Camelot: EditButtonDragTarget Class Reference

00356     : OilDragTarget(TheWindow, ClientArea)
00357 {
00358 //  TRACEUSER("Gerry", _T("EditButtonDragTarget created")); 
00359 }

00512 {
00513 //  TRACEUSER("Gerry", _T("EditButtonDragTarget::CanDropHere"));
00514 
00515     if (Document::GetSelected() == NULL)        // No selected docuement? can't edit anything then
00516         return(FALSE);
00517 
00518     if (pDragInfo != NULL && pDragInfo->IsKindOf(CC_RUNTIME_CLASS(ColourDragInformation)))
00519     {
00520         ColourDragInformation *CDInfo = (ColourDragInformation *) pDragInfo;
00521 
00522         // We always allow drops of library colours onto us
00523         if (CDInfo->IsLibraryColour())
00524             return(TRUE);
00525 
00526         // Get the dragged colour and the current colour list
00527         IndexedColour *Col  = CDInfo->GetInitiallyDraggedColour();
00528 
00529         if (Col != NULL)    // NULL means "no colour" or a library colour, which can't be edited
00530         {
00531             ColourList *ColList = NULL;
00532             if (CDInfo->GetParentDoc() != NULL)
00533                 ColList = CDInfo->GetParentDoc()->GetIndexedColours();
00534 
00535             return(ColourEditDlg::CanYouEditThis(ColList, Col));
00536         }
00537     }
00538 
00539     return(FALSE);
00540 }

00455 {
00456 //  TRACEUSER("Gerry", _T("EditButtonDragTarget::GetCursorID"));
00457 
00458     DragInformation *pDragInfo = DragManagerOp::GetCurrentDragInfo();
00459     if (CanDropHere(pDragInfo))
00460         return _R(IDC_CANDROP_EDITBUTTON);
00461 
00462     return 0;
00463 }

00479 {
00480 //  TRACEUSER("Gerry", _T("EditButtonDragTarget::GetStatusLineText"));
00481 
00482     ERROR2IF(TheText==NULL,FALSE,_T("NULL string in GetStatusLineText()"));
00483 
00484     // Call our helper function to find out if this can be dropped here
00485     DragInformation *pDragInfo = DragManagerOp::GetCurrentDragInfo();
00486     if (CanDropHere(pDragInfo))
00487     {
00488         String_256 DragString(_R(IDS_COLBAR_DRAGDROP));
00489         *TheText = DragString;
00490         return TRUE;
00491     }
00492 
00493     return FALSE;
00494 }

00383 {
00384 //  TRACEUSER("Gerry", _T("EditButtonDragTarget::ProcessEvent"));
00385 
00386     // Not a colour drag? That is kindof unexpected, but lets exit before
00387     // we embarrass ourselves
00388 
00389     if (!pDragInfo->IsKindOf(CC_RUNTIME_CLASS(ColourDragInformation)))
00390         return(FALSE);
00391 
00392     switch(Event)
00393     {
00394         case DRAGEVENT_COMPLETED:
00395             if (CColourBar::TheColourBar != NULL &&
00396                 CColourBar::TheColourBar->m_pCurrentColourList != NULL)
00397             {
00398                 if (CanDropHere(pDragInfo))
00399                 {
00400                     ColourDragInformation *CDI = (ColourDragInformation *) pDragInfo;
00401                     IndexedColour *Col = NULL;
00402 
00403                     if (CDI->IsLibraryColour())
00404                     {
00405                         // We must copy the library colour into the document, but first check with
00406                         // the user that this is what they intended.
00407                     #ifndef WEBSTER
00408                         // Camelot builds ask the user to check that this is what they want
00409                         if (InformError(_R(IDE_CANTEDITLIBCOLOUR), _R(IDS_COPYLIBCOLOUR), _R(IDS_CANCEL)) == 1)
00410                             Col = CDI->GetColourForDocument(Document::GetSelected());
00411                     #else
00412                         // Webster builds just do it. Simplify the UI for the user
00413                         Col = CDI->GetColourForDocument(Document::GetSelected());
00414                     #endif
00415                     }
00416                     else
00417                         Col = CDI->GetInitiallyDraggedColour();
00418 
00419                     if (Col != NULL)
00420                         CColourBar::TheColourBar->EditAColour(CColourBar::TheColourBar->m_pCurrentColourList, Col);
00421                     return(TRUE);
00422                 }
00423             }
00424             break;
00425 
00426 
00427         case DRAGEVENT_MOUSESTOPPED:
00428         case DRAGEVENT_MOUSEMOVED:
00429         case DRAGEVENT_MOUSEIDLE:
00430             // Return TRUE to claim the mouse while over our target area, so that
00431             // our cursor shape is used
00432             return(TRUE);
00433 
00434         default:
00435             break;
00436     }
00437 
00438     // Allow unknown/unwanted events to pass on to other targets
00439     return(FALSE);
00440 }


Public Member Functions
	EditButtonDragTarget (wxWindow TheWindow, wxRect ClientArea=NULL)
virtual UINT32	GetCursorID ()
	Set cursor over this target.
virtual BOOL	GetStatusLineText (String_256 *TheText)
	provide status line text for this target
Protected Member Functions
BOOL	ProcessEvent (DragEventType Event, DragInformation pDragInfo, wxPoint pMousePos, KeyPress *pKeyPress)
	Event Handler for Edit Drag.
BOOL	CanDropHere (DragInformation *pDragInfo)
	Internal helper function.
Friends
class	DragManagerOp

EditButtonDragTarget Class Reference

Public Member Functions

Protected Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation