Examples with Format org.apache.hop.ui.core.widget.text.Format used on opensource projects

Example 1 with Format

use of org.apache.hop.ui.core.widget.text.Format in project hop by apache.

the class HopGuiLogBrowser method installLogSniffer.

public void installLogSniffer() {
    // Create a new buffer appender to the log and capture that directly...
    // 
    final AtomicInteger lastLogId = new AtomicInteger(-1);
    final AtomicBoolean busy = new AtomicBoolean(false);
    final HopLogLayout logLayout = new HopLogLayout(true);
    // Refresh the log every second or so
    // 
    final Timer logRefreshTimer = new Timer("log sniffer Timer");
    TimerTask timerTask = new TimerTask() {

        @Override
        public void run() {
            if (text.isDisposed() || text.getDisplay().isDisposed()) {
                return;
            }
            text.getDisplay().asyncExec(() -> {
                IHasLogChannel provider = logProvider.getLogChannelProvider();
                if (provider != null && !text.isDisposed() && !busy.get() && !paused.get() && text.isVisible()) {
                    busy.set(true);
                    ILogChannel logChannel = provider.getLogChannel();
                    String parentLogChannelId = logChannel.getLogChannelId();
                    LoggingRegistry registry = LoggingRegistry.getInstance();
                    Date registryModDate = registry.getLastModificationTime();
                    if (childIds == null || lastLogRegistryChange == null || registryModDate.compareTo(lastLogRegistryChange) > 0) {
                        lastLogRegistryChange = registry.getLastModificationTime();
                        childIds = LoggingRegistry.getInstance().getLogChannelChildren(parentLogChannelId);
                    }
                    // See if we need to log any lines...
                    // 
                    int lastNr = HopLogStore.getLastBufferLineNr();
                    if (lastNr > lastLogId.get()) {
                        List<HopLoggingEvent> logLines = HopLogStore.getLogBufferFromTo(childIds, true, lastLogId.get(), lastNr);
                        // The maximum size of the log buffer
                        // 
                        int maxSize;
                        DescribedVariable describedVariable = HopConfig.getInstance().findDescribedVariable(Const.HOP_MAX_LOG_SIZE_IN_LINES);
                        if (describedVariable == null) {
                            maxSize = Const.MAX_NR_LOG_LINES;
                        } else {
                            maxSize = Const.toInt(describedVariable.getValue(), Const.MAX_NR_LOG_LINES);
                        }
                        synchronized (text) {
                            for (int i = 0; i < logLines.size(); i++) {
                                HopLoggingEvent event = logLines.get(i);
                                String line = logLayout.format(event).trim();
                                int start = text.getText().length();
                                int length = line.length();
                                if (length > 0) {
                                    Format format = TextFormatter.getInstance().execute(line);
                                    text.append(format.getText());
                                    text.append(Const.CR);
                                }
                            }
                        }
                        // Erase it all in one go
                        // This makes it a bit more efficient
                        // 
                        int size = text.getText().length();
                        if (maxSize > 0 && size > maxSize) {
                            int dropIndex = (text.getText().indexOf(Const.CR, size - maxSize)) + Const.CR.length();
                            text.setText(text.getText().substring(dropIndex));
                        }
                        text.setSelection(text.getText().length());
                        lastLogId.set(lastNr);
                    }
                    busy.set(false);
                }
            });
        }
    };
    // Refresh every often enough
    // 
    logRefreshTimer.schedule(timerTask, Const.toInt(EnvUtil.getSystemProperty(Const.HOP_LOG_TAB_REFRESH_DELAY), 1000), Const.toInt(EnvUtil.getSystemProperty(Const.HOP_LOG_TAB_REFRESH_PERIOD), 1000));
    // Make sure the timer goes down when the widget is disposed
    // 
    text.addDisposeListener(event -> logRefreshTimer.cancel());
    // Make sure the timer goes down when the Display is disposed
    // Lambda expression cannot be used here as it causes SecurityException in RAP.
    text.getDisplay().disposeExec(() -> logRefreshTimer.cancel());
    final Menu menu = new Menu(text);
    MenuItem item = new MenuItem(menu, SWT.NONE);
    item.setText(BaseMessages.getString(PKG, "LogBrowser.CopySelectionToClipboard.MenuItem"));
    item.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent event) {
            String selection = text.getSelectionText();
            if (!Utils.isEmpty(selection)) {
                GuiResource.getInstance().toClipboard(selection);
            }
        }
    });
    text.setMenu(menu);
    text.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseDown(MouseEvent event) {
            if (event.button == 3) {
                ConstUi.displayMenu(menu, text);
            }
        }
    });
}