fontchoose.java

Java编写的记事本编辑器源码

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
public class fontChoose extends JDialog implements ActionListener,ListSelectionListener{
	JTextField jtfName,jtfStyle,jtfSize;
	JList listName,listStyle,listSize;
	JButton bOk,bCancel;
	Font f;
	myText mfm;
	public fontChoose(myText frame){
		setTitle("字体");
		this.mfm=frame;
		this.setBounds(300, 200,500,400);
		this.setResizable(false);
		setVisible(true);
		
		setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
		createW();
		this.validate();
	}
	private void createW(){
		GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
		String fontNames[]=ge.getAvailableFontFamilyNames();
		String fontSizes[]={"8", "10", "12", "14", "16", 
	      "18", "20", "24", "30", "36", "40", 
	      "48", "60", "72"};
		String fontStyles[]={"常规","粗体","斜体","粗斜体"};
		jtfStyle=new JTextField(8);
		jtfSize=new JTextField(8);
		jtfName=new JTextField();
		listName=new JList(fontNames);
		listSize=new JList(fontSizes);
		listStyle=new JList(fontStyles);
		
		bOk=new JButton("确定");
		bCancel=new JButton("取消");

		setBuju();
		this.validate();
		addEvent();
		
		listName.setSelectedIndex(157);
		listStyle.setSelectedIndex(0);
		listSize.setSelectedIndex(2);

	}
	private void addEvent() {
		listName.addListSelectionListener(this);
		listStyle.addListSelectionListener(this);
		listSize.addListSelectionListener(this);
		bOk.addActionListener(this);
		bCancel.addActionListener(this);
	}
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==bOk){
			int fontStyle=0;
			if (jtfStyle.getText().equals("常规")){
				fontStyle=Font.PLAIN;
			}else if(jtfStyle.getText().equals("粗体")){
				fontStyle=Font.BOLD;
			}else if(jtfStyle.getText().equals("斜体")){
				fontStyle=Font.ITALIC;
			}else if(jtfStyle.getText().equals("粗斜体")){
				fontStyle=Font.BOLD +Font.ITALIC;
			}
			f=new Font(jtfName.getText(),fontStyle,Integer.parseInt(jtfSize.getText()));
			System.out.println(jtfName.getText()+","+fontStyle+","+Integer.parseInt(jtfSize.getText()));
			setF(f);
			mfm.setfont1();
		}		
	}

	public void setF(Font f) {
		this.f=f;
		
	}
	public  Font getF(){
		
		return f;
	}
	public void valueChanged(ListSelectionEvent e) {
		if(e.getSource()==listName){
			jtfName.setText(listName.getSelectedValue().toString());
		}else if (e.getSource()==listStyle){
			jtfStyle.setText(listStyle.getSelectedValue().toString());
			
		}else if (e.getSource()==listSize){
			jtfSize.setText(listSize.getSelectedValue().toString());
		}
		
	}
	private void setBuju() {
		JScrollPane jsp1,jsp2,jsp3;
		jsp1=new JScrollPane(listName);
		jsp2=new JScrollPane(listStyle);
		jsp3=new JScrollPane(listSize);
		JPanel p1=new JPanel();
		Box baseBox,box1,box2,box3,box4;
		baseBox=Box.createHorizontalBox();
		box1=Box.createVerticalBox();
		box2=Box.createVerticalBox();
		box3=Box.createVerticalBox();
		box4=Box.createVerticalBox();
		box1.add(jtfName);
		box1.add(Box.createVerticalStrut(4));
		box1.add(jsp1);
		box2.add(jtfStyle);
		box2.add(Box.createVerticalStrut(4));
		box2.add(jsp2);
		box3.add(jtfSize);
		box3.add(Box.createVerticalStrut(4));
		box3.add(jsp3);
		box4.add(bOk);
		box4.add(Box.createVerticalStrut(4));
		box4.add(bCancel);
		p1.add(box4);
		baseBox.add(box1);
		baseBox.add(Box.createHorizontalStrut(12));
		baseBox.add(box2);
		baseBox.add(Box.createHorizontalStrut(12));
		baseBox.add(box3);
		baseBox.add(Box.createHorizontalStrut(12));
		baseBox.add(p1);
		setLayout(new FlowLayout());
		add(baseBox);
		
	}
	public static void main(String[] args) {
		//new JFontChooser();
	}

}