/**

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

 * All rights reserved.

 * This component and the accompanying materials are made available

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

 * which accompanies this distribution, and is available

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

 *

 * Initial Contributors:

 * Symbian Foundation - initial contribution.

 * Contributors:

 * Description:

 * Overview:

 * Details:

 * Platforms/Drives/Compatibility:

 * Assumptions/Requirement/Pre-requisites:

 * Failures and causes:

 */

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

import java.util.Collection;

import java.util.LinkedList;

import org.eclipse.core.databinding.Binding;

import org.eclipse.core.databinding.DataBindingContext;

import org.eclipse.core.databinding.UpdateValueStrategy;

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

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

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

import org.eclipse.jface.wizard.WizardPage;

import org.eclipse.swt.SWT;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

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

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

/**

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

 * 

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

 */

public abstract class AbstractNewApplicationWizardPage extends WizardPage implements INewApplicationWizardPage {

    protected DataBindingContext bindingContext;

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

    protected IProjectTemplateContext context;

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

        super(name);

        setTitle(title);

        setDescription(description);

    }

    public void init(IProjectTemplateContext context, DataBindingContext bindingContext) {

        this.context = context;

        this.bindingContext = bindingContext;

    }

    public void remove() {

        for (Binding binding : bindings) {

            bindingContext.removeBinding(binding);

        }

    }

    protected void createLabel(Composite root, String text) {

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

        label.setText(text);

    }

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

            IValidator... validators) {

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

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

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

        UpdateValueStrategy strategy = new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE);

        NonEmptyStringValidator validator = new NonEmptyStringValidator(propertyName);

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

                : new CompoundValidator(validator, validators));

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

        return text;

    }

}