001    /*
002     * Copyright 2002-2004 the original author or authors.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package org.springframework.richclient.wizard;
017    
018    import javax.swing.JComponent;
019    
020    import org.springframework.richclient.form.Form;
021    
022    /**
023     * An implementation of WizardPage that delegates to a FormPage for its control,
024     * pageComplete status and messages.
025     *
026     * @author Oliver Hutchison
027     */
028    public class FormBackedWizardPage extends AbstractWizardPage {
029        private Form backingForm;
030    
031        /**
032         * Createa a new FormBackedWizardPage
033         *
034         * @param backingForm
035         *            the named form page which will provide the control for this
036         *            wizard page.
037         */
038        public FormBackedWizardPage(Form backingForm) {
039            this(backingForm, true);
040        }
041    
042        public FormBackedWizardPage(Form backingForm, boolean autoConfigure) {
043            super(backingForm.getId(), autoConfigure);
044            this.backingForm = backingForm;
045        }
046    
047        /**
048         * Creates a new FormBackedWizardPage.
049         *
050         * @param parentPageId
051         *            the id of a containing parent page. This will be used to
052         *            configure page titles/description
053         * @param backingForm
054         *            the names form page which will provide the control for this
055         *            wizard page.
056         */
057        public FormBackedWizardPage(String parentPageId, Form backingForm) {
058            super(parentPageId + (backingForm.getId() != null ? "." + backingForm.getId() : ""));
059            this.backingForm = backingForm;
060        }
061    
062        protected Form getBackingForm() {
063            return backingForm;
064        }
065    
066        public void onAboutToShow() {
067            setEnabled(!backingForm.hasErrors());
068        }
069    
070        protected JComponent createControl() {
071            JComponent formControl = backingForm.getControl();
072            initPageValidationReporter();
073            return formControl;
074        }
075    
076        protected void initPageValidationReporter() {
077            backingForm.newSingleLineResultsReporter(this);
078            backingForm.addGuarded(this);
079        }
080    
081        public void setEnabled(boolean enabled) {
082            setPageComplete(enabled);
083        }
084    }