/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
* (c) 2001 - 2013 OpenPlans
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.web.wicket.property;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.form.FormComponent;
import org.apache.wicket.markup.html.form.FormComponentPanel;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.CompoundPropertyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.util.ListModel;
import org.apache.wicket.validation.IValidationError;
import org.apache.wicket.validation.ValidationError;
import org.springframework.util.StringUtils;
/**
* Form component panel for editing {@link Properties} property.
*
* @author Justin Deoliveira, OpenGeo
*/
public class PropertyEditorFormComponent extends FormComponentPanel<Properties> {
ListView<Tuple> listView;
List<Tuple> invalidTuples=null;
public PropertyEditorFormComponent(String id) {
super(id);
init();
}
public PropertyEditorFormComponent(String id, IModel<Properties> model) {
super(id, model);
init();
}
void init() {
final WebMarkupContainer container = new WebMarkupContainer("container");
container.setOutputMarkupId(true);
add(container);
listView = new ListView<Tuple>("list") {
@Override
protected void populateItem(ListItem<Tuple> item) {
item.setModel(new CompoundPropertyModel<Tuple>(item.getModelObject()));
item.add(new TextField("key").add(new AjaxFormComponentUpdatingBehavior("onblur"){
@Override
protected void onUpdate(AjaxRequestTarget target) {
}
}));
item.add(new TextField("value").add(new AjaxFormComponentUpdatingBehavior("onblur") {
@Override
protected void onUpdate(AjaxRequestTarget target) {
}
}));
item.add(new AjaxLink<Tuple>("remove", item.getModel()) {
@Override
public void onClick(AjaxRequestTarget target) {
List l = ((List)listView.getDefaultModelObject());
l.remove(getModelObject());
target.addComponent(container);
}
});
}
};
//listView.setReuseItems(true);
container.add(listView);
add(new AjaxLink("add") {
@Override
public void onClick(AjaxRequestTarget target) {
((List)listView.getDefaultModelObject()).add(new Tuple());
target.addComponent(container);
}
});
}
List<Tuple> tuples() {
if (invalidTuples!=null)
return invalidTuples;
Properties props = getModelObject();
if (props == null) {
props = new Properties();
}
List<Tuple> tuples = new ArrayList<Tuple>();
for (Map.Entry e : props.entrySet()) {
tuples.add(new Tuple((String)e.getKey(), (String)e.getValue()));
}
Collections.sort(tuples);
return tuples;
}
@Override
protected void onBeforeRender() {
listView.setModel(new ListModel<Tuple>(tuples()));
super.onBeforeRender();
}
@Override
protected void convertInput() {
for (Iterator it = listView.iterator(); it.hasNext();) {
ListItem item = (ListItem) it.next();
((FormComponent)item.get("key")).updateModel();
((FormComponent)item.get("value")).updateModel();
}
Properties props = getModelObject();
if (props == null) {
props = new Properties();
}
props.clear();
for (Tuple t : listView.getModelObject()) {
props.put(t.getKey(), t.getValue());
}
setConvertedInput(props);
}
@Override
public void validate() {
invalidTuples=null;
for (Tuple t : listView.getModelObject()) {
if (StringUtils.hasLength(t.getKey())== false) {
invalidTuples=listView.getModelObject();
error((IValidationError)new ValidationError().addMessageKey("KeyRequired"));
return;
}
if (StringUtils.hasLength(t.getValue())== false) {
invalidTuples=listView.getModelObject();
error((IValidationError)new ValidationError().addMessageKey("ValueRequired"));
return;
}
}
super.validate();
}
static class Tuple implements Serializable, Comparable<Tuple> {
private static final long serialVersionUID = 1L;
private String key;
private String value;
public Tuple() {
}
public Tuple(String key, String value) {
this.key = key;
this.value = value;
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
@Override
public int compareTo(Tuple o) {
return key != null ? key.compareTo(o.key) :
o.key == null ? 0 : -1;
}
}
}