probe.com.view.core.DoubleTextField.java Source code

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Here is the source code for probe.com.view.core.DoubleTextField.java

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/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package probe.com.view.core;

import com.vaadin.data.Property;
import com.vaadin.server.ErrorMessage;
import com.vaadin.ui.TextField;
import com.vaadin.ui.themes.Reindeer;
import java.io.Serializable;

/**
 *
 * @author y-mok_000
 */
public class DoubleTextField extends TextField implements Serializable, Property.ValueChangeListener {

    private double value;

    @Override
    public boolean isValid() {
        return valid; //To change body of generated methods, choose Tools | Templates.
    }

    private boolean valid = false;

    /**
     *
     */
    public DoubleTextField() {

        this.setStyleName(Reindeer.TEXTFIELD_SMALL);
        this.setHeight("20px");
        this.setWidth("40px");
        this.setNullRepresentation(" ");
        this.setDescription("Only Double Value Allowed");
        this.addValueChangeListener(this);

    }

    @Override
    public void valueChange(Property.ValueChangeEvent event) {
        this.setComponentError(null);
        if (this.getValue() == null || this.getValue().trim().equalsIgnoreCase("")) {
            value = 0;
            return;
        }

        try {
            value = Double.valueOf(this.getValue());
            valid = true;
        } catch (NumberFormatException exp) {
            valid = false;
            this.setComponentError(new ErrorMessage() {
                @Override
                public ErrorMessage.ErrorLevel getErrorLevel() {
                    return ErrorLevel.ERROR;
                }

                @Override
                public String getFormattedHtmlMessage() {
                    return "Only Double Value Allowed";
                }
            });
        }
    }

    /**
     *
     * @return
     */
    public double getDoubleValue() {
        return value;
    }

}