com.lushprojects.circuitjs1.client.ExportAsUrlDialog.java Source code

Introduction

Here is the source code for com.lushprojects.circuitjs1.client.ExportAsUrlDialog.java

Source

/*    
Copyright (C) Paul Falstad and Iain Sharp
    
This file is part of CircuitJS1.
    
CircuitJS1 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
    
CircuitJS1 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with CircuitJS1.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.lushprojects.circuitjs1.client;

import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.Window.Location;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.http.client.URL;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.RichTextArea;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.http.client.Request;

public class ExportAsUrlDialog extends DialogBox {

    VerticalPanel vp;
    Button shortButton;
    static RichTextArea tb;
    String requrl;

    public boolean shortIsSupported() {
        return circuitjs1.shortRelaySupported;
    }

    //   static public final native boolean bitlyIsSupported() 
    //   /*-{
    //      return !!($wnd.bitlytoken !==undefined && $wnd.bitlytoken !==null);
    //   }-*/;
    //   

    static public void createShort(String urlin) {
        String url;
        url = "shortrelay.php" + "?v=" + urlin;
        tb.setText("Waiting for short URL for web service...");
        RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);
        try {
            requestBuilder.sendRequest(null, new RequestCallback() {
                public void onError(Request request, Throwable exception) {
                    GWT.log("File Error Response", exception);
                }

                public void onResponseReceived(Request request, Response response) {
                    // processing goes here
                    if (response.getStatusCode() == Response.SC_OK) {
                        String text = response.getText();
                        tb.setText(text);
                        // end or processing
                    } else {
                        String text = "Shortner error:" + response.getStatusText();
                        tb.setText(text);
                        GWT.log(text);
                    }
                }
            });
        } catch (RequestException e) {
            GWT.log("failed file reading", e);
        }
    }

    public ExportAsUrlDialog(String dump) {
        super();
        String start[] = Location.getHref().split("\\?");
        dump = dump.replace(' ', '+');
        String query = "?cct=" + URL.encode(dump);
        dump = start[0] + query;
        requrl = URL.encodeQueryString(query);
        Button okButton;

        Label la1, la2;
        vp = new VerticalPanel();
        setWidget(vp);
        setText(CirSim.LS("Export as URL"));
        vp.add(new Label(CirSim.LS("URL for this circuit is...")));
        if (dump.length() > 2000) {
            vp.add(la1 = new Label(
                    CirSim.LS(
                            "Warning: this URL is longer than 2000 characters and may not work in some browsers."),
                    true));
            la1.setWidth("300px");
        }
        vp.add(tb = new RichTextArea());
        tb.setText(dump);
        //      tb.setMaxLength(s.length());
        //      tb.setVisibleLength(s.length());
        vp.add(la2 = new Label(CirSim.LS(
                "To save this URL select it all (eg click in text and type control-A) and copy to your clipboard (eg control-C) before pasting to a suitable place."),
                true));
        la2.setWidth("300px");

        HorizontalPanel hp = new HorizontalPanel();
        hp.setWidth("100%");
        hp.setStyleName("topSpace");
        hp.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
        hp.add(okButton = new Button(CirSim.LS("OK")));
        vp.add(hp);
        if (shortIsSupported()) {
            hp.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);

            hp.add(shortButton = new Button(CirSim.LS("Create short URL")));
            shortButton.addClickHandler(new ClickHandler() {
                public void onClick(ClickEvent event) {
                    shortButton.setVisible(false);
                    createShort(requrl);
                }
            });
        }
        okButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                closeDialog();
            }
        });
        this.center();
    }

    protected void closeDialog() {
        this.hide();
    }

}