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Package: HexColorSelectionControlSWTRenderer
HexColorSelectionControlSWTRenderer
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| HexColorSelectionControlSWTRenderer(VControl, ViewModelContext, ReportService) |
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| createSWTControl(Composite) |
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| getString(RGB) |
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| getUnsetText() |
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| setValue(String) |
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| static {...} |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2014 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 - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.template.internal.tooling.controls;
15:
16: import org.eclipse.core.databinding.Binding;
17: import org.eclipse.core.databinding.UpdateValueStrategy;
18: import org.eclipse.core.databinding.observable.IObserving;
19: import org.eclipse.core.databinding.observable.value.IObservableValue;
20: import org.eclipse.emf.common.command.Command;
21: import org.eclipse.emf.ecore.EObject;
22: import org.eclipse.emf.ecore.EStructuralFeature;
23: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
24: import org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer;
25: import org.eclipse.emf.ecp.view.spi.model.VControl;
26: import org.eclipse.emf.ecp.view.template.internal.tooling.Messages;
27: import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider;
28: import org.eclipse.emf.edit.command.SetCommand;
29: import org.eclipse.emf.edit.domain.EditingDomain;
30: import org.eclipse.emfforms.spi.common.report.ReportService;
31: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
32: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
33: import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
34: import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
35: import org.eclipse.jface.databinding.swt.typed.WidgetProperties;
36: import org.eclipse.jface.layout.GridDataFactory;
37: import org.eclipse.jface.layout.GridLayoutFactory;
38: import org.eclipse.swt.SWT;
39: import org.eclipse.swt.events.SelectionAdapter;
40: import org.eclipse.swt.events.SelectionEvent;
41: import org.eclipse.swt.graphics.Color;
42: import org.eclipse.swt.graphics.RGB;
43: import org.eclipse.swt.widgets.Button;
44: import org.eclipse.swt.widgets.ColorDialog;
45: import org.eclipse.swt.widgets.Composite;
46: import org.eclipse.swt.widgets.Control;
47: import org.eclipse.swt.widgets.Display;
48: import org.eclipse.swt.widgets.Label;
49: import org.osgi.framework.BundleContext;
50: import org.osgi.framework.FrameworkUtil;
51: import org.osgi.framework.ServiceReference;
52:
53: /**
54: * @author Eugen
55: *
56: */
57: public class HexColorSelectionControlSWTRenderer extends SimpleControlSWTControlSWTRenderer {
58:
59: private static final EMFFormsDatabinding EMFFORMS_DATABINDING;
60: private static final EMFFormsLabelProvider EMFFORMS_LABELPROVIDER;
61: private static final VTViewTemplateProvider VT_VIEW_TEMPLATEPROVIDER;
62:
63: static {
64: final BundleContext bundleContext = FrameworkUtil.getBundle(HexColorSelectionControlSWTRenderer.class)
65: .getBundleContext();
66: final ServiceReference<EMFFormsDatabinding> emfFormsDatabindingServiceReference = bundleContext
67: .getServiceReference(EMFFormsDatabinding.class);
68: EMFFORMS_DATABINDING = bundleContext.getService(emfFormsDatabindingServiceReference);
69: final ServiceReference<EMFFormsLabelProvider> emfFormsLabelProviderServiceReference = bundleContext
70: .getServiceReference(EMFFormsLabelProvider.class);
71: EMFFORMS_LABELPROVIDER = bundleContext.getService(emfFormsLabelProviderServiceReference);
72: final ServiceReference<VTViewTemplateProvider> vtViewTemplateProviderServiceReference = bundleContext
73: .getServiceReference(VTViewTemplateProvider.class);
74: VT_VIEW_TEMPLATEPROVIDER = bundleContext.getService(vtViewTemplateProviderServiceReference);
75: }
76:
77: /**
78: * Default constructor.
79: *
80: * @param vElement the view model element to be rendered
81: * @param viewContext the view context
82: * @param reportService The {@link ReportService}
83: */
84: public HexColorSelectionControlSWTRenderer(VControl vElement, ViewModelContext viewContext,
85: ReportService reportService) {
86: super(vElement, viewContext, reportService, EMFFORMS_DATABINDING, EMFFORMS_LABELPROVIDER,
87: VT_VIEW_TEMPLATEPROVIDER);
88: }
89:
90: /**
91: * {@inheritDoc}
92: *
93: * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer#createBindings(org.eclipse.swt.widgets.Control,
94: * org.eclipse.emf.ecore.EStructuralFeature.Setting)
95: */
96: @Override
97: protected Binding[] createBindings(Control control) throws DatabindingFailedException {
98: final Composite composite = Composite.class.cast(control);
99: final Control childControl = composite.getChildren()[0];
100: final IObservableValue value = WidgetProperties.background().observe(childControl);
101: final Binding binding = getDataBindingContext().bindValue(value, getModelValue(),
102: withPreSetValidation(new UpdateValueStrategy() {
103: @Override
104: public Object convert(Object value) {
105: if (value == null) {
106: return null;
107: }
108: return getString(Color.class.cast(value).getRGB());
109: }
110: }), new UpdateValueStrategy() {
111: @Override
112: public Object convert(Object value) {
113: final String hexString = (String) value;
114: if (hexString == null) {
115: return null;
116: }
117: final int red = Integer.parseInt(hexString.substring(0, 2), 16);
118: final int green = Integer.parseInt(hexString.substring(2, 4), 16);
119: final int blue = Integer.parseInt(hexString.substring(4, 6), 16);
120: final Color color = new Color(Display.getCurrent(), red, green, blue);
121: return color;
122: }
123:
124: });
125: final IObservableValue textValue = WidgetProperties.tooltipText().observe(childControl);
126: final Binding textBinding = getDataBindingContext().bindValue(textValue, getModelValue());
127: return new Binding[] { binding, textBinding };
128: }
129:
130: /**
131: * {@inheritDoc}
132: *
133: * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer#createSWTControl(org.eclipse.swt.widgets.Composite)
134: */
135: @Override
136: protected Control createSWTControl(final Composite parent) {
137: final Composite composite = new Composite(parent, SWT.NONE);
138: GridLayoutFactory.fillDefaults().numColumns(3).equalWidth(false).applyTo(composite);
139: final Label colorExample = new Label(composite, SWT.BORDER);
140: GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.FILL).grab(false, false).hint(40, SWT.DEFAULT)
141: .applyTo(colorExample);
142: final Button selectColorBtn = new Button(composite, SWT.PUSH);
143: GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.FILL).grab(false, false).applyTo(selectColorBtn);
144: selectColorBtn.setText(Messages.HexColorSelectionControlSWTRenderer_SelectColorBtn);
145: selectColorBtn.addSelectionListener(new SelectionAdapter() {
146:
147: /**
148: * {@inheritDoc}
149: *
150: * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
151: */
152: @Override
153: public void widgetSelected(SelectionEvent e) {
154: super.widgetSelected(e);
155: final ColorDialog cd = new ColorDialog(parent.getShell());
156: final RGB rgb = cd.open();
157: if (rgb != null) {
158: setValue(getString(rgb));
159: }
160: }
161:
162: });
163: final Button unsetColorBtn = new Button(composite, SWT.PUSH);
164: GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.FILL).grab(false, false).applyTo(unsetColorBtn);
165: unsetColorBtn.setText(Messages.HexColorSelectionControlSWTRenderer_UnsetColorBtn);
166: unsetColorBtn.addSelectionListener(new SelectionAdapter() {
167: @Override
168: public void widgetSelected(SelectionEvent e) {
169: setValue(null);
170: }
171: });
172:
173: return composite;
174: }
175:
176: private String getString(RGB rgb) {
177:• if (rgb == null) {
178: return null;
179: }
180: final String red = Integer.toHexString(0x100 | rgb.red).substring(1);
181: final String green = Integer.toHexString(0x100 | rgb.green).substring(1);
182: final String blue = Integer.toHexString(0x100 | rgb.blue).substring(1);
183: return red + green + blue;
184: }
185:
186: private void setValue(String hexColor) {
187: IObservableValue observableValue;
188: try {
189: observableValue = getEMFFormsDatabinding()
190: .getObservableValue(getVElement().getDomainModelReference(), getViewModelContext().getDomainModel());
191: } catch (final DatabindingFailedException ex) {
192: getReportService().report(new DatabindingFailedReport(ex));
193: return;
194: }
195: final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType();
196: final EObject eObject = (EObject) ((IObserving) observableValue).getObserved();
197: observableValue.dispose();
198:
199: final EditingDomain editingDomain = getEditingDomain(eObject);
200: final Command command = SetCommand.create(editingDomain, eObject, structuralFeature, hexColor);
201: editingDomain.getCommandStack().execute(command);
202: }
203:
204: /**
205: * {@inheritDoc}
206: *
207: * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTRenderer#getUnsetText()
208: */
209: @Override
210: protected String getUnsetText() {
211: // TODO Auto-generated method stub
212: return null;
213: }
214:
215: }