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我有一个带有选项卡式面板的搜索页面,每个选项卡中都有一个表单(请参阅下面的代码),它们在提交时搜索数据库中的匹配。但是,此表单上的后退按钮支持不起作用(用户在textField中提供的文本丢失)。如何实现此表单的后退按钮支持?我在页面,面板,窗体和textField上发布了setVersioned(true),并在textField和窗体上使用了modelChanging()和modelChanged(),但都没有奏效。我也尝试从TabbedPanel重写方法newLink作为详细的here,但那也没有奏效。我不知所措...如何在Wicket窗体上实现后退按钮支持?
任何帮助将不胜感激。
public class TextSearchPanel extends Panel {
CompoundsDataTablePanel hitsPanel;
@SpringBean
ICompoundDAO compoundDAO;
public TextSearchPanel(final String id, final FeedbackPanelWrapper feedbackPanel) {
super(id);
setOutputMarkupId(true);
// Text Search Form
Form<TextSearchPanel> textform = new Form<TextSearchPanel>("textForm");
// Add textField
TextField<String> textField = new TextField<String>("query", new Model<String>());
textField.setRequired(true);
textField.add(new StringValidator() {
@Override
protected void onValidate(final IValidatable<String> validatable) {
String query = Name.replaceApostropheVariantsWithApostrophe(validatable.getValue());
try {
// Ascertain parsing query does not throw an exception
compoundDAO.parseQuery(query);
}
catch (ParseException e) {
// Otherwise: Display the error back to the user
validatable.error(new ValidationError().setMessage(e.getMessage()));
}
}
});
textform.add(textField);
// Add submit button
textform.add(new IndicatingAjaxButton("ajaxsubmit") {
@Override
protected void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
target.addComponent(feedbackPanel);
// Show hits panel
hitsPanel.setVisible(true);
target.addComponent(TextSearchPanel.this);
}
@Override
protected void onError(final AjaxRequestTarget target, final Form<?> form) {
target.addComponent(feedbackPanel);
// Hide hits panel
hitsPanel.setVisible(false);
target.addComponent(TextSearchPanel.this);
}
});
add(textform);
// Text Hits Panel
hitsPanel = new CompoundsDataTablePanel("hits", new TextHitsProvider(textField.getModel()));
hitsPanel.setVisible(false);
add(hitsPanel);
}
}
Page类:
public class SearchPage extends BasePage {
public SearchPage() {
super("Search");
setOutputMarkupId(true);
List<ITab> tabs = new ArrayList<ITab>();
tabs.add(new AbstractTab(new Model<String>("Spectrum search")) {
@Override
public Panel getPanel(final String panelId) {
return new SpectrumSearchPanel(panelId, getFeedbackPanelWrapper());
}
});
tabs.add(new AbstractTab(new Model<String>("Mass search")) {
@Override
public Panel getPanel(final String panelId) {
return new MassSearchPanel(panelId, getFeedbackPanelWrapper());
}
});
tabs.add(new AbstractTab(new Model<String>("Formula search")) {
@Override
public Panel getPanel(final String panelId) {
return new FormulaSearchPanel(panelId, getFeedbackPanelWrapper());
}
});
tabs.add(new AbstractTab(new Model<String>("Text search")) {
@Override
public Panel getPanel(final String panelId) {
return new TextSearchPanel(panelId, getFeedbackPanelWrapper());
}
});
// Add tabs to page to switch between search modes
add(new TabbedPanel("tabs", tabs));
}
}
谢谢Tnem!确实,问题出在IndicatingAjaxButton上。我用html中的常规提交按钮替换了这个,并在窗体上添加了onSubmit和onError覆盖方法,以调整结果面板何时可见。现在起作用了。 – Simmer 2011-04-08 11:04:28