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SigningDialogController.java
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SigningDialogController.java
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package digital.slovensko.autogram.ui.gui;
import digital.slovensko.autogram.core.Autogram;
import digital.slovensko.autogram.core.SigningJob;
import digital.slovensko.autogram.core.SigningKey;
import digital.slovensko.autogram.util.DSSUtils;
import javafx.concurrent.Worker;
import javafx.event.ActionEvent;
import javafx.event.Event;
import javafx.fxml.FXML;
import javafx.scene.Cursor;
import javafx.scene.Node;
import javafx.scene.control.Button;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextArea;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.ContextMenuEvent;
import javafx.scene.layout.VBox;
import javafx.scene.web.WebView;
import javafx.stage.Stage;
public class SigningDialogController implements SuppressedFocusController {
private final GUI gui;
private final SigningJob signingJob;
private final Autogram autogram;
@FXML
VBox mainBox;
@FXML
TextArea plainTextArea;
@FXML
WebView webView;
@FXML
VBox webViewContainer;
@FXML
ImageView imageVisualization;
@FXML
ScrollPane imageVisualizationContainer;
@FXML
VBox unsupportedVisualizationInfoBox;
@FXML
public Button mainButton;
@FXML
public Button changeKeyButton;
public SigningDialogController(SigningJob signingJob, Autogram autogram, GUI gui) {
this.signingJob = signingJob;
this.gui = gui;
this.autogram = autogram;
}
public void initialize() {
refreshSigningKey();
if (signingJob.isPlainText()) {
showPlainTextVisualization();
} else if (signingJob.isHTML()) {
showHTMLVisualization();
} else if (signingJob.isPDF()) {
showPDFVisualization();
} else if (signingJob.isImage()) {
showImageVisualization();
} else {
showUnsupportedVisualization();
}
}
public void onMainButtonPressed(ActionEvent event) {
var signingKey = gui.getActiveSigningKey();
if (signingKey == null) {
autogram.pickSigningKeyAndThen(gui::setActiveSigningKey);
} else {
gui.disableSigning();
getNodeForLoosingFocus().requestFocus();
autogram.sign(signingJob, signingKey);
}
}
public void onChangeKeyButtonPressed(ActionEvent event) {
gui.resetSigningKey();
autogram.pickSigningKeyAndThen(gui::setActiveSigningKey);
}
public void refreshSigningKey() {
mainButton.setDisable(false);
SigningKey key = gui.getActiveSigningKey();
if (key == null) {
mainButton.setText("Vybrať podpisový certifikát");
mainButton.getStyleClass().add("autogram-button--secondary");
changeKeyButton.setVisible(false);
} else {
mainButton.setText("Podpísať ako " + DSSUtils.parseCN(key.getCertificate().getSubject().getRFC2253()));
mainButton.getStyleClass().removeIf(style -> style.equals("autogram-button--secondary"));
changeKeyButton.setVisible(true);
}
}
public void close() {
var window = mainButton.getScene().getRoot().getScene().getWindow();
if (window instanceof Stage) {
((Stage) window).close();
}
}
public void disableKeyPicking() {
mainButton.setText("Načítavam certifikáty...");
mainButton.setDisable(true);
}
public void disableSigning() {
mainButton.setText("Prebieha podpisovanie...");
mainButton.setDisable(true);
}
private void showPlainTextVisualization() {
plainTextArea.addEventFilter(ContextMenuEvent.CONTEXT_MENU_REQUESTED, Event::consume);
plainTextArea.setText(signingJob.getDocumentAsPlainText());
plainTextArea.setVisible(true);
plainTextArea.setManaged(true);
}
private void showHTMLVisualization() {
webView.setContextMenuEnabled(false);
webView.getEngine().setJavaScriptEnabled(false);
var engine = webView.getEngine();
engine.getLoadWorker().stateProperty().addListener((observable, oldState, newState) -> {
if (newState == Worker.State.SUCCEEDED) {
engine.getDocument().getElementById("frame").setAttribute("srcdoc", signingJob.getDocumentAsHTML());
}
});
engine.load(getClass().getResource("visualization-html.html").toExternalForm());
webViewContainer.getStyleClass().add("autogram-visualizer-html");
webViewContainer.setVisible(true);
webViewContainer.setManaged(true);
}
private void showPDFVisualization() {
var engine = webView.getEngine();
engine.setJavaScriptEnabled(true);
engine.getLoadWorker().stateProperty().addListener((observable, oldState, newState) -> {
if (newState == Worker.State.SUCCEEDED) {
engine.executeScript("displayPdf('" + signingJob.getDocumentAsBase64Encoded() + "')");
}
});
engine.load(getClass().getResource("visualization-pdf.html").toExternalForm());
webViewContainer.getStyleClass().add("autogram-visualizer-pdf");
webViewContainer.setVisible(true);
webViewContainer.setManaged(true);
}
private void showImageVisualization() {
imageVisualization.fitWidthProperty().bind(imageVisualizationContainer.widthProperty().subtract(4));
imageVisualization.setImage(new Image(signingJob.getDocument().openStream()));
imageVisualization.setPreserveRatio(true);
imageVisualization.setSmooth(true);
imageVisualization.setCursor(Cursor.OPEN_HAND);
imageVisualizationContainer.setPannable(true);
imageVisualizationContainer.setFitToWidth(true);
imageVisualizationContainer.setVisible(true);
imageVisualizationContainer.setManaged(true);
}
private void showUnsupportedVisualization() {
unsupportedVisualizationInfoBox.setVisible(true);
unsupportedVisualizationInfoBox.setManaged(true);
}
@Override
public Node getNodeForLoosingFocus() {
return mainBox;
}
}