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/****************************************************************
* Licensed Material - Property of IBM
*
* ****-***
*
* (c) Copyright IBM Corp. 2006. All rights reserved.
*
* US Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with
* IBM Corp.
*
****************************************************************
*/
package org.eclipse.linuxtools.systemtap.ui.graphingapi.ui.charts;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.linuxtools.internal.systemtap.ui.graphingapi.ui.GraphingAPIUIPlugin;
import org.eclipse.linuxtools.systemtap.ui.graphingapi.nonui.adapters.BlockAdapter;
import org.eclipse.linuxtools.systemtap.ui.graphingapi.nonui.adapters.IAdapter;
import org.eclipse.linuxtools.systemtap.ui.graphingapi.ui.preferences.GraphingAPIPreferenceConstants;
import org.swtchart.IAxis;
import org.swtchart.IBarSeries;
import org.swtchart.ILineSeries;
import org.swtchart.ILineSeries.PlotSymbolType;
import org.swtchart.ISeries.SeriesType;
import org.swtchart.Range;
/**
* Builds bar chart.
*
* @author Qi Liang
*/
public class BarChartBuilder extends AbstractChartWithAxisBuilder {
protected AbstractChartBuilder builder = null;
private boolean fullUpdate;
protected int xSeriesTicks;
protected static int ySeriesTicks;
protected static int maxItems;
protected static int viewableItems;
public static final String ID = "org.eclipse.linuxtools.systemtap.ui.graphingapi.ui.charts.barchartbuilder";
public BarChartBuilder(Composite parent, int style, String title,IAdapter adapter) {
super(adapter, parent, style, title);
fullUpdate = (adapter instanceof BlockAdapter) ? true : false;
}
/*
* (non-Javadoc)
*
* @see com.ibm.examples.chart.widget.AbstractChartBuilder#buildChart()
*/
protected void createChart() {
super.createChart();
IPreferenceStore store = GraphingAPIUIPlugin.getDefault().getPreferenceStore();
xSeriesTicks = store.getInt(GraphingAPIPreferenceConstants.P_X_SERIES_TICKS);
ySeriesTicks = store.getInt(GraphingAPIPreferenceConstants.P_Y_SERIES_TICKS);
maxItems = store.getInt(GraphingAPIPreferenceConstants.P_MAX_DATA_ITEMS);
viewableItems = store.getInt(GraphingAPIPreferenceConstants.P_VIEWABLE_DATA_ITEMS);
}
public void handleUpdateEvent() {
try{
updateDataSet();
repaint();
}catch(Exception e)
{
// e.printStackTrace();
}
}
public synchronized void repaint() {
getDisplay().syncExec(new Runnable() {
boolean stop = false;
public void run() {
if(stop)
return;
try {
redraw();
} catch (Exception e) {
stop = true;
}
}
});
}
public void setScale(double scale) {
xSeriesTicks = (int) (((Integer)xSeriesTicks).doubleValue() * scale);
handleUpdateEvent();
}
/**
* Builds X series.
*/
protected void buildXSeries() {
Object data[][] = adapter.getData();
if (data == null || data.length == 0)
return;
double[] valx = new double[data.length];
double[][] valy = new double[data[0].length-1][data.length];
for (int i = 0; i < data.length; i++)
for (int j = 0; j < data[i].length; j++) {
if (j == 0)
valx[i] = getDoubleValue(data[i][j]);
else
valy[j-1][i] = getDoubleValue(data[i][j]);
}
for (int i = 0; i < valy.length; i++) {
final IBarSeries series = (IBarSeries) chart.getSeriesSet().
createSeries(SeriesType.BAR, adapter.getLabels()[i+1]); //$NON-NLS-1$);
series.setXSeries(valx);
series.setYSeries(valy[i]);
}
IAxis yAxis = this.chart.getAxisSet().getYAxis(0);
yAxis.setRange(new Range(adapter.getYMin().doubleValue(), adapter.getYMax().doubleValue()));
IAxis xAxis = this.chart.getAxisSet().getXAxis(0);
xAxis.setRange(new Range(adapter.getXMin().doubleValue(), adapter.getXMax().doubleValue()));
}
}
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