gwt.material.design.addins.client.docviewer.MaterialDocViewer 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.docviewer;

import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import gwt.material.design.client.base.AbstractValueWidget;
import gwt.material.design.client.base.MaterialWidget;

//@formatter:off

/**
 * A document viewer for your word, excel, powerpoint, pdf and other  supported
 * file types . 

 * Note that this viewer only work with public files.
 * 
 * 
XML Namespace Declaration
 *  * {@code
 * xmlns:ma='urn:import:gwt.material.design.addins.client'
 * }
 * 
 * 
 * 
UiBinder Usage:
 *  * {@code
 * 
 * }
 * 
 *
 * @author kevzlou7979
 * @see Doc Viewer
 */
//@formatter:on
public class MaterialDocViewer extends AbstractValueWidget {

    private String url;
    private boolean embedded = true;

    public MaterialDocViewer() {
        super(Document.get().createIFrameElement());
    }

    public MaterialDocViewer(String url) {
        this();
        setUrl(url);
    }

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

        updateSrc();
    }

    @Override
    public String getValue() {
        return url;
    }

    @Override
    public void setValue(String value, boolean fireEvents) {
        this.url = value;
        updateSrc();
        super.setValue(value, fireEvents);
    }

    /**
     * Get the url of the Iframe component.
     */
    public String getUrl() {
        return getValue();
    }

    /**
     * Set the url of the public document.
     */
    public void setUrl(String url) {
        setValue(url, true);
    }

    /**
     * Check whether the iframe is embedded or not.
     */
    public boolean isEmbedded() {
        return embedded;
    }

    /**
     * Set the embedded value of the iframe.
     */
    public void setEmbedded(boolean embedded) {
        this.embedded = embedded;
        updateSrc();
    }

    protected void updateSrc() {
        Element element = getElement();
        if(element != null) {
            element.setAttribute("src", "https://docs.google.com/gview?url=" + url + "&embedded=" + embedded);
        }
    }
}