com.lushprojects.circuitjs1.client.gui.ExportAsLocalFileDialog.java Source code

Introduction

Here is the source code for com.lushprojects.circuitjs1.client.gui.ExportAsLocalFileDialog.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.gui;

import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Anchor;
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.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;

public class ExportAsLocalFileDialog extends DialogBox {

    VerticalPanel vp;

    static public final native boolean downloadIsSupported()
    /*-{
       return !!(("download" in $doc.createElement("a")));
     }-*/;

    static public final native String getBlobUrl(String data)
    /*-{
       var datain=[""];
       datain[0]=data;
       var blob=new Blob(datain, {type: 'text/plain' } );
       var url = URL.createObjectURL(blob);
       return url;
    }-*/;

    public ExportAsLocalFileDialog(String data) {
        super();
        Button okButton;
        Anchor a;
        String url;
        vp = new VerticalPanel();
        setWidget(vp);
        setText("Export as Local File");
        vp.add(new Label("Click on the link below to save your circuit"));
        url = getBlobUrl(data);
        a = new Anchor("my circuit.txt", url);
        a.getElement().setAttribute("Download", "my circuit.txt");
        vp.add(a);
        vp.add(okButton = new Button("OK"));
        okButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                closeDialog();
            }
        });
        this.center();
    }

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

}