/*******************************************************************************
* Copyright (c) 2012 Original authors 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:
* Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.data.validate;
import org.eclipse.nebula.widgets.nattable.config.IConfigRegistry;
import org.eclipse.nebula.widgets.nattable.data.IDataProvider;
import org.eclipse.nebula.widgets.nattable.data.convert.IDisplayConverter;
import org.eclipse.nebula.widgets.nattable.edit.editor.TextCellEditor;
import org.eclipse.nebula.widgets.nattable.layer.cell.ILayerCell;
public interface IDataValidator {
/**
*
* @param columnIndex
* Index of the column being validated
* @param rowIndex
* Index of the row being validated
* @param newValue
* Value entered through the edit control text box, combo box
* etc. Note: In case of the {@link TextCellEditor} the text
* typed in by the user will be converted to the canonical value
* using the {@link IDisplayConverter} before it hits this method
*
* @see IDataProvider#getDataValue(int, int)
*
* @return true is newValue is valid. False otherwise.
*/
public boolean validate(int columnIndex, int rowIndex, Object newValue);
/**
*
* @param cell
* LayerCell which should be validated
* @param configRegistry
* @param newValue
* Value entered through the edit control text box, combo box
* etc. Note: In case of the {@link TextCellEditor} the text
* typed in by the user will be converted to the canonical value
* using the {@link IDisplayConverter} before it hits this method
*
* @see IDataProvider#getDataValue(int, int)
*
* @return true is newValue is valid. False otherwise.
*/
public boolean validate(ILayerCell cell, IConfigRegistry configRegistry,
Object newValue);
public static final IDataValidator ALWAYS_VALID = new IDataValidator() {
@Override
public boolean validate(ILayerCell cell,
IConfigRegistry configRegistry, Object newValue) {
return true;
}
@Override
public boolean validate(int columnIndex, int rowIndex, Object newValue) {
return true;
}
};
public static final IDataValidator NEVER_VALID = new IDataValidator() {
@Override
public boolean validate(ILayerCell cell,
IConfigRegistry configRegistry, Object newValue) {
return false;
}
@Override
public boolean validate(int columnIndex, int rowIndex, Object newValue) {
return false;
}
};
}