/*
Copyright 2014 BarD Software s.r.o
This file is part of GanttProject, an opensource project management tool.
GanttProject is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GanttProject is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GanttProject. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sourceforge.ganttproject.gui;
import java.awt.Color;
import java.util.List;
import biz.ganttproject.core.option.ColorOption.Util;
import biz.ganttproject.core.option.EnumerationOption;
import biz.ganttproject.core.option.GPAbstractOption;
import biz.ganttproject.core.option.ListOption;
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.base.Objects;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
/**
* Option class for working with a list of colors.
*
* @author dbarashev (Dmitry Barashev)
*/
public class RecentColorsOption extends GPAbstractOption<Color> implements ListOption<Color> {
private final List<Color> myColors;
public RecentColorsOption(List<Color> colors) {
super("color.recent");
myColors = Preconditions.checkNotNull(colors);
}
@Override
public void setValue(Color value) {
if (!Objects.equal(value, getValue())) {
super.setValue(value);
}
}
@Override
public String getPersistentValue() {
if (myColors.isEmpty()) {
return null;
}
List<String> values = Lists.transform(myColors, new Function<Color, String>() {
@Override
public String apply(Color c) {
return Util.getColor(c);
}
});
return Joiner.on(' ').join(values);
}
@Override
public void loadPersistentValue(String value) {
myColors.clear();
String[] values = value.trim().split("\\s+");
for (String strColor : values) {
Color color = Util.determineColor(strColor);
myColors.add(color);
}
}
@Override
public void setValues(Iterable<Color> values) {
myColors.clear();
myColors.addAll(Lists.newArrayList(values));
}
@Override
public Iterable<Color> getValues() {
return myColors;
}
@Override
public void setValueIndex(int idx) {
throw new UnsupportedOperationException();
}
@Override
public void addValue(Color value) {
throw new UnsupportedOperationException();
}
@Override
public void updateValue(Color oldValue, Color newValue) {
throw new UnsupportedOperationException();
}
@Override
public void removeValueIndex(int idx) {
throw new UnsupportedOperationException();
}
@Override
public EnumerationOption asEnumerationOption() {
throw new UnsupportedOperationException();
}
}