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如何从单元格表中删除一行

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如何从单元格表中删除一行

查看javadoc以获取详细信息。我的示例就像您可以在此处找到的示例(稍稍扩展一下):

public void onModuleLoad() {    final CellTable<Row> table = new CellTable<Row>();    TextColumn<Row> firstColumn = new TextColumn<Starter.Row>() {        @Override        public String getValue(Row object) { return object.firstColumn;        }    };    table.addColumn(firstColumn, "header one");    TextColumn<Row> secondColumn = new TextColumn<Starter.Row>() {        @Override        public String getValue(Row object) { return object.secondColumn;        }    };    table.addColumn(secondColumn, "header two");    TextColumn<Row> thirdColumn = new TextColumn<Starter.Row>() {        @Override        public String getValue(Row object) { return object.thirdColumn;        }    };    table.addColumn(thirdColumn, "header three");    table.setRowCount(getList().size());    final ListDataProvider<Row> dataProvider = new ListDataProvider<Starter.Row>(getList());    dataProvider.addDataDisplay(table);    final SingleSelectionModel<Row> selectionModel = new SingleSelectionModel<Starter.Row>();    table.setSelectionModel(selectionModel);    Button btn = new Button("delete entry");    btn.addClickHandler(new ClickHandler() {        @Override        public void onClick(ClickEvent event) { Row selected = selectionModel.getSelectedObject(); if (selected != null) {     dataProvider.getList().remove(selected); }        }    });    RootPanel.get().add(table);    RootPanel.get().add(btn);}private class Row {    private String firstColumn;    private String secondColumn;    private String thirdColumn;    public Row(String firstColumn, String secondColumn, String thirdColumn) {        this.firstColumn = firstColumn;        this.secondColumn = secondColumn;        this.thirdColumn = thirdColumn;    }}private linkedList<Row> getList() {    linkedList<Row> list = new linkedList<Row>();    list.add(new Row("first", "entry", "foo"));    list.add(new Row("second", "entry", "foo"));    list.add(new Row("third", "entry", "foo"));    list.add(new Row("fourth", "entry", "foo"));    return list;}


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