001 /*
002 * Copyright 2012 GWT-Bootstrap
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package com.github.gwtbootstrap.client.ui.base;
017
018 import com.github.gwtbootstrap.client.ui.Icon;
019 import com.github.gwtbootstrap.client.ui.InputAddOn;
020 import com.github.gwtbootstrap.client.ui.constants.Constants;
021 import com.github.gwtbootstrap.client.ui.constants.IconSize;
022 import com.github.gwtbootstrap.client.ui.constants.IconType;
023 import com.google.gwt.uibinder.client.UiChild;
024 import com.google.gwt.user.client.ui.HasText;
025 import com.google.gwt.user.client.ui.IsWidget;
026
027 /**
028 * Input add-on.
029 * <p>
030 * AddOn can set text or icon.
031 * <h3>UiBinder Usage:</h3>
032 *
033 * <pre>
034 * {@code
035 * <!-- text addon -->
036 * <b:AddOn text="@"/>
037 *
038 * <!-- text addon another usage -->
039 * <b:AddOn>@</b:AddOn>
040 *
041 * <!-- icon addon -->
042 * <b:AddOn icon="STAR"/>
043 *
044 * <!-- widget addon -->
045 * <b:Addon><b:widget><b:CheckBox/></b:widget></b:AddOn>
046 * }
047 * </pre>
048 *
049 * </p>
050 *
051 * @since 2.0.4.0
052 *
053 * @author ohashi keisuke
054 * @see InputAddOn
055 * @see IconType
056 * @see <a
057 * href="http://twitter.github.com/bootstrap/base-css.html#forms">Bootstrap
058 * Docs</a>
059 */
060 public class AddOn extends ComplexWidget implements HasText, HasIcon {
061
062 /** text */
063 private String text;
064
065 /** icon */
066 private Icon icon = new Icon();
067
068 /**
069 * Creates an empty widget.
070 */
071 public AddOn() {
072 super("span");
073 setStyleName(Constants.ADD_ON);
074 }
075
076 /**
077 * {@inheritDoc}
078 */
079 public String getText() {
080 return getElement().getInnerText();
081 }
082
083 /**
084 * {@inheritDoc}
085 */
086 public void setText(String text) {
087 this.text = text;
088
089 if (icon.isAttached()) {
090 icon.removeFromParent();
091 }
092 getElement().setInnerText(text);
093 }
094
095 /**
096 * {@inheritDoc}
097 */
098 public void setIcon(IconType iconType) {
099
100 if (text != null) {
101 getElement().setInnerHTML("");
102 }
103
104 icon.setType(iconType);
105
106 if (!icon.isAttached()) {
107 add(icon);
108 }
109 }
110
111 /**
112 * {@inheritDoc}
113 */
114 @Override
115 public void setIconSize(IconSize size) {
116 icon.setIconSize(size);
117 }
118
119 /**
120 * Add widget. Its method is for uibinder syntax.
121 *
122 * @param w
123 * added widget
124 */
125 @UiChild(tagname = "widget", limit = 1)
126 public void addWidget(IsWidget w) {
127 add(w);
128 }
129
130 }