demo/plugins/org.argeo.demo.i18n/src/main/java/org/argeo/demo/i18n/providers/SimpleContentProvider.java

   1 package org.argeo.demo.i18n.providers;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import org.argeo.demo.i18n.model.Place;
   7 import org.argeo.eclipse.ui.TreeParent;
   8 import org.eclipse.jface.viewers.ITreeContentProvider;
   9 import org.eclipse.jface.viewers.Viewer;
  10
  11 /**
  12  * Implementation of the {@code ITreeContentProvider} to display multiple
  13  * repository environment in a tree like structure
  14  *
  15  */
  16 public class SimpleContentProvider implements ITreeContentProvider {
  17         // private final static Log log =
  18         // LogFactory.getLog(SimpleContentProvider.class);
  19
  20         public SimpleContentProvider() {
  21         }
  22
  23         /**
  24          * Sends back the first level of the Tree. Independent from inputElement
  25          * that can be null. Values are hard coded here.
  26          */
  27         public Object[] getElements(Object inputElement) {
  28                 List<Object> objs = new ArrayList<Object>();
  29                 objs.add(new Place("Home", "My house, my family",
  30                                 "12 rue du bac, Paris"));
  31                 objs.add(new Place("Office", "Where I work",
  32                                 "100 av des champs Elysées"));
  33                 objs.add(new Place("School",
  34                                 "The place where the children spend their days",
  35                                 "103 Avenue montaigne, Paris"));
  36                 return objs.toArray();
  37         }
  38
  39         public Object[] getChildren(Object parentElement) {
  40                 if (parentElement instanceof TreeParent)
  41                         return ((TreeParent) parentElement).getChildren();
  42                 else {
  43                         return new Object[0];
  44                 }
  45         }
  46
  47         public Object getParent(Object element) {
  48                 if (element instanceof TreeParent) {
  49                         return ((TreeParent) element).getParent();
  50                 } else
  51                         return null;
  52         }
  53
  54         public boolean hasChildren(Object element) {
  55                 if (element instanceof TreeParent) {
  56                         TreeParent tp = (TreeParent) element;
  57                         return tp.hasChildren();
  58                 }
  59                 return false;
  60         }
  61
  62         public void dispose() {
  63         }
  64
  65         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  66         }
  67 }