Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java @ 3825:e91c5112d67c
Implement a scrolling gauge info tree
flys-client/trunk@5515 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Bjoern Ricks <bjoern.ricks@intevation.de> |
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date | Wed, 19 Sep 2012 07:59:35 +0000 |
parents | 4e33aa341e51 |
children | 9cbc8311e820 |
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package de.intevation.flys.client.client.ui; import java.util.List; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Tree; import com.google.gwt.user.client.ui.TreeItem; import com.google.gwt.user.client.ui.Grid; import com.google.gwt.user.client.ui.DecoratorPanel; import com.google.gwt.user.client.ui.ScrollPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.HorizontalPanel; import com.smartgwt.client.types.Overflow; import com.smartgwt.client.types.Alignment; import com.smartgwt.client.widgets.layout.SectionStackSection; import com.smartgwt.client.widgets.layout.HLayout; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.events.ResizedHandler; import com.smartgwt.client.widgets.events.ResizedEvent; 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.GaugeInfo; 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. */ 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.setItems(this); this.sectionStack = sectionStack; setStyleName("gaugepanel"); addResizedHandler(this); } public void setRiver(String river) { this.river = river; this.refresh(); } /** * 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.getGauges()); } @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 GaugeTree extends ScrollPanel { private Tree tree; public GaugeTree() { tree = new Tree(); setWidget(tree); } /** * Resets the items of the tree. * If the list of gauges is empty or null the tree will be empty. */ public void setGauges(List<GaugeInfo> gauges) { tree.clear(); if (gauges != null && !gauges.isEmpty()) { for (GaugeInfo gauge : gauges) { TreeItem gaugeitem = new GaugeInfoItem(gauge); tree.addItem(gaugeitem); } } } } 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); 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 += end.toString(); kmtext += " - "; } if (start != null) { kmtext += start.toString(); } kmtext += " km"; addLabel(kmtext, false); String qtext = ""; Double qmin = riverinfo.getMinQ(); Double qmax = riverinfo.getMaxQ(); if (qmin != null) { qtext += qmin.toString(); qtext += " qm/s"; qtext += " - "; } if (qmax != null) { qtext += qmax.toString(); qtext += " qm/s"; } addLabel(qtext, false); } private void addLabel(String text, boolean wordwrap) { Label label = new Label(text, wordwrap); add(label); setCellHeight(label, "" + HEIGHT + "px"); } } class GaugeInfoItem extends TreeItem { public GaugeInfoItem(GaugeInfo gauge) { GaugeInfoHead gaugeinfohead = new GaugeInfoHead(gauge); GaugeInfoPanel gaugeinfopanel = new GaugeInfoPanel(gauge); setWidget(gaugeinfohead); addItem(gaugeinfopanel); } } class GaugeInfoHead extends HLayout { public GaugeInfoHead(GaugeInfo gauge) { setStyleName("gaugeinfohead"); setAutoHeight(); setAutoWidth(); Label label = new Label(gauge.getName(), true); addMember(label); Double start = gauge.getKmStart(); Double end = gauge.getKmEnd(); String kmtext = ""; if (start != null) { kmtext += start.toString(); kmtext += " - "; } if (end != null) { kmtext += end.toString(); } kmtext +=" km"; label = new Label(kmtext); addMember(label); } } class GaugeInfoPanel extends DecoratorPanel { public GaugeInfoPanel(GaugeInfo gauge) { setStyleName("gaugeinfopanel"); Grid grid = new Grid(4, 2); grid.setText(0, 0, "W-Bereich [cm]"); grid.setText(0, 1, "" + gauge.getMinW() + " - " + gauge.getMaxW()); grid.setText(1, 0, "Q-Bereich [m²/s]"); grid.setText(1, 1, "" + gauge.getMinQ() + " - " + gauge.getMaxQ()); grid.setText(2, 0, "AEO [km²]"); grid.setText(2, 1, "" + gauge.getAeo()); grid.setText(3, 0, "Pegelnullpunk [NN+m]"); grid.setText(3, 1, "" + gauge.getDatum()); setWidget(grid); } } }