org.efaps.jasper.plugin.EFapsAdapterComposite.java Source code

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Here is the source code for org.efaps.jasper.plugin.EFapsAdapterComposite.java

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/*
 * Copyright 2003 - 2014 The eFaps Team
 *
 * 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.
 *
 * Revision:        $Rev$
 * Last Changed:    $Date$
 * Last Changed By: $Author$
 */
package org.efaps.jasper.plugin;

import net.sf.jasperreports.data.DataAdapter;
import net.sf.jasperreports.engine.JasperReportsContext;

import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.jface.databinding.swt.SWTObservables;
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;
import org.efaps.jasper.data.EFapsDataAdapter;

import com.jaspersoft.studio.JaspersoftStudioPlugin;
import com.jaspersoft.studio.data.ADataAdapterComposite;
import com.jaspersoft.studio.data.DataAdapterDescriptor;
import com.jaspersoft.studio.data.secret.DataAdaptersSecretsProvider;
import com.jaspersoft.studio.swt.widgets.WSecretText;

/**
 * Inside this class are defined the controls shown when the adapter is created
 * on edited from Jaspersoft Studio. This controls can be used the configure the
 * data adapter. With the example data adapter it provide the controls to define
 * the number of record, the number of value for each record, and the range
 * between every value is generated
 *
 * @author The eFaps Team
 *
 */
public class EFapsAdapterComposite extends ADataAdapterComposite {

    private WSecretText passwordField;
    /**
     * The descriptor of the data adapter
     */
    private EFapsAdapterDescriptor dataAdapterDescriptor;

    private Text userNameField;

    private Text urlField;

    /**
     * Construct the class and initialize the controls
     *
     * @param parent the parent of the controls
     * @param style the style for the controls
     * @param context the current JasperReportsContext
     */
    public EFapsAdapterComposite(final Composite parent, final int style, final JasperReportsContext context) {
        super(parent, style, context);
        initComponents();
    }

    /**
     * Create the controls
     */
    private void initComponents() {
        setLayout(new GridLayout(2, false));
        final Label url = new Label(this, SWT.NONE);
        url.setText("URL");
        url.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

        this.urlField = new Text(this, SWT.BORDER);
        this.urlField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

        final Label userName = new Label(this, SWT.NONE);
        userName.setText("User Name");
        userName.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

        this.userNameField = new Text(this, SWT.BORDER);
        this.userNameField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

        final Label pswd = new Label(this, SWT.NONE);
        pswd.setText("Password");
        pswd.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

        this.passwordField = new WSecretText(this, SWT.BORDER | SWT.PASSWORD);
        this.passwordField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    }

    /**
     * Return the current data adapter descriptor, if it is not available it is
     * created
     */
    public DataAdapterDescriptor getDataAdapter() {
        if (this.dataAdapterDescriptor == null) {
            this.dataAdapterDescriptor = new EFapsAdapterDescriptor();
        }
        return this.dataAdapterDescriptor;
    }

    /**
     * Set the data adapter descriptor from outside and bind the created
     * controls to it
     */
    @Override
    public void setDataAdapter(final DataAdapterDescriptor dataAdapterDescriptor) {
        this.dataAdapterDescriptor = (EFapsAdapterDescriptor) dataAdapterDescriptor;
        final EFapsDataAdapter dataAdapter = (EFapsDataAdapter) dataAdapterDescriptor.getDataAdapter();
        if (!this.passwordField.isWidgetConfigured()) {
            this.passwordField.loadSecret(DataAdaptersSecretsProvider.SECRET_NODE_ID, dataAdapter.getPassword());
        }
        bindWidgets(dataAdapter);
    }

    /**
     * Bind the data adapter to the widgets to have that every change on the
     * spinner widgets is reflected on the data adapter
     *
     * @param dataAdapter the data adapter
     */
    @Override
    protected void bindWidgets(final DataAdapter dataAdapter) {
        bindingContext.bindValue(SWTObservables.observeText(this.urlField, SWT.Modify),
                PojoObservables.observeValue(dataAdapter, "url"));
        bindingContext.bindValue(SWTObservables.observeText(this.userNameField, SWT.Modify),
                PojoObservables.observeValue(dataAdapter, "userName"));
        bindingContext.bindValue(SWTObservables.observeText(this.passwordField, SWT.Modify),
                PojoObservables.observeValue(dataAdapter, "password"));
    }

    @Override
    public void performAdditionalUpdates() {
        if (JaspersoftStudioPlugin.shouldUseSecureStorage()) {
            this.passwordField.persistSecret();
            // update the "password" replacing it with the UUID key saved in
            // secure
            // preferences
            final EFapsDataAdapter dataAdapter = (EFapsDataAdapter) getDataAdapter().getDataAdapter();
            dataAdapter.setPassword(this.passwordField.getUUIDKey());
        }
    }
}