CustomPropertyDefaultValueAdapter.java

/*
Copyright 2003-2012 Dmitry Barashev, GanttProject Team

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.options.model;

import java.util.Date;

import org.w3c.util.DateParser;

import biz.ganttproject.core.option.DefaultBooleanOption;
import biz.ganttproject.core.option.DefaultDateOption;
import biz.ganttproject.core.option.DefaultDoubleOption;
import biz.ganttproject.core.option.DefaultIntegerOption;
import biz.ganttproject.core.option.DefaultStringOption;
import biz.ganttproject.core.option.GPOption;

import net.sourceforge.ganttproject.CustomPropertyClass;
import net.sourceforge.ganttproject.CustomPropertyDefinition;

public abstract class CustomPropertyDefaultValueAdapter {
  public static GPOption createDefaultValueOption(final CustomPropertyClass propertyClass,
      final CustomPropertyDefinition def) {
    switch (propertyClass) {
    case TEXT:
      class TextDefaultValue extends DefaultStringOption {
        TextDefaultValue() {
          super("customPropertyDialog.defaultValue.text", def.getDefaultValueAsString());
        }

        @Override
        public void commit() {
          if (isChanged()) {
            assert propertyClass == def.getPropertyClass();
            super.commit();
            def.setDefaultValueAsString(getValue());
          }
        }

        @Override
        public void setValue(String value) {
          super.setValue(value);
          commit();
        }
      }
      return new TextDefaultValue();
    case BOOLEAN:
      class BooleanDefaultValue extends DefaultBooleanOption {
        BooleanDefaultValue() {
          super("customPropertyDialog.defaultValue.boolean", def.getDefaultValue() == null ? Boolean.FALSE
              : (Boolean) def.getDefaultValue());
        }

        @Override
        public void commit() {
          if (isChanged()) {
            assert propertyClass == def.getPropertyClass() : "property class mismatch: " + propertyClass + " vs "
                + def.getPropertyClass();
            super.commit();
            def.setDefaultValueAsString(String.valueOf(getValue()));
          }
        }

        @Override
        public void setValue(Boolean value) {
          super.setValue(value);
          commit();
        }
      }
      return new BooleanDefaultValue();
    case INTEGER:
      class IntegerDefaultValue extends DefaultIntegerOption {
        IntegerDefaultValue() {
          super("customPropertyDialog.defaultValue.integer", (Integer) def.getDefaultValue());
        }

        @Override
        public void commit() {
          if (isChanged()) {
            assert propertyClass == def.getPropertyClass();
            super.commit();
            def.setDefaultValueAsString(String.valueOf(getValue()));
          }
        }

        @Override
        public void setValue(Integer value) {
          super.setValue(value);
          commit();
        }
      }
      return new IntegerDefaultValue();
    case DOUBLE:
      class DoubleDefaultValue extends DefaultDoubleOption {
        DoubleDefaultValue() {
          super("customPropertyDialog.defaultValue.double", (Double) def.getDefaultValue());
        }

        @Override
        public void commit() {
          if (isChanged()) {
            assert propertyClass == def.getPropertyClass();
            super.commit();
            def.setDefaultValueAsString(String.valueOf(getValue()));
          }
        }

        @Override
        public void setValue(Double value) {
          super.setValue(value);
          commit();
        }
      }
      return new DoubleDefaultValue();
    case DATE:
      class DateDefaultValue extends DefaultDateOption {
        DateDefaultValue() {
          super("customPropertyDialog.defaultValue.date", (Date) def.getDefaultValue());
        }

        @Override
        public void commit() {
          if (isChanged()) {
            assert propertyClass == def.getPropertyClass();
            super.commit();
            def.setDefaultValueAsString(DateParser.getIsoDate(getValue()));
          }
        }

        @Override
        public void setValue(Date value) {
          super.setValue(value);
          commit();
        }
      }
      return new DateDefaultValue();
    default:
      return null;
    }
  }
}