sf.wicklet.ext.model.InheritablePropertyModel.java Source code

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Here is the source code for sf.wicklet.ext.model.InheritablePropertyModel.java

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You should have received a copy of  the license along with this library.
 * You may also obtain a copy of the License at
 *         http://www.apache.org/licenses/LICENSE-2.0.
 */
package sf.wicklet.ext.model;

import org.apache.wicket.Component;
import org.apache.wicket.model.IComponentInheritedModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.IWrapModel;

public class InheritablePropertyModel<P extends IProperty<?>, V extends IPropertyProvider>
        implements IComponentInheritedModel<V> {

    private static final long serialVersionUID = 1L;

    private V provider;

    public InheritablePropertyModel(final V provider) {
        this.provider = provider;
    }

    public IPropertyProvider getProvider() {
        return provider;
    }

    @Override
    public V getObject() {
        return provider;
    }

    @Override
    public void setObject(final V object) {
        this.provider = object;
    }

    @Override
    public void detach() {
    }

    @SuppressWarnings("unchecked")
    @Override
    public <W> IWrapModel<W> wrapOnInheritance(final Component component) {
        return new PropertyValueModel<W>((IProperty<W>) provider.propertyOf(component.getId()));
    }

    private class PropertyValueModel<X> implements IWrapModel<X> {
        private static final long serialVersionUID = 1L;
        final IProperty<X> property;

        public PropertyValueModel(final IProperty<X> property) {
            this.property = property;
        }

        @Override
        public X getObject() {
            return InheritablePropertyModel.this.getProvider().getValue(property);
        }

        @Override
        public void setObject(final X value) {
            InheritablePropertyModel.this.getProvider().setValue(property, value);
        }

        @Override
        public void detach() {
        }

        @Override
        public IModel<?> getWrappedModel() {
            return this;
        }
    }
}