bjoern@3715: package de.intevation.flys.client.client.ui;
bjoern@3715: 
bjoern@3828: import java.util.ArrayList;
bjoern@3828: import java.util.Iterator;
bjoern@3715: import java.util.List;
bjoern@3715: 
bjoern@3715: import com.google.gwt.core.client.GWT;
bjoern@3828: import com.google.gwt.i18n.client.NumberFormat;
bjoern@3715: import com.google.gwt.user.client.rpc.AsyncCallback;
bjoern@3828: import com.google.gwt.user.client.ui.DecoratorPanel;
bjoern@3828: import com.google.gwt.user.client.ui.Grid;
bjoern@3828: import com.google.gwt.user.client.ui.HorizontalPanel;
bjoern@3828: import com.google.gwt.user.client.ui.Label;
bjoern@3828: import com.google.gwt.user.client.ui.ScrollPanel;
bjoern@3715: import com.google.gwt.user.client.ui.Tree;
bjoern@3715: import com.google.gwt.user.client.ui.TreeItem;
bjoern@3715: 
bjoern@3715: import com.smartgwt.client.types.Overflow;
bjoern@3828: import com.smartgwt.client.widgets.events.ResizedEvent;
bjoern@3828: import com.smartgwt.client.widgets.events.ResizedHandler;
bjoern@3828: import com.smartgwt.client.widgets.layout.HLayout;
bjoern@3715: import com.smartgwt.client.widgets.layout.SectionStackSection;
bjoern@3715: import com.smartgwt.client.widgets.layout.VLayout;
bjoern@3715: 
bjoern@3715: import de.intevation.flys.client.client.FLYSConstants;
bjoern@3715: import de.intevation.flys.client.client.services.GaugeOverviewInfoService;
bjoern@3715: import de.intevation.flys.client.client.services.GaugeOverviewInfoServiceAsync;
bjoern@3715: import de.intevation.flys.client.shared.model.GaugeInfo;
bjoern@3715: import de.intevation.flys.client.shared.model.RiverInfo;
bjoern@3715: 
bjoern@3715: /**
bjoern@3715:  * The GaugePanel is intendet to be used within a SectionStackSection
bjoern@3715:  * It extends the VLayout by two methods to show and hide the
bjoern@3715:  * section stack section.
bjoern@3715:  */
bjoern@3825: public class GaugePanel extends VLayout implements ResizedHandler {
bjoern@3715: 
bjoern@3715:     /** SectionStackSection where this GaugePanel belongs in*/
bjoern@3715:     private SectionStackSection sectionStack;
bjoern@3715: 
bjoern@3715:     /** Name of the river */
bjoern@3715:     private String river;
bjoern@3715: 
bjoern@3715:     /** The message class that provides i18n strings.*/
bjoern@3715:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
bjoern@3715: 
bjoern@3715:     protected GaugeOverviewInfoServiceAsync gaugeOverviewInfoService =
bjoern@3715:         GWT.create(GaugeOverviewInfoService.class);
bjoern@3715: 
bjoern@3825:     protected GaugeTree gaugetree = new GaugeTree();
bjoern@3825: 
bjoern@3825:     protected RiverInfoPanel riverinfopanel;
bjoern@3825: 
bjoern@3715:     /**
bjoern@3715:      * Creates a new VLayout with a SectionStackSection
bjoern@3715:      * The GaugePanel's SectionStackSection is hidden by default.
bjoern@3715:      * @param sectionStack The section stack section to place the VLayout in.
bjoern@3715:      */
bjoern@3715:     public GaugePanel(SectionStackSection sectionStack) {
bjoern@3825:         setOverflow(Overflow.HIDDEN);
bjoern@3828:         sectionStack.setHidden(true);
bjoern@3715:         sectionStack.setItems(this);
bjoern@3715:         this.sectionStack = sectionStack;
bjoern@3825:         setStyleName("gaugepanel");
bjoern@3825:         addResizedHandler(this);
bjoern@3715:     }
bjoern@3715: 
bjoern@3828:     /**
bjoern@3828:      * Sets and loads the river data if river is not the current set river
bjoern@3828:      */
bjoern@3715:     public void setRiver(String river) {
bjoern@3828:         if (!river.equals(this.river)) {
bjoern@3828:             this.river = river;
bjoern@3828:             this.refresh();
bjoern@3828:         }
bjoern@3715:     }
bjoern@3715: 
bjoern@3715:     /**
bjoern@3715:      * Loads the river info and renders it afterwards
bjoern@3715:      */
bjoern@3715:     public void refresh() {
bjoern@3715:         gaugeOverviewInfoService.getRiverInfo(this.river, new AsyncCallback<RiverInfo>() {
bjoern@3715:             public void onFailure(Throwable e) {
bjoern@3715:                 GWT.log("Could not load the river info." + e);
bjoern@3715:             }
bjoern@3715: 
bjoern@3715:             public void onSuccess(RiverInfo riverinfo) {
bjoern@3715:                 GWT.log("Loaded river info");
bjoern@3715:                 renderGaugeOverviewInfo(riverinfo);
bjoern@3828:                 gaugetree.openAll();
bjoern@3715:             }
bjoern@3715:         });
bjoern@3715:     }
bjoern@3715: 
bjoern@3715:     public void renderGaugeOverviewInfo(RiverInfo riverinfo) {
bjoern@3825:         removeMembers(getMembers());
bjoern@3715: 
bjoern@3825:         riverinfopanel = new RiverInfoPanel(riverinfo);
bjoern@3825:         addMember(riverinfopanel);
bjoern@3825:         addMember(gaugetree);
bjoern@3715: 
bjoern@3828:         gaugetree.setGauges(riverinfo);
bjoern@3825:     }
bjoern@3715: 
bjoern@3825:     @Override
bjoern@3825:     public void onResized(ResizedEvent event) {
bjoern@3825:         /* this height calculation is only an approximation and doesn't reflect
bjoern@3825:          * the real height of the the gaugetree. */
bjoern@3825:         int height = getInnerContentHeight() -
bjoern@3825:             (RiverInfoPanel.HEIGHT +
bjoern@3825:             (2 * RiverInfoPanel.BORDER_WIDTH) +
bjoern@3825:             (2 * RiverInfoPanel.PADDING) +
bjoern@3825:             (2 * RiverInfoPanel.MARGIN));
bjoern@3825: 
bjoern@3825:         if (height < 0) {
bjoern@3825:             height = 0;
bjoern@3715:         }
bjoern@3825: 
bjoern@3825:         gaugetree.setHeight("" + height + "px");
bjoern@3715:     }
bjoern@3715: 
bjoern@3825: 
bjoern@3715:     /**
bjoern@3715:      * Hide the section stack section.
bjoern@3715:      */
bjoern@3715:     public void hide() {
bjoern@3715:         GWT.log("GaugePanel - hide");
bjoern@3715:         this.sectionStack.setHidden(true);
bjoern@3715:     }
bjoern@3715: 
bjoern@3715:     /**
bjoern@3715:      * Show the section stack section.
bjoern@3715:      */
bjoern@3715:     public void show() {
bjoern@3715:         GWT.log("GaugePanel - show");
bjoern@3715:         this.sectionStack.setHidden(false);
bjoern@3715:     }
bjoern@3715: 
bjoern@3825:     class GaugeTree extends ScrollPanel {
bjoern@3825: 
bjoern@3825:         private Tree tree;
bjoern@3825: 
bjoern@3825:         public GaugeTree() {
bjoern@3825:             tree = new Tree();
bjoern@3825:             setWidget(tree);
bjoern@3825:         }
bjoern@3825: 
bjoern@3825:         /**
bjoern@3825:          * Resets the items of the tree.
bjoern@3825:          * If the list of gauges is empty or null the tree will be empty.
bjoern@3825:          */
bjoern@3828:         public void setGauges(RiverInfo riverinfo) {
bjoern@3825:             tree.clear();
bjoern@3825: 
bjoern@3828:             List<GaugeInfo> gauges = riverinfo.getGauges();
bjoern@3828: 
bjoern@3825:             if (gauges != null && !gauges.isEmpty()) {
bjoern@3825: 
bjoern@3828:                 ArrayList<GaugeInfo> emptygauges = new ArrayList<GaugeInfo>();
bjoern@3828: 
bjoern@3828:                 if (!riverinfo.isKmUp()) {
bjoern@3828:                     for (GaugeInfo gauge : gauges) {
bjoern@3828:                         addGauge(gauge, emptygauges);
bjoern@3828:                     }
bjoern@3825:                 }
bjoern@3828:                 else {
bjoern@3828:                     for (int i = gauges.size(); i >= 0; i--) {
bjoern@3828:                         GaugeInfo gauge = gauges.get(i);
bjoern@3828:                         addGauge(gauge, emptygauges);
bjoern@3828:                     }
bjoern@3828:                 }
bjoern@3828: 
bjoern@3828:                 // put empty gauges to the end
bjoern@3828:                 for (GaugeInfo gauge : emptygauges) {
bjoern@3828:                     addGauge(gauge);
bjoern@3828:                 }
bjoern@3828:             }
bjoern@3828:         }
bjoern@3828: 
bjoern@3828:         private void addGauge(GaugeInfo gauge, List<GaugeInfo> empty) {
bjoern@3828:             if (gauge.getKmStart() != null && gauge.getKmEnd() != null) {
bjoern@3828:                 addGauge(gauge);
bjoern@3828:             }
bjoern@3828:             else {
bjoern@3828:                 empty.add(gauge);
bjoern@3828:             }
bjoern@3828:         }
bjoern@3828: 
bjoern@3828:         private void addGauge(GaugeInfo gauge) {
bjoern@3828:             TreeItem gaugeitem = new GaugeInfoItem(gauge);
bjoern@3828:             tree.addItem(gaugeitem);
bjoern@3828:         }
bjoern@3828: 
bjoern@3828:         public void openAll() {
bjoern@3828:             for (Iterator<TreeItem> it = tree.treeItemIterator(); it.hasNext();) {
bjoern@3828:                 TreeItem item = it.next();
bjoern@3828:                 item.setState(true);
bjoern@3825:             }
bjoern@3825:         }
bjoern@3825:     }
bjoern@3825: 
bjoern@3825:     class RiverInfoPanel extends HorizontalPanel {
bjoern@3825: 
bjoern@3825:         public final static int HEIGHT = 30;
bjoern@3825:         public final static int BORDER_WIDTH = 3;
bjoern@3825:         public final static int PADDING = 8;
bjoern@3825:         public final static int MARGIN = 10;
bjoern@3715: 
bjoern@3715:         public RiverInfoPanel(RiverInfo riverinfo) {
bjoern@3825:             setStyleName("riverinfopanel");
bjoern@3825:             setHeight("" + HEIGHT + "px");
bjoern@3825:             setVerticalAlignment(ALIGN_MIDDLE);
bjoern@3715: 
bjoern@3828:             NumberFormat nf = NumberFormat.getDecimalFormat();
bjoern@3828: 
bjoern@3825:             addLabel(riverinfo.getName(), false);
bjoern@3715: 
bjoern@3715:             String kmtext = "";
bjoern@3715:             Double start = riverinfo.getKmStart();
bjoern@3715:             Double end = riverinfo.getKmEnd();
bjoern@3715: 
bjoern@3715:             if (!riverinfo.isKmUp()) {
bjoern@3715:                 Double tmp = end;
bjoern@3715:                 end = start;
bjoern@3715:                 start = tmp;
bjoern@3715:             }
bjoern@3715:             if (end != null) {
bjoern@3828:                 kmtext += nf.format(end);
bjoern@3715:                 kmtext += " - ";
bjoern@3715:             }
bjoern@3715:             if (start != null) {
bjoern@3828:                 kmtext += nf.format(start);
bjoern@3715:             }
bjoern@3715:             kmtext += " km";
bjoern@3715: 
bjoern@3825:             addLabel(kmtext, false);
bjoern@3715: 
bjoern@3715:             String qtext = "";
bjoern@3715:             Double qmin = riverinfo.getMinQ();
bjoern@3715:             Double qmax = riverinfo.getMaxQ();
bjoern@3715:             if (qmin != null) {
bjoern@3828:                 qtext += nf.format(qmin);
bjoern@3828:                 qtext += " " + MSG.gauge_q_unit();
bjoern@3715:                 qtext += " - ";
bjoern@3715:             }
bjoern@3715:             if (qmax != null) {
bjoern@3828:                 qtext += nf.format(qmax);
bjoern@3828:                 qtext += " " + MSG.gauge_q_unit();
bjoern@3715:             }
bjoern@3715: 
bjoern@3825:             addLabel(qtext, false);
bjoern@3825:         }
bjoern@3825: 
bjoern@3825:         private void addLabel(String text, boolean wordwrap) {
bjoern@3825:             Label label = new Label(text, wordwrap);
bjoern@3825:             add(label);
bjoern@3825:             setCellHeight(label, "" + HEIGHT + "px");
bjoern@3715:         }
bjoern@3715:     }
bjoern@3715: 
bjoern@3715:     class GaugeInfoItem extends TreeItem {
bjoern@3715:         public GaugeInfoItem(GaugeInfo gauge) {
bjoern@3715:             GaugeInfoHead gaugeinfohead = new GaugeInfoHead(gauge);
bjoern@3715:             GaugeInfoPanel gaugeinfopanel = new GaugeInfoPanel(gauge);
bjoern@3715:             setWidget(gaugeinfohead);
bjoern@3715:             addItem(gaugeinfopanel);
bjoern@3715:         }
bjoern@3715:     }
bjoern@3715: 
bjoern@3715:     class GaugeInfoHead extends HLayout {
bjoern@3715: 
bjoern@3715:         public GaugeInfoHead(GaugeInfo gauge) {
bjoern@3715:             setStyleName("gaugeinfohead");
bjoern@3715:             setAutoHeight();
bjoern@3715:             setAutoWidth();
bjoern@3715: 
bjoern@3828:             NumberFormat nf = NumberFormat.getDecimalFormat();
bjoern@3828: 
bjoern@3825:             Label label = new Label(gauge.getName(), true);
bjoern@3715:             addMember(label);
bjoern@3715: 
bjoern@3828:             Double start;
bjoern@3828:             Double end;
bjoern@3828: 
bjoern@3828:             if (!gauge.isKmUp()) {
bjoern@3828:                 start = gauge.getKmStart();
bjoern@3828:                 end   = gauge.getKmEnd();
bjoern@3828:             }
bjoern@3828:             else {
bjoern@3828:                 start = gauge.getKmEnd();
bjoern@3828:                 end   = gauge.getKmStart();
bjoern@3828:             }
bjoern@3828: 
bjoern@3715:             String kmtext = "";
bjoern@3715:             if (start != null) {
bjoern@3828:                 kmtext += nf.format(start);
bjoern@3715:                 kmtext += " - ";
bjoern@3715:             }
bjoern@3715:             if (end != null) {
bjoern@3828:                 kmtext += nf.format(end);
bjoern@3715:             }
bjoern@3828:             if (start != null || end != null) {
bjoern@3828:                 kmtext += " km";
bjoern@3828:             }
bjoern@3715: 
bjoern@3715:             label = new Label(kmtext);
bjoern@3715: 
bjoern@3715:             addMember(label);
bjoern@3828: 
bjoern@3828:             Double station = gauge.getStation();
bjoern@3828:             if (station != null) {
bjoern@3828:                 String stext = nf.format(station);
bjoern@3828:                 stext += " km";
bjoern@3828:                 label = new Label(stext);
bjoern@3828:                 addMember(label);
bjoern@3828:             }
bjoern@3715:         }
bjoern@3715:     }
bjoern@3715: 
bjoern@3715:     class GaugeInfoPanel extends DecoratorPanel {
bjoern@3828: 
bjoern@3715:         public GaugeInfoPanel(GaugeInfo gauge) {
bjoern@3715:             setStyleName("gaugeinfopanel");
bjoern@3715:             Grid grid = new Grid(4, 2);
bjoern@3715: 
bjoern@3828:             NumberFormat nf = NumberFormat.getDecimalFormat();
bjoern@3828: 
bjoern@3828:             Double minw = gauge.getMinW();
bjoern@3828:             Double maxw = gauge.getMaxW();
bjoern@3828:             if (minw != null && maxw != null) {
bjoern@3828:                 grid.setText(0, 0, MSG.wq_value_q());
bjoern@3828:                 grid.setText(0, 1, "" + nf.format(minw) +
bjoern@3828:                         " - " + nf.format(maxw));
bjoern@3828:             }
bjoern@3828: 
bjoern@3828:             Double minq = gauge.getMinQ();
bjoern@3828:             Double maxq = gauge.getMaxQ();
bjoern@3828:             if (minq != null && maxq != null) {
bjoern@3828:                 grid.setText(1, 0, MSG.wq_value_w());
bjoern@3828:                 grid.setText(1, 1, "" + nf.format(minq) +
bjoern@3828:                         " - " + nf.format(maxq));
bjoern@3828:             }
bjoern@3828: 
bjoern@3828:             Double aeo = gauge.getAeo();
bjoern@3828:             if (aeo != null) {
bjoern@3828:                 grid.setText(2, 0, "AEO [km²]");
bjoern@3828:                 grid.setText(2, 1, "" + nf.format(aeo));
bjoern@3828:             }
bjoern@3828: 
bjoern@3828:             Double datum = gauge.getDatum();
bjoern@3828:             if (datum != null) {
bjoern@3831:                 grid.setText(3, 0, MSG.gauge_zero() + " [" +
bjoern@3831:                         gauge.getWstUnit() + "]");
bjoern@3828:                 grid.setText(3, 1, "" + nf.format(datum));
bjoern@3828:             }
bjoern@3715: 
bjoern@3715:             setWidget(grid);
bjoern@3715:         }
bjoern@3715:     }
bjoern@3715: }