|
1 package org.netbeans.modules.welcome.ui;
2
3 import java.awt.Component  ;
4 import java.awt.Dimension ;
5 import javax.swing.JComponent ;
6 import javax.swing.JScrollPane ;
7 import org.netbeans.modules.welcome.content.Constants;
8 import org.openide.windows.TopComponent;
9
10 class RelativeSizeScrollPane extends JScrollPane implements Constants{
11
12 private float relativeHeight;
13 private int minHeight;
14
15 public RelativeSizeScrollPane( JComponent c, float relativeHeight, int minHeight ) {
16 super( c );
17 this.relativeHeight = relativeHeight;
18 this.minHeight = minHeight;
19 }
20
21 public Dimension getPreferredSize() {
22 Dimension retValue = super.getPreferredSize();
23
24 Component parent = getParent();
25 while (null != parent) {
26 if (parent instanceof TopComponent) {
27 retValue.height = (int) ((parent.getSize().height-GRAPHICS_TOTAL_VERTICAL_HEIGHT) * relativeHeight);
28 if( retValue.height < minHeight )
29 retValue.height = minHeight;
30 }
31 parent = parent.getParent();
32 }
33 return retValue;
34 }
35
36 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.