Examples with Format org.pentaho.di.ui.core.widget.text.Format used on opensource projects

Example 1 with Format

use of org.pentaho.di.ui.core.widget.text.Format in project pentaho-kettle by pentaho.

the class LogBrowser 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 KettleLogLayout logLayout = new KettleLogLayout(true);
    final StyleRange normalLogLineStyle = new StyleRange();
    normalLogLineStyle.foreground = GUIResource.getInstance().getColorBlue();
    final StyleRange errorLogLineStyle = new StyleRange();
    errorLogLineStyle.foreground = GUIResource.getInstance().getColorRed();
    // Refresh the log every second or so
    // 
    final Timer logRefreshTimer = new Timer("log sniffer Timer");
    TimerTask timerTask = new TimerTask() {

        public void run() {
            if (text.isDisposed()) {
                return;
            }
            text.getDisplay().asyncExec(new Runnable() {

                public void run() {
                    HasLogChannelInterface provider = logProvider.getLogChannelProvider();
                    if (provider != null && !text.isDisposed() && !busy.get() && !paused.get() && text.isVisible()) {
                        busy.set(true);
                        LogChannelInterface 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 = KettleLogStore.getLastBufferLineNr();
                        if (lastNr > lastLogId.get()) {
                            List<KettleLoggingEvent> logLines = KettleLogStore.getLogBufferFromTo(childIds, true, lastLogId.get(), lastNr);
                            // The maximum size of the log buffer
                            // 
                            int maxSize = Props.getInstance().getMaxNrLinesInLog() * 150;
                            synchronized (text) {
                                for (int i = 0; i < logLines.size(); i++) {
                                    KettleLoggingEvent 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);
                                        for (StyleRange styleRange : format.getStyleRanges()) {
                                            styleRange.start += start;
                                            text.setStyleRange(styleRange);
                                        }
                                        if (event.getLevel() == LogLevel.ERROR) {
                                            StyleRange styleRange = new StyleRange();
                                            styleRange.foreground = GUIResource.getInstance().getColorRed();
                                            styleRange.start = start;
                                            styleRange.length = length;
                                            text.setStyleRange(styleRange);
                                        } else {
                                            StyleRange styleRange = new StyleRange();
                                            styleRange.foreground = GUIResource.getInstance().getColorBlue();
                                            styleRange.start = start;
                                            styleRange.length = Math.min(20, length);
                                            text.setStyleRange(styleRange);
                                        }
                                    }
                                }
                            }
                            // 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.replaceTextRange(0, dropIndex, "");
                            }
                            text.setSelection(text.getText().length());
                            lastLogId.set(lastNr);
                        }
                        busy.set(false);
                    }
                }
            });
        }
    };
    // Refresh every often enough
    // 
    logRefreshTimer.schedule(timerTask, Const.toInt(EnvUtil.getSystemProperty(Const.KETTLE_LOG_TAB_REFRESH_DELAY), 1000), Const.toInt(EnvUtil.getSystemProperty(Const.KETTLE_LOG_TAB_REFRESH_PERIOD), 1000));
    text.addListener(SWT.MouseDown, e -> {
        try {
            int offset = text.getOffsetAtLocation(new Point(e.x, e.y));
            StyleRange style = text.getStyleRangeAtOffset(offset);
            if (style != null && style.underline && style.underlineStyle == SWT.UNDERLINE_LINK) {
                if (Desktop.isDesktopSupported()) {
                    Desktop.getDesktop().browse(new URI((String) style.data));
                }
            }
        } catch (Exception ex) {
        // no character under event.x, event.y
        }
    });
    // Make sure the timer goes down when the widget is disposed
    // 
    text.addDisposeListener(new DisposeListener() {

        public void widgetDisposed(DisposeEvent event) {
            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() {

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

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