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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.featuretree.e4;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.dnd.DND;
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import org.eclipse.swt.dnd.DragSourceListener;
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import org.eclipse.swt.dnd.DropTargetListener;
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import org.eclipse.swt.dnd.Transfer;
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import org.eclipse.swt.events.ModifyListener;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Listener;
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import org.eclipse.swt.widgets.Text;
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import org.eclipse.swt.widgets.Tree;
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import eu.etaxonomy.cdm.model.description.FeatureTree;
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import eu.etaxonomy.taxeditor.editor.definedterm.TermTransfer;
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import eu.etaxonomy.taxeditor.featuretree.FeatureNodeTransfer;
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import eu.etaxonomy.taxeditor.featuretree.FeatureTreeContentProvider;
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import eu.etaxonomy.taxeditor.featuretree.FeatureTreeLabelProvider;
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import eu.etaxonomy.taxeditor.l10n.Messages;
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import eu.etaxonomy.taxeditor.model.ImageResources;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.FeatureTreeSelectionDialog;
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/**
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* @author pplitzner
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* @since Jun 19, 2017
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*
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*/
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public class FeatureTreeEditorComposite extends Composite{
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private FeatureTree featureTree;
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private Label label_title;
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private Text text_title;
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private Button btnOpenFeatureTree;
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private TreeViewer viewer;
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public FeatureTreeEditorComposite(Composite parent, int style) {
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super(parent, style);
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setLayout(new GridLayout(1, false));
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Composite composite_treeTitle = new Composite(this, SWT.NULL);
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composite_treeTitle.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true,
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false));
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GridLayout gl_composite_treeTitle = new GridLayout(3, false);
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gl_composite_treeTitle.marginWidth = 0;
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composite_treeTitle.setLayout(gl_composite_treeTitle);
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label_title = new Label(composite_treeTitle, SWT.NULL);
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label_title.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
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label_title.setText(Messages.FeatureTreeEditorComposite_FEATURE_TREE);
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text_title = new Text(composite_treeTitle, SWT.BORDER);
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text_title.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
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text_title.setEnabled(false);
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btnOpenFeatureTree = new Button(composite_treeTitle, SWT.NONE);
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btnOpenFeatureTree.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1));
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btnOpenFeatureTree.setToolTipText(Messages.FeatureTreeEditorComposite_OPEN_TREE);
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btnOpenFeatureTree.setImage(ImageResources.getImage(ImageResources.BROWSE_ICON));
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viewer = new TreeViewer(new Tree(this, SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION));
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Tree tree = viewer.getTree();
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tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));
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viewer.getControl().setLayoutData(
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new GridData(SWT.FILL, SWT.FILL, true, true));
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}
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public void init(DragSourceListener dragSourceListener, DropTargetListener dropTargetListener,
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ISelectionChangedListener viewerSelectionChangedListener,
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SelectionListener openFeatureTreeSelectionListener) {
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viewer.setContentProvider(new FeatureTreeContentProvider());
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viewer.setLabelProvider(new FeatureTreeLabelProvider());
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int ops = DND.DROP_COPY | DND.DROP_MOVE;
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Transfer[] transfers = new Transfer[] { FeatureNodeTransfer
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.getInstance(), TermTransfer.getInstance() };
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if(dragSourceListener!=null){
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viewer.addDragSupport(ops, transfers, dragSourceListener);
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}
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if(dropTargetListener!=null){
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viewer.addDropSupport(ops, transfers, dropTargetListener);
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}
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if(viewerSelectionChangedListener!=null){
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viewer.addSelectionChangedListener(viewerSelectionChangedListener);
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}
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//add specific selection listener
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if(openFeatureTreeSelectionListener!=null){
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btnOpenFeatureTree.addSelectionListener(openFeatureTreeSelectionListener);
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}
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else{
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//add default selection listener
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btnOpenFeatureTree.addSelectionListener(new SelectionAdapter(){
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@Override
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public void widgetSelected(SelectionEvent e) {
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FeatureTree tree = FeatureTreeSelectionDialog.select(getDisplay().getActiveShell(),
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null);
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if(tree!=null){
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setSelectedTree(tree, null);
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getText_title().setEnabled(false);
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}
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}
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});
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}
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}
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public void setSelectedTree(FeatureTree featureTree, ModifyListener modifyListener) {
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this.featureTree = featureTree;
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getViewer().setInput(featureTree);
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Listener[] listeners = getText_title().getListeners(SWT.Modify);
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for (Listener listener : listeners) {
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getText_title().removeListener(SWT.Modify, listener);
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}
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getText_title().setText(featureTree.getTitleCache());
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for (Listener listener : listeners) {
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getText_title().addListener(SWT.Modify, listener);
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}
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getText_title().setEnabled(true);
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text_title.setEnabled(true);
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}
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/**
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* @return the featureTree
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*/
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public FeatureTree getFeatureTree() {
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return featureTree;
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}
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/**
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* @return the label_title
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*/
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public Label getLabel_title() {
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return label_title;
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}
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/**
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* @return the text_title
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*/
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public Text getText_title() {
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return text_title;
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}
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/**
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* @return the btnOpenFeatureTree
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*/
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public Button getBtnOpenFeatureTree() {
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return btnOpenFeatureTree;
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}
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/**
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* @return the viewer
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*/
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public TreeViewer getViewer() {
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return viewer;
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}
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}
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