org.efaps.ui.wicket.behaviors.dojo.LazyIframeBehavior.java Source code

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Here is the source code for org.efaps.ui.wicket.behaviors.dojo.LazyIframeBehavior.java

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/*
 * Copyright 2003 - 2016 The eFaps Team
 *
 * 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.efaps.ui.wicket.behaviors.dojo;

import org.apache.wicket.Component;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.html.link.ILinkListener;
import org.apache.wicket.request.mapper.parameter.PageParameters;

/**
 * TODO comment!
 *
 * @author The eFaps Team
 */
public class LazyIframeBehavior extends AbstractDojoBehavior {

    /**
     * Needed for serialization.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Markup id for the generated iframe.
     */
    private String frameMarkupId;

    /**
     * @param _frameMarkupId markup id for the generated iframe
     */
    public LazyIframeBehavior(final String _frameMarkupId) {
        this.frameMarkupId = _frameMarkupId;
    }

    /**
     * Getter method for the instance variable {@link #frameMarkupId}.
     *
     * @return value of instance variable {@link #frameMarkupId}
     */
    public String getFrameMarkupId() {
        return this.frameMarkupId;
    }

    /**
     * Setter method for instance variable {@link #frameMarkupId}.
     *
     * @param _frameMarkupId value for instance variable {@link #frameMarkupId}
     */
    public void setFrameMarkupId(final String _frameMarkupId) {
        this.frameMarkupId = _frameMarkupId;
    }

    /**
     * Render the links for the head.
     *
     * @param _component component the header will be rendered for
     * @param _response resonse to add
     */
    @Override
    public void renderHead(final Component _component, final IHeaderResponse _response) {
        super.renderHead(_component, _response);
        final StringBuilder js = new StringBuilder()
                .append("require([\"dojo/ready\",\"dijit/registry\",\"dojo/dom-construct\"],")
                .append(" function(ready, registry, domConstruct) {").append("ready(function() {")
                .append("registry.byId(\"").append(_component.getMarkupId())
                .append("\").set(\"content\", domConstruct.create(\"iframe\", {");

        if (this.frameMarkupId != null) {
            js.append("\"id\": \"").append(this.frameMarkupId).append("\",");
        }

        js.append("\"src\": \"").append(_component.urlFor(ILinkListener.INTERFACE, new PageParameters()))
                .append("\",\"style\": \"border: 0; width: 100%; height: 99%\", \"nodeId\": \"jan\"").append("}));")
                .append("});});");
        _response.render(JavaScriptHeaderItem.forScript(js, _component.getMarkupId()));
    }
}