/* * ComboBoxModelWrapper.java * * Created on 2007-8-28, 0:16:54 * * To change this template, choose Tools | Templates * and open the template in the editor. */package dyno.swing.designer.properties.wrappers;import dyno.swing.designer.beans.Util;import dyno.swing.designer.properties.ValidationException;import java.util.StringTokenizer;import javax.swing.DefaultListModel;import javax.swing.ListModel;/** * * @author William Chen */public class ListModelWrapper implements Encoder, Decoder, SourceCoder {    private Encoder elementEncoder;    private Decoder elementDecoder;        public ListModelWrapper() {    }    public ListModelWrapper(Encoder eEncoder, Decoder eDecoder) {        this.elementEncoder = eEncoder;        this.elementDecoder = eDecoder;    }    public Encoder getElementWrapper(){        return elementEncoder;    }    public Object decode(String txt) {        if (Util.isStringNull(txt)) {            return new DefaultListModel();        } else {            StringTokenizer tokenizer = new StringTokenizer(txt, ",");            DefaultListModel model = new DefaultListModel();            while (tokenizer.hasMoreTokens()) {                String token = tokenizer.nextToken();                token = token.trim();                if (elementDecoder != null) {                    Object object = elementDecoder.decode(token);                    model.addElement(object);                } else {                    model.addElement(token);                }            }            return model;        }    }    public String encode(Object v) {        if (v == null) {            return "";        } else {            String txt = "";            ListModel m = (ListModel) v;            int size = m.getSize();            for (int i = 0; i < size; i++) {                Object object = m.getElementAt(i);                if (elementEncoder != null) {                    txt += elementEncoder.encode(object);                } else {                    txt += object;                }                if (i != size - 1) {                    txt += ",";                }            }            return txt;        }    }    public void validate(String txt) throws ValidationException {        if (!Util.isStringNull(txt)) {            StringTokenizer tokenizer = new StringTokenizer(txt, ",");            while (tokenizer.hasMoreTokens()) {                String token = tokenizer.nextToken();                token = token.trim();                if (elementDecoder != null) {                    elementDecoder.validate(token);                }            }        }            }    @Override    public String getJavaCode(Object value) {        if(value==null)            return "null";        ListModel dlm=(ListModel)value;        String strlist="";        for(int i=0;i<dlm.getSize();i++){            if(i!=0)                strlist+=", ";            strlist+="\""+dlm.getElementAt(i)+"\"";        }        String code="new javax.swing.AbstractListModel() {String[] strings = {"+strlist + "};";            code+="public int getSize() { return strings.length; }";            code+="public Object getElementAt(int i) { return strings[i]; }";        code+="}";        return code;    }}