rootshape.java

来自「mywork是rcp开发的很好的例子」· Java 代码 · 共 75 行

package net.sf.freenote.mindmap.model;

import net.sf.freenote.FreeNoteConstants;
import net.sf.freenote.mindmap.NumberPropertyDescriptor;

import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.views.properties.IPropertyDescriptor;

/**
 * 中心主题
 * @author levin
 * @since 2008-2-11 下午08:35:12
 */
public class RootShape extends BranchShape {
	private static final Image ROOT_ICON = createImage("icons/root.gif");
	
	private int major = 20;
	private int minor = 10;
	
	public RootShape() {
		super();
		setSize(new Dimension(540,380));
	}

	public Image getIcon() {
		return ROOT_ICON;
	}

	@Override
	public IPropertyDescriptor[] getPropertyDescriptors() {
		IPropertyDescriptor[] propertyDescriptors = super.getPropertyDescriptors();
		IPropertyDescriptor[] ret=new IPropertyDescriptor[propertyDescriptors.length+2];
		System.arraycopy(propertyDescriptors, 0, ret, 2, propertyDescriptors.length);
		ret[0]=new NumberPropertyDescriptor(FreeNoteConstants.MAJOR_SPACING_PROP, FreeNoteConstants.MAJOR_SPACING_PROP,int.class);
		ret[1]=new NumberPropertyDescriptor(FreeNoteConstants.MINOR_SPACING_PROP, FreeNoteConstants.MINOR_SPACING_PROP,int.class);
		return ret;
	}
	@Override
	public Object getPropertyValue(Object propertyId) {
		if(propertyId.equals(FreeNoteConstants.MAJOR_SPACING_PROP))
			return getMajor();
		if(propertyId.equals(FreeNoteConstants.MINOR_SPACING_PROP))
			return getMinor();
		return super.getPropertyValue(propertyId);
	}

	@Override
	public void setPropertyValue(Object propertyId, Object value) {
		if(propertyId.equals(FreeNoteConstants.MAJOR_SPACING_PROP))
			setMajor((Integer)value);
		if(propertyId.equals(FreeNoteConstants.MINOR_SPACING_PROP))
			setMinor((Integer)value);
		super.setPropertyValue(propertyId, value);
	}
	
	public int getMajor() {
		return major==0?major=20:major;
	}

	public void setMajor(int major) {
		this.major = major;
		firePropertyChange(FreeNoteConstants.MAJOR_SPACING_PROP, null, major);
	}

	public int getMinor() {
		return minor==0?minor=10:minor;
	}

	public void setMinor(int minor) {
		this.minor = minor;
		firePropertyChange(FreeNoteConstants.MINOR_SPACING_PROP, null, minor);
	}
}