/*
 * ext-server_moinsave.js
 *
 * Licensed under the Apache License, Version 2
 *
 * 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)
 *
 */

methodDraw.addExtension("server_opensave", {
  callback: function() {

    var save_svg_action = '/+modify';
    
    // Create upload target (hidden iframe)
    var target = $('<iframe name="output_frame" src="#"/>').hide().appendTo('body');
  
    methodDraw.setCustomHandlers({
      save: function(win, data) {
        var svg = "<?xml version=\"1.0\"?>\n" + data;
        var qstr = $.param.querystring();
        var name = qstr.substr(9).split('/+get/')[1];
        var svg_data = svgedit.utilities.encode64(svg);
        if(!$('#export_canvas').length) {
          $('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');
        }
        var c = $('#export_canvas')[0];
        c.width = svgCanvas.contentW;
        c.height = svgCanvas.contentH;
        $.getScript('canvg/canvg.js', function() {
        canvg(c, svg, {renderCallback: function() {
          var datauri = c.toDataURL('image/png');
          var uiStrings = methodDraw.uiStrings;
          var png_data = svgedit.utilities.encode64(datauri);
          var form = $('<form>').attr({
          method: 'post',
          action: save_svg_action + '/' + name,
          target: 'output_frame'
        })  .append('<input type="hidden" name="png_data" value="' + png_data + '">')
          .append('<input type="hidden" name="filepath" value="' + svg_data + '">')
          .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;
      },
    });
  
  }
});