// **********************************************************************
//
// <copyright>
//
// BBN Technologies
// 10 Moulton Street
// Cambridge, MA 02138
// (617) 873-8000
//
// Copyright (C) BBNT Solutions LLC. All rights reserved.
//
// </copyright>
// **********************************************************************
//
// $Source:
// /cvs/distapps/openmap/src/openmap/com/bbn/openmap/omGraphics/editable/PolyDeleteNodeState.java,v
// $
// $RCSfile: PolyDeleteNodeState.java,v $
// $Revision: 1.5 $
// $Date: 2005/08/10 22:27:16 $
// $Author: dietrick $
//
// **********************************************************************
package com.bbn.openmap.omGraphics.editable;
import java.awt.event.MouseEvent;
import com.bbn.openmap.omGraphics.EditableOMGraphic;
import com.bbn.openmap.omGraphics.EditableOMPoly;
import com.bbn.openmap.omGraphics.GrabPoint;
import com.bbn.openmap.omGraphics.event.EOMGEvent;
import com.bbn.openmap.util.Debug;
import com.bbn.openmap.util.stateMachine.State;
public class PolyDeleteNodeState
extends State {
protected EditableOMGraphic graphic;
public PolyDeleteNodeState(EditableOMPoly eomg) {
graphic = eomg;
}
/**
* In this state, we need to change states only if the graphic, or anyplace
* off the graphic is pressed down on. If the end points are clicked on,
* then we do nothing except set the moving point and go to edit mode.
*/
public boolean mouseReleased(MouseEvent e) {
Debug.message("eomg", "GraphicStateMachine|delete node state|mouseReleased");
GrabPoint mp = graphic.getMovingPoint(e);
// If the graphic itself was clicked on, then just go to
// selected
// mode.
if (mp != null) {
int index = ((EditableOMPoly) graphic).whichGrabPoint(mp);
if (index != EditableOMPoly.OFFSET_POINT_INDEX) {
((EditableOMPoly) graphic).deletePoint(index);
graphic.fireEvent(EOMGCursors.DEFAULT, "", e, EOMGEvent.EOMG_UNDO);
graphic.fireEvent(EOMGEvent.EOMG_SELECTED);
}
}
graphic.getStateMachine().setSelected();
graphic.redraw(e, true);
return false;
}
public boolean mouseMoved(MouseEvent e) {
Debug.message("eomgdetail", "PolyStateMachine|delete node state|mouseMoved");
GrabPoint mp = graphic.getMovingPoint(e);
if (mp != null) { // Only change the cursor over a node
// if (graphic.getGraphic().distance(e.getX(), e.getY()) <
// 2)
// {
graphic.fireEvent(EOMGCursors.EDIT,
i18n.get(PolyDeleteNodeState.class, "Click_a_node_to_delete_it.", "Click a node to delete it."),
EOMGEvent.EOMG_UNCHANGED);
} else {
graphic.fireEvent(EOMGCursors.DEFAULT,
i18n.get(PolyDeleteNodeState.class, "Click_a_node_to_delete_it.", "Click a node to delete it."),
EOMGEvent.EOMG_UNCHANGED);
}
return false;
}
public boolean mouseDragged(MouseEvent e) {
Debug.message("eomgdetail", "PolyStateMachine|delete node state|mouseDragged");
if (graphic.getGraphic().distance(e.getX(), e.getY()) < 2) {
graphic.fireEvent(EOMGCursors.EDIT, i18n.get(PolyDeleteNodeState.class, "Release_over_a_node_to_delete_it.",
"Release over a node to delete it."), EOMGEvent.EOMG_UNCHANGED);
} else {
graphic.fireEvent(EOMGCursors.DEFAULT, i18n.get(PolyDeleteNodeState.class, "Release_over_a_node_to_delete_it.",
"Release over a node to delete it."), EOMGEvent.EOMG_UNCHANGED);
}
return false;
}
}