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ItEr37S16RFMaquetacionDesenhoAplicacionItEr36S18: Adding IDetailItemModificator and composite implementation

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This commit is contained in:
Óscar González Fernández 2009-12-08 01:16:54 +01:00
parent 70b3e4f5ca
commit ea0acba93d
2 changed files with 98 additions and 0 deletions
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30
ganttzk/src/main/java/org/zkoss/ganttz/timetracker/zoom/IDetailItemModificator.java Normal file
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/*
* This file is part of ###PROJECT_NAME###
*
* Copyright (C) 2009 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.zkoss.ganttz.timetracker.zoom;
/**
* @author Óscar González Fernández <ogonzalez@igalia.com>
*
*/
public interface IDetailItemModificator {
public DetailItem applyModificationsTo(DetailItem item);
}

68
ganttzk/src/main/java/org/zkoss/ganttz/timetracker/zoom/SeveralModificators.java Normal file
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/*
* This file is part of ###PROJECT_NAME###
*
* Copyright (C) 2009 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.zkoss.ganttz.timetracker.zoom;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.commons.lang.Validate;
/**
* @author Óscar González Fernández <ogonzalez@igalia.com>
*
*/
public class SeveralModificators implements IDetailItemModificator {
public static IDetailItemModificator empty() {
return new SeveralModificators(Collections
.<IDetailItemModificator> emptyList());
}
public static IDetailItemModificator create(
IDetailItemModificator... modificators) {
return new SeveralModificators(Arrays.asList(modificators));
}
public static IDetailItemModificator create(
Collection<? extends IDetailItemModificator> modificators) {
return new SeveralModificators(modificators);
}
private final List<IDetailItemModificator> modificators;
private SeveralModificators(
Collection<? extends IDetailItemModificator> modificators) {
Validate.noNullElements(modificators);
this.modificators = new ArrayList<IDetailItemModificator>(modificators);
}
@Override
public DetailItem applyModificationsTo(DetailItem item) {
DetailItem result = item;
for (IDetailItemModificator each : modificators) {
result = each.applyModificationsTo(result);
}
return result;
}
}