| /******************************************************************************* |
| * Copyright (c) 2008, 2018 Red Hat, Inc. |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Elliott Baron <ebaron@redhat.com> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.linuxtools.internal.valgrind.massif.charting; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.linuxtools.internal.valgrind.massif.MassifSnapshot; |
| import org.eclipse.linuxtools.valgrind.ui.IValgrindToolView; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.MouseAdapter; |
| import org.eclipse.swt.events.MouseEvent; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.FontData; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swtchart.Chart; |
| import org.eclipse.swtchart.IAxis; |
| import org.eclipse.swtchart.IAxisSet; |
| import org.eclipse.swtchart.ILineSeries; |
| import org.eclipse.swtchart.ILineSeries.PlotSymbolType; |
| import org.eclipse.swtchart.ISeries.SeriesType; |
| import org.eclipse.swtchart.ITitle; |
| import org.eclipse.swtchart.LineStyle; |
| import org.eclipse.swtchart.Range; |
| import org.eclipse.swtchart.extensions.charts.InteractiveChart; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorSite; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.part.EditorPart; |
| |
| public class ChartEditor extends EditorPart { |
| private InteractiveChart control; |
| |
| @Override |
| public void doSave(IProgressMonitor monitor) { |
| } |
| |
| @Override |
| public void doSaveAs() { |
| } |
| |
| @Override |
| public void init(IEditorSite site, IEditorInput input) |
| throws PartInitException { |
| if (input instanceof ChartEditorInput) { |
| setInput(input); |
| setSite(site); |
| setPartName(NLS.bind(Messages.getString("ChartEditor.Heap_Chart"), input.getName())); //$NON-NLS-1$ |
| } |
| else { |
| throw new PartInitException(NLS.bind(Messages.getString("ChartEditor.Editor_input_must_be"), ChartEditorInput.class.getName())); //$NON-NLS-1$ |
| } |
| } |
| |
| @Override |
| public boolean isDirty() { |
| return false; |
| } |
| |
| @Override |
| public boolean isSaveAsAllowed() { |
| return false; |
| } |
| |
| @Override |
| public void createPartControl(Composite parent) { |
| final ChartEditorInput input = (ChartEditorInput) getEditorInput(); |
| final HeapChart heapChart = input.getChart(); |
| control = new InteractiveChart(parent, SWT.FILL); |
| heapChart.setChartControl(control); |
| |
| final Color LIGHTYELLOW = new Color(Display.getDefault(), 255, 255, 225); |
| final Color WHITE = Display.getDefault().getSystemColor(SWT.COLOR_WHITE); |
| final Color BLACK = Display.getDefault().getSystemColor(SWT.COLOR_BLACK); |
| final Color RED = Display.getDefault().getSystemColor(SWT.COLOR_RED); |
| final Color ORANGE = new Color(Display.getDefault(), 255, 165, 0); |
| final Color GREEN = Display.getDefault().getSystemColor(SWT.COLOR_GREEN); |
| final Color DARK_BLUE = new Color(Display.getDefault(), 64, 128, 128); |
| final int TICK_GAP = 40; |
| |
| control.setBackground(WHITE); |
| control.getPlotArea().setBackground(LIGHTYELLOW); |
| |
| FontData fd = JFaceResources.getDialogFont().getFontData()[0]; |
| fd.setStyle(SWT.BOLD); |
| |
| Font font = new Font(Display.getDefault(), fd); |
| fd.setHeight(fd.getHeight() + 2); |
| Font titleFont = new Font(Display.getDefault(), fd); |
| |
| ITitle title = control.getTitle(); |
| title.setFont(titleFont); |
| title.setForeground(BLACK); |
| title.setText(heapChart.title); |
| |
| IAxis xAxis = control.getAxisSet().getXAxis(0); |
| xAxis.getGrid().setStyle(LineStyle.NONE); |
| xAxis.getTick().setForeground(BLACK); |
| ITitle xTitle = xAxis.getTitle(); |
| xTitle.setFont(font); |
| xTitle.setForeground(BLACK); |
| xTitle.setText(heapChart.xUnits); |
| |
| IAxis yAxis = control.getAxisSet().getYAxis(0); |
| yAxis.getGrid().setStyle(LineStyle.SOLID); |
| yAxis.getTick().setForeground(BLACK); |
| yAxis.getTick().setTickMarkStepHint(TICK_GAP); |
| ITitle yTitle = yAxis.getTitle(); |
| yTitle.setFont(font); |
| yTitle.setText(heapChart.yUnits); |
| yTitle.setForeground(BLACK); |
| |
| control.getLegend().setPosition(SWT.BOTTOM); |
| |
| // data |
| final ILineSeries lsUseful = (ILineSeries) control.getSeriesSet(). |
| createSeries(SeriesType.LINE, Messages.getString("HeapChart.Useful_Heap")); //$NON-NLS-1$; |
| lsUseful.setXSeries(heapChart.time); |
| lsUseful.setYSeries(heapChart.dataUseful); |
| lsUseful.setSymbolType(PlotSymbolType.DIAMOND); |
| lsUseful.setSymbolColor(RED); |
| lsUseful.setLineColor(RED); |
| |
| final ILineSeries lsExtra = (ILineSeries) control.getSeriesSet(). |
| createSeries(SeriesType.LINE, Messages.getString("HeapChart.Extra_Heap")); //$NON-NLS-1$; |
| lsExtra.setXSeries(heapChart.time); |
| lsExtra.setYSeries(heapChart.dataExtra); |
| lsExtra.setSymbolType(PlotSymbolType.DIAMOND); |
| lsExtra.setSymbolColor(ORANGE); |
| lsExtra.setLineColor(ORANGE); |
| |
| if (heapChart.dataStacks != null){ |
| final ILineSeries lsStack = (ILineSeries) control.getSeriesSet(). |
| createSeries(SeriesType.LINE, Messages.getString("HeapChart.Stacks")); //$NON-NLS-1$; |
| lsStack.setXSeries(heapChart.time); |
| lsStack.setYSeries(heapChart.dataStacks); |
| lsStack.setSymbolType(PlotSymbolType.DIAMOND); |
| lsStack.setSymbolColor(DARK_BLUE); |
| lsStack.setLineColor(DARK_BLUE); |
| } |
| |
| final ILineSeries lsTotal = (ILineSeries) control.getSeriesSet(). |
| createSeries(SeriesType.LINE, Messages.getString("HeapChart.Total_Heap")); //$NON-NLS-1$; |
| lsTotal.setXSeries(heapChart.time); |
| lsTotal.setYSeries(heapChart.dataTotal); |
| lsTotal.setSymbolType(PlotSymbolType.DIAMOND); |
| lsTotal.setSymbolColor(GREEN); |
| lsTotal.setLineColor(GREEN); |
| |
| // adjust axes |
| control.getAxisSet().adjustRange(); |
| |
| IAxisSet axisSet = control.getAxisSet(); |
| Range xRange = axisSet.getXAxis(0).getRange(); |
| Range yRange = axisSet.getYAxis(0).getRange(); |
| |
| double xExtra = 0.05 * (xRange.upper - xRange.lower); |
| double yExtra = 0.05 * (yRange.upper - yRange.lower); |
| |
| axisSet.getXAxis(0).setRange(new Range(xRange.lower, xRange.upper + xExtra)); |
| axisSet.getYAxis(0).setRange(new Range(yRange.lower, yRange.upper + yExtra)); |
| |
| // listeners |
| control.getPlotArea().getControl().addMouseListener(new MouseAdapter() { |
| |
| @Override |
| public void mouseDown(MouseEvent e) { |
| showView(); |
| TableViewer viewer = input.getView().getTableViewer(); |
| input.getView().setTopControl(viewer.getControl()); |
| |
| Point p = new Point(e.x, e.y); |
| |
| int closest = 0; |
| double d1, d2, d3, currMin; |
| double globalMin = Double.MAX_VALUE; |
| for (int i = 0; i < heapChart.time.length; i++){ |
| // get distance from click event to data points for the given index |
| d1 = distance(lsUseful.getPixelCoordinates(i), p); |
| d2 = distance(lsExtra.getPixelCoordinates(i), p); |
| d3 = distance(lsTotal.getPixelCoordinates(i), p); |
| // find the closest data point to the click event |
| currMin = Math.min(Math.min(d1, d2), d3); |
| if (currMin < globalMin){ |
| closest = i; |
| globalMin = currMin; |
| } |
| } |
| |
| MassifSnapshot snapshot = (MassifSnapshot) viewer.getElementAt(closest); |
| viewer.setSelection(new StructuredSelection(snapshot), true); |
| |
| if (e.count == 2 && snapshot.isDetailed()) { |
| ChartLocationsDialog dialog = new ChartLocationsDialog(Display.getCurrent().getActiveShell()); |
| dialog.setInput(snapshot); |
| |
| if (dialog.open() == Window.OK) { |
| dialog.openEditorForResult(); |
| } |
| } |
| |
| } |
| }); |
| |
| } |
| |
| public Chart getControl() { |
| return control; |
| } |
| |
| @Override |
| public void setFocus() { |
| if (control != null) { |
| control.setFocus(); |
| } |
| } |
| |
| @Override |
| public void dispose() { |
| super.dispose(); |
| control.dispose(); |
| } |
| |
| |
| /** |
| * Shows the Valgrind view in the active page and gives it focus. |
| */ |
| private void showView() { |
| Display.getDefault().syncExec(() -> { |
| try { |
| IWorkbenchPage activePage = PlatformUI.getWorkbench() |
| .getActiveWorkbenchWindow().getActivePage(); |
| activePage.showView(IValgrindToolView.VIEW_ID); |
| } catch (PartInitException e) { |
| e.printStackTrace(); |
| } |
| }); |
| } |
| |
| /** |
| * Calculate Euclidean distance between two points (R2). |
| */ |
| private double distance (Point p1, Point p2) { |
| return Math.sqrt(Math.pow(p1.x - p2.x, 2) + Math.pow(p1.y - p2.y, 2)); |
| } |
| |
| } |
