--- /dev/null
+/**********************************************************************
+ * Copyright (c) 2015 Ericsson
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Bernd Hufmann - Initial API and implementation
+ **********************************************************************/
+package org.eclipse.tracecompass.analysis.timing.ui.views.segmentstore;
+
+import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull;
+
+import org.eclipse.jdt.annotation.Nullable;
+import org.eclipse.tracecompass.internal.analysis.timing.ui.views.segmentstore.Messages;
+import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp;
+import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp;
+import org.eclipse.tracecompass.tmf.ui.viewers.xycharts.ITmfChartTimeProvider;
+import org.eclipse.tracecompass.tmf.ui.viewers.xycharts.TmfClosestDataPointTooltipProvider;
+import org.swtchart.ISeries;
+
+/**
+ * Tooltip provider for durations scatter charts. It displays the y value of
+ * position x as well as it highlights the closest data point.
+ *
+ * @author Bernd Hufmann
+ */
+public class SegmentStoreScatterGraphTooltipProvider extends TmfClosestDataPointTooltipProvider{
+
+ // ------------------------------------------------------------------------
+ // Constructors
+ // ------------------------------------------------------------------------
+ /**
+ * Constructor for the segment store scatter chart tooltip provider.
+ *
+ * @param tmfChartViewer
+ * - the parent chart viewer
+ */
+ public SegmentStoreScatterGraphTooltipProvider(ITmfChartTimeProvider tmfChartViewer) {
+ super(tmfChartViewer);
+ register();
+ }
+
+ // ------------------------------------------------------------------------
+ // TmfClosestDataPointTooltipProvider
+ // ------------------------------------------------------------------------
+ @Override
+ protected @Nullable String createToolTipText(Parameter param) {
+ ISeries[] series = getChart().getSeriesSet().getSeries();
+ int seriesIndex = param.getSeriesIndex();
+ int dataIndex = param.getDataIndex();
+ if ((series != null) && (seriesIndex < series.length)) {
+ ISeries serie = series[seriesIndex];
+ double[] xS = serie.getXSeries();
+ double[] yS = serie.getYSeries();
+ if ((xS != null) && (yS != null) && (dataIndex < xS.length) && (dataIndex < yS.length)) {
+ StringBuffer buffer = new StringBuffer();
+ buffer.append(checkNotNull(Messages.SegmentStoreScatterGraphViewer_xAxis)).append('=');
+ buffer.append(new TmfTimestamp((long) xS[dataIndex] + getChartViewer().getTimeOffset(), ITmfTimestamp.NANOSECOND_SCALE).toString());
+ buffer.append('\n');
+ buffer.append(Messages.SegmentStoreScatterGraphViewer_yAxis).append('=');
+ buffer.append((long) yS[dataIndex]);
+ return buffer.toString();
+ }
+ }
+ return null;
+ }
+
+}
\ No newline at end of file
--- /dev/null
+/**********************************************************************
+ * Copyright (c) 2015 Ericsson
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Bernd Hufmann - Initial API and implementation
+ **********************************************************************/
+package org.eclipse.tracecompass.tmf.ui.viewers.xycharts;
+
+import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull;
+
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.NonNullByDefault;
+import org.eclipse.jdt.annotation.Nullable;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseMoveListener;
+import org.eclipse.swt.events.MouseTrackListener;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp;
+import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp;
+import org.swtchart.IAxis;
+import org.swtchart.ISeries;
+
+/**
+ * Abstract tooltip provider for xy chart viewers. It displays the y value and y
+ * value of the data point of the mouse position. Extending classes can provide
+ * a custom tooltip text.
+ *
+ * @author Bernd Hufmann
+ * @since 2.0
+ */
+@NonNullByDefault(false)
+public class TmfClosestDataPointTooltipProvider extends TmfBaseProvider implements MouseTrackListener, MouseMoveListener, PaintListener {
+
+ // ------------------------------------------------------------------------
+ // Constants
+ // ------------------------------------------------------------------------
+ private static final int ALPHA = 128;
+ private static final int HIGHLIGHT_RADIUS = 5;
+
+ // ------------------------------------------------------------------------
+ // Attributes
+ // ------------------------------------------------------------------------
+ /** X coordinate for highlighting */
+ private int fHighlightX;
+ /** y coordinate for highlighting */
+ private int fHighlightY;
+ /** Flag to do highlighting or not */
+ private boolean fIsHighlight;
+
+ // ------------------------------------------------------------------------
+ // Constructors
+ // ------------------------------------------------------------------------
+ /**
+ * Constructor for a tool tip provider.
+ *
+ * @param tmfChartViewer
+ * - the parent chart viewer
+ */
+ public TmfClosestDataPointTooltipProvider(ITmfChartTimeProvider tmfChartViewer) {
+ super(tmfChartViewer);
+ register();
+ }
+
+ // ------------------------------------------------------------------------
+ // TmfBaseProvider
+ // ------------------------------------------------------------------------
+ @Override
+ public void register() {
+ getChart().getPlotArea().addMouseTrackListener(this);
+ getChart().getPlotArea().addMouseMoveListener(this);
+ getChart().getPlotArea().addPaintListener(this);
+ }
+
+ @Override
+ public void deregister() {
+ if ((getChartViewer().getControl() != null) && !getChartViewer().getControl().isDisposed()) {
+ getChart().getPlotArea().removeMouseTrackListener(this);
+ getChart().getPlotArea().removeMouseMoveListener(this);
+ getChart().getPlotArea().removePaintListener(this);
+ }
+ }
+
+ @Override
+ public void refresh() {
+ // nothing to do
+ }
+
+ // ------------------------------------------------------------------------
+ // MouseTrackListener
+ // ------------------------------------------------------------------------
+ @Override
+ public void mouseEnter(MouseEvent e) {
+ }
+
+ @Override
+ public void mouseExit(MouseEvent e) {
+ }
+
+ @Override
+ public void mouseHover(MouseEvent e) {
+ if ((getChartViewer().getWindowDuration() != 0) && (e != null)) {
+ IAxis xAxis = getChart().getAxisSet().getXAxis(0);
+ IAxis yAxis = getChart().getAxisSet().getYAxis(0);
+
+ ISeries[] series = getChart().getSeriesSet().getSeries();
+
+ double smallestDistance = Double.MAX_VALUE;
+ Parameter param = null;
+
+ // go over all series
+ for (int k = 0; k < series.length; k++) {
+ ISeries serie = series[k];
+ double[] xS = serie.getXSeries();
+ double[] yS = serie.getYSeries();
+
+ if ((xS == null) || (yS == null)) {
+ continue;
+ }
+ // go over all data points
+ for (int i = 0; i < xS.length; i++) {
+ int xs = xAxis.getPixelCoordinate(xS[i]) - e.x;
+ int ys = yAxis.getPixelCoordinate(yS[i]) - e.y;
+ double currentDistance = xs * xs + ys * ys;
+
+ /*
+ * Check for smallest distance to mouse position and
+ * only consider it if the mouse is close the data point.
+ */
+ if ((currentDistance < smallestDistance) && (currentDistance < (HIGHLIGHT_RADIUS * HIGHLIGHT_RADIUS))) {
+ smallestDistance = currentDistance;
+ fHighlightX = xs + e.x;
+ fHighlightY = ys + e.y;
+ if (param == null) {
+ param = new Parameter();
+ }
+ param.setSeriesIndex(k);
+ param.setDataIndex(i);
+ }
+ }
+ }
+ String tooltip = null;
+ if (param != null) {
+ tooltip = createToolTipText(param);
+ if (tooltip != null) {
+ fIsHighlight = true;
+ getChart().redraw();
+ }
+ }
+ /*
+ * Note that tooltip might be null which will clear the
+ * previous tooltip string. This is intentional.
+ */
+ getChart().getPlotArea().setToolTipText(tooltip);
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ // MouseMoveListener
+ // ------------------------------------------------------------------------
+ @Override
+ public void mouseMove(@Nullable MouseEvent e) {
+ fIsHighlight = false;
+ getChart().redraw();
+ }
+
+ // ------------------------------------------------------------------------
+ // PaintListener
+ // ------------------------------------------------------------------------
+ @Override
+ public void paintControl(PaintEvent e) {
+ if (fIsHighlight && e != null) {
+ e.gc.setBackground(Display.getDefault().getSystemColor(
+ SWT.COLOR_RED));
+ e.gc.setAlpha(ALPHA);
+
+ e.gc.fillOval(fHighlightX - HIGHLIGHT_RADIUS, fHighlightY - HIGHLIGHT_RADIUS,
+ 2 * HIGHLIGHT_RADIUS, 2 * HIGHLIGHT_RADIUS);
+ }
+ }
+
+ /**
+ * Creates the tooltip based on the given parameter.
+ *
+ * @param param
+ * parameter to create the tooltip string
+ * @return the tooltip based on the given parameter.
+ */
+ protected String createToolTipText(@NonNull Parameter param) {
+ ISeries[] series = getChart().getSeriesSet().getSeries();
+ int seriesIndex = param.getSeriesIndex();
+ int dataIndex = param.getDataIndex();
+ if ((series != null) && (seriesIndex < series.length)) {
+ ISeries serie = series[seriesIndex];
+ double[] xS = serie.getXSeries();
+ double[] yS = serie.getYSeries();
+ if ((xS != null) && (yS != null) && (dataIndex < xS.length) && (dataIndex < yS.length)) {
+ StringBuffer buffer = new StringBuffer();
+ buffer.append(checkNotNull("x=")); //$NON-NLS-1$
+ buffer.append(new TmfTimestamp((long) xS[dataIndex] + getChartViewer().getTimeOffset(), ITmfTimestamp.NANOSECOND_SCALE).toString());
+ buffer.append('\n');
+ buffer.append("y="); //$NON-NLS-1$
+ buffer.append((long) yS[dataIndex]);
+ return buffer.toString();
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Parameter class
+ */
+ protected static class Parameter {
+ /* A series index */
+ private int seriesIndex;
+ /* A data point index within a series */
+ private int dataIndex;
+
+ /**
+ * @return the series index
+ */
+ public int getSeriesIndex() {
+ return seriesIndex;
+ }
+
+ /**
+ * @param seriesIndex
+ * index the seriesIndex to set
+ */
+ public void setSeriesIndex(int seriesIndex) {
+ this.seriesIndex = seriesIndex;
+ }
+
+ /**
+ * @return the data index
+ */
+ public int getDataIndex() {
+ return dataIndex;
+ }
+
+ /**
+ * @param dataIndex
+ * the data index to set
+ */
+ public void setDataIndex(int dataIndex) {
+ this.dataIndex = dataIndex;
+ }
+
+ }
+}
\ No newline at end of file
projects / deliverable / tracecompass.git / commitdiff
