gwt.material.design.addins.client.livestamp.MaterialLiveStamp Maven / Gradle / Ivy

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Extra Components of GWT Material Framework
There is a newer version: 2.8.3
/*
 * #%L
 * GwtMaterial
 * %%
 * Copyright (C) 2015 - 2017 GwtMaterialDesign
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package gwt.material.design.addins.client.livestamp;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import gwt.material.design.addins.client.MaterialAddins;
import gwt.material.design.client.MaterialDesignBase;
import gwt.material.design.client.base.AbstractValueWidget;
import gwt.material.design.client.base.JsLoader;

import java.util.Date;

//@formatter:off

/**
 * The livestamp will update automatically as time goes by.
 * 
 * 
XML Namespace Declaration
 *  * {@code
 * xmlns:ma='urn:import:gwt.material.design.addins.client'
 * }
 * 
 * 
 * 
UiBinder Usage:
 *  * {@code
 * 
 * // Configure the dates
 * livestamp.setDate(new Date(115, 2, 1));
 * }
 * 
 *
 * @author kevzlou7979
 * @see Material Live Stamp
 * @see LiveStamp 1.1.2
 */
public class MaterialLiveStamp extends AbstractValueWidget implements JsLoader {

    private Date date = new Date();

    static {
        if (MaterialAddins.isDebug()) {
            MaterialDesignBase.injectDebugJs(MaterialLiveStampDebugClientBundle.INSTANCE.momentDebugJs());
            MaterialDesignBase.injectDebugJs(MaterialLiveStampDebugClientBundle.INSTANCE.liveStampDebugJs());
        } else {
            MaterialDesignBase.injectJs(MaterialLiveStampClientBundle.INSTANCE.momentJs());
            MaterialDesignBase.injectJs(MaterialLiveStampClientBundle.INSTANCE.liveStampJs());
        }
    }

    public MaterialLiveStamp() {
        super(Document.get().createSpanElement());
    }

    @Override
    protected void onLoad() {
        super.onLoad();

        load();
    }

    @Override
    public void load() {
        if (date != null) {
            setValue(date);
        } else {
            GWT.log("You must specify the date value.", new IllegalStateException());
        }
    }

    @Override
    public void unload() {
        getElement().removeAttribute("data-livestamp");
    }

    @Override
    public void reload() {
        unload();
        load();
    }

    @Override
    public void setValue(Date date, boolean fireEvents) {
        this.date = date;

        getElement().setAttribute("data-livestamp", date.toString());

        super.setValue(date, fireEvents);
    }

    @Override
    public Date getValue() {
        return date;
    }
}