teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5861:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5861:  * documentation coming with Dive4Elements River for details. 
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui.chart;
raimund@2906: 
raimund@2935: import java.util.Map;
raimund@2935: import java.util.HashMap;
raimund@2935: 
sascha@2911: import com.google.gwt.core.client.GWT;
raimund@3362: import com.google.gwt.i18n.client.NumberFormat;
raimund@2906: 
sascha@2911: import com.smartgwt.client.types.Alignment;
sascha@2911: 
sascha@2911: import com.smartgwt.client.widgets.Button;
sascha@2911: import com.smartgwt.client.widgets.Canvas;
sascha@2911: 
sascha@2911: import com.smartgwt.client.widgets.events.ClickEvent;
sascha@2911: import com.smartgwt.client.widgets.events.ClickHandler;
sascha@2911: 
sascha@2911: import com.smartgwt.client.widgets.form.DynamicForm;
sascha@2911: 
sascha@2911: import com.smartgwt.client.widgets.form.fields.TextItem;
sascha@2911: 
raimund@2918: import com.smartgwt.client.widgets.form.fields.events.KeyPressEvent;
raimund@2918: import com.smartgwt.client.widgets.form.fields.events.KeyPressHandler;
sascha@2911: 
raimund@2906: import com.smartgwt.client.widgets.layout.HLayout;
raimund@2906: import com.smartgwt.client.widgets.layout.VLayout;
raimund@2906: 
sascha@2911: import com.smartgwt.client.widgets.tab.events.TabSelectedEvent;
raimund@2906: import com.smartgwt.client.widgets.tab.events.TabSelectedHandler;
raimund@2906: 
teichmann@5835: import org.dive4elements.river.client.client.Config;
sascha@2911: 
teichmann@5835: import org.dive4elements.river.client.client.ui.CollectionView;
teichmann@5835: 
teichmann@5835: import org.dive4elements.river.client.shared.model.Artifact;
teichmann@5835: import org.dive4elements.river.client.shared.model.Collection;
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.OutputMode;
sascha@2911: 
sascha@2911: import java.util.Date;
raimund@2906: 
felix@4310: 
raimund@2906: /**
felix@4320:  * Tab representing and showing one Chart-output with a "navi" thing.
raimund@2906:  *
raimund@2906:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
raimund@2906:  */
raimund@2906: public class NaviChartOutputTab
raimund@2906: extends      ChartOutputTab
raimund@2906: implements   TabSelectedHandler
raimund@2906: {
raimund@2906:     protected TextItem currentkm;
raimund@2906: 
raimund@2906:     public NaviChartOutputTab(
raimund@2906:         String         title,
raimund@2906:         Collection     collection,
raimund@2906:         OutputMode     mode,
raimund@2906:         CollectionView collectionView
raimund@2906:     ){
raimund@2906:         super(title, collection, mode, collectionView);
raimund@2906:         right.removeChild(chart);
raimund@2906:         right.addChild(createNaviChart());
raimund@2906:         collectionView.registerTabHandler(this);
raimund@2906:     }
raimund@2906: 
raimund@2906: 
raimund@2906:     protected Canvas createNaviChart() {
raimund@2906:         final Artifact art = collectionView.getArtifact();
raimund@2906:         VLayout root = new VLayout();
raimund@2906:         root.setWidth100();
raimund@2906:         root.setHeight100();
raimund@2906: 
raimund@2906:         HLayout layout = new HLayout();
raimund@2906:         layout.setAlign(Alignment.CENTER);
raimund@2906: 
raimund@2906:         DynamicForm form = new DynamicForm();
raimund@2906:         Button lower = new Button("<<");
raimund@2906:         lower.setWidth(30);
raimund@2906:         Button upper = new Button(">>");
raimund@2906:         upper.setWidth(30);
raimund@2906:         currentkm = new TextItem();
raimund@2906:         currentkm.setWidth(60);
raimund@2906:         currentkm.setShowTitle(false);
raimund@2906: 
raimund@2906:         form.setFields(currentkm);
raimund@2906:         form.setWidth(60);
raimund@2906: 
felix@4320:         double fromKm;
felix@4320:         double toKm;
felix@4320: 
felix@4320:         if (art instanceof FixAnalysisArtifact) {
felix@4320:             FixAnalysisArtifact fix = (FixAnalysisArtifact) art;
felix@4320:             FixFilter fixFilter = fix.getFilter();
rrenkert@4866:             String s = fix.getArtifactDescription().getDataValueAsString("ld_step");
felix@4320:             try {
felix@4320:                 double ds = Double.parseDouble(s);
felix@4320:                 collectionView.setSteps(ds);
felix@4320:             }
felix@4320:             catch(NumberFormatException nfe) {
felix@4320:                 collectionView.setSteps(100d);
felix@4320:             }
felix@4320:             fromKm = fixFilter.getFromKm();
felix@4320:             toKm   = fixFilter.getToKm();
raimund@2906:         }
felix@4320:         else {
felix@4320:             // Probably WINFOArtifact kind of artifact.
felix@4322:             String ld_step =
felix@4322:                     art.getArtifactDescription().getDataValueAsString("ld_step");
felix@4322:             try {
felix@4322:                 collectionView.setSteps(Double.valueOf(ld_step));
felix@4322:             }
felix@4322:             catch (Exception e) {
felix@4322:                 GWT.log("No ld_steps data or not parsable.");
felix@4322:                 return root;
felix@4322:             }
felix@4322: 
felix@4322:             double[] kmRange = art.getArtifactDescription().getKMRange();
felix@4322:             if (kmRange == null || kmRange.length == 2) {
felix@4322:                 fromKm = kmRange[0];
felix@4322:                 toKm   = kmRange[1];
felix@4322:             }
felix@4322:             else {
felix@4322:                 GWT.log("No KM range in description found.");
felix@4322:                 return root;
felix@4322:             }
raimund@2906:         }
felix@4320: 
felix@4320:         collectionView.setMinKm(fromKm);
felix@4320:         collectionView.setMaxKm(toKm);
raimund@2906: 
felix@4319:         final NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@2906:         if (collectionView.getCurrentKm() == -1d) {
raimund@3362:             try {
felix@4320:                 double d = Double.valueOf(fromKm);
raimund@3362:                 currentkm.setValue(nf.format(d));
raimund@3362:             } catch (NumberFormatException e) {
felix@4320:                 currentkm.setValue(fromKm);
raimund@3362:             }
felix@4320:             collectionView.setCurrentKm(fromKm);
raimund@2906:         }
raimund@2906:         else {
raimund@3362:             try {
felix@4320:                 double d = Double.valueOf(fromKm);
raimund@3362:                 currentkm.setValue(nf.format(d));
raimund@3362:             } catch (NumberFormatException e) {
felix@4320:                 currentkm.setValue(fromKm);
raimund@3362:             }
raimund@2906:             currentkm.setValue(collectionView.getCurrentKm());
raimund@2906:         }
raimund@2906: 
raimund@2906:         lower.addClickHandler(new ClickHandler() {
raimund@2906:             public void onClick(ClickEvent ce) {
raimund@2936:                 tbarPanel.deselectControls();
raimund@2906:                 updateChartDown();
raimund@3362:                 try {
raimund@3362:                     double d = Double.valueOf(collectionView.getCurrentKm());
raimund@3362:                     currentkm.setValue(nf.format(d));
raimund@3362:                 } catch (NumberFormatException e) {
raimund@3362:                     currentkm.setValue(collectionView.getCurrentKm());
raimund@3362:                 }
raimund@2906:             }
raimund@2906:         });
raimund@2906: 
raimund@2906:         upper.addClickHandler(new ClickHandler() {
raimund@2906:             public void onClick(ClickEvent ce) {
raimund@2936:                 tbarPanel.deselectControls();
raimund@2906:                 updateChartUp();
raimund@3362:                 try {
raimund@3362:                     double d = Double.valueOf(collectionView.getCurrentKm());
raimund@3362:                     currentkm.setValue(nf.format(d));
raimund@3362:                 } catch (NumberFormatException e) {
raimund@3362:                     currentkm.setValue(collectionView.getCurrentKm());
raimund@3362:                 }
raimund@2906:             }
raimund@2906:         });
raimund@2906: 
raimund@2918:         currentkm.addKeyPressHandler(new KeyPressHandler() {
raimund@2918:             public void onKeyPress(KeyPressEvent kpe) {
raimund@2918:                 if (!kpe.getKeyName().equals("Enter")) {
raimund@2918:                     return;
raimund@2918:                 }
raimund@3362:                 if(kpe.getItem().getValue() != null) {
raimund@2936:                     tbarPanel.deselectControls();
raimund@2906:                     try {
raimund@2918:                         String s = kpe.getItem().getValue().toString();
raimund@3362:                         double d;
raimund@3362:                         try {
raimund@3362:                             d = nf.parse(s);
raimund@3362:                             currentkm.setValue(nf.format(d));
raimund@3362:                         } catch (NumberFormatException e) {
raimund@3362:                             d = -1d;
raimund@3362:                         }
raimund@2918:                         if (d <= collectionView.getMaxKm() &&
raimund@2918:                             d >= collectionView.getMinKm()) {
raimund@2906:                             collectionView.setCurrentKm(d);
raimund@3499:                             tbarPanel.updateLinks();
raimund@2906:                             if (right != null) {
raimund@2906:                                 updateChartPanel();
raimund@2906:                                 updateChartInfo();
raimund@2906:                             }
raimund@2906:                         }
raimund@2906:                     }
raimund@2906:                     catch(NumberFormatException nfe) {
raimund@2906:                         // Do nothing.
raimund@2906:                     }
raimund@2906:                 }
raimund@2906:             }
raimund@2906:         });
raimund@2906:         layout.addMember(lower);
raimund@2906:         layout.addMember(form);
raimund@2906:         layout.addMember(upper);
raimund@2906: 
raimund@2906:         root.addMember(chart);
raimund@2906:         root.addMember(layout);
raimund@2906:         return root;
raimund@2906:     }
raimund@2906: 
raimund@2906: 
felix@4321:     /** Callback when km-up-button is clicked.
felix@4321:      * Increases collectionViews KM and refreshes view. */
raimund@2906:     protected void updateChartUp() {
raimund@2906:         double currentKm = collectionView.getCurrentKm();
raimund@2906:         if (currentKm < collectionView.getMaxKm()) {
felix@4321:             // Why this math?
raimund@2906:             double newVal = currentKm * 100;
raimund@2906:             newVal += (collectionView.getSteps() / 10);
raimund@2906:             collectionView.setCurrentKm((double)Math.round(newVal) / 100);
raimund@3499:             tbarPanel.updateLinks();
raimund@2906:             updateChartPanel();
raimund@2906:             updateChartInfo();
raimund@2906:         }
raimund@2906:     }
felix@4321: 
felix@4321:     /** Callback when km-down-button is clicked.
felix@4321:      * Decreases collectionViews KM and refreshes view. */
raimund@2906:     protected void updateChartDown() {
raimund@2906:         double currentKm = collectionView.getCurrentKm();
raimund@2906:         if (currentKm > collectionView.getMinKm()) {
felix@4321:             // Why this math?
raimund@2906:             double newVal = currentKm * 100;
raimund@2906:             newVal -= (collectionView.getSteps() / 10);
raimund@2906:             collectionView.setCurrentKm((double)Math.round(newVal) / 100);
raimund@3499:             tbarPanel.updateLinks();
raimund@2906:             updateChartPanel();
raimund@2906:             updateChartInfo();
raimund@2906:         }
raimund@2906: 
raimund@2906:     }
raimund@2906: 
raimund@2936:    /**
raimund@2936:      * Returns the existing chart panel.
raimund@2936:      *
raimund@2936:      * @return the existing chart panel.
raimund@2936:      */
raimund@2936:     @Override
raimund@2936:     public Canvas getChartPanel() {
raimund@2936:         return chart;
raimund@2936:     }
raimund@2936: 
raimund@2906:     /**
raimund@2906:      * Builds the URL that points to the chart image.
raimund@2906:      *
raimund@2906:      * @param width The width of the requested chart.
raimund@2906:      * @param height The height of the requested chart.
raimund@2906:      * @param xr Optional x range (used for zooming).
raimund@2906:      * @param yr Optional y range (used for zooming).
raimund@2906:      *
raimund@2906:      * @return the URL to the chart image.
raimund@2906:      */
raimund@2906:     @Override
raimund@2906:     protected String getImgUrl(int width, int height) {
raimund@2906:         Config config = Config.getInstance();
raimund@2906: 
raimund@2906:         String imgUrl = GWT.getModuleBaseURL();
raimund@2906:         imgUrl += "chart";
raimund@2906:         imgUrl += "?uuid=" + collection.identifier();
raimund@2906:         imgUrl += "&type=" + mode.getName();
raimund@2906:         imgUrl += "&locale=" + config.getLocale();
raimund@2906:         imgUrl += "&timestamp=" + new Date().getTime();
raimund@2906:         imgUrl += "&width=" + Integer.toString(width);
raimund@2906:         imgUrl += "&height=" + Integer.toString(height - 40);
raimund@2906: 
raimund@2906:         Number[] zoom = getZoomValues();
raimund@2906: 
raimund@2906:         if (zoom != null) {
raimund@2906:             if (zoom[0].intValue() != 0 || zoom[1].intValue() != 1) {
raimund@2906:                 // a zoom range of 0-1 means displaying the whole range. In such
raimund@2906:                 // case we don't need to zoom.
raimund@2906:                 imgUrl += "&minx=" + zoom[0];
raimund@2906:                 imgUrl += "&maxx=" + zoom[1];
raimund@2906:             }
raimund@2906: 
raimund@2906:             if (zoom[2].intValue() != 0 || zoom[3].intValue() != 1) {
raimund@2906:                 // a zoom range of 0-1 means displaying the whole range. In such
raimund@2906:                 // case we don't need to zoom.
raimund@2906:                 imgUrl += "&miny=" + zoom[2];
raimund@2906:                 imgUrl += "&maxy=" + zoom[3];
raimund@2906:             }
raimund@2906:         }
raimund@2906: 
felix@4322:         if (collectionView.getArtifact() instanceof FixAnalysisArtifact) {
raimund@2906:             if (collectionView.getCurrentKm() == -1) {
raimund@2906:                 FixAnalysisArtifact fix =
raimund@2906:                     (FixAnalysisArtifact) collectionView.getArtifact();
raimund@2906:                 collectionView.setCurrentKm(fix.getFilter().getFromKm());
raimund@2906:             }
felix@4322:         }
felix@4322:         else if (collectionView.getCurrentKm() == -1) {
felix@4322:             collectionView.setCurrentKm(collectionView.getArtifact().getArtifactDescription().getKMRange()[0]);
felix@4322:         }
felix@4322:         if (collectionView.getCurrentKm() != -1) {
raimund@2906:             imgUrl += "&currentKm=" + collectionView.getCurrentKm();
raimund@2906:         }
raimund@2906: 
raimund@2906:         return imgUrl;
raimund@2906:     }
raimund@2906: 
raimund@2906:     public void onTabSelected(TabSelectedEvent tse) {
raimund@2906:         if (this.equals(tse.getTab())) {
raimund@2906:             updateChartPanel();
raimund@2906:             updateChartInfo();
raimund@2906:             currentkm.setValue(collectionView.getCurrentKm());
raimund@2906:         }
raimund@2906:     }
raimund@2906: 
raimund@2935:     @Override
raimund@2935:     public Map<String, String> getChartAttributes() {
raimund@2935:         Map<String, String> attr = new HashMap<String, String>();
raimund@2935: 
raimund@2935:         attr = super.getChartAttributes();
raimund@2935:         attr.put("km", String.valueOf(collectionView.getCurrentKm()));
raimund@2935: 
raimund@2935:         return attr;
raimund@2935:     }
raimund@2906: }
felix@4310: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :