Examples with RuntimePV org.csstudio.display.builder.runtime.pv.RuntimePV used on opensource projects

Example 11 with RuntimePV

use of org.csstudio.display.builder.runtime.pv.RuntimePV in project org.csstudio.display.builder by kasemir.

the class ImageWidgetRuntime method bindROI.

/**
 * Bind an ROI PV to an ROI value
 *  @param name_prop Property for the PV name
 *  @param value_prop Property for the value
 */
private void bindROI(final WidgetProperty<String> name_prop, final WidgetProperty<Double> value_prop) {
    final String pv_name = name_prop.getValue();
    if (pv_name.isEmpty())
        return;
    logger.log(Level.FINER, "Connecting {0} to ROI PV {1}", new Object[] { widget, pv_name });
    try {
        final RuntimePV pv = PVFactory.getPV(pv_name);
        addPV(pv);
        roi_pvs.add(pv);
        // Write value changes to the PV
        final WidgetPropertyListener<Double> prop_listener = (prop, old, value) -> {
            try {
                if (value == VTypeUtil.getValueNumber(pv.read()).doubleValue())
                    return;
                // System.out.println("Writing " + value_prop + " to PV " + pv_name);
                pv.write(value);
            } catch (Exception ex) {
                logger.log(Level.WARNING, "Error writing ROI value to PV " + pv_name, ex);
            }
        };
        value_prop.addPropertyListener(prop_listener);
        roi_prop_listeners.put(value_prop, prop_listener);
        // Write PV updates to the value
        final RuntimePVListener pv_listener = new RuntimePVListener() {

            @Override
            public void valueChanged(final RuntimePV pv, final VType value) {
                final double number = VTypeUtil.getValueNumber(value).doubleValue();
                if (number == value_prop.getValue())
                    return;
                // System.out.println("Writing from PV " + pv_name + " to " + value_prop);
                value_prop.setValue(number);
            }
        };
        pv.addListener(pv_listener);
        roi_pv_listeners.put(pv, pv_listener);
    } catch (Exception ex) {
        logger.log(Level.WARNING, "Error connecting ROI PV " + pv_name, ex);
    }
}

Example 12 with RuntimePV

use of org.csstudio.display.builder.runtime.pv.RuntimePV in project org.csstudio.display.builder by kasemir.

the class ImageWidgetRuntime method stop.

@Override
public void stop() {
    // Disconnect ROI PVs and listeners
    for (Map.Entry<WidgetProperty<?>, WidgetPropertyListener<?>> entry : roi_prop_listeners.entrySet()) entry.getKey().removePropertyListener(entry.getValue());
    roi_prop_listeners.clear();
    for (Map.Entry<RuntimePV, RuntimePVListener> entry : roi_pv_listeners.entrySet()) entry.getKey().removeListener(entry.getValue());
    roi_pv_listeners.clear();
    for (RuntimePV pv : roi_pvs) {
        removePV(pv);
        PVFactory.releasePV(pv);
    }
    roi_pvs.clear();
    // Disconnect cursor info PV
    if (x_pv != null && y_pv != null) {
        y_pv.removeListener(cursor_pv_listener);
        x_pv.removeListener(cursor_pv_listener);
    }
    if (unbind(cursor_pv))
        widget.runtimePropCursorInfo().removePropertyListener(cursor_info_listener);
    boolean x_or_y = unbind(y_pv);
    x_or_y |= unbind(x_pv);
    if (x_or_y)
        widget.runtimePropCrosshair().removePropertyListener(crosshair_listener);
    y_pv = x_pv = cursor_pv = null;
    super.stop();
}

Example 13 with RuntimePV

use of org.csstudio.display.builder.runtime.pv.RuntimePV in project org.csstudio.display.builder by kasemir.

the class XYPlotWidgetRuntime method bindMarker.

private void bindMarker(final WidgetProperty<String> name_prop, final WidgetProperty<Double> value_prop) {
    final String pv_name = name_prop.getValue();
    if (pv_name.isEmpty())
        return;
    logger.log(Level.FINER, "Connecting {0} to Marker PV {1}", new Object[] { widget, pv_name });
    try {
        final RuntimePV pv = PVFactory.getPV(pv_name);
        addPV(pv);
        marker_pvs.add(pv);
        // Write value changes to the PV
        final WidgetPropertyListener<Double> prop_listener = (prop, old, value) -> {
            // Ignore if PV already has same value to break update loops
            double pv_value = VTypeUtil.getValueNumber(pv.read()).doubleValue();
            if (value == pv_value)
                return;
            try {
                // System.out.println("Writing " + value_prop + " to PV " + pv_name);
                pv.write(value);
            } catch (Exception ex) {
                logger.log(Level.WARNING, "Error writing marker value to PV " + pv_name, ex);
                // Restore property to the unchanged value of the PV
                value_prop.setValue(pv_value);
            }
        };
        value_prop.addPropertyListener(prop_listener);
        marker_prop_listeners.put(value_prop, prop_listener);
        // Write PV updates to the value
        final RuntimePVListener pv_listener = new RuntimePVListener() {

            @Override
            public void valueChanged(final RuntimePV pv, final VType value) {
                final double number = VTypeUtil.getValueNumber(value).doubleValue();
                if (number == value_prop.getValue())
                    return;
                // System.out.println("Writing " + number + " from PV " + pv_name + " to " + value_prop);
                value_prop.setValue(number);
            }
        };
        pv.addListener(pv_listener);
        marker_pv_listeners.put(pv, pv_listener);
    } catch (Exception ex) {
        logger.log(Level.WARNING, "Error connecting Marker PV " + pv_name, ex);
    }
}

Example 14 with RuntimePV

use of org.csstudio.display.builder.runtime.pv.RuntimePV in project org.csstudio.display.builder by kasemir.

the class WidgetRuntime method start.

/**
 * Start: Connect to PVs, start scripts
 *  @throws Exception on error
 */
public void start() throws Exception {
    // Update "value" property from primary PV, if defined
    final Optional<WidgetProperty<String>> name = widget.checkProperty(propPVName);
    final Optional<WidgetProperty<VType>> value = widget.checkProperty(runtimePropPVValue);
    if (name.isPresent() && value.isPresent())
        pv_name_binding.set(new PVNameToValueBinding(this, name.get(), value.get(), true));
    // Prepare action-related PVs
    final List<ActionInfo> actions = widget.propActions().getValue().getActions();
    if (actions.size() > 0) {
        final List<RuntimePV> action_pvs = new ArrayList<>();
        for (final ActionInfo action : actions) {
            if (action instanceof WritePVActionInfo) {
                final String pv_name = ((WritePVActionInfo) action).getPV();
                final String expanded = MacroHandler.replace(widget.getMacrosOrProperties(), pv_name);
                final RuntimePV pv = PVFactory.getPV(expanded);
                action_pvs.add(pv);
                addPV(pv, true);
            }
        }
        if (action_pvs.size() > 0)
            this.writable_pvs = action_pvs;
    }
    widget.propClass().addPropertyListener(update_widget_class);
    // Start scripts in pool because Jython setup is expensive
    RuntimeUtil.getExecutor().execute(this::startScripts);
}

Example 15 with RuntimePV

use of org.csstudio.display.builder.runtime.pv.RuntimePV in project org.csstudio.display.builder by kasemir.

the class ArrayPVDispatcherTest method testScalarPVDispatcher.

/**
 * Test double-typed scalar PV
 */
@Test
public void testScalarPVDispatcher() throws Exception {
    // Not really an array..
    final RuntimePV array_pv = PVFactory.getPV("loc://no_array(3.14)");
    // The per-element PVs that will be bound to the array
    final AtomicReference<List<RuntimePV>> element_pvs = new AtomicReference<>();
    final CountDownLatch got_element_pvs = new CountDownLatch(1);
    // Listener to the ArrayPVDispatcher
    final Listener dispatch_listener = new Listener() {

        @Override
        public void arrayChanged(final List<RuntimePV> pvs) {
            System.out.println("Per-element PVs: ");
            element_pvs.set(pvs);
            dump(pvs);
            got_element_pvs.countDown();
        }
    };
    final ArrayPVDispatcher dispatcher = new ArrayPVDispatcher(array_pv, "element123456_", dispatch_listener);
    // Await initial set of per-element PVs
    got_element_pvs.await();
    assertThat(element_pvs.get().size(), equalTo(1));
    assertThat(VTypeUtil.getValueNumber(element_pvs.get().get(0).read()).doubleValue(), equalTo(3.14));
    // Change array -> Observe update of per-element PV
    System.out.println("Updating 'array'");
    array_pv.write(47.11);
    dump(element_pvs.get());
    assertThat(VTypeUtil.getValueNumber(element_pvs.get().get(0).read()).doubleValue(), equalTo(47.11));
    // Change per-element PV -> Observe update of 'array'
    System.out.println("Updating per-element PV for element [2]");
    element_pvs.get().get(0).write(11.47);
    final Number value = VTypeUtil.getValueNumber(array_pv.read());
    System.out.println("'Array': " + value);
    assertThat(value, equalTo(11.47));
    // Close dispatcher
    dispatcher.close();
    // Close the array PV
    PVFactory.releasePV(array_pv);
}