properties.java

JavaMapper是一个免费的Java应用程序

import java.awt.*;
import java.awt.event.*;

public class Properties extends Frame implements ItemListener,FocusListener,ActionListener {
	
	JavaMapperFrame frame;
	
	private TextField mapname,areaname,areaurl;
	private Button setinfo;
	private List areas;
	private int index;
	public Checkbox saveNames;

	private SaveNamesListener saveNamesListener;
	
	public Properties(JavaMapperFrame frame) {
		super("Map Properties");
		this.frame = frame;
		
		saveNamesListener = new SaveNamesListener();
		
		Panel topPanel = new Panel();
		
		mapname = new TextField(12);
		mapname.addFocusListener(this);
		mapname.addActionListener(this);
		topPanel.add(new Label("Map Name: "));
		topPanel.add(mapname);
		
		Panel buttonsPanel = new Panel();

		GridBagLayout bag = new GridBagLayout();
		buttonsPanel.setLayout(bag);
		GridBagConstraints c = new GridBagConstraints();
		c.fill = GridBagConstraints.HORIZONTAL;
		c.weightx = 1.0;
		c.gridwidth = GridBagConstraints.REMAINDER;
		c.anchor = GridBagConstraints.NORTH;
		
		Label lareaname = new Label("Area Name");
		bag.setConstraints(lareaname,c);
		buttonsPanel.add(lareaname);
		
		areaname = new TextField(12);
		areaname.addFocusListener(this);
		areaname.addActionListener(this);
		bag.setConstraints(areaname,c);
		buttonsPanel.add(areaname);
		
		Label lareaurl = new Label("Area URL");
		bag.setConstraints(lareaurl,c);
		buttonsPanel.add(lareaurl);

		areaurl = new TextField(12);
		areaurl.addFocusListener(this);
		areaurl.addActionListener(this);
		bag.setConstraints(areaurl,c);
		buttonsPanel.add(areaurl);

		Panel mainPanel = new Panel();
		mainPanel.setLayout(new GridLayout(1,2,0,0));
		
		areas = new List(10);
		areas.addItemListener(this);
		
		mainPanel.add(areas);
		mainPanel.add(buttonsPanel);
		
		Panel bottomPanel = new Panel();
		saveNames = new Checkbox("save area names in client-side output");
		saveNames.setState(false);
		saveNames.addItemListener(saveNamesListener);
		bottomPanel.add(saveNames);
		
		setLayout(new BorderLayout());
		add("North",topPanel);
		add("Center",mainPanel);
		add("South",bottomPanel);

		setBackground(new Color(192,192,192));		
		setSize(400,300);
		this.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				close();
		}});
	}

	public void itemStateChanged(ItemEvent e) {
		List list = (List)(e.getSource());
		int i = list.getSelectedIndex();
		index = i;
		frame.setTool(frame.mSelect);
		areaurl.setText(frame.canvas.tool.shapes[i].getURL());
		areaname.setText(frame.canvas.tool.shapes[i].getName());
		frame.canvas.tool.deselectShape();
		frame.canvas.tool.currentShape = frame.canvas.tool.shapes[i];
		frame.canvas.tool.selectShape();
		frame.canvas.repaint();
	}
	
	public void actionPerformed(ActionEvent e) {
		setFields();
	}

	public void focusGained(FocusEvent e) {
		if (index!=-1) {
			if (areaname.getText() != areas.getItem(index)) {
				areas.removeAll();
				for (int i=0;i<frame.canvas.tool.nShapes;i++) {
					areas.addItem(frame.canvas.tool.shapes[i].getName());
				}
				areas.select(index);
			}
		}
	}

	public void focusLost(FocusEvent e) {
		setFields();
	}
		
	public void setFields() {
		frame.mapName = mapname.getText();
		if (index!=-1) {
			if (frame.canvas.tool.shapes[index]!=null) {
				if (frame.canvas.tool.shapes[index].getName() != areaname.getText()) {
					frame.canvas.tool.shapes[index].setName(areaname.getText());
				}
				if (frame.canvas.tool.shapes[index].getURL() != areaurl.getText()) {
					frame.canvas.tool.shapes[index].setURL(areaurl.getText());
				}
			}
		}
		frame.previewFrame.refresh();
	}
	
	public void refresh() {
		areas.removeAll();
		frame.canvas.tool.remakeShapes();
		for (int i=0;i<frame.canvas.tool.nShapes;i++) {
			areas.addItem(frame.canvas.tool.shapes[i].getName());
		}
		int i = frame.canvas.tool.getSelectedIndex();
		if (i!=-1) {
			areas.select(i);
			areas.makeVisible(i);
			areaurl.setText(frame.canvas.tool.shapes[i].getURL());
			areaname.setText(frame.canvas.tool.shapes[i].getName());
			index = i;
		}
		else {
			areaurl.setText("");
			areaname.setText("");
			index = -1;
		}
	}

	private void close() {
		setVisible(false);
	}
	
	private class SaveNamesListener implements ItemListener {
		public void itemStateChanged(ItemEvent e) {
			if (e.getStateChange() == ItemEvent.SELECTED) frame.saveNames = true;
			else frame.saveNames = false;
			frame.previewFrame.refresh();
		}
	}

}