Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/sq/SQCampaignChart.java @ 4254:33b15ac17fd1
Only create and add GaugePanel when necessary
The GaugePanel isn't created always and only show if WINFO and a river is
selected now. It is only created on demand. Therefore all access to the
GaugePanel is abstraced via methods that check if the GaugePanel is null before
accessing it's methods.
author | Björn Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Thu, 25 Oct 2012 13:58:53 +0200 |
parents | 86e69788c946 |
children |
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package de.intevation.flys.client.client.ui.sq; import com.google.gwt.core.client.GWT; import com.google.gwt.json.client.JSONNumber; import com.google.gwt.json.client.JSONObject; import com.google.gwt.json.client.JSONString; import com.smartgwt.client.types.Alignment; import com.smartgwt.client.widgets.Img; import com.smartgwt.client.widgets.events.ResizedHandler; import com.smartgwt.client.widgets.layout.VLayout; import de.intevation.flys.client.client.Config; import de.intevation.flys.client.shared.model.Artifact; public class SQCampaignChart extends VLayout { private final Artifact artifact; protected Img chartImg; public SQCampaignChart(Artifact artifact, ResizedHandler resizeHandler) { super(); this.artifact = artifact; this.chartImg = new Img(); addResizedHandler(resizeHandler); setAlign(Alignment.CENTER); } public void update() { Config config = Config.getInstance(); String locale = config.getLocale(); int hWidth = getWidth() - 12; int hHeight = getHeight() - 12; if ((int) (hHeight * 4f / 3) < hWidth) { hWidth = (int) (hHeight * 4f / 3); } else { hHeight = (int) (hWidth * 3f / 4); } String river = artifact.getArtifactDescription().getRiver(); JSONObject jfix = new JSONObject(); JSONObject jfilter = new JSONObject(); JSONObject jrName = new JSONObject(); JSONString jrValue = new JSONString(river); JSONObject jextent = new JSONObject(); JSONNumber jwidth = new JSONNumber(hWidth); JSONNumber jheight = new JSONNumber(hHeight); jrName.put("name", jrValue); jfilter.put("river", jrName); jextent.put("width", jwidth); jextent.put("height", jheight); jfilter.put("extent", jextent); jfix.put("sq", jfilter); String filter = jfix.toString(); String imgUrl = GWT.getModuleBaseURL(); imgUrl += "sq-km-chart"; imgUrl += "?locale=" + locale; imgUrl += "&filter=" + filter; if (chartImg != null && hasMember(chartImg)) { chartImg.setWidth(hWidth); chartImg.setHeight(hHeight); chartImg.setSrc(imgUrl); } else { chartImg = new Img(imgUrl, hWidth, hHeight); addMember(chartImg); } } }