source: trunk/src/org/expeditee/setting/ListSetting.java@ 1434

/**
 *    ListSetting.java
 *    Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
 *
 *    This program 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.
 *
 *    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 General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.expeditee.setting;

import java.util.LinkedList;
import java.util.List;

import org.expeditee.core.Representable;
import org.expeditee.gui.Frame;
import org.expeditee.gui.FrameIO;
import org.expeditee.items.Text;
import org.expeditee.settings.UserSettings;

public abstract class ListSetting<T> extends VariableSetting {

        protected List<T> _default;
        protected List<T> _value;
        
        public ListSetting(String tooltip, String name, List<T> value) {
                super(tooltip, name);
                _default = new LinkedList<T>(value);
                _value = value;
        }
        
        public ListSetting(String tooltip, String name) {
                this(tooltip, name, new LinkedList<T>());
        }
        
        public List<T> get() {
                return _value;
        }
        
        public void set(List<T> value) {
                _value = value;
        }
        
        public abstract boolean setSetting(Text text);
        
        public void setDefault(List<T> value) {
                _default = new LinkedList<T>(value);
        }
        
        public void reset() {
                _value = new LinkedList<T>(_default);
        }

        @Override
        public Text generateRepresentation(String label, String frameset) {
                Text t = new Text(label);
                
                if (!_value.isEmpty()) {
                        Frame listFrame = FrameIO.CreateFrame(frameset, null, null);
                        listFrame.getTitleItem().delete();
                        
                        int x = UserSettings.TitlePosition.get();
                        int y = UserSettings.TitlePosition.get();
                        for (T v: _value) {
                                if (v == null) continue;
                                Text representation;
                                if (v instanceof Representable) {
                                        representation = ((Representable) v).generateRepresentation("List Entry", "");
                                        representation.setPosition(x, y);
                                        representation.setID(listFrame.getNextItemID());
                                        listFrame.addItem(representation);
                                } else {
                                        representation = listFrame.addText(x, y, v.toString(), null);
                                }
                                y += representation.getBoundsHeight();
                        }
                        FrameIO.ForceSaveFrame(listFrame);
                        t.setLink(listFrame.getName());
                }
                
                return t;
        }
}