public void addImageTab(Path imagePath) {
TabPane previewTabPane = controller.getPreviewTabPane();
ImageTab tab = new ImageTab();
tab.setPath(imagePath);
tab.setText(imagePath.getFileName().toString());
if (previewTabPane.getTabs().contains(tab)) {
previewTabPane.getSelectionModel().select(tab);
return;
}
Image image = new Image(IOHelper.pathToUrl(imagePath));
ImageView imageView = new ImageView(image);
imageView.setPreserveRatio(true);
imageView.setFitWidth(previewTabPane.getWidth());
previewTabPane
.widthProperty()
.addListener(
(observable, oldValue, newValue) -> {
imageView.setFitWidth(previewTabPane.getWidth());
});
Tooltip tip = new Tooltip(imagePath.toString());
Tooltip.install(tab.getGraphic(), tip);
ScrollPane scrollPane = new ScrollPane();
scrollPane.setVbarPolicy(ScrollPane.ScrollBarPolicy.AS_NEEDED);
scrollPane.setHbarPolicy(ScrollPane.ScrollBarPolicy.AS_NEEDED);
scrollPane.setContent(imageView);
scrollPane.addEventFilter(
ScrollEvent.SCROLL,
e -> {
if (e.isControlDown() && e.getDeltaY() > 0) {
// zoom in
imageView.setFitWidth(imageView.getFitWidth() + 16.0);
} else if (e.isControlDown() && e.getDeltaY() < 0) {
// zoom out
imageView.setFitWidth(imageView.getFitWidth() - 16.0);
}
});
tab.setContent(scrollPane);
TabPane tabPane = previewTabPane;
tabPane.getTabs().add(tab);
tabPane.getSelectionModel().select(tab);
}
