teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5993:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5993:  * documentation coming with Dive4Elements River for details.
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui.fixation;
raimund@2505: 
raimund@2505: import com.google.gwt.core.client.GWT;
sascha@3366: import com.google.gwt.i18n.client.DateTimeFormat;
sascha@3366: import com.google.gwt.i18n.client.NumberFormat;
sascha@3366: import com.google.gwt.json.client.JSONNumber;
sascha@3366: import com.google.gwt.json.client.JSONObject;
sascha@3366: import com.google.gwt.json.client.JSONString;
raimund@2505: import com.google.gwt.user.client.rpc.AsyncCallback;
raimund@2505: 
sascha@3366: import com.smartgwt.client.types.Alignment;
raimund@2505: import com.smartgwt.client.util.SC;
sascha@3366: import com.smartgwt.client.widgets.Button;
raimund@2505: import com.smartgwt.client.widgets.Canvas;
sascha@3366: import com.smartgwt.client.widgets.HTMLPane;
sascha@3366: import com.smartgwt.client.widgets.Img;
sascha@3366: import com.smartgwt.client.widgets.events.ClickEvent;
sascha@3366: import com.smartgwt.client.widgets.events.ClickHandler;
sascha@3366: import com.smartgwt.client.widgets.events.ResizedEvent;
sascha@3366: import com.smartgwt.client.widgets.events.ResizedHandler;
raimund@2505: import com.smartgwt.client.widgets.form.DynamicForm;
raimund@2517: import com.smartgwt.client.widgets.form.fields.TextItem;
raimund@2517: import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
sascha@3366: import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
sascha@3366: import com.smartgwt.client.widgets.layout.HLayout;
sascha@3366: import com.smartgwt.client.widgets.layout.VLayout;
raimund@2517: import com.smartgwt.client.widgets.tab.Tab;
raimund@2517: import com.smartgwt.client.widgets.tab.TabSet;
raimund@2505: 
teichmann@5835: import org.dive4elements.river.client.client.Config;
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.client.services.FixingsOverviewService;
teichmann@5835: import org.dive4elements.river.client.client.services.FixingsOverviewServiceAsync;
teichmann@5835: import org.dive4elements.river.client.client.ui.AbstractUIProvider;
teichmann@7281: import org.dive4elements.river.client.shared.MapUtils;
teichmann@5835: import org.dive4elements.river.client.shared.model.Data;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataList;
teichmann@5835: import org.dive4elements.river.client.shared.model.FixAnalysisArtifact;
teichmann@5835: import org.dive4elements.river.client.shared.model.FixFilter;
teichmann@5835: import org.dive4elements.river.client.shared.model.FixingsOverviewInfo;
raimund@2505: 
sascha@3366: import java.util.Date;
sascha@3366: import java.util.HashMap;
raimund@2505: 
raimund@2505: 
raimund@2505: /**
raimund@2505:  * This UIProvider creates helper panel for fixation analysis without input
raimund@2505:  * elements.
raimund@2505:  *
raimund@2505:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@2505:  */
raimund@2505: public abstract class FixationPanel
raimund@2517: extends               AbstractUIProvider
raimund@2517: implements            ResizedHandler
raimund@2505: {
christian@4568:     private static final long serialVersionUID = -3667553404493415619L;
christian@4568: 
tom@8856:     protected static HashMap<String, FixationPanel> instances =
tom@8856:         new HashMap<String, FixationPanel>();
raimund@2505: 
raimund@2505:     /** The message class that provides i18n strings. */
raimund@2505:     protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
raimund@2505: 
raimund@2505:     protected FixingsOverviewServiceAsync overviewService =
raimund@2505:         GWT.create(FixingsOverviewService.class);
raimund@2505: 
felix@3861:     protected String htmlOverview;
raimund@2505:     protected FixingsOverviewInfo fixInfo;
raimund@2517:     protected TabSet tabs;
raimund@2517:     protected Tab events;
raimund@2517:     protected Tab chart;
raimund@2517:     protected VLayout chartContainer;
raimund@2517:     protected Img chartImg;
sascha@2923:     protected TextItem kmText;
raimund@2505: 
tom@8856:     public static final DateTimeFormat DTF = DateTimeFormat.getFormat(
tom@8856:         "dd.MM.yyyy");
ingo@2962: 
ingo@2962: 
raimund@2505:     public FixationPanel() {
raimund@2517:         chartImg = new Img();
raimund@2505:         htmlOverview = "";
raimund@2505:     }
raimund@2505: 
christian@4568: 
felix@3861:     /** Get the (master) artifact UUID. */
raimund@2505:     protected String getArtifactUuid() {
raimund@2505:         return this.artifact.getUuid();
raimund@2505:     }
raimund@2505: 
raimund@2505:     protected void init() {
raimund@2505:     }
raimund@2505: 
christian@4568:     @Override
raimund@2505:     public Data[] getData() {
raimund@2505:         return null;
raimund@2505:     }
raimund@2505: 
christian@4568:     @Override
raimund@2505:     public Canvas create(DataList list) {
raimund@2505:         VLayout layout = new VLayout();
raimund@2505: 
raimund@2505:         Canvas helper = createHelper();
raimund@2505:         this.helperContainer.addMember(helper);
raimund@2505: 
raimund@2505:         Canvas submit = getNextButton();
raimund@2505:         Canvas widget = createWidget(list);
raimund@2505: 
raimund@2505:         layout.addMember(widget);
raimund@2505:         layout.addMember(submit);
raimund@2505:         return layout;
raimund@2505:     }
raimund@2505: 
christian@4568:     @Override
raimund@2505:     public Canvas createOld(DataList list) {
raimund@2505:         return new DynamicForm();
raimund@2505:     }
raimund@2505: 
raimund@2505:     protected Canvas createHelper() {
raimund@2505:         Config config    = Config.getInstance();
raimund@2505:         String locale    = config.getLocale ();
raimund@2505: 
raimund@2517:         tabs = new TabSet();
raimund@2517:         events = new Tab(MESSAGES.events());
raimund@2517:         chart = new Tab(MESSAGES.kmchart());
raimund@2517: 
raimund@2517:         chartContainer = new VLayout();
raimund@2517:         Canvas scroll = createChartHelper();
raimund@2517: 
raimund@2517:         VLayout layout = new VLayout();
raimund@2517:         layout.addResizedHandler(this);
raimund@2517:         layout.addMember(chartContainer);
raimund@2517:         layout.addMember(scroll);
raimund@2517:         layout.setAlign(Alignment.CENTER);
raimund@2517:         chart.setPane(layout);
raimund@2517: 
raimund@2517:         final HTMLPane eventPane = new HTMLPane();
raimund@2505: 
raimund@2505:         String river = artifact.getArtifactDescription().getRiver();
raimund@2505:         createCallback();
sascha@2914: 
raimund@2505:         String callBack = "fixationCallback(this.checked, this.name)";
felix@4148: 
felix@4148:         if (this.artifact instanceof FixAnalysisArtifact == false)
felix@4148:             return chartContainer;
felix@4148: 
raimund@2884:         FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
raimund@2884: 
raimund@2505:         overviewService.generateOverview(
raimund@2505:             locale,
raimund@2505:             artifact.getUuid(),
teichmann@7281:             MapUtils.toJavaEncodedString(getOverviewFilter(art.getFilter())),
raimund@2505:             renderCheckboxes(),
raimund@2505:             callBack,
raimund@2505:             new AsyncCallback<FixingsOverviewInfo>() {
christian@4568:                 @Override
raimund@2505:                 public void onFailure(Throwable caught) {
raimund@2505:                     GWT.log("Could not receive overview.");
raimund@2505:                     SC.warn(caught.getMessage());
raimund@2505:                 }
christian@4568:                 @Override
raimund@2505:                 public void onSuccess(FixingsOverviewInfo info) {
raimund@2505:                     GWT.log("Successfully loaded overview.");
raimund@2505:                     fixInfo = info;
raimund@2505:                     htmlOverview = info.getHTML();
raimund@2884:                     FixAnalysisArtifact art = (FixAnalysisArtifact)artifact;
sascha@2923:                     FixFilter filter = art.getFilter();
sascha@2923:                     filter.setRiver(info.getRiver());
raimund@3362:                     if (filter.getCurrentKm() == -Double.MAX_VALUE ||
raimund@3362:                         filter.getCurrentKm() == -1d) {
sascha@2923:                         filter.setCurrentKm(info.getFrom());
sascha@2923:                         filter.setToKm(info.getTo());
sascha@2923:                     }
sascha@2923:                     if (kmText != null) {
raimund@3362:                         NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@3362:                         try {
raimund@3362:                             double d = Double.valueOf(filter.getCurrentKm());
raimund@3362:                             kmText.setValue(nf.format(d));
raimund@3362:                         } catch (NumberFormatException e) {
raimund@3362:                             kmText.setValue(filter.getCurrentKm());
raimund@3362:                         }
sascha@2923:                     }
raimund@2517:                     eventPane.setContents(htmlOverview);
raimund@2517:                     updateChartTab(fixInfo.getFrom());
raimund@2517:                     events.setPane(eventPane);
raimund@2537:                     success();
raimund@2505:                 }
raimund@2505:             });
raimund@2505: 
raimund@2517:         tabs.addTab(events);
raimund@2517:         tabs.addTab(chart);
raimund@2505: 
raimund@2517:         return tabs;
raimund@2505:     }
raimund@2505: 
raimund@2517: 
raimund@2517:     protected Canvas createChartHelper() {
raimund@2517:         DynamicForm form = new DynamicForm();
raimund@2517:         Button lower = new Button("<<");
raimund@2517:         lower.setWidth(30);
raimund@2517:         Button upper = new Button(">>");
raimund@2517:         upper.setWidth(30);
sascha@2923:         kmText = new TextItem();
sascha@2923:         kmText.setWidth(60);
sascha@2923:         kmText.setShowTitle(false);
raimund@3362: 
raimund@2517: 
sascha@2923:         form.setFields(kmText);
raimund@2517:         form.setWidth(60);
raimund@2517:         lower.addClickHandler(new ClickHandler() {
christian@4568:             @Override
raimund@2517:             public void onClick(ClickEvent ce) {
sascha@2923:                 FixFilter filter = updateChartTabLow();
raimund@3362:                 NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@3362:                 try {
raimund@3362:                     double d = Double.valueOf(filter.getCurrentKm());
raimund@3362:                     kmText.setValue(nf.format(d));
raimund@3362:                 } catch (NumberFormatException e) {
raimund@3362:                     kmText.setValue(filter.getCurrentKm());
raimund@3362:                 }
raimund@2517:             }
raimund@2517:         });
raimund@2517: 
raimund@2517:         upper.addClickHandler(new ClickHandler() {
christian@4568:             @Override
raimund@2517:             public void onClick(ClickEvent ce) {
sascha@2923:                 FixFilter filter = updateChartTabUp();
raimund@3362:                 NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@3362:                 try {
raimund@3362:                     double d = Double.valueOf(filter.getCurrentKm());
raimund@3362:                     kmText.setValue(nf.format(d));
raimund@3362:                 } catch (NumberFormatException e) {
raimund@3362:                     kmText.setValue(filter.getCurrentKm());
raimund@3362:                 }
raimund@2517:             }
raimund@2517:         });
raimund@2517: 
sascha@2923:         kmText.addChangedHandler(new ChangedHandler() {
christian@4568:             @Override
raimund@2517:             public void onChanged(ChangedEvent ce) {
raimund@2517:                 //TODO: get current value.
raimund@3362:                 if(ce.getItem().getValue() != null) {
raimund@3362:                     NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@2517:                     try {
raimund@3362:                         double d = nf.parse(ce.getItem().getValue().toString());
sascha@2923:                         updateChartTab(d);
raimund@2517:                     }
raimund@2517:                     catch(NumberFormatException nfe) {
raimund@2517:                         // Do nothing.
raimund@2517:                     }
raimund@2517:                 }
raimund@2517:             }
raimund@2517:         });
raimund@2517: 
raimund@2517:         HLayout layout = new HLayout();
raimund@2517:         layout.setAlign(Alignment.CENTER);
raimund@2517: 
raimund@2517:         layout.addMember(lower);
raimund@2517:         layout.addMember(form);
raimund@2517:         layout.addMember(upper);
raimund@2517:         return layout;
raimund@2517:     }
raimund@2517: 
raimund@2517:     protected void updateChartTab(double km) {
raimund@2517:         Config config    = Config.getInstance();
raimund@2517:         String locale    = config.getLocale ();
raimund@2517: 
raimund@2884:         FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
sascha@2923: 
sascha@2923:         if (fixInfo != null) {
sascha@2923:             if (km < fixInfo.getFrom()) km = fixInfo.getFrom();
sascha@2923:             if (km > fixInfo.getTo())   km = fixInfo.getTo();
raimund@2884:         }
sascha@2923: 
sascha@2923:         FixFilter filter = art.getFilter();
sascha@2923: 
sascha@2923:         if (km < filter.getFromKm()) km = filter.getFromKm();
sascha@2923:         if (km > filter.getToKm())   km = filter.getToKm();
sascha@2923: 
sascha@2923:         filter.setCurrentKm(km);
raimund@2901: 
raimund@2901:         int hWidth = helperContainer.getWidth() - 12;
raimund@2901:         int hHeight = helperContainer.getHeight() - 62;
raimund@2901: 
sascha@2922:         if ((int)(hHeight *4f/3) < hWidth) {
sascha@2922:             hWidth = (int)(hHeight * 4f/3);
raimund@2901:         }
raimund@2901:         else {
sascha@2922:             hHeight = (int)(hWidth *3f/4);
raimund@2901:         }
raimund@2901: 
raimund@2517:         String imgUrl = GWT.getModuleBaseURL();
raimund@2517:         imgUrl += "fixings-km-chart";
raimund@2517:         imgUrl += "?locale=" + locale;
ingo@2962:         imgUrl += "&filter=" + getChartFilter(filter, hWidth, hHeight);
raimund@2517: 
sascha@2922:         if (chartContainer.hasMember(chartImg)) {
sascha@2922:             chartImg.setWidth(hWidth);
sascha@2922:             chartImg.setHeight(hHeight);
sascha@2922:             chartImg.setSrc(imgUrl);
sascha@2922:         }
sascha@2922:         else {
sascha@2922:             chartImg = new Img(imgUrl, hWidth, hHeight);
sascha@2922:             chartContainer.addMember(chartImg);
sascha@2922:         }
raimund@2517:     }
raimund@2517: 
raimund@2517: 
sascha@2923:     protected FixFilter updateChartTabLow() {
raimund@2884:         FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
raimund@2884: 
sascha@2923:         FixFilter filter = art.getFilter();
sascha@2923: 
sascha@2923:         double curr = filter.getCurrentKm();
sascha@2923:         if (curr > filter.getFromKm()) {
raimund@2517:             double newVal = (curr - 0.1) * 10;
raimund@2517:             long round = Math.round(newVal);
raimund@2517:             updateChartTab(((double)round) / 10);
raimund@2517:         }
sascha@2923:         return filter;
raimund@2517:     }
raimund@2517: 
raimund@2517: 
sascha@2923:     protected FixFilter updateChartTabUp() {
raimund@2884:         FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
raimund@2884: 
sascha@2923:         FixFilter filter = art.getFilter();
sascha@2923: 
sascha@2923:         double curr = filter.getCurrentKm();
sascha@2923:         if (curr < filter.getToKm()) {
raimund@2517:             double newVal = (curr + 0.1) * 10;
raimund@2517:             long round = Math.round(newVal);
raimund@2517:             updateChartTab(((double)round) / 10);
raimund@2517:         }
sascha@2923:         return filter;
raimund@2517:     }
raimund@2517: 
raimund@2517: 
christian@4568:     @Override
raimund@2517:     public void onResized(ResizedEvent re) {
raimund@2884:         FixAnalysisArtifact art = (FixAnalysisArtifact) this.artifact;
raimund@2884: 
raimund@2884:         updateChartTab(art.getFilter().getCurrentKm());
raimund@2517:     }
raimund@2517: 
raimund@2517: 
raimund@2505:     private native void createCallback() /*-{
teichmann@5835:         $wnd.fixationCallback = @org.dive4elements.river.client.client.ui.fixation.FixationPanel::helperCallback(ZLjava/lang/String;);
raimund@2505:     }-*/;
raimund@2505: 
raimund@2505:     private static void helperCallback(boolean checked, String name) {
raimund@2505:         String[] parts = name.split(":");
raimund@2505:         String uuid = parts[0];
raimund@2505:         String cid = parts[1];
ingo@2962: 
raimund@2505:         FixationPanel p = FixationPanel.getInstance(uuid);
raimund@2505:         if (p != null) {
raimund@2505:             p.setValues(cid, checked);
raimund@2505:         }
raimund@2505:     }
raimund@2505: 
raimund@2505:     private static FixationPanel getInstance(String uuid) {
sascha@2923:         return instances.get(uuid);
raimund@2505:     }
raimund@2505: 
raimund@2505:     public abstract Canvas createWidget(DataList data);
raimund@2505:     public abstract void setValues(String cid, boolean checked);
raimund@2505:     public abstract boolean renderCheckboxes();
raimund@2537:     public abstract void success();
raimund@2517: 
raimund@2517: 
felix@5334:     /** Creates JSON string from filter. */
ingo@2962:     public static String getOverviewFilter(FixFilter filter) {
ingo@2962:         String river = filter.getRiver();
raimund@2517: 
ingo@2962:         if (river != null && river.length() > 0) {
ingo@2962:             JSONObject jfix = new JSONObject();
ingo@2962:             JSONObject jfilter = new JSONObject();
ingo@2962:             JSONObject jrName = new JSONObject();
ingo@2962:             JSONString jrValue = new JSONString(river);
ingo@2962:             jrName.put("name", jrValue);
ingo@2962:             jfilter.put("river", jrName);
ingo@2962:             jfix.put("fixings", createFilter(filter, jfilter));
ingo@2962:             return jfix.toString();
raimund@2517:         }
ingo@2962:         return "";
ingo@2962:     }
raimund@2517: 
ingo@2962:     public String getChartFilter(FixFilter filter, int width, int height) {
ingo@2962:         String river     = filter.getRiver();
ingo@2962:         double currentKm = filter.getCurrentKm();
ingo@2962:         double fromKm    = filter.getFromKm();
ingo@2962:         double toKm      = filter.getToKm();
raimund@2517: 
ingo@2962:         if (river != null && river.length() > 0 &&
ingo@2962:             currentKm >= fromKm && currentKm <= toKm)
ingo@2962:         {
ingo@2962:             JSONObject jfix = new JSONObject();
ingo@2962:             JSONObject jfilter = new JSONObject();
ingo@2962:             JSONObject jrName = new JSONObject();
ingo@2962:             JSONString jrValue = new JSONString(river);
ingo@2962:             JSONObject jkm = new JSONObject();
ingo@2962:             JSONNumber jkmValue = new JSONNumber(currentKm);
ingo@2962:             JSONObject jextent = new JSONObject();
ingo@2962:             JSONNumber jwidth = new JSONNumber(width);
ingo@2962:             JSONNumber jheight = new JSONNumber(height);
ingo@2962: 
ingo@2962:             jkm.put("value", jkmValue);
ingo@2962:             jrName.put("name", jrValue);
ingo@2962:             jfilter.put("river", jrName);
ingo@2962:             jfilter.put("km", jkm);
ingo@2962:             jextent.put("width", jwidth);
ingo@2962:             jextent.put("height", jheight);
ingo@2962:             jfilter.put("extent", jextent);
ingo@2962:             jfix.put("fixings", createFilter(filter, jfilter));
ingo@2962:             return jfix.toString();
raimund@2517:         }
ingo@2962:         return "";
ingo@2962:     }
raimund@2517: 
tom@8856:     protected static JSONObject createFilter(
tom@8856:         FixFilter filter,
tom@8856:         JSONObject root
tom@8856:     ) {
ingo@2962:         double fromKm = filter.getFromKm();
ingo@2962:         double toKm   = filter.getToKm();
rrenkert@8400:         boolean hasDate = filter.hasDate();
raimund@2517: 
ingo@2962:         if (fromKm >= 0 && toKm >= 0 && fromKm <= toKm) {
ingo@2962:             JSONObject range = new JSONObject();
ingo@2962:             JSONObject fromtokm = new JSONObject();
ingo@2962:             JSONNumber f = new JSONNumber(fromKm);
ingo@2962:             JSONNumber t = new JSONNumber(toKm);
ingo@2962:             fromtokm.put("from", f);
ingo@2962:             fromtokm.put("to", t);
ingo@2962:             root.put("range", fromtokm);
raimund@2517:         }
raimund@2517: 
ingo@2962:         JSONObject and = new JSONObject();
ingo@2962:         if (hasDate) {
ingo@2962:             long fromDate = filter.getFromDate();
ingo@2962:             long toDate   = filter.getToDate();
raimund@2517: 
ingo@2962:             Date df = new Date(fromDate);
ingo@2962:             Date dt = new Date(toDate);
raimund@2884: 
ingo@2962:             JSONObject daterange = new JSONObject();
ingo@2962:             JSONString f = new JSONString(DTF.format(df));
ingo@2962:             JSONString t = new JSONString(DTF.format(dt));
ingo@2962: 
ingo@2962:             daterange.put("from", f);
ingo@2962:             daterange.put("to", t);
ingo@2962:             and.put("date-range", daterange);
raimund@2517:         }
raimund@2517: 
ingo@2962:         int fromClass = filter.getFromClass();
ingo@2962:         int toClass   = filter.getToClass();
ingo@2962: 
ingo@2962:         if (fromClass >= 0 && toClass >= 0 && fromClass <= toClass) {
ingo@2962:             JSONObject classrange = new JSONObject();
ingo@2962:             JSONNumber f = new JSONNumber(fromClass);
ingo@2962:             JSONNumber t = new JSONNumber(toClass);
ingo@2962: 
ingo@2962:             classrange.put("from", f);
ingo@2962:             classrange.put("to", t);
ingo@2962:             and.put("sector-range", classrange);
ingo@2962:         }
ingo@2962: 
ingo@2962:         int[] events = filter.getEvents();
ingo@2962: 
ingo@2962:         if (events.length > 0) {
ingo@2962:             StringBuilder cids = new StringBuilder();
ingo@2962: 
ingo@2962:             for (int i = 0; i < events.length; i++) {
ingo@2962:                 if (i > 0) cids.append(' ');
ingo@2962:                 cids.append(events[i]);
raimund@2884:             }
ingo@2962:             JSONObject columns = new JSONObject();
ingo@2962:             columns.put("cids", new JSONString(cids.toString()));
ingo@2962:             and.put("columns", columns);
raimund@2517:         }
ingo@2962:         if (and.size() > 0) {
ingo@2962:             JSONObject jFilter = new JSONObject();
ingo@2962:             jFilter.put("and", and);
ingo@2962:             root.put("filter", jFilter);
ingo@2962:         }
ingo@2962:         return root;
raimund@2517:     }
raimund@2505: }
felix@3861: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :