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#4-Registro-de-Información-Personal #16

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alex merged 15 commits from #4-Registro-de-Información-Personal into main 2024-09-08 13:08:42 +00:00
Conversation 0 Commits 15 Files Changed 3 +95 -72
2 changed files with 95 additions and 72 deletions
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11
src/main/java/com/primefactorsolutions/service/EmployeeService.java
View File

@ -6,6 +6,7 @@ import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import lombok.Data;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import java.util.List;
@ -33,13 +34,13 @@ public class EmployeeService {
return null;
}
public Page<Employee> getEmployeesPaginated(int pageNo, int pageSize) {
Pageable pageable = PageRequest.of(pageNo - 1, pageSize);
public Page<Employee> getEmployeesPaginated(int pageNo, int pageSize, String sortField, boolean ascending) {
Sort sort = ascending ? Sort.by(sortField).ascending() : Sort.by(sortField).descending();
Pageable pageable = PageRequest.of(pageNo - 1, pageSize, sort);
return employeeRepository.findAll(pageable);
}
public boolean hasNextPage(int currentPage, int pageSize) {
Page<Employee> page = getEmployeesPaginated(currentPage, pageSize);
return page.hasNext();
public boolean hasNextPage(int currentPage, int pageSize, String sortField, boolean ascending) {
return getEmployeesPaginated(currentPage, pageSize, sortField, ascending).hasNext();
}
}

144
src/main/java/com/primefactorsolutions/views/EmployeesListView.java
View File

@ -2,15 +2,11 @@ package com.primefactorsolutions.views;
import com.primefactorsolutions.model.Employee;
import com.primefactorsolutions.service.EmployeeService;
import com.vaadin.flow.component.ClickEvent;
import com.vaadin.flow.component.Component;
import com.vaadin.flow.component.ComponentEventListener;
import com.vaadin.flow.component.button.Button;
import com.vaadin.flow.component.combobox.ComboBox;
import com.vaadin.flow.component.html.H2;
import com.vaadin.flow.component.html.Main;
import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
import com.vaadin.flow.function.ValueProvider;
import com.vaadin.flow.router.PageTitle;
import com.vaadin.flow.router.Route;
import com.vaadin.flow.spring.annotation.SpringComponent;
@ -25,77 +21,103 @@ import org.springframework.data.domain.Page;
@Route(value = "/employees", layout = MainLayout.class)
@PermitAll
public class EmployeesListView extends Main {
private final EmployeeService employeeService;
private int currentPage = 1;
private final int pageSize = 5;
private final Button previous;
private final Button next;
public EmployeesListView(final EmployeeService employeeService) {
private final EmployeeService employeeService;
private final int pageSize = 5;
private int currentPage = 1;
private String sortField = "firstName";
private boolean ascending = true;
private VGrid<Employee> grid;
private Button previous;
private Button next;
public EmployeesListView(EmployeeService employeeService) {
this.employeeService = employeeService;
addComponents();
updateGrid();
}
private void addComponents() {
addTitle();
addOrderButtons();
configureGrid();
addNavigationButtons();
}
private void addTitle() {
final H2 title = new H2("Employees list");
add(title);
}
private void addOrderButtons() {
final HorizontalLayout hl = new HorizontalLayout();
final HorizontalLayout hf = new HorizontalLayout();
final Button employeeListAscendingOrder = new Button("Employee List in Ascending Order");
employeeListAscendingOrder.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
// no-op
hl.add(createOrderButton("Employee List in Ascending Order", true));
hl.add(createOrderButton("Employee List in Descending Order", false));
add(hl);
}
private Button createOrderButton(String label, boolean isAscending) {
Button button = new Button(label);
button.addClickListener(event -> {
sortField = "firstName";
ascending = isAscending;
updateGrid();
});
hl.add(employeeListAscendingOrder);
final Button employeeListDescendingOrder = new Button("Employee List in Descending Order");
employeeListDescendingOrder.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
// no-op
});
hl.add(employeeListDescendingOrder);
final VGrid<Employee> grid = new VGrid<>(Employee.class);
return button;
}
private void configureGrid() {
grid = new VGrid<>(Employee.class);
grid.setColumns("firstName", "lastName", "status");
grid.setAllRowsVisible(true);
grid.addComponentColumn((ValueProvider<Employee, Component>) employee -> {
grid.addComponentColumn(employee -> createStatusComboBox()).setHeader("Change Status");
grid.addComponentColumn(employee -> createEditButton());
grid.addComponentColumn(employee -> createSaveButton());
add(grid);
}
private ComboBox<String> createStatusComboBox() {
ComboBox<String> statusComboBox = new ComboBox<>();
statusComboBox.setItems("Active", "Inactive");
return statusComboBox;
}).setHeader("Change Status");
grid.addComponentColumn((ValueProvider<Employee, Component>) employee -> {
final Button edit = new Button("Edit");
edit.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
// no-op
});
return edit;
});
grid.addComponentColumn((ValueProvider<Employee, Component>) employee -> {
final Button save = new Button("Save");
save.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
// no-op
});
return save;
});
this.previous = new Button("Previous");
this.previous.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
if (currentPage > 1) {
}
private Button createEditButton() {
return new Button("Edit");
}
private Button createSaveButton() {
return new Button("Save");
}
private void addNavigationButtons() {
final HorizontalLayout hf = new HorizontalLayout();
previous = createNavigationButton("Previous", -1);
next = createNavigationButton("Next", 1);
hf.add(previous, next, createAddEmployeeButton());
add(hf);
}
private Button createNavigationButton(String label, int increment) {
Button button = new Button(label);
button.addClickListener(event -> changePage(increment));
return button;
}
private void changePage(int increment) {
if (increment < 0 && currentPage > 1) {
currentPage--;
updateGrid(grid);
}
});
hf.add(this.previous);
this.next = new Button("Next");
this.next.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
if (employeeService.hasNextPage(currentPage, pageSize)) {
} else if (increment > 0 && employeeService.hasNextPage(currentPage, pageSize, sortField, ascending)) {
currentPage++;
updateGrid(grid);
}
});
hf.add(this.next);
final Button addEmployee = new Button("Add Employee");
addEmployee.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
this.getUI().flatMap(ui -> ui.navigate(EmployeeView.class, "new"));
});
hf.add(addEmployee);
add(title, hl, grid, hf);
updateGrid(grid);
updateGrid();
}
private void updateGrid(VGrid<Employee> grid) {
Page<Employee> page = employeeService.getEmployeesPaginated(currentPage, pageSize);
private Button createAddEmployeeButton() {
return new Button("Add Employee", event ->
getUI().flatMap(ui -> ui.navigate(EmployeeView.class, "new"))
);
}
private void updateGrid() {
Page<Employee> page = employeeService.getEmployeesPaginated(currentPage, pageSize, sortField, ascending);
grid.setItems(page.getContent());
this.previous.setEnabled(currentPage > 1);
this.next.setEnabled(page.hasNext());
previous.setEnabled(currentPage > 1);
next.setEnabled(page.hasNext());
}
}