it.vige.greenarea.bpm.custom.ui.form.DoubleFormPropertyRenderer.java Source code

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Here is the source code for it.vige.greenarea.bpm.custom.ui.form.DoubleFormPropertyRenderer.java

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/******************************************************************************
 * Vige, Home of Professional Open Source Copyright 2010, Vige, and           *
 * individual contributors by the @authors tag. See the copyright.txt in the  *
 * distribution for a full listing of individual contributors.                *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may    *
 * not use this file except in compliance with the License. You may obtain    *
 * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0        *
 * Unless required by applicable law or agreed to in writing, software        *
 * distributed under the License is distributed on an "AS IS" BASIS,          *
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
 * See the License for the specific language governing permissions and        *
 * limitations under the License.                                             *
 ******************************************************************************/
package it.vige.greenarea.bpm.custom.ui.form;

import java.lang.reflect.Method;

import org.activiti.engine.form.FormProperty;
import org.activiti.engine.impl.form.DoubleFormType;
import org.activiti.explorer.Messages;
import org.activiti.explorer.ui.validator.DoubleValidator;

import com.vaadin.ui.Field;
import com.vaadin.ui.TextField;

public class DoubleFormPropertyRenderer<T> extends GreenareaAbstractFormPropertyRenderer<T> {

    private static final long serialVersionUID = -1076825867839665692L;

    public DoubleFormPropertyRenderer() {
        super(DoubleFormType.class);
    }

    @Override
    public Field getPropertyField(FormProperty formProperty) {
        final TextField textField = new TextField(getPropertyLabel(formProperty));
        textField.setRequired(formProperty.isRequired());
        textField.setEnabled(formProperty.isWritable());
        textField.setRequiredError(getMessage(Messages.FORM_FIELD_REQUIRED, getPropertyLabel(formProperty)));

        if (formProperty.getValue() != null) {
            textField.setValue(formProperty.getValue());
        }

        // Add validation of numeric value
        textField.addValidator(new DoubleValidator("Value must be a double"));
        textField.setImmediate(true);

        return textField;
    }

    protected boolean isLong(String value) {
        try {
            Double.parseDouble(value);
            return true;
        } catch (NumberFormatException nfe) {
            return false;
        }
    }

    @Override
    protected boolean visible(Method method, java.lang.reflect.Field field) {
        return true;
    }

}