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我发现除复制和粘贴现有GWT编辑器示例之外的任何内容都令人沮丧。这里试图创建一个最小编辑器,但没有成功。简单的GWT编辑器示例
public class ContactEditor extends Composite implements Editor<Contact> {
interface Binder extends UiBinder<Widget, ContactEditor> {}
interface ContactEditorDriver extends
SimpleBeanEditorDriver<Contact, ContactEditor> {}
private final ContactEditorDriver editorDriver;
@UiField TextBox salutation;
public ContactEditor(Contact contact) {
editorDriver = GWT.create(ContactEditorDriver.class);
editorDriver.initialize(this);
editorDriver.edit(contact);
initWidget(GWT.<Binder> create(Binder.class).createAndBindUi(this));
}
}
当这与
ContactEditor contactEditor = new ContactEditor(new Contact());
实例,我得到一个包含
Caused by: java.lang.NullPointerException: null
at ...ContactEditor_SimpleBeanEditorDelegate.attachSubEditors(ContactEditor_SimpleBeanEditorDelegate.java:12)
at com.google.gwt.editor.client.impl.AbstractEditorDelegate.initialize(AbstractEditorDelegate.java:264)
at com.google.gwt.editor.client.impl.SimpleBeanEditorDelegate.initialize(SimpleBeanEditorDelegate.java:32)
at com.google.gwt.editor.client.impl.AbstractSimpleBeanEditorDriver.edit(AbstractSimpleBeanEditorDriver.java:45)
at ...ContactEditor.<init>(ContactEditor.java
这是怎么回事就在这里--- SubEditors的UmbrellaException
?失败似乎在生成的代码中,很难对我进行调试。
非常感谢。
当然。再次感谢! – Glenn 2011-05-07 17:17:43