| /*=============================================================================# |
| # Copyright (c) 2012, 2020 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.emf.ui.forms; |
| |
| import org.eclipse.core.expressions.EvaluationResult; |
| import org.eclipse.core.expressions.Expression; |
| import org.eclipse.core.expressions.ExpressionInfo; |
| import org.eclipse.core.expressions.IEvaluationContext; |
| import org.eclipse.ui.ISources; |
| |
| |
| public interface IEFPropertyExpressions { |
| |
| |
| String EOBJECT_LIST_ID= "org.eclipse.statet.ecommons.emf.ui.EObjectList"; //$NON-NLS-1$ |
| |
| Expression EOBJECT_LIST_EXPRESSION= new Expression() { |
| |
| @Override |
| public void collectExpressionInfo(final ExpressionInfo info) { |
| info.addVariableNameAccess(ISources.ACTIVE_FOCUS_CONTROL_ID_NAME); |
| } |
| |
| @Override |
| public EvaluationResult evaluate(final IEvaluationContext context) { |
| final Object id= context.getVariable(ISources.ACTIVE_FOCUS_CONTROL_ID_NAME); |
| return (id == EOBJECT_LIST_ID) ? |
| EvaluationResult.TRUE : EvaluationResult.FALSE; |
| } |
| |
| }; |
| |
| |
| } |