ro.nextreports.server.web.dashboard.WidgetEmbedCodePanel.java Source code

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Here is the source code for ro.nextreports.server.web.dashboard.WidgetEmbedCodePanel.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 ro.nextreports.server.web.dashboard;

import org.apache.commons.codec.binary.Base64;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.apache.wicket.validation.validator.RangeValidator;
import org.jasypt.util.text.BasicTextEncryptor;

import ro.nextreports.server.service.StorageService;
import ro.nextreports.server.web.core.UrlUtil;

/**
 * @author Decebal Suiu
 */
public class WidgetEmbedCodePanel extends Panel {

    private static final long serialVersionUID = 1L;
    private Integer width = 520;
    private Integer height = 320; // it's a difference between alarm (80) and chart (320)
    private String parameters = "";
    private FeedbackPanel feedbackPanel;
    private ErrorLoadableDetachableModel model;

    @SpringBean
    StorageService storageService;

    public WidgetEmbedCodePanel(String id, final String widgetId) {
        super(id);

        // TODO add a form for frame build like this:
        // Scroll: xxx
        // Border size: xxx
        // Width: xxx
        // Height: xxx
        // e similar cu DataSourcePanel doar cu butoane Test si Close (eventual)
        // sa utilizez FormPanel   

        Form<String> form = new Form<String>("form");
        add(form);

        model = new ErrorLoadableDetachableModel(widgetId);
        final Label codeLabel = new Label("code", model);
        codeLabel.setEscapeModelStrings(false);
        codeLabel.setOutputMarkupId(true);
        add(codeLabel);

        TextField<Integer> width = new TextField<Integer>("width", new PropertyModel<Integer>(this, "width"));
        width.setRequired(true);
        width.add(RangeValidator.minimum(100));
        form.add(width);
        TextField<Integer> height = new TextField<Integer>("height", new PropertyModel<Integer>(this, "height"));
        height.setRequired(true);
        height.add(RangeValidator.minimum(100));
        form.add(height);
        TextField<String> parameters = new TextField<String>("parameters",
                new PropertyModel<String>(this, "parameters"));
        form.add(parameters);

        form.add(new AjaxSubmitLink("link") {

            private static final long serialVersionUID = 1L;

            @Override
            protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
                model.setError(false);
                target.add(codeLabel);
                target.add(feedbackPanel);
            }

            @Override
            protected void onError(AjaxRequestTarget target, Form<?> form) {
                model.setError(true);
                target.add(codeLabel);
                target.add(feedbackPanel);
            }

        });

        feedbackPanel = new FeedbackPanel("feedback");
        feedbackPanel.setOutputMarkupId(true);
        add(feedbackPanel);

    }

    private String getCode(String widgetId, boolean error) {
        if (error) {
            return "";
        }
        StringBuilder sb = new StringBuilder();
        sb.append("&lt;iframe src=\"");

        String url = UrlUtil.getAppBaseUrl(storageService).append("widget?id=").append(widgetId).append("&width=")
                .append(String.valueOf(width)).append("&height=").append(String.valueOf(height)).toString();
        sb.append(url);

        if (!"".equals(parameters.trim())) {
            String password = storageService.getSettings().getIframe().getEncryptionKey();
            if ((password != null) && !password.trim().equals("")) {
                BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
                textEncryptor.setPassword(password);
                String myEncryptedText = textEncryptor.encrypt(parameters);
                myEncryptedText = Base64.encodeBase64URLSafeString(myEncryptedText.getBytes());
                sb.append("&P=").append(myEncryptedText);
            } else {
                sb.append("&").append(parameters);
            }
        }

        sb.append("\" ");

        sb.append("frameborder=0 ");
        sb.append("width=").append(width).append("px ");
        sb.append("height=").append(height).append("px");

        sb.append(">&lt;/iframe&gt;");
        return sb.toString();
    }

    private class ErrorLoadableDetachableModel extends LoadableDetachableModel<String> {

        private static final long serialVersionUID = 1L;

        private boolean error = false;
        private String widgetId;

        public ErrorLoadableDetachableModel(String widgetId) {
            super();

            this.widgetId = widgetId;
        }

        public void setError(boolean error) {
            this.error = error;
        }

        @Override
        protected String load() {
            return getCode(widgetId, error);
        }

    }

}