/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.e4.ui.actions;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
import org.eclipse.jface.viewers.StructuredSelection;
import org.whole.lang.bindings.IBindingManager;
import org.whole.lang.model.IEntity;
import org.whole.lang.ui.editparts.IEntityPart;
import org.whole.lang.ui.editparts.ITextualEntityPart;
import org.whole.lang.ui.tools.Tools;
import org.whole.lang.ui.viewers.IEntityPartViewer;
/**
* @author Enrico Persiani
*/
public class ActivateToolAction extends AbstractE4Action {
private final Tools tool;
public ActivateToolAction(IEclipseContext context, Tools tool) {
super(context);
this.tool = tool;
}
@Override
public void update() {
setEnabled(false);
ESelectionService selectionService = getContext().get(ESelectionService.class);
if (selectionService.getSelection() instanceof IBindingManager) {
IBindingManager bm = (IBindingManager) selectionService.getSelection();
if (bm.wIsSet("viewer"))
setEnabled(!tool.isActive((IEntityPartViewer) bm.wGetValue("viewer")));
}
}
@Override
public void run() {
ESelectionService selectionService = getContext().get(ESelectionService.class);
IBindingManager bm = (IBindingManager) selectionService.getSelection();
IEntityPartViewer viewer = (IEntityPartViewer) bm.wGetValue("viewer");
boolean clearCaret = Tools.TEXTUAL != tool && Tools.TEXTUAL.isActive(viewer);
if (tool.ensureActive(viewer) && clearCaret) {
IEntity focusEntity = bm.wGet("focusEntity");
IEntityPart focusPart = viewer.getEditPartRegistry().get(focusEntity);
if (focusPart instanceof ITextualEntityPart) {
ITextualEntityPart textualPart = (ITextualEntityPart) focusPart;
textualPart.setCaretVisible(false);
viewer.setSelection(new StructuredSelection(textualPart));
}
}
}
}