在阅读用JhotDraw创建的JModeller示例程序时,无法理解setClassNameFigure调用(红色部分)时的语法格式,急盼哪位仁兄指点!
public class ClassFigure extends GraphicalCompositeFigure {
....
protected void setClassNameFigure(TextFigure newClassNameFigure) {
myClassNameFigure = newClassNameFigure;
} protected void initialize() {
...
setClassNameFigure(new TextFigure() {
public void setText(String newText) {
super.setText(newText);
getModellerClass().setName(newText);
update();
}
});
...}...
}}
public class ClassFigure extends GraphicalCompositeFigure {
....
protected void setClassNameFigure(TextFigure newClassNameFigure) {
myClassNameFigure = newClassNameFigure;
} protected void initialize() {
...
setClassNameFigure(new TextFigure() {
public void setText(String newText) {
super.setText(newText);
getModellerClass().setName(newText);
update();
}
});
...}...
}}
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{
public void setText(String newText) {
super.setText(newText);
getModellerClass().setName(newText);
update();
}
}
这种语法格式实在是不明白
public class ClassFigure extends GraphicalCompositeFigure {
....
protected void setClassNameFigure(TextFigure newClassNameFigure) {
myClassNameFigure = newClassNameFigure;
}protected void initialize() {
...
setClassNameFigure(new TextFigure() {//匿名内部类
public void setText(String newText) {
super.setText(newText);
getModellerClass().setName(newText);
update();
}
});
...}...
}}
窗口关闭写法类似:
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;import javax.swing.JFrame;public class T1 extends JFrame{
public T1(){
this.setVisible(true);
this.addWindowListener(new WindowAdapter(){
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
public static void main(String[] args) {
new T1(); }
}