    001// Licensed under the Apache License, Version 2.0 (the "License");
    002// you may not use this file except in compliance with the License.
    003// You may obtain a copy of the License at
    004//
    005//     http://www.apache.org/licenses/LICENSE-2.0
    006//
    007// Unless required by applicable law or agreed to in writing, software
    008// distributed under the License is distributed on an "AS IS" BASIS,
    009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    010// See the License for the specific language governing permissions and
    011// limitations under the License.
    012
    013package org.apache.tapestry5.corelib.components;
    014
    015import org.apache.tapestry5.BindingConstants;
    016import org.apache.tapestry5.MarkupWriter;
    017import org.apache.tapestry5.annotations.Parameter;
    018import org.apache.tapestry5.corelib.base.AbstractTextField;
    019
    020/**
    021 * TextField component corresponds to {@code <input>} element. The value parameter will be edited (read when the containing
    022 * {@link Form} is rendered, and updated when the form is submitted). TextField
    023 * is generally used with string values, but other values are acceptable, as long as they can be freely converted back
    024 * and forth to strings.
    025 *
    026 * Includes the <code>size</code> attribute, if a {@link org.apache.tapestry5.beaneditor.Width} annotation is present on
    027 * the property bound to the value parameter.
    028 *
    029 * @tapestrydoc
    030 */
    031public class TextField extends AbstractTextField
    032{
    033    /**
    034     * Sets the type attribute of the {@code <input>} element. The default is "text", but this can be overriden
    035     * when using <a href="http://www.w3.org/TR/html5/the-input-element.html">HTML5</a> types such as "number".
    036     */
    037    @Parameter(allowNull = false, value = "text", defaultPrefix = BindingConstants.LITERAL)
    038    private String type;
    039
    040    @Override
    041    protected void writeFieldTag(MarkupWriter writer, String value)
    042    {
    043        writer.element("input",
    044
    045                       "type", type,
    046
    047                       "name", getControlName(),
    048
    049                       "class", cssClass,
    050
    051                       "id", getClientId(),
    052
    053                       "value", value,
    054
    055                       "size", getWidth());
    056    }
    057
    058    final void afterRender(MarkupWriter writer)
    059    {
    060        writer.end(); // input
    061    }
    062
    063}