001/*
002 * #%L
003 * GwtMaterial
004 * %%
005 * Copyright (C) 2015 - 2017 GwtMaterialDesign
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 * 
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 * 
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package gwt.material.design.client.ui;
021
022import com.google.gwt.dom.client.Document;
023import com.google.gwt.user.client.ui.HasText;
024import gwt.material.design.client.base.AbstractValueWidget;
025import gwt.material.design.client.base.mixin.TextMixin;
026import gwt.material.design.client.constants.Color;
027import gwt.material.design.client.constants.CssName;
028
029//@formatter:off
030
031/**
032 * Material Label will extend to GWT Label functionality with other material specifications.
033 * <p>
034 * <h3>UiBinder Usage:</h3>
035 * <pre>
036 * {@code <m:MaterialLabel text="I love material design" />}
037 * </pre>
038 *
039 * @author kevzlou7979
040 * @author Ben Dol
041 * @see <a href="https://material.io/guidelines/style/typography.html">Material Design Specification</a>
042 */
043//@formatter:on
044public class MaterialLabel extends AbstractValueWidget<String> implements HasText {
045
046    private TextMixin<MaterialLabel> textMixin;
047
048    public MaterialLabel() {
049        super(Document.get().createSpanElement(), CssName.MATERIAL_LABEL);
050    }
051
052    public MaterialLabel(String text) {
053        this();
054        setText(text);
055    }
056
057    public MaterialLabel(String text, Color textColor) {
058        this(text);
059        setTextColor(textColor);
060    }
061
062    @Override
063    public String getText() {
064        return getValue();
065    }
066
067    @Override
068    public void setText(String text) {
069        setValue(text, true);
070    }
071
072    @Override
073    public void setValue(String value, boolean fireEvents) {
074        getTextMixin().setText(value);
075        super.setValue(value, fireEvents);
076    }
077
078    @Override
079    public String getValue() {
080        return getTextMixin().getText();
081    }
082
083    protected TextMixin<MaterialLabel> getTextMixin() {
084        if (textMixin == null) {
085            textMixin = new TextMixin<>(this);
086        }
087        return textMixin;
088    }
089}