jfig.commands
Class CreateTriggerCommand

java.lang.Object
  jfig.commands.Command
      jfig.commands.CreateTriggerCommand

public class CreateTriggerCommand

extends Command

create a jfig trigger (hyperlink) object.

CreateTriggerCommand is used to create jfig trigger/hyperlink objects. When clicked on the rectangular active area of a trigger object, the jfig viewer will load the FIG file/URL/resource specified by the trigger.

Please note that triggers are not FIG compatible and will not be usable with other FIG tools (like fig2dev and transfig) except the jfig viewer.

Field Summary

protected FigAttribs	attribs
(package private) static EditTriggerDialog	editTriggerDialog
(package private) static java.awt.Frame	frame
(package private) static java.lang.String	lastBasename
(package private) static java.lang.String	lastFilename
protected int	n_points
protected java.awt.Point	P1
protected java.awt.Point	P2
protected FigTrigger	trigger

Fields inherited from class jfig.commands.Command

editor, objectCanvas, ready

Constructor Summary

CreateTriggerCommand(FigBasicEditor editor, FigCanvas objectCanvas)

Method Summary

void	execute() execute the current editor command This method is empty for class Command.
java.lang.String	getDescription() one-line description of this command return a one-line desription of this command, e.g. to label the undo/redo buttons, if any
FigObject[]	getModifiedObjects() return an array-wrapped reference to the trigger object created by this command.
void	mousePressed(FigCanvasEvent evt) react to a mouse click on the editor canvas This method provides the central callback from the editor to its current command object.
java.lang.String	toString() return a (possibly verbose) description of this Command object
void	undo() undo this command Try to undo this command as far as possible.

Methods inherited from class jfig.commands.Command

cancel, isReady, message, notifyEditor, statusMessage

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

n_points

protected int n_points

trigger

protected FigTrigger trigger

attribs

protected FigAttribs attribs

P1

protected java.awt.Point P1

P2

protected java.awt.Point P2

frame

static java.awt.Frame frame

editTriggerDialog

static EditTriggerDialog editTriggerDialog

lastBasename

static java.lang.String lastBasename

lastFilename

static java.lang.String lastFilename

Constructor Detail

CreateTriggerCommand

public CreateTriggerCommand(FigBasicEditor editor,
                            FigCanvas objectCanvas)

Method Detail

getModifiedObjects

public FigObject[] getModifiedObjects()

return an array-wrapped reference to the trigger object created by this command. The trigger object reference may be null.

Overrides:

getModifiedObjects in class Command

execute

public void execute()

Description copied from class: Command

execute the current editor command

This method is empty for class Command.

Overrides:

execute in class Command

undo

public void undo()

Description copied from class: Command

undo this command

Try to undo this command as far as possible. Don't try to undo() a command that has never been execute()d before. This method is empty for class Command.

Overrides:

undo in class Command

mousePressed

public void mousePressed(FigCanvasEvent evt)

Description copied from class: Command

react to a mouse click on the editor canvas

This method provides the central callback from the editor to its current command object. Passing a FigCanvasEvent parameter, the editor provides information both about the screen coordinates and the world coordinates of the mouse event.

Naturally, mouse presses are ignored for class Command.

Overrides:

mousePressed in class Command

getDescription

public java.lang.String getDescription()

Description copied from class: Command

one-line description of this command

return a one-line desription of this command, e.g. to label the undo/redo buttons, if any

Overrides:

getDescription in class Command

toString

public java.lang.String toString()

Description copied from class: Command

return a (possibly verbose) description of this Command object

Overrides:

toString in class Command