/*******************************************************************************
* Copyright (c) 2010, 2011 LogSaw project and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* LogSaw project committers - initial API and implementation
*******************************************************************************/
package net.sf.logsaw.ui.commands.expressions;
import net.sf.logsaw.ui.editors.ILogViewEditor;
import org.eclipse.core.expressions.PropertyTester;
/**
* A property tester for the <code>LogViewEditor</code>.
*
* @author Philipp Nanz
*/
public class LogViewEditorPropertyTester extends PropertyTester {
/* (non-Javadoc)
* @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
*/
@Override
public boolean test(Object receiver, String property, Object[] args,
Object expectedValue) {
ILogViewEditor editor = (ILogViewEditor) receiver;
boolean value = false;
if ("isNextPageAllowed".equals(property)) { //$NON-NLS-1$
value = editor.isNextPageAllowed();
} else if ("isPreviousPageAllowed".equals(property)) { //$NON-NLS-1$
value = editor.isPreviousPageAllowed();
} else if ("isFocusCellBackedByLogEntryField".equals(property)) { //$NON-NLS-1$
value = editor.getFocusCellLogEntryField() != null;
} else if ("isFocusCellTextNotEmpty".equals(property)) { //$NON-NLS-1$
value = editor.getFocusCellText().length() > 0;
}
return expectedValue == null ?
value : value == ((Boolean) expectedValue).booleanValue();
}
}