in progress cross-filtering
parent
16d9feffe0
commit
a208b37791
@ -1,4 +1,4 @@
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eclipse.preferences.version=1
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lastWarOutDir=/home/francescomangiacrapa/git/geoportal-data-viewer-app/target/geoportal-data-viewer-app-3.4.0-SNAPSHOT
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lastWarOutDir=/home/francescomangiacrapa/git/geoportal-data-viewer-app/target/geoportal-data-viewer-app-3.5.0-SNAPSHOT
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warSrcDir=src/main/webapp
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warSrcDirIsOutput=false
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@ -0,0 +1,320 @@
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package org.gcube.portlets.user.geoportaldataviewer.client.ui.crossfiltering;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.List;
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import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
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import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.CrossFilteringLayerDV;
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import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
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import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.OLGeoJSONUtil;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wms.GeoInformationForWMSRequest;
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import com.github.gwtbootstrap.client.ui.CheckBox;
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import com.github.gwtbootstrap.client.ui.ControlGroup;
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import com.github.gwtbootstrap.client.ui.ControlLabel;
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import com.github.gwtbootstrap.client.ui.Controls;
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import com.github.gwtbootstrap.client.ui.Fieldset;
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import com.github.gwtbootstrap.client.ui.ListBox;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.event.dom.client.ChangeEvent;
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import com.google.gwt.event.dom.client.ChangeHandler;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.http.client.Request;
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import com.google.gwt.http.client.RequestBuilder;
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import com.google.gwt.http.client.RequestCallback;
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import com.google.gwt.http.client.RequestException;
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import com.google.gwt.http.client.Response;
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import com.google.gwt.json.client.JSONParser;
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import com.google.gwt.json.client.JSONString;
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import com.google.gwt.json.client.JSONValue;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.Widget;
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import ol.Feature;
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/**
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* The Class CrossFilteringLayerPanel.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* May 15, 2023
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*/
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public class CrossFilteringLayerPanel extends Composite {
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public static String COLORSCALERANGE = "COLORSCALERANGE";
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//@UiField
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//WellForm panelContainer;
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@UiField
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Fieldset fieldSet;
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private CheckBox checkbox;
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private GeoInformationForWMSRequest geoInformation;
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private static CrossFilteringLayerPanelUiBinder uiBinder = GWT.create(CrossFilteringLayerPanelUiBinder.class);
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private HandlerManager applicationBus;
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private LayerItem layerItem;
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private LinkedHashMap<Integer, HashMap<String, SelectableItem>> mapInnestedFeatures = new LinkedHashMap<Integer, HashMap<String, SelectableItem>>();
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private LinkedHashMap<Integer, List<? extends LayerIDV>> mapInnestedFiltering = new LinkedHashMap<Integer, List<? extends LayerIDV>>();
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private LinkedHashMap<Integer, List<ListBox>> mapInnestedListBoxes = new LinkedHashMap<Integer, List<ListBox>>();
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private GroupedLayersDV<? extends LayerIDV> groupedLayersDV;
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/**
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* The Interface LayerCollectionPanelUiBinder.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* Jan 16, 2023
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*/
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interface CrossFilteringLayerPanelUiBinder extends UiBinder<Widget, CrossFilteringLayerPanel> {
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}
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public class SelectableItem {
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String key;
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String parentKey;
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String itemField;
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String provenance; // layerName
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SelectableItem() {
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}
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public SelectableItem(String key, String parentKey, String itemField, String provenance) {
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super();
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this.key = key;
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this.parentKey = parentKey;
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this.itemField = itemField;
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this.provenance = provenance;
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}
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public String getKey() {
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return key;
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}
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public String getParentKey() {
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return parentKey;
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}
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public String getItemField() {
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return itemField;
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}
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public String getProvenance() {
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return provenance;
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}
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public void setKey(String key) {
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this.key = key;
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}
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public void setParentKey(String parentKey) {
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this.parentKey = parentKey;
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}
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public void setItemField(String itemField) {
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this.itemField = itemField;
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}
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public void setProvenance(String provenance) {
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this.provenance = provenance;
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}
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("SelectableItem [key=");
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builder.append(key);
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builder.append(", parentKey=");
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builder.append(parentKey);
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builder.append(", itemField=");
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builder.append(itemField);
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builder.append(", provenance=");
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builder.append(provenance);
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builder.append("]");
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return builder.toString();
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}
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}
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private void recursivelyBuildSelectableLevels(int level, List<? extends LayerIDV> layersIDV) {
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if (layersIDV == null)
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return;
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mapInnestedFiltering.put(level, layersIDV);
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for (LayerIDV layerIDV : layersIDV) {
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if (layerIDV instanceof CrossFilteringLayerDV) {
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CrossFilteringLayerDV crossFilteringLayer = (CrossFilteringLayerDV) layerIDV;
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if (crossFilteringLayer.getRelated_to() != null) {
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recursivelyBuildSelectableLevels(++level, crossFilteringLayer.getRelated_to());
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}
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}
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}
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}
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/**
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* Instantiates a new overlay custom layer panel.
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*
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* @param listGroupedLayers the layer item
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* @param applicationBus the application bus
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*/
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public CrossFilteringLayerPanel(GroupedLayersDV<? extends LayerIDV> groupedLayersDV,
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HandlerManager applicationBus) {
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initWidget(uiBinder.createAndBindUi(this));
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this.applicationBus = applicationBus;
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this.groupedLayersDV = groupedLayersDV;
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GWT.log("Building cross-filtering for: " + groupedLayersDV);
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int level = 0;
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// Building mapInnestedFiltering
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recursivelyBuildSelectableLevels(level, groupedLayersDV.getListCustomLayers());
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GWT.log("cross-filtering mapInnestedFiltering: " + mapInnestedFiltering);
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for (Integer theLevel : mapInnestedFiltering.keySet()) {
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addListBoxesLevelToPanel(theLevel, mapInnestedFiltering.get(theLevel));
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}
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// filleSelectableLevel(level, mapInnestedFiltering.get(level),
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// mapInnestedListBoxes.get(level));
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}
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private void filleSelectableLevel(int level, List<? extends LayerIDV> layersIDV, List<ListBox> listBoxes) {
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if (layersIDV == null)
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return;
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HashMap<String, SelectableItem> mapSelectableFeatures = mapInnestedFeatures.get(level);
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if (mapSelectableFeatures == null) {
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mapSelectableFeatures = new HashMap<String, SelectableItem>();
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HashMap<String, SelectableItem> mapFeatures = new HashMap<String, SelectableItem>();
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for (LayerIDV layerIDV : layersIDV) {
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if (layerIDV instanceof CrossFilteringLayerDV) {
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CrossFilteringLayerDV crossFilteringLayer = (CrossFilteringLayerDV) layerIDV;
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String wfsURL = crossFilteringLayer.getWFS_URL();
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RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, wfsURL);
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try {
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Request response = builder.sendRequest(null, new RequestCallback() {
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public void onError(Request request, Throwable exception) {
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// Code omitted for clarity
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}
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public void onResponseReceived(Request request, Response response) {
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JSONString json = new JSONString(response.getText());
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JSONValue parser = JSONParser.parse(response.getText());
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Feature[] features = OLGeoJSONUtil.readGeoJsonFeatures(MAP_PROJECTION.EPSG_4326,
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response.getText());
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for (Feature feature : features) {
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String key = feature.get(crossFilteringLayer.getTable_key_field());
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String parentKey = feature.get(crossFilteringLayer.getTable_parent_key_field());
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String itemField = feature.get(crossFilteringLayer.getTable_show_field());
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parentKey = parentKey == null ? "" : parentKey;
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SelectableItem selectableItem = new SelectableItem(key, parentKey, itemField,
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crossFilteringLayer.getName());
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String mapKey = "root_" + parentKey + key;
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mapFeatures.put(mapKey, selectableItem);
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}
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}
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});
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} catch (RequestException e) {
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// Code omitted for clarity
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}
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}
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}
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mapSelectableFeatures.putAll(mapFeatures);
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}
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fillListBoxLevel(level, mapSelectableFeatures, listBoxes);
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// mapInnestedFeatures.put(level, mapSelectableFeatures);
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}
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private void addListBoxesLevelToPanel(int level, List<? extends LayerIDV> layersIDV) {
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if (layersIDV == null)
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return;
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List<ListBox> listBoxes = new ArrayList<ListBox>(layersIDV.size());
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for (LayerIDV layerIDV : layersIDV) {
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ControlGroup cg = new ControlGroup();
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ControlLabel cl = new ControlLabel(layerIDV.getTitle());
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Controls controls = new Controls();
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ListBox listBox = new ListBox();
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listBox.addItem("Select " + layerIDV.getTitle() + " ...");
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listBoxes.add(listBox);
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controls.add(listBox);
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cg.add(cl);
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cg.add(controls);
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fieldSet.add(cg);
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}
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mapInnestedListBoxes.put(level, listBoxes);
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}
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private void fillListBoxLevel(int level, HashMap<String, SelectableItem> mapSelectableFeatures,
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List<ListBox> listBoxes) {
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if (mapSelectableFeatures == null)
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return;
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ListBox listBox = listBoxes.get(0); // Expected one
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for (String key : mapSelectableFeatures.keySet()) {
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SelectableItem selItem = mapSelectableFeatures.get(key);
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listBox.addItem(selItem.getItemField(), key);
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}
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listBox.addChangeHandler(new ChangeHandler() {
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@Override
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public void onChange(ChangeEvent event) {
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loadInnerLevel(level);
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}
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});
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}
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private void loadInnerLevel(int level) {
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// TODO Auto-generated method stub
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}
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// public void resetCurrentSearch() {
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// searchField.setText("");
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// resetSearch.setVisible(false);
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// panelResults.clear();
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// latestResult = null;
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// appManagerBus.fireEvent(new SearchPerformedEvent(profileID, null, true));
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// setSearchEnabled(false);
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// }
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}
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@ -0,0 +1,22 @@
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<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
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<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"
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xmlns:g="urn:import:com.google.gwt.user.client.ui"
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xmlns:b="urn:import:com.github.gwtbootstrap.client.ui">
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<ui:style>
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.important {
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font-weight: bold;
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}
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.margin-left-10 {
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margin-left: 10px;
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}
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</ui:style>
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<g:HTMLPanel>
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<g:ScrollPanel>
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<b:Form ui:field="panelForm">
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<b:Fieldset ui:field="fieldSet">
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</b:Fieldset>
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</b:Form>
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</g:ScrollPanel>
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</g:HTMLPanel>
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</ui:UiBinder>
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@ -0,0 +1,55 @@
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package org.gcube.portlets.user.geoportaldataviewer.client.ui.util;
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import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
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import ol.Feature;
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import ol.OLFactory;
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import ol.format.GeoJson;
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import ol.format.GeoJsonFeatureOptions;
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import ol.format.GeoJsonOptions;
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import ol.proj.Projection;
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import ol.proj.ProjectionOptions;
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/**
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* The Class OLGeoJSONUtil.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* May 25, 2023
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*/
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public class OLGeoJSONUtil {
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/**
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* Builds the geo JSON.
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*
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* @param projection the projection
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* @param geoJSONString the geo JSON string
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* @return the geo json
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*/
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public static GeoJson buildGeoJSON(MAP_PROJECTION projection, String geoJSONString) {
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GeoJsonFeatureOptions fo = new GeoJsonFeatureOptions();
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ProjectionOptions projectionOptions = new ProjectionOptions();
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projectionOptions.setCode(projection.getName());
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Projection fp = new Projection(projectionOptions);
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fo.setFeatureProjection(fp);
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fo.setDataProjection(fp);
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GeoJsonOptions geoJsonOpt = new GeoJsonOptions();
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geoJsonOpt.setDefaultDataProjection(fp);
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geoJsonOpt.setFeatureProjection(fp);
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return OLFactory.createGeoJSON(geoJsonOpt);
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}
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/**
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* Read geo json features.
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*
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* @param projection the projection
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* @param geoJSONString the geo JSON string
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* @return the feature[]
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*/
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public static Feature[] readGeoJsonFeatures(MAP_PROJECTION projection, String geoJSONString) {
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GeoJson geoJson = buildGeoJSON(projection, geoJSONString);
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return geoJson.readFeatures(geoJSONString);
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}
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}
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Loading…
Reference in New Issue