eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/featuretree/e4/FeatureTreeEditorComposite.java

   1 /**
   2 * Copyright (C) 2017 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.featuretree.e4;
  10
  11 import org.eclipse.jface.viewers.ISelectionChangedListener;
  12 import org.eclipse.jface.viewers.TreeViewer;
  13 import org.eclipse.swt.SWT;
  14 import org.eclipse.swt.dnd.DND;
  15 import org.eclipse.swt.dnd.DragSourceListener;
  16 import org.eclipse.swt.dnd.DropTargetListener;
  17 import org.eclipse.swt.dnd.Transfer;
  18 import org.eclipse.swt.events.ModifyListener;
  19 import org.eclipse.swt.events.SelectionAdapter;
  20 import org.eclipse.swt.events.SelectionEvent;
  21 import org.eclipse.swt.events.SelectionListener;
  22 import org.eclipse.swt.layout.GridData;
  23 import org.eclipse.swt.layout.GridLayout;
  24 import org.eclipse.swt.widgets.Button;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Label;
  27 import org.eclipse.swt.widgets.Listener;
  28 import org.eclipse.swt.widgets.Text;
  29 import org.eclipse.swt.widgets.Tree;
  30
  31 import eu.etaxonomy.cdm.model.description.FeatureTree;
  32 import eu.etaxonomy.taxeditor.editor.definedterm.TermTransfer;
  33 import eu.etaxonomy.taxeditor.featuretree.FeatureNodeTransfer;
  34 import eu.etaxonomy.taxeditor.featuretree.FeatureTreeContentProvider;
  35 import eu.etaxonomy.taxeditor.featuretree.FeatureTreeLabelProvider;
  36 import eu.etaxonomy.taxeditor.l10n.Messages;
  37 import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
  38 import eu.etaxonomy.taxeditor.model.ImageResources;
  39 import eu.etaxonomy.taxeditor.ui.dialog.selection.FeatureTreeSelectionDialog;
  40
  41 /**
  42  * @author pplitzner
  43  * @since Jun 19, 2017
  44  *
  45  */
  46 public class FeatureTreeEditorComposite extends Composite{
  47
  48     private FeatureTree featureTree;
  49
  50     private Label label_title;
  51     private Text text_title;
  52     private Button btnOpenFeatureTree;
  53     private TreeViewer viewer;
  54
  55     public FeatureTreeEditorComposite(Composite parent, int style) {
  56         super(parent, style);
  57         setLayout(new GridLayout(1, false));
  58
  59         Composite composite_treeTitle = new Composite(this, SWT.NULL);
  60         composite_treeTitle.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true,
  61                 false));
  62         GridLayout gl_composite_treeTitle = new GridLayout(3, false);
  63         gl_composite_treeTitle.marginWidth = 0;
  64         composite_treeTitle.setLayout(gl_composite_treeTitle);
  65
  66         label_title = new Label(composite_treeTitle, SWT.NULL);
  67         label_title.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
  68         label_title.setText(Messages.FeatureTreeEditorComposite_FEATURE_TREE);
  69
  70         text_title = new Text(composite_treeTitle, SWT.BORDER);
  71         text_title.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
  72         text_title.setEditable(false);
  73
  74         btnOpenFeatureTree = new Button(composite_treeTitle, SWT.NONE);
  75         btnOpenFeatureTree.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1));
  76         btnOpenFeatureTree.setToolTipText(Messages.FeatureTreeEditorComposite_OPEN_TREE);
  77         btnOpenFeatureTree.setImage(ImageResources.getImage(ImageResources.BROWSE_ICON));
  78
  79         viewer = new TreeViewer(new Tree(this, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI));
  80         Tree tree = viewer.getTree();
  81         tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));
  82         viewer.getControl().setLayoutData(
  83                 new GridData(SWT.FILL, SWT.FILL, true, true));
  84     }
  85
  86     public void init(String label,
  87             DragSourceListener dragSourceListener,
  88             DropTargetListener dropTargetListener,
  89             ISelectionChangedListener viewerSelectionChangedListener,
  90             IDirtyMarkable dirtyMarkable,
  91             ModifyListener textModifyListener) {
  92         this.init(label,
  93                 dragSourceListener,
  94                 dropTargetListener,
  95                 null,
  96                 viewerSelectionChangedListener,
  97                 null,
  98                 dirtyMarkable,
  99                 textModifyListener);
 100     }
 101     public void init(DragSourceListener dragSourceListener,
 102             DropTargetListener dropTargetListener,
 103             Transfer[] transfers,
 104             ISelectionChangedListener viewerSelectionChangedListener,
 105             SelectionListener openFeatureTreeSelectionListener,
 106             ModifyListener textModifyListener) {
 107         init(null, dragSourceListener,
 108                 dropTargetListener,
 109                 transfers,
 110                 viewerSelectionChangedListener,
 111                 openFeatureTreeSelectionListener,
 112                 null,
 113                 textModifyListener);
 114     }
 115     private void init(String label, DragSourceListener dragSourceListener,
 116             DropTargetListener dropTargetListener,
 117             Transfer[] transfers,
 118             ISelectionChangedListener viewerSelectionChangedListener,
 119             SelectionListener openFeatureTreeSelectionListener,
 120             IDirtyMarkable dirtyMarkable,
 121             ModifyListener textModifyListener) {
 122         if(label!=null){
 123             label_title.setText(label);
 124         }
 125
 126         viewer.setContentProvider(new FeatureTreeContentProvider());
 127         viewer.setLabelProvider(new FeatureTreeLabelProvider());
 128
 129         int ops = DND.DROP_COPY | DND.DROP_MOVE;
 130         if(transfers==null){
 131         transfers = new Transfer[] {
 132                 FeatureNodeTransfer.getInstance(),
 133                 TermTransfer.getInstance(),
 134                 };
 135         }
 136         if(dragSourceListener!=null){
 137             viewer.addDragSupport(ops, transfers, dragSourceListener);
 138         }
 139         if(dropTargetListener!=null){
 140             viewer.addDropSupport(ops, transfers, dropTargetListener);
 141         }
 142
 143         if(viewerSelectionChangedListener!=null){
 144             viewer.addSelectionChangedListener(viewerSelectionChangedListener);
 145         }
 146
 147         if(textModifyListener!=null){
 148             text_title.addModifyListener(textModifyListener);
 149         }
 150
 151         //add specific selection listener
 152         if(openFeatureTreeSelectionListener!=null){
 153             btnOpenFeatureTree.addSelectionListener(openFeatureTreeSelectionListener);
 154         }
 155         else{
 156             //add default selection listener
 157             btnOpenFeatureTree.addSelectionListener(new SelectionAdapter(){
 158                 @Override
 159                 public void widgetSelected(SelectionEvent e) {
 160                     FeatureTree tree = FeatureTreeSelectionDialog.select(getDisplay().getActiveShell(),
 161                             null);
 162                     if(tree!=null){
 163                         setSelectedTree(tree);
 164                         if(dirtyMarkable!=null){
 165                             dirtyMarkable.forceDirty();
 166                         }
 167                     }
 168                 }
 169             });
 170         }
 171     }
 172
 173     public void setSelectedTree(FeatureTree featureTree) {
 174         this.featureTree = featureTree;
 175
 176         viewer.setInput(featureTree);
 177
 178         Listener[] listeners = text_title.getListeners(SWT.Modify);
 179         for (Listener listener : listeners) {
 180             text_title.removeListener(SWT.Modify, listener);
 181         }
 182         text_title.setText(featureTree!=null?featureTree.getTitleCache():"");
 183         for (Listener listener : listeners) {
 184             text_title.addListener(SWT.Modify, listener);
 185         }
 186     }
 187
 188     public FeatureTree getFeatureTree() {
 189         return featureTree;
 190     }
 191
 192     public Label getLabel_title() {
 193         return label_title;
 194     }
 195
 196     public Button getBtnOpenFeatureTree() {
 197         return btnOpenFeatureTree;
 198     }
 199
 200     public TreeViewer getViewer() {
 201         return viewer;
 202     }
 203
 204 }