Project

General

Profile

Download (4.13 KB) Statistics
| Branch: | Tag: | Revision:
1
/**
2
 *
3
 */
4
package eu.etaxonomy.taxeditor.editor.view.concept.graph.e4;
5

    
6
import javax.annotation.PostConstruct;
7

    
8
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
9
import org.eclipse.e4.ui.services.EMenuService;
10
import org.eclipse.jface.viewers.StructuredSelection;
11
import org.eclipse.jface.viewers.Viewer;
12
import org.eclipse.swt.SWT;
13
import org.eclipse.swt.widgets.Composite;
14
import org.eclipse.zest.core.viewers.GraphViewer;
15
import org.eclipse.zest.core.widgets.ZestStyles;
16
import org.eclipse.zest.layouts.LayoutAlgorithm;
17
import org.eclipse.zest.layouts.LayoutStyles;
18
import org.eclipse.zest.layouts.algorithms.TreeLayoutAlgorithm;
19

    
20
import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
21
import eu.etaxonomy.taxeditor.editor.e4.TaxonEditorInputE4;
22
import eu.etaxonomy.taxeditor.editor.l10n.Messages;
23
import eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4;
24
import eu.etaxonomy.taxeditor.editor.view.concept.graph.ConceptGraphContentProvider;
25
import eu.etaxonomy.taxeditor.editor.view.concept.graph.ConceptGraphLabelProvider;
26
import eu.etaxonomy.taxeditor.editor.view.descriptive.e4.FactualDataPartE4;
27
import eu.etaxonomy.taxeditor.editor.view.media.e4.MediaViewPartE4;
28
import eu.etaxonomy.taxeditor.model.AbstractUtility;
29
import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPartE4;
30
import eu.etaxonomy.taxeditor.view.e4.details.DetailsPartE4;
31
import eu.etaxonomy.taxeditor.view.e4.supplementaldata.SupplementalDataPartE4;
32

    
33
/**
34
 *
35
 * @author pplitzner
36
 * @since Sep 27, 2017
37
 *
38
 */
39
public class ConceptGraphViewE4 extends AbstractCdmEditorPartE4 {
40

    
41
	public static final String ID = "eu.etaxonomy.taxeditor.editor.view.concept.graph"; //$NON-NLS-1$
42

    
43
	private LayoutAlgorithm layoutAlgoritm;
44

    
45
    /**
46
     * {@inheritDoc}
47
     */
48
	@Override
49
	public void selectionChanged_internal(Object selection, MPart activePart, MPart thisPart) {
50
	    if(activePart==thisPart){
51
	        return;
52
	    }
53

    
54
	    Object partObject = createPartObject(activePart);
55

    
56
	    if (partObject instanceof DetailsPartE4 || partObject instanceof SupplementalDataPartE4
57
	            || partObject instanceof FactualDataPartE4|| partObject instanceof MediaViewPartE4) {
58
	        // do not show empty page as these views are also used to edit the
59
	        // description selected in this view
60
	        return;
61
	    }
62
		if(AbstractUtility.getActiveEditor() == null){
63
			showEmptyPage();
64
			return;
65
		}
66

    
67
		if(partObject instanceof BulkEditor){
68
			showEmptyPage();
69
			return;
70
		}
71

    
72

    
73
		if(partObject instanceof TaxonNameEditorE4){
74
		    viewer.getControl().setEnabled(true);
75
		    TaxonEditorInputE4 input = ((TaxonNameEditorE4) partObject).getEditorInput();
76
		    showViewer(new StructuredSelection(input), activePart, viewer);
77
		}
78

    
79
	}
80

    
81
	@Override
82
	public boolean onComplete() {
83
		return false;
84
	}
85

    
86
	@Override
87
	public Viewer getViewer() {
88
		return viewer;
89
	}
90

    
91
	@PostConstruct
92
    public void create(Composite parent, EMenuService menuService, MPart thisPart) {
93

    
94
        this.thisPart = thisPart;
95

    
96
        GraphViewer viewer = new GraphViewer(parent, SWT.NONE);
97

    
98
		viewer.setContentProvider(new ConceptGraphContentProvider());
99
		viewer.setLabelProvider(new ConceptGraphLabelProvider());
100

    
101
		viewer.setConnectionStyle(ZestStyles.CONNECTIONS_DIRECTED);
102

    
103
		viewer.setLayoutAlgorithm(getLayoutAlgoritm(), false);
104

    
105
		this.viewer = viewer;
106

    
107
		// Propagate selection from viewer
108
        selectionChangedListener = (event -> selService.setSelection(AbstractUtility.getElementsFromSelectionChangedEvent(event)));
109
        viewer.addSelectionChangedListener(selectionChangedListener);
110

    
111
//		createMenu();
112
//
113
//		createToolbar();
114

    
115

    
116
	}
117

    
118
	private LayoutAlgorithm getLayoutAlgoritm() {
119

    
120
		if (layoutAlgoritm == null) {
121
			// layoutAlgoritm = new CompositeLayoutAlgorithm(
122
			// LayoutStyles.NO_LAYOUT_NODE_RESIZING,
123
			// new LayoutAlgorithm[] {
124
			// new TreeLayoutAlgorithm(
125
			// LayoutStyles.NO_LAYOUT_NODE_RESIZING),
126
			// new HorizontalShift(
127
			// LayoutStyles.NO_LAYOUT_NODE_RESIZING) });
128

    
129
			layoutAlgoritm = new TreeLayoutAlgorithm(
130
					LayoutStyles.NO_LAYOUT_NODE_RESIZING);
131
			layoutAlgoritm.setEntityAspectRatio(0.5);
132
		}
133
		return layoutAlgoritm;
134
	}
135

    
136
	@Override
137
	protected String getViewName() {
138
		return Messages.ConceptGraphView_VIEWER_NAME;
139
	}
140

    
141
}
    (1-1/1)