fontsizecombobox.java

来自「模仿腾讯QQ的」· Java 代码 · 共 39 行

package com.softfz.jn0708.chat.sendpanel.fontpanel.fontsizecombobox;

import java.awt.Dimension;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
/**
 * 字体大小 下拉列表 
 * @author admin
 *
 */


public class FontSizeComboBox extends JComboBox {
	public FontSizeComboBox(int fromSize, int toSize) throws Exception{
		super();
		this.setPreferredSize(new Dimension(38,20));
		//this.setMinimumSize(new Dimension(347,80));
		this.setMaximumSize(new Dimension(38,20));  		
		if (fromSize < 0 || toSize > 100 || fromSize > toSize)
			throw new Exception("字号设置错误");
		
    	DefaultComboBoxModel model = new DefaultComboBoxModel();
    	for(int i = fromSize; i <= toSize; i++){
    		model.addElement("" + i);
    	}
    	setModel(model);
		
	}
	/**
	 * 返回选择的值
	 * @return
	 */
	public int getSelectedSize(){
		
		return Integer.parseInt((String)getSelectedItem());
	}
		
}