/* (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.wms.web.publish;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.ajax.markup.html.form.AjaxButton;
import org.apache.wicket.behavior.SimpleAttributeModifier;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.FormComponentPanel;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.form.validation.FormComponentFeedbackBorder;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.model.ResourceModel;
import org.geoserver.catalog.AuthorityURLInfo;
import org.geoserver.catalog.LayerGroupInfo;
import org.geoserver.catalog.LayerIdentifierInfo;
import org.geoserver.catalog.LayerInfo;
import org.geoserver.catalog.impl.LayerIdentifier;
import org.geoserver.wms.WMSInfo;
import org.springframework.util.Assert;
/**
* Shows and allows editing of the list of {@link LayerIdentifierInfo} attached to a {@code WMSInfo}
* , a {@code LayerInfo}, or a {@code LayerGroupInfo}.
*
* @author groldan
* @see WMSInfo#getIdentifiers()
* @see LayerInfo#getIdentifiers()
* @see LayerGroupInfo#getIdentifiers()
*/
public class LayerIdentifierListEditor extends FormComponentPanel<List<LayerIdentifierInfo>> {
private static final long serialVersionUID = 5098470663723800345L;
private ListView<LayerIdentifierInfo> identifiers;
private Label noMetadata;
private WebMarkupContainer table;
private List<AuthorityURLInfo> baseAuthorities;
private final AuthorityURLListEditor availableAuthoritiesProvider;
private class AuthListModel extends LoadableDetachableModel<List<String>> {
private static final long serialVersionUID = 1L;
@Override
protected List<String> load() {
List<AuthorityURLInfo> authorities = availableAuthoritiesProvider.getModelObject();
List<String> names = new ArrayList<String>(authorities.size());
for (AuthorityURLInfo auth : authorities) {
names.add(auth.getName());
}
if (baseAuthorities != null) {
for (AuthorityURLInfo baseAuth : baseAuthorities) {
names.add(baseAuth.getName());
}
}
Collections.sort(names);
return names;
}
}
/**
* @param id
* @param model
* the model over the appropriate cataloginfo's list of {@link LayerIdentifierInfo}
* @see WMSInfo#getIdentifiers()
* @see LayerInfo#getIdentifiers()
* @see LayerGroupInfo#getIdentifiers()
*/
public LayerIdentifierListEditor(final String id, final IModel<List<LayerIdentifierInfo>> list,
final AuthorityURLListEditor availableAuthoritiesProvider) {
super(id, list);
this.availableAuthoritiesProvider = availableAuthoritiesProvider;
Assert.notNull(list.getObject());
Assert.notNull(availableAuthoritiesProvider.getModelObject());
setOutputMarkupId(true);
initUI();
}
/**
* Sets a list of base authorities to populate the authority names drop down regardless of
* whether they're defined on this specific layer or not (i.e., the root layer authorities when
* editing the identifiers for a non root layer)
*/
public void setBaseAuthorities(List<AuthorityURLInfo> baseAuthorities) {
this.baseAuthorities = baseAuthorities;
}
private void initUI() {
// container for ajax updates
final WebMarkupContainer container = new WebMarkupContainer("container");
container.setOutputMarkupId(true);
add(container);
// the link list
table = new WebMarkupContainer("table");
table.setOutputMarkupId(true);
container.add(table);
identifiers = new ListView<LayerIdentifierInfo>("identifiers",
new ArrayList<LayerIdentifierInfo>(getModelObject())) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(final ListItem<LayerIdentifierInfo> item) {
// odd/even style
item.add(new SimpleAttributeModifier("class", item.getIndex() % 2 == 0 ? "even"
: "odd"));
IModel<String> authModel = new PropertyModel<String>(item.getModel(), "authority");
IModel<List<String>> authNamesModel = new AuthListModel();
// Authority name
DropDownChoice<String> authorities;
authorities = new DropDownChoice<String>("authority", authModel,
authNamesModel.getObject());
authorities.setRequired(true);
FormComponentFeedbackBorder authFeedbak = new FormComponentFeedbackBorder(
"authFeedbak");
authFeedbak.add(authorities);
item.add(authFeedbak);
// Identifier
TextField<String> identifier;
identifier = new TextField<String>("identifier", new PropertyModel<String>(
item.getModel(), "identifier"));
identifier.setRequired(true);
FormComponentFeedbackBorder idFeedbak = new FormComponentFeedbackBorder("idFeedbak");
idFeedbak.add(identifier);
item.add(idFeedbak);
// remove link
AjaxLink<Integer> link = new AjaxLink<Integer>("removeLink", new Model<Integer>(
item.getIndex())) {
private static final long serialVersionUID = 1L;
@Override
public void onClick(AjaxRequestTarget target) {
List<LayerIdentifierInfo> list = new ArrayList<LayerIdentifierInfo>(
identifiers.getModelObject());
int index = getModelObject();
list.remove(index);
identifiers.setModelObject(list);
updateLinksVisibility();
target.addComponent(container);
}
};
item.add(link);
}
};
// this is necessary to avoid loosing item contents on edit/validation checks
identifiers.setOutputMarkupId(true);
identifiers.setReuseItems(true);
table.add(identifiers);
// the no identifiers label
noMetadata = new Label("noIdentifiers", new ResourceModel("noLayerIdentifiersSoFar"));
container.add(noMetadata);
updateLinksVisibility();
// add new identifier button
AjaxButton button = new AjaxButton("addIdentifier") {
private static final long serialVersionUID = 1L;
@Override
protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
List<LayerIdentifierInfo> list = identifiers.getModelObject();
LayerIdentifierInfo newIdentifier = new LayerIdentifier();
list.add(newIdentifier);
identifiers.setModelObject(list);
updateLinksVisibility();
target.addComponent(LayerIdentifierListEditor.this);
}
};
add(button);
}
private void updateLinksVisibility() {
List<LayerIdentifierInfo> list = identifiers.getModelObject();
boolean anyLink = list.size() > 0;
table.setVisible(anyLink);
noMetadata.setVisible(!anyLink);
}
@Override
protected void convertInput() {
List<LayerIdentifierInfo> info = identifiers.getModelObject();
setConvertedInput(info);
}
/**
*/
@Override
protected void onBeforeRender() {
super.onBeforeRender();
}
}