/
protovis-msie.js
1064 lines (931 loc) · 30.8 KB
/
protovis-msie.js
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/*!
* Protovis MSIE/VML addon
* Copyright (C) 2011 by DataMarket <http://datamarket.com>
* Dual licensed under the terms of the MIT or GPL Version 2 software licenses.
*
* This software includes code from jQuery, http://jquery.com/
* jQuery is licensed under the MIT or GPL Version 2 license.
*
* This software includes code from the Protovis, http://mbostock.github.com/protovis/
* Protovis is licensed under the BSD license.
*
*/
// detect SVG support
pv.have_SVG = !!(
document.createElementNS &&
document.createElementNS( 'http://www.w3.org/2000/svg', 'svg' ).createSVGRect
);
// detect VML support
pv.have_VML = (function (d,a,b) {
a = d.createElement('div');
a.innerHTML = '<v:shape adj="1" />';
b = a.firstChild;
b.style.behavior = 'url(#default#VML)';
return b ? typeof b.adj === 'object' : true;
})(document);
// MSIE does not support indexOf on arrays
if ( !Array.prototype.indexOf ) {
Array.prototype.indexOf = function (s, from) {
var n = this.length >>> 0,
i = (!isFinite(from) || from < 0) ? 0 : (from > this.length) ? this.length : from;
for (; i < n; i++) { if ( this[i] === s ) { return i; } }
return -1;
};
}
// only run if we need to
if ( !pv.have_SVG && pv.have_VML ){(function(){
if ( typeof Date.now !== 'function' ) {
Date.now = function () { return new Date() * 1; };
}
var vml = {
round: function(n){ return Math.round( n * 21.6 ); },
styles: null,
pre: '<v:',
post: ' class="msvml">',
block: { 'group':1, 'shape':1, 'shapetype':1, 'line':1,
'polyline':1, 'curve':1, 'rect':1, 'roundrect':1,
'oval':1, 'arc':1, 'image':1 },
ends: { 'butt':'flat','round':'round','square':'square','flat':'flat'},
joins: { 'bevel':'bevel','round':'round','miter':'miter'},
cursorstyles: {
'hand': 'pointer',
'crosshair': 1, 'pointer': 1, 'move': 1, 'text': 1,
'wait': 1, 'help': 1, 'progress': 1,
'n-resize': 1, 'ne-resize': 1, 'nw-resize': 1, 's-resize': 1,
'se-resize': 1, 'sw-resize': 1, 'e-resize': 1, 'w-resize': 1
},
text_shim: null,
_textcache: {},
text_dims: function ( text, font ) {
if ( !(font in vml._textcache) ) {
vml._textcache[ font ] = {};
}
if ( text in vml._textcache[ font ] ) {
return vml._textcache[ font ][ text ];
}
var shim = vml.text_shim;
shim.style.font = font;
shim.innerText = text;
return (vml._textcache[ font ][ text ] = {
fontsize: parseInt( shim.style.fontSize, 10 ),
height: shim.offsetHeight,
width: shim.offsetWidth
});
},
d2r: Math.PI * 2 / 360, // is this used more than once?
get_dim: function ( attr, target ) {
var o = target || {};
// reformat the most common attributes
o.translate_x = 0;
o.translate_y = 0;
if ( attr.transform ) {
var t = /translate\((\d+(?:\.\d+)?)(?:,(\d+(?:\.\d+)?))?\)/.exec( attr.transform );
if ( t && t[1] ) { o.translate_x = parseFloat( t[1] ); }
if ( t && t[2] ) { o.translate_y = parseFloat( t[2] ); }
var r = /rotate\((\d+\.\d+|\d+)\)/.exec( attr.transform );
if ( r ) { o.rotation = parseFloat( r[1] ) % 360; }
// var scale_x = 1, scale_y = 1,
// var s = /scale\((\d+)(?:,(\d+))?\)/i.exec( value );
// if ( s && s[1] ) { scale[0] = parseInt( s[1], 10 ); }
// if ( s && s[2] ) { scale[1] = parseInt( s[2], 10 ); }
}
o.x = parseFloat( attr.x||0 );
o.y = parseFloat( attr.y||0 );
if ( 'width' in attr ) {
o.width = parseInt( attr.width, 10 );
}
if ( 'height' in attr ) {
o.height = parseInt( attr.height, 10 );
}
return o;
},
elm_defaults: {
"g": {
rewrite: 'span',
attr: function ( attr, style, elm ) {
var d = vml.get_dim( attr );
elm.style.cssText = "position:absolute;zoom:1;left:"+
(d.translate_x + d.x)+"px;top:"+
(d.translate_y + d.y)+"px;";
}
},
"line": {
rewrite: 'shape',
attr: function ( attr, style, elm ) {
var x1 = parseFloat( attr.x1 || 0 ),
y1 = parseFloat( attr.y1 || 0 ),
x2 = parseFloat( attr.x2 || 0 ),
y2 = parseFloat( attr.y2 || 0 ),
r = vml.round;
elm.coordorigin = "0,0";
elm.coordsize = "21600,21600";
vml.path( elm ).v = 'M '+ r(x1) + ' ' + r(y1) + ' L ' + r(x2) + ' ' + r(y2) + ' E';
vml.stroke( elm, attr );
},
css: "top:0px;left:0px;width:1000px;height:1000px"
},
"rect": {
rewrite: 'shape',
attr: function ( attr, style, elm ) {
var d = vml.get_dim( attr ),
p = vml.path( elm ),
r = vml.round;
elm.coordorigin = "0,0";
elm.coordsize = "21600,21600";
var x = r(d.translate_x + d.x),
y = r(d.translate_y + d.y),
w = r(d.width),
h = r(d.height);
p.v = 'M ' + x + ' ' + y +
' L ' + (x + w) + ' ' + y +
' L ' + (x + w) + ' ' + (y + h) +
' L ' + x + ' ' + (y + h) +
' x';
vml.stroke( elm, attr );
vml.fill( elm, attr );
},
css: "top:0px;left:0px;width:1000px;height:1000px"
},
"path": {
rewrite: 'shape',
attr: function ( attr, style, elm ) {
var d = vml.get_dim( attr ),
es = elm.style;
es.left = (d.translate_x + d.x) + "px";
es.top = (d.translate_y + d.y) + "px";
elm.coordorigin = "0,0";
elm.coordsize = "21600,21600";
vml.path( elm, attr.d );
vml.fill( elm, attr );
vml.stroke( elm, attr );
},
css: "top:0px;left:0px;width:1000px;height:1000px"
},
"circle": {
/* This version of circles is crisper but seems slower
rewrite: 'shape',
attr: function ( attr, style, elm ) {
var d = vml.get_dim( attr ),
r = vml.round( parseFloat( attr.r || 0 ) ),
cx = parseFloat( attr.cx || 0 ),
cy = parseFloat( attr.cy || 0 ),
es = elm.style;
es.left = (d.translate_x + d.x + cx + 0.3) + "px";
es.top = (d.translate_y + d.y + cy + 0.3) + "px";
elm.coordorigin = "0,0";
elm.coordsize = "21600,21600";
vml.path( elm ).v = "ar-" + r + ",-" + r + "," + r + "," + r + ",0,0,0,0x";
vml.fill( elm, attr );
vml.stroke( elm, attr );
},
css: "top:0px;left:0px;width:1000px;height:1000px"
*/
rewrite: 'oval',
attr: function ( attr, style, elm ) {
var d = vml.get_dim( attr ),
es = elm.style,
cx = parseFloat( attr.cx || 0 ) + 0.7,
cy = parseFloat( attr.cy || 0 ) + 0.7,
r = parseFloat( attr.r || 0 ) + 0.5;
es.top = ( d.translate_y + cy - r ) + "px";
es.left = ( d.translate_x + cx - r ) + "px";
es.width = ( r * 2 ) + "px";
es.height = ( r * 2 ) + "px";
vml.fill( elm, attr );
vml.stroke( elm, attr );
}
},
"text": {
rewrite: 'span'
},
"svg": {
rewrite: 'span',
css: 'position:relative;overflow:hidden;display:inline-block;~display:block;'
},
// this allows reuse of the createElement function for actual VML
"vml:path": { rewrite: 'path' },
"vml:stroke": { rewrite: 'stroke' },
"vml:fill": { rewrite: 'fill' }
},
// cloning elements is a lot faster than creating them
_elmcache: {
'span': document.createElement( 'span' ),
'div': document.createElement( 'div' )
},
createElement: function ( type, reformat ) {
var elm,
cache = vml._elmcache,
helper = vml.elm_defaults[ type ] || {};
var tagName = helper.rewrite || type;
if ( tagName in cache ) {
elm = cache[ tagName ].cloneNode( false );
}
else {
cache[ tagName ] = document.createElement( vml.pre + tagName + vml.post );
if ( tagName in vml.block ) {
cache[ tagName ].className += ' msvml_block';
}
elm = cache[ tagName ].cloneNode( false );
}
helper.css && (elm.style.cssText = helper.css);
return elm;
},
// hex values lookup table
_hex: pv.range(0,256).map(function(i){ return pv.Format.pad("0",2,i.toString(16)); }),
_colorcache: {},
color: function ( value, rgb ) {
// TODO: deal with opacity here ?
if ( !(value in vml._colorcache) && (rgb = /^rgb\((\d+),(\d+),(\d+)\)$/i.exec( value )) ) {
vml._colorcache[value] = '#' + vml._hex[rgb[1]] + vml._hex[rgb[2]] + vml._hex[rgb[3]];
}
return vml._colorcache[ value ] || value;
},
fill: function ( elm, attr ) {
var fill = elm.getElementsByTagName( 'fill' )[0];
if ( !fill ) {
fill = elm.appendChild( vml.createElement( 'vml:fill' ) );
}
if ( !attr.fill || attr.fill === 'none' ) {
fill.on = false;
}
else {
fill.on = 'true';
fill.color = vml.color( attr.fill );
fill.opacity = parseFloat( attr['fill-opacity'] || '1' ) || '1';
}
},
stroke: function ( elm, attr ) {
var stroke = elm.getElementsByTagName( 'stroke' )[0];
if ( !stroke ) {
stroke = elm.appendChild( vml.createElement( 'vml:stroke' ) );
}
if ( !attr.stroke || attr.stroke === 'none' ) {
stroke.on = 'false';
stroke.weight = '0';
}
else {
stroke.on = 'true';
stroke.weight = parseFloat( attr['stroke-width'] || '1' ) / 1.25;
stroke.color = vml.color( attr.stroke ) || 'black';
stroke.opacity = parseFloat( attr['stroke-opacity'] || '1' ) || '1';
stroke.joinstyle = vml.joins[ attr['stroke-linejoin'] ] || 'miter';
}
},
path: function ( elm, svgpath ) {
var p = elm.getElementsByTagName( 'path' )[0];
if ( !p ) {
p = elm.appendChild( vml.createElement( 'vml:path' ) );
}
if ( arguments.length > 1 ) {
p.v = vml.rewritePath( svgpath );
}
return p;
},
init: function () {
if ( !vml.text_shim ) {
vml.text_shim = document.getElementById('pv_vml_text_shim') || document.createElement('span');
vml.text_shim.id = 'protovisvml_text_shim';
vml.text_shim.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline-block;white-space:nowrap;";
document.body.appendChild( vml.text_shim );
}
if ( !vml.styles ) {
vml.styles = document.getElementById('protovisvml_styles') || document.createElement("style");
if ( vml.styles.id !== 'protovisvml_styles' ) {
vml.styles.id = 'protovisvml_styles';
document.documentElement.firstChild.appendChild( vml.styles );
vml.styles.styleSheet.addRule( '.msvml', 'behavior:url(#default#VML);' );
vml.styles.styleSheet.addRule( '.msvml_block', 'position:absolute;top:0;left:0;' );
}
try {
if ( !document.namespaces.v ) { document.namespaces.add( 'v', 'urn:schemas-microsoft-com:vml' ); }
}
catch (e) {
vml.pre = '<';
vml.post = ' class="msvml" xmlns="urn:schemas-microsoft.com:vml">';
}
}
},
// SVG->VML path conversion - This converts a SVG path to a VML path
//
// Things that are missing:
// - Multiple sets of coords.
// Some commands (lineto,curveto,..) can take multiple sets of coords.
// Because Protovis always supplies the command between arguments, this isn't
// implemented, but it would be trivial to complete this.
// - ARCs need solving
_pathcache: {},
rewritePath:function ( p, deb ) {
var x = 0, y = 0, round = vml.round;
if ( !p ) { return p; }
if ( p in vml._pathcache ) { return vml._pathcache[p]; }
// clean up overly detailed fractions (8.526512829121202e-148)
p = p.replace( /(\d*)((\.*\d*)(e ?-?\d*))/g, "$1");
var bits = p.match( /([MLHVCSQTAZ][^MLHVCSQTAZ]*)/gi );
var np = [], lastcurve = [];
for ( var i=0,bl=bits.length; i<bl; i++ ) {
var itm = bits[i],
op = itm.charAt( 0 ),
args = itm.substring( 1 ).split( /[, ]/ );
switch ( op ) {
case 'M': // moveto (absolute)
op = 'm';
x = round( args[0] );
y = round( args[1] );
args = [ x, y ];
break;
case 'm': // moveto (relative)
op = 'm';
x += round( args[0] );
y += round( args[1] );
args = [ x, y ];
break;
case "A": // TODO: arc (absolute):
// SVG: rx ry x-axis-rotation large-arc-flag sweep-flag x y
// VML: http://www.w3.org/TR/NOTE-VML
/*var rx = round( args[0] ),
ry = round( args[1] ),
xrot = round( args[2] ),
lrg = round( args[3] ),
sweep = round( args[4] );*/
op = 'l';
args = [ (x = round( args[5] )),
(y = round( args[6] )) ];
break;
case "L": // lineTo (absolute)
op = 'l';
args = [ (x = round( args[0] )),
(y = round( args[1] )) ];
break;
case "l": // lineTo (relative)
op = 'l';
args = [ (x = x + round( args[0] )),
(y = y + round( args[1] )) ];
break;
case "H": // horizontal lineto (absolute)
op = 'l';
args = [ (x = round( args[0] )), y ];
break;
case "h": // horizontal lineto (relative)
op = 'l';
args = [ (x = x + round( args[0] )), y ];
break;
case "V": // vertical lineto (absolute)
op = 'l';
args = [ x, (y = round( args[0] )) ];
break;
case "v": // vertical lineto (relative)
op = 'l';
args = [ x, (y = y + round( args[0] )) ];
break;
case "C": // curveto (absolute)
op = 'c';
lastcurve = args = [
round(args[0]), round(args[1]),
round(args[2]), round(args[3]),
(x = round( args[4] )),
(y = round( args[5] ))
];
break;
case "c": // curveto (relative)
op = 'c';
lastcurve = args = [
x + round(args[0]),
y + round(args[1]),
x + round(args[2]),
y + round(args[3]),
(x = x + round( args[4] )),
(y = y + round( args[5] ))
];
break;
case "S": // shorthand/smooth curveto (absolute)
op = 'c';
lastcurve = args = [
lastcurve[4] + (lastcurve[4] - lastcurve[2]),
lastcurve[5] + (lastcurve[5] - lastcurve[3]),
round(args[0]),
round(args[1]),
(x = round( args[2] )),
(y = round( args[3] ))
];
break;
case "s": // shorthand/smooth curveto (relative)
op = 'c';
lastcurve = args = [
lastcurve[4] + (lastcurve[4] - lastcurve[2]),
lastcurve[5] + (lastcurve[5] - lastcurve[3]),
x + round(args[0]),
y + round(args[1]),
(x = x + round( args[2] )),
(y = y + round( args[3] ))
];
break;
case "Q": // quadratic Bézier curveto (absolute)
op = 'c';
var x1 = round( args[0] ),
y1 = round( args[1] ),
x2 = round( args[2] ),
y2 = round( args[3] );
args = [
~~(x + (x1 - x) * 2 / 3),
~~(y + (y1 - y) * 2 / 3),
~~(x1 + (x2 - x1) / 3),
~~(y1 + (y2 - y1) / 3),
(x = x2),
(y = y2)
];
break;
case "q": // TODO: quadratic Bézier (relative)
op = 'l';
x += round( args[2] );
y += round( args[3] );
args = [ x, y ];
break;
// TODO: T/t (Shorthand/smooth quadratic Bézier curveto)
case "Z":
case "z":
op = 'xe';
args = [];
break;
default:
// unsupported path command
op = '';
args = [];
}
np.push( op, args.join(',') );
}
return ( vml._pathcache[p] = (np.join('') + 'e') );
}
};
pv.VmlScene = {
// The pre-multipled scale, based on any enclosing transforms.
scale: 1,
// The set of supported events.
events: [
"mousewheel",
"mousedown",
"mouseup",
"mouseover",
"mouseout",
"mousemove",
"click",
"dblclick"
],
// implicit values are not used for VML, assigned render faster and we have
// no desire to keep the DOM clean here - only to make it work!
implicit: { css: {} },
copy_functions: function ( obj ) {
for ( var name in obj ) {
if ( typeof obj[name] === 'function' && !(name in pv.VmlScene) ) {
pv.VmlScene[ name ] = obj[ name ];
}
}
}
};
// copy helper methods from SvgScene onto our new Scene
pv.VmlScene.copy_functions( pv.SvgScene );
pv.Scene = pv.VmlScene;
pv.VmlScene.expect = function (e, type, attr, style) {
style = style || {};
var helper = vml.elm_defaults[type] || {},
_type = helper.rewrite || type;
if ( e ) {
if ( e.tagName.toUpperCase() !== _type.toUpperCase() ) {
var n = vml.createElement( type );
e.parentNode.replaceChild( n, e );
e = n;
}
}
else {
e = vml.createElement( type );
}
if ( 'attr' in helper ) {
helper.attr( attr, style, e );
}
if ( attr.cursor in vml.cursorstyles ) {
var curs = vml.cursorstyles[attr.cursor];
style.cursor = ( curs === 1 ) ? attr.cursor : curs;
}
for (var name in style) {
var value = style[name];
if (value == null) e.style.removeAttribute(name); // cssText
else e.style[name] = value;
}
return e;
};
pv.VmlScene.append = function(e, scenes, index) {
// FIXME: hooks the scene onto the element --- this is probably hemorrhaging memory in MSIE
// it is only ever used by the envent displatcher so it should probably be stored in a cache
e.$scene = {scenes:scenes, index:index};
// attach a title to element
e = this.title(e, scenes[index]);
if ( !e.parentNode || e.parentNode.nodeType === 11 ) { // 11 == documentFragment
scenes.$g.appendChild( e );
}
return e.nextSibling;
};
pv.VmlScene.title = function(e, s) {
e.title = s.title || "";
return e;
};
// mostly the same code as pv.SvgScene.panel, but with less MSIE crashing...
pv.VmlScene.panel = function(scenes) {
var g = scenes.$g, e = g && g.firstChild;
for (var i = 0; i < scenes.length; i++) {
var s = scenes[i];
/* visible */
if (!s.visible) continue;
/* svg */
if (!scenes.parent) {
s.canvas.style.display = "inline-block";
s.canvas.style.zoom = 1;
if (g && (g.parentNode != s.canvas)) {
g = s.canvas.firstChild;
e = g && g.firstChild;
}
if ( !g ) {
vml.init(); // turn VML on if it isn't allready
g = s.canvas.appendChild( vml.createElement( "svg" ) );
for (var j = 0; j < this.events.length; j++) {
g.addEventListener
? g.addEventListener(this.events[j], this.dispatch, false)
: g.attachEvent("on" + this.events[j], this.dispatch);
}
e = g.firstChild;
}
scenes.$g = g;
var w = (s.width + s.left + s.right),
h = (s.height + s.top + s.bottom);
g.style.width = w + 'px';
g.style.height = h + 'px';
g.style.clip = "rect(0px " + w + "px " + h + "px 0px)";
}
/* fill */
e = this.fill( e, scenes, i );
/* transform (push) */
var k = this.scale,
t = s.transform,
x = s.left + t.x,
y = s.top + t.y;
this.scale *= t.k;
/* children */
for (var j = 0; j < s.children.length; j++) {
s.children[j].$g = e = this.expect(e, "g", {
"transform": "translate(" + x + "," + y + ")" + (t.k != 1 ? " scale(" + t.k + ")" : "")
});
this.updateAll(s.children[j]);
if ( !e.parentNode || e.parentNode.nodeType === 11 ) {
g.appendChild(e);
var helper = vml.elm_defaults[ e.svgtype ];
if ( helper && typeof helper.onappend === 'function' ) {
helper.onappend( e, scenes[i] );
}
}
e = e.nextSibling;
}
/* transform (pop) */
this.scale = k;
/* stroke */
e = this.stroke( e, scenes, i );
}
return e;
};
pv.VmlScene.fill = function(e, scenes, i) {
var s = scenes[i], fill = s.fillStyle;
if (fill.opacity || s.events == "all") {
e = this.expect(e, "div", {}, {
"cursor": s.cursor,
"left": s.left,
"top": s.top,
"width": s.width,
"height": s.height,
"border": 'none',
"background": vml.color( fill.color ),
'position': 'absolute'
});
e = this.append(e, scenes, i);
}
return e;
};
pv.VmlScene.stroke = function(e, scenes, i) {
var s = scenes[i], stroke = s.strokeStyle;
if (stroke.opacity || s.events == "all") {
var linew = Math.round(s.lineWidth / this.scale);
e = this.expect(e, "div", {}, {
"cursor": s.cursor,
"left": s.left - (linew/2),
"top": s.top - (linew/2),
"width": Math.max(1E-10, s.width) - linew,
"height": Math.max(1E-10, s.height) - linew,
"border": linew + 'px solid ' + vml.color( stroke.color ),
'z-index': 1000,
'position': 'absolute'
});
e = this.append(e, scenes, i);
}
return e;
};
// Much of the event rewriting code is copyed and watered down
// from the jQuery library's event hander. We have the luxury
// of knowing that we're on MSIE<9 so we can despense with some
// fixes for other browsers.
(function(){
var returnTrue = function () { return true; };
var returnFalse = function () { return false; };
var _event_props = ["altKey","attrChange","attrName","bubbles","button",
"cancelable","charCode","clientX","clientY","ctrlKey",
"currentTarget","data","detail","eventPhase","fromElement",
"handler","keyCode","layerX","layerY","metaKey",
"newValue","offsetX","offsetY","pageX","pageY","prevValue",
"relatedNode","relatedTarget","screenX","screenY",
"shiftKey","srcElement","target","toElement","view","wheelDelta","which"];
function IEvent ( src ) {
if ( src && src.type ) {
this.originalEvent = src;
this.type = src.type;
this.isDefaultPrevented = returnFalse;
if (src.defaultPrevented || src.returnValue === false || src.getPreventDefault && src.getPreventDefault()) {
this.isDefaultPrevented = returnTrue;
}
}
else {
this.type = src;
}
this.timeStamp = Date.now();
}
IEvent.prototype = {
preventDefault: function() {
this.isDefaultPrevented = returnTrue;
var e = this.originalEvent;
if ( !e ) { return; }
// if preventDefault exists run it on the original event
if ( e.preventDefault ) {
e.preventDefault();
// otherwise set the returnValue property of the original event to false (IE)
}
else {
e.returnValue = false;
}
},
stopPropagation: function() {
this.isPropagationStopped = returnTrue;
var e = this.originalEvent;
if ( !e ) {
return;
}
// if stopPropagation exists run it on the original event
if ( e.stopPropagation ) {
e.stopPropagation();
}
// otherwise set the cancelBubble property of the original event to true (IE)
e.cancelBubble = true;
},
stopImmediatePropagation: function() {
this.isImmediatePropagationStopped = returnTrue;
this.stopPropagation();
},
isDefaultPrevented: returnFalse,
isPropagationStopped: returnFalse,
isImmediatePropagationStopped: returnFalse
};
vml.fixEvent = function ( ev ) {
// store a copy of the original event object
// and "clone" to set read-only properties
var originalEvent = ev;
ev = new IEvent( originalEvent );
for (var i=0,l=_event_props.length; i<l; i++) {
var prop = _event_props[i];
ev[ prop ] = originalEvent[ prop ];
}
// Fix target property, if necessary
if ( !ev.target ) {
ev.target = ev.srcElement || document;
}
// Add relatedTarget, if necessary
if ( !ev.relatedTarget && ev.fromElement ) {
ev.relatedTarget = (ev.fromElement === ev.target)
? ev.toElement
: ev.fromElement;
}
// Calculate pageX/Y if missing and clientX/Y available
if ( ev.pageX == null && ev.clientX != null ) {
var doc = document.documentElement,
body = document.body;
ev.pageX = ev.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
ev.pageY = ev.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
}
// Add which for key events
if ( ev.which == null && (ev.charCode != null || ev.keyCode != null) ) {
ev.which = ev.charCode != null
? ev.charCode
: ev.keyCode;
}
// Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
if ( !ev.metaKey && ev.ctrlKey ) {
ev.metaKey = ev.ctrlKey;
}
// Add which for click: 1 === left; 2 === middle; 3 === right
// Note: button is not normalized, so don't use it
if ( !ev.which && ev.button !== undefined ) {
ev.which = (ev.button & 1 ? 1 : ( ev.button & 2 ? 3 : ( ev.button & 4 ? 2 : 0 ) ));
}
// Mousewheel delta
if ( ev.type === "mousewheel" ) {
ev.wheel = ev.wheelDelta;
}
return ev;
}
})();
// replace the listener with something a little more elaborate
pv.listener = function(f, target) {
return f.$listener || (f.$listener = function(e) {
try {
pv.event = vml.fixEvent( e || window.event );
return f.call( this, pv.event );
}
catch (e) {
pv.error(e);
}
finally {
delete pv.event;
}
});
};
pv.listen = function(target, type, listener) {
listener = pv.listener(listener, target);
if ( target === window ) {
target = document.documentElement;
}
return target.addEventListener
? target.addEventListener(type, listener, false)
: target.attachEvent("on" + type, listener);
};
pv.VmlScene.dispatch = pv.listener(function(e) {
var t = e.target.$scene;
if ( t && pv.Mark.dispatch(e.type, t.scenes, t.index) ) {
e.preventDefault();
}
});
//
pv.VmlScene.image = function(scenes) {
var e = scenes.$g.firstChild;
for (var i = 0; i < scenes.length; i++) {
var s = scenes[i];
/* visible */
if (!s.visible) continue;
/* fill */
e = this.fill(e, scenes, i);
/* image */
if ( s.image ) {
// There is no canvas support in MSIE
}
else {
e = new Image();
e.src = s.url;
var st = e.style;
st.position = 'absolute';
st.top = s.top;
st.left = s.left;
st.width = s.width;
st.height = s.height;
st.cursor = s.cursor;
st.msInterpolationMode = 'bicubic';
}
e = this.append(e, scenes, i);
/* stroke */
e = this.stroke(e, scenes, i);
}
return e;
};
pv.VmlScene.label = function(scenes) {
var e = scenes.$g.firstChild,
round = Math.round;
for (var i = 0; i < scenes.length; i++) {
var s = scenes[i];
// visible
if (!s.visible) continue;
var fill = s.textStyle;
if (!fill.opacity || !s.text) continue;
var attr = {};
if ( s.cursor ) { attr.cursor = s.cursor; }
// measure text
var txt = s.text.replace( /\s+/g, '\xA0' );
var label = vml.text_dims( txt, s.font );
var dx = 0, dy = 0;
if ( s.textBaseline === 'middle' ) {
dy -= label.fontsize / 2;
}
else if ( s.textBaseline === 'top' ) {
dy += s.textMargin;
}
else if ( s.textBaseline === 'bottom' ) {
dy -= s.textMargin + label.fontsize;
}
if ( s.textAlign === 'center' ) {
dx -= label.width / 2;
}
else if ( s.textAlign === 'right' ) {
dx -= label.width + s.textMargin;
}
else if ( s.textAlign === 'left' ) {
dx += s.textMargin;
}
e = this.expect(e, "text", attr, {
"font": s.font,
// "text-shadow": s.textShadow,
"textDecoration": s.textDecoration,
'top': Math.round( s.top + dy ) + 'px',
'left': Math.round( s.left + dx ) + 'px',
'position': 'absolute',
'display': 'block',
'lineHeight': 1,
'whiteSpace': 'nowrap',
'zoom': 1,
'cursor': 'default',
'color': vml.color( fill.color ) || 'black'
});
e.innerText = txt;
// Rotation is broken in serveral different ways:
// 1. it looks REALLY ugly
// 2. it is incredibly slow
// 3. rotated text is offset completely wrong and it takes a ton of math to correct it
// when text is rotated we need to switch to a VML textpath solution
var rotation = 180 * s.textAngle / Math.PI;
if ( rotation ) {
var r = (~~rotation % 360) * vml.d2r,
ct = Math.cos(r),
st = Math.sin(r);
e.style.filter = ['progid:DXImageTransform.Microsoft.Matrix(',
'M11=', ct.toFixed( 8 ), ',',
'M12=', -st.toFixed( 8 ), ',',
'M21=', st.toFixed( 8 ), ',',
'M22=', ct.toFixed( 8 ), ',sizingMethod=\'auto expand\')";'].join('');
}
else {
e.style.filter = '';
}
e = this.append(e, scenes, i);
}
return e;
};
pv.VmlScene.wedge = function(scenes) {
var e = scenes.$g.firstChild,
round = vml.round;
for (var i = 0; i < scenes.length; i++) {
var s = scenes[i];