fujaba/NetworkParser

package de.uniks.networkparser.gui.controls;

import java.util.Collection;

import de.uniks.networkparser.list.SimpleList;

public class Group extends Control {
    /* constants */
    public static final String DIV = "div";
    public static final String ORIENTATION = "orientation";
    public static final String HORIZONTAL = "horizontal";
    public static final String VERTICAL = "vertical";

    private SimpleList<Control> elements;
    private String orientation = HORIZONTAL;

    public Group() {
        super();
        /* Set variables of parent class */
        this.className = DIV;
        this.addBaseElements(PROPERTY_ELEMENTS);
        this.addBaseElements(ORIENTATION);
    }

    public SimpleList<Control> getElements() {
        return elements;
    }

    public Group withElement(Control... elements) {
        addElement(elements);
        return this;
    }

    public boolean addElement(Control... elements) {
        if (elements == null) {
            return false;
        }
        boolean changed = false;
        if (this.elements == null) {
            this.elements = new SimpleList<Control>();
        }
        for (Control control : elements) {
            if (this.elements.add(control)) {
                changed = true;
                firePropertyChange(PROPERTY_ELEMENTS, null, control);
            }
        }
        return changed;
    }

    public String getOrientation() {
        return orientation;
    }

    public boolean setOrientation(String value) {
        String oldValue = this.orientation;
        this.orientation = value;
        return firePropertyChange(ORIENTATION, oldValue, value);
    }

    public Group withOrientation(String value) {
        this.setOrientation(value);
        return this;
    }

    @Override
    public Object getValue(String key) {
        if (ORIENTATION.equals(key)) {
            return this.getOrientation();
        } else if (PROPERTY_ELEMENTS.equals(key)) {
            return this.getElements();
        }
        return super.getValue(key);
    }

    @Override
    public boolean setValue(String key, Object value) {
        if (ORIENTATION.equals(key)) {
            return this.setOrientation("" + value);
        } else if (PROPERTY_ELEMENTS.equals(key)) {
            if (value instanceof Control) {
                return this.addElement((Control) value);
            } else if (value instanceof Control[]) {
                return this.addElement((Control[]) value);
            } else if (value instanceof Collection<?>) {
                Collection<?> list = (Collection<?>) value;
                Control[] array = ((Collection<?>) value).toArray(new Control[list.size()]);
                return this.addElement(array);
            }
        }
        return super.setValue(key, value);
    }

    @Override
    public Group newInstance() {
        return new Group();
    }
}