site/j2s/swingjs/plaf/JSScrollPaneUI.java

   1 package swingjs.plaf;
   2
   3 import jsjava.awt.Component;
   4 import jsjavax.swing.JComponent;
   5 import jsjavax.swing.JScrollPane;
   6 import jsjavax.swing.JViewport;
   7
   8 import swingjs.JSToolkit;
   9 import swingjs.api.DOMNode;
  10
  11 public class JSScrollPaneUI extends JSComponentUI {
  12
  13         private JComponent scrolledComponent;
  14         private JScrollPane scrollpane;
  15         private JViewport viewport;
  16         private JSComponentUI scrolledUI;
  17
  18         @Override
  19         public DOMNode getDOMObject() {
  20                 isContainer = true;
  21                 scrollpane = (JScrollPane) c;
  22                 if (domNode == null) {
  23                         domNode = createDOMObject("div", id);
  24                 }
  25                 JViewport v = scrollpane.getViewport();
  26
  27                 if (v != null) {
  28                         viewport = v;
  29                         System.out.println("JSScrollPaneUI v=" + v);
  30                         JComponent sc = null;
  31                         try {
  32                                 sc = (JComponent) v.getComponent(0);
  33                         } catch (Exception e) {
  34                                 // unusable
  35                         }
  36                         if (sc != null && sc != scrolledComponent) {
  37                                 scrolledComponent = sc;
  38                                 scrolledUI = JSToolkit.getUI(sc, false);
  39                                 scrollNode = scrolledUI.outerNode;
  40                                 if (scrollNode == null)
  41                                         scrollNode = scrolledUI.setHTMLElement();
  42                                 DOMNode.setSize(scrollNode, c.getWidth(), c.getHeight());
  43                                 scrolledUI.scrollerNode = this;
  44                                 components = new Component[] { scrolledComponent };
  45                         }
  46                 }
  47                 return domNode;
  48         }
  49
  50         @Override
  51         protected void installJSUI() {
  52                 // TODO Auto-generated method stub
  53
  54         }
  55
  56         @Override
  57         protected void uninstallJSUI() {
  58                 // TODO Auto-generated method stub
  59
  60         }
  61
  62 }