/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
* (c) 2001 - 2014 OpenPlans
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.web.data.layergroup;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.CheckBox;
import org.apache.wicket.markup.html.panel.Fragment;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.markup.repeater.DefaultItemReuseStrategy;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.geoserver.catalog.LayerGroupInfo;
import org.geoserver.catalog.LayerInfo;
import org.geoserver.catalog.PublishedInfo;
import org.geoserver.catalog.StyleInfo;
import org.geoserver.web.wicket.GeoServerDataProvider.Property;
import org.geoserver.web.wicket.GeoServerDataProvider.PropertyPlaceholder;
import org.geoserver.web.wicket.GeoServerDialog;
import org.geoserver.web.wicket.GeoServerTablePanel;
import org.geoserver.web.wicket.HelpLink;
import org.geoserver.web.wicket.ImageAjaxLink;
import org.geoserver.web.wicket.ParamResourceModel;
import org.geoserver.web.wicket.ReorderableTablePanel;
import org.geoserver.web.wicket.SimpleAjaxLink;
import org.geoserver.web.wicket.UpDownPanel;
/**
* Allows to edit the list of layers contained in a layer group
*/
@SuppressWarnings("serial")
public class LayerGroupEntryPanel extends Panel {
public static Property<LayerGroupEntry> LAYER = new PropertyPlaceholder<LayerGroupEntry>(
"layer");
public static Property<LayerGroupEntry> DEFAULT_STYLE = new PropertyPlaceholder<LayerGroupEntry>(
"defaultStyle");
public static Property<LayerGroupEntry> STYLE = new PropertyPlaceholder<LayerGroupEntry>(
"style");
public static Property<LayerGroupEntry> REMOVE = new PropertyPlaceholder<LayerGroupEntry>(
"remove");
static List PROPERTIES = Arrays.asList(LAYER, DEFAULT_STYLE, STYLE, REMOVE);
ModalWindow popupWindow;
GeoServerTablePanel<LayerGroupEntry> layerTable;
List<LayerGroupEntry> items;
GeoServerDialog dialog;
public LayerGroupEntryPanel( String id, LayerGroupInfo layerGroup ) {
super( id );
items = new ArrayList<LayerGroupEntry>();
for ( int i = 0; i < layerGroup.getLayers().size(); i++ ) {
PublishedInfo layer = layerGroup.getLayers().get( i );
StyleInfo style = layerGroup.getStyles().get( i );
items.add( new LayerGroupEntry( layer, style ) );
}
add( popupWindow = new ModalWindow( "popup" ) );
add(dialog = new GeoServerDialog("dialog"));
add(new HelpLink("layersHelp").setDialog(dialog));
//layers
add(layerTable = new ReorderableTablePanel<LayerGroupEntry>("layers", items, PROPERTIES) {
@Override
protected Component getComponentForProperty(String id, IModel itemModel,
Property<LayerGroupEntry> property) {
if (property == LAYER) {
return layerLink( id, itemModel );
}
if (property == DEFAULT_STYLE) {
return defaultStyleCheckbox( id, itemModel );
}
if (property == STYLE) {
return styleLink( id, itemModel );
}
if (property == REMOVE) {
return removeLink( id, itemModel );
}
return null;
}
}.setFilterable( false ));
layerTable.setItemReuseStrategy(new DefaultItemReuseStrategy());
layerTable.setOutputMarkupId( true );
add( new AjaxLink( "addLayer" ) {
@Override
public void onClick(AjaxRequestTarget target) {
popupWindow.setInitialHeight( 375 );
popupWindow.setInitialWidth( 525 );
popupWindow.setTitle(new ParamResourceModel("chooseLayer", this));
popupWindow.setContent( new LayerListPanel(popupWindow.getContentId()) {
@Override
protected void handleLayer(LayerInfo layer, AjaxRequestTarget target) {
popupWindow.close( target );
items.add(
new LayerGroupEntry( layer, layer.getDefaultStyle() ) );
//getCatalog().save( lg );
target.addComponent( layerTable );
}
});
popupWindow.show(target);
}
});
add( new AjaxLink( "addLayerGroup" ) {
@Override
public void onClick(AjaxRequestTarget target) {
popupWindow.setInitialHeight( 375 );
popupWindow.setInitialWidth( 525 );
popupWindow.setTitle(new ParamResourceModel("chooseLayerGroup", this));
popupWindow.setContent( new LayerGroupListPanel(popupWindow.getContentId()) {
@Override
protected void handleLayerGroup(LayerGroupInfo layerGroup, AjaxRequestTarget target) {
popupWindow.close( target );
items.add(
new LayerGroupEntry( layerGroup, null ) );
target.addComponent( layerTable );
}
});
popupWindow.show(target);
}
});
}
public List<LayerGroupEntry> getEntries() {
return items;
}
Component layerLink(String id, IModel itemModel) {
LayerGroupEntry entry = (LayerGroupEntry) itemModel.getObject();
return new Label( id, entry.getLayer().prefixedName());
}
Component defaultStyleCheckbox(String id, IModel itemModel) {
final LayerGroupEntry entry = (LayerGroupEntry) itemModel.getObject();
Fragment f = new Fragment(id, "defaultStyle", this);
CheckBox ds = new CheckBox("checkbox", new Model(entry.isDefaultStyle()));
ds.add(new OnChangeAjaxBehavior() {
@Override
protected void onUpdate(AjaxRequestTarget target) {
Boolean useDefault = (Boolean) getComponent().getDefaultModelObject();
entry.setDefaultStyle(useDefault);
target.addComponent(layerTable);
}
});
f.add(ds);
return f;
}
Component styleLink(String id, final IModel itemModel) {
// decide if the style is the default and the current style name
LayerGroupEntry entry = (LayerGroupEntry) itemModel.getObject();
String styleName = null;
boolean defaultStyle = true;
if(entry.getStyle() != null) {
styleName = entry.getStyle().getName();
defaultStyle = false;
} else if(entry.getLayer() instanceof LayerInfo) {
LayerInfo layer = (LayerInfo) entry.getLayer();
if (layer.getDefaultStyle() != null) {
styleName = layer.getDefaultStyle().getName();
}
}
// build and returns the link, but disable it if the style is the default
SimpleAjaxLink link = new SimpleAjaxLink( id, new Model(styleName)) {
@Override
public void onClick(AjaxRequestTarget target) {
popupWindow.setInitialHeight( 375 );
popupWindow.setInitialWidth( 525 );
popupWindow.setTitle(new ParamResourceModel("chooseStyle", this));
popupWindow.setContent( new StyleListPanel( popupWindow.getContentId() ) {
@Override
protected void handleStyle(StyleInfo style, AjaxRequestTarget target) {
popupWindow.close( target );
LayerGroupEntry entry = (LayerGroupEntry) itemModel.getObject();
entry.setStyle( style );
//redraw
target.addComponent( layerTable );
}
});
popupWindow.show(target);
}
};
link.getLink().setEnabled(!defaultStyle);
return link;
}
Component removeLink(String id, IModel itemModel) {
final LayerGroupEntry entry = (LayerGroupEntry) itemModel.getObject();
ImageAjaxLink link = new ImageAjaxLink( id, new ResourceReference( getClass(), "../../img/icons/silk/delete.png") ) {
@Override
protected void onClick(AjaxRequestTarget target) {
items.remove( entry );
target.addComponent( layerTable );
}
};
link.getImage().add(new AttributeModifier("alt", true, new ParamResourceModel("AbstractLayerGroupPage.th.remove", link)));
return link;
}
Component positionPanel(String id, IModel itemModel) {
ParamResourceModel upTitle = new ParamResourceModel("moveToBottom", this);
ParamResourceModel downTitle = new ParamResourceModel("moveToBottom", this);
return new UpDownPanel<LayerGroupEntry>(id, (LayerGroupEntry) itemModel.getObject(), items,
layerTable, upTitle, downTitle);
}
}