Camelot: OpSelectNextFrame Class Reference

OpSelectNextFrame Class Reference

Inheritance diagram for OpSelectNextFrame:

List of all members.

Public Member Functions

OpSelectNextFrame ()

void

Do (OpDescriptor *pOpDesc)

Tries to select the next animation frame (i.e. layer).

Static Public Member Functions

static OpState

GetState (String_256 *, OpDescriptor *)

For finding the OpSelectNextFrame's state.

Private Member Functions

CC_DECLARE_DYNCREATE (OpSelectNextFrame)

Member Function Documentation

OpSelectNextFrame::CC_DECLARE_DYNCREATE ( OpSelectNextFrame ) [private]

void OpSelectNextFrame::Do ( OpDescriptor * pOpDesc ) [virtual]

Tries to select the next animation frame (i.e. layer).

Author:: Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>

Date:: 22/4/97

Parameters:

	OpDescriptor	(unused) [INPUTS]
	-	[OUTPUTS]

Returns:: -
Errors: -

See also:: -

Reimplemented from Operation.

Definition at line 661 of file frameops.cpp.

00662 {
00663     // Just find the background layer and then ask our baseclass to delete it for us
00664     // Is there a selected spread?
00665     Spread * pSpread = Document::GetSelectedSpread();
00666     if (pSpread)
00667     {
00668 PORTNOTE("other", "Disabled BrowserPreviewOptions")
00669 #ifndef EXCLUDE_FROM_XARALX
00670         // Check that all visible layers are actually frame layers
00671         FrameSGallery::EnsureFrameLayerIntegrity(pSpread);
00672 #endif
00673         // yes, so find the next layer and try to move to it
00674         Layer * pLayer = pSpread->FindActiveLayer();
00675         Layer * pNextLayer = NULL;
00676         if (pLayer)
00677             pNextLayer = pLayer->FindNextFrameLayer();
00678         if (pNextLayer)
00679         {
00680             OpLayerGalParam Param(FRAME_SELECT, pSpread);
00681             Param.pLayer = pNextLayer;
00682             DoWithParam(pOpDesc, (OpParam*)&Param);
00683         }
00684     }
00685 
00686     // End the operation, but we are calling DoWithParam() which we will assume does it for us.
00687     //End();
00688 
00689     return;
00690 }

OpState OpSelectNextFrame::GetState	(	String_256 *	pUIDescription,
		OpDescriptor *	pOpDesc
	)	`[static]`

For finding the OpSelectNextFrame's state.

Author:: Neville_Humphrys (Xara Group Ltd) <camelotdev@xara.com>

Date:: 22/4/97

Parameters:

	Name	of the OpDescriptor being queried [INPUTS]
	The	string to show to the user [OUTPUTS]

Returns:: The state of the OpSelectNextFrame operation
Errors: -

See also:: -

Reimplemented from OpLayerGalChange.

Definition at line 558 of file frameops.cpp.

00559 {
00560     //The frame movement controls on the GIF animation bar now work on frames only.
00561 
00562     OpState OpSt;  
00563 
00564 #ifdef WEBSTER
00565 
00566     // Is there a selected spread?
00567     Spread * pSpread = Document::GetSelectedSpread();
00568     if (pSpread)
00569     {
00570         // yes, so check if there is an active layer
00571         Layer * pLayer = pSpread->FindActiveLayer();
00572         // If there is an active layer and one following then we are not greyed
00573         Layer * pNextLayer = pLayer->FindNextLayer();
00574         // The next layer should really be a frame layer but we cannot guarantee that but
00575         // it mustn't be a guide, a page background or a background layer.
00576         while ( pNextLayer && !pNextLayer->IsPseudoFrame())
00577         {
00578             pNextLayer = pNextLayer->FindNextLayer();
00579         }
00580      
00581         if (pLayer && pNextLayer)
00582         {
00583             // Yes, so we are allowed to move to the previous one
00584             OpSt.Greyed = FALSE;
00585         }
00586         else
00587         {
00588             // No, so we are greyed
00589             OpSt.Greyed = TRUE;
00590         }
00591     }
00592     else
00593     {
00594         // No selected spread, so we are greyed
00595         OpSt.Greyed = TRUE;
00596     }
00597 
00598 #else
00599     // Are we in frame mode.
00600     BOOL FrameMode = IsFrameMode();
00601 
00602     if(FrameMode)
00603     {
00604         // Is there a selected spread?
00605         Spread * pSpread = Document::GetSelectedSpread();
00606         if (pSpread)
00607         {
00608             // yes, so check if there is an active layer
00609             Layer * pLayer = pSpread->FindActiveLayer();
00610             // If there is an active layer and one following then we are not greyed
00611             Layer * pNextLayer = pLayer->FindNextLayer();
00612             // The next layer should really be a frame layer but we cannot guarantee that but
00613             // it mustn't be a guide, a page background or a background layer.
00614             while ( pNextLayer && !pNextLayer->IsPseudoFrame())
00615             {
00616                 pNextLayer = pNextLayer->FindNextLayer();
00617             }
00618 
00619             if (pLayer && pNextLayer)
00620             {
00621                 // Yes, so we are allowed to move to the previous one
00622                 OpSt.Greyed = FALSE;
00623             }
00624             else
00625             {
00626                 // No, so we are greyed
00627                 OpSt.Greyed = TRUE;
00628             }
00629         }
00630         else
00631         {
00632             // No selected spread, so we are greyed
00633             OpSt.Greyed = TRUE;
00634         }
00635     }
00636     else
00637     {
00638             // The document is layer based, so we are greyed.
00639             OpSt.Greyed = TRUE;
00640     }
00641 #endif
00642 
00643     return OpSt;   
00644 }

Generated on Sat Nov 10 03:58:51 2007 for Camelot by

1.4.4

OpSelectNextFrame Class Reference

Public Member Functions

Static Public Member Functions

Private Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation