com.jaspersoft.studio.server.wizard.resource.page.datasource.ImportDataSourceInfoFromDA.java Source code

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Here is the source code for com.jaspersoft.studio.server.wizard.resource.page.datasource.ImportDataSourceInfoFromDA.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 com.jaspersoft.studio.server.wizard.resource.page.datasource;

import java.text.MessageFormat;
import java.util.Collection;
import java.util.List;

import net.sf.jasperreports.data.DataAdapter;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

import com.jaspersoft.studio.data.DataAdapterDescriptor;
import com.jaspersoft.studio.data.DataAdapterManager;
import com.jaspersoft.studio.data.storage.ADataAdapterStorage;
import com.jaspersoft.studio.server.messages.Messages;

/**
 * Popup dialog that allows to select an existing JSS data adapter to retrieve
 * the information that can be used to create a data source resource on
 * JasperServer.
 * 
 * @author Massimo Rabbi (mrabbi@users.sourceforge.net)
 * 
 */
public class ImportDataSourceInfoFromDA<T extends DataAdapter> extends Dialog {
    private static final String _DA = "_DA";
    /* selected data adapter */
    private T selectedDA;
    /* text info on data adapter kind */
    private String daKind;
    /* class type for the kind of data adapter(s) we are looking for */
    private Class<T> daClass;

    public ImportDataSourceInfoFromDA(Shell parentShell, String daKind, Class<T> daClass) {
        super(parentShell);
        this.daKind = daKind;
        this.daClass = daClass;
    }

    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setText(Messages.ImportDataSourceInfoFromDA_DialogTitle);
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);
        container.setLayout(new GridLayout());

        Label lblInfo = new Label(container, SWT.NONE);
        lblInfo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        lblInfo.setText(
                MessageFormat.format(Messages.ImportDataSourceInfoFromDA_InfoLabel, new Object[] { daKind }));

        final Combo combo = new Combo(container, SWT.READ_ONLY);
        combo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        addAdapters(DataAdapterManager.getPreferencesStorage(), combo);
        List<ADataAdapterStorage> das = DataAdapterManager.getProjectStorages();
        for (ADataAdapterStorage d : das) {
            addAdapters(d, combo);
        }
        combo.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                selectedDA = (T) combo.getData(combo.getSelectionIndex() + _DA);
            }
        });
        if (combo.getItemCount() > 0) {
            combo.select(0);
            selectedDA = (T) combo.getData("0" + _DA);
        }

        return container;
    }

    private void addAdapters(ADataAdapterStorage das, Combo combo) {
        Collection<DataAdapterDescriptor> dataAdapterDescriptors = das.getDataAdapterDescriptors();
        for (DataAdapterDescriptor da : dataAdapterDescriptors) {
            DataAdapter dataAdapter = da.getDataAdapter();
            if (daClass.isInstance(dataAdapter)) {
                combo.add(das.getLabel(da));
                combo.setData(combo.getItemCount() - 1 + _DA, dataAdapter);
            }
        }
    }

    public T getSelectedDataAdapter() {
        return selectedDA;
    }
}