org.semanticsoft.vaaclipse.p2.install.ui.impl.ContainerP2Views.java Source code

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Here is the source code for org.semanticsoft.vaaclipse.p2.install.ui.impl.ContainerP2Views.java

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package org.semanticsoft.vaaclipse.p2.install.ui.impl;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.semanticsoft.vaaclipse.p2.install.ui.IBasicUI;
import org.semanticsoft.vaaclipse.p2.install.ui.IContainerP2Views;
import org.semanticsoft.vaaclipse.p2.iservice.IInstallNewSoftwareService;

import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Component;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.HasComponents;
import com.vaadin.ui.Notification;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

/*******************************************************************************
 * Copyright (c) 2012 Klevis Ramo and others. 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: Klevis Ramo - initial API and implementation
 *******************************************************************************/
public class ContainerP2Views implements IContainerP2Views {

    List<IBasicUI> listUI = new ArrayList<>();
    Button buttonNext = new Button("Next");
    Button buttonPrevies = new Button("Back");
    Button buttonInstall = new Button("Install");
    VerticalLayout mainLayout = new VerticalLayout();
    IBasicUI selectedBasicUI = null;
    IInstallNewSoftwareService installService;
    int maxViews = 2;

    public ContainerP2Views(IInstallNewSoftwareService installNewSoftwareService, IBasicUI... listUI) {
        super();
        this.installService = installNewSoftwareService;
        addViews(Arrays.asList(listUI));

    }

    @Override
    public Object getUIComponent() {
        // TODO Auto-generated method stub
        return mainLayout;
    }

    @Override
    public void initUI() {
        // TODO Auto-generated method stub

        mainLayout.removeAllComponents();
        mainLayout.addComponent((Component) listUI.get(0).getUIComponent());

        selectedBasicUI = listUI.get(0);
        final CssLayout cssLayout = new CssLayout();

        cssLayout.addComponent(buttonPrevies);
        cssLayout.addComponent(buttonNext);
        buttonNext.setEnabled(true);
        buttonInstall.setEnabled(false);
        buttonPrevies.setEnabled(false);

        cssLayout.addComponent(buttonInstall);

        buttonInstall.addClickListener(new Button.ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                // TODO Auto-generated method stub

                boolean validate = listUI.get(maxViews - 1).validate();

                if (validate) {
                    installService.installNewSoftware(listUI.get(maxViews - 1).getRepositories());

                    HasComponents parent = buttonNext.getParent();
                    while (!(parent instanceof Window)) {

                        parent = parent.getParent();
                    }

                    Window w = (Window) parent;
                    w.close();
                    Notification.show("Software installed");
                }

            }
        });

        Button.ClickListener listenerButton = new Button.ClickListener() {

            int index = 0;
            IBasicUI iBasicUIWas = null;
            IBasicUI iBasicUI = null;

            @Override
            public void buttonClick(ClickEvent event) {
                // TODO Auto-generated method stub

                if (event.getButton() == buttonNext) {

                    boolean validate = listUI.get(index).validate();

                    if (index < maxViews - 1 && validate) {
                        mainLayout.removeAllComponents();
                        index++;
                        iBasicUIWas = iBasicUI;
                        if (iBasicUI == null) {
                            iBasicUIWas = listUI.get(0);
                        }
                        iBasicUI = listUI.get(index);

                        iBasicUI.addRepositories(iBasicUIWas.getRepositories());
                        mainLayout.addComponent((Component) iBasicUI.getUIComponent());
                        handleButtons();
                    }
                } else if (event.getButton() == buttonPrevies) {

                    if (index > -1) {

                        if (index > 0)
                            mainLayout.removeAllComponents();
                        index--;
                        if (iBasicUI == null) {
                            iBasicUIWas = listUI.get(0);
                        }
                        iBasicUIWas = iBasicUI;
                        iBasicUI = listUI.get(index);

                        iBasicUI.addRepositories(iBasicUIWas.getRepositories());
                        mainLayout.addComponent((Component) iBasicUI.getUIComponent());
                        handleButtons();
                    }
                }

                mainLayout.addComponent(cssLayout);
            }

            private void handleButtons() {
                if (index == 0) {
                    buttonPrevies.setEnabled(false);
                    buttonInstall.setEnabled(false);
                } else if (index == maxViews - 1) {
                    buttonNext.setEnabled(false);
                    buttonInstall.setEnabled(true);

                }

                if (index > 0) {
                    buttonPrevies.setEnabled(true);

                }
                if (index < maxViews - 1) {
                    buttonNext.setEnabled(true);

                }
            }
        };
        buttonNext.addClickListener(listenerButton);
        buttonPrevies.addClickListener(listenerButton);
        mainLayout.addComponent(cssLayout);
    }

    @Override
    public String errorMessage() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public boolean validate() {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public void addViews(List<IBasicUI> views) {
        // TODO Auto-generated method stub

        if (views == null) {
            throw new IllegalArgumentException("Views must not be null");

        }
        maxViews = views.size();
        listUI.addAll(views);
    }

    @Override
    public void addRepositories(List<IInstallableUnit> list) {
        // TODO Auto-generated method stub

    }

    @Override
    public List<IInstallableUnit> getRepositories() {
        // TODO Auto-generated method stub
        return null;
    }

}