/*******************************************************************************
* 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.examples.examples._102_Configuration;
import org.eclipse.nebula.widgets.nattable.NatTable;
import org.eclipse.nebula.widgets.nattable.config.CellConfigAttributes;
import org.eclipse.nebula.widgets.nattable.config.ConfigRegistry;
import org.eclipse.nebula.widgets.nattable.config.DefaultNatTableStyleConfiguration;
import org.eclipse.nebula.widgets.nattable.config.IConfigRegistry;
import org.eclipse.nebula.widgets.nattable.examples.AbstractNatExample;
import org.eclipse.nebula.widgets.nattable.examples.fixtures.SelectionExampleGridLayer;
import org.eclipse.nebula.widgets.nattable.examples.runner.StandaloneNatExampleRunner;
import org.eclipse.nebula.widgets.nattable.layer.DataLayer;
import org.eclipse.nebula.widgets.nattable.layer.cell.CellOverrideLabelAccumulator;
import org.eclipse.nebula.widgets.nattable.selection.config.DefaultSelectionLayerConfiguration;
import org.eclipse.nebula.widgets.nattable.style.CellStyleAttributes;
import org.eclipse.nebula.widgets.nattable.style.DisplayMode;
import org.eclipse.nebula.widgets.nattable.style.Style;
import org.eclipse.nebula.widgets.nattable.test.fixture.data.RowDataFixture;
import org.eclipse.nebula.widgets.nattable.util.GUIHelper;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
public class Applying_style_to_a_cell extends AbstractNatExample {
private static final String CELL_LABEL = "Cell_LABEL";
public static void main(String[] args) throws Exception {
StandaloneNatExampleRunner
.run(600, 400, new Applying_style_to_a_cell());
}
@Override
public String getDescription() {
return "This example shows how to style cell(s) depending on the their data value.\n"
+ "\n"
+ "The basic approach is to apply 'labels' to cells. Once a label is applied, "
+ "you can register various config attributes against the label. During rendering, NatTable "
+ "will apply all the registered attributes to the cells with matching labels.\n"
+ "\n"
+ "You can apply labels in any fashion you like by implementing the IConfigLabelAccumulator interface. "
+ "Out of the box, labels can be applied to whole columns, rows and cells.";
}
public Control createExampleControl(Composite parent) {
SelectionExampleGridLayer gridLayer = new SelectionExampleGridLayer();
NatTable natTable = new NatTable(parent, gridLayer, false);
DataLayer bodyDataLayer = (DataLayer) gridLayer.getBodyDataLayer();
// Label accumulator - adds labels to all cells with the given data
// value
CellOverrideLabelAccumulator<RowDataFixture> cellLabelAccumulator = new CellOverrideLabelAccumulator<RowDataFixture>(
gridLayer.getBodyDataProvider());
cellLabelAccumulator.registerOverride("AAA", 2, CELL_LABEL);
// Register your cell style, against the label applied to the cell
// Other configuration which can be added (apart from style) include
// CellConfigAttributes, EditConfigAttributes, SortConfigAttributes etc.
IConfigRegistry configRegistry = new ConfigRegistry();
addColumnHighlight(configRegistry);
// Register label accumulator
bodyDataLayer.setConfigLabelAccumulator(cellLabelAccumulator);
gridLayer.getSelectionLayer().addConfiguration(
new DefaultSelectionLayerConfiguration());
natTable.addConfiguration(new DefaultNatTableStyleConfiguration());
natTable.setConfigRegistry(configRegistry);
natTable.configure();
return natTable;
}
private void addColumnHighlight(IConfigRegistry configRegistry) {
Style style = new Style();
style.setAttributeValue(CellStyleAttributes.BACKGROUND_COLOR,
GUIHelper.COLOR_RED);
configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_STYLE, // attribute
// to
// apply
style, // value of the attribute
DisplayMode.NORMAL, // apply during normal rendering i.e not
// during selection or edit
CELL_LABEL); // apply the above for all cells with this label
// Override the selection style on the highlighted cells.
// Note: This is achieved by specifying the display mode.
configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_STYLE,
style, DisplayMode.SELECT, CELL_LABEL);
}
}