// 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 "ViewMessages.h"
#endif

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

#include "wx/arrimpl.cpp" 


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


#define COLUMN_PROJECT              0
#define COLUMN_TIME                 1
#define COLUMN_MESSAGE              2

#define PRIORITY_INFO               1
#define PRIORITY_ERROR              2


IMPLEMENT_DYNAMIC_CLASS(CViewMessages, CBOINCBaseView)


CViewMessages::CViewMessages() {}


CViewMessages::CViewMessages(wxNotebook* pNotebook) :
    CBOINCBaseView(pNotebook, ID_HTML_MESSAGESVIEW, DEFAULT_HTML_FLAGS, ID_LIST_MESSAGESVIEW, DEFAULT_LIST_MULTI_SEL_FLAGS) {
    wxASSERT(m_pTaskPane);
    wxASSERT(m_pListPane);

    //
    // Initialize variables used in later parts of the class
    //
    m_iPreviousDocCount = 0;


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

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

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

    LINKDESC_DEFAULT         = 
        _("Click a message to see additional options.");

    LINK_TASKCOPYALL         = SECTION_TASK + wxT("copyall");
    LINKDESC_TASKCOPYALL     = 
        _("<b>Copy all</b><br>"
          "Copy all the messages to the clipboard.");

    LINK_TASKCOPYMESSAGE     = SECTION_TASK + wxT("copymessage");
    LINKDESC_TASKCOPYMESSAGE = 
        _("<b>Copy selected messages</b><br>"
          "Copy the selected messages to the clipboard. "
          "You can select multiple messages by holding down the shift "
          "or control key while clicking on messages.");

    //
    // Setup View
    //
    wxBitmap bmpMessage(mess_xpm);
    wxBitmap bmpTask(task_xpm);
    wxBitmap bmpTips(tips_xpm);

    bmpMessage.SetMask(new wxMask(bmpMessage, 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(BITMAP_MESSAGE, bmpMessage, 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, 115);
    m_pListPane->InsertColumn(COLUMN_TIME, _("Time"), wxLIST_FORMAT_LEFT, 145);
    m_pListPane->InsertColumn(COLUMN_MESSAGE, _("Message"), wxLIST_FORMAT_LEFT, 550);

    m_pMessageInfoAttr = new wxListItemAttr(*wxBLACK, *wxWHITE, wxNullFont);
    m_pMessageErrorAttr = new wxListItemAttr(*wxRED, *wxWHITE, wxNullFont);

    m_bTipsHeaderHidden = false;
    m_bItemSelected = false;

    SetCurrentQuickTip(
        LINK_DEFAULT, 
        LINKDESC_DEFAULT
    );

    UpdateSelection();
}


CViewMessages::~CViewMessages() {
    if (m_pMessageInfoAttr) {
        delete m_pMessageInfoAttr;
        m_pMessageInfoAttr = NULL;
    }

    if (m_pMessageErrorAttr) {
        delete m_pMessageErrorAttr;
        m_pMessageErrorAttr = NULL;
    }
}


wxString CViewMessages::GetViewName() {
    return wxString(_("Messages"));
}


const char** CViewMessages::GetViewIcon() {
    return mess_xpm;
}


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

    wxASSERT(pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    return pDoc->GetMessageCount();
}


void CViewMessages::OnListRender (wxTimerEvent& event) {
    if (!m_bProcessingListRenderEvent) {
        m_bProcessingListRenderEvent = true;

        wxASSERT(m_pListPane);

        wxInt32 iDocCount = GetDocCount();
        if (0 >= iDocCount) {
            m_pListPane->DeleteAllItems();
        } else {
            if (m_iPreviousDocCount != iDocCount)
                m_pListPane->SetItemCount(iDocCount);
        }

        if ((iDocCount) && (_EnsureLastItemVisible()) && (m_iPreviousDocCount != iDocCount)) {
            m_pListPane->EnsureVisible(iDocCount - 1);
        }

        if (m_iPreviousDocCount != iDocCount) {
            m_iPreviousDocCount = iDocCount;
        }

        m_bProcessingListRenderEvent = false;
    }

    event.Skip();
}


wxString CViewMessages::OnListGetItemText(long item, long column) const {
    wxString        strBuffer   = wxEmptyString;

    switch(column) {
    case COLUMN_PROJECT:
        FormatProjectName(item, strBuffer);
        break;
    case COLUMN_TIME:
        FormatTime(item, strBuffer);
        break;
    case COLUMN_MESSAGE:
        FormatMessage(item, strBuffer);
        break;
    }

    return strBuffer;
}


wxListItemAttr* CViewMessages::OnListGetItemAttr(long item) const {
    wxListItemAttr* pAttribute  = NULL;
    wxString        strBuffer   = wxEmptyString;

    FormatPriority(item, strBuffer);

    if (wxT("E") == strBuffer) {
        pAttribute = m_pMessageErrorAttr;
    } else {
        pAttribute = m_pMessageInfoAttr;
    }

    return pAttribute;
}


void CViewMessages::OnTaskLinkClicked(const wxHtmlLinkInfo& link) {
    CMainFrame* pFrame      = wxGetApp().GetFrame();

    wxASSERT(pFrame);
    wxASSERT(wxDynamicCast(pFrame, CMainFrame));
    wxASSERT(m_pTaskPane);
    wxASSERT(m_pListPane);

    m_bTaskHeaderHidden = false;
    m_bTipsHeaderHidden = false;

#ifndef NOCLIPBOARD
    wxInt32 iIndex = -1;
    if (link.GetHref() == LINK_TASKCOPYALL) {
        pFrame->UpdateStatusText(_("Copying all messages to the clipboard..."));

        wxInt32 iRowCount = 0;

        OpenClipboard();

        iRowCount = m_pListPane->GetItemCount();
        for (iIndex = 0; iIndex < iRowCount; iIndex++) {
            CopyToClipboard(iIndex);            
        }

        CloseClipboard();
    } else if (link.GetHref() == LINK_TASKCOPYMESSAGE) {
        pFrame->UpdateStatusText(_("Copying selected message(s) to the clipboard..."));

        OpenClipboard();

        for (;;) {
            iIndex = m_pListPane->GetNextItem(
                iIndex, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED
            );
            if (iIndex == -1) break;

            CopyToClipboard(iIndex);            
        }

        CloseClipboard();
    }
#endif

    UpdateSelection();
    pFrame->ProcessRefreshView();

    pFrame->UpdateStatusText( wxEmptyString );

}


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

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

        if (UpdateQuickTip(strLink, LINK_TASKCOPYALL, LINKDESC_TASKCOPYALL)) {
            bUpdateSelection = true;
        } else if (UpdateQuickTip(strLink, LINK_TASKCOPYMESSAGE, LINKDESC_TASKCOPYMESSAGE)) {
            bUpdateSelection = true;
        } else {
            if (0 == m_pListPane->GetSelectedItemCount()) {
                if  (LINK_DEFAULT != GetCurrentQuickTip()) {
                    SetCurrentQuickTip(LINK_DEFAULT, LINKDESC_DEFAULT);
                    bUpdateSelection = true;
                }
            }
        }

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


bool CViewMessages::EnsureLastItemVisible() {
    return true;
}


void CViewMessages::UpdateSelection() {
    wxASSERT(m_pTaskPane);
    wxASSERT(m_pListPane);

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

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

        m_bItemSelected = true;
    }
    UpdateTaskPane();
}


void CViewMessages::UpdateTaskPane() {
    wxASSERT(m_pTaskPane);

    m_pTaskPane->BeginTaskPage();

    m_pTaskPane->BeginTaskSection(BITMAP_TASKHEADER, m_bTaskHeaderHidden);
    if (!m_bTaskHeaderHidden) {
        m_pTaskPane->CreateTask(LINK_TASKCOPYALL, _("Copy all messages"), m_bTaskCopyAllHidden);
        m_pTaskPane->CreateTask(LINK_TASKCOPYMESSAGE, _("Copy selected messages"), m_bTaskCopyMessageHidden);
    }
    m_pTaskPane->EndTaskSection(m_bTaskHeaderHidden);

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

    m_pTaskPane->EndTaskPage();
}


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

    wxASSERT(pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    strBuffer.Clear();

    pDoc->GetMessageProjectName(item, strBuffer);

    return 0;
}


wxInt32 CViewMessages::FormatPriority(wxInt32 item, wxString& strBuffer) const {
    CMainDocument*  pDoc = wxGetApp().GetDocument();
    wxInt32         iBuffer = 0;

    wxASSERT(pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    strBuffer.Clear();

    pDoc->GetMessagePriority(item, iBuffer);

    switch(iBuffer) {
    case PRIORITY_INFO:
        strBuffer = wxT("I");
        break;
    case PRIORITY_ERROR:
        strBuffer = wxT("E");
        break;
    }

    return 0;
}


wxInt32 CViewMessages::FormatTime(wxInt32 item, wxString& strBuffer) const {
    wxDateTime     dtBuffer(wxDateTime::Now());
    CMainDocument* pDoc = wxGetApp().GetDocument();

    wxASSERT(pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    strBuffer.Clear();

    pDoc->GetMessageTime(item, dtBuffer);
    strBuffer = dtBuffer.Format();

    return 0;
}


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

    wxASSERT(pDoc);
    wxASSERT(wxDynamicCast(pDoc, CMainDocument));

    strBuffer.Clear();

    pDoc->GetMessageMessage(item, strBuffer);

    strBuffer.Replace(wxT("\n"), wxT(""), true);

    return 0;
}


#ifndef NOCLIPBOARD
bool CViewMessages::OpenClipboard() {
    bool bRetVal = false;

    bRetVal = wxTheClipboard->Open();
    if (bRetVal) {
        m_bClipboardOpen = true;
        m_strClipboardData = wxEmptyString;
        wxTheClipboard->Clear();
    }

    return bRetVal;
}


wxInt32 CViewMessages::CopyToClipboard(wxInt32 item) {
    wxInt32        iRetVal = -1;

    if (m_bClipboardOpen) {
        wxString       strBuffer = wxEmptyString;
        wxString       strTimeStamp = wxEmptyString;
        wxString       strProject = wxEmptyString;
        wxString       strMessage = wxEmptyString;

        FormatTime(item, strTimeStamp);
        FormatProjectName(item, strProject);
        FormatMessage(item, strMessage);

#ifdef __WXMSW__
        strBuffer.Printf(wxT("%s|%s|%s\r\n"), strTimeStamp.c_str(), strProject.c_str(), strMessage.c_str());
#else
        strBuffer.Printf(wxT("%s|%s|%s\n"), strTimeStamp.c_str(), strProject.c_str(), strMessage.c_str());
#endif

        m_strClipboardData += strBuffer;

        iRetVal = 0;
    }

    return iRetVal;
}


bool CViewMessages::CloseClipboard() {
    bool bRetVal = false;

    if (m_bClipboardOpen) {
        wxTheClipboard->SetData(new wxTextDataObject(m_strClipboardData));
        wxTheClipboard->Close();

        m_bClipboardOpen = false;
        m_strClipboardData = wxEmptyString;
    }

    return bRetVal;
}

#endif

const char *BOINC_RCSID_0be7149475 = "$Id$";