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Package: CreateDialog
CreateDialog
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| CreateDialog(Shell, EObject) |
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| configureShell(Shell) |
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| createButtonsForButtonBar(Composite) |
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| createDialogArea(Composite) |
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| getCreatedInstance() |
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| okPressed() |
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| updateOKButtonEnablement() |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2015 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: * Clemens Elflein - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.internal.editor.ui;
15:
16: import java.util.Set;
17:
18: import org.eclipse.emf.common.util.Diagnostic;
19: import org.eclipse.emf.ecore.EObject;
20: import org.eclipse.emf.ecore.util.Diagnostician;
21: import org.eclipse.emf.ecp.ui.view.ECPRendererException;
22: import org.eclipse.emf.ecp.ui.view.swt.ECPSWTView;
23: import org.eclipse.emf.ecp.ui.view.swt.ECPSWTViewRenderer;
24: import org.eclipse.emf.ecp.view.spi.model.VViewFactory;
25: import org.eclipse.emf.ecp.view.spi.model.VViewModelProperties;
26: import org.eclipse.emf.ecp.view.spi.validation.ValidationService;
27: import org.eclipse.emf.ecp.view.spi.validation.ViewValidationListener;
28: import org.eclipse.emfforms.spi.editor.messages.Messages;
29: import org.eclipse.emfforms.swt.core.EMFFormsSWTConstants;
30: import org.eclipse.jface.dialogs.Dialog;
31: import org.eclipse.jface.dialogs.IDialogConstants;
32: import org.eclipse.jface.dialogs.MessageDialog;
33: import org.eclipse.swt.SWT;
34: import org.eclipse.swt.custom.ScrolledComposite;
35: import org.eclipse.swt.graphics.Color;
36: import org.eclipse.swt.layout.FillLayout;
37: import org.eclipse.swt.layout.GridData;
38: import org.eclipse.swt.layout.GridLayout;
39: import org.eclipse.swt.widgets.Button;
40: import org.eclipse.swt.widgets.Composite;
41: import org.eclipse.swt.widgets.Control;
42: import org.eclipse.swt.widgets.Shell;
43:
44: /**
45: * The Class CreateDialog allows initializing newly created EObjects.
46: * It also can be used to create an EObject and initialize it directly.
47: *
48: * @author Clemens Elflein
49: */
50: public class CreateDialog extends Dialog {
51:
52: /** The new object. */
53: private final EObject newObject;
54: private ECPSWTView ecpswtView;
55:
56: /**
57: * Instantiates a new dialog.
58: *
59: * @param parent the parent
60: * @param createdInstance an EObject to initialize
61: */
62: public CreateDialog(Shell parent, EObject createdInstance) {
63: super(parent);
64: newObject = createdInstance;
65: setShellStyle(getShellStyle() | SWT.RESIZE);
66: }
67:
68: @Override
69: protected void configureShell(Shell newShell) {
70: super.configureShell(newShell);
71: newShell.setText(Messages.CreateDialog_CreateDialogTitle + newObject.eClass().getName());
72: newShell.setMinimumSize(300, 150);
73: newShell.setBackground(new Color(newShell.getDisplay(), 255, 255, 255));
74: newShell.setBackgroundMode(SWT.INHERIT_FORCE);
75: }
76:
77: @Override
78: protected Control createDialogArea(Composite parent) {
79:
80: final GridData parentData = new GridData(SWT.FILL, SWT.FILL, true, true);
81: parent.setLayout(new GridLayout(1, true));
82: parent.setLayoutData(parentData);
83:
84: final ScrolledComposite wrapper = new ScrolledComposite(parent, SWT.V_SCROLL);
85: wrapper.setExpandHorizontal(true);
86: wrapper.setExpandVertical(true);
87: final FillLayout wrapperLayout = new FillLayout();
88: wrapperLayout.marginHeight = 10;
89: wrapperLayout.marginWidth = 10;
90: wrapper.setLayout(wrapperLayout);
91: wrapper.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
92:
93: final Composite emfFormsParent = new Composite(wrapper, SWT.NONE);
94: wrapper.setContent(emfFormsParent);
95: emfFormsParent.setLayout(new GridLayout());
96:
97: try {
98: final VViewModelProperties properties = VViewFactory.eINSTANCE.createViewModelLoadingProperties();
99: properties.addInheritableProperty(EMFFormsSWTConstants.USE_ON_MODIFY_DATABINDING_KEY,
100: EMFFormsSWTConstants.USE_ON_MODIFY_DATABINDING_VALUE);
101: ecpswtView = ECPSWTViewRenderer.INSTANCE.render(emfFormsParent, newObject, properties);
102: final ValidationService validationService = ecpswtView.getViewModelContext()
103: .getService(ValidationService.class);
104: validationService.registerValidationListener(new ViewValidationListener() {
105: @Override
106: public void onNewValidation(Set<Diagnostic> validationResults) {
107: updateOKButtonEnablement();
108: }
109: });
110: } catch (final ECPRendererException e) {
111: }
112:
113: wrapper.setMinSize(wrapper.computeSize(SWT.DEFAULT, SWT.DEFAULT));
114:
115: return parent;
116: }
117:
118: @Override
119: protected void okPressed() {
120: getParentShell().forceFocus();
121: final Diagnostic result = Diagnostician.INSTANCE.validate(newObject);
122:• if (result.getSeverity() == Diagnostic.OK) {
123: super.okPressed();
124: } else {
125: // Get the error count and create an appropriate Error message:
126: final int errorCount = result.getChildren().size();
127:
128: final StringBuilder sb = new StringBuilder();
129:
130: sb.append(errorCount);
131: sb.append(" "); //$NON-NLS-1$
132:• sb.append(errorCount == 1 ? Messages.CreateDialog_ErrorSingular : Messages.CreateDialog_ErrorPlural);
133: sb.append(Messages.CreateDialog_ErrorOccuredMessage);
134:
135: int messageCount = 1;
136:• for (final Diagnostic d : result.getChildren()) {
137: sb.append("\r\n"); //$NON-NLS-1$
138: sb.append(messageCount++);
139: sb.append(". "); //$NON-NLS-1$
140: sb.append(d.getMessage());
141: }
142:
143: final String errorMessage = sb.toString();
144:
145: MessageDialog.open(MessageDialog.ERROR, getParentShell(), Messages.CreateDialog_ErrorDialogTitle,
146: errorMessage, SWT.NONE);
147: }
148: }
149:
150: /**
151: * Gets the created instance or the updated one, if it was passed in the constructor.
152: * All fields are initialized with user inputs
153: *
154: * @return the created instance
155: */
156: public EObject getCreatedInstance() {
157: return newObject;
158: }
159:
160: @Override
161: protected void createButtonsForButtonBar(Composite parent) {
162: super.createButtonsForButtonBar(parent);
163: updateOKButtonEnablement();
164: }
165:
166: private void updateOKButtonEnablement() {
167: final Button button = getButton(IDialogConstants.OK_ID);
168:• if (button == null) {
169: return;
170: }
171: if (ecpswtView.getViewModelContext().getViewModel().getDiagnostic()
172:• .getHighestSeverity() >= Diagnostic.ERROR) {
173: button.setEnabled(false);
174: } else {
175: button.setEnabled(true);
176: }
177: }
178: }