graphics-vml-debug.js revision bbe237774b3e6002ec091e005a8ebb5c8f2fdc3f
YUI.add('graphics-vml', function(Y) {
Y.log('using VML');
function VMLDrawing() {}
VMLDrawing.prototype = {
/**
* @private
*/
_currentX: 0,
/**
* @private
*/
_currentY: 0,
/**
* Draws a bezier curve.
*
* @method curveTo
* @param {Number} cp1x x-coordinate for the first control point.
* @param {Number} cp1y y-coordinate for the first control point.
* @param {Number} cp2x x-coordinate for the second control point.
* @param {Number} cp2y y-coordinate for the second control point.
* @param {Number} x x-coordinate for the end point.
* @param {Number} y y-coordinate for the end point.
*/
curveTo: function(cp1x, cp1y, cp2x, cp2y, x, y) {
var hiX,
loX,
hiY,
loY;
x = Math.round(x);
y = Math.round(y);
this._path += ' c ' + Math.round(cp1x) + ", " + Math.round(cp1y) + ", " + Math.round(cp2x) + ", " + Math.round(cp2y) + ", " + x + ", " + y;
this._currentX = x;
this._currentY = y;
hiX = Math.max(x, Math.max(cp1x, cp2x));
hiY = Math.max(y, Math.max(cp1y, cp2y));
loX = Math.min(x, Math.min(cp1x, cp2x));
loY = Math.min(y, Math.min(cp1y, cp2y));
this._trackSize(hiX, hiY);
this._trackSize(loX, loY);
},
/**
* Draws a quadratic bezier curve.
*
* @method quadraticCurveTo
* @param {Number} cpx x-coordinate for the control point.
* @param {Number} cpy y-coordinate for the control point.
* @param {Number} x x-coordinate for the end point.
* @param {Number} y y-coordinate for the end point.
*/
quadraticCurveTo: function(cpx, cpy, x, y) {
var currentX = this._currentX,
currentY = this._currentY,
cp1x = currentX + 0.67*(cpx - currentX),
cp1y = currentY + 0.67*(cpy - currentY),
cp2x = cp1x + (x - currentX) * 0.34,
cp2y = cp1y + (y - currentY) * 0.34;
this.curveTo(cp1x, cp1y, cp2x, cp2y, x, y);
},
/**
* Draws a rectangle.
*
* @method drawRect
* @param {Number} x x-coordinate
* @param {Number} y y-coordinate
* @param {Number} w width
* @param {Number} h height
*/
drawRect: function(x, y, w, h) {
this.moveTo(x, y);
this.lineTo(x + w, y);
this.lineTo(x + w, y + h);
this.lineTo(x, y + h);
this.lineTo(x, y);
this._currentX = x;
this._currentY = y;
return this;
},
/**
* Draws a rectangle with rounded corners.
*
* @method drawRect
* @param {Number} x x-coordinate
* @param {Number} y y-coordinate
* @param {Number} w width
* @param {Number} h height
* @param {Number} ew width of the ellipse used to draw the rounded corners
* @param {Number} eh height of the ellipse used to draw the rounded corners
*/
drawRoundRect: function(x, y, w, h, ew, eh) {
this.moveTo(x, y + eh);
this.lineTo(x, y + h - eh);
this.quadraticCurveTo(x, y + h, x + ew, y + h);
this.lineTo(x + w - ew, y + h);
this.quadraticCurveTo(x + w, y + h, x + w, y + h - eh);
this.lineTo(x + w, y + eh);
this.quadraticCurveTo(x + w, y, x + w - ew, y);
this.lineTo(x + ew, y);
this.quadraticCurveTo(x, y, x, y + eh);
return this;
},
/**
* Draws a wedge.
*
* @param {Number} x x-coordinate of the wedge's center point
* @param {Number} y y-coordinate of the wedge's center point
* @param {Number} startAngle starting angle in degrees
* @param {Number} arc sweep of the wedge. Negative values draw clockwise.
* @param {Number} radius radius of wedge. If [optional] yRadius is defined, then radius is the x radius.
* @param {Number} yRadius [optional] y radius for wedge.
*/
drawWedge: function(x, y, startAngle, arc, radius, yRadius)
{
var diameter = radius * 2;
yRadius = yRadius || radius;
this._path += this._getWedgePath({x:x, y:y, startAngle:startAngle, arc:arc, radius:radius, yRadius:yRadius});
this._trackSize(diameter, diameter);
this._currentX = x;
this._currentY = y;
return this;
},
/**
* Generates a path string for a wedge shape
*
* @method _getWedgePath
* @param {Object} config attributes used to create the path
* @return String
* @private
*/
_getWedgePath: function(config)
{
var x = config.x,
y = config.y,
startAngle = config.startAngle,
arc = config.arc,
radius = config.radius,
yRadius = config.yRadius || radius,
path;
if(Math.abs(arc) > 360)
{
arc = 360;
}
startAngle *= -65535;
arc *= 65536;
path = " m " + x + " " + y + " ae " + x + " " + y + " " + radius + " " + yRadius + " " + startAngle + " " + arc;
return path;
},
/**
* Completes a drawing operation.
*
* @method end
*/
end: function() {
this._draw();
},
/**
* Draws a line segment using the current line style from the current drawing position to the specified x and y coordinates.
*
* @method lineTo
* @param {Number} point1 x-coordinate for the end point.
* @param {Number} point2 y-coordinate for the end point.
*/
lineTo: function(point1, point2, etc) {
var args = arguments,
i,
len;
if (typeof point1 === 'string' || typeof point1 === 'number') {
args = [[point1, point2]];
}
len = args.length;
if(!this._path)
{
this._path = "";
}
this._path += ' l ';
for (i = 0; i < len; ++i) {
this._path += ' ' + Math.round(args[i][0]) + ', ' + Math.round(args[i][1]);
this._trackSize.apply(this, args[i]);
this._currentX = args[i][0];
this._currentY = args[i][1];
}
return this;
},
/**
* Moves the current drawing position to specified x and y coordinates.
*
* @method moveTo
* @param {Number} x x-coordinate for the end point.
* @param {Number} y y-coordinate for the end point.
*/
moveTo: function(x, y) {
if(!this._path)
{
this._path = "";
}
this._path += ' m ' + Math.round(x) + ', ' + Math.round(y);
this._trackSize(x, y);
this._currentX = x;
this._currentY = y;
},
/**
* Updates the size of the graphics object
*
* @method _trackSize
* @param {Number} w width
* @param {Number} h height
* @private
*/
_trackSize: function(w, h) {
var wid = this._width || 0,
ht = this._height || 0;
if (w > wid) {
this._width = w;
}
if (h > ht) {
this._height = h;
}
}
};
Y.VMLDrawing = VMLDrawing;
/**
* Base class for creating shapes.
*
* @class VMLShape
*/
var Y_LANG = Y.Lang,
IS_NUM = Y_LANG.isNumber,
IS_ARRAY = Y_LANG.isArray,
Y_DOM = Y.DOM,
Y_SELECTOR = Y.Selector,
AttributeLite = Y.AttributeLite,
PluginHost = Y.Plugin.Host,
VMLCircle,
VMLPath,
VMLRect,
VMLEllipse,
VMLGraphic,
VMLShape = function(cfg)
{
var host = this,
PluginHost = Y.Plugin && Y.Plugin.Host;
if (host._initPlugins && PluginHost) {
PluginHost.call(host);
}
host.name = host.constructor.NAME;
host._eventPrefix = host.constructor.EVENT_PREFIX || host.constructor.NAME;
AttributeLite.call(host);
host.addAttrs(cfg);
host.init.apply(this, arguments);
if (host._initPlugins) {
// Need to initPlugins manually, to handle constructor parsing, static Plug parsing
host._initPlugins(cfg);
}
host.initialized = true;
};
VMLShape.NAME = "vmlShape";
VMLShape.prototype = {
/**
* @private
*/
init: function()
{
this.initializer.apply(this, arguments);
},
/**
* Initializes the shape
*
* @private
* @method _initialize
*/
initializer: function(cfg)
{
var host = this;
host.createNode();
host._graphic = cfg.graphic;
//host._updateHandler();
},
/**
* @private
*/
createNode: function()
{
var node,
x = this.get("x"),
y = this.get("y"),
w = this.get("width"),
h = this.get("height"),
id,
type,
nodestring,
strokestring,
classString,
stroke,
endcap,
opacity,
joinstyle,
miterlimit,
dashstyle,
fill,
fillstring;
id = this.get("id");
type = this._type;
classString = 'vml' + type + ' yui3-vmlShape yui3-' + this.constructor.NAME;
stroke = this._getStrokeProps();
fill = this._getFillProps();
nodestring = '<' + type + ' xmlns="urn:schemas-microsft.com:vml" id="' + id + '" class="' + classString + '" style="behavior:url(#default#VML);display:inline-block;position:absolute;left:' + x + 'px;top:' + y + 'px;width:' + w + 'px;height:' + h + 'px;"';
if(stroke)
{
endcap = stroke.endcap;
opacity = stroke.opacity;
joinstyle = stroke.joinstyle;
miterlimit = stroke.miterlimit;
dashstyle = stroke.dashstyle;
nodestring += ' stroked="t" strokecolor="' + stroke.strokeColor + '" strokeWeight="' + stroke.strokeWeight + 'px"';
strokestring = '<stroke class="vmlstroke" xmlns="urn:schemas-microsft.com:vml" style="behavior:url(#default#VML);display:inline-block;"';
strokestring += ' opacity="' + opacity + '"';
if(endcap)
{
strokestring += ' endcap="' + endcap + '"';
}
if(joinstyle)
{
strokestring += ' joinstyle="' + joinstyle + '"';
}
if(miterlimit)
{
strokestring += ' miterlimit="' + miterlimit + '"';
}
if(dashstyle)
{
strokestring += ' dashstyle="' + dashstyle + '"';
}
strokestring += '></stroke>';
this._strokeNode = document.createElement(strokestring);
nodestring += ' stroked="t"';
}
else
{
nodestring += ' stroked="f"';
}
if(fill)
{
if(fill.node)
{
fillstring = fill.node;
this._fillNode = document.createElement(fillstring);
}
else if(fill.color)
{
nodestring += ' fillcolor="' + fill.color + '"';
}
nodestring += ' filled="' + fill.filled + '"';
}
nodestring += '>';
nodestring += '</' + type + '>';
node = document.createElement(nodestring);
if(this._strokeNode)
{
node.appendChild(this._strokeNode);
}
if(this._fillNode)
{
node.appendChild(this._fillNode);
}
this.node = node;
},
/**
* Add a class name to each node.
*
* @method addClass
* @param {String} className the class name to add to the node's class attribute
*/
addClass: function(className)
{
var node = this.node;
Y_DOM.addClass(node, className);
},
/**
* Removes a class name from each node.
*
* @method removeClass
* @param {String} className the class name to remove from the node's class attribute
*/
removeClass: function(className)
{
var node = this.node;
Y_DOM.removeClass(node, className);
},
/**
* Gets the current position of the node in page coordinates.
*
* @method getXY
* @return Array The XY position of the shape.
*/
getXY: function()
{
var graphic = this._graphic,
parentXY = graphic.getXY(),
x = this.get("x"),
y = this.get("y");
return [parentXY[0] + x, parentXY[1] + y];
},
/**
* Set the position of the shape in page coordinates, regardless of how the node is positioned.
*
* @method setXY
* @param {Array} Contains X & Y values for new position (coordinates are page-based)
*/
setXY: function(xy)
{
var graphic = this._graphic,
parentXY = graphic.getXY();
this.set("x", xy[0] - parentXY[0]);
this.set("y", xy[1] - parentXY[1]);
},
/**
* Determines whether the node is an ancestor of another HTML element in the DOM hierarchy.
*
* @method contains
* @param {VMLShape | HTMLElement} needle The possible node or descendent
* @return Boolean Whether or not this shape is the needle or its ancestor.
*/
contains: function(needle)
{
return needle === Y.one(this.node);
},
/**
* Compares nodes to determine if they match.
* Node instances can be compared to each other and/or HTMLElements.
* @method compareTo
* @param {HTMLElement | Node} refNode The reference node to compare to the node.
* @return {Boolean} True if the nodes match, false if they do not.
*/
compareTo: function(refNode) {
var node = this.node;
return node === refNode;
},
/**
* Test if the supplied node matches the supplied selector.
*
* @method test
* @param {String} selector The CSS selector to test against.
* @return Boolean Wheter or not the shape matches the selector.
*/
test: function(selector)
{
return Y_SELECTOR.test(this.node, selector);
},
/**
* @private
*/
_getStrokeProps: function()
{
var props,
stroke = this.get("stroke"),
strokeOpacity,
dashstyle,
dash = "",
val,
i = 0,
len,
linecap,
linejoin;
if(stroke && stroke.weight && stroke.weight > 0)
{
props = {};
linecap = stroke.linecap || "flat";
linejoin = stroke.linejoin || "round";
if(linecap != "round" && linecap != "square")
{
linecap = "flat";
}
strokeOpacity = stroke.opacity;
dashstyle = stroke.dashstyle || "none";
stroke.color = stroke.color || "#000000";
stroke.weight = stroke.weight || 1;
stroke.opacity = IS_NUM(strokeOpacity) ? strokeOpacity : 1;
props.stroked = true;
props.strokeColor = stroke.color;
props.strokeWeight = stroke.weight;
props.endcap = linecap;
props.opacity = stroke.opacity;
if(IS_ARRAY(dashstyle))
{
dash = [];
len = dashstyle.length;
for(i = 0; i < len; ++i)
{
val = dashstyle[i];
dash[i] = val / stroke.weight;
}
}
if(linejoin == "round" || linejoin == "bevel")
{
props.joinstyle = linejoin;
}
else
{
linejoin = parseInt(linejoin, 10);
if(IS_NUM(linejoin))
{
props.miterlimit = Math.max(linejoin, 1);
props.joinstyle = "miter";
}
}
props.dashstyle = dash;
}
return props;
},
/**
* Adds a stroke to the shape node.
*
* @method _strokeChangeHandler
* @private
*/
_strokeChangeHandler: function(e)
{
var node = this.node,
stroke = this.get("stroke"),
strokeOpacity,
dashstyle,
dash = "",
val,
i = 0,
len,
linecap,
linejoin;
if(stroke && stroke.weight && stroke.weight > 0)
{
linecap = stroke.linecap || "flat";
linejoin = stroke.linejoin || "round";
if(linecap != "round" && linecap != "square")
{
linecap = "flat";
}
strokeOpacity = stroke.opacity;
dashstyle = stroke.dashstyle || "none";
stroke.color = stroke.color || "#000000";
stroke.weight = stroke.weight || 1;
stroke.opacity = IS_NUM(strokeOpacity) ? strokeOpacity : 1;
node.stroked = true;
node.strokeColor = stroke.color;
node.strokeWeight = stroke.weight + "px";
if(!this._strokeNode)
{
this._strokeNode = this._createGraphicNode("stroke");
node.appendChild(this._strokeNode);
}
this._strokeNode.endcap = linecap;
this._strokeNode.opacity = stroke.opacity;
if(IS_ARRAY(dashstyle))
{
dash = [];
len = dashstyle.length;
for(i = 0; i < len; ++i)
{
val = dashstyle[i];
dash[i] = val / stroke.weight;
}
}
if(linejoin == "round" || linejoin == "bevel")
{
this._strokeNode.joinstyle = linejoin;
}
else
{
linejoin = parseInt(linejoin, 10);
if(IS_NUM(linejoin))
{
this._strokeNode.miterlimit = Math.max(linejoin, 1);
this._strokeNode.joinstyle = "miter";
}
}
this._strokeNode.dashstyle = dash;
}
else
{
node.stroked = false;
}
},
/**
* @private
*/
_getFillProps: function()
{
var fill = this.get("fill"),
fillOpacity,
props,
gradient,
i,
fillstring,
filled = false;
if(fill)
{
props = {};
if(fill.type == "radial" || fill.type == "linear")
{
fillOpacity = fill.opacity;
fillOpacity = IS_NUM(fillOpacity) ? fillOpacity : 1;
filled = true;
gradient = this._getGradientFill(fill);
fillstring = '<fill xmlns="urn:schemas-microsft.com:vml" style="behavior:url(#default#VML);display:inline-block;" opacity="' + fillOpacity + '"';
for(i in gradient)
{
if(gradient.hasOwnProperty(i))
{
fillstring += ' ' + i + '="' + gradient[i] + '"';
}
}
fillstring += ' />';
props.node = fillstring;
}
else if(fill.color)
{
props.color = fill.color;
fillOpacity = fill.opacity;
filled = true;
if(IS_NUM(fillOpacity))
{
fillOpacity = Math.max(Math.min(fillOpacity, 1), 0);
props.opacity = fillOpacity;
props.node = '<fill xmlns="urn:schemas-microsft.com:vml" style="behavior:url(#default#VML);display:inline-block;" opacity="' + fillOpacity + '" color="' + fill.color + '"/>';
}
}
props.filled = filled;
}
return props;
},
/**
* Adds a fill to the shape node.
*
* @method _fillChangeHandler
* @private
*/
_fillChangeHandler: function(e)
{
var node = this.node,
fill = this.get("fill"),
fillOpacity,
fillstring,
filled = false;
if(fill)
{
if(fill.type == "radial" || fill.type == "linear")
{
filled = true;
this._setGradientFill(node, fill);
}
else if(fill.color)
{
fillOpacity = fill.opacity;
filled = true;
if(IS_NUM(fillOpacity))
{
fillOpacity = Math.max(Math.min(fillOpacity, 1), 0);
fill.opacity = fillOpacity;
if(this._fillNode && this._fillNode.getAttribute("type") == "solid")
{
this._fillNode.type = "solid";
this._fillNode.opacity = fillOpacity;
this._fillNode.color = fill.color;
}
else
{
if(this._fillNode)
{
node.removeChild(this._fillNode);
this._fillNode = null;
}
fillstring = '<fill xmlns="urn:schemas-microsft.com:vml" class="vmlfill" opacity="' + fillOpacity + '" color="' + fill.color + '"/>';
this._fillNode = document.createElement(fillstring);
node.appendChild(this._fillNode);
}
}
else
{
if(this._fillNode)
{
node.removeChild(this._fillNode);
this._fillNode = null;
}
node.fillColor = fill.color;
}
}
}
node.filled = filled;
},
/**
* @private
*/
_updateFillNode: function(node)
{
if(!this._fillNode)
{
this._fillNode = this._createGraphicNode("fill");
node.appendChild(this._fillNode);
}
},
_getGradientFill: function(fill)
{
var gradientProps = {},
gradientBoxWidth,
gradientBoxHeight,
type = fill.type,
w = this.get("width"),
h = this.get("height"),
isNumber = IS_NUM,
stop,
stops = fill.stops,
len = stops.length,
opacity,
color,
i = 0,
oi,
colorstring = "",
cx = fill.cx,
cy = fill.cy,
fx = fill.fx,
fy = fill.fy,
r = fill.r,
pct,
rotation = fill.rotation || 0;
if(type === "linear")
{
if(rotation > 0 && rotation <= 90)
{
rotation = 450 - rotation;
}
else if(rotation <= 270)
{
rotation = 270 - rotation;
}
else if(rotation <= 360)
{
rotation = 630 - rotation;
}
else
{
rotation = 270;
}
gradientProps.type = "gradient";//"gradientunscaled";
gradientProps.angle = rotation;
}
else if(type === "radial")
{
gradientBoxWidth = w * (r * 2);
gradientBoxHeight = h * (r * 2);
fx = r * 2 * (fx - 0.5);
fy = r * 2 * (fy - 0.5);
fx += cx;
fy += cy;
gradientProps.focussize = (gradientBoxWidth/w)/10 + "% " + (gradientBoxHeight/h)/10 + "%";
//gradientProps.focusSize = ((r - cx) * 10) + "% " + ((r - cy) * 10) + "%";
gradientProps.alignshape = false;
gradientProps.type = "gradientradial";
gradientProps.focus = "100%";
gradientProps.focusposition = Math.round(fx * 100) + "% " + Math.round(fy * 100) + "%";
}
for(;i < len; ++i) {
stop = stops[i];
color = stop.color;
opacity = stop.opacity;
opacity = isNumber(opacity) ? opacity : 1;
pct = stop.offset || i/(len-1);
pct *= (r * 2);
if(pct <= 1)
{
pct = Math.round(100 * pct) + "%";
oi = i > 0 ? i + 1 : "";
gradientProps["opacity" + oi] = opacity + "";
colorstring += ", " + pct + " " + color;
}
}
pct = stops[1].offset || 0;
pct *= 100;
if(parseInt(pct, 10) < 100)
{
colorstring += ", 100% " + color;
}
gradientProps.colors = colorstring.substr(2);
return gradientProps;
},
_setGradientFill: function(node, fill)
{
this._updateFillNode(node);
var gradientBoxWidth,
gradientBoxHeight,
type = fill.type,
w = this.get("width"),
h = this.get("height"),
isNumber = IS_NUM,
stop,
stops = fill.stops,
len = stops.length,
opacity,
color,
i = 0,
oi,
colorstring = "",
cx = fill.cx,
cy = fill.cy,
fx = fill.fx,
fy = fill.fy,
r = fill.r,
pct,
rotation = fill.rotation || 0;
if(type === "linear")
{
if(rotation > 0 && rotation <= 90)
{
rotation = 450 - rotation;
}
else if(rotation <= 270)
{
rotation = 270 - rotation;
}
else if(rotation <= 360)
{
rotation = 630 - rotation;
}
else
{
rotation = 270;
}
this._fillNode.type = "gradient";//"gradientunscaled";
this._fillNode.angle = rotation;
}
else if(type === "radial")
{
gradientBoxWidth = w * (r * 2);
gradientBoxHeight = h * (r * 2);
fx = r * 2 * (fx - 0.5);
fy = r * 2 * (fy - 0.5);
fx += cx;
fy += cy;
this._fillNode.focussize = (gradientBoxWidth/w)/10 + "% " + (gradientBoxHeight/h)/10 + "%";
//this._fillNode.focusSize = ((r - cx) * 10) + "% " + ((r - cy) * 10) + "%";
this._fillNode.alignshape = false;
this._fillNode.type = "gradientradial";
this._fillNode.focus = "100%";
this._fillNode.focusposition = Math.round(fx * 100) + "% " + Math.round(fy * 100) + "%";
}
for(;i < len; ++i) {
stop = stops[i];
color = stop.color;
opacity = stop.opacity;
opacity = isNumber(opacity) ? opacity : 1;
pct = stop.offset || i/(len-1);
pct *= (r * 2);
if(pct <= 1)
{
pct = Math.round(100 * pct) + "%";
oi = i > 0 ? i + 1 : "";
this._fillNode["opacity" + oi] = opacity + "";
colorstring += ", " + pct + " " + color;
}
}
pct = stops[1].offset || 0;
pct *= 100;
if(parseInt(pct, 10) < 100)
{
colorstring += ", 100% " + color;
}
this._fillNode.colors.value = colorstring.substr(2);
},
/**
* @private
*/
_addTransform: function(type, args)
{
if(!this._transformArgs)
{
this._transformArgs = {};
}
this._transformArgs[type] = Array.prototype.slice.call(args, 0);
this._updateTransform();
},
/**
* @private
*/
_updateTransform: function()
{
var host = this,
node = host.node,
w,
h,
x = host.get("x"),
y = host.get("y"),
transformOrigin,
transX,
transY,
tx,
ty,
originX,
originY,
absRot,
radCon,
sinRadians,
cosRadians,
x2,
y2,
coordSize,
transformArgs = host._transformArgs;
if(transformArgs)
{
w = host.get("width");
h = host.get("height");
coordSize = node.coordSize;
if(transformArgs.hasOwnProperty("translate"))
{
transX = 0 - (coordSize.x/w * host._translateX);
transY = 0 - (coordSize.y/h * host._translateY);
node.coordOrigin = transX + "," + transY;
}
if(transformArgs.hasOwnProperty("rotate"))
{
transformOrigin = host.get("transformOrigin");
tx = transformOrigin[0];
ty = transformOrigin[1];
originX = w * (tx - 0.5);
originY = h * (ty - 0.5);
absRot = Math.abs(host._rotation);
radCon = Math.PI/180;
sinRadians = parseFloat(parseFloat(Math.sin(absRot * radCon)).toFixed(8));
cosRadians = parseFloat(parseFloat(Math.cos(absRot * radCon)).toFixed(8));
x2 = (originX * cosRadians) - (originY * sinRadians);
y2 = (originX * sinRadians) + (originY * cosRadians);
node.style.rotation = host._rotation;
x = x + (originX - x2);
y = y + (originY - y2);
}
}
node.style.left = x + "px";
node.style.top = y + "px";
},
/**
* Applies translate transformation.
*
* @method translate
* @param {Number} x The x-coordinate
* @param {Number} y The y-coordinate
*/
translate: function(x, y)
{
this._translateX = x;
this._translateY = y;
this._addTransform("translate", arguments);
},
/**
* Applies a skew to the x-coordinate
*
* @method skewX:q
* @param {Number} x x-coordinate
*/
skewX: function(x)
{
//var node = this.node;
},
/**
* Applies a skew to the x-coordinate
*
* @method skewX:q
* @param {Number} x x-coordinate
*/
skewY: function(y)
{
//var node = this.node;
},
/**
* @private
*/
_rotation: 0,
/**
* Applies a rotation.
*
* @method rotate
* @param
*/
rotate: function(deg)
{
this._rotation = deg;
this._addTransform("rotate", arguments);
},
/**
* Applies a scale transform
*
* @method scale
* @param {Number} val
*/
scale: function(val)
{
//var node = this.node;
},
/**
* Applies a matrix transformation
*
* @method matrix
*/
matrix: function(a, b, c, d, e, f)
{
//var node = this.node;
},
/**
* @private
*/
isMouseEvent: function(type)
{
if(type.indexOf('mouse') > -1 || type.indexOf('click') > -1)
{
return true;
}
return false;
},
/**
* @private
*/
before: function(type, fn)
{
if(this.isMouseEvent(type))
{
return Y.before(type, fn, "#" + this.get("id"));
}
return Y.on.apply(this, arguments);
},
/**
* @private
*/
on: function(type, fn)
{
if(this.isMouseEvent(type))
{
return Y.on(type, fn, "#" + this.get("id"));
}
return Y.on.apply(this, arguments);
},
/**
* @private
*/
after: function(type, fn)
{
if(this.isMouseEvent(type))
{
return Y.after(type, fn, "#" + this.get("id"));
}
return Y.on.apply(this, arguments);
},
/**
* @private
*/
_draw: function()
{
var node = this.node,
w = this.get("width"),
h = this.get("height");
if(!node)
{
this.createNode();
}
else
{
this._fillChangeHandler();
this._strokeChangeHandler();
node.style.width = w + "px";
node.style.height = h + "px";
}
this._updateTransform();
},
/**
* @private
*/
_updateHandler: function(e)
{
var node = this.node;
if(node)
{
node.style.visible = "hidden";
}
this._draw();
if(node)
{
node.style.visible = "visible";
}
},
/**
* Creates a graphic node
*
* @method _createGraphicNode
* @param {String} type node type to create
* @param {String} specified pointer-events value
* @return HTMLElement
* @private
*/
_createGraphicNode: function(type)
{
type = type || this._type;
return document.createElement('<' + type + ' xmlns="urn:schemas-microsft.com:vml" class="vml' + type + '"/>');
},
/**
* Value function for fill attribute
*
* @private
* @method _getDefaultFill
* @return Object
*/
_getDefaultFill: function() {
return {
type: "solid",
cx: 0.5,
cy: 0.5,
fx: 0.5,
fy: 0.5,
r: 0.5
};
},
/**
* Value function for stroke attribute
*
* @private
* @method _getDefaultStroke
* @return Object
*/
_getDefaultStroke: function()
{
return {
weight: 1,
dashstyle: "none",
color: "#000",
opacity: 1.0
};
},
/**
* @private
*/
set: function()
{
var host = this;
AttributeLite.prototype.set.apply(host, arguments);
if(host.initialized)
{
host._updateHandler();
}
},
/**
* Returns the bounds for a shape.
*
* @method getBounds
* @return Object
*/
getBounds: function()
{
var w = this.get("width"),
h = this.get("height"),
stroke = this.get("stroke"),
x = this.get("x"),
y = this.get("y"),
wt = 0,
bounds = {};
if(stroke && stroke.weight)
{
wt = stroke.weight;
}
bounds.left = x - wt;
bounds.top = y - wt;
bounds.right = x + w + wt;
bounds.bottom = y + h + wt;
return bounds;
}
};
VMLShape.ATTRS = {
/**
* An array of x, y values which indicates the transformOrigin in which to rotate the shape. Valid values range between 0 and 1 representing a
* fraction of the shape's corresponding bounding box dimension. The default value is [0.5, 0.5].
*
* @attribute transformOrigin
* @type Array
*/
transformOrigin: {
valueFn: function()
{
return [0.5, 0.5];
}
},
/**
* The rotation (in degrees) of the shape.
*
* @attribute rotation
* @type Number
*/
rotation: {
setter: function(val)
{
this.rotate(val);
},
getter: function()
{
return this._rotation;
}
},
/**
* Indicates the x position of shape.
*
* @attribute x
* @type Number
*/
x: {
value: 0
},
/**
* Indicates the y position of shape.
*
* @attribute y
* @type Number
*/
y: {
value: 0
},
/**
* Unique id for class instance.
*
* @attribute id
* @type String
*/
id: {
valueFn: function()
{
return Y.guid();
},
setter: function(val)
{
var node = this.node;
if(node)
{
node.setAttribute("id", val);
}
return val;
}
},
/**
*
* @attribute width
*/
width: {
value: 0
},
/**
*
* @attribute height
*/
height: {
value: 0
},
/**
* Indicates whether the shape is visible.
*
* @attribute visible
* @type Boolean
*/
visible: {
value: true,
setter: function(val){
var node = this.node,
visibility = val ? "visible" : "hidden";
if(node)
{
node.style.visibility = visibility;
}
return val;
}
},
/**
* Contains information about the fill of the shape.
* <dl>
* <dt>color</dt><dd>The color of the fill.</dd>
* <dt>opacity</dt><dd>Number between 0 and 1 that indicates the opacity of the fill. The default value is 1.</dd>
* </dl>
*
* @attribute fill
* @type Object
*/
fill: {
valueFn: "_getDefaultFill",
setter: function(val)
{
var i,
fill,
tmpl = this.get("fill") || this._getDefaultFill();
if(val)
{
//ensure, fill type is solid if color is explicitly passed.
if(val.hasOwnProperty("color"))
{
val.type = "solid";
}
for(i in val)
{
if(val.hasOwnProperty(i))
{
tmpl[i] = val[i];
}
}
}
fill = tmpl;
if(fill && fill.color)
{
if(fill.color === undefined || fill.color == "none")
{
fill.color = null;
}
}
return fill;
}
},
/**
* Contains information about the stroke of the shape.
* <dl>
* <dt>color</dt><dd>The color of the stroke.</dd>
* <dt>weight</dt><dd>Number that indicates the width of the stroke.</dd>
* <dt>opacity</dt><dd>Number between 0 and 1 that indicates the opacity of the stroke. The default value is 1.</dd>
* <dt>dashstyle</dt>Indicates whether to draw a dashed stroke. When set to "none", a solid stroke is drawn. When set to an array, the first index indicates the
* length of the dash. The second index indicates the length of gap.
* </dl>
*
* @attribute stroke
* @type Object
*/
stroke: {
valueFn: "_getDefaultStroke",
setter: function(val)
{
var i,
stroke,
tmpl = this.get("stroke") || this._getDefaultStroke();
if(val)
{
for(i in val)
{
if(val.hasOwnProperty(i))
{
tmpl[i] = val[i];
}
}
}
stroke = tmpl;
return stroke;
}
},
/**
* Indicates whether or not the instance will size itself based on its contents.
*
* @attribute autoSize
* @type Boolean
*/
autoSize: {
value: false
},
/**
* Determines whether the instance will receive mouse events.
*
* @attribute pointerEvents
* @type string
*/
pointerEvents: {
value: "visiblePainted"
},
/**
* Reference to the container Graphic.
*
* @attribute graphic
* @type Graphic
*/
graphic: {
readOnly: true,
getter: function()
{
return this._graphic;
}
}
};
Y.mix(VMLShape, Y.AttributeLite, false, null, 1);
Y.mix(VMLShape, Y.EventTarget, false, null, 1);
Y.mix(VMLShape, PluginHost, false, null, 1);
VMLShape.plug = PluginHost.plug;
VMLShape.unplug = PluginHost.unplug;
Y.VMLShape = VMLShape;
/**
* The VMLPath class creates a graphic object with editable
* properties.
*
* @class VMLPath
* @extends VMLShape
*/
VMLPath = function()
{
VMLPath.superclass.constructor.apply(this, arguments);
};
VMLPath.NAME = "vmlPath";
Y.extend(VMLPath, Y.VMLShape, Y.merge(Y.VMLDrawing.prototype, {
/**
* Indicates the type of shape
*
* @property _type
* @readOnly
* @type String
*/
_type: "shape",
/**
* Draws the graphic.
*
* @method _draw
* @private
*/
_draw: function()
{
var fill = this.get("fill"),
stroke = this.get("stroke"),
node = this.node,
w = this.get("width"),
h = this.get("height"),
path = this.get("path"),
pathEnd = "";
node.style.visible = "hidden";
this._fillChangeHandler();
this._strokeChangeHandler();
if(path)
{
if(fill && fill.color)
{
pathEnd += ' x';
}
if(stroke)
{
pathEnd += ' e';
}
}
if(path)
{
node.path = path + pathEnd;
}
if(w && h)
{
node.coordSize = w + ', ' + h;
node.style.position = "absolute";
node.style.width = w + "px";
node.style.height = h + "px";
}
this._path = path;
node.style.visible = "visible";
this._updateTransform();
},
/**
* Completes a drawing operation.
*
* @method end
*/
end: function()
{
this._draw();
},
/**
* Clears the path.
*
* @method clear
*/
clear: function()
{
this._path = "";
}
}));
VMLPath.ATTRS = Y.merge(Y.VMLShape.ATTRS, {
/**
*
* @attribute width
*/
width: {
getter: function()
{
return this._width;
},
setter: function(val)
{
this._width = val;
return val;
}
},
/**
*
* @attribute height
*/
height: {
getter: function()
{
return this._height;
},
setter: function(val)
{
this._height = val;
return val;
}
},
/**
* Indicates the path used for the node.
*
* @attribute path
* @type String
*/
path: {
readOnly: true,
getter: function()
{
return this._path;
}
}
});
Y.VMLPath = VMLPath;
/**
* Draws rectangles
*/
VMLRect = function()
{
VMLRect.superclass.constructor.apply(this, arguments);
};
VMLRect.NAME = "vmlRect";
Y.extend(VMLRect, Y.VMLShape, {
/**
* Indicates the type of shape
*
* @property _type
* @readOnly
* @type String
*/
_type: "rect"
});
VMLRect.ATTRS = Y.VMLShape.ATTRS;
Y.VMLRect = VMLRect;
/**
* Draws an ellipse
*/
VMLEllipse = function()
{
VMLEllipse.superclass.constructor.apply(this, arguments);
};
VMLEllipse.NAME = "vmlEllipse";
Y.extend(VMLEllipse, Y.VMLShape, {
/**
* Indicates the type of shape
*
* @property _type
* @readOnly
* @type String
*/
_type: "oval"
});
VMLEllipse.ATTRS = Y.merge(Y.VMLShape.ATTRS, {
/**
* Horizontal radius for the ellipse.
*
* @attribute xRadius
* @type Number
*/
xRadius: {
lazyAdd: false,
getter: function()
{
var val = this.get("width");
val = Math.round((val/2) * 100)/100;
return val;
},
setter: function(val)
{
var w = val * 2;
this.set("width", w);
return val;
}
},
/**
* Vertical radius for the ellipse.
*
* @attribute yRadius
* @type Number
*/
yRadius: {
lazyAdd: false,
getter: function()
{
var val = this.get("height");
val = Math.round((val/2) * 100)/100;
return val;
},
setter: function(val)
{
var h = val * 2;
this.set("height", h);
return val;
}
}
});
Y.VMLEllipse = VMLEllipse;
/**
* Draws an circle
*/
VMLCircle = function(cfg)
{
VMLCircle.superclass.constructor.apply(this, arguments);
};
VMLCircle.NAME = "vmlCircle";
Y.extend(VMLCircle, VMLShape, {
/**
* Indicates the type of shape
*
* @property _type
* @readOnly
* @type String
*/
_type: "oval"
});
VMLCircle.ATTRS = Y.merge(VMLShape.ATTRS, {
/**
* Horizontal radius for the circle.
*
* @attribute radius
* @type Number
*/
radius: {
lazyAdd: false,
value: 0
},
/**
* Width of the circle
*
* @attribute width
* @readOnly
* @type Number
*/
width: {
readOnly: true,
getter: function()
{
var radius = this.get("radius"),
val = radius && radius > 0 ? radius * 2 : 0;
return val;
}
},
/**
* Width of the circle
*
* @attribute width
* @readOnly
* @type Number
*/
height: {
readOnly: true,
getter: function()
{
var radius = this.get("radius"),
val = radius && radius > 0 ? radius * 2 : 0;
return val;
}
}
});
Y.VMLCircle = VMLCircle;
/**
* VMLGraphic is a simple drawing api that allows for basic drawing operations.
*
* @class VMLGraphic
* @constructor
*/
VMLGraphic = function(config) {
this.initializer.apply(this, arguments);
};
VMLGraphic.prototype = {
getXY: function()
{
var node = Y.one(this.parentNode),
xy = node.getXY();
return xy;
},
/**
* Initializes the class.
*
* @method initializer
* @private
*/
initializer: function(config) {
config = config || {};
var w = config.width || 0,
h = config.height || 0;
this.id = Y.guid();
this.node = this._createGraphic();
this.node.setAttribute("id", this.id);
this.setSize(w, h);
this._initProps();
},
/**
* Indicates whether or not the instance will automatically redraw after a change is made to a shape.
* This property will get set to false when batching operations.
*
* @property autoDraw
* @type Boolean
* @default true
*/
autoDraw: true,
/**
* Clears the graphics object.
*
* @method clear
*/
clear: function() {
this._path = '';
this._removeChildren(this.node);
},
/**
* Removes all nodes.
*
* @method destroy
*/
destroy: function()
{
this._removeChildren(this.node);
this.node.parentNode.removeChild(this.node);
},
/**
* Removes all child nodes.
*
* @method _removeChildren
* @param node
* @private
*/
_removeChildren: function(node)
{
if(node.hasChildNodes())
{
var child;
while(node.firstChild)
{
child = node.firstChild;
this._removeChildren(child);
node.removeChild(child);
}
}
},
/**
* Shows and and hides a the graphic instance.
*
* @method toggleVisible
* @param val {Boolean} indicates whether the instance should be visible.
*/
toggleVisible: function(val)
{
this._toggleVisible(this.node, val);
},
/**
* Toggles visibility
*
* @method _toggleVisible
* @param {HTMLElement} node element to toggle
* @param {Boolean} val indicates visibilitye
* @private
*/
_toggleVisible: function(node, val)
{
var children = Y.one(node).get("children"),
visibility = val ? "visible" : "hidden",
i = 0,
len;
if(children)
{
len = children.length;
for(; i < len; ++i)
{
this._toggleVisible(children[i], val);
}
}
node.style.visibility = visibility;
},
/**
* Sets the size of the graphics object.
*
* @method setSize
* @param w {Number} width to set for the instance.
* @param h {Number} height to set for the instance.
*/
setSize: function(w, h) {
w = Math.round(w);
h = Math.round(h);
this.node.style.width = w + 'px';
this.node.style.height = h + 'px';
this.node.coordSize = w + ' ' + h;
this._canvasWidth = w;
this._canvasHeight = h;
},
/**
* Sets the positon of the graphics object.
*
* @method setPosition
* @param {Number} x x-coordinate for the object.
* @param {Number} y y-coordinate for the object.
*/
setPosition: function(x, y)
{
x = Math.round(x);
y = Math.round(y);
this.node.style.left = x + "px";
this.node.style.top = y + "px";
},
/**
* Adds the graphics node to the dom.
*
* @method render
* @param {HTMLElement} parentNode node in which to render the graphics node into.
*/
render: function(parentNode, addToDom) {
var w,
h;
parentNode = Y.one(parentNode);
w = parseInt(parentNode.getComputedStyle("width"), 10);
h = parseInt(parentNode.getComputedStyle("height"), 10);
parentNode = parentNode || Y.config.doc.body;
parentNode.appendChild(this.node);
this.setSize(w, h);
this._initProps();
this.parentNode = parentNode._node;
return this;
},
/**
* Updates the size of the graphics object
*
* @method _trackSize
* @param {Number} w width
* @param {Number} h height
* @private
*/
_trackSize: function(w, h) {
if (w > this._width) {
this._width = w;
}
if (h > this._height) {
this._height = h;
}
},
/**
* Clears the properties
*
* @method _initProps
* @private
*/
_initProps: function() {
this._fillColor = null;
this._strokeColor = null;
this._strokeOpacity = null;
this._strokeWeight = 0;
this._fillProps = null;
this._path = '';
this._width = 0;
this._height = 0;
this._x = 0;
this._y = 0;
this._fill = null;
this._stroke = 0;
this._stroked = false;
this._dashstyle = null;
},
/**
* Creates a group element
*
* @method _createGraphic
* @private
*/
_createGraphic: function() {
var group = document.createElement('<group xmlns="urn:schemas-microsft.com:vml" style="behavior:url(#default#VML);display:block;zoom:1;" />');
group.style.display = "block";
group.style.position = 'absolute';
return group;
},
/**
* Creates a graphic node
*
* @method _createGraphicNode
* @param {String} type node type to create
* @param {String} pe specified pointer-events value
* @return HTMLElement
* @private
*/
_createGraphicNode: function(type)
{
return document.createElement('<' + type + ' xmlns="urn:schemas-microsft.com:vml" style="behavior:url(#default#VML);display:inline-block;zoom:1;" />');
},
/**
* Adds a shape instance to the graphic instance.
*
* @method addShape
* @param {Shape} shape The shape instance to be added to the graphic.
*/
addShape: function(shape)
{
var node = shape.node,
parentNode = this._frag || this.node;
parentNode.appendChild(node);
if(!this._graphicsList)
{
this._graphicsList = [];
}
if(!this._shapes)
{
this._shapes = {};
}
this._graphicsList.push(node);
this._shapes[shape.get("id")] = shape;
},
/**
* Returns a shape based on the id of its dom node.
*
* @method getShapeById
* @param {String} id Dom id of the shape's node attribute.
* @return Shape
*/
getShapeById: function(id)
{
return this._shapes[id];
},
/**
* Generates a shape instance by type.
*
* @method getShape
* @param {String} type type of shape to generate.
* @param {Object} cfg attributes for the shape
* @return Shape
*/
getShape: function(cfg)
{
cfg.graphic = this;
var shape = new this._shapeClass[cfg.type](cfg);
this.addShape(shape);
return shape;
},
/**
* @private
*/
_shapeClass: {
circle: Y.VMLCircle,
rect: Y.VMLRect,
path: Y.VMLPath,
ellipse: Y.VMLEllipse
},
/**
* Adds a child to the <code>node</code>.
*
* @method addChild
* @param {HTMLElement} element to add
* @private
*/
addChild: function(child)
{
this.node.appendChild(child);
},
/**
* Allows for creating multiple shapes in order to batch appending and redraw operations.
*
* @method batch
* @param {Function} method Method to execute.
*/
batch: function(method)
{
var node = this.node,
frag = document.createDocumentFragment();
this._frag = frag;
this.autoDraw = false;
method();
this.updateSize();
node.appendChild(frag);
this._frag = null;
this.autoDraw = true;
},
/**
* Updates the size of the graphics container and.
*
* @method updateSize
*/
updateSize: function(e)
{
var bounds,
i,// = 0,
shape,
shapes = this._shapes,//this._graphicsList,
//len = shapes.length,
w,
h;
this._left = 0;
this._right = 0;
this._top = 0;
this._bottom = 0;
for(i in shapes)
//for(; i < len; ++i)
{
if(shapes.hasOwnProperty(i))
{
//shape = this.getShapeById(shapes[i].getAttribute("id"));
shape = this._shapes[i];
bounds = shape.getBounds();
this._left = Math.min(this._left, bounds.left);
this._top = Math.min(this._top, bounds.top);
this._right = Math.max(this._right, bounds.right);
this._bottom = Math.max(this._bottom, bounds.bottom);
}
}
w = this._width = this._right - this._left;
h = this._height = this._bottom - this._top;
this.setSize(this._width, this._height);
},
/**
* @private
*/
_left: 0,
/**
* @private
*/
_right: 0,
/**
* @private
*/
_top: 0,
/**
* @private
*/
_bottom: 0
};
Y.VMLGraphic = VMLGraphic;
}, '@VERSION@' ,{skinnable:false, requires:['graphics']});