/*******************************************************************************
* 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.search.command;
import java.util.regex.PatternSyntaxException;
import org.eclipse.nebula.widgets.nattable.command.ILayerCommandHandler;
import org.eclipse.nebula.widgets.nattable.coordinate.PositionCoordinate;
import org.eclipse.nebula.widgets.nattable.layer.ILayer;
import org.eclipse.nebula.widgets.nattable.layer.ILayerListener;
import org.eclipse.nebula.widgets.nattable.search.event.SearchEvent;
import org.eclipse.nebula.widgets.nattable.search.strategy.AbstractSearchStrategy;
import org.eclipse.nebula.widgets.nattable.selection.SelectionLayer;
import org.eclipse.nebula.widgets.nattable.selection.command.SelectCellCommand;
public class SearchGridCellsCommandHandler implements
ILayerCommandHandler<SearchCommand> {
private final SelectionLayer selectionLayer;
private PositionCoordinate searchResultCellCoordinate;
public SearchGridCellsCommandHandler(SelectionLayer selectionLayer) {
this.selectionLayer = selectionLayer;
}
public Class<SearchCommand> getCommandClass() {
return SearchCommand.class;
};
public boolean doCommand(ILayer targetLayer, SearchCommand searchCommand)
throws PatternSyntaxException {
searchCommand.convertToTargetLayer(targetLayer);
AbstractSearchStrategy searchStrategy = (AbstractSearchStrategy) searchCommand
.getSearchStrategy();
final ILayerListener searchEventListener = searchCommand
.getSearchEventListener();
if (searchEventListener != null) {
selectionLayer.addLayerListener(searchEventListener);
}
try {
PositionCoordinate anchor = selectionLayer.getSelectionAnchor();
if (anchor.columnPosition < 0 || anchor.rowPosition < 0) {
anchor = new PositionCoordinate(selectionLayer, 0, 0);
}
searchStrategy.setContextLayer(targetLayer);
Object dataValueToFind = null;
if ((dataValueToFind = searchCommand.getSearchText()) == null) {
dataValueToFind = selectionLayer.getDataValueByPosition(
anchor.columnPosition, anchor.rowPosition);
}
searchStrategy.setCaseSensitive(searchCommand.isCaseSensitive());
searchStrategy.setWrapSearch(searchCommand.isWrapSearch());
searchStrategy.setWholeWord(searchCommand.isWholeWord());
searchStrategy.setIncremental(searchCommand.isIncremental());
searchStrategy.setRegex(searchCommand.isRegex());
searchStrategy.setIncludeCollapsed(searchCommand
.isIncludeCollapsed());
searchStrategy.setSearchDirection(searchCommand
.getSearchDirection());
searchStrategy.setComparator(searchCommand.getComparator());
searchResultCellCoordinate = searchStrategy
.executeSearch(dataValueToFind);
selectionLayer.fireLayerEvent(new SearchEvent(
searchResultCellCoordinate));
if (searchResultCellCoordinate != null) {
final SelectCellCommand command = new SelectCellCommand(
selectionLayer,
searchResultCellCoordinate.columnPosition,
searchResultCellCoordinate.rowPosition, false, false);
command.setForcingEntireCellIntoViewport(true);
selectionLayer.doCommand(command);
}
} finally {
if (searchEventListener != null) {
selectionLayer.removeLayerListener(searchEventListener);
}
}
return true;
}
public PositionCoordinate getSearchResultCellCoordinate() {
return searchResultCellCoordinate;
}
}