// $Id$
//
// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License. 
// 
// The Original Code is the Berkeley Open Infrastructure for Network Computing. 
// 
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved. 
// 
// Contributor(s):
//
// Revision History:
//
// $Log$
// Revision 1.21  2004/09/24 02:01:48  rwalton
// *** empty log message ***
//
// Revision 1.20  2004/09/22 21:53:03  rwalton
// *** empty log message ***
//
// Revision 1.19  2004/09/21 01:26:23  rwalton
// *** empty log message ***
//
// Revision 1.18  2004/08/11 23:52:12  rwalton
// *** empty log message ***
//
// Revision 1.17  2004/07/13 05:56:01  rwalton
// Hooked up the Project and Work tab for the new GUI.
//
// Revision 1.16  2004/05/29 06:58:47  rwalton
// *** empty log message ***
//
// Revision 1.15  2004/05/29 06:39:27  rwalton
// *** empty log message ***
//
// Revision 1.14  2004/05/29 00:09:40  rwalton
// *** empty log message ***
//
// Revision 1.13  2004/05/27 06:17:57  rwalton
// *** empty log message ***
//
// Revision 1.12  2004/05/24 23:50:14  rwalton
// *** empty log message ***
//
// Revision 1.11  2004/05/22 01:36:36  rwalton
// *** empty log message ***
//
// Revision 1.10  2004/05/21 06:27:15  rwalton
// *** empty log message ***
//
// Revision 1.9  2004/05/17 22:15:09  rwalton
// *** empty log message ***
//
//

#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "MainFrame.h"
#endif

#include "stdwx.h"
#include "BOINCGUIApp.h"
#include "MainFrame.h"
#include "Events.h"
#include "BOINCBaseView.h"
#include "ViewProjects.h"
#include "ViewWork.h"
#include "ViewTransfers.h"
#include "ViewMessages.h"
#include "ViewResources.h"
#include "DlgAbout.h"
#include "DlgOptions.h"

#include "res/BOINCGUIApp.xpm"


IMPLEMENT_DYNAMIC_CLASS(CMainFrame, wxFrame)

BEGIN_EVENT_TABLE (CMainFrame, wxFrame)
    EVT_CLOSE(CMainFrame::OnClose)
    EVT_TIMER(ID_FRAMERENDERTIMER, CMainFrame::OnFrameRender)
    EVT_MENU(wxID_EXIT, CMainFrame::OnExit)
    EVT_MENU(ID_TOOLSOPTIONS, CMainFrame::OnToolsOptions)
    EVT_MENU(wxID_ABOUT, CMainFrame::OnAbout)
END_EVENT_TABLE ()

CMainFrame::CMainFrame()
{
}


CMainFrame::CMainFrame(wxString strTitle) : 
    wxFrame ((wxFrame *)NULL, -1, strTitle, wxDefaultPosition, wxDefaultSize,
             wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
{
    m_pMenubar = NULL;
    m_pNotebook = NULL;
    m_pStatusbar = NULL;


    SetIcon(wxICON(APP_ICON));


    wxCHECK_RET(CreateMenu(), _T("Failed to create menu bar."));
    wxCHECK_RET(CreateNotebook(), _T("Failed to create notebook."));
    wxCHECK_RET(CreateStatusbar(), _T("Failed to create status bar."));


    m_pFrameRenderTimer = new wxTimer(this, ID_FRAMERENDERTIMER);
    wxASSERT(NULL != m_pFrameRenderTimer);

    m_pFrameRenderTimer->Start(1000);       // Send event every 5 seconds


    RestoreState();
}


CMainFrame::~CMainFrame()
{
    wxASSERT(NULL != m_pFrameRenderTimer);
    wxASSERT(NULL != m_pMenubar);
    wxASSERT(NULL != m_pNotebook);
    wxASSERT(NULL != m_pStatusbar);


    SaveState();


    if (m_pFrameRenderTimer) {
        m_pFrameRenderTimer->Stop();
        delete m_pFrameRenderTimer;
    }

    if (m_pStatusbar)
        wxCHECK_RET(DeleteStatusbar(), _T("Failed to delete status bar."));

    if (m_pNotebook)
        wxCHECK_RET(DeleteNotebook(), _T("Failed to delete notebook."));

    if (m_pMenubar)
        wxCHECK_RET(DeleteMenu(), _T("Failed to delete menu bar."));
}


bool CMainFrame::CreateMenu()
{
    // File menu
    wxMenu *menuFile = new wxMenu;
    menuFile->Append(wxID_EXIT, _("E&xit"));

    // Tools menu
    wxMenu *menuTools = new wxMenu;
    menuTools->Append(ID_TOOLSOPTIONS, _("&Options"));

    // Help menu
    wxMenu *menuHelp = new wxMenu;
    menuHelp->Append(wxID_ABOUT, _("&About BOINC..."));

    // construct menu
    m_pMenubar = new wxMenuBar;
    m_pMenubar->Append(menuFile,      _("&File"));
    m_pMenubar->Append(menuTools,     _("&Tools"));
    m_pMenubar->Append(menuHelp,      _("&Help"));
    SetMenuBar(m_pMenubar);

    return true;
}


bool CMainFrame::CreateNotebook()
{
    // create frame panel
    wxPanel *pPanel = new wxPanel(this, -1, wxDefaultPosition, wxDefaultSize,
                                 wxTAB_TRAVERSAL|wxCLIP_CHILDREN|wxNO_BORDER);

    // initialize notebook
    m_pNotebook = new wxNotebook(pPanel, -1, wxDefaultPosition, wxDefaultSize,
                                wxNB_FIXEDWIDTH|wxCLIP_CHILDREN);

    wxNotebookSizer *pNotebookSizer = new wxNotebookSizer(m_pNotebook);

    // layout frame panel
    wxBoxSizer *pPanelSizer = new wxBoxSizer(wxVERTICAL);

    pPanelSizer->Add(new wxStaticLine(pPanel, -1), 0, wxEXPAND);
    pPanelSizer->Add(0, 4);
    pPanelSizer->Add(pNotebookSizer, 1, wxEXPAND);

    pPanel->SetAutoLayout(true);
    pPanel->SetSizerAndFit(pPanelSizer);

    CreateNotebookPage(new CViewProjects(m_pNotebook));
    CreateNotebookPage(new CViewWork(m_pNotebook));
    CreateNotebookPage(new CViewTransfers(m_pNotebook));
    CreateNotebookPage(new CViewMessages(m_pNotebook));
    CreateNotebookPage(new CViewResources(m_pNotebook));

    return true;
}


template < class T >
bool CMainFrame::CreateNotebookPage(T pwndNewNotebookPage)
{
    wxImageList*    pImageList;
    wxInt32         iImageIndex = 0;

    wxASSERT(NULL != pwndNewNotebookPage);
    wxASSERT(NULL != m_pNotebook);
    wxASSERT(wxDynamicCast(pwndNewNotebookPage, CBOINCBaseView));


    pImageList = m_pNotebook->GetImageList();
    if (!pImageList) {
        pImageList = new wxImageList(16, 16, true, 0);
        wxASSERT(pImageList != NULL);
        m_pNotebook->SetImageList(pImageList);
    }
    
    iImageIndex = pImageList->Add(wxBitmap(pwndNewNotebookPage->GetViewIcon()), wxColour(255, 0, 255));
    m_pNotebook->AddPage(pwndNewNotebookPage, pwndNewNotebookPage->GetViewName(), TRUE, iImageIndex);

    return true;
}


bool CMainFrame::CreateStatusbar()
{
    if (m_pStatusbar)
        return true;

    wxInt32 ch = GetCharWidth();

    const wxInt32 widths[] = {-1, 20*ch, 15};

    m_pStatusbar = CreateStatusBar(WXSIZEOF(widths), wxST_SIZEGRIP, ID_STATUSBAR);
    wxASSERT(NULL != m_pStatusbar);

    m_pStatusbar->SetStatusWidths(WXSIZEOF(widths), widths);

    SetStatusBar(m_pStatusbar);
    SendSizeEvent();

    return true;
}


bool CMainFrame::DeleteMenu()
{
    return true;
}


bool CMainFrame::DeleteNotebook()
{
    wxImageList*    pImageList;

    wxASSERT(NULL != m_pNotebook);

    pImageList = m_pNotebook->GetImageList();

    wxASSERT(NULL != pImageList);

    if (pImageList)
        delete pImageList;

    return true;
}


bool CMainFrame::DeleteStatusbar()
{
    if (!m_pStatusbar)
        return true;

    SetStatusBar(NULL);

    delete m_pStatusbar;

    m_pStatusbar = NULL;
    SendSizeEvent();

    return true;
}


bool CMainFrame::SaveState()
{
    wxString        strBaseConfigLocation = wxString(_T("/"));
    wxConfigBase*   pConfig = wxConfigBase::Get(FALSE);
    wxWindow*       pwndNotebookPage = NULL;
    wxString        strConfigLocation = wxString(_T(""));
    wxInt32         iIndex = 0;
    wxInt32         iPageCount = 0;


    wxASSERT(NULL != pConfig);
    wxASSERT(NULL != m_pNotebook);


    //
    // Save Frame State
    //
    pConfig->SetPath(strBaseConfigLocation);

    pConfig->Write(_T("CurrentPage"), m_pNotebook->GetSelection());


    //
    // Save Page(s) State
    //
 
    // Convert to a zero based index
    iPageCount = m_pNotebook->GetPageCount() - 1;

    for ( iIndex = 0; iIndex <= iPageCount; iIndex++ ) {   

        pwndNotebookPage = m_pNotebook->GetPage(iIndex);
        wxASSERT(wxDynamicCast(pwndNotebookPage, CBOINCBaseView));

        if        (wxDynamicCast(pwndNotebookPage, CViewProjects)) {
            FireSaveStateEvent(wxDynamicCast(pwndNotebookPage, CViewProjects), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewWork)) {
            FireSaveStateEvent(wxDynamicCast(pwndNotebookPage, CViewWork), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewTransfers)) {
            FireSaveStateEvent(wxDynamicCast(pwndNotebookPage, CViewTransfers), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewMessages)) {
            FireSaveStateEvent(wxDynamicCast(pwndNotebookPage, CViewMessages), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewResources)) {
            FireSaveStateEvent(wxDynamicCast(pwndNotebookPage, CViewResources), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CBOINCBaseView)) {
            FireSaveStateEvent(wxDynamicCast(pwndNotebookPage, CBOINCBaseView), pConfig);
        }
    }

    return true;
}


template < class T >
bool CMainFrame::FireSaveStateEvent( T pPage, wxConfigBase* pConfig )
{
    wxString strPreviousLocation = wxString(_T(""));
    wxString strConfigLocation = wxString(_T(""));

    strPreviousLocation = pConfig->GetPath();
    strConfigLocation = strPreviousLocation + pPage->GetViewName();

    pConfig->SetPath(strConfigLocation);
    pPage->OnSaveState( pConfig );
    pConfig->SetPath(strPreviousLocation);

    return true;
}


bool CMainFrame::RestoreState()
{
    wxString        strBaseConfigLocation = wxString(_T("/"));
    wxConfigBase*   pConfig = wxConfigBase::Get(FALSE);
    wxWindow*       pwndNotebookPage = NULL;
    wxString        strConfigLocation = wxString(_T(""));
    wxInt32         iIndex = 0;
    wxInt32         iPageCount = 0;


    wxASSERT(NULL != pConfig);
    wxASSERT(NULL != m_pNotebook);


    //
    // Restore Frame State
    //
    wxInt32         iCurrentPage;


    pConfig->SetPath(strBaseConfigLocation);

    pConfig->Read(_T("CurrentPage"), &iCurrentPage, 1);
    m_pNotebook->SetSelection(iCurrentPage);


    //
    // Restore Page(s) State
    //

    // Convert to a zero based index
    iPageCount = m_pNotebook->GetPageCount() - 1;

    for ( iIndex = 0; iIndex <= iPageCount; iIndex++ ) {   

        pwndNotebookPage = m_pNotebook->GetPage(iIndex);
        wxASSERT(wxDynamicCast(pwndNotebookPage, CBOINCBaseView));

        if        (wxDynamicCast(pwndNotebookPage, CViewProjects)) {
            FireRestoreStateEvent(wxDynamicCast(pwndNotebookPage, CViewProjects), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewWork)) {
            FireRestoreStateEvent(wxDynamicCast(pwndNotebookPage, CViewWork), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewTransfers)) {
            FireRestoreStateEvent(wxDynamicCast(pwndNotebookPage, CViewTransfers), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewMessages)) {
            FireRestoreStateEvent(wxDynamicCast(pwndNotebookPage, CViewMessages), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CViewResources)) {
            FireRestoreStateEvent(wxDynamicCast(pwndNotebookPage, CViewResources), pConfig);
        } else if (wxDynamicCast(pwndNotebookPage, CBOINCBaseView)) {
            FireRestoreStateEvent(wxDynamicCast(pwndNotebookPage, CBOINCBaseView), pConfig);
        }
    }

    return true;
}


template < class T >
bool CMainFrame::FireRestoreStateEvent( T pPage, wxConfigBase* pConfig ) 
{
    wxString strPreviousLocation = wxString(_T(""));
    wxString strConfigLocation = wxString(_T(""));

    strPreviousLocation = pConfig->GetPath();
    strConfigLocation = strPreviousLocation + pPage->GetViewName();

    pConfig->SetPath(strConfigLocation);
    pPage->OnRestoreState( pConfig );
    pConfig->SetPath(strPreviousLocation);

    return true;
}


void CMainFrame::OnExit(wxCommandEvent &WXUNUSED(event))
{
    Close(true);
}


void CMainFrame::OnClose(wxCloseEvent &WXUNUSED(event)) 
{
    Destroy();
}


void CMainFrame::OnToolsOptions(wxCommandEvent &WXUNUSED(event))
{
    CDlgOptions* pDlg = new CDlgOptions(this);
    wxASSERT(NULL != pDlg);

    pDlg->ShowModal();

    if (pDlg)
        pDlg->Destroy();
}


void CMainFrame::OnAbout(wxCommandEvent &WXUNUSED(event)) 
{
    CDlgAbout* pDlg = new CDlgAbout(this);
    wxASSERT(NULL != pDlg);

    pDlg->ShowModal();

    if (pDlg)
        pDlg->Destroy();
}


void CMainFrame::OnFrameRender ( wxTimerEvent &event )
{
    wxWindow*       pwndNotebookPage;

    wxASSERT(NULL != m_pNotebook);


    pwndNotebookPage = m_pNotebook->GetPage(m_pNotebook->GetSelection());
    wxASSERT(NULL != pwndNotebookPage);
    wxASSERT(wxDynamicCast(pwndNotebookPage, CBOINCBaseView));

    if        (wxDynamicCast(pwndNotebookPage, CViewProjects)) {
        FireRenderEvent(wxDynamicCast(pwndNotebookPage, CViewProjects), event);
    } else if (wxDynamicCast(pwndNotebookPage, CViewWork)) {
        FireRenderEvent(wxDynamicCast(pwndNotebookPage, CViewWork), event);
    } else if (wxDynamicCast(pwndNotebookPage, CViewTransfers)) {
        FireRenderEvent(wxDynamicCast(pwndNotebookPage, CViewTransfers), event);
    } else if (wxDynamicCast(pwndNotebookPage, CViewMessages)) {
        FireRenderEvent(wxDynamicCast(pwndNotebookPage, CViewMessages), event);
    } else if (wxDynamicCast(pwndNotebookPage, CViewResources)) {
        FireRenderEvent(wxDynamicCast(pwndNotebookPage, CViewResources), event);
    } else if (wxDynamicCast(pwndNotebookPage, CBOINCBaseView)) {
        FireRenderEvent(wxDynamicCast(pwndNotebookPage, CBOINCBaseView), event);
    }
}


template < class T >
void CMainFrame::FireRenderEvent( T pPage, wxTimerEvent &event )
{
    pPage->OnRender(event);
}