1 /**

     2  * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of the License "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Symbian Foundation - initial contribution.

    11  * Contributors:

    12  * Description:

    13  * Overview:

    14  * Details:

    15  * Platforms/Drives/Compatibility:

    16  * Assumptions/Requirement/Pre-requisites:

    17  * Failures and causes:

    18  */

    19 package org.symbian.tools.tmw.ui.project;

    20 

    21 import java.util.Collection;

    22 import java.util.LinkedList;

    23 

    24 import org.eclipse.core.databinding.Binding;

    25 import org.eclipse.core.databinding.DataBindingContext;

    26 import org.eclipse.core.databinding.UpdateValueStrategy;

    27 import org.eclipse.core.databinding.validation.IValidator;

    28 import org.eclipse.jface.databinding.swt.ISWTObservableValue;

    29 import org.eclipse.jface.databinding.swt.SWTObservables;

    30 import org.eclipse.jface.wizard.WizardPage;

    31 import org.eclipse.swt.SWT;

    32 import org.eclipse.swt.layout.GridData;

    33 import org.eclipse.swt.widgets.Composite;

    34 import org.eclipse.swt.widgets.Label;

    35 import org.eclipse.swt.widgets.Text;

    36 import org.symbian.tools.tmw.internal.ui.wizard.CompoundValidator;

    37 import org.symbian.tools.tmw.internal.ui.wizard.NonEmptyStringValidator;

    38 

    39 /**

    40  * Boilerplate code to make it easier creating such wizard pages.

    41  * 

    42  * @author Eugene Ostroukhov (eugeneo@symbian.org)

    43  */

    44 public abstract class AbstractNewApplicationWizardPage extends WizardPage implements INewApplicationWizardPage {

    45     protected DataBindingContext bindingContext;

    46     protected final Collection<Binding> bindings = new LinkedList<Binding>();

    47     protected IProjectTemplateContext context;

    48 

    49     public AbstractNewApplicationWizardPage(String name, String title, String description) {

    50         super(name);

    51         setTitle(title);

    52         setDescription(description);

    53     }

    54 

    55     public void init(IProjectTemplateContext context, DataBindingContext bindingContext) {

    56         this.context = context;

    57         this.bindingContext = bindingContext;

    58     }

    59 

    60     public void remove() {

    61         for (Binding binding : bindings) {

    62             bindingContext.removeBinding(binding);

    63         }

    64     }

    65 

    66     protected void createLabel(Composite root, String text) {

    67         Label label = new Label(root, SWT.NONE);

    68         label.setText(text);

    69     }

    70 

    71     protected Text createText(Composite root, String property, String propertyName, DataBindingContext bindingContext,

    72             IValidator... validators) {

    73         Text text = new Text(root, SWT.BORDER);

    74         text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    75         ISWTObservableValue view = SWTObservables.observeText(text, SWT.Modify);

    76         UpdateValueStrategy strategy = new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE);

    77         NonEmptyStringValidator validator = new NonEmptyStringValidator(propertyName);

    78         strategy.setBeforeSetValidator(validators.length == 0 ? validator

    79                 : new CompoundValidator(validator, validators));

    80         bindings.add(bindingContext.bindValue(view, context.getParameterObservable(property), strategy, null));

    81         return text;

    82     }

    83 }