com.tasktop.c2c.server.common.profile.web.client.ValidatingTextBox.java Source code

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Here is the source code for com.tasktop.c2c.server.common.profile.web.client.ValidatingTextBox.java

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/*******************************************************************************
 * Copyright (c) 2010, 2012 Tasktop Technologies
 * Copyright (c) 2010, 2011 SpringSource, a division of VMware
 * 
 * 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:
 *     Tasktop Technologies - initial API and implementation
 ******************************************************************************/
package com.tasktop.c2c.server.common.profile.web.client;

import java.util.Map;

import com.google.gwt.editor.client.IsEditor;
import com.google.gwt.editor.ui.client.adapters.ValueBoxEditor;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TextBox;
import com.tasktop.c2c.server.tasks.domain.AbstractDomainObject;

public class ValidatingTextBox extends Composite implements IsEditor<ValueBoxEditor<String>> {

    private FlowPanel flowPanel = new FlowPanel();
    private TextBox textBox = new TextBox();
    private Label label = new Label();

    private Map<String, String> errorMap;
    private String fieldName;
    private AbstractDomainObject domainObject;

    public ValidatingTextBox() {
        flowPanel.add(textBox);
        flowPanel.add(label);

        // Prepare our label's style settings. It can stay red forever since it'll be made visible and invisible.
        label.setVisible(false);
        label.setStylePrimaryName("errorLabel");

        // Set the border of the panel to be hidden for now.
        flowPanel.addStyleName("errorLabelWrapperHidden");

        initWidget(flowPanel);
    }

    public Map<String, String> getErrorMap() {
        return errorMap;
    }

    public void setErrorMap(Map<String, String> errorMap) {
        this.errorMap = errorMap;
    }

    public String getFieldName() {
        return fieldName;
    }

    public void setFieldName(String fieldName) {
        this.fieldName = fieldName;
    }

    public AbstractDomainObject getDomainObject() {
        return domainObject;
    }

    public void setDomainObject(AbstractDomainObject domainObject) {
        this.domainObject = domainObject;
    }

    public String getText() {
        return textBox.getText();
    }

    public void setText(String newText) {
        this.textBox.setText(newText);
        redraw();
    }

    public void redraw() {
        // the setText() method is used to trigger a re-render, so check now to see if we should render an error.
        if (ValidationUtils.hasError(domainObject, fieldName, errorMap)) {
            // Make our overall panel red
            flowPanel.removeStyleName("errorLabelWrapperHidden");
            flowPanel.addStyleName("errorLabelWrapper");

            // Set the label's text, and make it visible.
            label.setText(ValidationUtils.getErrorMessage(domainObject, fieldName, errorMap));
            label.setVisible(true);

        } else {

            // hide our label
            label.setVisible(false);
            flowPanel.removeStyleName("errorLabelWrapper");
            flowPanel.addStyleName("errorLabelWrapperHidden");
        }
    }

    @Override
    public ValueBoxEditor<String> asEditor() {
        return textBox.asEditor();
    }
}