Example usage for org.eclipse.jface.viewers ViewerCell getControl

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ViewerCell getControl.

Prototype

public Control getControl() 

Source Link

Document

Get the control for this cell.

Usage

From source file:gov.redhawk.sca.internal.ui.wizards.ValueColumnLabelProvider.java

License:Open Source License

@Override
public void update(final ViewerCell cell) {
    final Object element = cell.getElement();
    if (element instanceof Simple) {
        final Simple simple = (Simple) element;
        final SimpleRef ref = Util.getRef(simple, getComponentInstantiation());
        final DataType override = getOverride(simple.getId());
        if (override == null) {
            cell.setForeground(getDefaultColor(cell.getControl()));
            if (ref == null) {
                if (simple.getValue() != null) {
                    cell.setText(getText(simple.getEnumerations(), simple.getValue()));
                } else {
                    cell.setText("");
                }//from   w w w  .  j a  va 2 s. co m
            } else {
                cell.setText(ref.getValue());
            }
        } else {
            cell.setText(AnyUtils.convertAny(override.value).toString());
            cell.setForeground(null);
        }
        Image image = null;
        if (PropertiesUtil.canOverride(simple)) {
            image = getImage(element);
        }
        cell.setImage(image);
    } else if (element instanceof SimpleSequence) {
        final SimpleSequence simple = (SimpleSequence) element;
        final SimpleSequenceRef ref = Util.getRef(simple, getComponentInstantiation());
        final DataType override = getOverride(simple.getId());
        if (override == null) {
            cell.setForeground(getDefaultColor(cell.getControl()));
            if (ref == null) {
                if (simple.getValues() != null) {
                    cell.setText(Arrays.toString(simple.getValues().getValue().toArray()));
                } else {
                    cell.setText("");
                }
            } else {
                cell.setText(Arrays.toString(ref.getValues().getValue().toArray()));
            }
        } else {
            cell.setText(
                    Arrays.toString((Object[]) AnyUtils.convertAny(override.value, override.value.type())));
            cell.setForeground(null);
        }
        Image image = null;
        if (PropertiesUtil.canOverride(simple)) {
            image = getImage(element);
        }
        cell.setImage(image);
    }

}

---

From source file:hydrograph.ui.propertywindow.widgets.customwidgets.mapping.tables.inputtable.InputFieldColumnLabelProvider.java

License:Apache License

@Override
public void update(ViewerCell cell) {
    TableItem item = (TableItem) cell.getItem();

    Pattern pattern = Pattern.compile("^[a-zA-Z0-9 _]*$");

    if (!pattern.matcher(((InputField) cell.getElement()).getFieldName()).matches()) {
        item.setBackground(cell.getControl().getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
        item.setForeground(cell.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
        ((InputField) cell.getElement()).getErrorObject()
                .setErrorMessage("Input field should match regular expression- \"^[a-zA-Z0-9_]*$\" ");
        ((InputField) cell.getElement()).getErrorObject().setHasError(true);
    } else {//from   www.j av a  2s  . c o m

        if (((InputField) cell.getElement()).getFieldName().trim().equalsIgnoreCase("")) {
            item.setBackground(cell.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
            ((InputField) cell.getElement()).getErrorObject()
                    .setErrorMessage("Input field should not be empty");
            ((InputField) cell.getElement()).getErrorObject().setHasError(true);
        } else {
            ((InputField) cell.getElement()).getErrorObject().setHasError(false);
        }

    }
    super.update(cell);
}

---

From source file:net.certiv.fluentmark.tables.FocusBorderCellHighlighter.java

License:Open Source License

@Override
protected void focusCellChanged(ViewerCell newCell, ViewerCell oldCell) {
    super.focusCellChanged(newCell, oldCell);

    // Redraw new area
    if (newCell != null) {
        Rectangle rect = newCell.getBounds();
        int x = newCell.getColumnIndex() == 0 ? 0 : rect.x;
        int width = newCell.getColumnIndex() == 0 ? rect.x + rect.width : rect.width;
        // 1 is a fix for Linux-GTK
        newCell.getControl().redraw(x, rect.y - 1, width, rect.height + 1, true);
    }/*  www . j  ava  2s . co m*/

    if (oldCell != null) {
        Rectangle rect = oldCell.getBounds();
        int x = oldCell.getColumnIndex() == 0 ? 0 : rect.x;
        int width = oldCell.getColumnIndex() == 0 ? rect.x + rect.width : rect.width;
        // 1 is a fix for Linux-GTK
        oldCell.getControl().redraw(x, rect.y - 1, width, rect.height + 1, true);
    }
}

---

From source file:org.csstudio.alarm.beast.ui.alarmtable.AlarmTableLabelProvider.java

License:Open Source License

/** Update one cell of the table */
@Override//from   w  w  w  .  j  a v a 2  s  .c  o  m
public void update(final ViewerCell cell) {
    // AlarmTableProvider should always provide "AlarmTreePV" elements
    final AlarmTreePV alarm = (AlarmTreePV) cell.getElement();

    // Special handling of 'info' entry that has no parent
    switch (column) {
    case ACK:
        cell.setImage(
                alarm.getSeverity().isActive() ? CheckBoxImages.getInstance(cell.getControl()).getImage(false)
                        : CheckBoxImages.getInstance(cell.getControl()).getImage(true));
        break;
    case ICON:
        cell.setImage(icon_provider.getIcon(alarm));
        break;
    case PV:
        cell.setText(alarm.getName());
        break;
    case DESCRIPTION: {
        final String annunciation = AnnunciationFormatter.format(alarm.getDescription(),
                alarm.getSeverity().getDisplayName(), alarm.getValue(), true);
        cell.setText(annunciation);
    }

        break;
    case TIME:
        cell.setText(formatter == null ? alarm.getTimestampText()
                : (alarm.getTimestamp() == null ? ""
                        : formatter.format(
                                ZonedDateTime.ofInstant(alarm.getTimestamp(), ZoneId.systemDefault()))));
        break;
    case CURRENT_SEVERITY:
        if (alarm.getParent() == null)
            return;
        cell.setText(alarm.getCurrentSeverity().getDisplayName());
        cell.setBackground(color_provider.getColor(alarm.getCurrentSeverity()));
        break;
    case CURRENT_STATUS:
        if (alarm.getParent() == null)
            return;
        cell.setText(alarm.getCurrentMessage());
        break;
    case SEVERITY:
        if (alarm.getParent() == null)
            return;
        cell.setText(alarm.getSeverity().getDisplayName());
        cell.setBackground(color_provider.getColor(alarm.getSeverity()));
        break;
    case STATUS:
        if (alarm.getParent() == null)
            return;
        cell.setText(alarm.getMessage());
        break;
    case VALUE:
        if (alarm.getParent() == null)
            return;
        cell.setText(alarm.getValue());
        break;
    case ACTION:
        GDCDataStructure[] guidance = alarm.getGuidance();
        if (guidance.length != 0) {
            cell.setText(guidance[0].getDetails());
        }
        break;
    case ID:
        GDCDataStructure[] guidances = alarm.getGuidance();
        if (guidances.length != 0) {
            cell.setText(guidances[0].getTitle());
        }
        break;
    default:
        break;
    }

    if (column == ColumnInfo.ICON)
        return;

    // If enabled, the background color will reflect the severity of the alarm (when in alarm state).
    // If reverse_colors is also enabled, the background/text colors for unacknowledged cleared alarms will be reversed.
    if (!background_color_alarm_sensitive)
        return;

    final SeverityLevel severity = alarm.getSeverity();
    if (severity == SeverityLevel.OK) {
        // if OK, use default colors
        cell.setBackground(null);
        cell.setForeground(null);
        return;
    }

    final SeverityLevel current_severity = alarm.getCurrentSeverity();
    final Color severity_color = color_provider.getColor(severity);
    final Color color_pair = color_pair_provider == null ? null : color_pair_provider.getColor(severity);

    Color bg_color = severity_color, fg_color = color_pair;

    if (reverse_colors && current_severity == SeverityLevel.OK) {
        // the alarm is currently cleared (recovered), and color reversal is enabled
        bg_color = color_pair;
        fg_color = severity_color;
    }

    cell.setBackground(bg_color);
    cell.setForeground(fg_color);
}

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From source file:org.csstudio.display.rdbtable.ui.RDBTableRowLabelProvider.java

License:Open Source License

/** @param cell Cell in table that we need to update with info from
 *              the RDBTableRow/*from w  w w . ja  v a 2 s  .  c o  m*/
 */
@Override
public void update(final ViewerCell cell) {
    final RDBTableRow row = (RDBTableRow) cell.getElement();
    // Display text of corresponding RDBTable column
    cell.setText(row.getColumn(cell.getColumnIndex()));
    // Highlight changed or deleted cells
    final Display display = cell.getControl().getDisplay();
    if (row.wasDeleted())
        cell.setBackground(display.getSystemColor(SWT.COLOR_GRAY));
    else if (row.wasModified())
        cell.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
    else
        cell.setBackground(null);
}

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From source file:org.csstudio.scan.ui.scantree.gui.CommandTreeLabelProvider.java

License:Open Source License

/** {@inheritDoc} */
@Override/*from  w  w  w .j  a  v  a2 s  .  co m*/
public void update(final ViewerCell cell) {
    final ScanCommand command = (ScanCommand) cell.getElement();
    cell.setText(getText(command));
    cell.setImage(getImage(command));

    // highlight the currently active command
    if (active_command.get() == command)
        cell.setForeground(cell.getControl().getDisplay().getSystemColor(SWT.COLOR_GREEN));
    else
        cell.setForeground(null);
}

---

From source file:org.csstudio.trends.databrowser2.sampleview.SampleView.java

License:Open Source License

/** {@inheritDoc} */
@Override//from www  . j  a v  a 2  s.c om
protected void doCreatePartControl(final Composite parent) {
    final GridLayout layout = new GridLayout(3, false);
    parent.setLayout(layout);

    // Item: pvs [Refresh]
    Label l = new Label(parent, 0);
    l.setText(Messages.SampleView_Item);
    l.setLayoutData(new GridData());

    items = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY);
    items.setLayoutData(new GridData(SWT.FILL, 0, true, false));
    items.addSelectionListener(new SelectionListener() {
        @Override
        public void widgetSelected(final SelectionEvent e) {
            widgetDefaultSelected(e);
        }

        @Override
        public void widgetDefaultSelected(final SelectionEvent e) { // Configure table to display samples of the selected model item
            if (items.getSelectionIndex() == 0) {
                sample_table.setInput(null);
                return;
            }
            final int selected = items.getSelectionIndex() - 1; /// Skip initial "Select item" entry
            int index = 0;
            for (ModelItem item : model.getItems()) {
                if (index == selected) {
                    sample_table.setInput(item);
                    return;
                }
                ++index;
            }
            Activator.getLogger().log(Level.WARNING, "Invalid item index " + selected);
        }
    });

    final Button refresh = new Button(parent, SWT.PUSH);
    refresh.setText(Messages.SampleView_Refresh);
    refresh.setToolTipText(Messages.SampleView_RefreshTT);
    refresh.setLayoutData(new GridData());
    refresh.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(final SelectionEvent e) { // Trigger GUI update
            update(false);
        }
    });

    // Sample Table
    // TableColumnLayout requires this to be in its own container
    final Composite table_parent = new Composite(parent, 0);
    table_parent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, layout.numColumns, 1));
    final TableColumnLayout table_layout = new MinSizeTableColumnLayout(10);
    table_parent.setLayout(table_layout);

    sample_table = new TableViewer(table_parent,
            SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION | SWT.VIRTUAL);
    sample_table.setContentProvider(new SampleTableContentProvider());
    final Table table = sample_table.getTable();
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    // Time column
    TableViewerColumn col = TableHelper.createColumn(table_layout, sample_table, Messages.TimeColumn, 90, 100);
    col.setLabelProvider(new CellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {
            final PlotSample sample = (PlotSample) cell.getElement();
            cell.setText(TimestampHelper.format(sample.getPosition()));
        }
    });
    // Value column
    col = TableHelper.createColumn(table_layout, sample_table, Messages.ValueColumn, 50, 100);
    col.setLabelProvider(new CellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {
            final PlotSample sample = (PlotSample) cell.getElement();
            cell.setText(format.format(sample.getVType()));
        }

        @Override
        public String getToolTipText(Object element) {
            final PlotSample sample = (PlotSample) element;
            final VType value = sample.getVType();
            // Show numbers in their 'natural' format which may differ from the Display settings
            if (value instanceof VStatistics) {
                final VStatistics mmd = (VStatistics) value;
                return NLS.bind(Messages.SampleView_MinMaxValueTT,
                        new String[] { Double.toString(mmd.getAverage()), Double.toString(mmd.getMin()),
                                Double.toString(mmd.getMax()) });
            } else if (value instanceof VNumber) {
                final VNumber dbl = (VNumber) value;
                return Double.toString(dbl.getValue().doubleValue());
            } else
                return VTypeHelper.toString(value);
        }
    });
    // Severity column
    col = TableHelper.createColumn(table_layout, sample_table, Messages.SeverityColumn, 90, 50);
    col.setLabelProvider(new CellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {
            final PlotSample sample = (PlotSample) cell.getElement();
            final VType value = sample.getVType();
            final AlarmSeverity severity = VTypeHelper.getSeverity(value);
            cell.setText(severity.toString());
            if (severity == AlarmSeverity.NONE) {
                cell.setBackground(null);
                return;
            }
            final Display display = cell.getControl().getDisplay();
            if (severity == AlarmSeverity.MAJOR)
                cell.setBackground(display.getSystemColor(SWT.COLOR_RED));
            else if (severity == AlarmSeverity.MINOR)
                cell.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
            else
                cell.setBackground(display.getSystemColor(SWT.COLOR_GRAY));
        }
    });
    // Status column
    col = TableHelper.createColumn(table_layout, sample_table, Messages.StatusColumn, 90, 50);
    col.setLabelProvider(new CellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {
            final PlotSample sample = (PlotSample) cell.getElement();
            final VType value = sample.getVType();
            cell.setText(VTypeHelper.getMessage(value));
        }
    });
    // Sample Source column
    col = TableHelper.createColumn(table_layout, sample_table, Messages.SampleView_Source, 90, 10);
    col.setLabelProvider(new CellLabelProvider() {
        @Override
        public void update(final ViewerCell cell) {
            final PlotSample sample = (PlotSample) cell.getElement();
            cell.setText(sample.getSource());
        }
    });
    ColumnViewerToolTipSupport.enableFor(sample_table);

    // Be ignorant of any change of the current model after this view
    // is disposed.
    parent.addDisposeListener(new DisposeListener() {
        @Override
        public void widgetDisposed(DisposeEvent e) {
            if (model != null)
                model.removeListener(model_listener);
        }
    });
}

---

From source file:org.eclipse.andmore.android.emulator.core.emulationui.AbstractEmuLabelProvider.java

License:Apache License

/**
 * @see org.eclipse.jface.viewers.CellLabelProvider#update(org.eclipse.jface.viewers.ViewerCell)
 *//* w w w  . j  av  a 2  s . c o m*/
@Override
public void update(ViewerCell cell) {
    // The instance column index is set with the current cell column index,
    // as the logic
    // contained in this class depends on this information. Then after the
    // cell is
    // updated according to the standard procedure, the column index field
    // is reset so that
    // it does not interfere with subsequent updates.
    columnIndex = cell.getColumnIndex();
    super.update(cell);
    columnIndex = firstColumnIndex;

    // Checks if the cell needs to be highlighted. This will be true if the
    // values of
    // alternativeColorHost and alternativeColorBeanId are different from
    // null and -1
    if ((alternativeColorHost != null) && (alternativeColorBeanId != -1)) {

        Object element = cell.getElement();
        // Only leaf nodes can be highlighted
        if (element instanceof EmuViewerLeafNode) {
            // The next lines are used to check if the current element is
            // the one to be
            // highlighted. For that, the host and bean id needs to be
            // compared to the
            // alternativeColorHost and alternativeColorBeanId instance
            // field values
            EmuViewerLeafNode node = (EmuViewerLeafNode) element;
            long beanId = node.getBeanId();
            EmuViewerRootNode root = (EmuViewerRootNode) node.getParent().getParent();
            String host = root.getEmulatorIdentifier();

            if ((beanId == alternativeColorBeanId) && (host.equals(alternativeColorHost))) {
                // Highlighting the node

                cell.setBackground(alternativeColor);

                // Putting the node at the visible part of the tree

                ViewerRow highlightedRow = cell.getViewerRow();
                TreeItem highlightedItem = (TreeItem) highlightedRow.getItem();
                Tree tree = (Tree) cell.getControl();
                tree.showItem(highlightedItem);
            }
        }

    }
}

---

From source file:org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.AbstractIconDialog.java

License:Open Source License

@Override
protected Control createDialogArea(Composite parent) {
    Composite comp = (Composite) super.createDialogArea(parent);

    getShell().setText(getShellTitle());
    setTitle(getDialogTitle());/*from w w  w. j  a va2 s  . c o  m*/
    setMessage(getDialogMessage());

    Composite container = new Composite(comp, SWT.NONE);
    container.setLayoutData(new GridData(GridData.FILL_BOTH));
    container.setLayout(new GridLayout(2, false));

    Label l = new Label(container, SWT.NONE);
    l.setText(Messages.AbstractIconDialog_IconName);

    final Text t = new Text(container, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH);
    t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    new Label(container, SWT.NONE);

    viewer = new TableViewer(container);
    GridData gd = new GridData(GridData.FILL_BOTH);
    viewer.getControl().setLayoutData(gd);
    viewer.setContentProvider(new ObservableListContentProvider());
    viewer.setLabelProvider(new StyledCellLabelProvider() {
        @Override
        public void update(ViewerCell cell) {
            IFile file = (IFile) cell.getElement();
            StyledString styledString = new StyledString(file.getProjectRelativePath().toString(), null);

            Image img = icons.get(file);
            if (img == null) {
                InputStream in = null;
                try {
                    in = file.getContents();
                    img = new Image(cell.getControl().getDisplay(), in);
                    icons.put(file, img);
                } catch (CoreException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                } finally {
                    if (in != null) {
                        try {
                            in.close();
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }
                }
            }

            String bundle = getBundle(file);
            if (bundle != null) {
                styledString.append(" - " + bundle, StyledString.DECORATIONS_STYLER); //$NON-NLS-1$   
            }

            cell.setImage(img);
            cell.setText(styledString.getString());
            cell.setStyleRanges(styledString.getStyleRanges());
        }
    });

    final WritableList list = new WritableList();
    viewer.setInput(list);
    viewer.addDoubleClickListener(new IDoubleClickListener() {

        public void doubleClick(DoubleClickEvent event) {
            okPressed();
        }
    });

    t.addModifyListener(new ModifyListener() {
        private IconMatchCallback callback;
        private Timer timer = new Timer(true);
        private TimerTask task;

        public void modifyText(ModifyEvent e) {
            if (callback != null) {
                callback.cancel = true;
            }
            if (task != null) {
                task.cancel();
            }
            list.clear();

            clearImages();

            callback = new IconMatchCallback(list);
            task = new SearchThread(callback, t.getText(), project);
            timer.schedule(task, 500);
        }
    });

    getShell().addDisposeListener(new DisposeListener() {

        public void widgetDisposed(DisposeEvent e) {
            clearImages();
        }
    });

    return comp;
}

---

From source file:org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.AbstractIconDialogWithHardcodedScope.java

License:Open Source License

@Override
protected Control createDialogArea(Composite parent) {
    Composite comp = (Composite) super.createDialogArea(parent);

    getShell().setText(getShellTitle());
    setTitle(getDialogTitle());//from   ww  w  . j  a  v  a  2 s.c  o  m
    setMessage(getDialogMessage());
    String bundleFilter = (String) context.get("bundle");
    if (E.notEmpty(bundleFilter)) {
        setMessage("Filtering by bundle " + bundleFilter); //$NON-NLS-1$
    }

    Composite container = new Composite(comp, SWT.NONE);
    container.setLayoutData(new GridData(GridData.FILL_BOTH));
    container.setLayout(new GridLayout(2, false));

    Composite compOptions = new Composite(container, SWT.NONE);
    compOptions.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    compOptions.setLayout(new RowLayout());

    if (E.isEmpty(bundleFilter)) {
        Button btnProject = new Button(compOptions, SWT.RADIO);
        btnProject.setText("Project");
        btnProject.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                searchScope = ResourceSearchScope.PROJECT;
                textSearch.notifyListeners(SWT.Modify, new Event());

            }
        });
        btnProject.setSelection(true);

        Button btnWorkspace = new Button(compOptions, SWT.RADIO);
        btnWorkspace.setText("Workspace");
        btnWorkspace.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                searchScope = ResourceSearchScope.WORKSPACE;
                textSearch.notifyListeners(SWT.Modify, new Event());
            }
        });

        btnWorkspace.setSelection(searchScope == ResourceSearchScope.WORKSPACE);
        btnProject.setSelection(searchScope == ResourceSearchScope.PROJECT);
    } else {
        searchScope = ResourceSearchScope.WORKSPACE;
    }

    Label l = new Label(container, SWT.NONE);
    l.setText(Messages.AbstractIconDialog_IconName);

    textSearch = new Text(container, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH);
    textSearch.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    new Label(container, SWT.NONE);

    viewer = new TableViewer(container, SWT.FULL_SELECTION | SWT.BORDER);
    GridData gd = new GridData(GridData.FILL_BOTH);
    viewer.getControl().setLayoutData(gd);
    viewer.setContentProvider(new ObservableListContentProvider());
    viewer.setLabelProvider(new StyledCellLabelProvider() {
        @Override
        public void update(ViewerCell cell) {
            IFile file = (IFile) cell.getElement();
            StyledString styledString = new StyledString(file.getProjectRelativePath().toString(), null);

            Image img = icons.get(file);
            if (img == null) {
                InputStream in = null;
                try {
                    in = file.getContents();
                    img = new Image(cell.getControl().getDisplay(), in);
                    icons.put(file, img);
                } catch (CoreException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                } finally {
                    if (in != null) {
                        try {
                            in.close();
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }
                }
            }

            String bundle = getBundle(file);
            if (bundle != null) {
                styledString.append(" - " + bundle, StyledString.DECORATIONS_STYLER); //$NON-NLS-1$
            }

            cell.setImage(img);
            cell.setText(styledString.getString());
            cell.setStyleRanges(styledString.getStyleRanges());
        }
    });

    final WritableList list = new WritableList();
    viewer.setInput(list);
    viewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(DoubleClickEvent event) {
            okPressed();
        }
    });

    textSearch.addModifyListener(new ModifyListener() {
        private IconMatchCallback callback;
        private Timer timer = new Timer(true);
        private TimerTask task;

        @Override
        public void modifyText(ModifyEvent e) {
            if (callback != null) {
                callback.cancel = true;
            }
            if (task != null) {
                task.cancel();
            }
            list.clear();

            clearImages();

            callback = new IconMatchCallback(list);
            task = new SearchThread(callback, textSearch.getText(), project, context, searchScope);
            timer.schedule(task, 500);
        }
    });

    getShell().addDisposeListener(new DisposeListener() {

        @Override
        public void widgetDisposed(DisposeEvent e) {
            clearImages();
        }
    });

    textSearch.notifyListeners(SWT.Modify, new Event());

    return comp;
}

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