LegendItemBlockContainer.java :  » Chart » droidcharts » net » droidsolutions » droidcharts » core » title » Android Open Source

Android Open Source » Chart » droidcharts 
droidcharts » net » droidsolutions » droidcharts » core » title » LegendItemBlockContainer.java
/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -----------------------------
 * LegendItemBlockContainer.java
 * -----------------------------
 * (C) Copyright 2006-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 20-Jul-2006 : Version 1 (DG);
 * 06-Oct-2006 : Added tooltip and URL text fields (DG);
 * 18-May-2007 : Added seriesKey and dataset fields (DG);
 *
 */

package net.droidsolutions.droidcharts.core.title;

import net.droidsolutions.droidcharts.awt.Rectangle2D;
import net.droidsolutions.droidcharts.awt.Shape;
import net.droidsolutions.droidcharts.core.block.Arrangement;
import net.droidsolutions.droidcharts.core.block.BlockContainer;
import net.droidsolutions.droidcharts.core.block.BlockResult;
import net.droidsolutions.droidcharts.core.block.EntityBlockParams;
import net.droidsolutions.droidcharts.core.block.EntityBlockResult;
import net.droidsolutions.droidcharts.core.data.general.Dataset;
import net.droidsolutions.droidcharts.core.entity.EntityCollection;
import net.droidsolutions.droidcharts.core.entity.LegendItemEntity;
import net.droidsolutions.droidcharts.core.entity.StandardEntityCollection;
import android.graphics.Canvas;

/**
 * A container that holds all the pieces of a single legend item.
 * 
 * @since 1.0.2
 */
public class LegendItemBlockContainer extends BlockContainer {

  /**
   * The dataset.
   * 
   * @since 1.0.6
   */
  private Dataset dataset;

  /**
   * The series key.
   * 
   * @since 1.0.6
   */
  private Comparable seriesKey;

  /** The dataset index. */
  private int datasetIndex;

  /** The series index. */
  private int series;

  /** The tool tip text (can be <code>null</code>). */
  private String toolTipText;

  /** The URL text (can be <code>null</code>). */
  private String urlText;

  /**
   * Creates a new legend item block.
   * 
   * @param arrangement
   *            the arrangement.
   * @param datasetIndex
   *            the dataset index.
   * @param series
   *            the series index.
   * 
   * @deprecated As of 1.0.6, use the other constructor.
   */
  public LegendItemBlockContainer(Arrangement arrangement, int datasetIndex,
      int series) {
    super(arrangement);
    this.datasetIndex = datasetIndex;
    this.series = series;
  }

  /**
   * Creates a new legend item block.
   * 
   * @param arrangement
   *            the arrangement.
   * @param dataset
   *            the dataset.
   * @param seriesKey
   *            the series key.
   * 
   * @since 1.0.6
   */
  public LegendItemBlockContainer(Arrangement arrangement, Dataset dataset,
      Comparable seriesKey) {
    super(arrangement);
    this.dataset = dataset;
    this.seriesKey = seriesKey;
  }

  /**
   * Returns a reference to the dataset for the associated legend item.
   * 
   * @return A dataset reference.
   * 
   * @since 1.0.6
   */
  public Dataset getDataset() {
    return this.dataset;
  }

  /**
   * Returns the series key.
   * 
   * @return The series key.
   * 
   * @since 1.0.6
   */
  public Comparable getSeriesKey() {
    return this.seriesKey;
  }

  /**
   * Returns the dataset index.
   * 
   * @return The dataset index.
   * 
   * @deprecated As of 1.0.6, use the {@link #getDataset()} method.
   */
  public int getDatasetIndex() {
    return this.datasetIndex;
  }

  /**
   * Returns the series index.
   * 
   * @return The series index.
   */
  public int getSeriesIndex() {
    return this.series;
  }

  /**
   * Returns the tool tip text.
   * 
   * @return The tool tip text (possibly <code>null</code>).
   * 
   * @since 1.0.3
   */
  public String getToolTipText() {
    return this.toolTipText;
  }

  /**
   * Sets the tool tip text.
   * 
   * @param text
   *            the text (<code>null</code> permitted).
   * 
   * @since 1.0.3
   */
  public void setToolTipText(String text) {
    this.toolTipText = text;
  }

  /**
   * Returns the URL text.
   * 
   * @return The URL text (possibly <code>null</code>).
   * 
   * @since 1.0.3
   */
  public String getURLText() {
    return this.urlText;
  }

  /**
   * Sets the URL text.
   * 
   * @param text
   *            the text (<code>null</code> permitted).
   * 
   * @since 1.0.3
   */
  public void setURLText(String text) {
    this.urlText = text;
  }

  /**
   * Draws the block within the specified area.
   * 
   * @param g2
   *            the graphics device.
   * @param area
   *            the area.
   * @param params
   *            passed on to blocks within the container (<code>null</code>
   *            permitted).
   * 
   * @return An instance of {@link EntityBlockResult}, or <code>null</code>.
   */
  public Object draw(Canvas g2, Rectangle2D area, Object params) {
    // draw the block without collecting entities
    super.draw(g2, area, null);
    EntityBlockParams ebp = null;
    BlockResult r = new BlockResult();
    if (params instanceof EntityBlockParams) {
      ebp = (EntityBlockParams) params;
      if (ebp.getGenerateEntities()) {
        EntityCollection ec = new StandardEntityCollection();
        LegendItemEntity entity = new LegendItemEntity((Shape) area
            .clone());
        entity.setSeriesIndex(this.series);
        entity.setSeriesKey(this.seriesKey);
        entity.setDataset(this.dataset);
        entity.setToolTipText(getToolTipText());
        entity.setURLText(getURLText());
        ec.add(entity);
        r.setEntityCollection(ec);
      }
    }
    return r;
  }
}
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.