ingo@42: package de.intevation.flys.client.client.ui;
ingo@42: 
ingo@42: import java.util.Map;
ingo@42: 
ingo@42: import com.google.gwt.core.client.GWT;
ingo@42: import com.google.gwt.i18n.client.NumberFormat;
ingo@42: 
ingo@42: import com.smartgwt.client.types.TitleOrientation;
ingo@42: import com.smartgwt.client.widgets.form.DynamicForm;
ingo@42: import com.smartgwt.client.widgets.form.fields.FormItem;
ingo@42: import com.smartgwt.client.widgets.form.fields.StaticTextItem;
ingo@42: import com.smartgwt.client.widgets.form.fields.TextItem;
ingo@42: import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
ingo@42: 
ingo@211: import de.intevation.flys.client.client.FLYSConstants;
ingo@42: 
ingo@42: public class DoubleArrayPanel
ingo@42: extends      DynamicForm
ingo@42: {
ingo@42:     /** The message class that provides i18n strings.*/
ingo@211:     protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
ingo@42: 
raimund@233:     protected TextItem ti;
ingo@42: 
ingo@42:     /** The constant input field name.*/
ingo@42:     public static final String FIELD_NAME = "doublearray";
ingo@42: 
ingo@42: 
ingo@246:     public DoubleArrayPanel(
ingo@246:         String title,
ingo@246:         double[] values,
ingo@246:         BlurHandler handler)
ingo@246:     {
ingo@246:         this(title, values, handler, TitleOrientation.RIGHT);
ingo@246:     }
ingo@246: 
ingo@246: 
ingo@42:     /**
ingo@42:      * Creates a new form with a single input field that displays an array of
ingo@42:      * double values.
ingo@42:      *
ingo@42:      * @param name The name of the TextItem.
ingo@42:      * @param title The title of the TextItem.
ingo@42:      * @param values The double values that should be displayed initially.
ingo@42:      * @param handler The BlurHandler that is used to valide the input.
ingo@42:      */
ingo@42:     public DoubleArrayPanel(
ingo@42:         String title,
ingo@42:         double[] values,
ingo@246:         BlurHandler handler,
ingo@246:         TitleOrientation titleOrientation)
ingo@42:     {
raimund@233:         ti                 = new TextItem(FIELD_NAME);
ingo@42:         StaticTextItem sti = new StaticTextItem("staticarray");
ingo@42: 
ingo@42:         ti.setShowTitle(false);
ingo@42:         sti.setShowTitle(false);
ingo@42:         sti.setValue(title);
ingo@42: 
ingo@42:         ti.addBlurHandler(handler);
ingo@42: 
ingo@246:         if (titleOrientation == TitleOrientation.RIGHT) {
ingo@246:             setFields(ti, sti);
ingo@246:         }
ingo@246:         else {
ingo@246:             setFields(sti, ti);
ingo@246:         }
ingo@246: 
ingo@246:         setTitleOrientation(titleOrientation);
ingo@42:         setNumCols(2);
ingo@42: 
ingo@42:         if (values == null) {
ingo@42:             return;
ingo@42:         }
ingo@42: 
ingo@42:         NumberFormat f = NumberFormat.getDecimalFormat();
ingo@42: 
ingo@42:         StringBuilder text = new StringBuilder();
ingo@42:         boolean firstItem  = true;
ingo@42: 
ingo@42:         for (double val: values) {
ingo@42:             if (!firstItem) {
ingo@42:                 text.append(" ");
ingo@42:             }
ingo@42: 
ingo@42:             text.append(f.format(val));
ingo@42: 
ingo@42:             firstItem = false;
ingo@42:         }
ingo@42: 
ingo@42:         ti.setValue(text.toString());
ingo@42:     }
ingo@42: 
ingo@42: 
ingo@42:     /**
raimund@233:      * This method takes the double array to set the values to the textbox.
raimund@233:      *
raimund@233:      * @param values The double values.
raimund@233:      */
raimund@233:     public void setValues(double[] values) {
raimund@233:         NumberFormat f = NumberFormat.getDecimalFormat();
raimund@233: 
raimund@233:         StringBuilder text = new StringBuilder();
raimund@233:         boolean firstItem  = true;
raimund@238:         if (values != null) {
raimund@238:             for (double val: values) {
raimund@238:                 if (!firstItem) {
raimund@238:                     text.append(" ");
raimund@238:                 }
raimund@233: 
raimund@238:                 text.append(f.format(val));
raimund@238: 
raimund@238:                 firstItem = false;
raimund@233:             }
raimund@233:         }
raimund@233: 
raimund@233:         ti.clearValue();
raimund@233:         ti.setValue(text.toString());
raimund@233:     }
raimund@233: 
raimund@233: 
ingo@563:     protected boolean validateForm() {
ingo@563:         return validateForm(ti);
ingo@563:     }
ingo@563: 
ingo@563: 
raimund@233:     /**
ingo@42:      * This method validates the entered text in the location input field. If
ingo@42:      * there are values that doesn't represent a valid location, an error is
ingo@42:      * displayed.
ingo@42:      *
ingo@42:      * @param item The FormItem.
ingo@42:      */
ingo@42:     protected boolean validateForm(FormItem item) {
ingo@59:         if (item instanceof StaticTextItem) {
ingo@59:             return true;
ingo@59:         }
ingo@59: 
ingo@42:         boolean  valid = true;
ingo@42:         String   value = (String) item.getValue();
ingo@42: 
ingo@42:         if (value == null) {
ingo@42:             return valid;
ingo@42:         }
ingo@42: 
ingo@42:         String[] parts = value.split(" ");
ingo@42: 
ingo@42:         if (parts == null) {
ingo@42:             return valid;
ingo@42:         }
ingo@42: 
ingo@42:         NumberFormat f = NumberFormat.getDecimalFormat();
ingo@42:         Map errors     = getErrors();
ingo@42: 
ingo@42:         try {
ingo@42:             for (String part: parts) {
ingo@42:                 double location = f.parse(part);
ingo@42:             }
ingo@42: 
ingo@42:             errors.remove(item.getFieldName());
ingo@42:         }
ingo@42:         catch (NumberFormatException nfe) {
ingo@42:             errors.put(item.getFieldName(), MESSAGES.wrongFormat());
ingo@42: 
ingo@42:             valid = false;
ingo@42:         }
ingo@42: 
ingo@42:         setErrors(errors, true);
ingo@42: 
ingo@42:         return valid;
ingo@42:     }
ingo@42: 
ingo@42: 
ingo@42:     /**
ingo@42:      * This method returns the double array that has been entered in
ingo@42:      * <i>item</i>.
ingo@42:      *
ingo@42:      * @param item The item that contains the desired values.
ingo@42:      *
ingo@42:      * @return the values as double array.
ingo@42:      */
ingo@42:     public double[] getInputValues(FormItem item) {
ingo@42:         String value = (String) item.getValue();
ingo@42: 
ingo@42:         if (value == null) {
ingo@42:             return null;
ingo@42:         }
ingo@42: 
ingo@42:         String[] parts  = value.split(" ");
ingo@42: 
ingo@42:         if (parts == null) {
ingo@42:             return null;
ingo@42:         }
ingo@42: 
ingo@42:         NumberFormat f = NumberFormat.getDecimalFormat();
ingo@42: 
ingo@571:         double[] values = new double[parts.length];
ingo@571: 
ingo@42:         int i = 0;
ingo@571:         OUTER: for (String part: parts) {
ingo@42:             try {
ingo@571:                 double x = f.parse(part);
ingo@571:                 for (int j = 0; j < i; ++j) {
ingo@571:                     if (values[j] == x) {
ingo@571:                         continue OUTER;
ingo@571:                     }
ingo@571:                 }
ingo@571:                 values[i++] = x;
ingo@42:             }
ingo@42:             catch (NumberFormatException nfe) {
ingo@42:                 // do nothing
ingo@42:             }
ingo@42:         }
ingo@42: 
ingo@571:         double [] out = new double[i];
ingo@571:         System.arraycopy(values, 0, out, 0, i);
ingo@571: 
ingo@571:         return out;
ingo@42:     }
ingo@246: 
ingo@246: 
ingo@246:     /**
ingo@246:      * Returns the double values of this panel.
ingo@246:      *
ingo@246:      * @return the double values of this panel.
ingo@246:      */
ingo@246:     public double[] getInputValues() {
ingo@246:         return getInputValues(ti);
ingo@246:     }
ingo@42: }
ingo@42: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :