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

Example 11 with ArchiveDataSource

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

the class DataBrowserEditor method hookDragAndDrop.

/**
 * Allow 'drop' of PV name, archive, ..
 *  @param canvas FXCanvas
 */
private void hookDragAndDrop(final Control canvas) {
    // CS-Studio uses the ControlSystemDragSource
    // and ControlSystemDropTarget to transfer its own
    // data types, using the SWT drag-and-drop API
    // plus some class loader hacking to de-serialize
    // types from other plugins.
    // 
    // The JavaFX plot is inside an FXCanvas.
    // The FXCanvas establishes an SWT DropTarget
    // to forward drops from SWT to the hosted JavaFX scene.
    // 
    // Issues:
    // The FXCanvas only reliably forwards standard transfers
    // (string, ..), and not custom data types.
    // SWT generally doesn't allow multiple drop targets.
    // 
    // Option 1)
    // Use the JavaFX drop API on the plot, and parse the received strings.
    // -> Don't want to parse possibly arbitrary strings.
    // 
    // Option 2)
    // Change the ControlSystemDropTarget to use
    // getSite().getService(IDragAndDropService.class).addMergedDropTarget(..)
    // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162192
    // This would allow 'adding' another DropTarget,
    // but requires changes to the ControlSystemDropTarget,
    // would only work in RCP, not plain SWT.
    // Who then receives the drop events would depend on the order
    // in which drop targets are added and which transfers they use.
    // 
    // Option 3)
    // Hack around the SWT limitation by fetching
    // the FXCanva's DropTarget via
    // control.getData(DND.DROP_TARGET_KEY);
    // and disposing it.
    // Checking the source code for the SWT DropTarget
    // on Windows, Mac and Linux for SWT 3.104,
    // this detaches the DropTarget and allows us
    // to add our own.
    final DropTarget old = (DropTarget) canvas.getData(DND.DROP_TARGET_KEY);
    if (old != null)
        old.dispose();
    if (canvas.getData(DND.DROP_TARGET_KEY) != null)
        throw new IllegalStateException("Cannot remove FXCanvas's DropTarget");
    // Allow dropped arrays
    new ControlSystemDropTarget(canvas, ChannelInfo[].class, ProcessVariable[].class, ArchiveDataSource[].class, File.class, String.class) {

        @Override
        public void handleDrop(final Object item) {
            final PlotListener lst = plot.getListener();
            if (lst == null)
                return;
            if (item instanceof ChannelInfo[]) {
                final ChannelInfo[] channels = (ChannelInfo[]) item;
                final int N = channels.length;
                final ProcessVariable[] pvs = new ProcessVariable[N];
                final ArchiveDataSource[] archives = new ArchiveDataSource[N];
                for (int i = 0; i < N; ++i) {
                    pvs[i] = channels[i].getProcessVariable();
                    archives[i] = channels[i].getArchiveDataSource();
                }
                lst.droppedPVNames(pvs, archives);
            } else if (item instanceof ProcessVariable[]) {
                final ProcessVariable[] pvs = (ProcessVariable[]) item;
                lst.droppedPVNames(pvs, null);
            } else if (item instanceof ArchiveDataSource[]) {
                final ArchiveDataSource[] archives = (ArchiveDataSource[]) item;
                lst.droppedPVNames(null, archives);
            } else if (item instanceof String) {
                final List<String> pvs = new ArrayList<>();
                // Allow passing in many names, assuming that white space separates them
                // $NON-NLS-1$
                final String[] names = ((String) item).split("[\\r\\n\\t ]+");
                for (String one_name : names) {
                    // Might also have received "[pv1, pv2, pv2]", turn that into "pv1", "pv2", "pv3"
                    String suggestion = one_name;
                    if (suggestion.startsWith("["))
                        suggestion = suggestion.substring(1);
                    if (suggestion.endsWith("]") && !suggestion.contains("["))
                        suggestion = suggestion.substring(0, suggestion.length() - 1);
                    if (suggestion.endsWith(","))
                        suggestion = suggestion.substring(0, suggestion.length() - 1);
                    pvs.add(suggestion);
                }
                if (pvs.size() > 0)
                    lst.droppedNames(pvs.toArray(new String[pvs.size()]));
            } else if (item instanceof String[]) {
                // File names arrive as String[]...
                final String[] files = (String[]) item;
                try {
                    for (String filename : files) lst.droppedFilename(filename);
                } catch (Exception ex) {
                    ExceptionDetailsErrorDialog.openError(canvas.getShell(), Messages.Error, ex);
                }
            }
        }
    };
}

Example 12 with ArchiveDataSource

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

the class ArchiveListGUI method createGUI.

/**
 * Create GUI elements
 *  @param parent Parent widget
 */
private void createGUI(final Composite parent) {
    final GridLayout layout = new GridLayout(3, false);
    parent.setLayout(layout);
    // URL:  ___urls___  [info]
    Label l;
    l = new Label(parent, 0);
    l.setText(Messages.Search_URL);
    l.setLayoutData(new GridData());
    urls = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY);
    urls.setToolTipText(Messages.Search_URL_TT);
    for (ArchiveServerURL url : server_urls) urls.add(url.getDisplayName());
    urls.setLayoutData(new GridData(SWT.FILL, 0, true, false));
    if (urls.getItemCount() <= 0) {
        urls.add(Messages.ArchiveListGUI_NoArchives);
        urls.setEnabled(false);
    }
    urls.select(0);
    info = new Button(parent, SWT.PUSH);
    info.setText(Messages.ArchiveServerInfo);
    info.setToolTipText(Messages.ArchiveServerInfoTT);
    info.setEnabled(false);
    // Table for archives, displaying array of ArchiveDataSource entries
    // TableColumnLayout requires table in its own container
    final Composite table_parent = new Composite(parent, 0);
    table_parent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, layout.numColumns, 1));
    final TableColumnLayout table_layout = new MinSizeTableColumnLayout(10);
    table_parent.setLayout(table_layout);
    archive_table = new TableViewer(table_parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
    archive_table.setContentProvider(new ArrayContentProvider());
    TableViewerColumn col = TableHelper.createColumn(table_layout, archive_table, Messages.ArchiveName, 150, 100);
    col.setLabelProvider(new CellLabelProvider() {

        @Override
        public void update(final ViewerCell cell) {
            final ArchiveDataSource archive = (ArchiveDataSource) cell.getElement();
            cell.setText(archive.getName());
        }
    });
    new TableColumnSortHelper<ArchiveDataSource>(archive_table, col) {

        @Override
        public int compare(final ArchiveDataSource item1, final ArchiveDataSource item2) {
            return item1.getName().compareTo(item2.getName());
        }
    };
    col = TableHelper.createColumn(table_layout, archive_table, Messages.ArchiveDescription, 50, 100);
    col.setLabelProvider(new CellLabelProvider() {

        @Override
        public void update(final ViewerCell cell) {
            final ArchiveDataSource archive = (ArchiveDataSource) cell.getElement();
            cell.setText(archive.getDescription());
        }
    });
    new TableColumnSortHelper<ArchiveDataSource>(archive_table, col) {

        @Override
        public int compare(final ArchiveDataSource item1, final ArchiveDataSource item2) {
            return item1.getDescription().compareTo(item2.getDescription());
        }
    };
    col = TableHelper.createColumn(table_layout, archive_table, Messages.ArchiveKey, 35, 5);
    col.setLabelProvider(new CellLabelProvider() {

        @Override
        public void update(final ViewerCell cell) {
            final ArchiveDataSource archive = (ArchiveDataSource) cell.getElement();
            cell.setText(Integer.toString(archive.getKey()));
        }
    });
    new TableColumnSortHelper<ArchiveDataSource>(archive_table, col) {

        @Override
        public int compare(final ArchiveDataSource item1, final ArchiveDataSource item2) {
            return item1.getKey() - item2.getKey();
        }
    };
    final Table table = archive_table.getTable();
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
}

Example 13 with ArchiveDataSource

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

the class ArchiveListGUI method getSelectedArchives.

/**
 * @return Selected archive data sources or 'all' when nothing selected.
 *          Returns <code>null</code> if user decided not to search 'all',
 *          or if connection to data server is not available.
 */
@SuppressWarnings("unchecked")
public ArchiveDataSource[] getSelectedArchives() {
    if (url == null)
        return null;
    final ArrayList<ArchiveDataSource> archives;
    final IStructuredSelection sel = (IStructuredSelection) archive_table.getSelection();
    if (sel.isEmpty()) {
        // Use 'all' archives, but prompt for confirmation
        archives = (ArrayList<ArchiveDataSource>) archive_table.getInput();
        if (archives.size() > 1 && !MessageDialog.openConfirm(archive_table.getTable().getShell(), Messages.Search, NLS.bind(Messages.SearchArchiveConfirmFmt, archives.size())))
            return null;
    } else {
        archives = new ArrayList<ArchiveDataSource>();
        final Object[] objs = sel.toArray();
        for (Object obj : objs) archives.add((ArchiveDataSource) obj);
    }
    return (ArchiveDataSource[]) archives.toArray(new ArchiveDataSource[archives.size()]);
}

Example 14 with ArchiveDataSource

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

the class SearchView method searchForChannels.

/**
 * Search selected archives for channels, updating the
 *  <code>channel_table</code> with the result
 *  @see #channel_table
 */
private void searchForChannels() {
    final ArchiveDataSource[] archives = archive_gui.getSelectedArchives();
    if (archives == null)
        return;
    final String pattern_txt = pattern.getText().trim();
    // Warn when searching ALL channels
    if (pattern_txt.length() <= 0) {
        MessageDialog.openInformation(pattern.getShell(), Messages.Search, Messages.SearchPatternEmptyMessage);
        // Aborted, move focus to search pattern
        pattern.setFocus();
        return;
    }
    new SearchJob(archives, pattern_txt, !regex.getSelection()) {

        @Override
        protected void receivedChannelInfos(final ChannelInfo[] channels) {
            displayChannelInfos(channels);
        }

        @Override
        protected void archiveServerError(final String url, final Exception ex) {
            handleServerError(url, ex);
        }
    }.schedule();
}

Example 15 with ArchiveDataSource

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

the class AddPVAction method runWithSuggestedName.

/**
 * Run the 'add PV' dialog with optional defaults
 *  @param name Suggested PV name, for example from drag-n-drop
 *  @param archive Archive data source for the new PV
 *  @return <code>true</code> if PV name was added, <code>false</code> if canceled by user
 */
public boolean runWithSuggestedName(final String name, final ArchiveDataSource archive) {
    // Prompt for PV name
    final AddPVDialog dlg = new AddPVDialog(shell, 1, model, formula);
    dlg.setName(0, name);
    if (dlg.open() != Window.OK)
        return false;
    // Did user select axis?
    final AxisConfig axis;
    if (dlg.getAxisIndex(0) >= 0)
        axis = model.getAxis(dlg.getAxisIndex(0));
    else
        // Use first empty axis, or create a new one
        axis = model.getEmptyAxis().orElseGet(() -> new AddAxisCommand(operations_manager, model).getAxis());
    // Create item
    if (formula) {
        final Optional<AddModelItemCommand> command = AddModelItemCommand.forFormula(shell, operations_manager, model, dlg.getName(0), axis);
        if (!command.isPresent())
            return false;
        // Open configuration dialog
        final FormulaItem formula = (FormulaItem) command.get().getItem();
        final EditFormulaDialog edit = new EditFormulaDialog(operations_manager, shell, formula);
        edit.open();
    } else
        AddModelItemCommand.forPV(shell, operations_manager, model, dlg.getName(0), dlg.getScanPeriod(0), axis, archive);
    return true;
}