Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/NaviChartOutputTab.java @ 4392:0dace49f89a0
Merged
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 05 Nov 2012 09:18:59 +0100 |
parents | f36550788add |
children | acfd48384835 |
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package de.intevation.flys.client.client.ui.chart; import java.util.Map; import java.util.HashMap; import com.google.gwt.core.client.GWT; import com.google.gwt.i18n.client.NumberFormat; import com.smartgwt.client.types.Alignment; import com.smartgwt.client.widgets.Button; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.events.ClickEvent; import com.smartgwt.client.widgets.events.ClickHandler; import com.smartgwt.client.widgets.form.DynamicForm; import com.smartgwt.client.widgets.form.fields.TextItem; import com.smartgwt.client.widgets.form.fields.events.KeyPressEvent; import com.smartgwt.client.widgets.form.fields.events.KeyPressHandler; import com.smartgwt.client.widgets.layout.HLayout; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.tab.events.TabSelectedEvent; import com.smartgwt.client.widgets.tab.events.TabSelectedHandler; import de.intevation.flys.client.client.Config; import de.intevation.flys.client.client.ui.CollectionView; import de.intevation.flys.client.shared.model.Artifact; import de.intevation.flys.client.shared.model.Collection; import de.intevation.flys.client.shared.model.FixAnalysisArtifact; import de.intevation.flys.client.shared.model.FixFilter; import de.intevation.flys.client.shared.model.OutputMode; import java.util.Date; /** * Tab representing and showing one Chart-output with a "navi" thing. * * @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); form.setFields(currentkm); form.setWidth(60); double fromKm; double toKm; if (art instanceof FixAnalysisArtifact) { FixAnalysisArtifact fix = (FixAnalysisArtifact) art; FixFilter fixFilter = fix.getFilter(); String s = fix.getArtifactDescription().getDataValueAsString("step"); try { double ds = Double.parseDouble(s); collectionView.setSteps(ds); } catch(NumberFormatException nfe) { collectionView.setSteps(100d); } fromKm = fixFilter.getFromKm(); toKm = fixFilter.getToKm(); } else { // Probably WINFOArtifact kind of artifact. String ld_step = art.getArtifactDescription().getDataValueAsString("ld_step"); try { collectionView.setSteps(Double.valueOf(ld_step)); } catch (Exception e) { GWT.log("No ld_steps data or not parsable."); return root; } double[] kmRange = art.getArtifactDescription().getKMRange(); if (kmRange == null || kmRange.length == 2) { fromKm = kmRange[0]; toKm = kmRange[1]; } else { GWT.log("No KM range in description found."); return root; } } collectionView.setMinKm(fromKm); collectionView.setMaxKm(toKm); final NumberFormat nf = NumberFormat.getDecimalFormat(); if (collectionView.getCurrentKm() == -1d) { try { double d = Double.valueOf(fromKm); currentkm.setValue(nf.format(d)); } catch (NumberFormatException e) { currentkm.setValue(fromKm); } collectionView.setCurrentKm(fromKm); } else { try { double d = Double.valueOf(fromKm); currentkm.setValue(nf.format(d)); } catch (NumberFormatException e) { currentkm.setValue(fromKm); } currentkm.setValue(collectionView.getCurrentKm()); } lower.addClickHandler(new ClickHandler() { public void onClick(ClickEvent ce) { tbarPanel.deselectControls(); updateChartDown(); try { double d = Double.valueOf(collectionView.getCurrentKm()); currentkm.setValue(nf.format(d)); } catch (NumberFormatException e) { currentkm.setValue(collectionView.getCurrentKm()); } } }); upper.addClickHandler(new ClickHandler() { public void onClick(ClickEvent ce) { tbarPanel.deselectControls(); updateChartUp(); try { double d = Double.valueOf(collectionView.getCurrentKm()); currentkm.setValue(nf.format(d)); } catch (NumberFormatException e) { currentkm.setValue(collectionView.getCurrentKm()); } } }); currentkm.addKeyPressHandler(new KeyPressHandler() { public void onKeyPress(KeyPressEvent kpe) { if (!kpe.getKeyName().equals("Enter")) { return; } if(kpe.getItem().getValue() != null) { tbarPanel.deselectControls(); try { String s = kpe.getItem().getValue().toString(); double d; try { d = nf.parse(s); currentkm.setValue(nf.format(d)); } catch (NumberFormatException e) { d = -1d; } if (d <= collectionView.getMaxKm() && d >= collectionView.getMinKm()) { collectionView.setCurrentKm(d); tbarPanel.updateLinks(); 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; } /** Callback when km-up-button is clicked. * Increases collectionViews KM and refreshes view. */ protected void updateChartUp() { double currentKm = collectionView.getCurrentKm(); if (currentKm < collectionView.getMaxKm()) { // Why this math? double newVal = currentKm * 100; newVal += (collectionView.getSteps() / 10); collectionView.setCurrentKm((double)Math.round(newVal) / 100); tbarPanel.updateLinks(); updateChartPanel(); updateChartInfo(); } } /** Callback when km-down-button is clicked. * Decreases collectionViews KM and refreshes view. */ protected void updateChartDown() { double currentKm = collectionView.getCurrentKm(); if (currentKm > collectionView.getMinKm()) { // Why this math? double newVal = currentKm * 100; newVal -= (collectionView.getSteps() / 10); collectionView.setCurrentKm((double)Math.round(newVal) / 100); tbarPanel.updateLinks(); updateChartPanel(); updateChartInfo(); } } /** * Returns the existing chart panel. * * @return the existing chart panel. */ @Override public Canvas getChartPanel() { return chart; } /** * 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()); } } else if (collectionView.getCurrentKm() == -1) { collectionView.setCurrentKm(collectionView.getArtifact().getArtifactDescription().getKMRange()[0]); } if (collectionView.getCurrentKm() != -1) { imgUrl += "¤tKm=" + collectionView.getCurrentKm(); } return imgUrl; } public void onTabSelected(TabSelectedEvent tse) { if (this.equals(tse.getTab())) { updateChartPanel(); updateChartInfo(); currentkm.setValue(collectionView.getCurrentKm()); } } @Override public Map<String, String> getChartAttributes() { Map<String, String> attr = new HashMap<String, String>(); attr = super.getChartAttributes(); attr.put("km", String.valueOf(collectionView.getCurrentKm())); return attr; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :