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Package: DateCellEditor$1
DateCellEditor$1
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Eugen Neufeld - initial API and implementation
13: *******************************************************************************/
14: package org.eclipse.emf.ecp.edit.internal.swt.table;
15:
16: import java.text.DateFormat;
17: import java.text.MessageFormat;
18: import java.text.SimpleDateFormat;
19: import java.util.Calendar;
20: import java.util.Date;
21:
22: import org.eclipse.core.databinding.DataBindingContext;
23: import org.eclipse.core.databinding.UpdateValueStrategy;
24: import org.eclipse.core.databinding.observable.value.IObservableValue;
25: import org.eclipse.core.databinding.property.INativePropertyListener;
26: import org.eclipse.core.databinding.property.ISimplePropertyListener;
27: import org.eclipse.core.databinding.property.value.IValueProperty;
28: import org.eclipse.core.databinding.property.value.SimpleValueProperty;
29: import org.eclipse.emf.ecore.EStructuralFeature;
30: import org.eclipse.emf.ecp.edit.spi.swt.table.ECPCellEditor;
31: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
32: import org.eclipse.jface.viewers.CellEditor;
33: import org.eclipse.swt.SWT;
34: import org.eclipse.swt.events.FocusAdapter;
35: import org.eclipse.swt.events.FocusEvent;
36: import org.eclipse.swt.events.KeyAdapter;
37: import org.eclipse.swt.events.KeyEvent;
38: import org.eclipse.swt.events.SelectionAdapter;
39: import org.eclipse.swt.events.SelectionEvent;
40: import org.eclipse.swt.events.TraverseEvent;
41: import org.eclipse.swt.events.TraverseListener;
42: import org.eclipse.swt.graphics.Image;
43: import org.eclipse.swt.widgets.Composite;
44: import org.eclipse.swt.widgets.Control;
45: import org.eclipse.swt.widgets.DateTime;
46:
47: /**
48: * A cell editor for editing a date time value.
49: *
50: * @author Eugen Neufeld
51: *
52: */
53: public class DateCellEditor extends CellEditor implements ECPCellEditor {
54:
55: private DateTime dateWidget;
56: private final DateFormat dateFormat = SimpleDateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM);
57:
58: /**
59: * Default constructor.
60: */
61: public DateCellEditor() {
62: }
63:
64: /**
65: * A constructor which takes only a parent.
66: *
67: * @param parent the {@link Composite} to use as a parent.
68: */
69: public DateCellEditor(Composite parent) {
70: super(parent);
71: }
72:
73: /**
74: * A constructor which takes the parent and the style.
75: *
76: * @param parent the {@link Composite} to use as a parent
77: * @param style the Style to set
78: */
79: public DateCellEditor(Composite parent, int style) {
80: super(parent, style);
81: }
82:
83: @Override
84: public IValueProperty getValueProperty() {
85: return new SimpleValueProperty() {
86:
87: @Override
88: public Object getValueType() {
89: return Date.class;
90: }
91:
92: @Override
93: protected Object doGetValue(Object source) {
94: return DateCellEditor.this.doGetValue();
95: }
96:
97: @Override
98: protected void doSetValue(Object source, Object value) {
99: DateCellEditor.this.doSetValue(value);
100: }
101:
102: @Override
103: public IObservableValue observe(Object source) {
104:• if (source instanceof DateCellEditor) {
105: return observe(dateWidget);
106: }
107: return super.observe(source);
108: }
109:
110: @Override
111: public INativePropertyListener adaptListener(ISimplePropertyListener listener) {
112: return null;
113: }
114: };
115: }
116:
117: @Override
118: public void instantiate(EStructuralFeature eStructuralFeature, ViewModelContext viewModelContext) {
119:
120: }
121:
122: @Override
123: protected Control createControl(Composite parent) {
124: // Composite composite = new Composite(parent, SWT.NONE);
125: dateWidget = new DateTime(parent, SWT.DATE);
126: dateWidget.setData(CUSTOM_VARIANT, "org_eclipse_emf_ecp_edit_cellEditor_date"); //$NON-NLS-1$
127: // timeWidget = new DateTime(composite, SWT.TIME);
128: // timeWidget.setData(CUSTOM_VARIANT, "org_eclipse_emf_ecp_edit_swt_cellEditor_time"); //$NON-NLS-1$
129:
130: dateWidget.addKeyListener(new KeyAdapter() {
131: private static final long serialVersionUID = 1L;
132:
133: // hook key pressed - see PR 14201
134: @Override
135: public void keyPressed(KeyEvent e) {
136: keyReleaseOccured(e);
137: }
138: });
139: dateWidget.addSelectionListener(new SelectionAdapter() {
140: private static final long serialVersionUID = 1L;
141:
142: @Override
143: public void widgetDefaultSelected(SelectionEvent event) {
144: applyEditorValueAndDeactivate();
145: }
146:
147: });
148:
149: dateWidget.addTraverseListener(new TraverseListener() {
150: private static final long serialVersionUID = 1L;
151:
152: @Override
153: public void keyTraversed(TraverseEvent e) {
154: if (e.detail == SWT.TRAVERSE_ESCAPE || e.detail == SWT.TRAVERSE_RETURN) {
155: e.doit = false;
156: }
157: }
158: });
159:
160: dateWidget.addFocusListener(new FocusAdapter() {
161: private static final long serialVersionUID = 1L;
162:
163: @Override
164: public void focusLost(FocusEvent e) {
165: DateCellEditor.this.focusLost();
166: }
167: });
168: return dateWidget;
169: }
170:
171: @Override
172: protected Object doGetValue() {
173: final Calendar selectedCalendarDate = Calendar.getInstance();
174: selectedCalendarDate.set(Calendar.YEAR, dateWidget.getYear());
175: selectedCalendarDate.set(Calendar.MONTH, dateWidget.getMonth());
176: selectedCalendarDate.set(Calendar.DAY_OF_MONTH, dateWidget.getDay());
177: selectedCalendarDate.set(Calendar.HOUR_OF_DAY, dateWidget.getHours());
178: selectedCalendarDate.set(Calendar.MINUTE, dateWidget.getMinutes());
179: selectedCalendarDate.set(Calendar.SECOND, dateWidget.getSeconds());
180: return selectedCalendarDate.getTime();
181: }
182:
183: @Override
184: protected void doSetFocus() {
185: dateWidget.setFocus();
186: }
187:
188: @Override
189: protected void doSetValue(Object value) {
190: if (value == null) {
191: return;
192: }
193: final Calendar cal = Calendar.getInstance();
194: cal.setTime((Date) value);
195: dateWidget.setDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH));
196: dateWidget.setTime(cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND));
197: }
198:
199: @Override
200: protected void focusLost() {
201: if (isActivated()) {
202: applyEditorValueAndDeactivate();
203: }
204: }
205:
206: @Override
207: protected void keyReleaseOccured(KeyEvent keyEvent) {
208: super.keyReleaseOccured(keyEvent);
209: if (keyEvent.character == '\u001b') { // Escape character
210: fireCancelEditor();
211: } else if (keyEvent.character == '\t') { // tab key
212: applyEditorValueAndDeactivate();
213: }
214: }
215:
216: /**
217: * Applies the currently selected value and deactiavates the cell editor.
218: */
219: void applyEditorValueAndDeactivate() {
220: // must set the selection before getting value
221:
222: final Object newValue = doGetValue();
223: markDirty();
224: final boolean isValid = isCorrect(newValue);
225: setValueValid(isValid);
226:
227: if (!isValid) {
228: MessageFormat.format(getErrorMessage(), new Object[] { newValue });
229: }
230:
231: fireApplyEditorValue();
232: deactivate();
233: }
234:
235: @Override
236: public String getFormatedString(Object value) {
237: final Date cal = (Date) value;
238: if (value == null) {
239: return ""; //$NON-NLS-1$
240: }
241: return dateFormat.format(cal);
242: }
243:
244: @Override
245: public int getColumnWidthWeight() {
246: return 75;
247: }
248:
249: @Override
250: public UpdateValueStrategy getTargetToModelStrategy(DataBindingContext databindingContext) {
251: // TODO Auto-generated method stub
252: return null;
253: }
254:
255: @Override
256: public UpdateValueStrategy getModelToTargetStrategy(DataBindingContext databindingContext) {
257: // TODO Auto-generated method stub
258: return null;
259: }
260:
261: @Override
262: public void setEditable(boolean editable) {
263: if (dateWidget != null) {
264: dateWidget.setEnabled(editable);
265: }
266: }
267:
268: @Override
269: public Image getImage(Object value) {
270: return null;
271: }
272:
273: @Override
274: public int getMinWidth() {
275: return 0;
276: }
277: }