org.lunifera.vaaclipse.ui.preferences.addon.internal.IntegerFieldEditorRenderer.java Source code

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Here is the source code for org.lunifera.vaaclipse.ui.preferences.addon.internal.IntegerFieldEditorRenderer.java

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/**
 * Copyright (c) 2011 - 2015, Lunifera GmbH (Gross Enzersdorf), Loetz KG (Heidelberg)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *         Florian Pirchner - Initial implementation
 */
package org.lunifera.vaaclipse.ui.preferences.addon.internal;

import javax.inject.Inject;

import org.lunifera.vaaclipse.ui.preferences.addon.internal.exception.ValidationFailedException;
import org.lunifera.vaaclipse.ui.preferences.model.IntegerFieldEditor;

import com.vaadin.ui.CssLayout;
import com.vaadin.ui.TextField;

/**
 * @author rushan
 *
 */
public class IntegerFieldEditorRenderer extends FieldEditorRenderer<Integer> {

    @Inject
    IntegerFieldEditor editor;

    TextField textField;

    @Override
    public void render() {
        CssLayout layout = createCssLayoutWithCaption();
        textField = new TextField();
        if (getValue() != null)
            textField.setValue(getValue().toString());
        textField.setWidth("100%");
        layout.addComponent(textField);
    }

    @Override
    public Integer getValue() {
        return getPreferences().getInt(editor.getPreferenceName(), editor.getDefaultValueTyped());
    }

    @Override
    public void setValue(Integer value) {
        this.getPreferences().putInt(editor.getPreferenceName(), value);
    }

    @Override
    public void validate() throws ValidationFailedException {

        if (textField.getValue() != null) {
            int value;
            try {
                value = Integer.parseInt(textField.getValue());
            } catch (NumberFormatException e) {
                throw new ValidationFailedException(editor.getLabel(), "The value should be integer value");
            }

            if ((editor.getMinValidValue() != null && value < editor.getMinValidValue())
                    || (editor.getMaxValidValue() != null && value > editor.getMaxValidValue()))
                throw new ValidationFailedException(editor.getLabel(),
                        String.format("Value should be in range (%s, %s)",
                                editor.getMinValidValue() != null ? editor.getMinValidValue().toString() : "?",
                                editor.getMaxValidValue() != null ? editor.getMaxValidValue().toString() : "?"));
        }
    }

    @Override
    public void save() {
        String value = textField.getValue();
        if (value != null) {
            try {
                int intValue = Integer.parseInt(value);
                setValue(intValue);
            } catch (NumberFormatException e) {

            }
        }
    }
}