void SCH_EDIT_FRAME::DeleteItem( SCH_ITEM* aItem, bool aAppend )
{
wxCHECK_RET( aItem != NULL, wxT( "Cannot delete invalid item." ) );
wxCHECK_RET( !( aItem->GetFlags() & STRUCT_DELETED ),
wxT( "Cannot delete item that is already deleted." ) );
// Here, aItem is not null.
SCH_SCREEN* screen = GetScreen();
if( aItem->Type() == SCH_SHEET_PIN_T )
{
// This item is attached to a node, and is not accessible by the global list directly.
SCH_SHEET* sheet = (SCH_SHEET*) aItem->GetParent();
wxCHECK_RET( (sheet != NULL) && (sheet->Type() == SCH_SHEET_T),
wxT( "Sheet label has invalid parent item." ) );
SaveCopyInUndoList( (SCH_ITEM*) sheet, UR_CHANGED, aAppend );
sheet->RemovePin( (SCH_SHEET_PIN*) aItem );
m_canvas->RefreshDrawingRect( sheet->GetBoundingBox() );
}
else
{
PICKED_ITEMS_LIST itemsList;
ITEM_PICKER picker( aItem, UR_DELETED );
aItem->SetFlags( STRUCT_DELETED );
itemsList.PushItem( picker );
screen->Remove( aItem );
if( aItem->IsConnectable() && aItem->Type() != SCH_JUNCTION_T )
{
std::vector< wxPoint > pts;
aItem->GetConnectionPoints( pts );
for( auto point : pts )
{
SCH_ITEM* junction;
if( !screen->IsJunctionNeeded( point )
&& ( junction = screen->GetItem( point, 0, SCH_JUNCTION_T ) ) )
{
ITEM_PICKER picker_juction( junction, UR_DELETED );
junction->SetFlags( STRUCT_DELETED );
itemsList.PushItem( picker_juction );
screen->Remove( junction );
}
}
}
SaveCopyInUndoList( itemsList, UR_DELETED, aAppend );
m_canvas->RefreshDrawingRect( aItem->GetBoundingBox() );
}
}
void SCH_EDIT_FRAME::EndSegment( wxDC* DC )
{
SCH_SCREEN* screen = GetScreen();
SCH_LINE* segment = (SCH_LINE*) screen->GetCurItem();
if( segment == NULL || segment->Type() != SCH_LINE_T || !segment->IsNew() )
return;
// Delete zero length segments and clear item flags.
SCH_ITEM* item = s_wires.begin();
while( item )
{
item->ClearFlags();
wxCHECK_RET( item->Type() == SCH_LINE_T, wxT( "Unexpected object type in wire list." ) );
segment = (SCH_LINE*) item;
item = item->Next();
if( segment->IsNull() )
delete s_wires.Remove( segment );
}
if( s_wires.GetCount() == 0 )
return;
// Get the last non-null wire (this is the last created segment).
SetRepeatItem( segment = (SCH_LINE*) s_wires.GetLast() );
screen->SetCurItem( NULL );
m_canvas->EndMouseCapture( -1, -1, wxEmptyString, false );
// store the terminal point of this last segment: a junction could be needed
// (the last wire could be merged/deleted/modified, and lost)
wxPoint endpoint = segment->GetEndPoint();
// store the starting point of this first segment: a junction could be needed
SCH_LINE* firstsegment = (SCH_LINE*) s_wires.GetFirst();
wxPoint startPoint = firstsegment->GetStartPoint();
// Save the old wires for the undo command
DLIST< SCH_ITEM > oldWires; // stores here the old wires
GetScreen()->ExtractWires( oldWires, true ); // Save them in oldWires list
// Put the snap shot of the previous wire, buses, and junctions in the undo/redo list.
PICKED_ITEMS_LIST oldItems;
oldItems.m_Status = UR_WIRE_IMAGE;
while( oldWires.GetCount() != 0 )
{
ITEM_PICKER picker = ITEM_PICKER( oldWires.PopFront(), UR_WIRE_IMAGE );
oldItems.PushItem( picker );
}
SaveCopyInUndoList( oldItems, UR_WIRE_IMAGE );
// Remove segments backtracking over others
RemoveBacktracks( s_wires );
// Add the new wires
screen->Append( s_wires );
// Correct and remove segments that need to be merged.
screen->SchematicCleanUp();
// A junction could be needed to connect the end point of the last created segment.
if( screen->IsJunctionNeeded( endpoint ) )
screen->Append( AddJunction( DC, endpoint ) );
// A junction could be needed to connect the start point of the set of new created wires
if( screen->IsJunctionNeeded( startPoint ) )
screen->Append( AddJunction( DC, startPoint ) );
m_canvas->Refresh();
OnModify();
}
