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

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Here is the source code for org.lunifera.vaaclipse.ui.preferences.addon.internal.StringFieldEditorRenderer.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.StringFieldEditor;

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

/**
 * @author rushan
 *
 */
public class StringFieldEditorRenderer extends FieldEditorRenderer<String> {

    @Inject
    StringFieldEditor editor;
    private TextField field;

    @Override
    public void render() {

        field = new TextField();
        field.setValue(getValue());
        // field.setCaption(editor.getLabel());

        CssLayout layout = new CssLayout();
        Label label = new Label(editor.getLabel());
        layout.addComponent(label);
        layout.addComponent(field);

        component = layout;
    }

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

    @Override
    public void setValue(String value) {
        if (value != null)
            getPreferences().put(editor.getPreferenceName(), value);
    }

    @Override
    public void validate() throws ValidationFailedException {
        if (field.getValue() != null && editor.getMaxLength() != null) {
            if (field.getValue().length() > editor.getMaxLength()) {
                throw new ValidationFailedException(editor.getLabel(),
                        "The length of text should not be greater than " + editor.getMaxLength());
            }
        }
    }

    @Override
    public void save() {
        setValue(field.getValue());
    }
}