ctrllibraryframe.cpp

著名的下载软件核心Shareaza

//
// CtrlLibraryFrame.cpp
//
// Copyright (c) Shareaza Development Team, 2002-2004.
// This file is part of SHAREAZA (www.shareaza.com)
//
// Shareaza 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.
//
// Shareaza 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 Shareaza; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#include "StdAfx.h"
#include "Shareaza.h"
#include "Settings.h"
#include "Library.h"
#include "LibraryBuilder.h"
#include "AlbumFolder.h"
#include "SharedFile.h"
#include "QuerySearch.h"
#include "Schema.h"
#include "XML.h"

#include "CtrlLibraryFrame.h"
#include "DlgNewSearch.h"
#include "Skin.h"

#include "CtrlLibraryView.h"
#include "CtrlLibraryCollectionView.h"
#include "CtrlLibraryDetailView.h"
#include "CtrlLibraryThumbView.h"
#include "CtrlLibraryAlbumView.h"
#include "CtrlLibraryTileView.h"
#include "CtrlLibraryHomeView.h"

#include "CtrlLibraryPanel.h"
#include "CtrlLibraryMetaPanel.h"
#include "CtrlLibraryHistoryPanel.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

IMPLEMENT_DYNAMIC(CLibraryFrame, CWnd)

BEGIN_MESSAGE_MAP(CLibraryFrame, CWnd)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_WM_SIZE()
	ON_WM_PAINT()
	ON_WM_LBUTTONDOWN()
	ON_WM_SETCURSOR()
	ON_WM_MOUSEWHEEL()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONUP()
	ON_WM_RBUTTONDOWN()
	ON_WM_TIMER()
	ON_WM_CONTEXTMENU()
	ON_WM_KEYDOWN()
	ON_WM_KEYUP()
	ON_WM_MEASUREITEM()
	ON_COMMAND(ID_LIBRARY_REFRESH, OnLibraryRefresh)
	ON_UPDATE_COMMAND_UI(ID_LIBRARY_TREE_PHYSICAL, OnUpdateLibraryTreePhysical)
	ON_COMMAND(ID_LIBRARY_TREE_PHYSICAL, OnLibraryTreePhysical)
	ON_UPDATE_COMMAND_UI(ID_LIBRARY_TREE_VIRTUAL, OnUpdateLibraryTreeVirtual)
	ON_COMMAND(ID_LIBRARY_TREE_VIRTUAL, OnLibraryTreeVirtual)
	ON_UPDATE_COMMAND_UI(ID_LIBRARY_PANEL, OnUpdateLibraryPanel)
	ON_COMMAND(ID_LIBRARY_PANEL, OnLibraryPanel)
	ON_COMMAND(ID_LIBRARY_SEARCH, OnLibrarySearch)
	ON_COMMAND(ID_LIBRARY_SEARCH_QUICK, OnLibrarySearchQuick)
	ON_NOTIFY(LTN_SELCHANGED, IDC_LIBRARY_TREE, OnTreeSelection)
	ON_CBN_CLOSEUP(AFX_IDW_TOOLBAR, OnFilterTypes)
	ON_BN_CLICKED(AFX_IDW_TOOLBAR, OnToolbarReturn)
	ON_BN_DOUBLECLICKED(AFX_IDW_TOOLBAR, OnToolbarEscape)
	ON_WM_SETFOCUS()
END_MESSAGE_MAP()

#define BAR_HEIGHT		28
#define SPLIT_SIZE		6


/////////////////////////////////////////////////////////////////////////////
// CLibraryFrame construction

CLibraryFrame::CLibraryFrame()
{
	m_pViews.AddTail( new CLibraryDetailView() );
	m_pViews.AddTail( new CLibraryListView() );
	m_pViews.AddTail( new CLibraryIconView() );
	m_pViews.AddTail( new CLibraryThumbView() );
	m_pViews.AddTail( new CLibraryAlbumView() );
	m_pViews.AddTail( new CLibraryTileView() );
	m_pViews.AddTail( new CLibraryHomeView() );
	m_pViews.AddTail( new CLibraryCollectionView() );
	
	m_pPanels.AddTail( new CLibraryMetaPanel() );
	m_pPanels.AddTail( new CLibraryHistoryPanel() );
	
	m_pView			= NULL;
	m_pPanel		= NULL;
	m_nTreeSize		= Settings.Library.TreeSize;
	m_nPanelSize	= Settings.Library.PanelSize;
	m_bPanelShow	= Settings.Library.ShowPanel;
	m_nHeaderSize	= 0;
	m_bUpdating		= FALSE;
	m_bMouseWheel	= FALSE;
	
	m_pDragList		= NULL;
	m_pDragImage	= NULL;
	m_hCursMove		= theApp.LoadCursor( IDC_MOVE );
	m_hCursCopy		= theApp.LoadCursor( IDC_COPY );
}

CLibraryFrame::~CLibraryFrame()
{
	for ( POSITION pos = m_pViews.GetHeadPosition() ; pos ; )
	{
		delete (CLibraryView*)m_pViews.GetNext( pos );
	}
	
	for ( pos = m_pPanels.GetHeadPosition() ; pos ; )
	{
		delete (CLibraryPanel*)m_pPanels.GetNext( pos );
	}
}

/////////////////////////////////////////////////////////////////////////////
// CLibraryFrame system message handlers

BOOL CLibraryFrame::Create(CWnd* pParentWnd) 
{
	CRect rect;
	return CWnd::Create( NULL, _T("CLibraryFrame"),
		WS_CHILD|WS_VISIBLE|WS_TABSTOP, rect, pParentWnd, IDC_LIBRARY_FRAME, NULL );
}

int CLibraryFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if ( CWnd::OnCreate( lpCreateStruct ) == -1 ) return -1;
	
	if ( ! m_wndTreeTop.Create( this, WS_CHILD|WS_VISIBLE|CBRS_NOALIGN, AFX_IDW_TOOLBAR ) ) return -1;
	m_wndTreeTop.SetBarStyle( m_wndTreeTop.GetBarStyle() | CBRS_TOOLTIPS|CBRS_BORDER_BOTTOM );
	m_wndTreeTop.SetOwner( GetOwner() );
	
	if ( ! m_wndTreeBottom.Create( this, WS_CHILD|CBRS_NOALIGN, AFX_IDW_TOOLBAR ) ) return -1;
	m_wndTreeBottom.SetBarStyle( m_wndTreeBottom.GetBarStyle() | CBRS_TOOLTIPS|CBRS_BORDER_TOP );
	m_wndTreeBottom.SetOwner( GetOwner() );
	
	CRect rcTypes( 0, 0, 128, BAR_HEIGHT );
	if ( ! m_wndTreeTypes.Create( WS_CHILD, rcTypes, this, AFX_IDW_TOOLBAR ) ) return -1;
	m_wndTreeTypes.GetWindowRect( &rcTypes );
	m_nTreeTypesHeight = rcTypes.Height();
	
	if ( ! m_wndViewTop.Create( this, WS_CHILD|WS_VISIBLE|CBRS_NOALIGN, AFX_IDW_TOOLBAR ) ) return -1;
	m_wndViewTop.SetBarStyle( m_wndViewTop.GetBarStyle() | CBRS_TOOLTIPS );
	m_wndViewTop.SetOwner( GetOwner() );
	
	if ( ! m_wndViewBottom.Create( this, WS_CHILD|WS_VISIBLE|CBRS_NOALIGN, AFX_IDW_TOOLBAR ) ) return -1;
	m_wndViewBottom.SetBarStyle( m_wndViewBottom.GetBarStyle() | CBRS_TOOLTIPS|CBRS_BORDER_TOP );
	m_wndViewBottom.SetOwner( GetOwner() );
	
	if ( ! m_wndSearch.Create( WS_CHILD|ES_AUTOHSCROLL, rcTypes, &m_wndViewBottom, IDC_SEARCH_BOX ) ) return -1;
	m_wndSearch.SetFont( &theApp.m_gdiFont );
	
	m_wndTree.Create( this );
	m_wndHeader.Create( this );
	m_wndViewTip.Create( this, &Settings.Interface.TipLibrary );
	
	return 0;
}

void CLibraryFrame::OnDestroy() 
{
	CancelDrag();
	
	if ( m_wndViewTip.m_hWnd ) m_wndViewTip.DestroyWindow();
	
	Settings.Library.TreeSize	= m_nTreeSize;
	Settings.Library.PanelSize	= m_nPanelSize;
	Settings.Library.ShowPanel	= m_bPanelShow;
	
	CWnd::OnDestroy();
}

BOOL CLibraryFrame::PreTranslateMessage(MSG* pMsg)
{
	if ( pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_TAB )
	{
		CWnd* pFocus = GetFocus();
		
		if ( pFocus == &m_wndTree && m_pView != NULL )
		{
			m_pView->SetFocus();
			return TRUE;
		}
		else
		{
			m_wndTree.SetFocus();
			return TRUE;
		}
	}
	
	return CWnd::PreTranslateMessage( pMsg );
}

/////////////////////////////////////////////////////////////////////////////
// CLibraryFrame skin change

void CLibraryFrame::OnSkinChange()
{
	m_wndTree.SetVirtual( Settings.Library.ShowVirtual );
	
	Skin.CreateToolBar( _T("CLibraryTree.Top"), &m_wndTreeTop );
	
	if ( Settings.Library.ShowVirtual )
	{
		Skin.CreateToolBar( _T("CLibraryHeaderBar.Virtual"), &m_wndViewTop );
		Skin.CreateToolBar( _T("CLibraryTree.Virtual"), &m_wndTreeBottom );
	}
	else
	{
		Skin.CreateToolBar( _T("CLibraryHeaderBar.Physical"), &m_wndViewTop );
		Skin.CreateToolBar( _T("CLibraryTree.Physical"), &m_wndTreeBottom );
		
		m_wndTreeTypes.SetEmptyString( IDS_LIBRARY_TYPE_FILTER_ALL );
		m_wndTreeTypes.Load( Settings.Library.FilterURI );
	}
	
	m_wndTreeBottom.ShowWindow( Settings.Library.ShowVirtual ? SW_SHOW : SW_HIDE );
	m_wndTreeTypes.ShowWindow( Settings.Library.ShowVirtual ? SW_HIDE : SW_SHOW );
	m_wndHeader.OnSkinChange();
	
	CLibraryView* pView		= m_pView;
	CLibraryPanel* pPanel	= m_pPanel;
	
	SetView( NULL, TRUE, FALSE );
	SetView( pView, TRUE, FALSE );
	SetPanel( pPanel );
}

/////////////////////////////////////////////////////////////////////////////
// CLibraryFrame more system message handlers

BOOL CLibraryFrame::OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo) 
{
	if ( m_wndTreeTop.m_hWnd )
	{
		if ( m_wndTreeTop.OnCmdMsg( nID, nCode, pExtra, pHandlerInfo ) ) return TRUE;
	}
	if ( m_wndTreeBottom.m_hWnd )
	{
		if ( m_wndTreeBottom.OnCmdMsg( nID, nCode, pExtra, pHandlerInfo ) ) return TRUE;
	}
	if ( m_wndViewTop.m_hWnd )
	{
		if ( m_wndViewTop.OnCmdMsg( nID, nCode, pExtra, pHandlerInfo ) ) return TRUE;
	}
	if ( m_wndViewBottom.m_hWnd )
	{
		if ( m_wndViewBottom.OnCmdMsg( nID, nCode, pExtra, pHandlerInfo ) ) return TRUE;
	}
	if ( m_wndTree.m_hWnd )
	{
		if ( m_wndTree.OnCmdMsg( nID, nCode, pExtra, pHandlerInfo ) ) return TRUE;
	}
	if ( m_pView && m_pView->m_hWnd )
	{
		if ( m_pView->OnCmdMsg( nID, nCode, pExtra, pHandlerInfo ) ) return TRUE;
	}
	if ( m_pPanel && m_pPanel->m_hWnd )
	{
		if ( m_pPanel->OnCmdMsg( nID, nCode, pExtra, pHandlerInfo ) ) return TRUE;
	}
	
	return CWnd::OnCmdMsg( nID, nCode, pExtra, pHandlerInfo );
}

void CLibraryFrame::OnSize(UINT nType, int cx, int cy) 
{
	if ( nType != 1982 ) CWnd::OnSize( nType, cx, cy );
	
	CRect rc;
	GetClientRect( &rc );
	
	if ( rc.Width() < 32 || rc.Height() < 32 ) return;
	
	if ( rc.Width() < m_nTreeSize + SPLIT_SIZE )
	{
		m_nTreeSize = max( 0, rc.Width() - SPLIT_SIZE );
	}
	if ( rc.Height() - BAR_HEIGHT * 2 - m_nHeaderSize < m_nPanelSize + SPLIT_SIZE )
	{
		m_nPanelSize = max( 0, rc.Height() - BAR_HEIGHT * 2 - m_nHeaderSize - SPLIT_SIZE );
	}

	HDWP hDWP = BeginDeferWindowPos(
		6 + ( m_pView != NULL ) + ( m_pPanel != NULL ) + ( m_nHeaderSize > 0 ) );
	
	DeferWindowPos( hDWP, m_wndTreeTop.GetSafeHwnd(), NULL,
		rc.left, rc.top, m_nTreeSize, BAR_HEIGHT, SWP_NOZORDER );
	
	DeferWindowPos( hDWP, m_wndTreeBottom.GetSafeHwnd(), NULL,
		rc.left, rc.bottom - BAR_HEIGHT, m_nTreeSize, BAR_HEIGHT, SWP_NOZORDER );
	
	DeferWindowPos( hDWP, m_wndTreeTypes.GetSafeHwnd(), NULL,
		rc.left, rc.bottom - m_nTreeTypesHeight, m_nTreeSize, 256, SWP_NOZORDER );
	
	DeferWindowPos( hDWP, m_wndViewTop.GetSafeHwnd(), NULL,
		rc.left + m_nTreeSize + SPLIT_SIZE, rc.top,
		rc.Width() - m_nTreeSize - SPLIT_SIZE, BAR_HEIGHT - 1, SWP_NOZORDER );

	DeferWindowPos( hDWP, m_wndViewBottom.GetSafeHwnd(), NULL,
		rc.left + m_nTreeSize + SPLIT_SIZE, rc.bottom - BAR_HEIGHT,
		rc.Width() - m_nTreeSize - SPLIT_SIZE, BAR_HEIGHT, SWP_NOZORDER );

	DeferWindowPos( hDWP, m_wndTree.GetSafeHwnd(), NULL,
		rc.left, rc.top + BAR_HEIGHT, m_nTreeSize, rc.Height() - BAR_HEIGHT * 2, SWP_NOZORDER );

	if ( m_pView != NULL )
	{
		int nTop = rc.top + BAR_HEIGHT - 1;
		
		if ( m_nHeaderSize > 0 )
		{
			DeferWindowPos( hDWP, m_wndHeader.GetSafeHwnd(), NULL,
				rc.left + m_nTreeSize + SPLIT_SIZE, nTop,
				rc.Width() - m_nTreeSize - SPLIT_SIZE, m_nHeaderSize,
				SWP_NOZORDER|SWP_SHOWWINDOW );
			nTop += m_nHeaderSize + 1;
		}

		int nHeight = rc.bottom - BAR_HEIGHT - nTop;
		if ( m_pPanel ) nHeight -= m_nPanelSize + SPLIT_SIZE;

		DeferWindowPos( hDWP, m_pView->GetSafeHwnd(), NULL,
			rc.left + m_nTreeSize + SPLIT_SIZE, nTop,
			rc.Width() - m_nTreeSize - SPLIT_SIZE, nHeight, SWP_NOZORDER|SWP_SHOWWINDOW );
	}

	if ( m_pPanel != NULL )
	{
		DeferWindowPos( hDWP, m_pPanel->GetSafeHwnd(), NULL,
			rc.left + m_nTreeSize + SPLIT_SIZE, rc.bottom - BAR_HEIGHT - m_nPanelSize,
			rc.Width() - m_nTreeSize - SPLIT_SIZE, m_nPanelSize, SWP_NOZORDER|SWP_SHOWWINDOW );
	}

	EndDeferWindowPos( hDWP );
}

void CLibraryFrame::OnPaint() 
{
	CPaintDC dc( this );
	CRect rcClient, rc;

	GetClientRect( &rcClient );
	
	rc.SetRect(	rcClient.left + m_nTreeSize,
				rcClient.top,
				rcClient.left + m_nTreeSize + SPLIT_SIZE,
				rcClient.bottom );

	dc.FillSolidRect( rc.left, rc.top, 1, rc.Height(), GetSysColor( COLOR_BTNFACE ) );
	dc.FillSolidRect( rc.left + 1, rc.top, 1, rc.Height(), GetSysColor( COLOR_3DHIGHLIGHT ) );
	dc.FillSolidRect( rc.right - 1, rc.top, 1, rc.Height(), GetSysColor( COLOR_3DSHADOW ) );
	dc.FillSolidRect( rc.left + 2, rc.top, rc.Width() - 3, rc.Height(),
		GetSysColor( COLOR_BTNFACE ) );
	
	if ( m_nHeaderSize > 0 )
	{
		dc.FillSolidRect( rc.right, rcClient.top + BAR_HEIGHT - 1 + m_nHeaderSize,
			rcClient.right - rc.right, 1, GetSysColor( COLOR_3DHIGHLIGHT ) );
	}
	
	if ( Settings.Library.ShowVirtual == FALSE )
	{
		rc.SetRect( rcClient.left, rcClient.bottom - BAR_HEIGHT,
			rcClient.left + m_nTreeSize, rcClient.bottom - m_nTreeTypesHeight );
		dc.FillSolidRect( rc.left, rc.top, rc.Width(), 1, GetSysColor( COLOR_3DSHADOW ) );
		dc.FillSolidRect( rc.left, rc.top + 1, rc.Width(), 1, GetSysColor( COLOR_3DHIGHLIGHT ) );
		dc.FillSolidRect( rc.left, rc.top + 2, rc.Width(), rc.Height() - 2, GetSysColor( COLOR_BTNFACE ) );
	}

	if ( m_pPanel != NULL )
	{
		rc.SetRect(	rcClient.left + m_nTreeSize + SPLIT_SIZE,
					rcClient.bottom - BAR_HEIGHT - m_nPanelSize - SPLIT_SIZE,
					rcClient.right,
					rcClient.bottom - BAR_HEIGHT - m_nPanelSize );

		dc.FillSolidRect( rc.left, rc.top, rc.Width(), 1, GetSysColor( COLOR_BTNFACE ) );
		dc.FillSolidRect( rc.left, rc.top + 1, rc.Width(), 1, GetSysColor( COLOR_3DHIGHLIGHT ) );
		dc.FillSolidRect( rc.left, rc.bottom - 1, rc.Width(), 1, GetSysColor( COLOR_3DSHADOW ) );