Dépôt officiel du code source de l'ERP OpenConcerto

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
 * 
 * The contents of this file are subject to the terms of the GNU General Public License Version 3
 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each file.
 */
 
 package org.openconcerto.ui.light;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.ArrayList;
import java.util.List;

import net.minidev.json.JSONArray;
import net.minidev.json.JSONObject;

public class LightUIRadioButtons extends LightUserControl {
    private final List<String> choices = new ArrayList<>();

    public LightUIRadioButtons() {
        // Serialization
    }

    // Init from json constructor
    public LightUIRadioButtons(final JSONObject json) {
        super(json);
    }

    // Clone constructor
    public LightUIRadioButtons(final LightUIRadioButtons labelElement) {
        super(labelElement);
    }

    public LightUIRadioButtons(final String id, final String label, final List<String> choices) {
        this(id, label, choices, -1);
    }

    /**
     * 
     * @param selectedIndex index of the selected value (-1 if nothing is selected)
     */
    public LightUIRadioButtons(final String id, final String label, final List<String> choices, int selectedIndex) {
        super(id);
        this.setType(LightUIElement.TYPE_RADIO_BUTTONS);
        this.setLabel(label);
        if (selectedIndex >= choices.size()) {
            throw new IllegalArgumentException("invalid index " + selectedIndex + ", it must be between 0 and " + choices.size());
        }
        if (selectedIndex < 0) {
            this.setValue(null);
        } else {
            this.setValue(String.valueOf(selectedIndex));
        }
        this.setChoices(choices);
    }

    public void setChoices(List<String> choices) {
        this.choices.clear();
        this.choices.addAll(choices);
    }

    public List<String> getChoices() {
        return choices;
    }

    @Override
    public JSONObject toJSON() {
        final JSONObject json = super.toJSON();
        final JSONArray array = new JSONArray();
        for (String choice : choices) {
            array.add(choice);
        }
        json.put("choices", array);
        return json;
    }

    @Override
    public void fromJSON(final JSONObject json) {
        super.fromJSON(json);
        final JSONArray array = (JSONArray) json.get("choices");
        this.choices.clear();
        for (Object o : array) {
            this.choices.add(o.toString());
        }
    }

    @Override
    public void writeExternal(ObjectOutput out) throws IOException {
        super.writeExternal(out);
        out.writeInt(this.choices.size());
        for (String c : this.choices) {
            out.writeUTF(c);
        }
    }

    @Override
    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        super.readExternal(in);
        int size = in.readInt();
        this.choices.clear();
        for (int i = 0; i < size; i++) {
            this.choices.add(in.readUTF());
        }
    }

    @Override
    public void _setValueFromContext(Object value) {
        if (value instanceof Number) {
            this.setValue(value.toString());
        } else {
            throw new IllegalArgumentException("Incorrect value " + value + "type for ui element: " + this.getId());
        }
    }

    @Override
    public Object getValueForContext() {
        if (this.getValue() == null) {
            return null;
        } else {
            return Integer.parseInt(this.getValue());
        }
    }

}