columnbuttonscrollpanelayout.java

来自「tame,扩展了好多SWing组件:JTable」· Java 代码 · 共 43 行

package tame.layout;

import java.awt.*;

import javax.swing.*;

/**
@author Nobuo Tamemasa
@version 1.0 05/29/99
*/
public class ColumnButtonScrollPaneLayout extends  ScrollPaneLayout {

  public ColumnButtonScrollPaneLayout() {
    super.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
  }

  public void setVerticalScrollBarPolicy(int x) {
    // VERTICAL_SCROLLBAR_ALWAYS
    super.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
  }

  public void layoutContainer(Container parent) {
    super.layoutContainer(parent);

    if ((colHead == null) || (! colHead.isVisible()) ||
        (upperRight == null) || (vsb == null)) {
      return;
    }

    Rectangle vsbR = new Rectangle(0, 0, 0, 0);
    vsbR = vsb.getBounds(vsbR);

    Rectangle colHeadR = new Rectangle(0, 0, 0, 0);
    colHeadR = colHead.getBounds(colHeadR);
    colHeadR.width -= vsbR.width;
    colHead.getBounds(colHeadR);

    Rectangle upperRightR = upperRight.getBounds();
    upperRightR.x     -= vsbR.width;
    upperRightR.width += vsbR.width + 1;
    upperRight.setBounds(upperRightR);
  }
}