raimund@2505: package de.intevation.flys.client.client.ui.fixation;
raimund@2505: 
raimund@2505: import java.util.HashMap;
raimund@2517: import java.util.Date;
raimund@2517: import java.lang.Math;
raimund@2517: 
raimund@2517: import java.lang.NumberFormatException;
raimund@2505: 
raimund@2505: import com.google.gwt.core.client.GWT;
raimund@2505: import com.google.gwt.user.client.rpc.AsyncCallback;
raimund@2505: 
raimund@2505: import com.smartgwt.client.util.SC;
raimund@2505: 
raimund@2505: import com.smartgwt.client.widgets.Canvas;
raimund@2517: import com.smartgwt.client.widgets.Button;
raimund@2505: import com.smartgwt.client.widgets.form.DynamicForm;
raimund@2505: import com.smartgwt.client.widgets.HTMLPane;
raimund@2505: import com.smartgwt.client.widgets.layout.VLayout;
raimund@2517: import com.smartgwt.client.widgets.layout.HLayout;
raimund@2517: import com.smartgwt.client.widgets.form.fields.TextItem;
raimund@2517: import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
raimund@2517: import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
raimund@2517: import com.smartgwt.client.widgets.events.ClickHandler;
raimund@2517: import com.smartgwt.client.widgets.events.ClickEvent;
raimund@2517: import com.smartgwt.client.widgets.events.ResizedHandler;
raimund@2517: import com.smartgwt.client.widgets.events.ResizedEvent;
raimund@2517: import com.smartgwt.client.widgets.form.validator.IsFloatValidator;
raimund@2517: import com.smartgwt.client.types.Alignment;
raimund@2517: 
raimund@2517: import com.smartgwt.client.widgets.tab.Tab;
raimund@2517: import com.smartgwt.client.widgets.tab.TabSet;
raimund@2517: import com.smartgwt.client.widgets.Img;
raimund@2505: 
raimund@2505: import de.intevation.flys.client.client.FLYSConstants;
raimund@2505: import de.intevation.flys.client.client.ui.AbstractUIProvider;
raimund@2505: 
raimund@2505: import de.intevation.flys.client.client.Config;
raimund@2505: 
raimund@2505: import de.intevation.flys.client.shared.model.Data;
raimund@2505: import de.intevation.flys.client.shared.model.DataList;
raimund@2505: import de.intevation.flys.client.shared.model.FixingsOverviewInfo;
raimund@2505: 
raimund@2505: import de.intevation.flys.client.client.services.FixingsOverviewService;
raimund@2505: import de.intevation.flys.client.client.services.FixingsOverviewServiceAsync;
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: {
raimund@2505:     protected static HashMap<String, FixationPanel> instances = 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: 
raimund@2505:     protected String   htmlOverview;
raimund@2505:     protected FixingsOverviewInfo fixInfo;
raimund@2517:     protected FixFilter fixFilter;
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;
raimund@2505: 
raimund@2505:     public FixationPanel() {
raimund@2517:         fixFilter = new FixFilter();
raimund@2517:         chartImg = new Img();
raimund@2505:         htmlOverview = "";
raimund@2505:     }
raimund@2505: 
raimund@2505:     protected String getArtifactUuid() {
raimund@2505:         return this.artifact.getUuid();
raimund@2505:     }
raimund@2505: 
raimund@2505:     protected void init() {
raimund@2505: 
raimund@2505:     }
raimund@2505: 
raimund@2505:     public Data[] getData() {
raimund@2505:         return null;
raimund@2505:     }
raimund@2505: 
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: 
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@2526:         fixFilter.setRiver(river);
raimund@2505:         createCallback();
raimund@2505: /*
raimund@2505: Filter example.
raimund@2505: {"fixings": { "river": { "name": "Elbe"}, "range": {"from": 1, "to": 200}, "filter": {"and": { "column": {"cid": 1}, "column": {"cid": 2} } }}
raimund@2505: */
raimund@2505:         String callBack = "fixationCallback(this.checked, this.name)";
raimund@2505: 
raimund@2505:         overviewService.generateOverview(
raimund@2505:             locale,
raimund@2505:             artifact.getUuid(),
raimund@2526:             fixFilter.getOverviewFilter(),
raimund@2505:             renderCheckboxes(),
raimund@2505:             callBack,
raimund@2505:             new AsyncCallback<FixingsOverviewInfo>() {
raimund@2505:                 public void onFailure(Throwable caught) {
raimund@2505:                     GWT.log("Could not receive overview.");
raimund@2505:                     SC.warn(caught.getMessage());
raimund@2505:                 }
raimund@2505:                 public void onSuccess(FixingsOverviewInfo info) {
raimund@2505:                     GWT.log("Successfully loaded overview.");
raimund@2505:                     fixInfo = info;
raimund@2505:                     htmlOverview = info.getHTML();
raimund@2517:                     fixFilter.setRiver(info.getRiver());
raimund@2517:                     fixFilter.setCurrentKm(1d);
raimund@2517:                     fixFilter.setFromKm(info.getFrom());
raimund@2517:                     fixFilter.setToKm(info.getTo());
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: 
raimund@2517: 
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);
raimund@2517:         final TextItem currentkm = new TextItem();
raimund@2517:         currentkm.setWidth(60);
raimund@2517:         currentkm.setShowTitle(false);
raimund@2517:         currentkm.setValidators(new IsFloatValidator());
raimund@2517: 
raimund@2517:         form.setFields(currentkm);
raimund@2517:         form.setWidth(60);
raimund@2517:         lower.addClickHandler(new ClickHandler() {
raimund@2517:             public void onClick(ClickEvent ce) {
raimund@2517:                 updateChartTabLow();
raimund@2517:                 currentkm.setValue(fixFilter.getCurrentKm());
raimund@2517:             }
raimund@2517:         });
raimund@2517: 
raimund@2517:         upper.addClickHandler(new ClickHandler() {
raimund@2517:             public void onClick(ClickEvent ce) {
raimund@2517:                 updateChartTabUp();
raimund@2517:                 currentkm.setValue(fixFilter.getCurrentKm());
raimund@2517:             }
raimund@2517:         });
raimund@2517: 
raimund@2517:         currentkm.addChangedHandler(new ChangedHandler() {
raimund@2517:             public void onChanged(ChangedEvent ce) {
raimund@2517:                 //TODO: get current value.
raimund@2517:                 if(ce.getForm().validate() && ce.getItem().getValue() != null) {
raimund@2517:                     try {
raimund@2517:                         String s = ce.getItem().getValue().toString();
raimund@2517:                         Double d = new Double(s);
raimund@2517:                         updateChartTab(d.doubleValue());
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@2517:         fixFilter.setCurrentKm(km);
raimund@2517:         chartContainer.removeMember(chartImg);
raimund@2517:         String imgUrl = GWT.getModuleBaseURL();
raimund@2517:         imgUrl += "fixings-km-chart";
raimund@2517:         imgUrl += "?locale=" + locale;
raimund@2517:         imgUrl += "&filter=" + fixFilter.getChartFilter(helperContainer.getWidth() - 12, (int)(helperContainer.getWidth()*3/4) - 12);
raimund@2517: 
raimund@2517:         chartImg = new Img(imgUrl, helperContainer.getWidth() - 12, (int)(helperContainer.getWidth()*3/4) - 12);
raimund@2517:         chartContainer.addMember(chartImg);
raimund@2517: 
raimund@2517:     }
raimund@2517: 
raimund@2517: 
raimund@2517:     protected void updateChartTabLow() {
raimund@2517:         double curr = fixFilter.getCurrentKm();
raimund@2517:         if (curr > fixFilter.getFromKm()) {
raimund@2517:             double newVal = (curr - 0.1) * 10;
raimund@2517:             long round = Math.round(newVal);
raimund@2517:             updateChartTab(((double)round) / 10);
raimund@2517:         }
raimund@2517:         return;
raimund@2517:     }
raimund@2517: 
raimund@2517: 
raimund@2517:     protected void updateChartTabUp() {
raimund@2517:         double curr = fixFilter.getCurrentKm();
raimund@2517:         if (curr < fixFilter.getToKm()) {
raimund@2517:             double newVal = (curr + 0.1) * 10;
raimund@2517:             long round = Math.round(newVal);
raimund@2517:             updateChartTab(((double)round) / 10);
raimund@2517:         }
raimund@2517:         return;
raimund@2517:     }
raimund@2517: 
raimund@2517: 
raimund@2517:     public void onResized(ResizedEvent re) {
raimund@2517:         updateChartTab(fixFilter.getCurrentKm());
raimund@2517:     }
raimund@2517: 
raimund@2517: 
raimund@2505:     private native void createCallback() /*-{
raimund@2505:         $wnd.fixationCallback = @de.intevation.flys.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];
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) {
raimund@2505:         for (int i = 0; i < instances.size(); i++) {
raimund@2505:             if (instances.get(uuid) != null) {
raimund@2505:                 return instances.get(uuid);
raimund@2505:             }
raimund@2505:         }
raimund@2505:         return null;
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@2517:     public abstract FixFilter getFilter();
raimund@2517:     public abstract void setFilter(FixFilter filter);
raimund@2537:     public abstract void success();
raimund@2517: 
raimund@2517:     public static class FixFilter {
raimund@2517:         protected String river;
raimund@2517:         protected double fromKm;
raimund@2517:         protected double toKm;
raimund@2517:         protected double currentKm;
raimund@2517:         protected int fromClass;
raimund@2517:         protected int toClass;
raimund@2526:         protected long fromDate;
raimund@2526:         protected long toDate;
raimund@2526:         protected boolean hasDate;
raimund@2517:         protected int[] events;
raimund@2517: 
raimund@2526:         public FixFilter() {
raimund@2526:             this.river = "";
raimund@2526:             this.fromKm = -1d;
raimund@2526:             this.toKm = -1;
raimund@2526:             this.currentKm = -1;
raimund@2526:             this.fromClass = -1;
raimund@2526:             this.toClass = -1;
raimund@2526:             this.fromDate = -1;
raimund@2526:             this.toDate = -1;
raimund@2526:             this.hasDate = false;
raimund@2526:             this.events = new int[0];
raimund@2526:         }
raimund@2517: 
raimund@2517:         public void setRiver(String river) {
raimund@2517:             this.river = river;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public void setFromKm(double from) {
raimund@2517:             this.fromKm = from;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public void setToKm(double to) {
raimund@2517:             this.toKm = to;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public void setCurrentKm(double km) {
raimund@2517:             this.currentKm = km;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public void setFromClass(int from) {
raimund@2517:             this.fromClass = from;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public void setToClass(int to) {
raimund@2517:             this.toClass = to;
raimund@2517:         }
raimund@2517: 
raimund@2526:         public void setFromDate(long from) {
raimund@2526:             this.hasDate = true;
raimund@2517:             this.fromDate = from;
raimund@2517:         }
raimund@2517: 
raimund@2526:         public void setToDate(long to) {
raimund@2526:             this.hasDate = true;
raimund@2517:             this.toDate = to;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public void setEvents(int[] ev) {
raimund@2517:             this.events = ev;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public String getRiver() {
raimund@2517:             return this.river;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public double getFromKm() {
raimund@2517:             return this.fromKm;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public double getToKm() {
raimund@2517:             return this.toKm;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public double getCurrentKm() {
raimund@2517:             return this.currentKm;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public int getFromClass() {
raimund@2517:             return this.fromClass;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public int getToClass() {
raimund@2517:             return this.toClass;
raimund@2517:         }
raimund@2517: 
raimund@2526:         public long getFromDate() {
raimund@2517:             return this.fromDate;
raimund@2517:         }
raimund@2517: 
raimund@2526:         public long getToDate() {
raimund@2517:             return this.toDate;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public int[] getEvents() {
raimund@2517:             return this.events;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public String getOverviewFilter() {
raimund@2517:             String filter = "";
raimund@2517:             if (river != null && river.length() > 0) {
raimund@2517:                 filter = "{\"fixings\": {\"river\": {\"name\": \"" + river + "\"}}";
raimund@2517:                 filter += createFilter();
raimund@2517:                 filter += "}";
raimund@2517:             }
raimund@2517:             return filter;
raimund@2517:         }
raimund@2517: 
raimund@2517:         public String getChartFilter(int width, int height) {
raimund@2517:             String filter = "";
raimund@2517:             if (river != null && river.length() > 0 &&
raimund@2517:                 currentKm >= fromKm && currentKm <= toKm)
raimund@2517:             {
raimund@2517:                 filter = "{\"fixings\": "+
raimund@2517:                     "{\"river\": {\"name\": \"" + river + "\"}," +
raimund@2517:                     "\"km\": {\"value\": \"" + currentKm + "\"}," +
raimund@2517:                     "\"extent\": {\"width\": \"" + width + "\", \"height\": \"" + height + "\"}}";
raimund@2517:                 filter += createFilter();
raimund@2517:                 filter += "}";
raimund@2517:             }
raimund@2517:             return filter;
raimund@2517:         }
raimund@2517: 
raimund@2517:         protected String createFilter() {
raimund@2517:             //TODO create filter...
raimund@2517:            return "";
raimund@2517:         }
raimund@2517:     }
raimund@2505: }