1 package org.simantics.browsing.ui.nattable;
\r
3 import java.util.ArrayList;
\r
4 import java.util.Collection;
\r
5 import java.util.List;
\r
7 import org.eclipse.jface.viewers.IPostSelectionProvider;
\r
8 import org.eclipse.jface.viewers.ISelection;
\r
9 import org.eclipse.jface.viewers.ISelectionChangedListener;
\r
10 import org.eclipse.jface.viewers.ISelectionProvider;
\r
11 import org.eclipse.jface.viewers.SelectionChangedEvent;
\r
12 import org.eclipse.jface.viewers.StructuredSelection;
\r
13 import org.eclipse.nebula.widgets.nattable.NatTable;
\r
14 import org.eclipse.nebula.widgets.nattable.coordinate.PositionCoordinate;
\r
15 import org.eclipse.nebula.widgets.nattable.layer.ILayerListener;
\r
16 import org.eclipse.nebula.widgets.nattable.layer.cell.ILayerCell;
\r
17 import org.eclipse.nebula.widgets.nattable.layer.event.ILayerEvent;
\r
18 import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
\r
19 import org.eclipse.nebula.widgets.nattable.selection.event.CellSelectionEvent;
\r
20 import org.eclipse.swt.events.SelectionEvent;
\r
21 import org.eclipse.swt.events.SelectionListener;
\r
22 import org.eclipse.swt.graphics.Point;
\r
23 import org.eclipse.swt.widgets.Event;
\r
24 import org.simantics.utils.datastructures.MapList;
\r
25 import org.simantics.utils.ui.AdaptionUtils;
\r
27 public class NatTableSelectionAdaptor implements ISelectionProvider, IPostSelectionProvider, ILayerListener {
\r
29 SelectionLayer selectionLayer;
\r
30 GETreeData treeData;
\r
31 StructuredSelection selection;
\r
33 private List<ISelectionChangedListener> selectionListeners = new ArrayList<>();
\r
34 private List<ISelectionChangedListener> postSelectionListeners = new ArrayList<>();
\r
35 private List<SelectionListener> selListeners = new ArrayList<>();
\r
37 public NatTableSelectionAdaptor(NatTable natTable, SelectionLayer selectionLayer, GETreeData treeData) {
\r
38 this.natTable = natTable;
\r
39 this.selectionLayer = selectionLayer;
\r
40 this.natTable.addLayerListener(this);
\r
41 this.treeData = treeData;
\r
45 public void addSelectionChangedListener(ISelectionChangedListener listener) {
\r
46 selectionListeners.add(listener);
\r
50 public void removeSelectionChangedListener(ISelectionChangedListener listener) {
\r
51 selectionListeners.remove(listener);
\r
55 public void addPostSelectionChangedListener(ISelectionChangedListener listener) {
\r
56 postSelectionListeners.add(listener);
\r
60 public void removePostSelectionChangedListener(ISelectionChangedListener listener) {
\r
61 postSelectionListeners.remove(listener);
\r
64 public void addSelectionListener(SelectionListener listener) {
\r
65 selListeners.add(listener);
\r
68 public void removeSelectionListener(SelectionListener listener) {
\r
69 selListeners.remove(listener);
\r
73 public ISelection getSelection() {
\r
78 public void setSelection(ISelection selection) {
\r
79 if (!(selection instanceof StructuredSelection))
\r
80 throw new IllegalArgumentException("Selection must be structured selection");
\r
81 if (selection.isEmpty()) {
\r
82 selectionLayer.clear(false);
\r
86 List<RowSelectionItem> rowItems = new ArrayList<>(AdaptionUtils.adaptToCollection(selection, RowSelectionItem.class));
\r
87 if (rowItems.size() > 0) {
\r
89 setSelectionExternal(rowItems);
\r
92 Collection<TreeNode> nodes = AdaptionUtils.adaptToCollection(selection, TreeNode.class);
\r
93 if (nodes.size() > 0) {
\r
94 List<RowSelectionItem> selected = new ArrayList<>();
\r
95 int allCols[] = new int[selectionLayer.getColumnCount()];
\r
96 for (int i = 0; i < allCols.length; i++)
\r
98 for (TreeNode n : nodes) {
\r
99 selected.add(new RowSelectionItem(n, n.listIndex, allCols));
\r
101 setSelectionExternal(selected);
\r
107 private void setSelectionExternal(List<RowSelectionItem> items) {
\r
108 selectionLayer.clear(true);
\r
109 for (RowSelectionItem item : items) {
\r
110 for (int c : item.columnIndex)
\r
111 selectionLayer.selectCell(c, item.rowIndex, false, true);
\r
113 selection = new StructuredSelection(items);
\r
118 private List<Point> selectedCells = new ArrayList<Point>();
\r
121 public void handleLayerEvent(ILayerEvent event) {
\r
122 if (event instanceof CellSelectionEvent) {
\r
123 evaluateSeletedCells();
\r
128 * Processes current selection to data indices.
\r
130 private void evaluateSeletedCells() {
\r
131 selectedCells.clear();
\r
132 for (PositionCoordinate pc : selectionLayer.getSelectedCellPositions()) {
\r
133 ILayerCell cell = pc.getLayer().getCellByPosition(pc.columnPosition, pc.rowPosition);
\r
134 selectedCells.add(new Point(cell.getColumnIndex(), cell.getRowIndex()));
\r
136 MapList<Integer, Integer> rowMap = new MapList<>();
\r
137 for (Point p : selectedCells) {
\r
138 rowMap.add(p.y, p.x);
\r
140 List<RowSelectionItem> selectionItems = new ArrayList<>(rowMap.getKeySize());
\r
141 for (Integer row : rowMap.getKeys()) {
\r
142 List<Integer> cols = rowMap.getValues(row);
\r
143 int col[] = new int[cols.size()];
\r
144 for (int i = 0; i < col.length; i++)
\r
145 col[i] = cols.get(i);
\r
146 selectionItems.add(new RowSelectionItem(treeData.getDataAtIndex(row), row, col));
\r
148 this.selection = new StructuredSelection(selectionItems);
\r
152 private void fireEvents() {
\r
153 for (ISelectionChangedListener l : selectionListeners) {
\r
154 l.selectionChanged(new SelectionChangedEvent(this, selection));
\r
156 for (ISelectionChangedListener l : postSelectionListeners) {
\r
157 l.selectionChanged(new SelectionChangedEvent(this, selection));
\r
159 Event evt = new Event();
\r
160 evt.widget = natTable;
\r
161 evt.display = natTable.getDisplay();
\r
162 evt.data = selection;
\r
163 for (SelectionListener l : selListeners) {
\r
164 SelectionEvent sel = new SelectionEvent(evt);
\r
165 l.widgetSelected(sel);
\r
169 public List<Point> getSelectedCells() {
\r
170 return selectedCells;
\r