DawnGraphitiyDiagramTypeSelectionWizardPage.java

/*
 * Copyright (c) 2011, 2012, 2015 Eike Stepper (Berlin, Germany) and others.
 * All rights reserved. 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
 *
 * Contributors:
 *     Martin Fluegge - initial API and implementation
 */
package org.eclipse.emf.cdo.dawn.graphiti.wizards;

import org.eclipse.emf.cdo.dawn.graphiti.DawnGraphitiUIPlugin;

import org.eclipse.graphiti.dt.IDiagramType;
import org.eclipse.graphiti.ui.services.GraphitiUi;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.resource.ImageDescriptor;
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.Label;

import java.util.Arrays;
import java.util.List;
import java.util.Vector;

/**
 * @author Martin Fluegge
 */
public class DawnGraphitiyDiagramTypeSelectionWizardPage extends AbstractDawnGraphitiWizardPage
{
  private static final String PAGE_DESC = "description";

  private static final String PAGE_TITLE = "title";

  private static final String DEFAULT_TYPE = "tutorial"; //$NON-NLS-1$

  private static final String SELECTED_TYPE = "selectedtype"; //$NON-NLS-1$

  private Combo comboBox;

  public DawnGraphitiyDiagramTypeSelectionWizardPage(String pageName, String title, ImageDescriptor titleImage)
  {
    super(pageName, title, titleImage);
  }

  protected DawnGraphitiyDiagramTypeSelectionWizardPage(String pageName)
  {
    super(pageName);
    setTitle(PAGE_TITLE);
    setDescription(PAGE_DESC);
  }

  @Override
  protected void createWizardContents(Composite parent)
  {
    // project specification group
    Composite projectGroup = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    projectGroup.setLayout(layout);
    projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // new project label
    Label projectLabel = new Label(projectGroup, SWT.NONE);
    projectLabel.setFont(parent.getFont());
    projectLabel.setText("set text");

    // new project name entry field
    comboBox = new Combo(projectGroup, SWT.READ_ONLY | SWT.BORDER);
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    data.widthHint = 250;
    comboBox.setLayoutData(data);
    comboBox.setFont(parent.getFont());
    comboBox.setVisibleItemCount(12);
    comboBox.addSelectionListener(new SelectionAdapter()
    {

      @Override
      public void widgetSelected(SelectionEvent e)
      {
        IDialogSettings dialogSettings = DawnGraphitiUIPlugin.getDefault().getDialogSettings();
        dialogSettings.put(SELECTED_TYPE, comboBox.getText());
      }
    });

    // set the contents of the Combo-widget
    comboBox.setItems(getAllAvailableDiagramTypes());
    if (getInitialValue() != null)
    {
      comboBox.setText(getInitialValue());
    }
  }

  protected String[] getAllAvailableDiagramTypes()
  {
    Vector<String> diagramIds = new Vector<String>();
    for (IDiagramType diagramType : GraphitiUi.getExtensionManager().getDiagramTypes())
    {
      diagramIds.add(diagramType.getId());
    }

    return diagramIds.toArray(new String[] {});
  }

  protected String getInitialValue()
  {
    // Get last choice
    IDialogSettings dialogSettings = DawnGraphitiUIPlugin.getDefault().getDialogSettings();
    String selType = dialogSettings.get(SELECTED_TYPE);
    List<String> asList = Arrays.asList(comboBox.getItems());
    if (asList.contains(selType))
    {
      return selType;
    }
    else if (asList.contains(DEFAULT_TYPE))
    {
      return DEFAULT_TYPE;
    }
    return null;
  }

  public String getText()
  {
    return comboBox.getText();
  }
}