com.ebmwebsourcing.petals.services.su.wizards.pages.SeveralConsumeWizardPage.java Source code

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Here is the source code for com.ebmwebsourcing.petals.services.su.wizards.pages.SeveralConsumeWizardPage.java

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/******************************************************************************
 * Copyright (c) 2010-2013, Linagora
 *
 * 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
 *
 * Contributors:
 *       Linagora - initial API and implementation
 *******************************************************************************/

package com.ebmwebsourcing.petals.services.su.wizards.pages;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;

import com.ebmwebsourcing.petals.services.explorer.model.EndpointBean;
import com.ebmwebsourcing.petals.services.utils.ConsumeUtils;
import com.ebmwebsourcing.petals.services.utils.PCStyledLabelProvider;

/**
 * @author Vincent Zurczak - EBM WebSourcing
 */
public class SeveralConsumeWizardPage extends AbstractSuWizardPage {

    protected final Set<EndpointBean> edptBeans = new HashSet<EndpointBean>();

    private PCStyledLabelProvider labelProvider;
    private TableViewer viewer;

    /**
     * Constructor.
     */
    public SeveralConsumeWizardPage() {
        super();
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.DialogPage
     * #dispose()
     */
    @Override
    public void dispose() {

        if (this.labelProvider != null)
            this.labelProvider.dispose();

        super.dispose();
    }

    /* (non-Javadoc)
     * @see com.ebmwebsourcing.petals.services.su.wizards.pages.AbstractSuPage
     * #validate()
     */
    @Override
    public boolean validate() {

        if (this.edptBeans.size() == 0) {
            updateStatus("You must select at least one service end-point.");
            return false;
        }

        updateStatus(null);
        return true;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.IDialogPage
     * #createControl(org.eclipse.swt.widgets.Composite)
     */
    @Override
    public void createControl(Composite parent) {

        // First page of the wizard: force the size
        GridData layoutData = new GridData(GridData.FILL_HORIZONTAL);
        layoutData.widthHint = 500;
        layoutData.heightHint = 340;
        parent.setLayoutData(layoutData);

        /* create the composite container and define its layout */
        final Composite container = new Composite(parent, SWT.NONE);

        GridLayout layout = new GridLayout();
        layout.marginLeft = 15;
        layout.marginTop = 15;
        container.setLayout(layout);
        container.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        // Add the other widgets
        Label l = new Label(container, SWT.NONE);
        l.setText("Select the end-points to watch.");

        // The end-point table
        Composite subContainer = new Composite(container, SWT.NONE);
        layout = new GridLayout(2, false);
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        subContainer.setLayout(layout);
        subContainer.setLayoutData(new GridData(GridData.FILL_BOTH));

        this.viewer = new TableViewer(subContainer, SWT.BORDER | SWT.SINGLE);
        this.viewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
        this.viewer.setContentProvider(new ArrayContentProvider());
        this.labelProvider = new PCStyledLabelProvider(container);
        this.viewer.setLabelProvider(new DelegatingStyledCellLabelProvider(this.labelProvider));

        // The buttons
        Composite buttonsComposite = new Composite(subContainer, SWT.NONE);
        layout = new GridLayout();
        layout.marginHeight = 0;
        buttonsComposite.setLayout(layout);
        buttonsComposite.setLayoutData(new GridData(SWT.DEFAULT, SWT.BEGINNING, false, true));

        Button addButton = new Button(buttonsComposite, SWT.PUSH);
        addButton.setText("&Add");
        addButton.setToolTipText("Displays the end-points from the Petals Services view");
        addButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        addButton.addSelectionListener(new SelectionListener() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                widgetDefaultSelected(e);
            }

            @Override
            public void widgetDefaultSelected(SelectionEvent e) {

                EndpointBean bean = ConsumeUtils.selectEndpointToConsume(container);
                if (bean != null) {
                    SeveralConsumeWizardPage.this.edptBeans.add(bean);
                    SeveralConsumeWizardPage.this.viewer.setInput(SeveralConsumeWizardPage.this.edptBeans);
                    SeveralConsumeWizardPage.this.viewer.refresh();
                    validate();
                }
            }
        });

        Button removeButton = new Button(buttonsComposite, SWT.PUSH);
        removeButton.setText("&Remove");
        removeButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        removeButton.addSelectionListener(new SelectionListener() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                widgetDefaultSelected(e);
            }

            @Override
            public void widgetDefaultSelected(SelectionEvent e) {

                if (SeveralConsumeWizardPage.this.viewer.getSelection().isEmpty())
                    return;

                EndpointBean bean = (EndpointBean) ((IStructuredSelection) SeveralConsumeWizardPage.this.viewer
                        .getSelection()).getFirstElement();
                SeveralConsumeWizardPage.this.edptBeans.remove(bean);
                SeveralConsumeWizardPage.this.viewer.setInput(SeveralConsumeWizardPage.this.edptBeans);
                SeveralConsumeWizardPage.this.viewer.refresh();
                validate();
            }
        });

        // End-up correctly
        setControl(container);
        validate();
        setErrorMessage(null);
    }

    /**
     * @return the edptBeans
     */
    public Set<EndpointBean> getEndpointBeans() {
        return this.edptBeans;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.wizard.WizardPage
     * #canFlipToNextPage()
     */
    @Override
    public boolean canFlipToNextPage() {
        return this.edptBeans.size() > 0 && getNextPage() != null;
    }
}