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

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