flowstatusbar.java

JGraph扩展应用。自定义Renderer,自定义视图View实现自定义工作流控件

/**
 * 
 */
package flow.graph.gui.graph;

import java.awt.BorderLayout;

import javax.swing.BorderFactory;
import javax.swing.JLabel;

/**
 * @author Administrator
 *
 */
public class FlowStatusBar extends StatusBarGraphListener {
	/**
	 * 
	 */
	protected JLabel leftSideStatus;

	/**
	 * contains the scale for the current graph
	 */
	protected JLabel rightSideStatus;

	/**
	 * Constructor for GPStatusBar.
	 * 
	 */
	public FlowStatusBar() {
		super();
		// Add this as graph model change listener
		setLayout(new BorderLayout());
		leftSideStatus = new JLabel("工作流管理系统");
		rightSideStatus = new JLabel("0/0Mb");
		leftSideStatus.setBorder(BorderFactory.createLoweredBevelBorder());
		rightSideStatus.setBorder(BorderFactory.createLoweredBevelBorder());
		add(leftSideStatus, BorderLayout.CENTER);
		add(rightSideStatus, BorderLayout.EAST);
	}

	protected void updateStatusBar() {
		Runtime runtime = Runtime.getRuntime();
		int freeMemory = (int) (runtime.freeMemory() / 1024);
		int totalMemory = (int) (runtime.totalMemory() / 1024);
		int usedMemory = (totalMemory - freeMemory);
		String str = (usedMemory / 1024) + "/" + (totalMemory / 1024)
				+ "Mb";
		rightSideStatus.setText(str);
	}

	/**
	 * @return Returns the leftSideStatus.
	 */
	public JLabel getLeftSideStatus() {
		return leftSideStatus;
	}

	/**
	 * @param leftSideStatus
	 *            The leftSideStatus to set.
	 */
	public void setLeftSideStatus(JLabel leftSideStatus) {
		this.leftSideStatus = leftSideStatus;
	}

	/**
	 * @return Returns the rightSideStatus.
	 */
	public JLabel getRightSideStatus() {
		return rightSideStatus;
	}

	/**
	 * @param rightSideStatus
	 *            The rightSideStatus to set.
	 */
	public void setRightSideStatus(JLabel rightSideStatus) {
		this.rightSideStatus = rightSideStatus;
	}
}