Examples with Model org.csstudio.trends.databrowser3.model.Model used on opensource projects

Example 11 with Model

use of org.csstudio.trends.databrowser3.model.Model in project org.csstudio.display.builder by kasemir.

the class SampleView method update.

/**
 * Update combo box of this view.
 * @param model_changed set true if the model was changed.
 */
private void update(final boolean model_changed) {
    if (model == null) {
        // Clear/disable GUI
        items.setItems(new String[] { Messages.SampleView_NoPlot });
        items.select(0);
        items.setEnabled(false);
        sample_table.setInput(null);
        return;
    }
    // Show PV names.
    // Also build array for following index-based check of selected item
    final List<ModelItem> model_items = new ArrayList<>();
    final List<String> names_list = new ArrayList<>();
    names_list.add(Messages.SampleView_SelectItem);
    for (ModelItem item : model.getItems()) {
        model_items.add(item);
        names_list.add(item.getName());
    }
    final String[] names = names_list.toArray(new String[names_list.size()]);
    if (!model_changed && items.getSelectionIndex() > 0) {
        // Is the previously selected item still valid?
        if (sample_table.getInput() instanceof ModelItem) {
            final ModelItem selected_item = (ModelItem) sample_table.getInput();
            if (model_items.indexOf(selected_item) != -1) {
                // Show same PV name again in combo box
                items.setItems(names);
                items.select(model_items.indexOf(selected_item) + 1);
                items.setEnabled(true);
                // Update sample table size. Not locking for size()
                sample_table.setItemCount(selected_item.getSamples().size());
                sample_table.refresh();
                return;
            }
        }
    }
    // Previously selected item no longer valid.
    // Show new items, clear rest
    items.setItems(names);
    items.select(0);
    items.setEnabled(true);
    sample_table.setInput(null);
}

Example 12 with Model

use of org.csstudio.trends.databrowser3.model.Model in project org.csstudio.display.builder by kasemir.

the class AddModelItemCommand method forFormula.

/**
 * Create PV via undo-able AddModelItemCommand,
 *  displaying errors in dialog
 *  @param shell Shell used for error dialogs
 *  @param operations_manager OperationsManager where command will be reg'ed
 *  @param model Model were PV is to be added
 *  @param axis Axis
 *  @return AddModelItemCommand or <code>null</code> on error
 */
public static Optional<AddModelItemCommand> forFormula(final Shell shell, final UndoableActionManager operations_manager, final Model model, final String formula_name, final AxisConfig axis) {
    // Create item
    final FormulaItem item;
    try {
        // $NON-NLS-1$
        item = new FormulaItem(formula_name, "0", new FormulaInput[0]);
        axis.setVisible(true);
        item.setAxis(axis);
    } catch (Exception ex) {
        MessageDialog.openError(shell, Messages.Error, NLS.bind(Messages.AddItemErrorFmt, formula_name, ex.getMessage()));
        return Optional.empty();
    }
    // Add to model via undo-able command
    return Optional.of(new AddModelItemCommand(shell, operations_manager, model, item));
}

Example 13 with Model

use of org.csstudio.trends.databrowser3.model.Model in project org.csstudio.display.builder by kasemir.

the class AddModelItemCommand method forPV.

/**
 * Create PV via undo-able AddModelItemCommand,
 *  displaying errors in dialog
 *  @param shell Shell used for error dialogs
 *  @param operations_manager OperationsManager where command will be reg'ed
 *  @param model Model were PV is to be added
 *  @param pv_name Name of new PV
 *  @param period scan period
 *  @param axis Axis
 *  @param archive Archive data source
 *  @return AddModelItemCommand or <code>null</code> on error
 */
public static Optional<AddModelItemCommand> forPV(final Shell shell, final UndoableActionManager operations_manager, final Model model, final String pv_name, final double period, final AxisConfig axis, final ArchiveDataSource archive) {
    // Create item
    final PVItem item;
    try {
        item = new PVItem(pv_name, period);
        if (archive != null)
            item.addArchiveDataSource(archive);
        else
            item.useDefaultArchiveDataSources();
        axis.setVisible(true);
        item.setAxis(axis);
    } catch (Exception ex) {
        MessageDialog.openError(shell, Messages.Error, NLS.bind(Messages.AddItemErrorFmt, pv_name, ex.getMessage()));
        return Optional.empty();
    }
    // Add to model via undo-able command
    return Optional.of(new AddModelItemCommand(shell, operations_manager, model, item));
}

Example 14 with Model

use of org.csstudio.trends.databrowser3.model.Model in project org.csstudio.display.builder by kasemir.

the class ControllerBase method start.

/**
 * Start model items and initiate scrolling/updates
 *  @throws Exception on error: Already running, problem starting threads, ...
 *  @see #isRunning()
 */
public void start() throws Exception {
    if (isRunning())
        throw new IllegalStateException("Already started");
    plot.getPlot().setBackground(SWTMediaPool.getJFX(model.getPlotBackground()));
    plot.getPlot().getXAxis().setGridVisible(model.isGridVisible());
    plot.getPlot().showToolbar(model.isToolbarVisible());
    plot.getPlot().showLegend(model.isLegendVisible());
    plot.getPlot().setTitleFont(SWTMediaPool.getJFX(model.getTitleFont()));
    plot.getPlot().setLegendFont(SWTMediaPool.getJFX(model.getLegendFont()));
    String title = model.getTitle().orElse(null);
    if (title != null)
        title = model.resolveMacros(title);
    plot.getPlot().setTitle(title);
    plot.getPlot().setScrollStep(model.getScrollStep());
    final List<Trace<Instant>> traces = new ArrayList<>();
    for (Trace<Instant> trace : plot.getPlot().getTraces()) traces.add(trace);
    for (AnnotationInfo info : model.getAnnotations()) {
        final Trace<Instant> trace = traces.get(info.getItemIndex());
        final Annotation<Instant> annotation = new Annotation<Instant>(info.isInternal(), trace, info.getTime(), info.getValue(), info.getOffset(), info.getText());
        plot.getPlot().addAnnotation(annotation);
    }
    createUpdateTask();
    model.start();
    // Initial time range setup, schedule archive fetch
    if (!model.isScrollEnabled())
        plot.getPlot().setScrolling(false);
    model_listener.changedTimerange();
}

Example 15 with Model

use of org.csstudio.trends.databrowser3.model.Model in project org.csstudio.display.builder by kasemir.

the class ControllerBase method stop.

/**
 * Stop scrolling and model items
 *  @throws IllegalStateException when not running
 */
public void stop() {
    if (!isRunning())
        throw new IllegalStateException("Not started");
    // Stop ongoing archive access
    synchronized (archive_fetch_jobs) {
        for (ArchiveFetchJob job : archive_fetch_jobs) job.cancel();
        archive_fetch_jobs.clear();
    }
    // Stop update task
    model.stop();
    model.removeListener(model_listener);
    update_task.cancel(true);
    update_task = null;
}