Added JPro to the sampler project.

Added a link to the online-demo at jpro.one.
Added an ambient background to the sampler.
The sampler now also works as a jar. Previously, it couldn't properly load the text of the fxml-files.

README.adoc

@@ -20,6 +20,8 @@ stylesheet that closely resembles the original while being custom tailored for J
 It's worth mentioning that Twitter Bootstrap delivers more than just a standardized look for common widgets. It also
 provides new widgets, behavior and a grid system. Some of these features may be ported at a later stage to BootstrapFX.
 
+There is an link:https://demos.jpro.one/bootstrapfx.html[online-version] available at link:https://jpro.one/[jpro.one].
+
 == Installing
 
 You can get the latest version of **BootstrapFX** directly from link:https://bintray.com[Bintray's JCenter] repository or Maven Central.

build.gradle

@@ -26,6 +26,9 @@ buildscript {
     repositories {
         jcenter()
         maven { url 'https://plugins.gradle.org/m2/' }
+        maven {
+            url "https://sandec.bintray.com/repo"
+        }
     }
 
     dependencies {
@@ -34,6 +37,7 @@ buildscript {
         classpath 'org.kordamp.gradle:stats-gradle-plugin:0.2.2'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.20.0'
         classpath 'net.nemerosa:versioning:2.7.1'
+        classpath "com.sandec.jpro:jpro-plugin-gradle:2018.1.8"
     }
 }
 
@@ -81,6 +85,7 @@ allprojects {
 subprojects { subproj ->
     apply plugin: 'java'
     apply plugin: 'org.kordamp.gradle.stats'
+    apply plugin: 'com.sandec.jpro'
     apply from: rootProject.file('gradle/code-quality.gradle')
     apply from: rootProject.file('gradle/javafx.gradle')
 

subprojects/sampler/sampler.gradle

@@ -27,4 +27,5 @@ mainClassName = 'org.kordamp.bootstrapfx.Sampler'
 dependencies {
     compile project(':bootstrapfx-core')
     compile 'org.fxmisc.richtext:richtextfx:0.9.1'
+    compile group: 'org.apache.commons', name: 'commons-io', version: '1.3.2'
 }

subprojects/sampler/src/main/java/org/kordamp/bootstrapfx/Sampler.java

@@ -28,10 +28,13 @@
 import javafx.scene.Scene;
 import javafx.scene.control.Tab;
 import javafx.scene.control.TabPane;
+import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
 import javafx.stage.Stage;
 
 import java.net.URL;
 import java.nio.file.Paths;
+import org.apache.commons.io.IOUtils;
 
 import static java.nio.file.Files.lines;
 import static java.util.stream.Collectors.joining;
@@ -55,7 +58,15 @@ public void start(Stage primaryStage) throws Exception {
         tabPane.getTabs().add(new DemoTab("Button Groups ", "button_groups.fxml"));
         tabPane.getTabs().add(new DemoTab("SplitMenuButtons", "split_menu_buttons.fxml"));
 
-        Scene scene = new Scene(tabPane);
+        StackPane innerPane = new StackPane(tabPane);
+        innerPane.setMaxWidth(1000);
+        innerPane.setMaxHeight(600);
+        innerPane.setStyle("-fx-background-color: #ddd; -fx-background-radius: 10;");
+        StackPane outerPane = new StackPane(innerPane);
+        outerPane.setStyle("-fx-background-image: url('/org/kordamp/bootstrapfx/ambient-background.jpg');" +
+                "-fx-background-size: cover;");
+
+        Scene scene = new Scene(outerPane);
         scene.getStylesheets().addAll(
             "org/kordamp/bootstrapfx/bootstrapfx.css",
             "org/kordamp/bootstrapfx/sampler.css",
@@ -89,7 +100,7 @@ private DemoTab(String title, String sourceFile) throws Exception {
             XMLEditor editor = new XMLEditor();
             editor.setEditable(false);
 
-            String text = lines(Paths.get(getClass().getResource(sourceFile).toURI())).collect(joining("\n"));
+            String text = IOUtils.toString(getClass().getResourceAsStream(sourceFile));
             editor.setText(text);
             source.setContent(editor);