/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.core.metamodel.facets.value.color;
import java.text.DecimalFormat;
import org.apache.isis.applib.adapters.EncoderDecoder;
import org.apache.isis.applib.adapters.Parser;
import org.apache.isis.applib.profiles.Localization;
import org.apache.isis.applib.value.Color;
import org.apache.isis.core.commons.config.IsisConfiguration;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.object.parseable.TextEntryParseException;
import org.apache.isis.core.metamodel.facets.object.value.vsp.ValueSemanticsProviderAndFacetAbstract;
import org.apache.isis.core.metamodel.facets.object.value.vsp.ValueSemanticsProviderContext;
public class ColorValueSemanticsProvider extends ValueSemanticsProviderAndFacetAbstract<Color> implements ColorValueFacet {
public static Class<? extends Facet> type() {
return ColorValueFacet.class;
}
private static final Color DEFAULT_VALUE = Color.BLACK;
private static final int TYPICAL_LENGTH = 4;
/**
* Required because implementation of {@link Parser} and
* {@link EncoderDecoder}.
*/
public ColorValueSemanticsProvider() {
this(null, null, null);
}
public ColorValueSemanticsProvider(final FacetHolder holder, final IsisConfiguration configuration, final ValueSemanticsProviderContext context) {
super(type(), holder, Color.class, TYPICAL_LENGTH, null, Immutability.IMMUTABLE, EqualByContent.NOT_HONOURED, DEFAULT_VALUE, configuration, context);
}
// //////////////////////////////////////////////////////////////////
// Parser
// //////////////////////////////////////////////////////////////////
@Override
protected Color doParse(final Object context, final String text) {
try {
if (text.startsWith("0x")) {
return new Color(Integer.parseInt(text.substring(2), 16));
} else if (text.startsWith("#")) {
return new Color(Integer.parseInt(text.substring(1), 16));
} else {
return new Color(Integer.parseInt(text));
}
} catch (final NumberFormatException e) {
throw new TextEntryParseException("Not a number " + text, e);
}
}
@Override
public String titleString(final Object object, final Localization localization) {
final Color color = (Color) object;
return color.title();
}
@Override
public String titleStringWithMask(final Object object, final String usingMask) {
final Color color = (Color) object;
return titleString(new DecimalFormat(usingMask), color.intValue());
}
// //////////////////////////////////////////////////////////////////
// Encode, Decode
// //////////////////////////////////////////////////////////////////
@Override
protected String doEncode(final Object object) {
final Color color = (Color) object;
return Integer.toHexString(color.intValue());
}
@Override
protected Color doRestore(final String data) {
return new Color(Integer.parseInt(data, 16));
}
// //////////////////////////////////////////////////////////////////
// ColorValueFacet
// //////////////////////////////////////////////////////////////////
@Override
public int colorValue(final ObjectAdapter object) {
if (object == null) {
return 0;
}
final Color color = (Color) object.getObject();
return color.intValue();
}
@Override
public ObjectAdapter createValue(final ObjectAdapter object, final int colorAsInt) {
final Color color = new Color(colorAsInt);
return getAdapterManager().adapterFor(color);
}
@Override
public String toString() {
return "ColorValueSemanticsProvider";
}
}