统一设置字体和颜色简单实现换肤功能

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swing

Swing

通过统一设置界面中所有组件的字体和颜色可以简单的实现“换肤”功能。

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Font;

public class GuiTool {
	 /**
     * 统一设置字体和颜色
     * @param Comp 组件(容器)
     * @param font 字体
     * @param back 背景色
     * @param fore 前景色
     */
	public static void setGlobalFontAndColor(Component Comp,Font font,Color back,Color fore) {
	    Comp.setFont(font);
	    Comp.setBackground(back);
	    Comp.setForeground(fore);
	    if (Comp instanceof Container) {
	    	Component[] components = ((Container)Comp).getComponents();
	    	for (int i = 0; i < components.length; i++) {
		        Component child = components[i];
		        setGlobalFontAndColor(child,font,back,fore);
	    	}
	    }
	 }

	public static Font getFont(String s_type,String s_style,int  size){
		int tyle = Font.PLAIN;
		if(s_style.equals("Blod")){
			tyle = Font.BOLD;
		}else if(s_style.equals("Italic")){
			tyle = Font.ITALIC;
		}
		return new Font(s_type,tyle,size);
	}
	
	public static Color[] getColor(String colorze){

		Color[] colors = new Color[2];
		colors[0] = Color.BLACK;
		colors[1] = Color.WHITE;
		if(colorze!=null){
			if(colorze.equals("黑-红")){
				colors[0] = Color.BLACK;
				colors[1] = Color.RED;
			}
			if(colorze.equals("灰-绿")){
				colors[0] = Color.LIGHT_GRAY;
				colors[1] = Color.GREEN;
			}
			if(colorze.equals("粉-蓝")){
				colors[0] = Color.PINK;
				colors[1] = Color.BLUE;
			}
			if(colorze.equals("橙-紫")){
				colors[0] = Color.ORANGE;
				colors[1] = Color.MAGENTA;
			}
			if(colorze.equals("青-黄")){
				colors[0] = Color.CYAN;
				colors[1] = Color.YELLOW;
			}
		}
		return colors;
	}
}

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class ThemeStyle extends JFrame{
	private JPanel p1,p2;
	private JLabel l1,l2,l3;
	private JComboBox type,style,size,color;
	private JCheckBox reset;
	private JScrollPane sp;
	private JTextArea ta;
	private JButton b;
	public ThemeStyle() {
		init();
		display();
		this.setTitle("Java简单实现换肤功能");
		this.setLocationRelativeTo(null);//窗口居中
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	
	public void init(){
		String[] s_type = {"宋体","Serif","Dialog",};
		String[] s_style = {"Plain","Blod","Italic"};
		String[] s_size = {"9","10","11","12","13","14","15"};
		String[] s_color = {"黑-白","黑-红","灰-绿","粉-蓝","橙-紫","青-黄"};
		p1 = new JPanel(new FlowLayout(FlowLayout.LEFT));
		p2 = new JPanel();
		l1 = new JLabel("设置字体：");
		l2 = new JLabel("设置颜色：");
		reset = new JCheckBox("窗口自适");
		reset.setToolTipText("窗口大小自动适应");
		type = new JComboBox(s_type);
		style = new JComboBox(s_style);
		size = new JComboBox(s_size);
		size.setSelectedItem("12");
		color = new JComboBox(s_color);
		color.setToolTipText("背景色-前景色");
		size.setMaximumRowCount(5);
		ta = new JTextArea();
		sp = new JScrollPane(ta);
		sp.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
		b = new JButton("OK");
		l3 = new JLabel("<html><hr>Developed by Kinganpo in Shanghai.2011-01-17 <hr></html>");
		p1.add(l1);
		p1.add(type);
		p1.add(style);
		p1.add(size);
		p1.add(l2);
		p1.add(color);
		p1.add(reset);
		p1.add(b);
		p2.add(l3);
		add(p1,BorderLayout.NORTH);
		add(sp,BorderLayout.CENTER);
		add(p2,BorderLayout.SOUTH);
		ta.setText("利用统一改变界面所有组件的字体及颜色来实现简单的换肤功能!\n" +
				"setGlobalFontAndColor(Component Comp,\n" +
				"Font font,Color back,Color fore)\n" +
				"遍历组件进行统一设置\n" +
				"再setVisible(true)显示出来！\n" +
				"================================\n\n");
		ta.setLineWrap(true);
		ta.setEditable(false);
		b.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				display();
			}
		});
	}
	
	public void display(){
		this.dispose();
		String s_type = (String)type.getSelectedItem();
		String s_style = (String)style.getSelectedItem();
		int s_size = Integer.parseInt((String)size.getSelectedItem());
		Font font = GuiTool.getFont(s_type, s_style, s_size);
		Color[] colors = GuiTool.getColor((String)color.getSelectedItem());
		
		GuiTool.setGlobalFontAndColor(this,font,colors[0],colors[1]);
		
		if(reset.isSelected()){
			this.pack();
		}else{
			this.setSize(600,450);	
		}
		ta.append(font.toString()+"\n");
		ta.append(colors[0].toString()+"\n");
		ta.append(colors[1].toString()+"\n\n");
		this.setVisible(true);
	}
	
	public static void main(String[] args) {
		new ThemeStyle();
	}
}