3)->setText( tr( "Help" ) );
		
}

void FrmMainWin::fileNewUrl()
{
	char buf[128];
	QString str;
	
	frmNewUrl * newurl = new frmNewUrl;
	
	str = "http://www.kernel.org/pub/linux/kernel/v1.0/linux-1.0.tar.gz";

	newurl->edtUrl->setText(str);
	newurl->edtDir->setText(getcwd(buf, 128));
	
	if(newurl->exec() == QDialog::Accepted)
	{		
		update();
		str = newurl->edtUrl->text();
		if(str.isEmpty())
			return;
			
			
		QApplication::setOverrideCursor( QCursor(Qt::WaitCursor) );
		int ret = NewTask( str, newurl->edtDir->text());
		if ( ret == -1 )
			ShowMsgx("Target File Exist");
			
	}
	delete newurl;
	
}

void FrmMainWin::filePref()
{
	TabDialog tabPref( 0, "tabdialog", QString("dget Preference"));
    tabPref.resize( 450, 350 );
    tabPref.setCaption( "Preference Dialog" );
	if(tabPref.exec() == QDialog::Accepted)
	{
		//msg->setText("AAA");
	}
	else
	{
		//msg->setText("BBB" );
	}
}

void FrmMainWin::fileExit()
{	
	// a litter problem
	TaskMgr->TerminateAllTask();
	TaskMgr->ClearAllTask();
    qApp->quit();
}

void FrmMainWin::dlStart()
{
 	QWidget * w = lvs->GetCurrentTabPage();
	QString str = lvs->tmTabWidget->tabLabel(w);
	TTask * tsk = TaskMgr->GetTaskByName(str.latin1());
	
	if(tsk != NULL)
	{
		if(tsk->GetTaskStatus() == RUNNING)
		{
			ShowMsgx("This Task is RUNNING");
			return;
		}
		
		if(tsk->GetTaskStatus() == STOP)
		{
			TaskMgr->ScheduleTask(tsk);
		}
	}
}

void FrmMainWin::dlStop()
{
	QWidget * w = lvs->GetCurrentTabPage();
	QString str = lvs->tmTabWidget->tabLabel(w);
	TTask * tsk = TaskMgr->GetTaskByName(str.latin1());
	if(tsk != NULL)
	{
		if(tsk->GetTaskStatus() == RUNNING)
		{
			TaskMgr->StopTask(tsk);	
			tsk->SetTaskStatus(STOP);	
		}
		else
			return;
	}
}

void FrmMainWin::dlRestart()
{
 	QWidget * w = lvs->GetCurrentTabPage();
	QString str = lvs->tmTabWidget->tabLabel(w);
	TTask * tsk = TaskMgr->GetTaskByName(str.latin1());
	if(tsk != NULL)
	{
		if(tsk->GetTaskStatus() == RUNNING)
		{
			TaskMgr->StopTask(tsk);	
			tsk->SetTaskStatus(STOP);
			TaskMgr->ScheduleTask(tsk);	
		}
		if(tsk->GetTaskStatus() == STOP)
		{
			TaskMgr->ScheduleTask(tsk);
		}
	}
}

void FrmMainWin::dlResume()
{	
 	QWidget * w = lvs->GetCurrentTabPage();
	QString str = lvs->tmTabWidget->tabLabel(w);
	TTask * tsk = TaskMgr->GetTaskByName(str.latin1());
	if(tsk != NULL)
	{
		TaskMgr->StopTask(tsk);
		tsk->SetTaskStatus(STOP);	
		TaskMgr->ScheduleTask(tsk);	
	}
}

void FrmMainWin :: TimeTick(void)
{
	ShowMsgx("This Task has not Finshed");

	if( TaskMgr->IsEmptyTskQue() == TRUE)
		return;	
	for( TTask * tsk = TaskMgr->FirstTsk(); tsk; TaskMgr->NextTsk())
	{
		if(tsk->GetTaskStatus() == FINISHED )
			TaskMgr->DeleteTask(tsk);			
	}

}

void FrmMainWin::dlRemove()
{
			
	QString s1 = tr("OldTaskBox");
	QString s2 = tr("NewTaskBox");
	
	Folder * item1 = lvs->GetFolderByName(s1);
	Folder * item2 = lvs->GetFolderByName(s2);
			
	QWidget * w = lvs->GetCurrentTabPage();
	QString str = lvs->tmTabWidget->tabLabel(w);
	TTask * tsk = TaskMgr->GetTaskByName(str.latin1());
		
	QListViewItem * j = lvs->folders->findItem ( s2, 0);
	
	if ( !j )
		return;
    if ( !j->isSelected() ) 
		return;
	
	QListViewItem *i = lvs->messages->currentItem();
	Message * CurMsg = lvs->GetCurrentMsg();
		
	if ( !i )
		return;

    if ( !i->isSelected() ) 
		return;
		
	if(tsk != NULL)
	{
		if(TaskMgr->QueryTaskStatus(tsk) == FINISHED)
		{
			lvs->messages->takeItem(i);
			lvs->tmTabWidget->removePage(w);
			tsk->SetTaskStatus(DEAD);
			TaskMgr->DeleteTask(tsk);
			item1->addMessage(CurMsg);
			item2->delMessage(CurMsg);
		}
	}
	else
	{
		ShowMsgx("This Task has not Finshed");
	}

}

void FrmMainWin::helpIndex()
{
    msg->setText("helpIndex(): Not implemented yet" );
}

void FrmMainWin::helpContents()
{
    msg->setText("helpContents(): Not implemented yet" );
}

void FrmMainWin::helpAbout()
{
	QMessageBox::about( this, "About <Application>",
			"dget is a multi-thread download tool based on linux platform," 
			"The Max Thread number limits to 10.\n"
        	"dget 0.2v with QT by balancesli.  "
        	"<[e-mail]>\n"
        	"http://www.a2z.org.cn/\n"
			"http://sourceforge.net/projects/dget\n" );
}