Java 如何使用两个属性在Vaadin ListSelect中显示?
我使用Vaadin ListSelect来显示选项。我有一个模板的标题作为显示名称,但我想从templateContainer添加一个属性(id)来显示。我怎么做Java 如何使用两个属性在Vaadin ListSelect中显示?,java,vaadin,Java,Vaadin,我使用Vaadin ListSelect来显示选项。我有一个模板的标题作为显示名称,但我想从templateContainer添加一个属性(id)来显示。我怎么做 ListSelect select = new ListSelect("Templates", templatesContainer); select.setItemCaptionPropertyId("title"); 例如: ListSelect select = new ListSelect("Templates", temp
ListSelect select = new ListSelect("Templates", templatesContainer);
select.setItemCaptionPropertyId("title");
例如:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
MyTemplate t = (MyTemplate) itemId;
return t.getTitle() + "-" + t.getId();
}
};
或者,如果您使用容器,您可以直接使用它:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
Container c = getContainerDataSource();
String title = (String) c.getContainerProperty(itemId, "title").getValue();
Integer id = (Integer) c.getContainerProperty(itemId, "id").getValue();
return title + "-" + id;
}
};
例如:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
MyTemplate t = (MyTemplate) itemId;
return t.getTitle() + "-" + t.getId();
}
};
或者,如果您使用容器,您可以直接使用它:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
Container c = getContainerDataSource();
String title = (String) c.getContainerProperty(itemId, "title").getValue();
Integer id = (Integer) c.getContainerProperty(itemId, "id").getValue();
return title + "-" + id;
}
};
例如:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
MyTemplate t = (MyTemplate) itemId;
return t.getTitle() + "-" + t.getId();
}
};
或者,如果您使用容器,您可以直接使用它:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
Container c = getContainerDataSource();
String title = (String) c.getContainerProperty(itemId, "title").getValue();
Integer id = (Integer) c.getContainerProperty(itemId, "id").getValue();
return title + "-" + id;
}
};
例如:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
MyTemplate t = (MyTemplate) itemId;
return t.getTitle() + "-" + t.getId();
}
};
或者,如果您使用容器,您可以直接使用它:
ListSelect select = new ListSelect("Templates", templatesContainer) {
@Override
public String getItemCaption(Object itemId) {
Container c = getContainerDataSource();
String title = (String) c.getContainerProperty(itemId, "title").getValue();
Integer id = (Integer) c.getContainerProperty(itemId, "id").getValue();
return title + "-" + id;
}
};