Fix black workspace background in IE11.

blockly_compressed.js

@@ -1325,8 +1325,8 @@ Blockly.parseOptions_=function(a){var b=!!a.readOnly;if(b)var c=null,d=!1,e=!1,f
 "#888");m.length=m.length?parseFloat(m.length):1;m.snap=!!m.snap;var q="https://blockly-demo.appspot.com/static/media/";a.media?q=a.media:a.path&&(q=a.path+"media/");var n=!!a.realtime;return{RTL:!!a.rtl,collapse:f,comments:g,disable:h,readOnly:b,maxBlocks:a.maxBlocks||Infinity,pathToMedia:q,hasCategories:d,hasScrollbars:l,hasTrashcan:e,hasSounds:k,hasCss:p,languageTree:c,gridOptions:m,enableRealtime:n,realtimeOptions:n?a.realtimeOptions:void 0}};
 Blockly.createDom_=function(a,b){a.setAttribute("dir","LTR");goog.ui.Component.setDefaultRightToLeft(b.RTL);Blockly.Css.inject(b.hasCss,b.pathToMedia);var c=Blockly.createSvgElement("svg",{xmlns:"http://www.w3.org/2000/svg","xmlns:html":"http://www.w3.org/1999/xhtml","xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1","class":"blocklySvg"},a),d=Blockly.createSvgElement("defs",{},c),e,f;e=Blockly.createSvgElement("filter",{id:"blocklyEmboss"},d);Blockly.createSvgElement("feGaussianBlur",{"in":"SourceAlpha",
 stdDeviation:1,result:"blur"},e);f=Blockly.createSvgElement("feSpecularLighting",{"in":"blur",surfaceScale:1,specularConstant:.5,specularExponent:10,"lighting-color":"white",result:"specOut"},e);Blockly.createSvgElement("fePointLight",{x:-5E3,y:-1E4,z:2E4},f);Blockly.createSvgElement("feComposite",{"in":"specOut",in2:"SourceAlpha",operator:"in",result:"specOut"},e);Blockly.createSvgElement("feComposite",{"in":"SourceGraphic",in2:"specOut",operator:"arithmetic",k1:0,k2:1,k3:1,k4:0},e);e=Blockly.createSvgElement("filter",
-{id:"blocklyShadowFilter"},d);Blockly.createSvgElement("feGaussianBlur",{stdDeviation:2},e);e=Blockly.createSvgElement("pattern",{id:"blocklyDisabledPattern",patternUnits:"userSpaceOnUse",width:10,height:10},d);Blockly.createSvgElement("rect",{width:10,height:10,fill:"#aaa"},e);Blockly.createSvgElement("path",{d:"M 0 0 L 10 10 M 10 0 L 0 10",stroke:"#cc0"},e);d=Blockly.createSvgElement("pattern",{id:"blocklyGridPattern"+String(Math.random()).substring(2),patternUnits:"userSpaceOnUse",width:b.gridOptions.spacing,
-height:b.gridOptions.spacing},d);if(0<b.gridOptions.length&&0<b.gridOptions.spacing){e=Math.floor(b.gridOptions.spacing/2)+.5;f=e-b.gridOptions.length/2;var g=e+b.gridOptions.length/2;Blockly.createSvgElement("line",{x1:f,y1:e,x2:g,y2:e,stroke:b.gridOptions.colour},d);1<b.gridOptions.length&&Blockly.createSvgElement("line",{x1:e,y1:f,x2:e,y2:g,stroke:b.gridOptions.colour},d)}b.gridPattern=d;return b.svg=c};
+{id:"blocklyShadowFilter"},d);Blockly.createSvgElement("feGaussianBlur",{stdDeviation:2},e);e=Blockly.createSvgElement("pattern",{id:"blocklyDisabledPattern",patternUnits:"userSpaceOnUse",width:10,height:10},d);Blockly.createSvgElement("rect",{width:10,height:10,fill:"#aaa"},e);Blockly.createSvgElement("path",{d:"M 0 0 L 10 10 M 10 0 L 0 10",stroke:"#cc0"},e);d=Blockly.createSvgElement("pattern",{id:"blocklyGridPattern"+String(Math.random()).substring(2),patternUnits:"userSpaceOnUse",width:b.gridOptions.spacing||
+100,height:b.gridOptions.spacing||100},d);if(0<b.gridOptions.length&&0<b.gridOptions.spacing){e=Math.floor(b.gridOptions.spacing/2)+.5;f=e-b.gridOptions.length/2;var g=e+b.gridOptions.length/2;Blockly.createSvgElement("line",{x1:f,y1:e,x2:g,y2:e,stroke:b.gridOptions.colour},d);1<b.gridOptions.length&&Blockly.createSvgElement("line",{x1:e,y1:f,x2:e,y2:g,stroke:b.gridOptions.colour},d)}b.gridPattern=d;return b.svg=c};
 Blockly.createMainWorkspace_=function(a,b){b.parentWorkspace=null;b.getMetrics=Blockly.getMainWorkspaceMetrics_;b.setMetrics=Blockly.setMainWorkspaceMetrics_;var c=new Blockly.WorkspaceSvg(b);a.appendChild(c.createDom("blocklyMainBackground"));c.markFocused();b.readOnly||b.hasScrollbars||c.addChangeListener(function(){if(0==Blockly.dragMode_){var a=c.getMetrics(),e=a.viewLeft+a.absoluteLeft,f=a.viewTop+a.absoluteTop;if(a.contentTop<f||a.contentTop+a.contentHeight>a.viewHeight+f||a.contentLeft<(b.RTL?
 a.viewLeft:e)||a.contentLeft+a.contentWidth>(b.RTL?a.viewWidth:a.viewWidth+e))for(var g=c.getTopBlocks(!1),h=0,k;k=g[h];h++){var l=k.getRelativeToSurfaceXY(),p=k.getHeightWidth(),m=f+25-p.height-l.y;0<m&&k.moveBy(0,m);m=f+a.viewHeight-25-l.y;0>m&&k.moveBy(0,m);m=25+e-l.x-(b.RTL?0:p.width);0<m&&k.moveBy(m,0);m=e+a.viewWidth-25-l.x+(b.RTL?p.width:0);0>m&&k.moveBy(m,0)}}});Blockly.svgResize(c);Blockly.WidgetDiv.createDom();Blockly.Tooltip.createDom();return c};
 Blockly.init_=function(a){var b=a.options,c=a.options.svg;Blockly.bindEvent_(c,"contextmenu",null,function(a){Blockly.isTargetInput_(a)||a.preventDefault()});Blockly.bindEvent_(c,"touchstart",null,function(a){Blockly.longStart_(a,null)});Blockly.bindEvent_(window,"resize",null,function(){Blockly.svgResize(a)});Blockly.documentEventsBound_||(Blockly.bindEvent_(document,"keydown",null,Blockly.onKeyDown_),Blockly.bindEvent_(document,"touchend",null,Blockly.longStop_),Blockly.bindEvent_(document,"touchcancel",

core/inject.js

@@ -288,8 +288,8 @@ Blockly.createDom_ = function(container, options) {
   var gridPattern = Blockly.createSvgElement('pattern',
       {'id': 'blocklyGridPattern' + String(Math.random()).substring(2),
        'patternUnits': 'userSpaceOnUse',
-       'width': options.gridOptions['spacing'],
-       'height': options.gridOptions['spacing']}, defs);
+       'width': options.gridOptions['spacing'] || 100,
+       'height': options.gridOptions['spacing'] || 100}, defs);
   if (options.gridOptions['length'] > 0 && options.gridOptions['spacing'] > 0) {
     var half = Math.floor(options.gridOptions['spacing'] / 2) + .5;
     var start = half - options.gridOptions['length'] / 2;