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Package: SWTDiffMergeAddition$3
SWTDiffMergeAddition$3
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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.diffmerge.internal.renderer.swt;
15:
16: import org.eclipse.emf.common.notify.Adapter;
17: import org.eclipse.emf.common.notify.Notification;
18: import org.eclipse.emf.common.notify.impl.AdapterImpl;
19: import org.eclipse.emf.ecp.diffmerge.spi.context.DiffMergeModelContext;
20: import org.eclipse.emf.ecp.diffmerge.swt.DiffDialogHelper;
21: import org.eclipse.emf.ecp.spi.diffmerge.model.VDiffAttachment;
22: import org.eclipse.emf.ecp.spi.diffmerge.model.VDiffmergePackage;
23: import org.eclipse.emf.ecp.view.spi.context.ViewModelContext;
24: import org.eclipse.emf.ecp.view.spi.model.VAttachment;
25: import org.eclipse.emf.ecp.view.spi.model.VControl;
26: import org.eclipse.emf.ecp.view.spi.renderer.NoPropertyDescriptorFoundExeption;
27: import org.eclipse.emf.ecp.view.spi.renderer.NoRendererFoundException;
28: import org.eclipse.emfforms.spi.common.report.AbstractReport;
29: import org.eclipse.emfforms.spi.common.report.ReportService;
30: import org.eclipse.emfforms.spi.core.services.label.EMFFormsLabelProvider;
31: import org.eclipse.emfforms.spi.core.services.label.NoLabelFoundException;
32: import org.eclipse.emfforms.spi.swt.core.AbstractAdditionalSWTRenderer;
33: import org.eclipse.emfforms.spi.swt.core.layout.SWTGridCell;
34: import org.eclipse.emfforms.spi.swt.core.layout.SWTGridDescription;
35: import org.eclipse.swt.SWT;
36: import org.eclipse.swt.events.DisposeEvent;
37: import org.eclipse.swt.events.DisposeListener;
38: import org.eclipse.swt.events.SelectionAdapter;
39: import org.eclipse.swt.events.SelectionEvent;
40: import org.eclipse.swt.widgets.Button;
41: import org.eclipse.swt.widgets.Composite;
42: import org.eclipse.swt.widgets.Control;
43:
44: /**
45: * A diff merge addition renderer.
46: *
47: * @author Eugen Neufeld
48: *
49: */
50: public class SWTDiffMergeAddition extends AbstractAdditionalSWTRenderer<VControl> {
51:
52: /**
53: * @param vElement the view model element to be rendered
54: * @param viewContext the view context
55: * @param reportService the {@link ReportService}
56: */
57: public SWTDiffMergeAddition(VControl vElement, ViewModelContext viewContext, ReportService reportService) {
58: super(vElement, viewContext, reportService);
59: }
60:
61: /**
62: * {@inheritDoc}
63: *
64: * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#getGridDescription(org.eclipse.emfforms.spi.swt.core.layout.SWTGridDescription)
65: */
66: @Override
67: public SWTGridDescription getGridDescription(SWTGridDescription gridDescription) {
68: final SWTGridDescription addGridDescription = gridDescription.copy();
69: addGridDescription.getGrid().add(new SWTGridCell(0, addGridDescription.getColumns(), this));
70: addGridDescription.setColumns(addGridDescription.getColumns() + 1);
71: return addGridDescription;
72: }
73:
74: /**
75: * {@inheritDoc}
76: *
77: * @see org.eclipse.emfforms.spi.swt.core.AbstractSWTRenderer#renderControl(org.eclipse.emfforms.spi.swt.core.layout.SWTGridCell,
78: * org.eclipse.swt.widgets.Composite)
79: */
80: @Override
81: protected Control renderControl(SWTGridCell cell, Composite parent) throws NoRendererFoundException,
82: NoPropertyDescriptorFoundExeption {
83: // if (gridDescription.getColumns() == cell.getColumn() + 1) {
84: if (cell.getRenderer() == this) {
85: return createDiffButton(parent);
86:
87: }
88: return null;
89: }
90:
91: /**
92: * @param parent
93: */
94: private Button createDiffButton(Composite parent) {
95: final Button diffButton = new Button(parent, SWT.PUSH);
96: diffButton.setText(Messages.getString("SWTDiffMergeControlRenderer.DiffButton")); //$NON-NLS-1$
97: diffButton.setData(CUSTOM_VARIANT, "org_eclipse_emf_ecp_control_compare_button"); //$NON-NLS-1$
98: // diffButton.setLayoutData(SWTRenderingHelper.INSTANCE.getLayoutHelper().getLeftColumnLayoutData());
99: diffButton.addSelectionListener(new SelectionAdapter() {
100:
101: /**
102: * {@inheritDoc}
103: *
104: * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
105: */
106: @Override
107: public void widgetSelected(SelectionEvent e) {
108: super.widgetSelected(e);
109: openDiffDialog((DiffMergeModelContext) getViewModelContext(), getVElement());
110: }
111:
112: });
113: for (final VAttachment attachment : getVElement().getAttachments()) {
114: if (VDiffAttachment.class.isInstance(attachment)) {
115: final Adapter adapter = new AdapterImpl() {
116:
117: /**
118: * {@inheritDoc}
119: *
120: * @see org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(org.eclipse.emf.common.notify.Notification)
121: */
122: @Override
123: public void notifyChanged(Notification msg) {
124: super.notifyChanged(msg);
125: if (msg.getFeature() == VDiffmergePackage.eINSTANCE.getDiffAttachment_MergedDiffs()) {
126: updateButton(diffButton, (VDiffAttachment) attachment);
127: }
128: }
129:
130: };
131: attachment.eAdapters().add(adapter);
132: diffButton.addDisposeListener(new DisposeListener() {
133:
134: @Override
135: public void widgetDisposed(DisposeEvent event) {
136: attachment.eAdapters().remove(adapter);
137: }
138: });
139: updateButton(diffButton, (VDiffAttachment) attachment);
140: break;
141: }
142: }
143: return diffButton;
144: }
145:
146: private void updateButton(Button diffButton, VDiffAttachment attachment) {
147: if (attachment.getMergedDiffs() == 0) {
148: diffButton.setImage(Activator.getImage("icons/lightning.png")); //$NON-NLS-1$
149: } else {
150: diffButton.setImage(Activator.getImage("icons/accept.png")); //$NON-NLS-1$
151: }
152: }
153:
154: private void openDiffDialog(DiffMergeModelContext diffModelContext, VControl vControl) {
155:
156: String label;
157: try {
158: label = (String) getViewModelContext().getService(EMFFormsLabelProvider.class)
159: .getDisplayName(vControl.getDomainModelReference(), diffModelContext.getDomainModel()).getValue();
160: } catch (final NoLabelFoundException ex) {
161: getViewModelContext().getService(ReportService.class).report(new AbstractReport(ex));
162: label = ex.getMessage();
163: }
164:
165: DiffDialogHelper.showDialog(diffModelContext, vControl, label);
166: }
167:
168: }