Vaadin-如何将具有布尔值的网格列转换为复选框

Question

null

package com.platform28.mybatis;

import java.util.List;

import com.vaadin.data.Item;
import com.vaadin.data.util.BeanItemContainer;
import com.vaadin.data.util.GeneratedPropertyContainer;
import com.vaadin.data.util.PropertyValueGenerator;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.Grid;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
@SuppressWarnings("serial")
public class ConfigPopUp extends Window {
VaadinUtils vaadinUtils = null;

public ConfigPopUp(List<TableColumnData> tblDataLst) {
    vaadinUtils = new VaadinUtils();

    // Some basic content for the window
    VerticalLayout configLayout = new VerticalLayout();
    configLayout.addComponent(new Label("Settings"));
    configLayout.setMargin(true);
    //configLayout.setWidth(null);;
    setContent(configLayout);
    //adding grid.
    List<SettingsColumnData> settingsList = vaadinUtils.processSettingsList(tblDataLst);
    final BeanItemContainer<SettingsColumnData> gridDataSource = new BeanItemContainer<SettingsColumnData>(SettingsColumnData.class, settingsList);

    //change boolean value to checkbox.
    GeneratedPropertyContainer gp = new GeneratedPropertyContainer(gridDataSource);
    gp.addGeneratedProperty("columnDisplayed", new PropertyValueGenerator<CheckBox>() {

        @Override
        public CheckBox getValue(Item item, Object itemId, Object propertyId) {
            boolean currentCheckBoxValue = (boolean) item.getItemProperty("columnDisplayed").getValue();
            CheckBox chkBox = new CheckBox();
            chkBox.setValue(currentCheckBoxValue);
            return chkBox;
        }

        @Override
        public Class<CheckBox> getType() {
            return CheckBox.class;
        }
    });



    Grid settingsGrid = new Grid(gp);
    settingsGrid.setWidth("100%");
    settingsGrid.setSizeFull();
    settingsGrid.setColumnOrder("columnDisplayed", "columnName","columnShortName","columnDescription");
    configLayout.addComponent(settingsGrid);
    //configLayout.setExpandRatio(settingsGrid, 1);

    // Disable the close button
    setClosable(false);

    HorizontalLayout hLayout = new HorizontalLayout();
    hLayout.setSpacing(true);
    hLayout.setMargin(true);

    // Trivial logic for closing the sub-window
    Button ok = new Button("Ok");
    ok.addClickListener(new ClickListener() {
        public void buttonClick(ClickEvent event) {
            close(); // Close the sub-window
        }
    });
    hLayout.addComponent(ok);

    // Trivial logic for closing the sub-window
    Button cancelBtn = new Button("Cancel");
    cancelBtn.addClickListener(new ClickListener() {
        public void buttonClick(ClickEvent event) {
            close(); // Close the sub-window
        }
    });
    hLayout.addComponent(cancelBtn);

    configLayout.addComponent(hLayout);

    // set pop up to center.
    center();
    // should be resizable
    setResizable(true);
    // should not be draggable
    setDraggable(false);
    //set it as modal window
    setModal(true);

    setWidth("50%");

    setHeight("75%");

}

Answer 1

好的，我们使用selectionmode.multi来显示行的选择。https://cdn.vaadin.com/vaadin-core-elements/lates/vaadin-grid/demo/selection.html

尽管如此，我还是想了解更多关于我们如何完成上面问题中所示的更改的信息。

还在寻找答案。