eclipseprojects/eu.etaxonomy.taxeditor.prototype2/src/eu/etaxonomy/taxeditor/prototype2/view/PropertySheetViewer.java

   1 package eu.etaxonomy.taxeditor.prototype2.view;
   2
   3 import org.eclipse.core.databinding.DataBindingContext;
   4 import org.eclipse.jface.viewers.ColumnLabelProvider;
   5 import org.eclipse.jface.viewers.TreeViewer;
   6 import org.eclipse.jface.viewers.TreeViewerColumn;
   7 import org.eclipse.swt.SWT;
   8 import org.eclipse.swt.layout.GridData;
   9 import org.eclipse.swt.widgets.Composite;
  10 import org.eclipse.swt.widgets.Event;
  11 import org.eclipse.swt.widgets.Listener;
  12
  13 import eu.etaxonomy.taxeditor.prototype2.model.PropertySheetNode;
  14
  15 /**
  16  * Creates a tree viewer with two columns, one for field names the other
  17  *  for their values. Note: labels and editing support for values column,
  18  *  content provider and input for viewer must be set by the calling method
  19  *
  20  * @author p.ciardelli
  21  *
  22  */
  23 public class PropertySheetViewer extends TreeViewer {
  24
  25         final private TreeViewerColumn propertyFieldColumn;
  26         private TreeViewerColumn propertyValueColumn;
  27         private DataBindingContext bindingContext = new DataBindingContext();
  28
  29         public PropertySheetViewer(Composite parent) {
  30                 // Note: SWT.FULL_SELECTION hides lines connecting nodes
  31                 super(parent, SWT.BORDER | SWT.FULL_SELECTION);
  32
  33                 this.getTree().setLayoutData(new GridData(SWT.RIGHT, SWT.FILL, false, true));
  34 //              this.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
  35
  36                 // create a column for property fields
  37                 propertyFieldColumn = new TreeViewerColumn(this, SWT.NONE);
  38                 propertyFieldColumn.getColumn().setMoveable(true);
  39                 propertyFieldColumn.setLabelProvider(new ColumnLabelProvider() {
  40                         public String getText(Object element) {
  41                             return ((PropertySheetNode) element).getPropertyField();
  42                         }
  43                 });
  44
  45                 // create a column for property values
  46                 propertyValueColumn = new TreeViewerColumn(this, SWT.NONE);
  47                 propertyValueColumn.getColumn().setMoveable(true);
  48
  49                 this.getTree().setLinesVisible(true);
  50                 this.getTree().setHeaderVisible(true);
  51 //              this.getTree().getVerticalBar().setEnabled(true);
  52                 this.getTree().getVerticalBar().setEnabled(false);
  53
  54                 this.getTree().setSize(200, 300);
  55                 propertyValueColumn.getColumn().setWidth(100);
  56                 propertyFieldColumn.getColumn().setWidth(100);
  57
  58 //              try {
  59 //                      TableColumnLayout layout = new TableColumnLayout();
  60 //                      this.getTree().setLayout(layout);
  61 //
  62 //                      layout.setColumnData( propertyFieldColumn.getColumn(), new ColumnWeightData( 30 ) );
  63 //                      layout.setColumnData( propertyValueColumn.getColumn(), new ColumnWeightData( 60 ) );
  64 //              } catch (RuntimeException e) {
  65 //                      // TODO Auto-generated catch block
  66 //                      e.printStackTrace();
  67 //              }
  68
  69                 propertyFieldColumn.getColumn().addListener(SWT.Selection, new Listener() {
  70                         public void handleEvent(Event event) {
  71                                 propertyFieldColumn.getColumn().pack();
  72                         }
  73                 });
  74                 propertyValueColumn.getColumn().addListener(SWT.Selection, new Listener() {
  75                         public void handleEvent(Event event) {
  76                                 propertyValueColumn.getColumn().pack();
  77                         }
  78                 });
  79                 this.getTree().addListener(SWT.MeasureItem, new Listener() {
  80                         public void handleEvent(Event event) {
  81 //                              event.width *= 2;
  82                         }
  83                 });
  84
  85         }
  86
  87         public TreeViewerColumn getPropertyFieldColumn() {
  88                 return propertyFieldColumn;
  89         }
  90
  91         public TreeViewerColumn getPropertyValueColumn() {
  92                 return propertyValueColumn;
  93         }
  94
  95         public DataBindingContext getBindingContext() {
  96                 return bindingContext;
  97         }
  98 }