net.sf.jasperreports.eclipse.wizard.project.JRProjectPage.java Source code

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Here is the source code for net.sf.jasperreports.eclipse.wizard.project.JRProjectPage.java

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/*******************************************************************************
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com.
 * 
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 * 
 * 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
 ******************************************************************************/
package net.sf.jasperreports.eclipse.wizard.project;

import net.sf.jasperreports.eclipse.messages.Messages;
import net.sf.jasperreports.eclipse.ui.validator.EmptyStringValidator;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.validation.ValidationStatus;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.wizard.WizardPageSupport;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

public class JRProjectPage extends WizardPage {
    private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public JRProjectPage() {
        super("JRPROJECTPAGE"); //$NON-NLS-1$
        setTitle(Messages.JRProjectPage_Title);
        setDescription(Messages.JRProjectPage_Description);
    }

    public void createControl(Composite parent) {
        DataBindingContext dbc = new DataBindingContext();
        WizardPageSupport.create(this, dbc);

        Composite composite = new Composite(parent, SWT.NONE);
        setControl(composite);
        composite.setLayout(new GridLayout(2, false));

        new Label(composite, SWT.NONE).setText(Messages.JRProjectPage_LblName);

        Text tname = new Text(composite, SWT.BORDER);
        tname.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        GridData gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan = 2;
        new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL).setLayoutData(gd);

        dbc.bindValue(SWTObservables.observeText(tname, SWT.Modify), PojoObservables.observeValue(this, "name"), //$NON-NLS-1$
                new UpdateValueStrategy().setAfterConvertValidator(new EmptyStringValidator() {
                    @Override
                    public IStatus validate(Object value) {
                        IStatus s = super.validate(value);
                        if (s.equals(Status.OK_STATUS)) {
                            IProject[] prjs = ResourcesPlugin.getWorkspace().getRoot().getProjects();
                            for (IProject p : prjs) {
                                if (p.getName().equals(value))
                                    return ValidationStatus.error(Messages.JRProjectPage_ErrorExistingProject);
                            }
                        }
                        return s;
                    }
                }), null);
    }
}