1 package org.simantics.spreadsheet.ui;
3 import javax.swing.JTable;
4 import javax.swing.JTextField;
5 import javax.swing.event.ListSelectionEvent;
6 import javax.swing.event.ListSelectionListener;
8 import org.eclipse.jface.viewers.StructuredSelection;
9 import org.eclipse.swt.widgets.Display;
10 import org.simantics.databoard.binding.mutable.Variant;
11 import org.simantics.db.layer0.variable.Variable;
12 import org.simantics.spreadsheet.Adaptable;
13 import org.simantics.spreadsheet.ClientModel;
14 import org.simantics.spreadsheet.util.SpreadsheetUtils;
15 import org.simantics.utils.ui.jface.ActiveSelectionProvider;
16 import org.simantics.ui.selection.VariableWorkbenchSelectionElement;
18 public class SelectionListener implements ListSelectionListener {
21 final JTextField expression;
22 final ExpressionTextListener etl;
23 final ActiveSelectionProvider selectionProvider;
24 final Adaptable serverModel;
25 final ClientModel clientModel;
27 // It is necessary to keep the table since it is not possible
28 // to determine the table from the event's source
29 SelectionListener(JTable table, JTextField expression, ExpressionTextListener etl, ActiveSelectionProvider selectionProvider, Adaptable serverModel, ClientModel clientModel) {
30 assert(table != null);
31 assert(selectionProvider != null);
33 this.expression = expression;
35 this.selectionProvider = selectionProvider;
36 this.serverModel = serverModel;
37 this.clientModel = clientModel;
40 public void valueChanged(ListSelectionEvent e) {
42 final int[] selectedColumns = table.getSelectedColumns();
43 final int[] selectedRows = table.getSelectedRows();
45 if(selectedColumns.length == 1 && selectedRows.length == 1) {
47 final TableSelection tableSelection = new TableSelection() {
50 public int[] getColumns() {
51 return selectedColumns;
55 public int[] getRows() {
61 final Variable sheet = serverModel.getAdapter(Variable.class);
63 final Object cell = table.getValueAt(selectedRows[0], selectedColumns[0]);
66 String expression = "";
68 Object expressionO = clientModel.getPossiblePropertyAt(SpreadsheetUtils.cellName(selectedRows[0], selectedColumns[0]), ClientModel.CONTENT_EXPRESSION);
69 if(expressionO instanceof String) {
70 expression = (String)expressionO;
71 } else if(expressionO instanceof Variant) {
72 expression = ((Variant)expressionO).toString();
75 if(expression == null) {
76 Variant content = SpreadsheetUtils.getSafeClientVariant(clientModel, SpreadsheetUtils.cellName(selectedRows[0], selectedColumns[0]), ClientModel.CONTENT);
78 expression = content.getValue().toString();
82 expression = "=" + expression;
84 if (this.etl != null) {
85 if(expression != null) {
86 SelectionListener.this.etl.setCell(expression, selectedRows[0], selectedColumns[0]);
88 SelectionListener.this.etl.setCell("", -1, -1);
92 Display.getDefault().asyncExec(new Runnable() {
97 selectionProvider.setSelection(new StructuredSelection(new VariableWorkbenchSelectionElement(sheet)));
99 selectionProvider.setSelection(new StructuredSelection(new Object[] { cell, "", tableSelection}));
106 Display.getDefault().asyncExec(new Runnable() {
111 if(selectionProvider == null) return;
114 selectionProvider.setSelection(new StructuredSelection(new Object[] { sheet, "", tableSelection}));
116 selectionProvider.setSelection(new StructuredSelection(new Object[] { "", "", tableSelection}));
126 if (e.getValueIsAdjusting()) {
127 // The mouse button has not yet been released