Vaadin指南-如何正确添加它们

Vaadin指南-如何正确添加它们,vaadin,Vaadin,大家下午好 我正在创建一个销售系统,直到现在看起来都是这样 它显示了我的网格,没有任何销售,因为我仍在实施该系统,我们还可以看到3个按钮(新建、更改、删除)的存在。到目前为止还不错 单击“新建”按钮时,会打开一个窗口 窗口如附件2所示打开时,我们有3个选项卡(销售、交付和财务) 每个选项卡必须有自己的表单,每个表单必须有自己的组件(组合框、文本字段、日期选择器等) 在这里我遇到了无数的问题,都是由于我缺乏编程经验造成的,毕竟我开始学习才几个月 我的第一个问题是: 对于当前代码,如果我单击三个

大家下午好

我正在创建一个销售系统,直到现在看起来都是这样

它显示了我的网格,没有任何销售,因为我仍在实施该系统,我们还可以看到3个按钮(新建、更改、删除)的存在。到目前为止还不错

单击“新建”按钮时,会打开一个窗口

窗口如附件2所示打开时,我们有3个选项卡(销售、交付和财务)

每个选项卡必须有自己的表单,每个表单必须有自己的组件(组合框、文本字段、日期选择器等)

在这里我遇到了无数的问题,都是由于我缺乏编程经验造成的,毕竟我开始学习才几个月

我的第一个问题是:

对于当前代码,如果我单击三个选项卡中的任何一个,将显示具有相同组件的相同表单(见附件3和附件4)

我如何确保每个指南都有它的形式,每个形式都有它的组件

请参阅我的代码:

package br.com.fjsistemas.cadastros.view;

import java.time.LocalDate;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import javax.annotation.PostConstruct;

import org.springframework.beans.factory.annotation.Autowired;
import org.vaadin.textfieldformatter.CustomStringBlockFormatter;

import com.vaadin.flow.component.Component;
import com.vaadin.flow.component.button.Button;
import com.vaadin.flow.component.button.ButtonVariant;
import com.vaadin.flow.component.combobox.ComboBox;
import com.vaadin.flow.component.datepicker.DatePicker;
import com.vaadin.flow.component.dialog.Dialog;
import com.vaadin.flow.component.formlayout.FormLayout;
import com.vaadin.flow.component.grid.Grid;
import com.vaadin.flow.component.grid.GridVariant;
import com.vaadin.flow.component.html.Div;
import com.vaadin.flow.component.html.Label;
import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
import com.vaadin.flow.component.orderedlayout.VerticalLayout;
import com.vaadin.flow.component.tabs.Tab;
import com.vaadin.flow.component.tabs.Tabs;
import com.vaadin.flow.component.textfield.NumberField;
import com.vaadin.flow.component.textfield.TextField;
import com.vaadin.flow.data.binder.Binder;
import com.vaadin.flow.data.binder.PropertyId;
import com.vaadin.flow.data.renderer.NumberRenderer;
import com.vaadin.flow.router.PageTitle;
import com.vaadin.flow.router.Route;

import br.com.fjsistemas.backend.Venda;
import br.com.fjsistemas.main.MainView;
import br.com.fjsistemas.service.VendaService;

@Route(value = "venda-view", layout = MainView.class)
@PageTitle("Lançamento de Vendas")
public class VendaView extends VerticalLayout {

    private static final long serialVersionUID = 1L;

    private HorizontalLayout hltVenda = new HorizontalLayout();
    Grid<Venda> grdVenda = new Grid<>(Venda.class, false);

    private HorizontalLayout hltBarraBotoes = new HorizontalLayout();
    Button btnNovo = new Button("Novo");
    Button btnAlterar = new Button("Alterar");
    Button btnExcluir = new Button("Excluir");

    private Dialog dlgJanela = new Dialog();

    private FormLayout fltCamposVenda = new FormLayout();

    HorizontalLayout layoutGuiaVenda = new HorizontalLayout();
    HorizontalLayout layoutGuiaVenda2 = new HorizontalLayout();
    HorizontalLayout layoutGuiaVenda3 = new HorizontalLayout();
    HorizontalLayout layoutGuiaVenda4 = new HorizontalLayout();
    VerticalLayout layoutSeparar = new VerticalLayout();
    VerticalLayout layoutSeparar2 = new VerticalLayout();
    VerticalLayout layoutSeparar3 = new VerticalLayout();

    @PropertyId("data")
    private DatePicker txtDataVenda = new DatePicker("Data Venda");

    @PropertyId("nomeCliente")
    private TextField txtNomeCliente = new TextField("Nome Cliente");

    @PropertyId("telefone")
    private TextField txtTelefone = new TextField("Telefone");

    @PropertyId("celular")
    private TextField txtCelular = new TextField("Celular");

    @PropertyId("produtos")
    private ComboBox<String> txtProdutos = new ComboBox<>("Produtos");

    @PropertyId("quantidade")
    private NumberField txtQuantidade = new NumberField("Quantidade");

    @PropertyId("unitario")
    private TextField txtValorUnitario = new TextField("Valor Unitário");

    @PropertyId("valorTotalVenda")
    private NumberField txtValorTotalItem = new NumberField("Valor Total Item");

    private HorizontalLayout htlDlgBarraBotoes = new HorizontalLayout();
    private Button btnSalvar = new Button("Salvar");
    private Button btnFechar = new Button("Fechar");
    private Button btnAdicionarItem = new Button("Adicionar Item");

    @Autowired
    VendaService vendaService;

    private List<Venda> listaVendas;
    private Venda venda;

    Binder<Venda> binderVenda = new Binder<>(Venda.class);

    public VendaView() {

    }

    @PostConstruct
    public void init() {
        configuraTela();

    }

    private void configuraTela() {

        setMargin(false);
        setPadding(false);

        configuraHltVenda();
        configuraFltBarraBotoes();
        configuraDlgJanela();
        populaGrdVenda();
        configuraBinder();

        add(hltVenda, hltBarraBotoes);
    }

    private void configuraFltBarraBotoes() {

        btnNovo.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
        btnNovo.addClickListener(e -> {
            novoClick();
        });

        btnAlterar.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
        btnAlterar.addClickListener(e -> {
            alterarClick();
        });

        btnExcluir.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
        btnExcluir.addClickListener(e -> {
            excluirClick();
        });

        hltBarraBotoes.add(btnNovo, btnAlterar, btnExcluir);
    }

    private void excluirClick() {

        if (venda != null) {
            listaVendas.remove(venda);
            vendaService.delete(venda);
            atualizaGrdVenda();
        }
    }

    private void configuraHltVenda() {
        hltVenda.setWidthFull();
        configuraGrdVenda();
        hltVenda.add(grdVenda);
    }

    private void configuraGrdVenda() {
        grdVenda.setHeight("820px");
        grdVenda.setWidthFull();

        grdVenda.addColumn(Venda::getId).setHeader("ID:").setAutoWidth(true);

        grdVenda.addColumn(Venda::getDataVenda).setHeader("Data Venda:").setAutoWidth(true).setKey("dataVenda");

        grdVenda.addColumn(Venda::getCliente).setHeader("Cliente:").setAutoWidth(true).setKey("cliente");

        grdVenda.addColumn(new NumberRenderer<>(Venda::getValorTotalVenda, "R$ %(,.2f", Locale.getDefault(), "R$ 0.00"))
                .setHeader("Valor Total:").setAutoWidth(true).setKey("valorTotalVenda");

        grdVenda.addThemeVariants(GridVariant.LUMO_COMPACT, GridVariant.LUMO_COLUMN_BORDERS);

        grdVenda.getColumns().forEach(col -> col.setAutoWidth(true).setSortable(true).setResizable(true));

        grdVenda.addItemClickListener(e -> {
            venda = e.getItem();
        });

    }

    private void configuraDlgJanela() {

        dlgJanela.setHeight("800px");
        dlgJanela.setWidth("860px");

        Tab vender = new Tab("Vendas");
        Div venderDiv = new Div();
        Tab entregar = new Tab("Entregas");
        Div entregarDiv = new Div();
        entregarDiv.setVisible(false);
        Tab financeiro = new Tab("Financeiro");
        Div financeiroDiv = new Div();
        financeiroDiv.setVisible(false);

        LocalDate now = LocalDate.now();
        txtDataVenda.setValue(now);
        
        txtNomeCliente.setWidth("380px");

        new CustomStringBlockFormatter.Builder().blocks(0, 2, 4, 4).delimiters("(", ")", "-").numeric().build()
                .extend(txtTelefone);

        new CustomStringBlockFormatter.Builder().blocks(0, 2, 5, 4).delimiters("(", ")", "-").numeric().build()
                .extend(txtCelular);

        txtQuantidade.setHasControls(true);

        Label valorTotalCompra = new Label("VALOR TOTAL DA COMPRA R$:");
        valorTotalCompra.getStyle().set("margin-top", "112px");

        TextField campoValorTotal = new TextField("Valor Total da Compra");
        campoValorTotal.getStyle().set("margin-top", "100px");

        layoutGuiaVenda.add(txtDataVenda);
        layoutGuiaVenda2.add(txtNomeCliente, txtTelefone, txtCelular);
        layoutGuiaVenda3.add(txtProdutos, txtQuantidade, txtValorUnitario, txtValorTotalItem);
        layoutGuiaVenda4.add(valorTotalCompra, campoValorTotal);
        fltCamposVenda.add(layoutGuiaVenda, layoutSeparar, layoutGuiaVenda2, layoutSeparar2, layoutGuiaVenda3,
                layoutSeparar3, layoutGuiaVenda4);
        
        vender.add(fltCamposVenda);

        Map<Tab, Component> tabsToPages = new HashMap<>();
        tabsToPages.put(vender, venderDiv);
        tabsToPages.put(entregar, entregarDiv);
        tabsToPages.put(financeiro, financeiroDiv);
        Tabs tabs = new Tabs(vender, entregar, financeiro);
        Div pages = new Div(venderDiv, entregarDiv, financeiroDiv);

        tabs.addSelectedChangeListener(event -> {
            tabsToPages.values().forEach(page -> page.setVisible(false));
            Component selectedPage = tabsToPages.get(tabs.getSelectedTab());
            selectedPage.setVisible(true);
        });

        dlgJanela.add(tabs, pages);

        btnSalvar.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
        btnSalvar.getStyle().set("margin-top", "180px");
        btnSalvar.getStyle().set("margin-left", "0px");
        btnSalvar.addClickListener(e -> {
            salvarClick();
        });

        btnFechar.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
        btnFechar.getStyle().set("margin-top", "180px");
        btnFechar.addClickListener(e -> {
            dlgJanela.close();
        });

        btnAdicionarItem.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
        btnAdicionarItem.getStyle().set("margin-top", "180px");
        btnAdicionarItem.addClickListener(e -> {

        });

        htlDlgBarraBotoes.add(btnSalvar, btnFechar, btnAdicionarItem);

        dlgJanela.add(fltCamposVenda, htlDlgBarraBotoes);
    }

    private void salvarClick() {

        venda = binderVenda.getBean();

        boolean adicionarLista = venda.getId() == null ? true : false;

        vendaService.create(venda);

        if (adicionarLista) {
            listaVendas.add(venda);
        }
        atualizaGrdVenda();
        novaVenda();
        txtNomeCliente.focus();

        binderVenda.setBean(venda);

        if (adicionarLista) {
            dlgJanela.close();
        }
    }

    private void populaGrdVenda() {

        listaVendas = vendaService.read();
        atualizaGrdVenda();
    }

    private void atualizaGrdVenda() {
        grdVenda.setItems(listaVendas);
    }

    private void configuraBinder() {

        binderVenda.bindInstanceFields(this);

    }

    private void novoClick() {

        novaVenda();
        binderVenda.setBean(venda);

        dlgJanela.open();
        txtNomeCliente.focus();
    }

    private void alterarClick() {

        if (venda != null) {
            binderVenda.setBean(venda);

            dlgJanela.open();

        }
    }

    private void novaVenda() {
        venda = new Venda();
        venda.setCliente(" ");
        dlgJanela.close();

    }
}
package br.com.fjsistemas.cadastros.view;
导入java.time.LocalDate;
导入java.util.HashMap;
导入java.util.List;
导入java.util.Locale;
导入java.util.Map;
导入javax.annotation.PostConstruct;
导入org.springframework.beans.factory.annotation.Autowired;
导入org.vaadin.textfieldformatter.CustomStringBlockFormatter;
导入com.vaadin.flow.component.component;
导入com.vaadin.flow.component.button.button;
导入com.vaadin.flow.component.button.ButtonVariant;
导入com.vaadin.flow.component.combobox.combobox;
导入com.vaadin.flow.component.datepicker.datepicker;
导入com.vaadin.flow.component.dialog.dialog;
导入com.vaadin.flow.component.formlayout.formlayout;
导入com.vaadin.flow.component.grid.grid;
导入com.vaadin.flow.component.grid.GridVariant;
导入com.vaadin.flow.component.html.Div;
导入com.vaadin.flow.component.html.Label;
导入com.vaadin.flow.component.orderedlayout.HorizontalLayout;
导入com.vaadin.flow.component.orderedlayout.VerticalLayout;
导入com.vaadin.flow.component.tabs.Tab;
导入com.vaadin.flow.component.tabs.tabs;
导入com.vaadin.flow.component.textfield.NumberField;
导入com.vaadin.flow.component.textfield.textfield;
导入com.vaadin.flow.data.binder.binder;
导入com.vaadin.flow.data.binder.PropertyId;
导入com.vaadin.flow.data.renderer.NumberRenderer;
导入com.vaadin.flow.router.PageTitle;
导入com.vaadin.flow.router.Route;
导入br.com.fjsistemas.backend.Venda;
导入br.com.fjsistemas.main.MainView;
导入br.com.fjsistemas.service.VendaService;
@路线(value=“venda view”,layout=MainView.class)
@页面标题(“Lançamento de Vendas”)
公共类VendaView扩展了垂直布局{
私有静态最终长serialVersionUID=1L;
私有HorizontalLayout hltVenda=新HorizontalLayout();
grdVenda网格=新网格(Venda.class,false);
私有HorizontalLayout hltBarraBotoes=新HorizontalLayout();
按钮btnNovo=新按钮(“Novo”);
按钮btnAlterar=新按钮(“替代按钮”);
按钮btnExcluir=新按钮(“排除”);
私有对话框dlgJanela=新建对话框();
私有FormLayout fltCamposVenda=新FormLayout();
HorizontalLayout layoutGuiaVenda=新的HorizontalLayout();
HorizontalLayout布局guiavenda2=新的HorizontalLayout();
HorizontalLayout layoutGuiaVenda3=新的HorizontalLayout();
HorizontalLayout layoutGuiaVenda4=新的HorizontalLayout();
VerticalLayout LayoutSepar=新的VerticalLayout();
VerticalLayout LayoutSepar2=新的VerticalLayout();
VerticalLayout LayoutSepar3=新的VerticalLayout();
@属性ID(“数据”)
私有日期采集器txtDataVenda=新日期采集器(“数据采集器”);
@不动产ID(“命名客户”)
私有文本字段txtNomeCliente=新文本字段(“Nome Cliente”);
@地产ID(“telefone”)
私有文本字段txtTelefone=新文本字段(“Telefone”);
@不动产ID(“celular”)
私有文本字段txtcellular=新文本字段(“Celular”);
@不动产ID(“产品”)
私有组合框txtProdutos=新组合框(“Produtos”);
@不动产ID(“量化数据”)
私有NumberField txtQuantidade=新NumberField(“Quantidade”);
@地产ID(“unitario”)
私有文本字段txtValorUnitario=新文本字段(“Valor Unitario”);
@不动产ID(“valorTotalVenda”)
private NumberField txtValorTotalItem=新的NumberField(“Valor总项目”);
私有水平布局htldlgbarabotoes=新水平布局();
专用按钮btnSalvar=新按钮(“Salvar”);
专用按钮btnFechar=新按钮(“Fechar”);
私有按钮BTnadicionariem=新按钮(“Adicionar项”);
@自动连线
供应商服务供应商服务;
私人名单;
私人文达文达;
活页夹binderVenda=新活页夹(Venda.class);
公共文达维{
}
@施工后
公共void init(){
configuraTela();
}
私有void configuraTela(){
设置边距(假);
设置填充(假);
configuralTvenda();
配置fltbarabotoes();
配置Gjanela();
populardvenda();
配置活页夹();
添加(hltVenda、hltBarraBotoes);
}
私有无效配置fltbarabotoes(){
btnNovo.addThemeVariants(按钮变量LUMO_PRIMARY);
btnNovo.addClickListener(e->{
novoClick();
});
btnAlterar.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
btnAlterar.addClickListener(e->{
alteraclick();
});
btnExcluir.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
btnExcluir.addClickListener(e->{
排除单击();
});
添加(btnNovo、btnAlterar、btnExcluir);
}
私有void excluirClick(){
if(venda!=null){
listaVendas.remove(文达);
vendaService.delete(venda);
atualizaGrdVenda();
}
}
私有无效配置hltvenda(){
赫特文达