/*!
* 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.platform.plugin.action.openflashchart.factory;
import ofc4j.model.elements.Element;
import ofc4j.model.elements.ScatterChart;
import org.dom4j.Node;
import org.pentaho.platform.plugin.action.messages.Messages;
import java.text.DecimalFormat;
import java.text.MessageFormat;
import java.text.NumberFormat;
public class BubbleChartFactory extends AbstractChartFactory {
private static final String MAX_BUBBLE_SIZE_NODE_LOC = "max-bubble-size"; //$NON-NLS-1$
private static final String BUBBLE_LABEL_Z_FORMAT_NODE_LOC = "bubble-label-z-format"; //$NON-NLS-1$
private static final String BUBBLE_LABEL_CONTENT_NODE_LOC = "bubble-label-content"; //$NON-NLS-1$
// scatter / bubble members
private Number bubbleMaxX;
private int maxBubbleSize = 100;
@Override
public void validateData() {
super.validateData();
if ( getColumnCount() < 3 ) {
throw new RuntimeException( Messages.getInstance().getErrorString(
"BubbleChartFactory.ERROR_0001_XYZ_COLUMN_COUNT" ) ); //$NON-NLS-1$
}
}
@Override
protected void createElements() {
Node contentNode = chartNode.selectSingleNode( BUBBLE_LABEL_CONTENT_NODE_LOC );
String content = getValue( contentNode );
Node zFormatNode = chartNode.selectSingleNode( BUBBLE_LABEL_Z_FORMAT_NODE_LOC );
String zFormat = getValue( zFormatNode );
DecimalFormat df = null;
if ( zFormat != null ) {
df = new DecimalFormat( zFormat );
}
for ( int row = 0; row < getRowCount(); row++ ) {
Element e = null;
String text = getRowHeader( row );
ScatterChart sc = new ScatterChart( "" ); //$NON-NLS-1$
sc.setColour( getColor( row ) );
Number x = (Number) getValueAt( row, 0 );
Number y = (Number) getValueAt( row, 1 );
Number z = (Number) getValueAt( row, 2 );
setupDotSize( sc, z );
sc.addPoint( x.doubleValue(), y.doubleValue() );
if ( content != null ) {
String zstr = null;
if ( df != null ) {
zstr = df.format( z );
} else {
if ( z != null ) {
zstr = z.toString();
}
}
sc.setTooltip( MessageFormat.format( content, text, NumberFormat.getInstance().format( x ), NumberFormat
.getInstance().format( y ), zstr ) );
}
if ( alpha != null ) {
sc.setAlpha( alpha );
}
e = sc;
e.setText( text );
elements.add( e );
}
}
@Override
protected void setupStyles() {
super.setupStyles();
// max bubble x
Number maxX = 0;
int rowCount = getRowCount();
for ( int row = 0; row < rowCount; row++ ) {
Number currx = (Number) getValueAt( row, 2 );
if ( maxX.doubleValue() < currx.doubleValue() ) {
maxX = currx;
}
}
bubbleMaxX = maxX;
// max bubble size
Node bubbleSizeNode = chartNode.selectSingleNode( MAX_BUBBLE_SIZE_NODE_LOC );
if ( getValue( bubbleSizeNode ) != null ) {
maxBubbleSize = Integer.parseInt( getValue( bubbleSizeNode ) );
}
}
public void setupDotSize( ScatterChart se, Number x ) {
se.setDotSize( Integer
.valueOf( java.lang.Math.round( maxBubbleSize * ( x.floatValue() / bubbleMaxX.floatValue() ) ) ) );
}
}