321 lines
9.5 KiB
Java
321 lines
9.5 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client.ui.crossfiltering;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.HashMap;
|
|
import java.util.LinkedHashMap;
|
|
import java.util.List;
|
|
|
|
import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
|
|
import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.CrossFilteringLayerDV;
|
|
import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
|
|
import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
|
|
import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.OLGeoJSONUtil;
|
|
import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
|
|
import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wms.GeoInformationForWMSRequest;
|
|
|
|
import com.github.gwtbootstrap.client.ui.CheckBox;
|
|
import com.github.gwtbootstrap.client.ui.ControlGroup;
|
|
import com.github.gwtbootstrap.client.ui.ControlLabel;
|
|
import com.github.gwtbootstrap.client.ui.Controls;
|
|
import com.github.gwtbootstrap.client.ui.Fieldset;
|
|
import com.github.gwtbootstrap.client.ui.ListBox;
|
|
import com.google.gwt.core.client.GWT;
|
|
import com.google.gwt.event.dom.client.ChangeEvent;
|
|
import com.google.gwt.event.dom.client.ChangeHandler;
|
|
import com.google.gwt.event.shared.HandlerManager;
|
|
import com.google.gwt.http.client.Request;
|
|
import com.google.gwt.http.client.RequestBuilder;
|
|
import com.google.gwt.http.client.RequestCallback;
|
|
import com.google.gwt.http.client.RequestException;
|
|
import com.google.gwt.http.client.Response;
|
|
import com.google.gwt.json.client.JSONParser;
|
|
import com.google.gwt.json.client.JSONString;
|
|
import com.google.gwt.json.client.JSONValue;
|
|
import com.google.gwt.uibinder.client.UiBinder;
|
|
import com.google.gwt.uibinder.client.UiField;
|
|
import com.google.gwt.user.client.ui.Composite;
|
|
import com.google.gwt.user.client.ui.Widget;
|
|
|
|
import ol.Feature;
|
|
|
|
/**
|
|
* The Class CrossFilteringLayerPanel.
|
|
*
|
|
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
|
|
*
|
|
* May 15, 2023
|
|
*/
|
|
public class CrossFilteringLayerPanel extends Composite {
|
|
|
|
public static String COLORSCALERANGE = "COLORSCALERANGE";
|
|
|
|
//@UiField
|
|
//WellForm panelContainer;
|
|
|
|
@UiField
|
|
Fieldset fieldSet;
|
|
|
|
private CheckBox checkbox;
|
|
|
|
private GeoInformationForWMSRequest geoInformation;
|
|
|
|
private static CrossFilteringLayerPanelUiBinder uiBinder = GWT.create(CrossFilteringLayerPanelUiBinder.class);
|
|
|
|
private HandlerManager applicationBus;
|
|
|
|
private LayerItem layerItem;
|
|
|
|
private LinkedHashMap<Integer, HashMap<String, SelectableItem>> mapInnestedFeatures = new LinkedHashMap<Integer, HashMap<String, SelectableItem>>();
|
|
|
|
private LinkedHashMap<Integer, List<? extends LayerIDV>> mapInnestedFiltering = new LinkedHashMap<Integer, List<? extends LayerIDV>>();
|
|
|
|
private LinkedHashMap<Integer, List<ListBox>> mapInnestedListBoxes = new LinkedHashMap<Integer, List<ListBox>>();
|
|
|
|
private GroupedLayersDV<? extends LayerIDV> groupedLayersDV;
|
|
|
|
/**
|
|
* The Interface LayerCollectionPanelUiBinder.
|
|
*
|
|
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
|
|
*
|
|
* Jan 16, 2023
|
|
*/
|
|
interface CrossFilteringLayerPanelUiBinder extends UiBinder<Widget, CrossFilteringLayerPanel> {
|
|
}
|
|
|
|
public class SelectableItem {
|
|
String key;
|
|
String parentKey;
|
|
String itemField;
|
|
|
|
String provenance; // layerName
|
|
|
|
SelectableItem() {
|
|
|
|
}
|
|
|
|
public SelectableItem(String key, String parentKey, String itemField, String provenance) {
|
|
super();
|
|
this.key = key;
|
|
this.parentKey = parentKey;
|
|
this.itemField = itemField;
|
|
this.provenance = provenance;
|
|
}
|
|
|
|
public String getKey() {
|
|
return key;
|
|
}
|
|
|
|
public String getParentKey() {
|
|
return parentKey;
|
|
}
|
|
|
|
public String getItemField() {
|
|
return itemField;
|
|
}
|
|
|
|
public String getProvenance() {
|
|
return provenance;
|
|
}
|
|
|
|
public void setKey(String key) {
|
|
this.key = key;
|
|
}
|
|
|
|
public void setParentKey(String parentKey) {
|
|
this.parentKey = parentKey;
|
|
}
|
|
|
|
public void setItemField(String itemField) {
|
|
this.itemField = itemField;
|
|
}
|
|
|
|
public void setProvenance(String provenance) {
|
|
this.provenance = provenance;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
StringBuilder builder = new StringBuilder();
|
|
builder.append("SelectableItem [key=");
|
|
builder.append(key);
|
|
builder.append(", parentKey=");
|
|
builder.append(parentKey);
|
|
builder.append(", itemField=");
|
|
builder.append(itemField);
|
|
builder.append(", provenance=");
|
|
builder.append(provenance);
|
|
builder.append("]");
|
|
return builder.toString();
|
|
}
|
|
|
|
}
|
|
|
|
private void recursivelyBuildSelectableLevels(int level, List<? extends LayerIDV> layersIDV) {
|
|
|
|
if (layersIDV == null)
|
|
return;
|
|
|
|
mapInnestedFiltering.put(level, layersIDV);
|
|
|
|
for (LayerIDV layerIDV : layersIDV) {
|
|
if (layerIDV instanceof CrossFilteringLayerDV) {
|
|
CrossFilteringLayerDV crossFilteringLayer = (CrossFilteringLayerDV) layerIDV;
|
|
|
|
if (crossFilteringLayer.getRelated_to() != null) {
|
|
recursivelyBuildSelectableLevels(++level, crossFilteringLayer.getRelated_to());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Instantiates a new overlay custom layer panel.
|
|
*
|
|
* @param listGroupedLayers the layer item
|
|
* @param applicationBus the application bus
|
|
*/
|
|
public CrossFilteringLayerPanel(GroupedLayersDV<? extends LayerIDV> groupedLayersDV,
|
|
HandlerManager applicationBus) {
|
|
initWidget(uiBinder.createAndBindUi(this));
|
|
this.applicationBus = applicationBus;
|
|
this.groupedLayersDV = groupedLayersDV;
|
|
GWT.log("Building cross-filtering for: " + groupedLayersDV);
|
|
|
|
int level = 0;
|
|
// Building mapInnestedFiltering
|
|
recursivelyBuildSelectableLevels(level, groupedLayersDV.getListCustomLayers());
|
|
|
|
GWT.log("cross-filtering mapInnestedFiltering: " + mapInnestedFiltering);
|
|
|
|
for (Integer theLevel : mapInnestedFiltering.keySet()) {
|
|
addListBoxesLevelToPanel(theLevel, mapInnestedFiltering.get(theLevel));
|
|
}
|
|
|
|
// filleSelectableLevel(level, mapInnestedFiltering.get(level),
|
|
// mapInnestedListBoxes.get(level));
|
|
|
|
}
|
|
|
|
private void filleSelectableLevel(int level, List<? extends LayerIDV> layersIDV, List<ListBox> listBoxes) {
|
|
|
|
if (layersIDV == null)
|
|
return;
|
|
|
|
HashMap<String, SelectableItem> mapSelectableFeatures = mapInnestedFeatures.get(level);
|
|
|
|
if (mapSelectableFeatures == null) {
|
|
mapSelectableFeatures = new HashMap<String, SelectableItem>();
|
|
HashMap<String, SelectableItem> mapFeatures = new HashMap<String, SelectableItem>();
|
|
|
|
for (LayerIDV layerIDV : layersIDV) {
|
|
if (layerIDV instanceof CrossFilteringLayerDV) {
|
|
CrossFilteringLayerDV crossFilteringLayer = (CrossFilteringLayerDV) layerIDV;
|
|
String wfsURL = crossFilteringLayer.getWFS_URL();
|
|
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, wfsURL);
|
|
|
|
try {
|
|
|
|
Request response = builder.sendRequest(null, new RequestCallback() {
|
|
public void onError(Request request, Throwable exception) {
|
|
// Code omitted for clarity
|
|
}
|
|
|
|
public void onResponseReceived(Request request, Response response) {
|
|
JSONString json = new JSONString(response.getText());
|
|
JSONValue parser = JSONParser.parse(response.getText());
|
|
Feature[] features = OLGeoJSONUtil.readGeoJsonFeatures(MAP_PROJECTION.EPSG_4326,
|
|
response.getText());
|
|
for (Feature feature : features) {
|
|
String key = feature.get(crossFilteringLayer.getTable_key_field());
|
|
String parentKey = feature.get(crossFilteringLayer.getTable_parent_key_field());
|
|
String itemField = feature.get(crossFilteringLayer.getTable_show_field());
|
|
|
|
parentKey = parentKey == null ? "" : parentKey;
|
|
|
|
SelectableItem selectableItem = new SelectableItem(key, parentKey, itemField,
|
|
crossFilteringLayer.getName());
|
|
|
|
String mapKey = "root_" + parentKey + key;
|
|
mapFeatures.put(mapKey, selectableItem);
|
|
|
|
}
|
|
}
|
|
});
|
|
|
|
} catch (RequestException e) {
|
|
// Code omitted for clarity
|
|
}
|
|
}
|
|
}
|
|
mapSelectableFeatures.putAll(mapFeatures);
|
|
}
|
|
|
|
fillListBoxLevel(level, mapSelectableFeatures, listBoxes);
|
|
// mapInnestedFeatures.put(level, mapSelectableFeatures);
|
|
|
|
}
|
|
|
|
private void addListBoxesLevelToPanel(int level, List<? extends LayerIDV> layersIDV) {
|
|
|
|
if (layersIDV == null)
|
|
return;
|
|
|
|
List<ListBox> listBoxes = new ArrayList<ListBox>(layersIDV.size());
|
|
|
|
for (LayerIDV layerIDV : layersIDV) {
|
|
ControlGroup cg = new ControlGroup();
|
|
ControlLabel cl = new ControlLabel(layerIDV.getTitle());
|
|
Controls controls = new Controls();
|
|
ListBox listBox = new ListBox();
|
|
listBox.addItem("Select " + layerIDV.getTitle() + " ...");
|
|
listBoxes.add(listBox);
|
|
|
|
controls.add(listBox);
|
|
cg.add(cl);
|
|
cg.add(controls);
|
|
|
|
fieldSet.add(cg);
|
|
}
|
|
|
|
mapInnestedListBoxes.put(level, listBoxes);
|
|
}
|
|
|
|
private void fillListBoxLevel(int level, HashMap<String, SelectableItem> mapSelectableFeatures,
|
|
List<ListBox> listBoxes) {
|
|
|
|
if (mapSelectableFeatures == null)
|
|
return;
|
|
|
|
ListBox listBox = listBoxes.get(0); // Expected one
|
|
|
|
for (String key : mapSelectableFeatures.keySet()) {
|
|
SelectableItem selItem = mapSelectableFeatures.get(key);
|
|
listBox.addItem(selItem.getItemField(), key);
|
|
}
|
|
|
|
listBox.addChangeHandler(new ChangeHandler() {
|
|
|
|
@Override
|
|
public void onChange(ChangeEvent event) {
|
|
loadInnerLevel(level);
|
|
}
|
|
});
|
|
}
|
|
|
|
private void loadInnerLevel(int level) {
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
// public void resetCurrentSearch() {
|
|
// searchField.setText("");
|
|
// resetSearch.setVisible(false);
|
|
// panelResults.clear();
|
|
// latestResult = null;
|
|
// appManagerBus.fireEvent(new SearchPerformedEvent(profileID, null, true));
|
|
// setSearchEnabled(false);
|
|
// }
|
|
|
|
}
|