Javafx 细胞工厂的特性
嗨,我在这个电池工厂有点小问题:Javafx 细胞工厂的特性,javafx,Javafx,嗨,我在这个电池工厂有点小问题: private Callback<TableColumn<Member, String>, TableCell<Member, String>> setPhotoCellFactory() { Callback<TableColumn<Member, String>, TableCell<Member, String>> callback = new Callbac
private Callback<TableColumn<Member, String>,
TableCell<Member, String>> setPhotoCellFactory() {
Callback<TableColumn<Member, String>, TableCell<Member, String>> callback = new Callback<TableColumn<Member, String>, TableCell<Member, String>>() {
@Override
public TableCell<Member, String> call(TableColumn<Member, String> param) {
TableCell<Member, String> cell = new TableCell<Member, String>() {
@Override
protected void updateItem(String item, boolean empty) {
System.out.println(item);
super.updateItem(item, empty);
ImageView imageview = new ImageView();
imageview.setFitHeight(TABLE_IMAGE_MEMBER_HEIGHT);
imageview.setFitWidth(TABLE_IMAGE_MEMBER_WIDTH);
if(item != null) {
imageview.setImage(new Image(item));
setGraphic(imageview);
} else {
if(!empty) {
imageview.setImage(new Image(ImageFiles.GENERIC_MALE.toString()));
setGraphic(imageview);
} else {
setGraphic(null);
}
}
}
};
return cell;
}
};
return callback;
}
添加CellValueFactory:
this.simPhotoColumn.setCellValueFactory(data -> data.getValue().photoProperty());
好的,我找到了解决办法。我的错误是在CellFactory中搜索如何设置图像。 响应是设置自定义CellValueFactory 我被替换为:
this.simPhotoColumn.setCellValueFactory(data -> data.getValue().photoProperty());
作者:
this.memberPhoto.setCellValueFactory(getPhotoValueFactory());
私有回调getPhotoValueFactory(){
Callback Callback=param->new ReadOnlyObjectWrapper(param.getValue().getPhoto());
返回回调;
}
好的,我找到了解决方案。我的错误是在CellFactory中搜索如何设置图像。
响应是设置自定义CellValueFactory
我被替换为:
this.simPhotoColumn.setCellValueFactory(data -> data.getValue().photoProperty());
作者:
this.memberPhoto.setCellValueFactory(getPhotoValueFactory());
私有回调getPhotoValueFactory(){
Callback Callback=param->new ReadOnlyObjectWrapper(param.getValue().getPhoto());
返回回调;
}
Getter?您发布的代码段不包含字符串get
!你是对的,所以当属性为null时。。我有空作为项目。在会员课上我有一张照片。这就是我的问题…Getter?您发布的代码段不包含字符串get
!你是对的,所以当属性为null时。。我有空作为项目。在会员课上我有一张照片。所以这是我的问题。。。
this.memberPhoto.setCellValueFactory(getPhotoValueFactory());
private Callback<TableColumn.CellDataFeatures<Member, String>, ObservableValue<String>> getPhotoValueFactory() {
Callback<TableColumn.CellDataFeatures<Member, String>, ObservableValue<String>> callback = param -> new ReadOnlyObjectWrapper<>(param.getValue().getPhoto());
return callback;
}