view.motd.MOTDDialog Maven / Gradle / Ivy

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package view.motd;

/*-
 * #%L
 * FOKProjects Common
 * %%
 * Copyright (C) 2016 Frederik Kammel
 * %%
 * 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.
 * #L%
 */


import com.rometools.rome.feed.synd.SyndContent;
import javafx.concurrent.Worker;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.image.Image;
import javafx.scene.web.WebView;
import javafx.stage.Stage;
import logging.FOKLogger;
import org.codefx.libfx.control.webview.WebViewHyperlinkListener;
import org.codefx.libfx.control.webview.WebViews;
import view.updateAvailableDialog.UpdateAvailableDialog;

import javax.swing.event.HyperlinkEvent.EventType;
import java.awt.*;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ResourceBundle;
import java.util.logging.Level;

/**
 * A default javaFx dialog to present a {@link MOTD} to the user using a WebView
 * and CSS.

 * Please note: This class is *NOT* thread safe.
 *
 * @author frede
 * @since 0.0.15
 */
@SuppressWarnings({"unused"})
public class MOTDDialog {

    public static final String defaultCss = "body {font: 14px/24px \"Source Sans Pro\", sans-serif; background: rgba(0,0,0,0.05);}\n	a {text-decoration: none; -webkit-transition: all 0.3s ease-in-out; -moz-transition: all 0.3s ease-in-out; -ms-transition: all 0.3s ease-in-out; -o-transition: all 0.3s ease-in-out; transition: all 0.3s ease-in-out;}\n	a:hover, a:focus {color: #443f3f; text-decoration: none; outline: 0; -webkit-transition: all 0.3s ease-in-out; -moz-transition: all 0.3s ease-in-out; -ms-transition: all 0.3s ease-in-out; -o-transition: all 0.3s ease-in-out; transition: all 0.3s ease-in-out;}\n	img {max-width: 100%; height: auto;}\n	strong {font-weight: 600;}\n	h1 { font: 52px/1.1 \"Raleway\", sans-serif;}\n	h2 { font: 42px/1.1 \"Raleway\", sans-serif;}\n	h3 { font: 32px/1.1 \"Raleway\", sans-serif;}\n	h4 { font: 25px/1.1 \"Raleway\", sans-serif;}\n	h5 { font: 20px/1.1 \"Raleway\", sans-serif;}\n	h6 { font: 18px/1\n	.1 \"Raleway\", sans-serif;}\n	h1, h2, h3, h4, h5, h6 {color: #443f3f; font-weight: 600; margin: 10px 0 24px;}\n	table {width: 100%;}\n	th,td {border: 1px solid #333; padding: 1px; text-align: center;}\n	blockquote {border-left: 3px solid #d65050; background-color: #333; color: #fff; font-size: 16px; font-style: italic; line-height: 23px; margin-bottom: 30px; padding: 30px 35px; position: relative;}";
    private static Stage stage;
    private static MOTD motd;
    private static String css;
    @SuppressWarnings("FieldCanBeLocal")
    private static Scene scene;
    private final ResourceBundle bundle = ResourceBundle.getBundle("view.motd.MOTDDialog");
    @FXML // ResourceBundle that was given to the FXMLLoader
    private ResourceBundle resources;
    @FXML // URL location of the FXML file that was given to the FXMLLoader
    private URL location;
    @FXML // fx:id="closeButton"
    private Button closeButton; // Value injected by FXMLLoader
    @FXML // fx:id="rssWebView"
    private WebView rssWebView; // Value injected by FXMLLoader
    @FXML // fx:id="openWebpageButton"
    private Button openWebpageButton; // Value injected by FXMLLoader

    /**
     * Only exists for the FXMLLoader
     */
    @Deprecated
    public MOTDDialog() {

    }

    /**
     * Creates a new {@code MOTDDialog} with the default settings. The window
     * title will be the feed title retrieved using {@link MOTD#getFeedTitle()}
     *
     * @param motd The {@link MOTD} to display
     */
    public MOTDDialog(MOTD motd) {
        this(motd, motd.getFeedTitle());
    }

    /**
     * Creates a new {@code MOTDDialog} with a custom windowTitle.
     *
     * @param motd        The {@link MOTD} to display
     * @param windowTitle The title of the javaFx stage
     */
    public MOTDDialog(MOTD motd, String windowTitle) {
        this(motd, windowTitle, defaultCss);
    }

    /**
     * Creates a new {@code MOTDDialog} with a custom windowTitle.
     *
     * @param motd        The {@link MOTD} to display
     * @param windowTitle The title of the javaFx stage
     * @param contentCss  The css style of the motd. Please note:  The specified
     *                    style will be used as an inline css stylesheet.
     */
    public MOTDDialog(MOTD motd, String windowTitle, String contentCss) {
        MOTDDialog.motd = motd;
        css = contentCss;
        this.show(windowTitle);
    }

    @FXML
    void openWebpageButtonOnAction(ActionEvent event) {
        try {
            Desktop.getDesktop().browse(new URI(motd.getEntry().getUri()));
            hide();
        } catch (IOException | URISyntaxException e) {
            FOKLogger.log(MOTDDialog.class.getName(), Level.SEVERE, "An error occurred", e);
        }
    }

    @FXML
    void closeButtonOnAction(ActionEvent event) {
        hide();
    }

    private void show(String windowTitle) {
        stage = new Stage();
        Parent root;
        try {
            root = FXMLLoader.load(UpdateAvailableDialog.class.getResource("/view/motd/MOTDDialog.fxml"), bundle);
            scene = new Scene(root);

            stage.getIcons().add(new Image(new URL(motd.getImage().getUrl()).openStream()));
            // scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());

            // Set the window title
            stage.setTitle(windowTitle);

            stage.setMinWidth(scene.getRoot().minWidth(0) + 70);
            stage.setMinHeight(scene.getRoot().minHeight(0) + 70);

            stage.setScene(scene);
            stage.show();
        } catch (IOException e) {
            FOKLogger.log(MOTDDialog.class.getName(), Level.SEVERE, "An error occurred", e);
        }
    }

    /**
     * Hides this {@code MOTDDialog} and marks its {@link MOTD} as read using
     * {@link MOTD#markAsRead()}
     */
    private void hide() {
        try {
            motd.markAsRead();
            stage.hide();
        } catch (ClassNotFoundException | IOException e) {
            FOKLogger.log(MOTDDialog.class.getName(), Level.SEVERE, "An error occurred", e);
        }
    }

    @FXML
        // This method is called by the FXMLLoader when initialization is
        // complete
    void initialize() {
        assert closeButton != null : "fx:id=\"closeButton\" was not injected: check your FXML file 'MOTDDialog.fxml'.";
        assert rssWebView != null : "fx:id=\"rssWebView\" was not injected: check your FXML file 'MOTDDialog.fxml'.";
        assert openWebpageButton != null : "fx:id=\"openWebpageButton\" was not injected: check your FXML file 'MOTDDialog.fxml'.";

        // adapt the webView height to its content

        rssWebView.prefHeightProperty().addListener((observableValue, number, number2) -> stage.setHeight((double) number2 + closeButton.prefHeightProperty().doubleValue() + 85));

        rssWebView.getEngine().getLoadWorker().stateProperty().addListener((observable, oldValue, newValue) -> {
            if (newValue != Worker.State.SUCCEEDED) {
                return;
            }

            Object result = rssWebView.getEngine().executeScript("document.getElementById('motdContent').offsetHeight");
            if (result instanceof Integer) {
                Integer i = (Integer) result;
                double height = new Double(i);
                height = height + 20;
                rssWebView.setPrefHeight(height);
                rssWebView.getPrefHeight();
            }
        });

        // Get the motd content
        String content = "";
        for (SyndContent str : motd.getEntry().getContents()) {
            if (str.getValue() != null) {
                content = content + str.getValue();
            }
        }
        content = content + "";

        if (content.contains(" {
            try {
                /*
                 * This listener is always called when the user enters, exits or
				 * clicks on the link with his mouse so only react on clicks.
				 */
                if (event.getEventType() == EventType.ACTIVATED) {
                    FOKLogger.info(MOTDDialog.class.getName(), "User clicked on hyperlink in MOTD");
                    FOKLogger.fine(MOTDDialog.class.getName(), WebViews.hyperlinkEventToString(event));
                    Desktop.getDesktop().browse(new URI(event.getURL().toString()));
                }
            } catch (URISyntaxException | IOException e) {
                FOKLogger.log(MOTDDialog.class.getName(), Level.SEVERE, "An error occurred", e);
            }

            // return true to prevent the WebView from browsing the url behind
            // the hyperlink
            return true;
        };
        WebViews.addHyperlinkListener(rssWebView, eventPrintingListener);
    }
}