org.primefaces.component.dnd.DroppableRenderer Maven / Gradle / Ivy

/**
 * Copyright 2009-2018 PrimeTek.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.primefaces.component.dnd;

import java.io.IOException;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;

import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.expression.SearchExpressionHint;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.WidgetBuilder;

public class DroppableRenderer extends CoreRenderer {

    @Override
    public void decode(FacesContext context, UIComponent component) {
        decodeBehaviors(context, component);
    }

    @Override
    public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
        Droppable droppable = (Droppable) component;

        UIComponent target = SearchExpressionFacade.resolveComponent(
                context, droppable, droppable.getFor(), SearchExpressionHint.PARENT_FALLBACK);

        String clientId = droppable.getClientId(context);
        WidgetBuilder wb = getWidgetBuilder(context);
        wb.initWithDomReady("Droppable", droppable.resolveWidgetVar(), clientId)
                .attr("target", target.getClientId(context))
                .attr("disabled", droppable.isDisabled(), false)
                .attr("hoverClass", droppable.getHoverStyleClass(), null)
                .attr("activeClass", droppable.getActiveStyleClass(), null)
                .attr("accept", droppable.getAccept(), null)
                .attr("scope", droppable.getScope(), null)
                .attr("tolerance", droppable.getTolerance(), null);

        if (droppable.getOnDrop() != null) {
            wb.append(",onDrop:").append(droppable.getOnDrop());
        }

        encodeClientBehaviors(context, droppable);

        wb.finish();
    }

}