importexportxmlpanel.java

eq跨平台查询工具源码 eq跨平台查询工具源码

/*
 * ImportExportXMLPanel.java
 *
 * Copyright (C) 2002, 2003, 2004, 2005, 2006 Takis Diakoumis
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */


package org.executequery.gui.importexport;

import java.awt.Dimension;

import java.util.Vector;
import javax.swing.JDialog;
import javax.swing.JPanel;
import org.executequery.ActiveComponent;

import org.executequery.GUIUtilities;
import org.underworldlabs.swing.wizard.DefaultWizardProcessModel;
import org.underworldlabs.swing.wizard.WizardProcessPanel;
import org.executequery.databasemediators.DatabaseConnection;
import org.executequery.databasemediators.MetaDataValues;
import org.executequery.gui.*;
import org.executequery.gui.browser.ColumnData;
import org.executequery.util.Log;
import org.underworldlabs.swing.actions.ActionBuilder;

/* ----------------------------------------------------------
 * CVS NOTE: Changes to the CVS repository prior to the 
 *           release of version 3.0.0beta1 has meant a 
 *           resetting of CVS revision numbers.
 * ----------------------------------------------------------
 */

/**
 *
 * @author   Takis Diakoumis
 * @version  $Revision: 1.8 $
 * @date     $Date: 2006/09/13 15:15:09 $
 */
public class ImportExportXMLPanel extends WizardProcessPanel
                                  implements ImportExportProcess,
                                             ActiveComponent {
    
    /** The dimension of each child panel */
    private Dimension childDim;

    /** The object to retrieve table details */
    private MetaDataValues metaData;
    
    /** The worker that will run the process */
    private ImportExportWorker worker;
    
    /** The first panel displayed */
    private ImportExportXMLPanel_1 firstPanel;
    
    /** The second panel displayed */
    private ImportExportPanel_2 secondPanel;
    
    /** The third panel displayed */
    private ImportExportPanel_3 thirdPanel;
    
    /** The fourth panel displayed - export */
    private ExportXMLPanel_4 fourthPanel_ex;
    
    /** The fourth panel displayed - import */
    private ImportXMLPanel_4 fourthPanel_im;
    
    /** The fifth panel displayed */
    private ImportExportXMLPanel_5 fifthPanel;
    
    /** The sixth panel displayed */
    private ImportExportXMLPanel_6 sixthPanel;
    
    /** The progress panel */
    private ImportExportProgressPanel progressPanel;
    
    /** The type of transfer - import/export */
    private int transferType;

    /** Whether the process was cancelled */
    private boolean processCancelled;

    /** Whether a transfer is currently underway */
    private boolean processing;
    
    /** the parent container */
    private ActionContainer parent;

    /** the selection model */
    private TransferXMLWizardModel model;

    public ImportExportXMLPanel(ActionContainer parent, int transferType) {
        this(parent, transferType, null, null, null);
    }
    
    public ImportExportXMLPanel(ActionContainer parent, 
                                int transferType,
                                DatabaseConnection databaseConnection,
                                String schemaName,
                                String tableName) {
        this.transferType = transferType;
        
        model = new TransferXMLWizardModel();
        setModel(model);

        this.parent = parent;
        try {
            jbInit();
        } catch(Exception e) {
            e.printStackTrace();
        }

        if (databaseConnection != null) {
            firstPanel.setDatabaseConnection(databaseConnection);
            next();
            
            if (schemaName != null) {
                secondPanel.setSelectedSchema(schemaName);
                if (tableName != null) {
                    secondPanel.setSelectedTable(tableName);
                    secondPanel.selectAllAvailable();
                }

            }

        }

    }

    private void jbInit() throws Exception {
        metaData = new MetaDataValues();
        childDim = new Dimension(525, 350);

        // set the help action
        setHelpAction(ActionBuilder.get("help-command"), "import-export");
        
        firstPanel = new ImportExportXMLPanel_1(this);
        model.addPanel(firstPanel);
        prepare();

    }
    
    /**
     * Returns the transfer format - XML, CSV etc.
     */
    public int getTransferFormat() {
        return XML;
    }

    /**
     * Returns whether to trim whitespace on column data values.
     *
     * @return true | false
     */
    public boolean trimWhitespace() {
        return false;
    }

    /**
     * Releases database resources before closing.
     */
    public void cleanup() {
        metaData.closeConnection();
    }

    public String getSchemaName() {
        return secondPanel.getSelectedSchema();
    }
    
    /** <p>Cancels the current in-process transfer */
    public void cancelTransfer() {
        processCancelled = true;
    }
    
    /** <p>Return whether this process is an
     *  import or export process.
     *
     *  @return <code>ImportExportProcess.IMPORT |
     *          ImportExportProcess.EXPORT</code>
     */
    public int getTransferType() {
        return transferType;
    }
    
    /** <p>Retrieves the selected rollback size for
     *  the transfer.
     *
     *  @return the rollback size
     */
    public int getRollbackSize() {
        return fifthPanel.getRollbackSize();
    }
    
    /** <p>Retrieves the action on an error occuring
     *  during the import/export process.
     *
     *  @return the action on error -<br>either:
     *          <code>ImportExportProcess.LOG_AND_CONTINUE</code> or
     *          <code>ImportExportProcess.STOP_TRANSFER</code>
     */
    public int getOnError() {
        return fifthPanel.getOnError();
    }
    
    /** <p>Retrieves the date format for date fields
     *  contained within the data file/database table.
     *
     *  @return the date format (ie. ddMMyyy)
     */
    public String getDateFormat() {
        return fifthPanel.getDateFormat();
    }
    
    /**
     * Returns whether to parse date values.
     *
     * @return true | false
     */
    public boolean parseDateValues() {
        return fifthPanel.parseDateValues();
    }

    /** <p>Whether the table name is an attribute
     *  within the XML document.
     *
     *  @return whether the table name is an attribute
     */
    public boolean hasTableNameAsAttribute() {
        return fourthPanel_im.hasTableNameAsAttribute();
    }
    
    /**
     * Returns whether to include column names.
     *
     * @return true | false
     */
    public boolean includeColumnNames() {
        return true;
    }

    public JDialog getDialog() {
        if (parent.isDialog()) {
            return (JDialog)parent;
        }
        return null;
    }

    /** 
     * Retrieves the selected type of delimiter within
     * the file to be used with this process.
     *
     * @return the selected delimiter
     */
    public char getDelimiter() {
        return 0;
    }

    public void setProcessComplete(boolean success) {
        setButtonsEnabled(true);
        setNextButtonEnabled(false);
        setBackButtonEnabled(true);
        setCancelButtonEnabled(true);

        if (success) {
            setCancelButtonText("Finish");
        }
        processing  = false;
    }
    
    public void doImport() {
        Log.info("Beginning data import process");
        processCancelled = false;
        setNextButtonEnabled(false);
        setCancelButtonEnabled(false);
        setBackButtonEnabled(false);
        worker = new ImportXMLWorker(this, progressPanel);
    }
    
    /** <p>Begins an export process. */
    public void doExport() {
        Log.info("Beginning data export process");
        processCancelled = false;
        setNextButtonEnabled(false);
        setCancelButtonEnabled(false);
        setBackButtonEnabled(false);
        worker = new ExportXMLWorker(this, progressPanel);
    }
    
    /** <p>Retrieves the selected tables for this process.
     *
     *  @return the selected table names
     */