Java Code Examples for org.eclipse.jface.viewers.CheckboxTableViewer#setCheckStateProvider()

protected PathsProvider(TableViewer viewer, FindbugsPropertyPage propertyPage) {
    this.propertyPage = propertyPage;
    this.paths = new ArrayList<>();
    this.viewer = viewer;
    if (viewer instanceof CheckboxTableViewer) {
        CheckboxTableViewer tv = (CheckboxTableViewer) viewer;
        tv.setCheckStateProvider(this);
        tv.addCheckStateListener(new ICheckStateListener() {
            @Override
            public void checkStateChanged(CheckStateChangedEvent event) {
                boolean checked = event.getChecked();
                IPathElement element = (IPathElement) event.getElement();
                element.setEnabled(checked);
                handleContendChanged();
            }
        });
    }
    this.control = viewer.getTable();
    listeners = new ListenerList();
    viewer.setContentProvider(this);
}
 

@Override
protected TableViewer createTableViewer() {
    final CheckboxTableViewer viewer = CheckboxTableViewer.newCheckList(this, SWT.MULTI | SWT.H_SCROLL
        | SWT.V_SCROLL | SWT.BORDER);
    viewer.setCheckStateProvider(checkStateProvider);
    viewer.addCheckStateListener(new ICheckStateListener() {
        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            if (((ManifestItem) event.getElement()).isBuiltIn()) {
                viewer.setChecked(event.getElement(), !event.getChecked());
            } else {
                ((ManifestItem) event.getElement()).setOptional(!event.getChecked());
                fireDependenciesChangedListener();
            }
        }
    });
    return viewer;
}
 

/**
 * Adds the default and additional columns to the provided
 * <code>TableViewer</code>. This should only be invoked on
 * CheckboxTableViewers.
 */
@Override
protected void addTableViewerColumns(TableViewer tableViewer) {
	if (tableViewer != null) {
		TableColumn column;
		ICellContentProvider contentProvider;

		// // ---- Create the placeholder CheckBox column. ---- //
		checkColumn = new TableViewerColumn(tableViewer, SWT.LEFT);
		column = checkColumn.getColumn();
		column.setText("Enabled");
		column.setToolTipText("If checked, the parameter will be written "
				+ "to the input file.\n" + "If unchecked, the parameter "
				+ "will be commented out in the input file.");
		column.setResizable(true);

		// Create the check state manager. It also functions as the cell
		// content provider for the first column.
		TableCheckStateManager checkStateManager = new TableCheckStateManager(
				tableViewer) {
			@Override
			public boolean setValue(Object element, Object value) {
				boolean changed = super.setValue(element, value);
				// If the value changed, mark the associated ICEFormEditor
				// as dirty.
				if (changed && getFormEditor() != null) {
					getFormEditor().setDirty(true);
				}
				return changed;
			}
		};

		// Create a MOOSECheckStateProvider which sets the FormEditor as
		// dirty when the checkbox's value is changed.
		contentProvider = checkStateManager;

		// Add a blank label provider. Nothing should appear in the first
		// column except for the checkboxes.
		checkColumn.setLabelProvider(
				new CellColumnLabelProvider(contentProvider));

		// Set the content provider and listener for the CheckBox column
		CheckboxTableViewer checkedTableViewer = (CheckboxTableViewer) tableViewer;
		checkedTableViewer.setCheckStateProvider(checkStateManager);
		checkedTableViewer.addCheckStateListener(checkStateManager);

		// Create the default columns.
		super.addTableViewerColumns(tableViewer);

		// ---- Create the description/comments column. ---- //
		descriptionColumn = new TableViewerColumn(tableViewer, SWT.LEFT);
		column = descriptionColumn.getColumn();
		column.setText("Comments");
		column.setToolTipText("Comments about the property. These are "
				+ "stored as comments in the input file.");
		column.setResizable(true);
		// Create an ICellContentProvider for a column that shows the
		// descriptions of Entries. Then hook it up as a label provider and
		// for editing support.
		contentProvider = new DescriptionCellContentProvider() {
			@Override
			public boolean setValue(Object element, Object value) {
				boolean changed = super.setValue(element, value);
				// If the value changed, mark the associated ICEFormEditor
				// as dirty.
				if (changed && getFormEditor() != null) {
					getFormEditor().setDirty(true);
				}
				return changed;
			}
		};
		descriptionColumn.setLabelProvider(
				new CellColumnLabelProvider(contentProvider));
		descriptionColumn.setEditingSupport(
				new TextCellEditingSupport(tableViewer, contentProvider));
		// ------------------------------------------------- //
	}

	return;
}