org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/internal/tmf/ui/parsers/wizards/CustomXmlParserOutputWizardPage.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tassé - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.tmf.ui.parsers.wizards;
  14
  15 import java.io.File;
  16 import java.io.FileWriter;
  17 import java.io.IOException;
  18 import java.util.ArrayList;
  19 import java.util.Iterator;
  20 import java.util.List;
  21
  22 import org.eclipse.jface.wizard.WizardPage;
  23 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  24 import org.eclipse.linuxtools.internal.tmf.ui.Messages;
  25 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomEventsTable;
  26 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomTraceDefinition;
  27 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomTraceDefinition.OutputColumn;
  28 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomXmlTrace;
  29 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomXmlTraceDefinition;
  30 import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
  31 import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimeRange;
  32 import org.eclipse.swt.SWT;
  33 import org.eclipse.swt.custom.SashForm;
  34 import org.eclipse.swt.custom.ScrolledComposite;
  35 import org.eclipse.swt.events.SelectionAdapter;
  36 import org.eclipse.swt.events.SelectionEvent;
  37 import org.eclipse.swt.graphics.Image;
  38 import org.eclipse.swt.layout.GridData;
  39 import org.eclipse.swt.layout.GridLayout;
  40 import org.eclipse.swt.widgets.Button;
  41 import org.eclipse.swt.widgets.Composite;
  42 import org.eclipse.swt.widgets.Text;
  43
  44 /**
  45  * Output wizard page for custom XML trace parsers.
  46  *
  47  * @author Patrick Tassé
  48  */
  49 public class CustomXmlParserOutputWizardPage extends WizardPage {
  50
  51     private static final Image upImage = Activator.getDefault().getImageFromPath("/icons/elcl16/up_button.gif"); //$NON-NLS-1$
  52     private static final Image downImage = Activator.getDefault().getImageFromPath("/icons/elcl16/down_button.gif"); //$NON-NLS-1$
  53     private final CustomXmlParserWizard wizard;
  54     private CustomXmlTraceDefinition definition;
  55     List<Output> outputs = new ArrayList<Output>();
  56     //    Output messageOutput;
  57     Composite container;
  58     SashForm sash;
  59     //    Text timestampFormatText;
  60     //    Text timestampPreviewText;
  61     ScrolledComposite outputsScrolledComposite;
  62     Composite outputsContainer;
  63     //    ScrolledComposite inputScrolledComposite;
  64     Composite tableContainer;
  65     CustomEventsTable previewTable;
  66     File tmpFile;
  67
  68     /**
  69      * Constructor
  70      *
  71      * @param wizard
  72      *            The wizard to which this page belongs
  73      */
  74     protected CustomXmlParserOutputWizardPage(final CustomXmlParserWizard wizard) {
  75         super("CustomParserOutputWizardPage"); //$NON-NLS-1$
  76         setTitle(wizard.inputPage.getTitle());
  77         setDescription(Messages.CustomXmlParserOutputWizardPage_description);
  78         this.wizard = wizard;
  79         setPageComplete(false);
  80     }
  81
  82     @Override
  83     public void createControl(final Composite parent) {
  84         container = new Composite(parent, SWT.NULL);
  85         container.setLayout(new GridLayout());
  86
  87         sash = new SashForm(container, SWT.VERTICAL);
  88         sash.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  89         sash.setBackground(sash.getDisplay().getSystemColor(SWT.COLOR_GRAY));
  90
  91         outputsScrolledComposite = new ScrolledComposite(sash, SWT.V_SCROLL);
  92         outputsScrolledComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  93         outputsContainer = new Composite(outputsScrolledComposite, SWT.NONE);
  94         final GridLayout outputsLayout = new GridLayout(4, false);
  95         outputsLayout.marginHeight = 10;
  96         outputsLayout.marginWidth = 0;
  97         outputsContainer.setLayout(outputsLayout);
  98         outputsScrolledComposite.setContent(outputsContainer);
  99         outputsScrolledComposite.setExpandHorizontal(true);
 100         outputsScrolledComposite.setExpandVertical(true);
 101
 102         outputsContainer.layout();
 103
 104         outputsScrolledComposite.setMinSize(outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y-5);
 105
 106         tableContainer = new Composite(sash, SWT.NONE);
 107         final GridLayout tableLayout = new GridLayout();
 108         tableLayout.marginHeight = 0;
 109         tableLayout.marginWidth = 0;
 110         tableContainer.setLayout(tableLayout);
 111         previewTable = new CustomEventsTable(new CustomXmlTraceDefinition(), tableContainer, 0);
 112         previewTable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 113
 114         if (wizard.definition != null) {
 115             loadDefinition(wizard.definition);
 116         }
 117         setControl(container);
 118
 119     }
 120
 121     @Override
 122     public void dispose() {
 123         previewTable.dispose();
 124         super.dispose();
 125     }
 126
 127     private void loadDefinition(final CustomTraceDefinition def) {
 128         for (final OutputColumn outputColumn : def.outputs) {
 129             final Output output = new Output(outputsContainer, outputColumn.name);
 130             outputs.add(output);
 131         }
 132     }
 133
 134     @Override
 135     public void setVisible(final boolean visible) {
 136         if (visible) {
 137             this.definition = wizard.inputPage.getDefinition();
 138             final List<String> outputNames = wizard.inputPage.getInputNames();
 139
 140             // dispose outputs that have been removed in the input page
 141             final Iterator<Output> iter = outputs.iterator();
 142             while (iter.hasNext()) {
 143                 final Output output = iter.next();
 144                 boolean found = false;
 145                 for (final String name : outputNames) {
 146                     if (output.name.equals(name)) {
 147                         found = true;
 148                         break;
 149                     }
 150                 }
 151                 if (!found) {
 152                     output.dispose();
 153                     iter.remove();
 154                 }
 155             }
 156
 157             // create outputs that have been added in the input page
 158             for (final String name : outputNames) {
 159                 boolean found = false;
 160                 for (final Output output : outputs) {
 161                     if (output.name.equals(name)) {
 162                         found = true;
 163                         break;
 164                     }
 165                 }
 166                 if (!found) {
 167                     outputs.add(new Output(outputsContainer, name));
 168                 }
 169             }
 170
 171             outputsContainer.layout();
 172             outputsScrolledComposite.setMinSize(outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y-5);
 173             updatePreviewTable();
 174             if (sash.getSize().y > outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y + previewTable.getTable().getItemHeight()) {
 175                 sash.setWeights(new int[] {outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y, sash.getSize().y - outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y});
 176             } else {
 177                 sash.setWeights(new int[] {outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y, previewTable.getTable().getItemHeight()});
 178             }
 179             setPageComplete(true);
 180         } else {
 181             setPageComplete(false);
 182         }
 183         super.setVisible(visible);
 184     }
 185
 186     private void moveBefore(final Output moved) {
 187         final int i = outputs.indexOf(moved);
 188         if (i > 0) {
 189             final Output previous = outputs.get(i-1);
 190             moved.enabledButton.moveAbove(previous.enabledButton);
 191             moved.nameLabel.moveBelow(moved.enabledButton);
 192             moved.upButton.moveBelow(moved.nameLabel);
 193             moved.downButton.moveBelow(moved.upButton);
 194             outputs.add(i-1, outputs.remove(i));
 195             outputsContainer.layout();
 196             outputsScrolledComposite.setMinSize(outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y-5);
 197             container.layout();
 198             updatePreviewTable();
 199         }
 200     }
 201
 202     private void moveAfter(final Output moved) {
 203         final int i = outputs.indexOf(moved);
 204         if (i+1 < outputs.size()) {
 205             final Output next = outputs.get(i+1);
 206             moved.enabledButton.moveBelow(next.downButton);
 207             moved.nameLabel.moveBelow(moved.enabledButton);
 208             moved.upButton.moveBelow(moved.nameLabel);
 209             moved.downButton.moveBelow(moved.upButton);
 210             outputs.add(i+1, outputs.remove(i));
 211             outputsContainer.layout();
 212             outputsScrolledComposite.setMinSize(outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y-5);
 213             container.layout();
 214             updatePreviewTable();
 215         }
 216     }
 217
 218     private void updatePreviewTable() {
 219         final int CACHE_SIZE = 50;
 220         definition.outputs = extractOutputs();
 221
 222         try {
 223             tmpFile = Activator.getDefault().getStateLocation().addTrailingSeparator().append("customwizard.tmp").toFile(); //$NON-NLS-1$
 224             final FileWriter writer = new FileWriter(tmpFile);
 225             writer.write(wizard.inputPage.getInputText());
 226             writer.close();
 227
 228             final CustomXmlTrace trace = new CustomXmlTrace(null, definition, tmpFile.getAbsolutePath(), CACHE_SIZE);
 229             trace.getIndexer().buildIndex(0, TmfTimeRange.ETERNITY, false);
 230             previewTable.dispose();
 231             previewTable = new CustomEventsTable(definition, tableContainer, CACHE_SIZE);
 232             previewTable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 233             previewTable.setTrace(trace, true);
 234         } catch (final TmfTraceException e) {
 235             Activator.getDefault().logError("Error creating CustomXmlTrace. File:" + tmpFile.getAbsolutePath(), e); //$NON-NLS-1$
 236         } catch (final IOException e) {
 237             Activator.getDefault().logError("Error creating CustomXmlTrace. File:" + tmpFile.getAbsolutePath(), e); //$NON-NLS-1$
 238         }
 239
 240         tableContainer.layout();
 241         container.layout();
 242     }
 243
 244     /**
 245      * Extract the output columns from the page's current contents.
 246      *
 247      * @return The list of output columns
 248      */
 249     public List<OutputColumn> extractOutputs() {
 250         int numColumns = 0;
 251         for (int i = 0; i < outputs.size(); i++) {
 252             if (outputs.get(i).enabledButton.getSelection()) {
 253                 numColumns++;
 254             }
 255         }
 256         final List<OutputColumn> outputColumns = new ArrayList<OutputColumn>(numColumns);
 257         numColumns = 0;
 258         for (int i = 0; i < outputs.size(); i++) {
 259             final Output output = outputs.get(i);
 260             if (output.enabledButton.getSelection()) {
 261                 final OutputColumn column = new OutputColumn();
 262                 column.name = output.nameLabel.getText();
 263                 outputColumns.add(column);
 264             }
 265         }
 266         return outputColumns;
 267     }
 268
 269     private class Output {
 270         String name;
 271         Button enabledButton;
 272         Text nameLabel;
 273         Button upButton;
 274         Button downButton;
 275
 276         public Output(final Composite parent, final String name) {
 277             this.name = name;
 278
 279             enabledButton = new Button(parent, SWT.CHECK);
 280             enabledButton.setToolTipText(Messages.CustomXmlParserOutputWizardPage_visible);
 281             enabledButton.setSelection(true);
 282             enabledButton.addSelectionListener(new SelectionAdapter() {
 283                 @Override
 284                 public void widgetSelected(final SelectionEvent e) {
 285                     updatePreviewTable();
 286                 }
 287             });
 288             //            if (messageOutput != null) {
 289             //                enabledButton.moveAbove(messageOutput.enabledButton);
 290             //            }
 291
 292             nameLabel = new Text(parent, SWT.BORDER | SWT.READ_ONLY | SWT.SINGLE);
 293             nameLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
 294             nameLabel.setText(name);
 295             nameLabel.moveBelow(enabledButton);
 296
 297             upButton = new Button(parent, SWT.PUSH);
 298             upButton.setImage(upImage);
 299             upButton.setToolTipText(Messages.CustomXmlParserOutputWizardPage_moveBefore);
 300             upButton.addSelectionListener(new SelectionAdapter() {
 301                 @Override
 302                 public void widgetSelected(final SelectionEvent e) {
 303                     moveBefore(Output.this);
 304                 }
 305             });
 306             upButton.moveBelow(nameLabel);
 307
 308             downButton = new Button(parent, SWT.PUSH);
 309             downButton.setImage(downImage);
 310             downButton.setToolTipText(Messages.CustomXmlParserOutputWizardPage_moveAfter);
 311             downButton.addSelectionListener(new SelectionAdapter() {
 312                 @Override
 313                 public void widgetSelected(final SelectionEvent e) {
 314                     moveAfter(Output.this);
 315                 }
 316             });
 317             downButton.moveBelow(upButton);
 318         }
 319
 320         private void dispose() {
 321             enabledButton.dispose();
 322             nameLabel.dispose();
 323             upButton.dispose();
 324             downButton.dispose();
 325         }
 326     }
 327
 328     /**
 329      * Get the trace definition.
 330      *
 331      * @return The trace definition
 332      */
 333     public CustomXmlTraceDefinition getDefinition() {
 334         return definition;
 335     }
 336
 337 }