teichmann@5835: package org.dive4elements.river.client.client.ui;
raimund@2898: 
sascha@2899: import com.google.gwt.core.client.GWT;
raimund@2898: import com.google.gwt.i18n.client.NumberFormat;
christian@4131: 
raimund@2898: import com.smartgwt.client.util.SC;
raimund@2898: import com.smartgwt.client.widgets.Canvas;
raimund@2898: import com.smartgwt.client.widgets.Label;
sascha@2899: import com.smartgwt.client.widgets.form.DynamicForm;
sascha@2899: import com.smartgwt.client.widgets.form.fields.TextItem;
raimund@2898: import com.smartgwt.client.widgets.layout.HLayout;
raimund@2898: import com.smartgwt.client.widgets.layout.VLayout;
raimund@2898: 
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.shared.model.Data;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataList;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultData;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultDataItem;
sascha@2899: 
christian@4131: import java.util.ArrayList;
christian@4131: import java.util.List;
christian@4131: 
raimund@2898: /**
raimund@2898:  * This UIProvider creates a panel for location or distance input.
raimund@2898:  *
raimund@2898:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@2898:  */
raimund@2898: public class DoubleInputPanel
raimund@2898: extends      AbstractUIProvider
raimund@2898: {
christian@4131: 
christian@4131:     private static final long serialVersionUID = 2006773072352563622L;
christian@4131: 
raimund@2898:     /** The message class that provides i18n strings. */
raimund@2898:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
raimund@2898: 
raimund@2898:     private TextItem inputPanel;
raimund@2898: 
raimund@2898:     private double value;
raimund@2898: 
felix@4279:     protected String dataName;
felix@4279: 
felix@4060: 
raimund@2898:     public DoubleInputPanel() {
felix@4279:         dataName = "outliers";
felix@4279:     }
felix@4279: 
felix@4279: 
felix@4279:     public DoubleInputPanel(String dataName) {
felix@4279:         this.dataName = dataName;
raimund@2898:     }
raimund@2898: 
raimund@2898: 
christian@4131:     @Override
raimund@2898:     public Canvas create(DataList list) {
raimund@2898:         VLayout layout = new VLayout();
raimund@2898: 
raimund@2898:         Canvas helper = createHelper();
raimund@2898:         this.helperContainer.addMember(helper);
raimund@2898: 
raimund@2898:         Canvas submit = getNextButton();
raimund@2898:         Canvas widget = createWidget(list);
raimund@2898: 
raimund@2898:         layout.addMember(widget);
raimund@2898:         layout.addMember(submit);
raimund@2898:         return layout;
raimund@2898:     }
raimund@2898: 
raimund@2898: 
felix@4060:     /** Create a labelled input-panel. */
raimund@2898:     public Canvas createWidget(DataList data) {
raimund@2898:         VLayout layout = new VLayout();
raimund@2898: 
raimund@2898:         Label title = new Label(data.get(0).getDescription());
raimund@2898:         title.setHeight("25px");
raimund@2898: 
ingo@3369:         DataItem defaultItem = data.get(0).getDefault();
ingo@3369: 
raimund@2898:         DynamicForm form = new DynamicForm();
raimund@2898:         inputPanel = new TextItem();
felix@4279:         inputPanel.setTitle(dataName);
raimund@2898:         inputPanel.setShowTitle(false);
ingo@3369: 
ingo@3369:         if (defaultItem != null) {
ingo@3369:             inputPanel.setValue(defaultItem.getStringValue());
ingo@3369:         }
ingo@3369: 
raimund@2898:         form.setFields(inputPanel);
raimund@2898: 
raimund@2898:         layout.addMember(title);
raimund@2898:         layout.addMember(form);
raimund@2898: 
raimund@2898:         return layout;
raimund@2898:     }
raimund@2898: 
felix@4279: 
raimund@2898:     protected Canvas createHelper() {
raimund@2898:         return new VLayout();
raimund@2898:     }
raimund@2898: 
felix@4060: 
felix@4060:     /** Create canvas to show previously entered value. */
raimund@2898:     @Override
raimund@2898:     public Canvas createOld(DataList dataList) {
raimund@2898:         List<Data> items = dataList.getAll();
raimund@2898: 
felix@4279:         Data d = getData(items, dataName);
raimund@2898:         DataItem[] item = d.getItems();
raimund@2898: 
raimund@2898:         String v = item[0].getLabel();
raimund@2898: 
raimund@2898:         Label old = new Label(v);
raimund@2898:         old.setWidth(130);
raimund@2898: 
raimund@2898:         HLayout layout = new HLayout();
raimund@2898:         layout.setWidth("400px");
raimund@2898: 
raimund@2898:         Label label = new Label(dataList.getLabel());
raimund@2898:         label.setWidth("200px");
raimund@2898: 
raimund@2898:         Canvas back = getBackButton(dataList.getState());
raimund@2898: 
raimund@2898:         layout.addMember(label);
raimund@2898:         layout.addMember(old);
raimund@2898:         layout.addMember(back);
raimund@2898: 
raimund@2898:         return layout;
raimund@2898:     }
raimund@2898: 
raimund@2898: 
raimund@2898:     /**
raimund@2898:      * This method returns the selected data.
raimund@2898:      *
raimund@2898:      * @return the selected/inserted data.
raimund@2898:      */
christian@4131:     @Override
raimund@2898:     public Data[] getData() {
raimund@2898:         List<Data> data = new ArrayList<Data>();
raimund@2898: 
raimund@2898:         boolean valid = saveDataValues();
raimund@2898:         if(valid) {
raimund@2898: 
raimund@2898:             String vs = Double.valueOf(this.value).toString();
felix@4279:             DataItem item = new DefaultDataItem(dataName, dataName, vs);
raimund@2898:             data.add(new DefaultData(
teichmann@4736:                 dataName,
raimund@2898:                 null,
raimund@2898:                 null,
raimund@2898:                 new DataItem[] { item }));
raimund@2898:         }
raimund@2898: 
sascha@3379:         return data.toArray(new Data[data.size()]);
raimund@2898:     }
raimund@2898: 
raimund@2898: 
raimund@2898:     protected boolean saveDataValues() {
raimund@2898:         String st = inputPanel.getValueAsString();
raimund@2898:         if (st == null) {
raimund@2898:             SC.warn("fehler... TODO");
raimund@2898:             return false;
raimund@2898:         }
raimund@2898: 
raimund@2898:         try {
raimund@2898:             NumberFormat nf = NumberFormat.getDecimalFormat();
raimund@2898:             double d = nf.parse(st);
raimund@2898:             this.value = d;
raimund@2898:         }
raimund@2898:         catch(NumberFormatException nfe) {
raimund@2898:             SC.warn("fehler... nfe... TODO");
raimund@2898:             return false;
raimund@2898:         }
raimund@2898:         return true;
raimund@2898:     }
raimund@2898: }
felix@4060: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :