001/*
002 * JGrapes Event Driven Framework
003 * Copyright (C) 2017-2018 Michael N. Lipp
004 * 
005 * This program is free software; you can redistribute it and/or modify it 
006 * under the terms of the GNU Affero General Public License as published by 
007 * the Free Software Foundation; either version 3 of the License, or 
008 * (at your option) any later version.
009 * 
010 * This program is distributed in the hope that it will be useful, but 
011 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
012 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License 
013 * for more details.
014 * 
015 * You should have received a copy of the GNU Affero General Public License along 
016 * with this program; if not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jgrapes.webconsole.base.events;
020
021import java.io.IOException;
022import java.io.Writer;
023import java.util.Collections;
024import java.util.HashMap;
025import java.util.Map;
026import java.util.concurrent.ExecutionException;
027import java.util.concurrent.Future;
028
029/**
030 * Causes a modal dialog to be display on behalf of the conlet.
031 */
032public class OpenModalDialog extends ConsoleCommand {
033
034    private final String conletType;
035    private final String conletId;
036    private final Future<String> content;
037    private Map<String, Object> options;
038
039    /**
040     * Creates a new event. The content must be valid HTML, i.e. it
041     * must start with a tag.  See the JavaScript documentation of the
042     * <a href="../jsdoc/interfaces/ModalDialogOptions.html">
043     * modal dialog options</a> for details.
044     *
045     * @param conletType the conlet type
046     * @param conletId the conlet id
047     * @param content the content (valid HTML)
048     * @param options the options (must be serializable as JSON), see
049     * the JavaScript documentation of the
050     * <a href="../jsdoc/interfaces/ModalDialogOptions.html">
051     * modal dialog options</a> for details.
052     */
053    public OpenModalDialog(String conletType, String conletId,
054            Future<String> content, Map<String, Object> options) {
055        this.conletType = conletType;
056        this.conletId = conletId;
057        this.content = content;
058        this.options = options;
059    }
060
061    /**
062     * Creates a new event without any options.
063     * The content must be valid HTML, i.e. it
064     * must start with a tag.
065     *
066     * @param conletType the conlet type
067     * @param conletId the conlet id
068     * @param content the content (valid HTML)
069     */
070    public OpenModalDialog(String conletType, String conletId,
071            Future<String> content) {
072        this(conletType, conletId, content, null);
073    }
074
075    /**
076     * Adds an option to the event.
077     * 
078     * @param name the option name
079     * @param value the option value (must be serializable as JSON)
080     * @return the event for easy chaining
081     */
082    public OpenModalDialog addOption(String name, Object value) {
083        if (options == null) {
084            options = new HashMap<>();
085        }
086        options.put(name, value);
087        return this;
088    }
089
090    /**
091     * Returns the content.
092     * 
093     * @return the content
094     */
095    public Future<String> content() {
096        return content;
097    }
098
099    /**
100     * Return the options.
101     * 
102     * @return the options
103     */
104    public Map<String, Object> options() {
105        return options == null ? Collections.emptyMap() : options;
106    }
107
108    @Override
109    public void emitJson(Writer writer) throws IOException {
110        Map<String, Object> options = options();
111        try {
112            emitJson(writer, "openModalDialog", conletType, conletId,
113                content().get(), options);
114        } catch (ExecutionException | InterruptedException e) {
115            throw new IOException(e);
116        }
117    }
118
119}