x07ma/plugins/EnergyScan.java

/*
 * Copyright (c) 2014 Paul Scherrer Institute. All rights reserved.
 */

import ch.psi.pshell.dev.Device;
import ch.psi.pshell.dev.DeviceBase;
import ch.psi.pshell.dev.DeviceListener;
import ch.psi.pshell.epics.ChannelDoubleArray;
import ch.psi.pshell.epics.ChannelInteger;
import ch.psi.pshell.plot.LinePlotBase;
import ch.psi.pshell.plot.LinePlotJFree;
import ch.psi.pshell.plot.LinePlotSeries;
import ch.psi.utils.swing.MonitoredPanel;
import ch.psi.pshell.ui.Panel;
import ch.psi.utils.State;
import ch.psi.utils.swing.SwingUtils;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;

/**
 *
 */
public class EnergyScan extends Panel {

    PluginPanel panel;
    ChannelDoubleArray data;
    ChannelDoubleArray edata;
    ChannelInteger count;

    volatile boolean requestedPlotting;
    @Override
    protected JPanel create() {
        panel = new PluginPanel();
        return panel;
    }

    @Override
    protected void onInitialize() {
        super.onInitialize();
        
        count = (ChannelInteger) getController().getDevicePool().getByName("count");
        data = (ChannelDoubleArray) getController().getDevicePool().getByName("data");
        edata = (ChannelDoubleArray) getController().getDevicePool().getByName("edata");

        getController().getDevicePool().getByName("count").addListener(new DeviceListener() {
            @Override
            public void onStateChanged(Device device, State state, State former) {
            }

            @Override
            public void onValueChanged(Device device, Object value, Object former) {
                if (!requestedPlotting){
                    requestedPlotting = true;
                    SwingUtilities.invokeLater(() -> {
                        panel.plot();
                    });                    
                }                
            }
        });
        panel.plot();
    }

    public class PluginPanel extends MonitoredPanel {

        final LinePlotBase plot;
        final LinePlotSeries series;

        public PluginPanel() {
            initComponents();
            plot = new LinePlotJFree();
            plot.setTitle("");
            series = new LinePlotSeries("data");
            plot.addSeries(series);
            panelPlot.add(plot);
        }

        void plot(){
            try{
                requestedPlotting=false;
                Integer c = count.take();
                if (c == null){
                    series.clear();
                } else {
                    data.setSize(c);
                    edata.setSize(c);
                    series.setData(edata.read(), data.read());
                }
            } catch (Exception ex){
                SwingUtils.showException(this, ex);
            }
        }

        @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        buttonExecute = new javax.swing.JButton();
        buttonAbort = new javax.swing.JButton();
        panelPlot = new javax.swing.JPanel();

        buttonExecute.setText("Start");
        buttonExecute.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                buttonExecuteActionPerformed(evt);
            }
        });

        buttonAbort.setText("Stop");
        buttonAbort.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                buttonAbortActionPerformed(evt);
            }
        });

        panelPlot.setLayout(new java.awt.BorderLayout());

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(31, 31, 31)
                .addComponent(buttonExecute)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(buttonAbort, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(269, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(panelPlot, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );

        layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {buttonAbort, buttonExecute});

        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(27, 27, 27)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(buttonExecute)
                    .addComponent(buttonAbort))
                .addGap(28, 28, 28)
                .addComponent(panelPlot, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addContainerGap())
        );
    }// </editor-fold>//GEN-END:initComponents

    private void buttonExecuteActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_buttonExecuteActionPerformed
        try {
            run("test1");
        } catch (Exception ex) {
            SwingUtils.showException(this, ex);
        }
    }//GEN-LAST:event_buttonExecuteActionPerformed

    private void buttonAbortActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_buttonAbortActionPerformed
        getController().abort();
    }//GEN-LAST:event_buttonAbortActionPerformed

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton buttonAbort;
    private javax.swing.JButton buttonExecute;
    private javax.swing.JPanel panelPlot;
    // End of variables declaration//GEN-END:variables
    }
}