/* Copyright 2011 csvedit
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fhsolution.eclipse.plugins.csvedit.providers;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.fhsolution.eclipse.plugins.csvedit.model.CSVRow;
import org.fhsolution.eclipse.plugins.csvedit.style.SearchResultStyle;
/**
*
* @author fhenri
*
*/
public class CSVLabelProvider extends StyledCellLabelProvider {
//implements ITableLabelProvider
private String searchText;
private Color searchColor;
/**
*
*/
public CSVLabelProvider () {
searchColor = Display.getCurrent().getSystemColor(SWT.COLOR_YELLOW);
}
/**
* @param element
* @param columnIndex
* @return
*/
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
/**
* @param element
* @param columnIndex
* @return
*/
public String getColumnText(Object element, int columnIndex) {
CSVRow row = (CSVRow) element;
if(row.getEntries().size() > columnIndex) {
return row.getEntries().get(columnIndex).toString();
}
return "";
}
/**
* @see org.eclipse.jface.viewers.BaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void addListener(ILabelProviderListener listener) {
}
/**
* @see org.eclipse.jface.viewers.BaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
*/
public boolean isLabelProperty(Object element, String property) {
return true;
}
/**
* @see org.eclipse.jface.viewers.BaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void removeListener(ILabelProviderListener listener) {
}
/**
* @param searchText
*/
public void setSearchText(String searchText) {
this.searchText = searchText;
}
/**
* @see org.eclipse.jface.viewers.StyledCellLabelProvider#dispose()
*/
public void dispose() {
}
/**
* @see org.eclipse.jface.viewers.StyledCellLabelProvider#update(org.eclipse.jface.viewers.ViewerCell)
*/
@Override
public void update(ViewerCell cell) {
CSVRow element = (CSVRow) cell.getElement();
int index = cell.getColumnIndex();
String columnText = getColumnText(element, index);
cell.setText(columnText);
cell.setImage(getColumnImage(element, index));
if (searchText != null && searchText.length() > 0) {
int intRangesCorrectSize[] =
SearchResultStyle.getSearchTermOccurrences(searchText, columnText);
List<StyleRange> styleRange = new ArrayList<StyleRange>();
for (int i = 0; i < intRangesCorrectSize.length / 2; i++) {
StyleRange myStyleRange = new StyleRange(0, 0, null, searchColor);
myStyleRange.start = intRangesCorrectSize[i];
myStyleRange.length = intRangesCorrectSize[++i];
styleRange.add(myStyleRange);
}
cell.setStyleRanges(styleRange.toArray(new StyleRange[styleRange
.size()]));
} else {
cell.setStyleRanges(null);
}
super.update(cell);
}
}