java文本编辑器v2.0 图形用户界面(二)
((String)combox_size.getSelectedItem());
Font font = ta.getFont(); //获得文本区的当前字体对象
int style = font.getStyle(); //获得字形
ta.setFont(new Font(fontname, style, size));
}
});
////////////////////字号加减按钮
button_larger=new JButton("A+");
toolbar.add(button_larger);
button_larger.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String fontname = (String)combox_name.getSelectedItem();//获得字体名
Font font = ta.getFont(); //获得文本区的当前字体对象
int style = font.getStyle(); //获得字形
int size = font.getSize()+5;
ta.setFont(new Font(fontname, style, size));
}
});
button_smaller=new JButton("A-");
toolbar.add(button_smaller);
button_smaller.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String fontname = (String)combox_name.getSelectedItem();//获得字体名
Font font = ta.getFont(); //获得文本区的当前字体对象
int style = font.getStyle(); //获得字形
int size = font.getSize()-5;
ta.setFont(new Font(fontname, style, size));
}
});
/////////////////J
/////////////////粗体和斜体
checkb_bold = new JCheckBox("粗体"); //字形复选框
toolbar.add(checkb_bold);
checkb_bold.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String fontname = (String)combox_name.getSelectedItem();//获得字体名
Font font = ta.getFont(); //获得文本区的当前字体对象
int style = font.getStyle(); //获得字形
int size = font.getSize();
style = style ^ 1;
ta.setFont(new Font(fontname, style, size));
}
});
checkb_italic = new JCheckBox("斜体");
toolbar.add(checkb_italic);
checkb_italic.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String fontname = (String)combox_name.getSelectedItem();//获得字体名
Font font = ta.getFont(); //获得文本区的当前字体对象
int style = font.getStyle(); //获得字形
int size = font.getSize();
style = style ^ 2;
ta.setFont(new Font(fontname, style, size));
}
});
////////////////
JRadioButton radiob_color[];
String colorstr[]={"红","绿","蓝"};
ButtonGroup bgroup_color = new ButtonGroup(); //按钮组
radiob_color = new JRadioButton[colorstr.length]; //颜色单选按钮数组
for (int i=0; i