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ConnectCmd

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ConnectCmd: editing commands

NAME

ConnectCmd, CopyCmd, CutCmd, DeleteCmd, DupCmd, MobilityCmd, PasteCmd, RedoCmd, ReplaceCmd, SlctAllCmd, UndoCmd - editing commands

SYNOPSIS

#include <Unidraw/Commands/edit.h>

DESCRIPTION

The Unidraw library defines several commands that offer common component editing functionality. ConnectCmd is a non-interpretive command that connects two connectors. CopyCmd copies selected components onto its clipboard (if it defines one) or onto the global clipboard. CutCmd, DeleteCmd, DupCmd, and PasteCmd are purely interpretive commands that are always interpreted by their editor's component. MobilityCmd gives selected components the opportunity to set their mobility based on the value it provides. UndoCmd and RedoCmd are non-interpretive commands that simply undo and redo the last command that affected their editor's component. ReplaceCmd replaces selected components with the component it stores. Finally, SlctAllCmd is a non- interpretive command that selects all the components displayed in its editor.
CONNECTCMD PUBLIC OPERATIONS
ConnectCmd( ControlInfo*, Connector* source = nil, Connector* target = nil ) ConnectCmd(Editor* = nil, Connector* = nil, Connector* = nil) The ConnectCmd constructor optionally takes two connectors as parameters, the source and the target. When executed, it will call Connect on source with target as its argument. It will also set the source's mobility to floating. void GetConnectors(Connector*& source, Connector*& target) Return the connectors supplied in the constructor.
COPYCMD PUBLIC OPERATIONS
CopyCmd(ControlInfo*, Clipboard* = nil) CopyCmd(Editor* = nil, Clipboard* = nil) Create a CopyCmd instance, optionally specifying a clipboard in which to store copied components. virtual void Execute() Execute does nothing if no components are selected. Otherwise, Execute places a copy of the selected components onto the CopyCmd's clipboard if is non-nil or else onto the global clipboard (obtained from the catalog). virtual boolean Reversible() CopyCmd is not reversible.

CUTCMD PUBLIC OPERATIONS

CutCmd(ControlInfo*, Clipboard* = nil) CutCmd(Editor* = nil, Clipboard* = nil) Create a CutCmd instance, optionally specifying a clipboard in which to store the components that were cut. virtual void Execute() virtual void Unexecute() CutCmd redefines these operations to let the editor's component interpret it. Execute will set the value of the _executed protected member variable to true as a side effect. Similarly, Unexecute will reset the value to false as a side effect.

DELETECMD PUBLIC OPERATIONS

DeleteCmd(ControlInfo*, Clipboard* = nil) DeleteCmd(Editor* = nil, Clipboard* = nil) Create a DeleteCmd instance, optionally specifying a clipboard in which to store the components that were deleted. virtual void Execute() virtual void Unexecute() DeleteCmd redefines these operations to let the editor's component interpret it. Execute will set the value of the _executed protected member variable to true as a side effect. Similarly, Unexecute will reset the value to false as a side effect.

DUPCMD PUBLIC OPERATIONS

DupCmd(ControlInfo*, Clipboard* = nil) DupCmd(Editor* = nil, Clipboard* = nil) Create a DupCmd instance, optionally specifying a clipboard in which to store the components that were duplicated. virtual void Execute() virtual void Unexecute() DupCmd redefines these operations to let the editor's component interpret it. Execute will set the value of the _executed protected member variable to true as a side effect. Similarly, Unexecute will reset the value to false as a side effect.

MOBILITYCMD PUBLIC OPERATIONS

MobilityCmd(ControlInfo*, Mobility = Fixed) MobilityCmd(Editor* = nil, Mobility = Fixed) Create a MobilityCmd instance, optionally specifying the mobility that interpreting components may use. Mobility GetMobility() Return the mobility specified in the constructor.
PASTECMD PUBLIC OPERATIONS
PasteCmd(ControlInfo*, Clipboard* = nil) PasteCmd(Editor* = nil, Clipboard* = nil) Create a PasteCmd instance, optionally specifying a clipboard in which to store the components that will be pasted. virtual void Execute() virtual void Unexecute() PasteCmd redefines these operations to let the editor's component interpret it. Execute will set the value of the _executed protected member variable to true as a side effect. Similarly, Unexecute will reset the value to false as a side effect. virtual boolean Reversible() PasteCmd is reversible if either its clipboard or the global clipboard is non-empty.
REDOCMD PUBLIC OPERATIONS
RedoCmd(ControlInfo*) RedoCmd(Editor* = nil) Construct a new RedoCmd. virtual boolean Reversible() RedoCmd is not reversible.

REPLACECMD PUBLIC OPERATIONS

ReplaceCmd(ControlInfo*, GraphicComp* replacement = nil) ReplaceCmd(Editor* = nil, GraphicComp* replacement = nil) Create a new ReplaceCmd, optionally supplying the GraphicComp that will replace those that are selected. GraphicComp* GetReplacement() Return the replacement GraphicComp supplied in the constructor.

SLCTALLCMD PUBLIC OPERATIONS

SlctAllCmd(ControlInfo*) SlctAllCmd(Editor* = nil) Construct a new SlctAllCmd. virtual boolean Reversible() SlctAllCmd is not reversible.

UNDOCMD PUBLIC OPERATIONS

UndoCmd(ControlInfo*) UndoCmd(Editor* = nil) Construct a new UndoCmd. virtual boolean Reversible() UndoCmd is not reversible.

SEE ALSO

Catalog, Clipboard, Command, Connector, GraphicComp, globals CONNECTCMD(3)
 
 
 

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