Example usage for org.eclipse.jface.viewers ColumnViewer getColumnViewerEditor

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ColumnViewer getColumnViewerEditor.

Prototype

public ColumnViewerEditor getColumnViewerEditor() 

Source Link

Usage

From source file:com.rcpcompany.uibindings.internal.utils.UIHandlerUtils.java

License:Open Source License

/**
 * Moves the specified element in the viewer of the binding.
 * /*from ww w .ja  va  2  s  .  co m*/
 * @param vb the viewer binding
 * @param element the element to move
 * @param delta the amount to move
 * @param testOnly <code>true</code> if the move should only be tested for, but not performed
 * @return <code>true</code> if the element could be moved
 */
public static boolean moveElement(IViewerBinding vb, EObject element, int delta, boolean testOnly) {
    if (Activator.getDefault().TRACE_NAVIGATION_VIEWER) {
        LogUtils.debug(vb, "delta=" + delta + ", testOnly=" + testOnly + ", element=" + element);
    }

    Assert.isNotNull(vb);
    if (element == null)
        return false;

    final ColumnViewer viewer = vb.getViewer();
    /*
     * Don't move if there are any sorter or filters installed as these negates the visual
     * effect.
     */
    if (viewer.getComparator() != null || viewer.getFilters().length > 0)
        return false;

    // The list of objects
    final IObservableList list = vb.getList();

    // Old position
    final int oldPosition = list.indexOf(element);
    if (oldPosition == -1)
        return false;

    // New position
    int newPosition = oldPosition + delta;
    if (newPosition < 0) {
        newPosition = 0;
    }
    if (newPosition >= list.size()) {
        newPosition = list.size() - 1;
    }

    // Can not be moved?
    if (oldPosition == newPosition)
        return false;

    // Move it
    if (!testOnly) {
        final ColumnViewerEditor editor = viewer.getColumnViewerEditor();
        final ViewerCell oldFocusCell = editor.getFocusCell();

        list.move(newPosition, oldPosition);

        vb.setFocus(oldFocusCell.getColumnIndex(), element);
        // ((Table) viewer.getControl()).setSelection(newPosition);
    }
    return true;
}

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From source file:com.rcpcompany.uibindings.internal.ViewerBindingImpl.java

License:Open Source License

@Override
public void updateSourceProviderState(ISourceProviderStateContext context) {
    final ColumnViewer viewer = getViewer();

    context.putSourceValue(Constants.SOURCES_ACTIVE_CONTAINER_BINDING, this);
    context.putSourceValue(Constants.SOURCES_ACTIVE_CONTAINER_BINDING_NO_CAF,
            (viewer.getComparator() == null && viewer.getFilters().length == 0));

    context.putSourceValue(Constants.SOURCES_ACTIVE_VIEWER_ELEMENT_TYPE, getModelType());

    EObject element = null;/*from   ww w . j av  a2 s.c  o m*/
    int columnIndex = -1;
    ContainerCellType type = null;

    ViewerCell cell;
    /*
     * If no specific position is specified in the event (x,y) = (0,0), then try using the
     * current focus cell. This is needed when navigating in the table.
     * 
     * Also do this if the widget of the event is not this viewers control. That happens when
     * extra widgets are mapped to this binding with IBinding.registerWidget()
     */
    final Event event = context.getEvent();
    final Point point = context.getLocation();
    if (event.x == 0 && event.y == 0 || event.widget != getControl()) {
        cell = viewer.getColumnViewerEditor().getFocusCell();
    } else {
        cell = viewer.getCell(point);
    }
    if (cell != null) {
        element = (EObject) cell.getElement();
        columnIndex = cell.getColumnIndex();
        type = ContainerCellType.DATA;
    } else {
        final Control c = viewer.getControl();
        if (c instanceof Table) {
            final Table t = (Table) c;
            final TableItem item = t.getItem(point);
            if (item != null) {
                element = (EObject) item.getData();
                type = ContainerCellType.ROW_TRAILER;
            } else {
                /*
                 * Below or above the table?
                 */
                if (point.y < 0) {
                    type = ContainerCellType.COLUMN_HEADER;
                } else {
                    type = ContainerCellType.COLUMN_TRAILER;
                }
            }
        }
        if (c instanceof Tree) {
            final Tree t = (Tree) c;
            final TreeItem item = t.getItem(point);
            if (item != null) {
                element = (EObject) item.getData();
                type = ContainerCellType.ROW_TRAILER;
            } else {
                /*
                 * Below or above the tree?
                 */
                if (point.y < 0) {
                    type = ContainerCellType.COLUMN_HEADER;
                } else {
                    type = ContainerCellType.COLUMN_TRAILER;
                }
            }
        }
    }

    if (type != null) {
        context.putSourceValue(Constants.SOURCES_ACTIVE_CONTAINER_CELL_TYPE, type.toString());
    }
    if (element != null) {
        context.putSourceValue(Constants.SOURCES_ACTIVE_VIEWER_ELEMENT, element);
        context.putSourceValue(Constants.SOURCES_ACTIVE_VIEWER_ELEMENT_MOVE_UP,
                UIHandlerUtils.moveElement(this, element, -1, true));
        context.putSourceValue(Constants.SOURCES_ACTIVE_VIEWER_ELEMENT_MOVE_DOWN,
                UIHandlerUtils.moveElement(this, element, 1, true));
    }

    if (columnIndex >= getFirstTableColumnOffset() && element != null) {
        final IColumnBindingCellInformation ci = getCell(columnIndex - getFirstTableColumnOffset(), element);
        final IObservableValue objectValue = ci.getObjectValue();
        final Object value = objectValue.getValue();

        final IValueBinding labelBinding = ci.getLabelBinding();
        context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING, labelBinding);
        context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_RO, !ci.isChangeable());
        context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_VALUE, value);
        context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_TYPE, ""); //$NON-NLS-1$
        if (labelBinding != null) {
            context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_MODEL_OBJECT,
                    labelBinding.getModelObject());
            context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_FEATURE, labelBinding.getModelFeature());
            context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_UNSETTABLE,
                    labelBinding.getDataType().isUnsettable());
            context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_IS_SET, isSet(labelBinding));
        }
        context.putSourceValue(Constants.SOURCES_ACTIVE_BINDING_VALUE_DISPLAY, ci.getDisplayText());

        context.addObservedValue(ci.getLabelUIAttribute().getCurrentValue());
    }

    context.setSelectionProvider(getViewer());
}

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From source file:org.robotframework.ide.eclipse.main.plugin.project.editor.libraries.ReferencedLibrariesEditingSupportTest.java

License:Apache License

@Test
public void properCellEditorIsProvided() {
    final ColumnViewer viewer = mock(ColumnViewer.class);
    when(viewer.getControl()).thenReturn(shellProvider.getShell());
    when(viewer.getColumnViewerEditor()).thenReturn(mock(ColumnViewerEditor.class));

    final ReferencedLibrariesEditingSupport support = new ReferencedLibrariesEditingSupport(viewer, null, null);

    assertThat(support.getCellEditor(new ReferencedLibrary())).isNull();
    assertThat(support.getCellEditor(new Object())).isNull();
    assertThat(support.getCellEditor(new RemoteLocation()))
            .isInstanceOf(ActivationCharPreservingTextCellEditor.class);
}

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