123 lines
3.2 KiB
Java
123 lines
3.2 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.widgets.ckancontentmoderator.client.ui;
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import org.gcube.portlets.widgets.ckancontentmoderator.client.events.IFrameInstanciedEvent;
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import org.gcube.portlets.widgets.ckancontentmoderator.client.events.IFrameInstanciedEvent.OPERATION;
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import org.gcube.portlets.widgets.ckancontentmoderator.client.resources.ContentModeratorWidgetResources;
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import com.google.gwt.core.shared.GWT;
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import com.google.gwt.dom.client.Style.Display;
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import com.google.gwt.dom.client.Style.Unit;
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import com.google.gwt.event.dom.client.LoadEvent;
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import com.google.gwt.event.dom.client.LoadHandler;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.http.client.URL;
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import com.google.gwt.user.client.Random;
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import com.google.gwt.user.client.ui.FlowPanel;
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import com.google.gwt.user.client.ui.Frame;
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import com.google.gwt.user.client.ui.Image;
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import com.google.gwt.user.client.ui.NamedFrame;
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/**
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* The Class CkanFramePanel.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* Jun 23, 2021
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*/
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public class CkanFramePanel extends FlowPanel{
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private NamedFrame frame;
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//private static final String FRAME_NAME = "ckan-content-frame";
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private HandlerManager eventBus;
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private Image loading = new Image(ContentModeratorWidgetResources.ICONS.loading());
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private String messageToSend;
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private String iFrameRandomName;
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/**
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* Instantiates a new ckan frame panel.
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*
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* @param eventBus the event bus
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*/
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public CkanFramePanel(HandlerManager eventBus) {
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this.eventBus = eventBus;
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addLoading();
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}
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/**
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* Prints the.
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*
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* @param msg the msg
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*/
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private static native void print(String msg)/*-{
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console.log(msg);
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}-*/;
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/**
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* Instance frame.
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*
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* @param datasetURL the dataset URL
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* @return the frame
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*/
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public Frame instanceFrame(String datasetURL) {
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GWT.log("Instancing new IFRAME with uri: "+datasetURL);
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try{
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if(frame != null)
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remove(frame);
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}catch(Exception e){
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print("Error " + e);
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}
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addLoading();
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String urlEncoded = URL.encode(datasetURL);
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GWT.log("Encoded url for instanciating frame is " + urlEncoded);
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iFrameRandomName = Random.nextInt() + "dataset-iframe"+Random.nextInt();
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frame = new NamedFrame(iFrameRandomName);
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frame.setUrl(urlEncoded);
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frame.getElement().setId(iFrameRandomName);
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frame.setWidth("100%");
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frame.setHeight("580px");
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// frame.setHeight("100%");
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// frame.getElement().getStyle().setOverflow(Overflow.HIDDEN);
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// frame.getElement().setAttribute("scrolling", "no");
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frame.getElement().getStyle().setBorderWidth(0, Unit.PX);
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frame.addLoadHandler(new LoadHandler() {
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@Override
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public void onLoad(LoadEvent arg0) {
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CkanFramePanel.this.remove(loading);
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eventBus.fireEvent(new IFrameInstanciedEvent(frame, OPERATION.ONLOAD));
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}
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});
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add(frame);
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frame.setVisible(true);
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eventBus.fireEvent(new IFrameInstanciedEvent(frame, OPERATION.INIT));
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return frame;
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}
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/**
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* Gets the frame.
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*
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* @return the frame
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*/
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public Frame getFrame() {
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return frame;
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}
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/**
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* add loading image.
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*/
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private void addLoading(){
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this.add(loading);
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loading.getElement().getStyle().setProperty("margin", "auto");
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loading.getElement().getStyle().setDisplay(Display.BLOCK);
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}
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}
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