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

   1 package org.eclipse.linuxtools.internal.tmf.ui.parsers.wizards;
   2
   3 import java.io.File;
   4 import java.io.FileWriter;
   5 import java.io.IOException;
   6 import java.util.ArrayList;
   7 import java.util.Iterator;
   8 import java.util.List;
   9
  10 import org.eclipse.jface.wizard.WizardPage;
  11 import org.eclipse.linuxtools.internal.tmf.ui.Messages;
  12 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  13 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomEventsTable;
  14 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomTraceDefinition;
  15 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomTraceDefinition.OutputColumn;
  16 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomXmlTrace;
  17 import org.eclipse.linuxtools.internal.tmf.ui.parsers.custom.CustomXmlTraceDefinition;
  18 import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
  19 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  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 = Activator.getDefault().getImageFromPath("/icons/elcl16/up_button.gif"); //$NON-NLS-1$
  35     private static final Image downImage = Activator.getDefault().getImageFromPath("/icons/elcl16/down_button.gif"); //$NON-NLS-1$
  36     private final CustomXmlParserWizard wizard;
  37     private CustomXmlTraceDefinition definition;
  38     List<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(final 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(final 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         final 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         final 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         setControl(container);
  94
  95     }
  96
  97     @Override
  98     public void dispose() {
  99         previewTable.dispose();
 100         super.dispose();
 101     }
 102
 103     private void loadDefinition(final CustomTraceDefinition definition) {
 104         for (final OutputColumn outputColumn : definition.outputs) {
 105             final Output output = new Output(outputsContainer, outputColumn.name);
 106             outputs.add(output);
 107         }
 108     }
 109
 110     /* (non-Javadoc)
 111      * @see org.eclipse.jface.dialogs.DialogPage#setVisible(boolean)
 112      */
 113     @Override
 114     public void setVisible(final boolean visible) {
 115         if (visible) {
 116             this.definition = wizard.inputPage.getDefinition();
 117             final List<String> outputNames = wizard.inputPage.getInputNames();
 118
 119             // dispose outputs that have been removed in the input page
 120             final Iterator<Output> iter = outputs.iterator();
 121             while (iter.hasNext()) {
 122                 final Output output = iter.next();
 123                 boolean found = false;
 124                 for (final String name : outputNames)
 125                     if (output.name.equals(name)) {
 126                         found = true;
 127                         break;
 128                     }
 129                 if (!found) {
 130                     output.dispose();
 131                     iter.remove();
 132                 }
 133             }
 134
 135             // create outputs that have been added in the input page
 136             for (final String name : outputNames) {
 137                 boolean found = false;
 138                 for (final Output output : outputs)
 139                     if (output.name.equals(name)) {
 140                         found = true;
 141                         break;
 142                     }
 143                 if (!found)
 144                     outputs.add(new Output(outputsContainer, name));
 145             }
 146
 147             outputsContainer.layout();
 148             outputsScrolledComposite.setMinSize(outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y-5);
 149             updatePreviewTable();
 150             if (sash.getSize().y > outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y + previewTable.getTable().getItemHeight())
 151                 sash.setWeights(new int[] {outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y, sash.getSize().y - outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y});
 152             else
 153                 sash.setWeights(new int[] {outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y, previewTable.getTable().getItemHeight()});
 154             setPageComplete(true);
 155         } else
 156             setPageComplete(false);
 157         super.setVisible(visible);
 158     }
 159
 160     private void moveBefore(final Output moved) {
 161         final int i = outputs.indexOf(moved);
 162         if (i > 0) {
 163             final Output previous = outputs.get(i-1);
 164             moved.enabledButton.moveAbove(previous.enabledButton);
 165             moved.nameLabel.moveBelow(moved.enabledButton);
 166             moved.upButton.moveBelow(moved.nameLabel);
 167             moved.downButton.moveBelow(moved.upButton);
 168             outputs.add(i-1, outputs.remove(i));
 169             outputsContainer.layout();
 170             outputsScrolledComposite.setMinSize(outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y-5);
 171             container.layout();
 172             updatePreviewTable();
 173         }
 174     }
 175
 176     private void moveAfter(final Output moved) {
 177         final int i = outputs.indexOf(moved);
 178         if (i+1 < outputs.size()) {
 179             final Output next = outputs.get(i+1);
 180             moved.enabledButton.moveBelow(next.downButton);
 181             moved.nameLabel.moveBelow(moved.enabledButton);
 182             moved.upButton.moveBelow(moved.nameLabel);
 183             moved.downButton.moveBelow(moved.upButton);
 184             outputs.add(i+1, outputs.remove(i));
 185             outputsContainer.layout();
 186             outputsScrolledComposite.setMinSize(outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, outputsContainer.computeSize(SWT.DEFAULT, SWT.DEFAULT).y-5);
 187             container.layout();
 188             updatePreviewTable();
 189         }
 190     }
 191
 192     private void updatePreviewTable() {
 193         final int CACHE_SIZE = 50;
 194         definition.outputs = extractOutputs();
 195
 196         try {
 197             tmpFile = Activator.getDefault().getStateLocation().addTrailingSeparator().append("customwizard.tmp").toFile(); //$NON-NLS-1$
 198             final FileWriter writer = new FileWriter(tmpFile);
 199             writer.write(wizard.inputPage.getInputText());
 200             writer.close();
 201
 202             final ITmfTrace<?> trace = new CustomXmlTrace(null, definition, tmpFile.getAbsolutePath(), CACHE_SIZE);
 203             previewTable.dispose();
 204             previewTable = new CustomEventsTable(definition, tableContainer, CACHE_SIZE);
 205             previewTable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 206             previewTable.setTrace(trace, true);
 207         } catch (final TmfTraceException e) {
 208             Activator.getDefault().logError("Error creating CustomXmlTrace. File:" + tmpFile.getAbsolutePath(), e); //$NON-NLS-1$
 209         } catch (final IOException e) {
 210             Activator.getDefault().logError("Error creating CustomXmlTrace. File:" + tmpFile.getAbsolutePath(), e); //$NON-NLS-1$
 211         }
 212
 213         tableContainer.layout();
 214         container.layout();
 215     }
 216
 217     public List<OutputColumn> extractOutputs() {
 218         int numColumns = 0;
 219         for (int i = 0; i < outputs.size(); i++)
 220             if (outputs.get(i).enabledButton.getSelection())
 221                 numColumns++;
 222         final List<OutputColumn> outputColumns = new ArrayList<OutputColumn>(numColumns);
 223         numColumns = 0;
 224         for (int i = 0; i < outputs.size(); i++) {
 225             final Output output = outputs.get(i);
 226             if (output.enabledButton.getSelection()) {
 227                 final OutputColumn column = new OutputColumn();
 228                 column.name = output.nameLabel.getText();
 229                 outputColumns.add(column);
 230             }
 231         }
 232         return outputColumns;
 233     }
 234
 235     private class Output {
 236         String name;
 237         Button enabledButton;
 238         Text nameLabel;
 239         Button upButton;
 240         Button downButton;
 241
 242         public Output(final Composite parent, final String name) {
 243             this.name = name;
 244
 245             enabledButton = new Button(parent, SWT.CHECK);
 246             enabledButton.setToolTipText(Messages.CustomXmlParserOutputWizardPage_visible);
 247             enabledButton.setSelection(true);
 248             enabledButton.addSelectionListener(new SelectionAdapter() {
 249                 @Override
 250                 public void widgetSelected(final SelectionEvent e) {
 251                     updatePreviewTable();
 252                 }
 253             });
 254             //            if (messageOutput != null) {
 255             //                enabledButton.moveAbove(messageOutput.enabledButton);
 256             //            }
 257
 258             nameLabel = new Text(parent, SWT.BORDER | SWT.READ_ONLY | SWT.SINGLE);
 259             nameLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
 260             nameLabel.setText(name);
 261             nameLabel.moveBelow(enabledButton);
 262
 263             upButton = new Button(parent, SWT.PUSH);
 264             upButton.setImage(upImage);
 265             upButton.setToolTipText(Messages.CustomXmlParserOutputWizardPage_moveBefore);
 266             upButton.addSelectionListener(new SelectionAdapter() {
 267                 @Override
 268                 public void widgetSelected(final SelectionEvent e) {
 269                     moveBefore(Output.this);
 270                 }
 271             });
 272             upButton.moveBelow(nameLabel);
 273
 274             downButton = new Button(parent, SWT.PUSH);
 275             downButton.setImage(downImage);
 276             downButton.setToolTipText(Messages.CustomXmlParserOutputWizardPage_moveAfter);
 277             downButton.addSelectionListener(new SelectionAdapter() {
 278                 @Override
 279                 public void widgetSelected(final SelectionEvent e) {
 280                     moveAfter(Output.this);
 281                 }
 282             });
 283             downButton.moveBelow(upButton);
 284         }
 285
 286         private void dispose() {
 287             enabledButton.dispose();
 288             nameLabel.dispose();
 289             upButton.dispose();
 290             downButton.dispose();
 291         }
 292     }
 293
 294     public CustomXmlTraceDefinition getDefinition() {
 295         return definition;
 296     }
 297
 298 }