?? connectionendpointeditpolicyex.java
字號:
/*******************************************************************************
* $Header: /cvsroot/EOS6/work_dir/niegy/com.primeton.studio.gef.ui/src/com/primeton/studio/gef/ui/ui/policy/ConnectionEndpointEditPolicyEx.java,v 1.1 2006/12/05 05:18:59 niegy Exp $
* $Revision: 1.1 $
* $Date: 2006/12/05 05:18:59 $
*
*==============================================================================
*
* Copyright (c) 2001-2006 Primeton Technologies, Ltd.
* All rights reserved.
*
* Created on 2006-11-29
*******************************************************************************/
package com.primeton.studio.gef.ui.ui.policy;
import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.gef.editpolicies.ConnectionEndpointEditPolicy;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
/**
* 選中連線時設置連線的式樣
*
* @author niegy (mailto:niegy@primeton.com)
*/
/*
* 修改歷史
* $Log: ConnectionEndpointEditPolicyEx.java,v $
* Revision 1.1 2006/12/05 05:18:59 niegy
* 修改模型,增加連線的擴展點
*
*/
public class ConnectionEndpointEditPolicyEx extends
ConnectionEndpointEditPolicy {
private static Font BOLD_FONT;
protected void addSelectionHandles(){
super.addSelectionHandles();
getConnectionFigure().setLineWidth(2);
}
protected PolylineConnection getConnectionFigure(){
return (PolylineConnection)getHostFigure();
}
/**
* 未被選中時的動作
*/
protected void hideSelection() {
super.hideSelection();
getHostFigure().setFont(null);
getHostFigure().invalidateTree();
}
protected void removeSelectionHandles(){
super.removeSelectionHandles();
getConnectionFigure().setLineWidth(0);
}
/**
* 選中連線
*/
protected void showSelection() {
super.showSelection();
if (BOLD_FONT == null) {
FontData[] data = getConnectionFigure().getFont().getFontData();
for (int i = 0; i < data.length; i++)
if ((data[i].getStyle() & SWT.BOLD) == 0)
data[i].setStyle(data[i].getStyle() | SWT.BOLD);
BOLD_FONT = new Font(null, data);
}
getHostFigure().setFont(BOLD_FONT);
getHostFigure().invalidateTree();
}
}
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