基于Java的界面布局DSL的設計與實現[4]

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public class beside implements Component {
private Component left,right;
private float ratio;
public beside(Component left,Component right,float ratio){
this.left = left;
this.right = right;
this.ratio = ratio;
}
public Component at(int x,int y,int width,int height) {
left.at(x, y, width*ratio,height);
right.at(x+ width*ratio, y, width*(1-ratio),height);
return this;
}
public Component in(Container parent) {
left.in(parent);
right.in (parent);
return this;
}
……
}

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