Use binding to change the selection mode in the examples during `Mult…

…iple` checkbox selection
JPro-one · Oct 18, 2023 · 0cbed6c · 0cbed6c
1 parent 4fdc8e0
commit 0cbed6c
Show file tree

Hide file tree

Showing 2 changed files with 22 additions and 23 deletions.
diff --git a/jpro-file/example/src/main/java/one/jpro/platform/file/example/FileDropperSample.java b/jpro-file/example/src/main/java/one/jpro/platform/file/example/FileDropperSample.java
@@ -21,7 +21,6 @@
 import java.nio.file.Files;
 import java.util.List;
 import java.util.Optional;
-import java.util.concurrent.CompletableFuture;
 
 /**
  * This class represents a sample application for file dropper operations.
@@ -67,12 +66,6 @@ public Parent createRoot(Stage stage) {
             rootPane.setCenter(textArea);
         });
 
-        CheckBox multipleCheckBox = new CheckBox("Multiple");
-        multipleCheckBox.setOnAction(event ->
-                fileDropper.setSelectionMode(multipleCheckBox.isSelected() ?
-                SelectionMode.MULTIPLE : SelectionMode.SINGLE));
-        Region spacer = new Region();
-        HBox.setHgrow(spacer, Priority.ALWAYS);
         Button openButton = new Button("Open");
         openButton.setDefaultButton(true);
         final var filePicker = FilePicker.create(openButton);
@@ -82,6 +75,14 @@ public Parent createRoot(Stage stage) {
             appendFilesContent(fileSources, textArea);
             rootPane.setCenter(textArea);
         });
+
+        CheckBox multipleCheckBox = new CheckBox("Multiple");
+        fileDropper.selectionModeProperty().bind(multipleCheckBox.selectedProperty().map(selected ->
+                selected ? SelectionMode.MULTIPLE : SelectionMode.SINGLE));
+        filePicker.selectionModeProperty().bind(multipleCheckBox.selectedProperty().map(selected ->
+                selected ? SelectionMode.MULTIPLE : SelectionMode.SINGLE));
+        Region spacer = new Region();
+        HBox.setHgrow(spacer, Priority.ALWAYS);
         Button clearButton = new Button("Clear");
         clearButton.setOnAction(event -> rootPane.setCenter(dropPane));
 
@@ -93,17 +94,16 @@ public Parent createRoot(Stage stage) {
     }
 
     private void appendFilesContent(List<? extends FileSource<?>> fileSources, TextArea textArea) {
-        fileSources.forEach(fileSource -> fileSource.uploadFileAsync().thenApplyAsync(file -> {
+        final StringBuilder content = new StringBuilder();
+        fileSources.forEach(fileSource -> fileSource.uploadFileAsync().thenAcceptAsync(file -> {
             try {
-                final StringBuilder content = new StringBuilder();
                 String fileContent = new String(Files.readAllBytes(file.toPath()));
                 content.append(fileContent);
                 content.append("\n===============================================\n");
-                return content;
+                Platform.runLater(() -> textArea.setText(content.toString()));
             } catch (IOException ex) {
                 logger.error("Error reading file: " + ex.getMessage(), ex);
-                return CompletableFuture.completedFuture(ex);
             }
-        }).thenAcceptAsync(content -> Platform.runLater(() -> textArea.setText(content.toString()))));
+        }));
     }
 }
diff --git a/jpro-file/example/src/main/java/one/jpro/platform/file/example/FilePickerSample.java b/jpro-file/example/src/main/java/one/jpro/platform/file/example/FilePickerSample.java
@@ -44,30 +44,29 @@ public void start(Stage stage) {
 
     public Parent createRoot(Stage stage) {
         Label clickOnMeLabel = new Label("Click on me to open the file picker!");
-        var placeholderPane = new StackPane(clickOnMeLabel);
+        StackPane placeholderPane = new StackPane(clickOnMeLabel);
         placeholderPane.getStyleClass().add("placeholder-pane");
-        var fileTableView = new FileTableView();
+        FileTableView fileTableView = new FileTableView();
         fileTableView.setPlaceholder(placeholderPane);
 
-        var filePicker = FilePicker.create(placeholderPane);
+        final var filePicker = FilePicker.create(placeholderPane);
         filePicker.getExtensionFilters().addAll(textExtensionFilter,
                 audioExtensionFilter, videoExtensionFilter, imageExtensionFilter);
         filePicker.setSelectedExtensionFilter(audioExtensionFilter);
         filePicker.setOnFilesSelected(fileSources -> fileTableView.getItems().addAll(fileSources));
 
-        var rootPane = new BorderPane(fileTableView);
+        BorderPane rootPane = new BorderPane(fileTableView);
         rootPane.getStyleClass().add("root-pane");
 
-        var multipleCheckBox = new CheckBox("Multiple");
-        multipleCheckBox.setOnAction(event ->
-                filePicker.setSelectionMode(multipleCheckBox.isSelected() ?
-                SelectionMode.MULTIPLE : SelectionMode.SINGLE));
-        var spacer = new Region();
+        CheckBox multipleCheckBox = new CheckBox("Multiple");
+        filePicker.selectionModeProperty().bind(multipleCheckBox.selectedProperty().map(selected ->
+                selected ? SelectionMode.MULTIPLE : SelectionMode.SINGLE));
+        Region spacer = new Region();
         HBox.setHgrow(spacer, Priority.ALWAYS);
-        var clearButton = new Button("Clear");
+        Button clearButton = new Button("Clear");
         clearButton.setOnAction(event -> fileTableView.getItems().clear());
 
-        var controlsBox = new HBox(multipleCheckBox, spacer, clearButton);
+        HBox controlsBox = new HBox(multipleCheckBox, spacer, clearButton);
         controlsBox.getStyleClass().add("controls-box");
         rootPane.setTop(controlsBox);