BusinessCategoryDialog.java

/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.pms.ui.dialog;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.pentaho.metadata.util.Util;
import org.pentaho.pms.locale.Locales;
import org.pentaho.pms.messages.Messages;
import org.pentaho.pms.schema.SchemaMeta;
import org.pentaho.pms.schema.concept.ConceptUtilityInterface;
import org.pentaho.pms.ui.concept.editor.ConceptModel;
import org.pentaho.pms.ui.concept.editor.IConceptModel;
import org.pentaho.pms.ui.concept.editor.PropertyNavigationWidget;
import org.pentaho.pms.ui.concept.editor.PropertyWidgetManager2;
import org.pentaho.pms.util.ObjectAlreadyExistsException;

/***
 * Represents a business category
 * 
 * @since 30-aug-2006
 *
 */
public class BusinessCategoryDialog extends Dialog {
  private static final Log logger = LogFactory.getLog(BusinessCategoryDialog.class);

  protected Map<String, Locales> propertyEditorContext = new HashMap<String, Locales>();

  private Text wId;

  private IConceptModel conceptModel;

  private ConceptUtilityInterface conceptUtil;

  private SchemaMeta schemaMeta;

  private PropertyWidgetManager2 propertyWidgetManager;

  public BusinessCategoryDialog(Shell parent, ConceptUtilityInterface conceptUtil, SchemaMeta schemaMeta) {
    super(parent);
    this.conceptModel = new ConceptModel(conceptUtil.getConcept());
    this.conceptUtil = conceptUtil;
    this.schemaMeta = schemaMeta;
    propertyEditorContext.put( "locales", schemaMeta.getLocales() );
  }

  protected void setShellStyle(int newShellStyle) {
    super.setShellStyle( newShellStyle | SWT.RESIZE );
  }

  protected void configureShell(final Shell shell) {
    super.configureShell(shell);
    shell.setText("Business Category Properties");
  }

  protected Point getInitialSize() {
    return new Point(1000, 800);
  }

  protected final Control createDialogArea(final Composite parent) {
    Composite c0 = (Composite) super.createDialogArea(parent);

    Composite container = new Composite(c0, SWT.NONE);
    container.setLayout(new GridLayout(2, false));
    container.setLayoutData(new GridData(GridData.FILL_BOTH));

    Label wlId = new Label(container, SWT.RIGHT);
    wlId.setText(Messages.getString("PhysicalTableDialog.USER_NAME_ID")); //$NON-NLS-1$
    wId = new Text(container, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
    wId.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    if (conceptUtil.getId() != null) {
      wId.setText(conceptUtil.getId());
      wId.selectAll();
    }

    Group group = new Group(container, SWT.SHADOW_OUT);
    GridData gridData = new GridData(GridData.FILL_BOTH);
    gridData.horizontalSpan = 2;
    group.setLayoutData(gridData);
    group.setText("Properties");
    group.setLayout(new FillLayout());
    SashForm s0 = new SashForm(group, SWT.HORIZONTAL);
    s0.SASH_WIDTH = 10;
    PropertyNavigationWidget propertyNavigationWidget = new PropertyNavigationWidget(s0, SWT.NONE);
    propertyNavigationWidget.setConceptModel(conceptModel);
    propertyWidgetManager = new PropertyWidgetManager2(s0, SWT.NONE, propertyEditorContext, schemaMeta
        .getSecurityReference());
    propertyWidgetManager.setConceptModel(conceptModel);
    propertyNavigationWidget.addSelectionChangedListener(propertyWidgetManager);
    s0.setWeights(new int[] { 1, 2 });

    return c0;
  }

  protected void okPressed() {
    boolean hasErrors = popupValidationErrorDialogIfNecessary();
    if ( !hasErrors ) {
      String id = wId.getText().trim();
      if ( id.isEmpty() || !Util.validateId( id ) ) {
        MessageDialog.openError( getShell(), Messages.getString( "General.USER_TITLE_ERROR" ), Messages.getString(
          "BusinessTableDialog.USER_ERROR_INVALID_ID", id ) );
        wId.forceFocus();
        wId.selectAll();
      } else {
        try {
          conceptUtil.setId( id );
        } catch ( ObjectAlreadyExistsException e ) {
          if ( logger.isErrorEnabled() ) {
            logger.error( "an exception occurred", e );
          }
          MessageDialog.openError( getShell(), Messages.getString( "General.USER_TITLE_ERROR" ), Messages.getString(
            "PhysicalTableDialog.USER_ERROR_CATEGORY_ID_EXISTS", id ) );
          return;
        }
        super.okPressed();
      }
    }
  }

  /**
   * Unfortunate duplication of code. (Same method is in AbstractTableDialog.)
   */
  protected boolean popupValidationErrorDialogIfNecessary() {
    List<String> errorMessages = propertyWidgetManager.validateWidgets();
    if (errorMessages.isEmpty()) {
      return false;
    } else {
      StringBuilder buf = new StringBuilder();
      for (String errorMessage : errorMessages) {
        buf.append(errorMessage + "\n");
      }
      MessageDialog.openError(getShell(), "Errors", buf.toString());
      return true;
    }
  }
}