org.dataconservancy.dcs.access.client.presenter.EntityPresenter.java Source code

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Here is the source code for org.dataconservancy.dcs.access.client.presenter.EntityPresenter.java

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/*
 * Copyright 2013 The Trustees of Indiana University
 *
 * 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.dataconservancy.dcs.access.client.presenter;

import com.google.gwt.http.client.URL;
import com.google.gwt.jsonp.client.JsonpRequestBuilder;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Panel;
import org.dataconservancy.dcs.access.client.SeadApp;
import org.dataconservancy.dcs.access.client.Search;
import org.dataconservancy.dcs.access.client.model.JsMatch;
import org.dataconservancy.dcs.access.client.model.JsSearchResult;
import org.dataconservancy.dcs.access.client.ui.ErrorPopupPanel;
import org.dataconservancy.dcs.access.shared.Constants;

public class EntityPresenter implements Presenter {

    final Display display;
    final Panel contentScrollPanel;

    public interface Display {
        String getEntityId();

        Panel getContentPanel();

        Panel getContentScrollPanel();
    }

    public EntityPresenter(Display view) {
        this.display = view;
        this.contentScrollPanel = this.display.getContentScrollPanel();
    }

    @Override
    public void bind() {
        final String entityurl = this.display.getEntityId();
        final Panel content = this.display.getContentPanel();
        String query = Search.createLiteralQuery("id", entityurl);
        String searchUrl = searchURL(query, 0, true, Constants.MAX_SEARCH_RESULTS);
        JsonpRequestBuilder rb = new JsonpRequestBuilder();
        rb.requestObject(searchUrl, new AsyncCallback<JsSearchResult>() {

            public void onFailure(Throwable caught) {
                //                reportInternalError("Viewing entity", caught);
                new ErrorPopupPanel("Error getting entity: " + caught.getMessage()).show();
            }

            public void onSuccess(JsSearchResult result) {
                JsMatch m = result.matches().get(0);
                if (m.getEntityType().equalsIgnoreCase("file")) {
                    content.add(((org.dataconservancy.dcs.access.client.model.JsFile) m.getEntity()).display());
                }
                if (m.getEntityType().equalsIgnoreCase("deliverableunit")) {
                    content.add(((org.dataconservancy.dcs.access.client.model.JsDeliverableUnit) m.getEntity())
                            .display(null, true));
                }

            }
        });
    }

    @Override
    public void display(final Panel mainContainer, Panel facetContent, Panel headerPanel, Panel logoutPanel,
            Panel notificationPanel) {
        mainContainer.clear();
        facetContent.clear();
        bind();
        mainContainer.add(contentScrollPanel);

    }

    public static String searchURL(String query, int offset, boolean context, int max, String... params) {

        String s = SeadApp.accessurl + SeadApp.queryPath + "?q=" + URL.encodeQueryString(query) + "&offset="
                + offset + "&max=" + max;

        if (context) {
            s = s + "&_hl=true&_hl.requireFieldMatch=true&_hl.fl=" + URL.encodeQueryString("*");
        }
        for (int i = 0; i < params.length; i += 2) {
            s = s + "&" + params[i] + "=" + params[i + 1];
        }
        return s;
    }
}