svgedit/editor/extensions/ext-server_moinsave.js

/* eslint-disable no-var */
/* globals svgEditor, svgedit, svgCanvas, canvg, $, top */
/*
 * ext-server_moinsave.js
 *
 * Licensed under the MIT License
 *
 * Copyright(c) 2010 Alexis Deveria
 *              2011 MoinMoin:ReimarBauer
 *                   adopted for moinmoins item storage. it sends in one post png and svg data
 *                   (I agree to dual license my work to additional GPLv2 or later)
 *
 */

svgEditor.addExtension('server_opensave', {
  callback: function () {
    'use strict';
    var Utils = svgedit.utilities;
    var saveSvgAction = '/+modify';

    // Create upload target (hidden iframe)
    /* var target = */ $('<iframe name="output_frame" src="#"/>').hide().appendTo('body');

    svgEditor.setCustomHandlers({
      save: function (win, data) {
        var svg = '<?xml version="1.0"?>\n' + data;
        var qstr = $.param.querystring();
        var name = qstr.substr(9).split('/+get/')[1];
        var svgData = Utils.encode64(svg);
        if (!$('#export_canvas').length) {
          $('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');
        }
        var c = $('#export_canvas')[0];
        c.width = svgCanvas.contentW;
        c.height = svgCanvas.contentH;
        Utils.buildCanvgCallback(function () {
          canvg(c, svg, {renderCallback: function () {
            var datauri = c.toDataURL('image/png');
            // var uiStrings = svgEditor.uiStrings;
            var pngData = Utils.encode64(datauri); // Brett: This encoding seems unnecessary
            /* var form = */ $('<form>').attr({
              method: 'post',
              action: saveSvgAction + '/' + name,
              target: 'output_frame'
            }).append('<input type="hidden" name="png_data" value="' + pngData + '">')
              .append('<input type="hidden" name="filepath" value="' + svgData + '">')
              .append('<input type="hidden" name="filename" value="' + 'drawing.svg">')
              .append('<input type="hidden" name="contenttype" value="application/x-svgdraw">')
              .appendTo('body')
              .submit().remove();
          }});
        })();
        alert('Saved! Return to Item View!');
        top.window.location = '/' + name;
      }
    });
  }
});