Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java @ 3844:7a096ec98596
Open gauge tree fold for historicalq reference too
flys-client/trunk@5561 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Bjoern Ricks <bjoern.ricks@intevation.de> |
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date | Fri, 21 Sep 2012 14:21:05 +0000 |
parents | 44c1beb78ad1 |
children | f3b821735e39 |
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package de.intevation.flys.client.client.ui; import com.google.gwt.core.client.GWT; import com.google.gwt.i18n.client.NumberFormat; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Anchor; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Label; import com.smartgwt.client.types.Overflow; import com.smartgwt.client.widgets.events.ResizedEvent; import com.smartgwt.client.widgets.events.ResizedHandler; import com.smartgwt.client.widgets.layout.SectionStackSection; import com.smartgwt.client.widgets.layout.VLayout; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.services.GaugeOverviewInfoService; import de.intevation.flys.client.client.services.GaugeOverviewInfoServiceAsync; import de.intevation.flys.client.shared.model.DataList; import de.intevation.flys.client.shared.model.RiverInfo; /** * The GaugePanel is intendet to be used within a SectionStackSection * It extends the VLayout by two methods to show and hide the * section stack section. * * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public class GaugePanel extends VLayout implements ResizedHandler { /** SectionStackSection where this GaugePanel belongs in*/ private SectionStackSection sectionStack; /** Name of the river */ private String river; /** The message class that provides i18n strings.*/ protected FLYSConstants MSG = GWT.create(FLYSConstants.class); protected GaugeOverviewInfoServiceAsync gaugeOverviewInfoService = GWT.create(GaugeOverviewInfoService.class); protected GaugeTree gaugetree = new GaugeTree(); protected RiverInfoPanel riverinfopanel; /** * Creates a new VLayout with a SectionStackSection * The GaugePanel's SectionStackSection is hidden by default. * @param sectionStack The section stack section to place the VLayout in. */ public GaugePanel(SectionStackSection sectionStack) { setOverflow(Overflow.HIDDEN); sectionStack.setHidden(true); sectionStack.setItems(this); this.sectionStack = sectionStack; setStyleName("gaugepanel"); addResizedHandler(this); } /** * Sets and loads the river data if river is not the current set river */ public void setRiver(String river) { if (!river.equals(this.river)) { this.river = river; this.refresh(); } } /** * Sets the data and closes not corresponding folds in the gauge tree */ public void setData(DataList[] data) { gaugetree.setData(data); } /** * Loads the river info and renders it afterwards */ public void refresh() { gaugeOverviewInfoService.getRiverInfo(this.river, new AsyncCallback<RiverInfo>() { public void onFailure(Throwable e) { GWT.log("Could not load the river info." + e); } public void onSuccess(RiverInfo riverinfo) { GWT.log("Loaded river info"); renderGaugeOverviewInfo(riverinfo); } }); } public void renderGaugeOverviewInfo(RiverInfo riverinfo) { removeMembers(getMembers()); riverinfopanel = new RiverInfoPanel(riverinfo); addMember(riverinfopanel); addMember(gaugetree); gaugetree.setGauges(riverinfo); } @Override public void onResized(ResizedEvent event) { /* this height calculation is only an approximation and doesn't reflect * the real height of the the gaugetree. */ int height = getInnerContentHeight() - (RiverInfoPanel.HEIGHT + (2 * RiverInfoPanel.BORDER_WIDTH) + (2 * RiverInfoPanel.PADDING) + (2 * RiverInfoPanel.MARGIN)); if (height < 0) { height = 0; } gaugetree.setHeight("" + height + "px"); } /** * Hide the section stack section. */ public void hide() { GWT.log("GaugePanel - hide"); this.sectionStack.setHidden(true); } /** * Show the section stack section. */ public void show() { GWT.log("GaugePanel - show"); this.sectionStack.setHidden(false); } class RiverInfoPanel extends HorizontalPanel { public final static int HEIGHT = 30; public final static int BORDER_WIDTH = 3; public final static int PADDING = 8; public final static int MARGIN = 10; public RiverInfoPanel(RiverInfo riverinfo) { setStyleName("riverinfopanel"); setHeight("" + HEIGHT + "px"); setVerticalAlignment(ALIGN_MIDDLE); NumberFormat nf = NumberFormat.getDecimalFormat(); addLabel(riverinfo.getName(), false); String kmtext = ""; Double start = riverinfo.getKmStart(); Double end = riverinfo.getKmEnd(); if (!riverinfo.isKmUp()) { Double tmp = end; end = start; start = tmp; } if (end != null) { kmtext += nf.format(end); kmtext += " - "; } if (start != null) { kmtext += nf.format(start); } kmtext += " km"; addLabel(kmtext, false); String qtext = ""; Double qmin = riverinfo.getMinQ(); Double qmax = riverinfo.getMaxQ(); if (qmin != null) { qtext += nf.format(qmin); qtext += " " + MSG.gauge_q_unit(); qtext += " - "; } if (qmax != null) { qtext += nf.format(qmax); qtext += " " + MSG.gauge_q_unit(); } addLabel(qtext, false); Anchor anchor = new Anchor(MSG.gauge_river_info_link(), riverinfo.getInfoURL()); add(anchor); } private void addLabel(String text, boolean wordwrap) { Label label = new Label(text, wordwrap); add(label); setCellHeight(label, "" + HEIGHT + "px"); } } }