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Package: URLSelectionControlSWTRenderer$1
URLSelectionControlSWTRenderer$1
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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 java.io.File;
17: import java.net.MalformedURLException;
18:
19: import org.eclipse.core.databinding.Binding;
20: import org.eclipse.core.databinding.UpdateValueStrategy;
21: import org.eclipse.core.databinding.observable.IObserving;
22: import org.eclipse.core.databinding.observable.value.IObservableValue;
23: import org.eclipse.core.resources.IResource;
24: import org.eclipse.core.resources.ResourcesPlugin;
25: import org.eclipse.emf.common.command.Command;
26: import org.eclipse.emf.ecore.EObject;
27: import org.eclipse.emf.ecore.EStructuralFeature;
28: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
29: import org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer;
30: import org.eclipse.emf.ecp.view.spi.model.VControl;
31: import org.eclipse.emf.ecp.view.template.internal.tooling.Activator;
32: import org.eclipse.emf.ecp.view.template.internal.tooling.Messages;
33: import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider;
34: import org.eclipse.emf.edit.command.SetCommand;
35: import org.eclipse.emf.edit.domain.EditingDomain;
36: import org.eclipse.emfforms.spi.common.report.ReportService;
37: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
38: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
39: import org.eclipse.emfforms.spi.core.services.databinding.EMFFormsDatabinding;
40: import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
41: import org.eclipse.jface.databinding.swt.typed.WidgetProperties;
42: import org.eclipse.jface.layout.GridDataFactory;
43: import org.eclipse.jface.layout.GridLayoutFactory;
44: import org.eclipse.jface.viewers.ILabelProvider;
45: import org.eclipse.jface.viewers.ITreeContentProvider;
46: import org.eclipse.jface.window.Window;
47: import org.eclipse.swt.SWT;
48: import org.eclipse.swt.events.SelectionAdapter;
49: import org.eclipse.swt.events.SelectionEvent;
50: import org.eclipse.swt.widgets.Button;
51: import org.eclipse.swt.widgets.Composite;
52: import org.eclipse.swt.widgets.Control;
53: import org.eclipse.swt.widgets.FileDialog;
54: import org.eclipse.swt.widgets.Label;
55: import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
56: import org.eclipse.ui.model.WorkbenchContentProvider;
57: import org.eclipse.ui.model.WorkbenchLabelProvider;
58: import org.osgi.framework.BundleContext;
59: import org.osgi.framework.FrameworkUtil;
60: import org.osgi.framework.ServiceReference;
61:
62: /**
63: * Control for selecting a file and saving the path as url.
64: *
65: * @author Eugen Neufeld
66: *
67: */
68: public class URLSelectionControlSWTRenderer extends SimpleControlSWTControlSWTRenderer {
69:
70: private static final EMFFormsDatabinding EMFFORMS_DATABINDING;
71: private static final EMFFormsLabelProvider EMFFORMS_LABELPROVIDER;
72: private static final VTViewTemplateProvider VT_VIEW_TEMPLATEPROVIDER;
73:
74: static {
75: final BundleContext bundleContext = FrameworkUtil.getBundle(URLSelectionControlSWTRenderer.class)
76: .getBundleContext();
77: final ServiceReference<EMFFormsDatabinding> emfFormsDatabindingServiceReference = bundleContext
78: .getServiceReference(EMFFormsDatabinding.class);
79: EMFFORMS_DATABINDING = bundleContext.getService(emfFormsDatabindingServiceReference);
80: final ServiceReference<EMFFormsLabelProvider> emfFormsLabelProviderServiceReference = bundleContext
81: .getServiceReference(EMFFormsLabelProvider.class);
82: EMFFORMS_LABELPROVIDER = bundleContext.getService(emfFormsLabelProviderServiceReference);
83: final ServiceReference<VTViewTemplateProvider> vtViewTemplateProviderServiceReference = bundleContext
84: .getServiceReference(VTViewTemplateProvider.class);
85: VT_VIEW_TEMPLATEPROVIDER = bundleContext.getService(vtViewTemplateProviderServiceReference);
86: }
87:
88: /**
89: * Default constructor.
90: *
91: * @param vElement the view model element to be rendered
92: * @param viewContext the view context
93: * @param reportService The {@link ReportService}
94: */
95: public URLSelectionControlSWTRenderer(VControl vElement, ViewModelContext viewContext,
96: ReportService reportService) {
97: super(vElement, viewContext, reportService, EMFFORMS_DATABINDING, EMFFORMS_LABELPROVIDER,
98: VT_VIEW_TEMPLATEPROVIDER);
99: }
100:
101: /**
102: * {@inheritDoc}
103: *
104: * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer#createBindings(org.eclipse.swt.widgets.Control,
105: * org.eclipse.emf.ecore.EStructuralFeature.Setting)
106: */
107: @Override
108: protected Binding[] createBindings(Control control) throws DatabindingFailedException {
109: final Composite composite = Composite.class.cast(control);
110: final Control childControl = composite.getChildren()[0];
111: final IObservableValue value = WidgetProperties.text().observe(childControl);
112: final Binding binding = getDataBindingContext().bindValue(value, getModelValue(),
113: withPreSetValidation(new UpdateValueStrategy()), null);
114:
115: final IObservableValue toolTip = WidgetProperties.tooltipText().observe(childControl);
116: final Binding tooltipBinding = getDataBindingContext().bindValue(toolTip, getModelValue(),
117: withPreSetValidation(new UpdateValueStrategy()), null);
118: return new Binding[] { binding, tooltipBinding };
119: }
120:
121: /**
122: * {@inheritDoc}
123: *
124: * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer#createSWTControl(org.eclipse.swt.widgets.Composite)
125: */
126: @Override
127: protected Control createSWTControl(Composite parent) {
128: final Composite composite = new Composite(parent, SWT.NONE);
129: composite.setBackgroundMode(SWT.INHERIT_FORCE);
130: GridLayoutFactory.fillDefaults().numColumns(3).equalWidth(false).applyTo(composite);
131: final Label label = new Label(composite, SWT.NONE);
132: GridDataFactory.fillDefaults().align(SWT.FILL, SWT.BEGINNING).grab(true, false).applyTo(label);
133: final Button selectExternFileButton = new Button(composite, SWT.PUSH);
134: GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.BEGINNING).grab(false, false)
135: .applyTo(selectExternFileButton);
136: selectExternFileButton.setText(Messages.URLSelectionControlSWTRenderer_SelectExternalFileBtn);
137: selectExternFileButton.addSelectionListener(new SelectionAdapter() {
138:
139: /**
140: * {@inheritDoc}
141: *
142: * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
143: */
144: @Override
145: public void widgetSelected(SelectionEvent e) {
146: super.widgetSelected(e);
147: // show dialog
148: final FileDialog fd = new FileDialog(composite.getShell(), SWT.OPEN);
149: final String open = fd.open();
150:• if (open == null) {
151: return;
152: }
153: String selectedURL = null;
154: try {
155: selectedURL = new File(open).toURI().toURL().toExternalForm();
156: } catch (final MalformedURLException ex) {
157: Activator.log(ex);
158: }
159: setValue(selectedURL);
160: }
161:
162: });
163:
164: final Button selectWorkspaceFileButton = new Button(composite, SWT.PUSH);
165: GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.BEGINNING).grab(false, false)
166: .applyTo(selectWorkspaceFileButton);
167: selectWorkspaceFileButton.setText(Messages.URLSelectionControlSWTRenderer_SelectWorkspaceFileBtn);
168: selectWorkspaceFileButton.addSelectionListener(new SelectionAdapter() {
169:
170: /**
171: * {@inheritDoc}
172: *
173: * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
174: */
175: @Override
176: public void widgetSelected(SelectionEvent e) {
177: super.widgetSelected(e);
178: final ITreeContentProvider contentProvider = new WorkbenchContentProvider();
179: final ILabelProvider labelProvider = new WorkbenchLabelProvider();
180: final ElementTreeSelectionDialog etsd = new ElementTreeSelectionDialog(composite.getShell(),
181: labelProvider, contentProvider);
182: etsd.setInput(ResourcesPlugin.getWorkspace().getRoot());
183: final int open = etsd.open();
184: if (Window.CANCEL == open) {
185: return;
186: }
187: final IResource resource = (IResource) etsd.getResult()[0];
188:
189: final String selectedURL = "platform:/plugin" + resource.getFullPath().toString(); //$NON-NLS-1$
190:
191: setValue(selectedURL);
192: }
193:
194: });
195: return composite;
196: }
197:
198: private void setValue(String selectedURL) {
199: IObservableValue observableValue;
200: try {
201: observableValue = getEMFFormsDatabinding()
202: .getObservableValue(getVElement().getDomainModelReference(), getViewModelContext().getDomainModel());
203: } catch (final DatabindingFailedException ex) {
204: getReportService().report(new DatabindingFailedReport(ex));
205: return;
206: }
207: final EStructuralFeature structuralFeature = (EStructuralFeature) observableValue.getValueType();
208: final EObject eObject = (EObject) ((IObserving) observableValue).getObserved();
209: observableValue.dispose();
210:
211: final EditingDomain editingDomain = getEditingDomain(eObject);
212: final Command command = SetCommand.create(editingDomain, eObject, structuralFeature, selectedURL);
213: editingDomain.getCommandStack().execute(command);
214: }
215:
216: /**
217: * {@inheritDoc}
218: *
219: * @see org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTRenderer#getUnsetText()
220: */
221: @Override
222: protected String getUnsetText() {
223: return Messages.URLSelectionControlSWTRenderer_UnsetText;
224: }
225:
226: }