package org.apache.wicket.examples.compref;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.extensions.markup.html.form.select.IOptionRenderer;
import org.apache.wicket.extensions.markup.html.form.select.Select;
import org.apache.wicket.extensions.markup.html.form.select.SelectOption;
import org.apache.wicket.extensions.markup.html.form.select.SelectOptions;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.CompoundPropertyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.util.io.IClusterable;
@link
@author
@author
public class SelectPage extends WicketExamplePage
{
private static final List<String> MANY_CHOICES = Arrays.asList("Choice1", "Choice2",
"Choice3", "Choice4", "Choice5", "Choice6", "Choice7", "Choice8", "Choice9");
public SelectPage()
{
final Input input = new Input();
setDefaultModel(new CompoundPropertyModel<>(input));
FeedbackPanel feedbackPanel = new FeedbackPanel("feedback");
add(feedbackPanel);
Form<?> form = new Form<Void>("form")
{
private static final long serialVersionUID = 1L;
@Override
protected void onSubmit()
{
info("input: " + input);
}
};
add(form);
Select<String> site = new Select<>("site");
form.add(site);
site.add(new SelectOption<>("site1", new Model<>("tss")));
site.add(new SelectOption<>("site2", new Model<>("jl")));
site.add(new SelectOption<>("site3", new Model<>("sd")));
site.add(new SelectOption<>("site4", new Model<>("bn")));
Select<List<String>> choices = new Select<>("choices");
form.add(choices);
IOptionRenderer<String> renderer = new IOptionRenderer<String>()
{
private static final long serialVersionUID = 1L;
@Override
public String getDisplayValue(String object)
{
return object;
}
@Override
public IModel<String> getModel(String value)
{
return new Model<>(value);
}
};
choices.add(new SelectOptions<>("manychoices", () -> MANY_CHOICES, renderer));
}
private static class Input implements IClusterable
{
private static final long serialVersionUID = 1L;
public String site = "sd";
public List<String> choices = new ArrayList<>();
public Input()
{
choices.add("Choice3");
choices.add("Choice4");
choices.add("Choice5");
}
@see
@Override
public String toString()
{
return "site = '" + site + "', choices='" + listAsString(choices) + "'";
}
private String listAsString(List<String> list)
{
StringBuilder b = new StringBuilder();
for (Iterator<String> i = list.iterator(); i.hasNext();)
{
b.append(i.next());
if (i.hasNext())
{
b.append(", ");
}
}
return b.toString();
}
}
@Override
protected void explain()
{
String html = "<select wicket:id=\"sites\">\n" + " <option>site 1</option>\n"
+ " <option>site 2</option>\n" + "</select>\n" + "<select wicket:id=\"choices\">\n"
+ " <option>choice 1</option>\n" + " <option>choice 2</option>\n" + "</select>";
String code = " // Add a multiple list choice component that uses the model object's 'site'\n"
+ " // property to designate the current selection, and that uses the SITES\n"
+ " // list for the available options.\n"
+ " // Note that our model here holds a Collection, as we need to store\n"
+ " // multiple values too\n"
+ " ListMultipleChoice siteChoice = new ListMultipleChoice(\"sites\", SITES);\n"
+ " form.add(siteChoice);\n"
+ "\n"
+ " ListMultipleChoice manyChoice = new ListMultipleChoice(\"choices\", MANY_CHOICES).setMaxRows(5);\n"
+ " form.add(manyChoice);";
html = "SEE INSIDE FOR NOW";
code = "SEE INSIDE FOR NOW";
add(new ExplainPanel(html, code));
}
}