Question

我正在使用GWT 2.4，Hibernate和MysQL 我创建了一个单元格表，当我单击一个单元格时，我想显示该特定单元格中的数据/值

提前致谢

Answer 1

DataProvider使用SingleSelectionModel和cellTable：

private final ListDataProvider<SomeClass> dataProvider = new ListDataProvider<SomeClass>();

private final SingleSelectionModel<SomeClass> selectionModel = new SingleSelectionModel<SomeClass>();
//then
table.setSelectionModel(selectionModel);    
dataProvider.addDataDisplay(table);

以下是如何获取所选对象的信息：

        showDataValueOfCellBtn.addClickHandler(new ClickHandler() {     
        @Override
        public void onClick(ClickEvent event) {
            SomeClass selected = selectionModel.getSelectedObject();
            Window.alert (selected.getValue());
        }
    });

Answer 2

@override
public Widget onInitialize(){

    CellTable grid = new CellTable<Bean>();
    grid.setWidth("100%",true);

    setColumns(grid);
}

private void setColumns(CellTable grid){

     Column<Bean, String> firstNameColumn = new Column<Bean, String>(
        new EditTextCell()) {
      @Override
      public String getValue(Bean object) {
        return object.getFirstName();
      }
    };
    firstNameColumn.setSortable(true);
    grid.addColumn(firstNameColumn, "First Name");

    Column<Bean, String> imageColumn = new Column<Bean, String>(
        new ClikableTextCell()) {
      @Override
      public String getValue(Bean object) {
        return "clickhere";
      }
    };
    imageColumn.setSortable(true);
    grid.addColumn(imageColumn, "Add Information");
    firstNameColumn.setFieldUpdater(new FieldUpdater<Bean, String>() {
      public void update(int index, Bean object, String value) {
        Window.alert("You clicked " + object.getFullName());
      }
    });
    cellTable.setColumnWidth(firstNameColumn, 20, Unit.PCT);
}

如何使用GWT获取单元格表中的单元格值

2 个答案: