com.google.gdt.eclipse.designer.wizards.model.common.AbstractGwtWizardPage.java Source code

Introduction

Here is the source code for com.google.gdt.eclipse.designer.wizards.model.common.AbstractGwtWizardPage.java

Source

/*******************************************************************************
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.google.gdt.eclipse.designer.wizards.model.common;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;

/**
 * Abstract {@link WizardPage} for creating GWT objects.
 * 
 * @author scheglov_ke
 * @coverage gwt.wizard.ui
 */
public abstract class AbstractGwtWizardPage extends WizardPage {
    ////////////////////////////////////////////////////////////////////////////
    //
    // Constructor
    //
    ////////////////////////////////////////////////////////////////////////////
    public AbstractGwtWizardPage() {
        super("__PAGE__");
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // GUI
    //
    ////////////////////////////////////////////////////////////////////////////
    public final void createControl(Composite parent) {
        initializeDialogUnits(parent);
        // create composite
        Composite composite = new Composite(parent, SWT.NULL);
        composite.setFont(parent.getFont());
        composite.setLayout(new GridLayout());
        // create controls
        createPageControls(composite);
        // set composite
        Dialog.applyDialogFont(composite);
        setControl(composite);
    }

    /**
     * Creates controls on given Composite. Default layout is {@link GridLayout}.
     * 
     * We should use this method instead of {@link #createControl(Composite)}, because all pages have
     * same font/dialog units algorithm.
     */
    protected abstract void createPageControls(Composite parent);

    ////////////////////////////////////////////////////////////////////////////
    //
    // Validation
    //
    ////////////////////////////////////////////////////////////////////////////
    @Override
    public final void setErrorMessage(String message) {
        super.setErrorMessage(message);
        // if we don't have error, mark page as completed, so enable wizard finish
        setPageComplete(message == null);
    }
}