68 lines
2.1 KiB
Java
68 lines
2.1 KiB
Java
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package com.baeldung;
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import org.springframework.util.StringUtils;
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import com.vaadin.flow.component.button.Button;
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import com.vaadin.flow.component.grid.Grid;
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import com.vaadin.flow.component.icon.VaadinIcon;
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import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
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import com.vaadin.flow.component.orderedlayout.VerticalLayout;
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import com.vaadin.flow.component.textfield.TextField;
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import com.vaadin.flow.data.value.ValueChangeMode;
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import com.vaadin.flow.router.Route;
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@Route
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public class MainView extends VerticalLayout {
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private final EmployeeRepository employeeRepository;
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private final EmployeeEditor editor;
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final Grid<Employee> grid;
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final TextField filter;
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private final Button addNewBtn;
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public MainView(EmployeeRepository repo, EmployeeEditor editor) {
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this.employeeRepository = repo;
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this.editor = editor;
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this.grid = new Grid<>(Employee.class);
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this.filter = new TextField();
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this.addNewBtn = new Button("New employee", VaadinIcon.PLUS.create());
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HorizontalLayout actions = new HorizontalLayout(filter, addNewBtn);
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add(actions, grid, editor);
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grid.setHeight("200px");
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grid.setColumns("id", "firstName", "lastName");
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grid.getColumnByKey("id").setWidth("50px").setFlexGrow(0);
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filter.setPlaceholder("Filter by last name");
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filter.setValueChangeMode(ValueChangeMode.EAGER);
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filter.addValueChangeListener(e -> listEmployees(e.getValue()));
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grid.asSingleSelect().addValueChangeListener(e -> {
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editor.editEmployee(e.getValue());
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});
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addNewBtn.addClickListener(e -> editor.editEmployee(new Employee("", "")));
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editor.setChangeHandler(() -> {
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editor.setVisible(false);
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listEmployees(filter.getValue());
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});
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listEmployees(null);
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}
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void listEmployees(String filterText) {
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if (StringUtils.isEmpty(filterText)) {
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grid.setItems(employeeRepository.findAll());
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} else {
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grid.setItems(employeeRepository.findByLastNameStartsWithIgnoreCase(filterText));
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}
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}
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}
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