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Perfil de Personal Administrativo - VER, EDITAR, AÑADIR Documento (Correccion en el el boton view document)

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jesus.pelaez 2024-09-30 19:28:44 -04:00
parent 6d9a2f65e5
commit 9b67ee3902
1 changed files with 99 additions and 87 deletions
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182
src/main/java/com/primefactorsolutions/views/DocumentView.java
View File

@ -15,6 +15,8 @@ import com.vaadin.flow.component.textfield.TextField;
import com.vaadin.flow.component.upload.Upload;
import com.vaadin.flow.component.upload.receivers.MemoryBuffer;
import com.vaadin.flow.router.*;
import com.vaadin.flow.server.StreamRegistration;
import com.vaadin.flow.server.StreamResource;
import com.vaadin.flow.spring.annotation.SpringComponent;
import elemental.json.Json;
import elemental.json.JsonArray;
@ -25,10 +27,12 @@ import org.springframework.security.core.userdetails.UserDetails;
import org.vaadin.firitin.form.BeanValidationForm;
import com.vaadin.flow.spring.security.AuthenticationContext;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.Base64;
import java.util.List;
import java.util.UUID;
import java.io.InputStream;
@SpringComponent
@PermitAll
@ -36,7 +40,6 @@ import java.util.UUID;
@PageTitle("Document")
@Route(value = "/documents/:documentId?/:action?", layout = MainLayout.class)
public class DocumentView extends BeanValidationForm<Document> implements HasUrlParameter<String> {
private final H2 title = new H2("Edit Documents");
private final TextField fileName = new TextField("Document Name");
private final ComboBox<DocumentType> documentType = new ComboBox<>("Document Type");
@ -46,7 +49,6 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
private final DocumentService documentService;
private final EmployeeService employeeService;
private final AuthenticationContext authContext;
private boolean fileUploaded = false;
private Button saveButton;
private Button viewDocumentButton;
@ -66,34 +68,6 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
configureUploadButton();
}
private void configureComponents() {
setFileNameProperties();
setDocumentTypeProperties();
setEmployeeComboBoxProperties();
}
private void setFileNameProperties() {
fileName.setWidthFull();
}
private void setDocumentTypeProperties() {
documentType.setItems(DocumentType.values());
documentType.setWidthFull();
}
private void setEmployeeComboBoxProperties() {
List<Employee> employees = employeeService.findAllEmployees();
employeeComboBox.setItems(employees);
employeeComboBox.setItemLabelGenerator(employee -> employee.getFirstName() + " " + employee.getLastName());
employeeComboBox.setWidthFull();
}
private void configureUploadButton() {
uploadButton.setMaxFiles(1);
uploadButton.setAcceptedFileTypes(".pdf");
uploadButton.addSucceededListener(event -> handleUploadSuccess());
}
protected Button createSaveButton() {
saveButton = new Button("Save");
saveButton.addClickListener(event -> saveDocument());
@ -113,43 +87,59 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
return viewDocumentButton;
}
private void setFileNameProperties() {
fileName.setWidthFull();
}
private void setDocumentTypeProperties() {
documentType.setItems(DocumentType.values());
documentType.setWidthFull();
}
private void setEmployeeComboBoxProperties() {
List<Employee> employees = employeeService.findAllEmployees();
employeeComboBox.setItems(employees);
employeeComboBox.setItemLabelGenerator(employee -> employee.getFirstName() + " " + employee.getLastName());
employeeComboBox.setWidthFull();
}
private void setDocumentCreator(final Document document) {
authContext.getAuthenticatedUser(UserDetails.class).ifPresent(user -> {
document.setCreator(user.getUsername());
});
}
private void setFieldsReadOnly(final boolean option) {
fileName.setReadOnly(option);
documentType.setReadOnly(option);
employeeComboBox.setReadOnly(option);
}
private void viewDocument() {
Document document = getEntity();
if (document.getFileData() != null && document.getFileData().length > 0) {
String base64Data = Base64.getEncoder().encodeToString(document.getFileData());
String jsCode = createJsCodeForDocument(base64Data);
getElement().executeJs(jsCode);
StreamResource resource;
try {
InputStream inputStream = buffer.getInputStream();
if (inputStream != null && inputStream.available() > 0) {
resource = new StreamResource(fileName.getValue(), () -> new ByteArrayInputStream(readFileData()));
} else {
Notification.show("No file data available to view.");
byte[] fileData = getEntity().getFileData();
resource = new StreamResource(fileName.getValue(), () -> new ByteArrayInputStream(fileData));
}
resource.setContentType("application/pdf");
getUI().ifPresent(ui -> {
StreamRegistration registration = ui.getSession().getResourceRegistry().registerResource(resource);
ui.getPage().open(registration.getResourceUri().toString());
});
} catch (IOException e) {
e.printStackTrace();
Notification.show("Error al leer el archivo.");
}
private String createJsCodeForDocument(final String base64Data) {
return "var byteCharacters = atob('" + base64Data + "');"
+ "var byteNumbers = new Array(byteCharacters.length);"
+ "for (var i = 0; i < byteCharacters.length; i++) {"
+ " byteNumbers[i] = byteCharacters.charCodeAt(i);"
+ "}"
+ "var byteArray = new Uint8Array(byteNumbers);"
+ "var blob = new Blob([byteArray], { type: 'application/pdf' });"
+ "var url = URL.createObjectURL(blob);"
+ "window.open(url, '_blank');";
}
private void closeForm() {
navigateToDocumentsListView();
}
private void navigateToDocumentsListView() {
getUI().ifPresent(ui -> ui.navigate(DocumentsListView.class));
}
private void handleUploadSuccess() {
fileUploaded = true;
Notification.show("File uploaded successfully.");
viewDocumentButton.setEnabled(true);
}
private void saveDocument() {
if (isFormValid()) {
Document document = getEntity();
@ -167,10 +157,8 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
}
}
private void setDocumentCreator(final Document document) {
authContext.getAuthenticatedUser(UserDetails.class).ifPresent(user -> {
document.setCreator(user.getUsername());
});
private void closeForm() {
navigateToDocumentsListView();
}
private boolean isFormValid() {
@ -180,15 +168,6 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
&& fileUploaded;
}
private byte[] readFileData() {
try {
return buffer.getInputStream().readAllBytes();
} catch (IOException e) {
Notification.show("Error reading file data.");
return new byte[0];
}
}
private void clearForm() {
fileName.clear();
documentType.clear();
@ -198,10 +177,13 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
viewDocumentButton.setEnabled(false);
}
private void setFieldsReadOnly(final boolean option) {
fileName.setReadOnly(option);
documentType.setReadOnly(option);
employeeComboBox.setReadOnly(option);
private byte[] readFileData() {
try {
return buffer.getInputStream().readAllBytes();
} catch (IOException e) {
Notification.show("Error reading file data.");
return new byte[0];
}
}
private void preLoadFile(final Document document) {
@ -210,8 +192,49 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
jsonObject.put("name", document.getFileName());
jsonObject.put("progress", 100);
jsonObject.put("complete", true);
jsonObject.put("fileData", Base64.getEncoder().encodeToString(document.getFileData()));
jsonArray.set(0, jsonObject);
uploadButton.getElement().setPropertyJson("files", jsonArray);
fileUploaded = true;
}
private void handleUploadSuccess() {
fileUploaded = true;
Notification.show("File uploaded successfully.");
viewDocumentButton.setEnabled(true);
}
private void handleFileRemoval() {
fileUploaded = false;
Notification.show("File removed.");
viewDocumentButton.setEnabled(false);
uploadButton.setReceiver(new MemoryBuffer());
}
private void configureComponents() {
setFileNameProperties();
setDocumentTypeProperties();
setEmployeeComboBoxProperties();
}
private void configureUploadButton() {
uploadButton.setMaxFiles(1);
uploadButton.setAcceptedFileTypes(".pdf");
uploadButton.addSucceededListener(event -> handleUploadSuccess());
uploadButton.getElement().addEventListener("file-remove", event -> handleFileRemoval());
}
private void configureViewOrEditAction(final String action, final String documentIdString) {
if ("edit".equals(action) && !documentIdString.isEmpty()) {
setFieldsReadOnly(false);
preLoadFile(getEntity());
viewDocumentButton.setEnabled(true);
} else if ("view".equals(action) && !documentIdString.isEmpty()) {
setFieldsReadOnly(true);
preLoadFile(getEntity());
saveButton.setEnabled(false);
viewDocumentButton.setEnabled(true);
}
}
@Override
@ -231,17 +254,6 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
}
}
private void configureViewOrEditAction(final String action, final String documentIdString) {
if ("edit".equals(action) && !documentIdString.isEmpty()) {
setFieldsReadOnly(false);
preLoadFile(getEntity());
} else if ("view".equals(action) && !documentIdString.isEmpty()) {
setFieldsReadOnly(true);
saveButton.setEnabled(false);
viewDocumentButton.setEnabled(true);
}
}
@Override
protected List<Component> getFormComponents() {
HorizontalLayout buttonLayout = new HorizontalLayout();