// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software 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 Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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

#include "stdwx.h"
#include "BOINCGUIApp.h"
#include "MainDocument.h"
#include "BOINCTaskCtrl.h"
#include "BOINCListCtrl.h"
#include "ViewResources.h"
#include "Events.h"


#include "res/usage.xpm"
#include "res/task.xpm"
#include "res/tips.xpm"


#define COLUMN_PROJECT              0
#define COLUMN_DISKSPACE            1


CResource::CResource()
{
    m_strProjectName = wxEmptyString;
    m_strDiskSpace = wxEmptyString;
}


CResource::~CResource()
{
    m_strProjectName.Clear();
    m_strDiskSpace.Clear();
}


wxInt32 CResource::GetProjectName( wxString& strProjectName )
{
    strProjectName = m_strProjectName;	
	return 0;
}


wxInt32 CResource::GetDiskSpace( wxString& strDiskSpace )
{
    strDiskSpace = m_strDiskSpace;	
	return 0;
}


wxInt32 CResource::SetProjectName( wxString& strProjectName )
{
    m_strProjectName = strProjectName;	
	return 0;
}


wxInt32 CResource::SetDiskSpace( wxString& strDiskSpace )
{
    m_strDiskSpace = strDiskSpace;	
	return 0;
}


IMPLEMENT_DYNAMIC_CLASS(CViewResources, CBOINCBaseView)


CViewResources::CViewResources()
{
}


CViewResources::CViewResources(wxNotebook* pNotebook) :
    CBOINCBaseView( pNotebook, ID_HTML_RESOURCEUTILIZATIONVIEW, DEFAULT_HTML_FLAGS, ID_LIST_RESOURCEUTILIZATIONVIEW, DEFAULT_LIST_SINGLE_SEL_FLAGS )
{
    wxASSERT(NULL != m_pTaskPane);
    wxASSERT(NULL != m_pListPane);

    //
    // Globalization/Localization
    //
    VIEW_HEADER              = wxT("resources");

    SECTION_TASK             = VIEW_HEADER + wxT("task");
    SECTION_TIPS             = VIEW_HEADER + wxT("tips");

    BITMAP_RESOURCES         = VIEW_HEADER + wxT(".xpm");
    BITMAP_TASKHEADER        = SECTION_TASK + wxT(".xpm");
    BITMAP_TIPSHEADER        = SECTION_TIPS + wxT(".xpm");

    LINKDESC_DEFAULT         = 
        _("No available options currently defined.");


    //
    // Setup View
    //
    wxBitmap bmpResources(usage_xpm);
    wxBitmap bmpTask(task_xpm);
    wxBitmap bmpTips(tips_xpm);

    bmpResources.SetMask(new wxMask(bmpResources, wxColour(255, 0, 255)));
    bmpTask.SetMask(new wxMask(bmpTask, wxColour(255, 0, 255)));
    bmpTips.SetMask(new wxMask(bmpTips, wxColour(255, 0, 255)));

    m_pTaskPane->AddVirtualFile(wxT(BITMAP_RESOURCES), bmpResources, wxBITMAP_TYPE_XPM);

    m_pTaskPane->CreateTaskHeader(BITMAP_TASKHEADER, bmpTask, _("Tasks"));
    m_pTaskPane->CreateTaskHeader(BITMAP_TIPSHEADER, bmpTips, _("Tips"));

    m_pListPane->InsertColumn(COLUMN_PROJECT, _("Project"), wxLIST_FORMAT_LEFT, -1);
    m_pListPane->InsertColumn(COLUMN_DISKSPACE, _("Disk Space"), wxLIST_FORMAT_LEFT, -1);

    m_bTipsHeaderHidden = false;
    m_bItemSelected = false;

    SetCurrentQuickTip(
        LINK_DEFAULT, 
        LINKDESC_DEFAULT
    );

    UpdateSelection();
}


CViewResources::~CViewResources()
{
    EmptyCache();
}


wxString CViewResources::GetViewName()
{
    return wxString(_("Disk"));
}


char** CViewResources::GetViewIcon()
{
    return usage_xpm;
}


wxInt32 CViewResources::GetDocCount()
{
    CMainDocument* pDoc      = wxGetApp().GetDocument();

    wxASSERT(NULL != pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    return pDoc->GetResourceCount();
}


wxString CViewResources::OnListGetItemText( long item, long column ) const
{
    CResource* resource   = m_ResourceCache.at( item );
    wxString   strBuffer  = wxEmptyString;

    switch(column)
    {
        case COLUMN_PROJECT:
            resource->GetProjectName( strBuffer );
            break;
        case COLUMN_DISKSPACE:
            resource->GetDiskSpace( strBuffer );
            break;
    }

    return strBuffer;
}


wxString CViewResources::OnDocGetItemText( long item, long column ) const
{
    wxString       strBuffer = wxEmptyString;

    switch(column)
    {
        case COLUMN_PROJECT:
            FormatProjectName( item, strBuffer );
            break;
        case COLUMN_DISKSPACE:
            FormatDiskSpace( item, strBuffer );
            break;
    }

    return strBuffer;
}


void CViewResources::OnTaskLinkClicked( const wxHtmlLinkInfo& link )
{
    wxASSERT(NULL != m_pTaskPane);
    wxASSERT(NULL != m_pListPane);

    wxString strMessage;

    m_bTaskHeaderHidden = false;
    m_bTipsHeaderHidden = false;

    UpdateSelection();
    m_pListPane->Refresh();
}


void CViewResources::OnTaskCellMouseHover( wxHtmlCell* cell, wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
{
    if ( NULL != cell->GetLink() )
    {
        bool        bUpdateSelection = false;
        wxString    strLink;

        strLink = cell->GetLink()->GetHref();

        if      ( UpdateQuickTip( strLink, wxT("test"), wxT("test") ) )
            bUpdateSelection = true;
        else
        {
            if ( 0 == m_pListPane->GetSelectedItemCount() )
            {
                if  ( wxT(LINK_DEFAULT) != GetCurrentQuickTip() )
                {
                    SetCurrentQuickTip(
                        LINK_DEFAULT, 
                        LINKDESC_DEFAULT
                    );

                    bUpdateSelection = true;
                }
            }
        }

        if ( bUpdateSelection )
        {
            UpdateSelection();
        }
    }
}


wxInt32 CViewResources::AddCacheElement()
{
    CResource* pItem = new CResource();
    wxASSERT( NULL != pItem );
    if ( NULL != pItem )
    {
        m_ResourceCache.push_back( pItem );
        return 0;
    }
    return -1;
}


wxInt32 CViewResources::EmptyCache()
{
    unsigned int i;
    for (i=0; i<m_ResourceCache.size(); i++) {
        delete m_ResourceCache[i];
    }
    m_ResourceCache.clear();
    return 0;
}


wxInt32 CViewResources::GetCacheCount()
{
    return m_ResourceCache.size();
}


wxInt32 CViewResources::RemoveCacheElement()
{
    delete m_ResourceCache.back();
    m_ResourceCache.erase( m_ResourceCache.end() - 1 );
    return 0;
}


wxInt32 CViewResources::UpdateCache( long item, long column, wxString& strNewData )
{
    CResource* resource   = m_ResourceCache.at( item );

    switch(column)
    {
        case COLUMN_PROJECT:
            resource->SetProjectName( strNewData );
            break;
        case COLUMN_DISKSPACE:
            resource->SetDiskSpace( strNewData );
            break;
    }

    return 0;
}


void CViewResources::UpdateSelection()
{
    wxASSERT(NULL != m_pTaskPane);
    wxASSERT(NULL != m_pListPane);

    if ( 0 == m_pListPane->GetSelectedItemCount() )
    {
        m_bTaskHeaderHidden = true;

        if ( m_bItemSelected )
        {
            SetCurrentQuickTip(
                LINK_DEFAULT, 
                wxT("")
            );
        }
        m_bItemSelected = false;
    }
    else
    {
        m_bTaskHeaderHidden = true;

        m_bItemSelected = true;
    }
    UpdateTaskPane();
}


void CViewResources::UpdateTaskPane()
{
    wxASSERT(NULL != m_pTaskPane);

    m_pTaskPane->BeginTaskPage();

    m_pTaskPane->BeginTaskSection( BITMAP_TASKHEADER, m_bTaskHeaderHidden );
    if (!m_bTaskHeaderHidden)
    {
    }
    m_pTaskPane->EndTaskSection( m_bTaskHeaderHidden );

    m_pTaskPane->UpdateQuickTip( BITMAP_TIPSHEADER, GetCurrentQuickTipText(), m_bTipsHeaderHidden);

    m_pTaskPane->EndTaskPage();
}


wxInt32 CViewResources::FormatProjectName( wxInt32 item, wxString& strBuffer ) const
{
    CMainDocument* pDoc = wxGetApp().GetDocument();

    wxASSERT(NULL != pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    strBuffer.Clear();

    pDoc->GetResourceProjectName(item, strBuffer);

    return 0;
}


wxInt32 CViewResources::FormatDiskSpace( wxInt32 item, wxString& strBuffer ) const
{
    float          fBuffer = 0;
    double         xTera = 1099511627776.0;
    double         xGiga = 1073741824.0;
    double         xMega = 1048576.0;
    double         xKilo = 1024.0;
    CMainDocument* pDoc = wxGetApp().GetDocument();

    wxASSERT(NULL != pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    strBuffer.Clear();

    pDoc->GetResourceDiskspace( item, fBuffer );

    if      ( fBuffer >= xTera )
    {
        strBuffer.Printf( wxT("%0.2f TB"), fBuffer/xTera);
    }
    else if ( fBuffer >= xGiga )
    {
        strBuffer.Printf( wxT("%0.2f GB"), fBuffer/xGiga);
    }
    else if ( fBuffer >= xMega )
    {
        strBuffer.Printf( wxT("%0.2f MB"), fBuffer/xMega);
    }
    else if ( fBuffer >= xKilo )
    {
        strBuffer.Printf( wxT("%0.2f KB"), fBuffer/xKilo);
    }
    else
    {
        strBuffer.Printf( wxT("%0.0f bytes"), fBuffer);
    }

    return 0;
}


const char *BOINC_RCSID_5a37b46a6e = "$Id$";