D:/opendownloadmanager/ODM-1.x/DownloadsGroupsComboBox.cpp

Go to the documentation of this file.

/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
  Open Download Manager Copyright (c) 2008-2010 OpenDownloadManager.ORG
*/      

#include "stdafx.h"
#include "FdmApp.h"
#include "DownloadsGroupsComboBox.h"
#include "GroupDlg.h"

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

CDownloadsGroupsComboBox::CDownloadsGroupsComboBox()
{
        m_wndTree.m_pCombo = this;
        m_bHasAllGroupsItem = false;
}

CDownloadsGroupsComboBox::~CDownloadsGroupsComboBox()
{
}  

BEGIN_MESSAGE_MAP(CDownloadsGroupsComboBox, CComboBox)
        //{{AFX_MSG_MAP(CDownloadsGroupsComboBox)
        ON_WM_DESTROY()
        ON_WM_LBUTTONDOWN()
        ON_WM_LBUTTONUP()
        ON_WM_KEYDOWN()
        ON_WM_KILLFOCUS()
        ON_WM_SETFOCUS()
        ON_WM_LBUTTONDBLCLK()
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()      

void CDownloadsGroupsComboBox::Fill()
{
        m_wndTree.CreateEx (0, WC_TREEVIEW, "", WS_POPUP | WS_BORDER |
                TVS_FULLROWSELECT | TVS_HASLINES |  TVS_TRACKSELECT, 
                CRect (0,0,0,0), GetParent (), 0);
        m_wndTree.SetWindowPos (&CWnd::wndTopMost, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);

        HTREEITEM hRoot = TVI_ROOT;

        if (m_bHasAllGroupsItem)
        {
                _inc_TreeCtrlGroups item;
                item.pGroup = NULL;
                hRoot = item.hItem = m_wndTree.InsertItem (LS (L_ALLGROUPS), TVI_ROOT, TVI_SORT);
                m_wndTree.SetItemData (item.hItem, NULL);
                m_vGroupItems.push_back (item);
        }

        FillGroups (_DldsGrps.GetGroupsTree (), hRoot);

        if (m_bHasAllGroupsItem)
                m_wndTree.Expand (hRoot, TVE_EXPAND);

        UINT nId = _App.CreateDld_IdOfLastGrpSelected ();
        for (size_t i = m_bHasAllGroupsItem ? 1 : 0; i < m_vGroupItems.size (); i++)
        {
                if (m_vGroupItems [i].pGroup->nId == nId)
                {
                        m_wndTree.SelectItem (m_vGroupItems [i].hItem);
                        break;
                }
        }
        if (i == m_vGroupItems.size ())
                m_wndTree.SelectItem (m_vGroupItems [0].hItem);

        Tree_UpdateSelection (FALSE);
}

BOOL CDownloadsGroupsComboBox::SelectGroup(vmsDownloadsGroupSmartPtr grp)
{
        HTREEITEM hSelect = NULL;

        if (grp == NULL)
        {
                if (m_bHasAllGroupsItem)
                {
                        hSelect = m_vGroupItems [0].hItem;
                }
        }
        else
        {
                for (size_t i = m_bHasAllGroupsItem ? 1 : 0; i < m_vGroupItems.size (); i++)
                {
                        if (m_vGroupItems [i].pGroup->nId == grp->nId)
                        {
                                hSelect = m_vGroupItems [i].hItem;
                                break;
                        }
                }

                if (hSelect == NULL)
                        return FALSE;
        }

        m_wndTree.SelectItem (hSelect);

        Tree_UpdateSelection (FALSE);

        return TRUE;
}

vmsDownloadsGroupSmartPtr CDownloadsGroupsComboBox::CreateNewGroup(vmsDownloadsGroupSmartPtr pParentGroup)
{
        CGroupDlg dlg (NULL, pParentGroup, this);
        if (IDCANCEL == _DlgMgr.DoModal (&dlg))
                return NULL;

        HTREEITEM hRoot = TVI_ROOT;
        if (dlg.m_pParentGroup != NULL)
        {
                for (size_t i = m_bHasAllGroupsItem ? 1 : 0; i < m_vGroupItems.size (); i++)
                {
                        if (dlg.m_pParentGroup->nId == m_vGroupItems [i].pGroup->nId)
                        {
                                hRoot = m_vGroupItems [i].hItem;
                                break;  
                        }
                }
        }

        _inc_TreeCtrlGroups item;
        item.pGroup = dlg.m_pGroup;
        item.hItem = m_wndTree.InsertItem (dlg.m_pGroup->strName, hRoot, TVI_SORT);
        m_wndTree.SetItemData (item.hItem, (DWORD_PTR)(vmsDownloadsGroup*)dlg.m_pGroup);
        m_vGroupItems.push_back (item);

        SelectGroup (dlg.m_pGroup);

        return dlg.m_pGroup;
}

vmsDownloadsGroupSmartPtr CDownloadsGroupsComboBox::GetSelectedGroup()
{
        return m_pSelectedGroup;
}

void CDownloadsGroupsComboBox::OnDestroy() 
{
        RememberSelectedGroup ();       

        CComboBox::OnDestroy();
}

void CDownloadsGroupsComboBox::RememberSelectedGroup()
{
        vmsDownloadsGroupSmartPtr pGroup = GetSelectedGroup ();
        if (pGroup != NULL)
                _App.CreateDld_IdOfLastGrpSelected (pGroup->nId);
}

BOOL CDownloadsGroupsComboBox::SelectGroupById(UINT nGroupId)
{
        if (nGroupId == (UINT)-1)
                return FALSE;

        vmsDownloadsGroupSmartPtr pGroup = _DldsGrps.FindGroup (nGroupId);
        if (pGroup == NULL)
                return FALSE;

        return SelectGroup (pGroup);
}

void CDownloadsGroupsComboBox::OnLButtonDown(UINT nFlags, CPoint point) 
{
        fsTicksMgr timeNow; timeNow.Now ();
        if (timeNow - m_timeLastHide > 300) 
        {
                CComboBox::OnLButtonDown(nFlags, point);

                if (m_wndTree.IsWindowVisible () == FALSE)
                        ShowDropDown (TRUE);
        }
}  

void CDownloadsGroupsComboBox::OnLButtonUp(UINT nFlags, CPoint point) 
{
        CComboBox::OnLButtonUp(nFlags, point);
}  

void CDownloadsGroupsComboBox::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
        if (nChar == VK_DOWN || nChar == VK_UP)
        {
                m_wndTree.SendMessage (WM_KEYDOWN, nChar, 0);
                Tree_UpdateSelection ();
        }

        CComboBox::OnKeyDown(nChar, nRepCnt, nFlags);
}

void CDownloadsGroupsComboBox::ShowDropDown(BOOL bShow)
{
        if (m_wndTree.IsWindowVisible ())
        {
                if (bShow == FALSE)
                {
                        m_wndTree.ShowWindow (SW_HIDE);
                        m_timeLastHide.Now ();
                }
                return;
        }

        if (bShow == FALSE)
                return;

        CRect rc;
        GetWindowRect (&rc);

        rc.top = rc.bottom;
        rc.bottom += 150;

        m_wndTree.MoveWindow (&rc);

        m_wndTree.ShowWindow (SW_SHOW);

        m_wndTree.SetFocus ();
}

void CDownloadsGroupsComboBox::OnKillFocus(CWnd* pNewWnd) 
{
        CComboBox::OnKillFocus(pNewWnd);
}

void CDownloadsGroupsComboBox::OnSetFocus(CWnd* pOldWnd) 
{
        CComboBox::OnSetFocus(pOldWnd);
        
        if (pOldWnd != NULL && pOldWnd->m_hWnd == m_wndTree.m_hWnd)
                ShowDropDown (FALSE);
}

void CDownloadsGroupsComboBox::OnLButtonDblClk(UINT nFlags, CPoint point) 
{
        OnLButtonDown (nFlags, point);
        
}  

void CDownloadsGroupsComboBox::Tree_UpdateSelection(BOOL bPostNotificationMsg)
{
        DeleteString (0); 
        HTREEITEM hItem = m_wndTree.GetSelectedItem ();
        if (hItem)
        {
                m_pSelectedGroup = (vmsDownloadsGroup*)m_wndTree.GetItemData (hItem);
                AddString (m_wndTree.GetItemText (hItem));
        }
        else
        {
                m_pSelectedGroup = NULL;
                AddString ("");
        }
        SetCurSel (0);  

        if (bPostNotificationMsg)
        {
                GetParent ()->PostMessage (WM_COMMAND, MAKEWPARAM (GetDlgCtrlID (), CBN_SELCHANGE), 
                        (LPARAM)m_hWnd);
        }
}

void CDownloadsGroupsComboBox::FillGroups(PDLDS_GROUPS_TREE pGroupsTree, HTREEITEM hRoot)
{
        for (int i = 0; i < pGroupsTree->GetLeafCount (); i++)
        {
                
                _inc_TreeCtrlGroups item;
                item.pGroup = pGroupsTree->GetLeaf (i)->GetData ();
                item.hItem = m_wndTree.InsertItem (
                        item.pGroup->nId != GRP_OTHER_ID ? item.pGroup->strName : LS (L_OTHER), 
                        hRoot, TVI_SORT);
                m_wndTree.SetItemData (item.hItem, (DWORD_PTR)(vmsDownloadsGroup*)item.pGroup);
                m_vGroupItems.push_back (item);
                
                FillGroups (pGroupsTree->GetLeaf (i), item.hItem);
                
                m_wndTree.Expand (item.hItem, TVE_EXPAND);
        }
}

---