Mercurial > dive4elements > river
diff flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/NaviChartOutputTab.java @ 2906:1780841d79af
Added navigation to fix analysis charts.
flys-client/trunk@4673 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
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date | Fri, 15 Jun 2012 12:13:09 +0000 |
parents | |
children | 37dce0f2f63b |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/NaviChartOutputTab.java Fri Jun 15 12:13:09 2012 +0000 @@ -0,0 +1,227 @@ +package de.intevation.flys.client.client.ui.chart; + +import java.util.Date; + +import com.google.gwt.core.client.GWT; + +import com.smartgwt.client.widgets.layout.HLayout; +import com.smartgwt.client.widgets.layout.VLayout; +import com.smartgwt.client.widgets.Button; + +import com.smartgwt.client.widgets.form.DynamicForm; +import com.smartgwt.client.widgets.form.fields.TextItem; +import com.smartgwt.client.widgets.form.fields.events.ChangedHandler; +import com.smartgwt.client.widgets.form.fields.events.ChangedEvent; +import com.smartgwt.client.widgets.events.ClickHandler; +import com.smartgwt.client.widgets.events.ClickEvent; +import com.smartgwt.client.widgets.form.validator.IsFloatValidator; +import com.smartgwt.client.widgets.Canvas; +import com.smartgwt.client.widgets.Img; +import com.smartgwt.client.types.Alignment; +import com.smartgwt.client.widgets.tab.events.TabSelectedHandler; +import com.smartgwt.client.widgets.tab.events.TabSelectedEvent; + +import de.intevation.flys.client.shared.model.Collection; +import de.intevation.flys.client.shared.model.OutputMode; +import de.intevation.flys.client.client.ui.CollectionView; +import de.intevation.flys.client.shared.model.FixAnalysisArtifact; +import de.intevation.flys.client.shared.model.Artifact; +import de.intevation.flys.client.client.Config; + + +/** + * Tab representing and showing one Chart-output. + * + * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> + */ +public class NaviChartOutputTab +extends ChartOutputTab +implements TabSelectedHandler +{ + protected TextItem currentkm; + + public NaviChartOutputTab( + String title, + Collection collection, + OutputMode mode, + CollectionView collectionView + ){ + super(title, collection, mode, collectionView); + right.removeChild(chart); + right.addChild(createNaviChart()); + collectionView.registerTabHandler(this); + } + + + protected Canvas createNaviChart() { + final Artifact art = collectionView.getArtifact(); + VLayout root = new VLayout(); + root.setWidth100(); + root.setHeight100(); + + HLayout layout = new HLayout(); + layout.setAlign(Alignment.CENTER); + + DynamicForm form = new DynamicForm(); + Button lower = new Button("<<"); + lower.setWidth(30); + Button upper = new Button(">>"); + upper.setWidth(30); + currentkm = new TextItem(); + currentkm.setWidth(60); + currentkm.setShowTitle(false); + currentkm.setValidators(new IsFloatValidator()); + + form.setFields(currentkm); + form.setWidth(60); + FixAnalysisArtifact fix = (FixAnalysisArtifact) art; + + String s = fix.getArtifactDescription().getDataValueAsString("step"); + try { + double ds = Double.valueOf(s).doubleValue(); + collectionView.setSteps(ds); + } + catch(NumberFormatException nfe) { + collectionView.setSteps(100d); + } + collectionView.setMinKm(fix.getFilter().getFromKm()); + collectionView.setMaxKm(fix.getFilter().getToKm()); + + if (collectionView.getCurrentKm() == -1d) { + currentkm.setValue(fix.getFilter().getFromKm()); + collectionView.setCurrentKm(fix.getFilter().getFromKm()); + } + else { + currentkm.setValue(collectionView.getCurrentKm()); + } + + lower.addClickHandler(new ClickHandler() { + public void onClick(ClickEvent ce) { + updateChartDown(); + currentkm.setValue(collectionView.getCurrentKm()); + } + }); + + upper.addClickHandler(new ClickHandler() { + public void onClick(ClickEvent ce) { + updateChartUp(); + currentkm.setValue(collectionView.getCurrentKm()); + } + }); + + currentkm.addChangedHandler(new ChangedHandler() { + public void onChanged(ChangedEvent ce) { + if(ce.getForm().validate() && ce.getItem().getValue() != null) { + try { + String s = ce.getItem().getValue().toString(); + Double d = new Double(s); + if (d < collectionView.getMaxKm() && + d > collectionView.getMinKm()) { + collectionView.setCurrentKm(d); + if (right != null) { + updateChartPanel(); + updateChartInfo(); + } + } + } + catch(NumberFormatException nfe) { + // Do nothing. + } + } + } + }); + layout.addMember(lower); + layout.addMember(form); + layout.addMember(upper); + + root.addMember(chart); + root.addMember(layout); + return root; + } + + + protected void updateChartUp() { + double currentKm = collectionView.getCurrentKm(); + if (currentKm < collectionView.getMaxKm()) { + double newVal = currentKm * 100; + newVal += (collectionView.getSteps() / 10); + collectionView.setCurrentKm((double)Math.round(newVal) / 100); + updateChartPanel(); + updateChartInfo(); + } + } + protected void updateChartDown() { + double currentKm = collectionView.getCurrentKm(); + if (currentKm > collectionView.getMinKm()) { + double newVal = currentKm * 100; + newVal -= (collectionView.getSteps() / 10); + collectionView.setCurrentKm((double)Math.round(newVal) / 100); + updateChartPanel(); + updateChartInfo(); + } + + } + + /** + * Builds the URL that points to the chart image. + * + * @param width The width of the requested chart. + * @param height The height of the requested chart. + * @param xr Optional x range (used for zooming). + * @param yr Optional y range (used for zooming). + * + * @return the URL to the chart image. + */ + @Override + protected String getImgUrl(int width, int height) { + Config config = Config.getInstance(); + + String imgUrl = GWT.getModuleBaseURL(); + imgUrl += "chart"; + imgUrl += "?uuid=" + collection.identifier(); + imgUrl += "&type=" + mode.getName(); + imgUrl += "&locale=" + config.getLocale(); + imgUrl += "×tamp=" + new Date().getTime(); + imgUrl += "&width=" + Integer.toString(width); + imgUrl += "&height=" + Integer.toString(height - 40); + + Number[] zoom = getZoomValues(); + + if (zoom != null) { + if (zoom[0].intValue() != 0 || zoom[1].intValue() != 1) { + // a zoom range of 0-1 means displaying the whole range. In such + // case we don't need to zoom. + imgUrl += "&minx=" + zoom[0]; + imgUrl += "&maxx=" + zoom[1]; + } + + if (zoom[2].intValue() != 0 || zoom[3].intValue() != 1) { + // a zoom range of 0-1 means displaying the whole range. In such + // case we don't need to zoom. + imgUrl += "&miny=" + zoom[2]; + imgUrl += "&maxy=" + zoom[3]; + } + } + + if(collectionView.getArtifact() instanceof FixAnalysisArtifact) { + if (collectionView.getCurrentKm() == -1) { + FixAnalysisArtifact fix = + (FixAnalysisArtifact) collectionView.getArtifact(); + collectionView.setCurrentKm(fix.getFilter().getFromKm()); + } + imgUrl += "¤tKm=" + collectionView.getCurrentKm(); + } + GWT.log(imgUrl); + + return imgUrl; + } + + public void onTabSelected(TabSelectedEvent tse) { + if (this.equals(tse.getTab())) { + updateChartPanel(); + updateChartInfo(); + currentkm.setValue(collectionView.getCurrentKm()); + } + } + +}