package com.googlecode.wicket.jquery.ui.samples.jqueryui.selectable;
import java.util.Arrays;
import java.util.List;
import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import com.googlecode.wicket.jquery.core.resource.StyleSheetPackageHeaderItem;
import com.googlecode.wicket.jquery.ui.interaction.draggable.Draggable;
import com.googlecode.wicket.jquery.ui.interaction.droppable.Droppable;
import com.googlecode.wicket.jquery.ui.interaction.selectable.Selectable;
import com.googlecode.wicket.jquery.ui.panel.JQueryFeedbackPanel;
public class DraggableSelectablePage extends AbstractSelectablePage
{
private static final long serialVersionUID = 1L;
private final FeedbackPanel feedback;
private final Selectable<String> selectable;
public DraggableSelectablePage()
{
List<String> list = Arrays.asList("item #1", "item #2", "item #3", "item #4", "item #5", "item #6");
// FeedbackPanel //
this.feedback = new JQueryFeedbackPanel("feedback");
this.add(this.feedback.setOutputMarkupId(true));
// Selectable //
this.selectable = new Selectable<String>("selectable", list) {
private static final long serialVersionUID = 1L;
@Override
public void onSelect(AjaxRequestTarget target)
{
this.info("items: " + this.getDefaultModelObjectAsString());
target.add(feedback);
}
};
this.add(this.selectable);
// Selectable ListView //
this.selectable.add(new ListView<String>("items", list) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem<String> item)
{
// Draggable //
Draggable<?> draggable = selectable.createDraggable("drag");
item.add(draggable);
// Label //
Label label = new Label("item", item.getModelObject());
label.add(AttributeModifier.append("style", "position: relative; top: 2px; vertical-align: top;"));
item.add(label);
}
});
// Droppable //
Droppable<?> droppable = this.newDroppable("droppable");
this.add(droppable);
// Droppable ListView //
droppable.add(new ListView<String>("items", this.selectable.getModel()) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem<String> item)
{
item.add(new Label("item", item.getModelObject()));
}
});
}
// Methods //
@Override
public void renderHead(IHeaderResponse response)
{
super.renderHead(response);
response.render(new StyleSheetPackageHeaderItem(DraggableSelectablePage.class));
}
// Factories //
/**
* Gets a new Droppable.
* By default 'over' and 'exit' ('out') events are disabled to minimize client/server round-trips.
*/
private Droppable<?> newDroppable(String id)
{
return new Droppable<Void>(id) {
private static final long serialVersionUID = 1L;
@Override
public void onDrop(AjaxRequestTarget target, Component component)
{
info(String.format("Dropped %s", selectable.getModelObject()));
target.add(feedback);
target.add(this); // refresh the listview
}
};
}
}
<!DOCTYPE html>
<html xmlns:wicket="http://wicket.apache.org">
<head>
<wicket:head>
<title>Wicket jQuery UI: selectable (draggable)</title>
</wicket:head>
</head>
<body>
<wicket:extend>
<div class="ui-widget-content">
<ul wicket:id="droppable" class="ui-corner-all">
<li wicket:id="items">
<span wicket:id="item">[label]</span>
</li>
</ul>
<ul wicket:id="selectable">
<li wicket:id="items">
<span wicket:id="drag">[icon]</span>
<span wicket:id="item">[label]</span>
</li>
</ul>
<div wicket:id="feedback" style="width: 480px;"></div>
</div>
</wicket:extend>
</body>
</html>
.ui-droppable {
width: 180px;
height: 180px;
padding: .5em;
margin: .5em;
float: right;
background-color: #9cf;
}
.ui-droppable li {
list-style-type: none;
margin: 2px;
padding: 3px;
background: #F39814;
color: white;
}
.ui-selectable {
list-style-type: none;
margin: 1em;
padding: 0;
width: 30%;
height: 180px;
border: 1px solid #FECA40;
}
.ui-selecting {
background: #FECA40;
}
.ui-selected {
background: #F39814;
color: white;
}
.ui-selectable li {
margin: 2px;
padding: 3px;
}