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Package: RuleConditionDmrOpenInNewContextStrategyProvider$Strategy
RuleConditionDmrOpenInNewContextStrategyProvider$Strategy
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| RuleConditionDmrOpenInNewContextStrategyProvider.Strategy(RuleConditionDmrOpenInNewContextStrategyProvider) |
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| openInNewContext(EObject, EReference, EObject) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2019 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: * Lucas Koehler - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.internal.editor.handler;
15:
16: import java.text.MessageFormat;
17: import java.util.Optional;
18:
19: import org.eclipse.core.runtime.IStatus;
20: import org.eclipse.emf.common.command.Command;
21: import org.eclipse.emf.ecore.EClass;
22: import org.eclipse.emf.ecore.EObject;
23: import org.eclipse.emf.ecore.EReference;
24: import org.eclipse.emf.ecp.ui.view.swt.reference.OpenInNewContextStrategy;
25: import org.eclipse.emf.ecp.ui.view.swt.reference.OpenInNewContextStrategy.Provider;
26: import org.eclipse.emf.ecp.ui.view.swt.reference.ReferenceServiceCustomizationVendor;
27: import org.eclipse.emf.ecp.view.spi.editor.controls.EStructuralFeatureSelectionValidator;
28: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
29: import org.eclipse.emf.ecp.view.spi.model.VViewPackage;
30: import org.eclipse.emf.ecp.view.spi.rule.RuleConditionDmrUtil;
31: import org.eclipse.emf.ecp.view.spi.rule.model.Condition;
32: import org.eclipse.emf.edit.command.SetCommand;
33: import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
34: import org.eclipse.emf.edit.domain.EditingDomain;
35: import org.eclipse.emfforms.bazaar.Create;
36: import org.eclipse.emfforms.spi.common.report.AbstractReport;
37: import org.eclipse.emfforms.spi.common.report.ReportService;
38: import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
39: import org.eclipse.emfforms.spi.ide.view.segments.ToolingModeUtil;
40: import org.eclipse.jface.wizard.WizardDialog;
41: import org.eclipse.swt.widgets.Display;
42: import org.osgi.service.component.annotations.Component;
43: import org.osgi.service.component.annotations.Reference;
44:
45: /**
46: * Provides a strategy to edit a <strong>segment-based</strong> {@link VDomainModelReference} for a rule
47: * {@link Condition}. This provider is only active if the IDE tooling runs in segment mode.
48: * <p>
49: * Overwrite {@link #getSelectionValidator()} to customize valid feature selections for specific condition types.
50: *
51: * @author Lucas Koehler
52: *
53: */
54: @Component(name = "RuleConditionDmrOpenInNewContextStrategyProvider", property = "service.ranking:Integer=30")
55: public class RuleConditionDmrOpenInNewContextStrategyProvider
56: extends ReferenceServiceCustomizationVendor<OpenInNewContextStrategy> implements Provider {
57:
58: private EMFFormsDatabindingEMF databinding;
59: private ReportService reportService;
60:
61: /**
62: * Set the {@link EMFFormsDatabindingEMF}.
63: *
64: * @param databinding The {@link EMFFormsDatabindingEMF}
65: */
66: @Reference(unbind = "-")
67: void setEMFFormsDatabindingEMF(EMFFormsDatabindingEMF databinding) {
68: this.databinding = databinding;
69: }
70:
71: /**
72: * Set the {@link ReportService}.
73: *
74: * @param reportService The {@link ReportService}
75: */
76: @Reference(unbind = "-")
77: void setReportService(ReportService reportService) {
78: this.reportService = reportService;
79: }
80:
81: @Override
82: protected boolean handles(EObject owner, EReference reference) {
83: return isSegmentToolingEnabled()
84: && owner instanceof Condition
85: && reference.getEReferenceType() == VViewPackage.Literals.DOMAIN_MODEL_REFERENCE;
86: }
87:
88: /**
89: * @return true if segment based tooling is enabled
90: */
91: protected boolean isSegmentToolingEnabled() {
92: return ToolingModeUtil.isSegmentToolingEnabled();
93: }
94:
95: /**
96: * Returns the {@link EStructuralFeatureSelectionValidator} used by the DMR creation wizard to validate the
97: * structural feature selection.
98: * <p>
99: * Overwrite this to customize valid selections
100: *
101: * @return The {@link EStructuralFeatureSelectionValidator}
102: */
103: protected EStructuralFeatureSelectionValidator getSelectionValidator() {
104: return feature -> null;
105: }
106:
107: /**
108: * Creates the {@link OpenInNewContextStrategy}.
109: *
110: * @return The created {@link OpenInNewContextStrategy}
111: */
112: @Create
113: public OpenInNewContextStrategy createOpenInNewContextStrategy() {
114: return new Strategy();
115: }
116:
117: /**
118: * This strategy allows to edit a segment-based child dmr in a {@link CreateSegmentDmrWizard}.
119: *
120: * @author Lucas Koehler
121: */
122: class Strategy implements OpenInNewContextStrategy {
123:
124: @Override
125: public boolean openInNewContext(EObject owner, EReference reference, EObject object) {
126: final java.util.Optional<EClass> rootEClass = RuleConditionDmrUtil.getDmrRootEClass(databinding,
127: reportService, owner);
128:• if (!rootEClass.isPresent()) {
129: final String message = MessageFormat.format(
130: "Could not edit the domain model reference for condition ''{0}'' because no root EClass could be determined.", //$NON-NLS-1$
131: owner);
132: reportService.report(new AbstractReport(message, IStatus.WARNING));
133: return false;
134: }
135:
136: final CreateSegmentDmrWizard dmrWizard = new CreateSegmentDmrWizard(rootEClass.get(),
137: "Edit Domain Model Reference", (VDomainModelReference) object, getSelectionValidator()); //$NON-NLS-1$
138:
139: final WizardDialog wizardDialog = new WizardDialog(Display.getDefault().getActiveShell(), dmrWizard);
140: wizardDialog.setBlockOnOpen(true);
141: wizardDialog.open();
142:
143: // Replace old dmr with edited version
144: final Optional<VDomainModelReference> dmr = dmrWizard.getDomainModelReference();
145:• if (dmr.isPresent()) {
146: final EditingDomain domain = AdapterFactoryEditingDomain.getEditingDomainFor(owner);
147: // The DMR is always set in a single reference
148: final Command command = SetCommand.create(domain, owner, reference, dmr.get());
149: domain.getCommandStack().execute(command);
150: }
151:
152: return true;
153: }
154: }
155: }