Examples with Either org.reactfx.util.Either used on opensource projects

Example 1 with Either

use of org.reactfx.util.Either in project RichTextFX by FXMisc.

the class RichText method start.

@Override
public void start(Stage primaryStage) {
    mainStage = primaryStage;
    Button loadBtn = createButton("loadfile", this::loadDocument, "Load document.\n\n" + "Note: the demo will load only previously-saved \"" + RTFX_FILE_EXTENSION + "\" files. " + "This file format is abitrary and may change across versions.");
    Button saveBtn = createButton("savefile", this::saveDocument, "Save document.\n\n" + "Note: the demo will save the area's content to a \"" + RTFX_FILE_EXTENSION + "\" file. " + "This file format is abitrary and may change across versions.");
    CheckBox wrapToggle = new CheckBox("Wrap");
    wrapToggle.setSelected(true);
    area.wrapTextProperty().bind(wrapToggle.selectedProperty());
    Button undoBtn = createButton("undo", area::undo, "Undo");
    Button redoBtn = createButton("redo", area::redo, "Redo");
    Button cutBtn = createButton("cut", area::cut, "Cut");
    Button copyBtn = createButton("copy", area::copy, "Copy");
    Button pasteBtn = createButton("paste", area::paste, "Paste");
    Button boldBtn = createButton("bold", this::toggleBold, "Bold");
    Button italicBtn = createButton("italic", this::toggleItalic, "Italic");
    Button underlineBtn = createButton("underline", this::toggleUnderline, "Underline");
    Button strikeBtn = createButton("strikethrough", this::toggleStrikethrough, "Strike Trough");
    Button insertImageBtn = createButton("insertimage", this::insertImage, "Insert Image");
    ToggleGroup alignmentGrp = new ToggleGroup();
    ToggleButton alignLeftBtn = createToggleButton(alignmentGrp, "align-left", this::alignLeft, "Align left");
    ToggleButton alignCenterBtn = createToggleButton(alignmentGrp, "align-center", this::alignCenter, "Align center");
    ToggleButton alignRightBtn = createToggleButton(alignmentGrp, "align-right", this::alignRight, "Align right");
    ToggleButton alignJustifyBtn = createToggleButton(alignmentGrp, "align-justify", this::alignJustify, "Justify");
    ColorPicker paragraphBackgroundPicker = new ColorPicker();
    ComboBox<Integer> sizeCombo = new ComboBox<>(FXCollections.observableArrayList(5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 22, 24, 28, 32, 36, 40, 48, 56, 64, 72));
    sizeCombo.getSelectionModel().select(Integer.valueOf(12));
    sizeCombo.setTooltip(new Tooltip("Font size"));
    ComboBox<String> familyCombo = new ComboBox<>(FXCollections.observableList(Font.getFamilies()));
    familyCombo.getSelectionModel().select("Serif");
    familyCombo.setTooltip(new Tooltip("Font family"));
    ColorPicker textColorPicker = new ColorPicker(Color.BLACK);
    ColorPicker backgroundColorPicker = new ColorPicker();
    paragraphBackgroundPicker.setTooltip(new Tooltip("Paragraph background"));
    textColorPicker.setTooltip(new Tooltip("Text color"));
    backgroundColorPicker.setTooltip(new Tooltip("Text background"));
    paragraphBackgroundPicker.valueProperty().addListener((o, old, color) -> updateParagraphBackground(color));
    sizeCombo.setOnAction(evt -> updateFontSize(sizeCombo.getValue()));
    familyCombo.setOnAction(evt -> updateFontFamily(familyCombo.getValue()));
    textColorPicker.valueProperty().addListener((o, old, color) -> updateTextColor(color));
    backgroundColorPicker.valueProperty().addListener((o, old, color) -> updateBackgroundColor(color));
    undoBtn.disableProperty().bind(area.undoAvailableProperty().map(x -> !x));
    redoBtn.disableProperty().bind(area.redoAvailableProperty().map(x -> !x));
    BooleanBinding selectionEmpty = new BooleanBinding() {

        {
            bind(area.selectionProperty());
        }

        @Override
        protected boolean computeValue() {
            return area.getSelection().getLength() == 0;
        }
    };
    cutBtn.disableProperty().bind(selectionEmpty);
    copyBtn.disableProperty().bind(selectionEmpty);
    area.beingUpdatedProperty().addListener((o, old, beingUpdated) -> {
        if (!beingUpdated) {
            boolean bold, italic, underline, strike;
            Integer fontSize;
            String fontFamily;
            Color textColor;
            Color backgroundColor;
            IndexRange selection = area.getSelection();
            if (selection.getLength() != 0) {
                StyleSpans<TextStyle> styles = area.getStyleSpans(selection);
                bold = styles.styleStream().anyMatch(s -> s.bold.orElse(false));
                italic = styles.styleStream().anyMatch(s -> s.italic.orElse(false));
                underline = styles.styleStream().anyMatch(s -> s.underline.orElse(false));
                strike = styles.styleStream().anyMatch(s -> s.strikethrough.orElse(false));
                int[] sizes = styles.styleStream().mapToInt(s -> s.fontSize.orElse(-1)).distinct().toArray();
                fontSize = sizes.length == 1 ? sizes[0] : -1;
                String[] families = styles.styleStream().map(s -> s.fontFamily.orElse(null)).distinct().toArray(String[]::new);
                fontFamily = families.length == 1 ? families[0] : null;
                Color[] colors = styles.styleStream().map(s -> s.textColor.orElse(null)).distinct().toArray(Color[]::new);
                textColor = colors.length == 1 ? colors[0] : null;
                Color[] backgrounds = styles.styleStream().map(s -> s.backgroundColor.orElse(null)).distinct().toArray(i -> new Color[i]);
                backgroundColor = backgrounds.length == 1 ? backgrounds[0] : null;
            } else {
                int p = area.getCurrentParagraph();
                int col = area.getCaretColumn();
                TextStyle style = area.getStyleAtPosition(p, col);
                bold = style.bold.orElse(false);
                italic = style.italic.orElse(false);
                underline = style.underline.orElse(false);
                strike = style.strikethrough.orElse(false);
                fontSize = style.fontSize.orElse(-1);
                fontFamily = style.fontFamily.orElse(null);
                textColor = style.textColor.orElse(null);
                backgroundColor = style.backgroundColor.orElse(null);
            }
            int startPar = area.offsetToPosition(selection.getStart(), Forward).getMajor();
            int endPar = area.offsetToPosition(selection.getEnd(), Backward).getMajor();
            List<Paragraph<ParStyle, Either<String, LinkedImage>, TextStyle>> pars = area.getParagraphs().subList(startPar, endPar + 1);
            @SuppressWarnings("unchecked") Optional<TextAlignment>[] alignments = pars.stream().map(p -> p.getParagraphStyle().alignment).distinct().toArray(Optional[]::new);
            Optional<TextAlignment> alignment = alignments.length == 1 ? alignments[0] : Optional.empty();
            @SuppressWarnings("unchecked") Optional<Color>[] paragraphBackgrounds = pars.stream().map(p -> p.getParagraphStyle().backgroundColor).distinct().toArray(Optional[]::new);
            Optional<Color> paragraphBackground = paragraphBackgrounds.length == 1 ? paragraphBackgrounds[0] : Optional.empty();
            updatingToolbar.suspendWhile(() -> {
                if (bold) {
                    if (!boldBtn.getStyleClass().contains("pressed")) {
                        boldBtn.getStyleClass().add("pressed");
                    }
                } else {
                    boldBtn.getStyleClass().remove("pressed");
                }
                if (italic) {
                    if (!italicBtn.getStyleClass().contains("pressed")) {
                        italicBtn.getStyleClass().add("pressed");
                    }
                } else {
                    italicBtn.getStyleClass().remove("pressed");
                }
                if (underline) {
                    if (!underlineBtn.getStyleClass().contains("pressed")) {
                        underlineBtn.getStyleClass().add("pressed");
                    }
                } else {
                    underlineBtn.getStyleClass().remove("pressed");
                }
                if (strike) {
                    if (!strikeBtn.getStyleClass().contains("pressed")) {
                        strikeBtn.getStyleClass().add("pressed");
                    }
                } else {
                    strikeBtn.getStyleClass().remove("pressed");
                }
                if (alignment.isPresent()) {
                    TextAlignment al = alignment.get();
                    switch(al) {
                        case LEFT:
                            alignmentGrp.selectToggle(alignLeftBtn);
                            break;
                        case CENTER:
                            alignmentGrp.selectToggle(alignCenterBtn);
                            break;
                        case RIGHT:
                            alignmentGrp.selectToggle(alignRightBtn);
                            break;
                        case JUSTIFY:
                            alignmentGrp.selectToggle(alignJustifyBtn);
                            break;
                    }
                } else {
                    alignmentGrp.selectToggle(null);
                }
                paragraphBackgroundPicker.setValue(paragraphBackground.orElse(null));
                if (fontSize != -1) {
                    sizeCombo.getSelectionModel().select(fontSize);
                } else {
                    sizeCombo.getSelectionModel().clearSelection();
                }
                if (fontFamily != null) {
                    familyCombo.getSelectionModel().select(fontFamily);
                } else {
                    familyCombo.getSelectionModel().clearSelection();
                }
                if (textColor != null) {
                    textColorPicker.setValue(textColor);
                }
                backgroundColorPicker.setValue(backgroundColor);
            });
        }
    });
    ToolBar toolBar1 = new ToolBar(loadBtn, saveBtn, new Separator(Orientation.VERTICAL), wrapToggle, new Separator(Orientation.VERTICAL), undoBtn, redoBtn, new Separator(Orientation.VERTICAL), cutBtn, copyBtn, pasteBtn, new Separator(Orientation.VERTICAL), boldBtn, italicBtn, underlineBtn, strikeBtn, new Separator(Orientation.VERTICAL), alignLeftBtn, alignCenterBtn, alignRightBtn, alignJustifyBtn, new Separator(Orientation.VERTICAL), insertImageBtn, new Separator(Orientation.VERTICAL), paragraphBackgroundPicker);
    ToolBar toolBar2 = new ToolBar(sizeCombo, familyCombo, textColorPicker, backgroundColorPicker);
    VirtualizedScrollPane<GenericStyledArea<ParStyle, Either<String, LinkedImage>, TextStyle>> vsPane = new VirtualizedScrollPane<>(area);
    VBox vbox = new VBox();
    VBox.setVgrow(vsPane, Priority.ALWAYS);
    vbox.getChildren().addAll(toolBar1, toolBar2, vsPane);
    Scene scene = new Scene(vbox, 600, 400);
    scene.getStylesheets().add(RichText.class.getResource("rich-text.css").toExternalForm());
    primaryStage.setScene(scene);
    area.requestFocus();
    primaryStage.setTitle("Rich Text Demo");
    primaryStage.show();
}

Example 2 with Either

use of org.reactfx.util.Either in project RichTextFX by FXMisc.

the class RichText method save.

private void save(File file) {
    StyledDocument<ParStyle, Either<String, LinkedImage>, TextStyle> doc = area.getDocument();
    // Use the Codec to save the document in a binary format
    area.getStyleCodecs().ifPresent(codecs -> {
        Codec<StyledDocument<ParStyle, Either<String, LinkedImage>, TextStyle>> codec = ReadOnlyStyledDocument.codec(codecs._1, codecs._2, area.getSegOps());
        try {
            FileOutputStream fos = new FileOutputStream(file);
            DataOutputStream dos = new DataOutputStream(fos);
            codec.encode(dos, doc);
            fos.close();
        } catch (IOException fnfe) {
            fnfe.printStackTrace();
        }
    });
}

Example 3 with Either

use of org.reactfx.util.Either in project RichTextFX by FXMisc.

the class RichText method updateParagraphStyleInSelection.

private void updateParagraphStyleInSelection(Function<ParStyle, ParStyle> updater) {
    IndexRange selection = area.getSelection();
    int startPar = area.offsetToPosition(selection.getStart(), Forward).getMajor();
    int endPar = area.offsetToPosition(selection.getEnd(), Backward).getMajor();
    for (int i = startPar; i <= endPar; ++i) {
        Paragraph<ParStyle, Either<String, LinkedImage>, TextStyle> paragraph = area.getParagraph(i);
        area.setParagraphStyle(i, updater.apply(paragraph.getParagraphStyle()));
    }
}

Example 4 with Either

use of org.reactfx.util.Either in project RichTextFX by FXMisc.

the class RichText method load.

private void load(File file) {
    if (area.getStyleCodecs().isPresent()) {
        Tuple2<Codec<ParStyle>, Codec<StyledSegment<Either<String, LinkedImage>, TextStyle>>> codecs = area.getStyleCodecs().get();
        Codec<StyledDocument<ParStyle, Either<String, LinkedImage>, TextStyle>> codec = ReadOnlyStyledDocument.codec(codecs._1, codecs._2, area.getSegOps());
        try {
            FileInputStream fis = new FileInputStream(file);
            DataInputStream dis = new DataInputStream(fis);
            StyledDocument<ParStyle, Either<String, LinkedImage>, TextStyle> doc = codec.decode(dis);
            fis.close();
            if (doc != null) {
                area.replaceSelection(doc);
                return;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

Example 5 with Either

use of org.reactfx.util.Either in project RichTextFX by FXMisc.

the class RichText method insertImage.

/**
 * Action listener which inserts a new image at the current caret position.
 */
private void insertImage() {
    String initialDir = System.getProperty("user.dir");
    FileChooser fileChooser = new FileChooser();
    fileChooser.setTitle("Insert image");
    fileChooser.setInitialDirectory(new File(initialDir));
    File selectedFile = fileChooser.showOpenDialog(mainStage);
    if (selectedFile != null) {
        String imagePath = selectedFile.getAbsolutePath();
        imagePath = imagePath.replace('\\', '/');
        ReadOnlyStyledDocument<ParStyle, Either<String, LinkedImage>, TextStyle> ros = ReadOnlyStyledDocument.fromSegment(Either.right(new RealLinkedImage(imagePath)), ParStyle.EMPTY, TextStyle.EMPTY, area.getSegOps());
        area.replaceSelection(ros);
    }
}