Examples with MementoTree org.phoebus.framework.persistence.MementoTree used on opensource projects

Example 1 with MementoTree

use of org.phoebus.framework.persistence.MementoTree in project phoebus by ControlSystemStudio.

the class PhoebusApplication method backgroundStartup.

/**
 * Perform potentially slow startup task off the UI thread
 *
 * @param monitor
 * @param splash
 * @throws Exception
 */
private void backgroundStartup(final JobMonitor monitor, final Splash splash) throws Exception {
    // Assume there's 100 percent of work do to,
    // not knowing, yet, how many applications to start etc.
    monitor.beginTask(Messages.MonitorTaskApps, 100);
    // Locate registered applications and start them, allocating 30% to that
    startApplications(new SubJobMonitor(monitor, 30));
    // Load saved state (slow file access) off UI thread, allocating 30% to that
    monitor.beginTask(Messages.MonitorTaskSave);
    final MementoTree memento = loadDefaultMemento(application_parameters, new SubJobMonitor(monitor, 30));
    // Trigger initialization of authentication service
    AuthorizationService.init();
    // Back to UI thread
    Platform.runLater(() -> {
        try {
            // Leaving remaining 40% to the UI startup
            startUI(memento, new SubJobMonitor(monitor, 40));
        } catch (Throwable ex) {
            logger.log(Level.SEVERE, "Application cannot start up", ex);
        }
        monitor.done();
        if (splash != null)
            splash.close();
    });
}

Example 2 with MementoTree

use of org.phoebus.framework.persistence.MementoTree in project phoebus by ControlSystemStudio.

the class MementoHelper method saveDockItem.

/**
 * Save state of a DockItem
 *
 *  <p>Store the application name, optionally the resource (input),
 *  and then allow the application itself to store details.
 *
 *  @param memento
 *  @param item
 */
private static void saveDockItem(final MementoTree memento, final DockItem item) {
    final AppInstance application = item.getApplication();
    if (application == null || application.isTransient())
        return;
    final MementoTree item_memento = memento.getChild(item.getID());
    item_memento.setString(DockItem.KEY_APPLICATION, application.getAppDescriptor().getName());
    if (item instanceof DockItemWithInput) {
        final URI input = ((DockItemWithInput) item).getInput();
        if (input != null)
            item_memento.setString(INPUT_URI, input.toString());
    }
    try {
        application.save(item_memento);
    } catch (Throwable ex) {
        logger.log(Level.SEVERE, "Application " + application.getAppDescriptor().getDisplayName() + " memento error", ex);
    }
}

Example 3 with MementoTree

use of org.phoebus.framework.persistence.MementoTree in project phoebus by ControlSystemStudio.

the class PhoebusApplication method restoreState.

/**
 * Restore stages from memento
 *
 * @return <code>true</code> if any tab was restored
 */
private boolean restoreState(final MementoTree memento) {
    boolean any = false;
    if (memento == null)
        return any;
    // There should be just one, empty stage
    final List<Stage> stages = DockStage.getDockStages();
    if (stages.size() > 1 || stages.stream().map(DockStage::getDockPanes).count() > 1) {
        // More than one stage, or a stage with more than one pane
        logger.log(Level.WARNING, "Expected single, empty stage for restoring state", new Exception("Stack Trace"));
        final StringBuilder buf = new StringBuilder();
        buf.append("Found:\n");
        for (Stage stage : stages) DockStage.dump(buf, stage);
        logger.log(Level.WARNING, buf.toString());
    }
    try {
        // Global settings
        memento.getString(LAST_OPENED_FILE).ifPresent(path -> last_opened_file = new File(path));
        memento.getString(DEFAULT_APPLICATION).ifPresent(app -> default_application = app);
        memento.getBoolean(SHOW_TABS).ifPresent(show -> {
            DockPane.alwaysShowTabs(show);
            show_tabs.setSelected(show);
        });
        memento.getBoolean(SHOW_MENU).ifPresent(this::showMenu);
        memento.getBoolean(SHOW_TOOLBAR).ifPresent(show -> {
            showToolbar(show);
            show_toolbar.setSelected(show);
        });
        memento.getBoolean(SHOW_STATUSBAR).ifPresent(show -> {
            showStatusbar(show);
            show_statusbar.setSelected(show);
        });
        // Settings for each stage
        for (MementoTree stage_memento : memento.getChildren()) {
            final String id = stage_memento.getName();
            Stage stage = DockStage.getDockStageByID(id);
            if (stage == null) {
                // Create new Stage with that ID
                stage = new Stage();
                DockStage.configureStage(stage);
                stage.getProperties().put(DockStage.KEY_ID, id);
                stage.show();
            }
            any |= MementoHelper.restoreStage(stage_memento, stage);
        }
    } catch (Throwable ex) {
        logger.log(Level.WARNING, "Error restoring saved state", ex);
    }
    return any;
}

Example 4 with MementoTree

use of org.phoebus.framework.persistence.MementoTree in project phoebus by ControlSystemStudio.

the class MementoHelper method saveStage.

/**
 * Save state of Stage to memento
 *  @param memento
 *  @param stage
 */
public static void saveStage(final MementoTree memento, final Stage stage) {
    final MementoTree stage_memento = memento.createChild(DockStage.getID(stage));
    stage_memento.setNumber(X, stage.getX());
    stage_memento.setNumber(Y, stage.getY());
    stage_memento.setNumber(WIDTH, stage.getWidth());
    stage_memento.setNumber(HEIGHT, stage.getHeight());
    if (stage.isFullScreen())
        stage_memento.setBoolean(FULLSCREEN, true);
    else if (stage.isMaximized())
        stage_memento.setBoolean(MAXIMIZED, true);
    else if (stage.isIconified())
        stage_memento.setBoolean(MINIMIZED, true);
    final Node node = DockStage.getPaneOrSplit(stage);
    savePaneOrSplit(stage_memento, node);
}

Example 5 with MementoTree

use of org.phoebus.framework.persistence.MementoTree in project phoebus by ControlSystemStudio.

the class MementoHelper method savePaneOrSplit.

/**
 * @param memento
 *  @param item DockPane or SplitDock
 */
private static void savePaneOrSplit(final MementoTree memento, final Node node) {
    if (node instanceof DockPane) {
        final DockPane pane = (DockPane) node;
        final MementoTree pane_memento = memento.createChild(PANE);
        if (pane.isFixed())
            pane_memento.setBoolean(FIXED, true);
        if (pane.getName().length() > 0)
            pane_memento.setString(NAME, pane.getName());
        pane_memento.setNumber(SELECTED, pane.getSelectionModel().getSelectedIndex());
        for (DockItem item : pane.getDockItems()) saveDockItem(pane_memento, item);
    } else if (node instanceof SplitDock) {
        final SplitDock split = (SplitDock) node;
        final MementoTree split_memento = memento.createChild(SPLIT);
        split_memento.setNumber(POS, split.getDividerPosition());
        if (!split.isHorizontal())
            split_memento.setBoolean(HORIZONTAL, false);
        for (Node sub : split.getItems()) savePaneOrSplit(split_memento, sub);
    } else
        logger.log(Level.WARNING, "Cannot persist " + node);
}