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comparison org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet014WizardDialog.d @ 90:6086085e153d

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Added databinding snippets. unmodified java sources.
author Frank Benoit <benoit@tionex.de>
date Sun, 19 Apr 2009 11:33:55 +0200
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children 5d5bd660917f
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89:0ca1aee7decf 90:6086085e153d
1 /*******************************************************************************
2 * Copyright (c) 2007 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * Boris Bokowski, IBM Corporation - initial API and implementation
10 * Matthew Hall - bug 260329
11 *******************************************************************************/
12
13 package org.eclipse.jface.examples.databinding.snippets;
14
15 import java.util.Date;
16
17 import org.eclipse.core.databinding.DataBindingContext;
18 import org.eclipse.core.databinding.UpdateValueStrategy;
19 import org.eclipse.core.databinding.observable.Realm;
20 import org.eclipse.core.databinding.observable.value.IObservableValue;
21 import org.eclipse.core.databinding.observable.value.WritableValue;
22 import org.eclipse.core.databinding.validation.IValidator;
23 import org.eclipse.core.databinding.validation.ValidationStatus;
24 import org.eclipse.core.runtime.IStatus;
25 import org.eclipse.jface.databinding.swt.SWTObservables;
26 import org.eclipse.jface.databinding.wizard.WizardPageSupport;
27 import org.eclipse.jface.layout.GridLayoutFactory;
28 import org.eclipse.jface.resource.ImageDescriptor;
29 import org.eclipse.jface.wizard.IWizard;
30 import org.eclipse.jface.wizard.Wizard;
31 import org.eclipse.jface.wizard.WizardDialog;
32 import org.eclipse.jface.wizard.WizardPage;
33 import org.eclipse.swt.SWT;
34 import org.eclipse.swt.graphics.Image;
35 import org.eclipse.swt.widgets.Composite;
36 import org.eclipse.swt.widgets.Display;
37 import org.eclipse.swt.widgets.Label;
38 import org.eclipse.swt.widgets.Text;
39
40 /**
41 * Creates and opens a wizard dialog with two simple wizard pages.
42 */
43 public class Snippet014WizardDialog {
44
45 static class FirstWizardPage extends WizardPage {
46 private final class SingleDigitValidator implements IValidator {
47 public IStatus validate(Object value) {
48 Integer i = (Integer) value;
49 if (i == null) {
50 return ValidationStatus
51 .info("Please enter a value.");
52 }
53 if (i.intValue() < 0 || i.intValue() > 9) {
54 return ValidationStatus
55 .error("Value must be between 0 and 9.");
56 }
57 return ValidationStatus.ok();
58 }
59 }
60
61 protected FirstWizardPage() {
62 super("First", "First Page", ImageDescriptor
63 .createFromImage(new Image(Display.getDefault(), 16, 16)));
64 }
65
66 public void createControl(Composite parent) {
67 DataBindingContext dbc = new DataBindingContext();
68 WizardPageSupport.create(this, dbc);
69 Composite composite = new Composite(parent, SWT.NONE);
70 Label label = new Label(composite, SWT.NONE);
71 label.setText("Enter a number between 0 and 9:");
72 Text text = new Text(composite, SWT.BORDER);
73
74 dbc.bindValue(
75 SWTObservables.observeText(text, SWT.Modify),
76 ((SampleWizard) getWizard()).getModel().intValue,
77 new UpdateValueStrategy().setAfterConvertValidator(new SingleDigitValidator()),
78 null);
79
80 GridLayoutFactory.swtDefaults().numColumns(2).generateLayout(
81 composite);
82 setControl(composite);
83 }
84 }
85
86 static class SecondWizardPage extends WizardPage {
87 protected SecondWizardPage() {
88 super("Second", "Second Page", ImageDescriptor
89 .createFromImage(new Image(Display.getDefault(), 16, 16)));
90 }
91
92 public void createControl(Composite parent) {
93 DataBindingContext dbc = new DataBindingContext();
94 WizardPageSupport.create(this, dbc);
95 Composite composite = new Composite(parent, SWT.NONE);
96 Label label = new Label(composite, SWT.NONE);
97 label.setText("Enter a date:");
98 Text text = new Text(composite, SWT.BORDER);
99
100 dbc.bindValue(
101 SWTObservables.observeText(text, SWT.Modify),
102 ((SampleWizard) getWizard()).getModel().dateValue);
103
104 GridLayoutFactory.swtDefaults().numColumns(2).generateLayout(
105 composite);
106 setControl(composite);
107 }
108 }
109
110 static class SampleWizardModel {
111 IObservableValue intValue = new WritableValue(null, Integer.class);
112 IObservableValue dateValue = new WritableValue(null, Date.class);
113 }
114
115 static class SampleWizard extends Wizard {
116
117 private SampleWizardModel model = new SampleWizardModel();
118
119 public void addPages() {
120 addPage(new FirstWizardPage());
121 addPage(new SecondWizardPage());
122 }
123
124 public SampleWizardModel getModel() {
125 return model;
126 }
127
128 public String getWindowTitle() {
129 return "Data Binding Snippet014";
130 }
131
132 public boolean performFinish() {
133 return true;
134 }
135
136 }
137
138 public static void main(String[] args) {
139 Display display = new Display();
140
141 // note that the "runWithDefault" will be done for you if you are using
142 // the
143 // Workbench as opposed to just JFace/SWT.
144 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
145 public void run() {
146 IWizard wizard = new SampleWizard();
147 WizardDialog dialog = new WizardDialog(null, wizard);
148 dialog.open();
149 // The SWT event loop
150 Display display = Display.getCurrent();
151 while (dialog.getShell() != null
152 && !dialog.getShell().isDisposed()) {
153 if (!display.readAndDispatch()) {
154 display.sleep();
155 }
156 }
157 }
158 });
159 }
160
161 }