bundles/org.simantics.scenegraph.swing/src/org/simantics/scenegraph/swing/JScrollPaneSG.java

   1 package org.simantics.scenegraph.swing;
   2
   3 import java.awt.AWTEvent;
   4 import java.awt.Component;
   5 import java.awt.Point;
   6
   7 import javax.swing.JComponent;
   8 import javax.swing.JScrollBar;
   9 import javax.swing.JScrollPane;
  10 import javax.swing.JViewport;
  11 import javax.swing.ScrollPaneLayout;
  12
  13 import org.simantics.scenegraph.INode;
  14
  15 public class JScrollPaneSG extends JScrollPane implements JComponentSG {
  16
  17         private static final long serialVersionUID = 1941565557888406721L;
  18
  19         final private INode node;
  20
  21         public JScrollPaneSG(Component view, INode node) {
  22
  23                 this.node = node;
  24         setLayout(new ScrollPaneLayout.UIResource());
  25         setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_AS_NEEDED);
  26         setHorizontalScrollBarPolicy(HORIZONTAL_SCROLLBAR_AS_NEEDED);
  27         setViewport(createViewport());
  28         setVerticalScrollBar(createVerticalScrollBar());
  29         setHorizontalScrollBar(createHorizontalScrollBar());
  30         if (view != null) {
  31             setViewportView(view);
  32         }
  33
  34         setOpaque(true);
  35
  36         updateUI();
  37
  38         if (!this.getComponentOrientation().isLeftToRight()) {
  39             viewport.setViewPosition(new Point(Integer.MAX_VALUE, 0));
  40         }
  41
  42         }
  43
  44         class ScrollBarSG extends ScrollBar implements JComponentSG {
  45
  46                 private static final long serialVersionUID = 209426441282352819L;
  47
  48                 ScrollBarSG(int flags) {
  49                         super(flags);
  50                 }
  51
  52                 @Override
  53                 public boolean contains(int eventX, int eventY) {
  54                         return JComponentUtils.contains(eventX, eventY, this, node);
  55                 }
  56
  57                 @Override
  58                 public boolean containsTransformed(Point p) {
  59                         return super.contains(p.x, p.y);
  60                 }
  61
  62                 @Override
  63                 public JComponent getComponent() {
  64                         return this;
  65                 }
  66
  67                 @Override
  68                 protected void processEvent(AWTEvent e) {
  69                         super.processEvent(JComponentUtils.relocate(e, this, node));
  70                 }
  71
  72         }
  73
  74         @Override
  75         public JScrollBar createVerticalScrollBar() {
  76                 return new ScrollBarSG(JScrollBar.VERTICAL);
  77         }
  78
  79         @Override
  80         public JScrollBar createHorizontalScrollBar() {
  81                 return new ScrollBarSG(JScrollBar.HORIZONTAL);
  82         }
  83
  84         @Override
  85         public boolean contains(int eventX, int eventY) {
  86                 return JComponentUtils.contains(eventX, eventY, this, node);
  87         }
  88
  89         @Override
  90         public boolean containsTransformed(Point p) {
  91                 return super.contains(p.x, p.y);
  92         }
  93
  94         @Override
  95         public JComponent getComponent() {
  96                 return this;
  97         }
  98
  99         @Override
 100         protected JViewport createViewport() {
 101                 return new JViewportSG(node);
 102         }
 103
 104 }