SwtContentHierarchicalPart.java

   1 package org.argeo.cms.swt.acr;
   2
   3 import java.util.Iterator;
   4
   5 import org.argeo.api.acr.Content;
   6 import org.argeo.cms.swt.widgets.SwtHierarchicalPart;
   7 import org.eclipse.swt.widgets.Composite;
   8 import org.eclipse.swt.widgets.TreeItem;
   9
  10 public class SwtContentHierarchicalPart extends SwtHierarchicalPart {
  11
  12         public SwtContentHierarchicalPart(Composite parent, int style) {
  13                 super(parent, style);
  14         }
  15
  16         public Content getContent() {
  17                 return (Content) getInput();
  18         }
  19
  20         @Override
  21         protected void refreshRootItem(TreeItem item) {
  22                 refreshItem(null, item);
  23         }
  24
  25         @Override
  26         protected void refreshItem(TreeItem parentItem, TreeItem item) {
  27                 int index = getTree().indexOf(item);
  28                 Content parentContent = parentItem == null ? getContent() : (Content) parentItem.getData();
  29                 Content content = null;
  30                 int count = 0;
  31                 children: for (Content c : parentContent) {
  32                         if (count == index) {
  33                                 content = c;
  34                                 break children;
  35                         }
  36                         count++;
  37                 }
  38                 item.setData(content);
  39                 item.setText(content.getName().toString());
  40                 item.setItemCount(getChildrenCount(content));
  41         }
  42
  43         @Override
  44         protected int getRootItemCount() {
  45                 return getChildrenCount(getContent());
  46         }
  47
  48         static int getChildrenCount(Content content) {
  49                 int count = 0;
  50                 for (Iterator<Content> it = content.iterator(); it.hasNext();it.next()) {
  51                         count++;
  52                 }
  53                 return count;
  54         }
  55 }