in.cypal.studio.gwt.ui.wizards.GwtRuntimeContainerPage.java Source code

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Here is the source code for in.cypal.studio.gwt.ui.wizards.GwtRuntimeContainerPage.java

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/*
 * Copyright 2006 - 2009 Cypal Solutions (tools@cypal.in)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * 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 in.cypal.studio.gwt.ui.wizards;

import in.cypal.studio.gwt.core.common.Constants;
import in.cypal.studio.gwt.core.common.Util;
import in.cypal.studio.gwt.ui.Activator;
import in.cypal.studio.gwt.ui.common.GwtRuntimeComposite;
import in.cypal.studio.gwt.ui.common.GwtRuntimeComposite.IStatusListener;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.ui.wizards.IClasspathContainerPage;
import org.eclipse.jdt.ui.wizards.IClasspathContainerPageExtension;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;

/**
 * 
 * @author Prakash G.R.
 * 
 */
public class GwtRuntimeContainerPage extends WizardPage
        implements IClasspathContainerPage, IClasspathContainerPageExtension, IStatusListener {

    private GwtRuntimeComposite runtimeComposite;
    private String gwtRuntimeVersion;
    private IJavaProject javaProject;

    public GwtRuntimeContainerPage() {
        super("GwtRuntimeContainerPage");
        setTitle("GWT Runtime");
        setDescription("Select GWT Runtime for the project");
    }

    public boolean finish() {
        boolean canFinish = true;
        if (!Util.hasGwtNature(javaProject)) {
            try {
                Util.addNature(javaProject.getProject(), null);
            } catch (CoreException e) {
                Activator.logException(e);
                String message = "Could not add GWT nature to this Java Project";
                ErrorDialog.openError(new Shell(), "Error adding library", message, e.getStatus());
                canFinish = false;
            }
        }
        return canFinish;
    }

    public IClasspathEntry getSelection() {
        return runtimeComposite.getClasspathEntry();
    }

    public void setSelection(IClasspathEntry containerEntry) {
        if (containerEntry != null)
            gwtRuntimeVersion = containerEntry.getPath().lastSegment();
        else
            gwtRuntimeVersion = Constants.GWT_RUNTIME_WORKSPACE_DEFAULT;
    }

    public void createControl(Composite parent) {

        Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(new GridLayout(3, false));

        runtimeComposite = new GwtRuntimeComposite(composite, this);
        runtimeComposite.setVersion(gwtRuntimeVersion);

        setControl(composite);

    }

    public void initialize(IJavaProject project, IClasspathEntry[] currentEntries) {
        this.javaProject = project;
    }

    public void updateStatus(IStatus newStatus) {
        if (newStatus.getSeverity() != IStatus.OK) {
            setPageComplete(false);
            setErrorMessage(newStatus.getMessage());
        } else {
            setPageComplete(true);
            setErrorMessage(null);
        }

    }

}