pjs/testing/mochitest/MochiKit/Visual.js

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JavaScript

/***
MochiKit.Visual 1.4
See <http://mochikit.com/> for documentation, downloads, license, etc.
(c) 2005 Bob Ippolito and others. All rights Reserved.
***/
if (typeof(dojo) != 'undefined') {
dojo.provide('MochiKit.Visual');
dojo.require('MochiKit.Base');
dojo.require('MochiKit.DOM');
dojo.require('MochiKit.Style');
dojo.require('MochiKit.Color');
}
if (typeof(JSAN) != 'undefined') {
JSAN.use("MochiKit.Base", []);
JSAN.use("MochiKit.DOM", []);
JSAN.use("MochiKit.Style", []);
JSAN.use("MochiKit.Color", []);
}
try {
if (typeof(MochiKit.Base) === 'undefined' ||
typeof(MochiKit.DOM) === 'undefined' ||
typeof(MochiKit.Style) === 'undefined' ||
typeof(MochiKit.Color) === 'undefined') {
throw "";
}
} catch (e) {
throw "MochiKit.Visual depends on MochiKit.Base, MochiKit.DOM, MochiKit.Style and MochiKit.Color!";
}
if (typeof(MochiKit.Visual) == "undefined") {
MochiKit.Visual = {};
}
MochiKit.Visual.NAME = "MochiKit.Visual";
MochiKit.Visual.VERSION = "1.4";
MochiKit.Visual.__repr__ = function () {
return "[" + this.NAME + " " + this.VERSION + "]";
};
MochiKit.Visual.toString = function () {
return this.__repr__();
};
MochiKit.Visual._RoundCorners = function (e, options) {
e = MochiKit.DOM.getElement(e);
this._setOptions(options);
if (this.options.__unstable__wrapElement) {
e = this._doWrap(e);
}
var color = this.options.color;
var C = MochiKit.Color.Color;
if (this.options.color === "fromElement") {
color = C.fromBackground(e);
} else if (!(color instanceof C)) {
color = C.fromString(color);
}
this.isTransparent = (color.asRGB().a <= 0);
var bgColor = this.options.bgColor;
if (this.options.bgColor === "fromParent") {
bgColor = C.fromBackground(e.offsetParent);
} else if (!(bgColor instanceof C)) {
bgColor = C.fromString(bgColor);
}
this._roundCornersImpl(e, color, bgColor);
};
MochiKit.Visual._RoundCorners.prototype = {
_doWrap: function (e) {
var parent = e.parentNode;
var doc = MochiKit.DOM.currentDocument();
if (typeof(doc.defaultView) === "undefined"
|| doc.defaultView === null) {
return e;
}
var style = doc.defaultView.getComputedStyle(e, null);
if (typeof(style) === "undefined" || style === null) {
return e;
}
var wrapper = MochiKit.DOM.DIV({"style": {
display: "block",
// convert padding to margin
marginTop: style.getPropertyValue("padding-top"),
marginRight: style.getPropertyValue("padding-right"),
marginBottom: style.getPropertyValue("padding-bottom"),
marginLeft: style.getPropertyValue("padding-left"),
// remove padding so the rounding looks right
padding: "0px"
/*
paddingRight: "0px",
paddingLeft: "0px"
*/
}});
wrapper.innerHTML = e.innerHTML;
e.innerHTML = "";
e.appendChild(wrapper);
return e;
},
_roundCornersImpl: function (e, color, bgColor) {
if (this.options.border) {
this._renderBorder(e, bgColor);
}
if (this._isTopRounded()) {
this._roundTopCorners(e, color, bgColor);
}
if (this._isBottomRounded()) {
this._roundBottomCorners(e, color, bgColor);
}
},
_renderBorder: function (el, bgColor) {
var borderValue = "1px solid " + this._borderColor(bgColor);
var borderL = "border-left: " + borderValue;
var borderR = "border-right: " + borderValue;
var style = "style='" + borderL + ";" + borderR + "'";
el.innerHTML = "<div " + style + ">" + el.innerHTML + "</div>";
},
_roundTopCorners: function (el, color, bgColor) {
var corner = this._createCorner(bgColor);
for (var i = 0; i < this.options.numSlices; i++) {
corner.appendChild(
this._createCornerSlice(color, bgColor, i, "top")
);
}
el.style.paddingTop = 0;
el.insertBefore(corner, el.firstChild);
},
_roundBottomCorners: function (el, color, bgColor) {
var corner = this._createCorner(bgColor);
for (var i = (this.options.numSlices - 1); i >= 0; i--) {
corner.appendChild(
this._createCornerSlice(color, bgColor, i, "bottom")
);
}
el.style.paddingBottom = 0;
el.appendChild(corner);
},
_createCorner: function (bgColor) {
var dom = MochiKit.DOM;
return dom.DIV({style: {backgroundColor: bgColor.toString()}});
},
_createCornerSlice: function (color, bgColor, n, position) {
var slice = MochiKit.DOM.SPAN();
var inStyle = slice.style;
inStyle.backgroundColor = color.toString();
inStyle.display = "block";
inStyle.height = "1px";
inStyle.overflow = "hidden";
inStyle.fontSize = "1px";
var borderColor = this._borderColor(color, bgColor);
if (this.options.border && n === 0) {
inStyle.borderTopStyle = "solid";
inStyle.borderTopWidth = "1px";
inStyle.borderLeftWidth = "0px";
inStyle.borderRightWidth = "0px";
inStyle.borderBottomWidth = "0px";
// assumes css compliant box model
inStyle.height = "0px";
inStyle.borderColor = borderColor.toString();
} else if (borderColor) {
inStyle.borderColor = borderColor.toString();
inStyle.borderStyle = "solid";
inStyle.borderWidth = "0px 1px";
}
if (!this.options.compact && (n == (this.options.numSlices - 1))) {
inStyle.height = "2px";
}
this._setMargin(slice, n, position);
this._setBorder(slice, n, position);
return slice;
},
_setOptions: function (options) {
this.options = {
corners: "all",
color: "fromElement",
bgColor: "fromParent",
blend: true,
border: false,
compact: false,
__unstable__wrapElement: false
};
MochiKit.Base.update(this.options, options);
this.options.numSlices = (this.options.compact ? 2 : 4);
},
_whichSideTop: function () {
var corners = this.options.corners;
if (this._hasString(corners, "all", "top")) {
return "";
}
var has_tl = (corners.indexOf("tl") != -1);
var has_tr = (corners.indexOf("tr") != -1);
if (has_tl && has_tr) {
return "";
}
if (has_tl) {
return "left";
}
if (has_tr) {
return "right";
}
return "";
},
_whichSideBottom: function () {
var corners = this.options.corners;
if (this._hasString(corners, "all", "bottom")) {
return "";
}
var has_bl = (corners.indexOf('bl') != -1);
var has_br = (corners.indexOf('br') != -1);
if (has_bl && has_br) {
return "";
}
if (has_bl) {
return "left";
}
if (has_br) {
return "right";
}
return "";
},
_borderColor: function (color, bgColor) {
if (color == "transparent") {
return bgColor;
} else if (this.options.border) {
return this.options.border;
} else if (this.options.blend) {
return bgColor.blendedColor(color);
}
return "";
},
_setMargin: function (el, n, corners) {
var marginSize = this._marginSize(n) + "px";
var whichSide = (
corners == "top" ? this._whichSideTop() : this._whichSideBottom()
);
var style = el.style;
if (whichSide == "left") {
style.marginLeft = marginSize;
style.marginRight = "0px";
} else if (whichSide == "right") {
style.marginRight = marginSize;
style.marginLeft = "0px";
} else {
style.marginLeft = marginSize;
style.marginRight = marginSize;
}
},
_setBorder: function (el, n, corners) {
var borderSize = this._borderSize(n) + "px";
var whichSide = (
corners == "top" ? this._whichSideTop() : this._whichSideBottom()
);
var style = el.style;
if (whichSide == "left") {
style.borderLeftWidth = borderSize;
style.borderRightWidth = "0px";
} else if (whichSide == "right") {
style.borderRightWidth = borderSize;
style.borderLeftWidth = "0px";
} else {
style.borderLeftWidth = borderSize;
style.borderRightWidth = borderSize;
}
},
_marginSize: function (n) {
if (this.isTransparent) {
return 0;
}
var o = this.options;
if (o.compact && o.blend) {
var smBlendedMarginSizes = [1, 0];
return smBlendedMarginSizes[n];
} else if (o.compact) {
var compactMarginSizes = [2, 1];
return compactMarginSizes[n];
} else if (o.blend) {
var blendedMarginSizes = [3, 2, 1, 0];
return blendedMarginSizes[n];
} else {
var marginSizes = [5, 3, 2, 1];
return marginSizes[n];
}
},
_borderSize: function (n) {
var o = this.options;
var borderSizes;
if (o.compact && (o.blend || this.isTransparent)) {
return 1;
} else if (o.compact) {
borderSizes = [1, 0];
} else if (o.blend) {
borderSizes = [2, 1, 1, 1];
} else if (o.border) {
borderSizes = [0, 2, 0, 0];
} else if (this.isTransparent) {
borderSizes = [5, 3, 2, 1];
} else {
return 0;
}
return borderSizes[n];
},
_hasString: function (str) {
for (var i = 1; i< arguments.length; i++) {
if (str.indexOf(arguments[i]) != -1) {
return true;
}
}
return false;
},
_isTopRounded: function () {
return this._hasString(this.options.corners,
"all", "top", "tl", "tr"
);
},
_isBottomRounded: function () {
return this._hasString(this.options.corners,
"all", "bottom", "bl", "br"
);
},
_hasSingleTextChild: function (el) {
return (el.childNodes.length == 1 && el.childNodes[0].nodeType == 3);
}
};
/** @id MochiKit.Visual.roundElement */
MochiKit.Visual.roundElement = function (e, options) {
new MochiKit.Visual._RoundCorners(e, options);
};
/** @id MochiKit.Visual.roundClass */
MochiKit.Visual.roundClass = function (tagName, className, options) {
var elements = MochiKit.DOM.getElementsByTagAndClassName(
tagName, className
);
for (var i = 0; i < elements.length; i++) {
MochiKit.Visual.roundElement(elements[i], options);
}
};
/** @id MochiKit.Visual.tagifyText */
MochiKit.Visual.tagifyText = function (element, /* optional */tagifyStyle) {
/***
Change a node text to character in tags.
@param tagifyStyle: the style to apply to character nodes, default to
'position: relative'.
***/
var tagifyStyle = tagifyStyle || 'position:relative';
if (/MSIE/.test(navigator.userAgent)) {
tagifyStyle += ';zoom:1';
}
element = MochiKit.DOM.getElement(element);
var ma = MochiKit.Base.map;
ma(function (child) {
if (child.nodeType == 3) {
ma(function (character) {
element.insertBefore(
MochiKit.DOM.SPAN({style: tagifyStyle},
character == ' ' ? String.fromCharCode(160) : character), child);
}, child.nodeValue.split(''));
MochiKit.DOM.removeElement(child);
}
}, element.childNodes);
};
/** @id MochiKit.Visual.forceRerendering */
MochiKit.Visual.forceRerendering = function (element) {
try {
element = MochiKit.DOM.getElement(element);
var n = document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch(e) {
}
};
/** @id MochiKit.Visual.multiple */
MochiKit.Visual.multiple = function (elements, effect, /* optional */options) {
/***
Launch the same effect subsequently on given elements.
***/
options = MochiKit.Base.update({
speed: 0.1, delay: 0.0
}, options || {});
var masterDelay = options.delay;
var index = 0;
MochiKit.Base.map(function (innerelement) {
options.delay = index * options.speed + masterDelay;
new effect(innerelement, options);
index += 1;
}, elements);
};
MochiKit.Visual.PAIRS = {
'slide': ['slideDown', 'slideUp'],
'blind': ['blindDown', 'blindUp'],
'appear': ['appear', 'fade'],
'size': ['grow', 'shrink']
};
/** @id MochiKit.Visual.toggle */
MochiKit.Visual.toggle = function (element, /* optional */effect, /* optional */options) {
/***
Toggle an item between two state depending of its visibility, making
a effect between these states. Default effect is 'appear', can be
'slide' or 'blind'.
***/
element = MochiKit.DOM.getElement(element);
effect = (effect || 'appear').toLowerCase();
options = MochiKit.Base.update({
queue: {position: 'end', scope: (element.id || 'global'), limit: 1}
}, options || {});
var v = MochiKit.Visual;
v[element.style.display != 'none' ?
v.PAIRS[effect][1] : v.PAIRS[effect][0]](element, options);
};
/***
Transitions: define functions calculating variations depending of a position.
***/
MochiKit.Visual.Transitions = {}
/** @id MochiKit.Visual.Transitions.linear */
MochiKit.Visual.Transitions.linear = function (pos) {
return pos;
};
/** @id MochiKit.Visual.Transitions.sinoidal */
MochiKit.Visual.Transitions.sinoidal = function (pos) {
return (-Math.cos(pos*Math.PI)/2) + 0.5;
};
/** @id MochiKit.Visual.Transitions.reverse */
MochiKit.Visual.Transitions.reverse = function (pos) {
return 1 - pos;
};
/** @id MochiKit.Visual.Transitions.flicker */
MochiKit.Visual.Transitions.flicker = function (pos) {
return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
};
/** @id MochiKit.Visual.Transitions.wobble */
MochiKit.Visual.Transitions.wobble = function (pos) {
return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
};
/** @id MochiKit.Visual.Transitions.pulse */
MochiKit.Visual.Transitions.pulse = function (pos) {
return (Math.floor(pos*10) % 2 == 0 ?
(pos*10 - Math.floor(pos*10)) : 1 - (pos*10 - Math.floor(pos*10)));
};
/** @id MochiKit.Visual.Transitions.none */
MochiKit.Visual.Transitions.none = function (pos) {
return 0;
};
/** @id MochiKit.Visual.Transitions.full */
MochiKit.Visual.Transitions.full = function (pos) {
return 1;
};
/***
Core effects
***/
MochiKit.Visual.ScopedQueue = function () {
this.__init__();
};
MochiKit.Base.update(MochiKit.Visual.ScopedQueue.prototype, {
__init__: function () {
this.effects = [];
this.interval = null;
},
/** @id MochiKit.Visual.ScopedQueue.prototype.add */
add: function (effect) {
var timestamp = new Date().getTime();
var position = (typeof(effect.options.queue) == 'string') ?
effect.options.queue : effect.options.queue.position;
var ma = MochiKit.Base.map;
switch (position) {
case 'front':
// move unstarted effects after this effect
ma(function (e) {
if (e.state == 'idle') {
e.startOn += effect.finishOn;
e.finishOn += effect.finishOn;
}
}, this.effects);
break;
case 'end':
var finish;
// start effect after last queued effect has finished
ma(function (e) {
var i = e.finishOn;
if (i >= (finish || i)) {
finish = i;
}
}, this.effects);
timestamp = finish || timestamp;
break;
case 'break':
ma(function (e) {
e.finalize();
}, this.effects);
break;
}
effect.startOn += timestamp;
effect.finishOn += timestamp;
if (!effect.options.queue.limit ||
this.effects.length < effect.options.queue.limit) {
this.effects.push(effect);
}
if (!this.interval) {
this.interval = this.startLoop(MochiKit.Base.bind(this.loop, this),
40);
}
},
/** @id MochiKit.Visual.ScopedQueue.prototype.startLoop */
startLoop: function (func, interval) {
return setInterval(func, interval)
},
/** @id MochiKit.Visual.ScopedQueue.prototype.remove */
remove: function (effect) {
this.effects = MochiKit.Base.filter(function (e) {
return e != effect;
}, this.effects);
if (this.effects.length == 0) {
this.stopLoop(this.interval);
this.interval = null;
}
},
/** @id MochiKit.Visual.ScopedQueue.prototype.stopLoop */
stopLoop: function (interval) {
clearInterval(interval)
},
/** @id MochiKit.Visual.ScopedQueue.prototype.loop */
loop: function () {
var timePos = new Date().getTime();
MochiKit.Base.map(function (effect) {
effect.loop(timePos);
}, this.effects);
}
});
MochiKit.Visual.Queues = {
instances: {},
get: function (queueName) {
if (typeof(queueName) != 'string') {
return queueName;
}
if (!this.instances[queueName]) {
this.instances[queueName] = new MochiKit.Visual.ScopedQueue();
}
return this.instances[queueName];
}
};
MochiKit.Visual.Queue = MochiKit.Visual.Queues.get('global');
MochiKit.Visual.DefaultOptions = {
transition: MochiKit.Visual.Transitions.sinoidal,
duration: 1.0, // seconds
fps: 25.0, // max. 25fps due to MochiKit.Visual.Queue implementation
sync: false, // true for combining
from: 0.0,
to: 1.0,
delay: 0.0,
queue: 'parallel'
};
MochiKit.Visual.Base = function () {};
MochiKit.Visual.Base.prototype = {
/***
Basic class for all Effects. Define a looping mechanism called for each step
of an effect. Don't instantiate it, only subclass it.
***/
__class__ : MochiKit.Visual.Base,
/** @id MochiKit.Visual.Base.prototype.start */
start: function (options) {
var v = MochiKit.Visual;
this.options = MochiKit.Base.setdefault(options || {},
v.DefaultOptions);
this.currentFrame = 0;
this.state = 'idle';
this.startOn = this.options.delay*1000;
this.finishOn = this.startOn + (this.options.duration*1000);
this.event('beforeStart');
if (!this.options.sync) {
v.Queues.get(typeof(this.options.queue) == 'string' ?
'global' : this.options.queue.scope).add(this);
}
},
/** @id MochiKit.Visual.Base.prototype.loop */
loop: function (timePos) {
if (timePos >= this.startOn) {
if (timePos >= this.finishOn) {
return this.finalize();
}
var pos = (timePos - this.startOn) / (this.finishOn - this.startOn);
var frame =
Math.round(pos * this.options.fps * this.options.duration);
if (frame > this.currentFrame) {
this.render(pos);
this.currentFrame = frame;
}
}
},
/** @id MochiKit.Visual.Base.prototype.render */
render: function (pos) {
if (this.state == 'idle') {
this.state = 'running';
this.event('beforeSetup');
this.setup();
this.event('afterSetup');
}
if (this.state == 'running') {
if (this.options.transition) {
pos = this.options.transition(pos);
}
pos *= (this.options.to - this.options.from);
pos += this.options.from;
this.event('beforeUpdate');
this.update(pos);
this.event('afterUpdate');
}
},
/** @id MochiKit.Visual.Base.prototype.cancel */
cancel: function () {
if (!this.options.sync) {
MochiKit.Visual.Queues.get(typeof(this.options.queue) == 'string' ?
'global' : this.options.queue.scope).remove(this);
}
this.state = 'finished';
},
/** @id MochiKit.Visual.Base.prototype.finalize */
finalize: function () {
this.render(1.0);
this.cancel();
this.event('beforeFinish');
this.finish();
this.event('afterFinish');
},
setup: function () {
},
finish: function () {
},
update: function (position) {
},
/** @id MochiKit.Visual.Base.prototype.event */
event: function (eventName) {
if (this.options[eventName + 'Internal']) {
this.options[eventName + 'Internal'](this);
}
if (this.options[eventName]) {
this.options[eventName](this);
}
},
/** @id MochiKit.Visual.Base.prototype.repr */
repr: function () {
return '[' + this.__class__.NAME + ', options:' +
MochiKit.Base.repr(this.options) + ']';
}
}
/** @id MochiKit.Visual.Parallel */
MochiKit.Visual.Parallel = function (effects, options) {
this.__init__(effects, options);
};
MochiKit.Visual.Parallel.prototype = new MochiKit.Visual.Base();
MochiKit.Base.update(MochiKit.Visual.Parallel.prototype, {
/***
Run multiple effects at the same time.
***/
__init__: function (effects, options) {
this.effects = effects || [];
this.start(options);
},
/** @id MochiKit.Visual.Parallel.prototype.update */
update: function (position) {
MochiKit.Base.map(function (effect) {
effect.render(position);
}, this.effects);
},
/** @id MochiKit.Visual.Parallel.prototype.finish */
finish: function () {
MochiKit.Base.map(function (effect) {
effect.finalize();
}, this.effects);
}
});
/** @id MochiKit.Visual.Opacity */
MochiKit.Visual.Opacity = function (element, options) {
this.__init__(element, options);
};
MochiKit.Visual.Opacity.prototype = new MochiKit.Visual.Base();
MochiKit.Base.update(MochiKit.Visual.Opacity.prototype, {
/***
Change the opacity of an element.
@param options: 'from' and 'to' change the starting and ending opacities.
Must be between 0.0 and 1.0. Default to current opacity and 1.0.
***/
__init__: function (element, /* optional */options) {
var b = MochiKit.Base;
var s = MochiKit.Style;
this.element = MochiKit.DOM.getElement(element);
// make this work on IE on elements without 'layout'
if (this.element.currentStyle &&
(!this.element.currentStyle.hasLayout)) {
s.setStyle(this.element, {zoom: 1});
}
options = b.update({
from: s.getOpacity(this.element) || 0.0,
to: 1.0
}, options || {});
this.start(options);
},
/** @id MochiKit.Visual.Opacity.prototype.update */
update: function (position) {
MochiKit.Style.setOpacity(this.element, position);
}
});
/** @id MochiKit.Visual.Opacity.prototype.Move */
MochiKit.Visual.Move = function (element, options) {
this.__init__(element, options);
};
MochiKit.Visual.Move.prototype = new MochiKit.Visual.Base();
MochiKit.Base.update(MochiKit.Visual.Move.prototype, {
/***
Move an element between its current position to a defined position
@param options: 'x' and 'y' for final positions, default to 0, 0.
***/
__init__: function (element, /* optional */options) {
this.element = MochiKit.DOM.getElement(element);
options = MochiKit.Base.update({
x: 0,
y: 0,
mode: 'relative'
}, options || {});
this.start(options);
},
/** @id MochiKit.Visual.Move.prototype.setup */
setup: function () {
// Bug in Opera: Opera returns the 'real' position of a static element
// or relative element that does not have top/left explicitly set.
// ==> Always set top and left for position relative elements in your
// stylesheets (to 0 if you do not need them)
MochiKit.DOM.makePositioned(this.element);
var s = this.element.style;
var originalVisibility = s.visibility;
var originalDisplay = s.display;
if (originalDisplay == 'none') {
s.visibility = 'hidden';
s.display = '';
}
this.originalLeft = parseFloat(MochiKit.Style.getStyle(this.element, 'left') || '0');
this.originalTop = parseFloat(MochiKit.Style.getStyle(this.element, 'top') || '0');
if (this.options.mode == 'absolute') {
// absolute movement, so we need to calc deltaX and deltaY
this.options.x -= this.originalLeft;
this.options.y -= this.originalTop;
}
if (originalDisplay == 'none') {
s.visibility = originalVisibility;
s.display = originalDisplay;
}
},
/** @id MochiKit.Visual.Move.prototype.update */
update: function (position) {
MochiKit.Style.setStyle(this.element, {
left: Math.round(this.options.x * position + this.originalLeft) + 'px',
top: Math.round(this.options.y * position + this.originalTop) + 'px'
});
}
});
/** @id MochiKit.Visual.Scale */
MochiKit.Visual.Scale = function (element, percent, options) {
this.__init__(element, percent, options);
};
MochiKit.Visual.Scale.prototype = new MochiKit.Visual.Base();
MochiKit.Base.update(MochiKit.Visual.Scale.prototype, {
/***
Change the size of an element.
@param percent: final_size = percent*original_size
@param options: several options changing scale behaviour
***/
__init__: function (element, percent, /* optional */options) {
this.element = MochiKit.DOM.getElement(element)
options = MochiKit.Base.update({
scaleX: true,
scaleY: true,
scaleContent: true,
scaleFromCenter: false,
scaleMode: 'box', // 'box' or 'contents' or {} with provided values
scaleFrom: 100.0,
scaleTo: percent
}, options || {});
this.start(options);
},
/** @id MochiKit.Visual.Scale.prototype.setup */
setup: function () {
this.restoreAfterFinish = this.options.restoreAfterFinish || false;
this.elementPositioning = MochiKit.Style.getStyle(this.element,
'position');
var ma = MochiKit.Base.map;
var b = MochiKit.Base.bind;
this.originalStyle = {};
ma(b(function (k) {
this.originalStyle[k] = this.element.style[k];
}, this), ['top', 'left', 'width', 'height', 'fontSize']);
this.originalTop = this.element.offsetTop;
this.originalLeft = this.element.offsetLeft;
var fontSize = MochiKit.Style.getStyle(this.element,
'font-size') || '100%';
ma(b(function (fontSizeType) {
if (fontSize.indexOf(fontSizeType) > 0) {
this.fontSize = parseFloat(fontSize);
this.fontSizeType = fontSizeType;
}
}, this), ['em', 'px', '%']);
this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
if (/^content/.test(this.options.scaleMode)) {
this.dims = [this.element.scrollHeight, this.element.scrollWidth];
} else if (this.options.scaleMode == 'box') {
this.dims = [this.element.offsetHeight, this.element.offsetWidth];
} else {
this.dims = [this.options.scaleMode.originalHeight,
this.options.scaleMode.originalWidth];
}
},
/** @id MochiKit.Visual.Scale.prototype.update */
update: function (position) {
var currentScale = (this.options.scaleFrom/100.0) +
(this.factor * position);
if (this.options.scaleContent && this.fontSize) {
MochiKit.Style.setStyle(this.element, {
fontSize: this.fontSize * currentScale + this.fontSizeType
});
}
this.setDimensions(this.dims[0] * currentScale,
this.dims[1] * currentScale);
},
/** @id MochiKit.Visual.Scale.prototype.finish */
finish: function () {
if (this.restoreAfterFinish) {
MochiKit.Style.setStyle(this.element, this.originalStyle);
}
},
/** @id MochiKit.Visual.Scale.prototype.setDimensions */
setDimensions: function (height, width) {
var d = {};
var r = Math.round;
if (/MSIE/.test(navigator.userAgent)) {
r = Math.ceil;
}
if (this.options.scaleX) {
d.width = r(width) + 'px';
}
if (this.options.scaleY) {
d.height = r(height) + 'px';
}
if (this.options.scaleFromCenter) {
var topd = (height - this.dims[0])/2;
var leftd = (width - this.dims[1])/2;
if (this.elementPositioning == 'absolute') {
if (this.options.scaleY) {
d.top = this.originalTop - topd + 'px';
}
if (this.options.scaleX) {
d.left = this.originalLeft - leftd + 'px';
}
} else {
if (this.options.scaleY) {
d.top = -topd + 'px';
}
if (this.options.scaleX) {
d.left = -leftd + 'px';
}
}
}
MochiKit.Style.setStyle(this.element, d);
}
});
/** @id MochiKit.Visual.Highlight */
MochiKit.Visual.Highlight = function (element, options) {
this.__init__(element, options);
};
MochiKit.Visual.Highlight.prototype = new MochiKit.Visual.Base();
MochiKit.Base.update(MochiKit.Visual.Highlight.prototype, {
/***
Highlight an item of the page.
@param options: 'startcolor' for choosing highlighting color, default
to '#ffff99'.
***/
__init__: function (element, /* optional */options) {
this.element = MochiKit.DOM.getElement(element);
options = MochiKit.Base.update({
startcolor: '#ffff99'
}, options || {});
this.start(options);
},
/** @id MochiKit.Visual.Highlight.prototype.setup */
setup: function () {
var b = MochiKit.Base;
var s = MochiKit.Style;
// Prevent executing on elements not in the layout flow
if (s.getStyle(this.element, 'display') == 'none') {
this.cancel();
return;
}
// Disable background image during the effect
this.oldStyle = {
backgroundImage: s.getStyle(this.element, 'background-image')
};
s.setStyle(this.element, {
backgroundImage: 'none'
});
if (!this.options.endcolor) {
this.options.endcolor =
MochiKit.Color.Color.fromBackground(this.element).toHexString();
}
if (b.isUndefinedOrNull(this.options.restorecolor)) {
this.options.restorecolor = s.getStyle(this.element,
'background-color');
}
// init color calculations
this._base = b.map(b.bind(function (i) {
return parseInt(
this.options.startcolor.slice(i*2 + 1, i*2 + 3), 16);
}, this), [0, 1, 2]);
this._delta = b.map(b.bind(function (i) {
return parseInt(this.options.endcolor.slice(i*2 + 1, i*2 + 3), 16)
- this._base[i];
}, this), [0, 1, 2]);
},
/** @id MochiKit.Visual.Highlight.prototype.update */
update: function (position) {
var m = '#';
MochiKit.Base.map(MochiKit.Base.bind(function (i) {
m += MochiKit.Color.toColorPart(Math.round(this._base[i] +
this._delta[i]*position));
}, this), [0, 1, 2]);
MochiKit.Style.setStyle(this.element, {
backgroundColor: m
});
},
/** @id MochiKit.Visual.Highlight.prototype.finish */
finish: function () {
MochiKit.Style.setStyle(this.element,
MochiKit.Base.update(this.oldStyle, {
backgroundColor: this.options.restorecolor
}));
}
});
/** @id MochiKit.Visual.ScrollTo */
MochiKit.Visual.ScrollTo = function (element, options) {
this.__init__(element, options);
};
MochiKit.Visual.ScrollTo.prototype = new MochiKit.Visual.Base();
MochiKit.Base.update(MochiKit.Visual.ScrollTo.prototype, {
/***
Scroll to an element in the page.
***/
__init__: function (element, /* optional */options) {
this.element = MochiKit.DOM.getElement(element);
this.start(options || {});
},
/** @id MochiKit.Visual.ScrollTo.prototype.setup */
setup: function () {
var p = MochiKit.Position;
p.prepare();
var offsets = p.cumulativeOffset(this.element);
if (this.options.offset) {
offsets.y += this.options.offset;
}
var max;
if (window.innerHeight) {
max = window.innerHeight - window.height;
} else if (document.documentElement &&
document.documentElement.clientHeight) {
max = document.documentElement.clientHeight -
document.body.scrollHeight;
} else if (document.body) {
max = document.body.clientHeight - document.body.scrollHeight;
}
this.scrollStart = p.windowOffset.y;
this.delta = (offsets.y > max ? max : offsets.y) - this.scrollStart;
},
/** @id MochiKit.Visual.ScrollTo.prototype.update */
update: function (position) {
var p = MochiKit.Position;
p.prepare();
window.scrollTo(p.windowOffset.x, this.scrollStart + (position * this.delta));
}
});
/***
Combination effects.
***/
/** @id MochiKit.Visual.fade */
MochiKit.Visual.fade = function (element, /* optional */ options) {
/***
Fade a given element: change its opacity and hide it in the end.
@param options: 'to' and 'from' to change opacity.
***/
var s = MochiKit.Style;
var oldOpacity = MochiKit.DOM.getElement(element).style.opacity || '';
options = MochiKit.Base.update({
from: s.getOpacity(element) || 1.0,
to: 0.0,
afterFinishInternal: function (effect) {
if (effect.options.to !== 0) {
return;
}
s.hideElement(effect.element);
s.setStyle(effect.element, {opacity: oldOpacity});
}
}, options || {});
return new MochiKit.Visual.Opacity(element, options);
};
/** @id MochiKit.Visual.appear */
MochiKit.Visual.appear = function (element, /* optional */ options) {
/***
Make an element appear.
@param options: 'to' and 'from' to change opacity.
***/
var s = MochiKit.Style;
var v = MochiKit.Visual;
options = MochiKit.Base.update({
from: (s.getStyle(element, 'display') == 'none' ? 0.0 :
s.getOpacity(element) || 0.0),
to: 1.0,
// force Safari to render floated elements properly
afterFinishInternal: function (effect) {
v.forceRerendering(effect.element);
},
beforeSetupInternal: function (effect) {
s.setOpacity(effect.element, effect.options.from);
s.showElement(effect.element);
}
}, options || {});
return new v.Opacity(element, options);
};
/** @id MochiKit.Visual.puff */
MochiKit.Visual.puff = function (element, /* optional */ options) {
/***
'Puff' an element: grow it to double size, fading it and make it hidden.
***/
var s = MochiKit.Style;
var v = MochiKit.Visual;
element = MochiKit.DOM.getElement(element);
var oldStyle = {
opacity: element.style.opacity || '',
position: s.getStyle(element, 'position'),
top: element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height
};
options = MochiKit.Base.update({
beforeSetupInternal: function (effect) {
MochiKit.Position.absolutize(effect.effects[0].element)
},
afterFinishInternal: function (effect) {
s.hideElement(effect.effects[0].element);
s.setStyle(effect.effects[0].element, oldStyle);
}
}, options || {});
return new v.Parallel(
[new v.Scale(element, 200,
{sync: true, scaleFromCenter: true,
scaleContent: true, restoreAfterFinish: true}),
new v.Opacity(element, {sync: true, to: 0.0 })],
options);
};
/** @id MochiKit.Visual.blindUp */
MochiKit.Visual.blindUp = function (element, /* optional */ options) {
/***
Blind an element up: change its vertical size to 0.
***/
var d = MochiKit.DOM;
element = d.getElement(element);
var elemClip = d.makeClipping(element);
options = MochiKit.Base.update({
scaleContent: false,
scaleX: false,
restoreAfterFinish: true,
afterFinishInternal: function (effect) {
MochiKit.Style.hideElement(effect.element);
d.undoClipping(effect.element, elemClip);
}
}, options || {});
return new MochiKit.Visual.Scale(element, 0, options);
};
/** @id MochiKit.Visual.blindDown */
MochiKit.Visual.blindDown = function (element, /* optional */ options) {
/***
Blind an element down: restore its vertical size.
***/
var d = MochiKit.DOM;
var s = MochiKit.Style;
element = d.getElement(element);
var elementDimensions = s.getElementDimensions(element);
var elemClip;
options = MochiKit.Base.update({
scaleContent: false,
scaleX: false,
scaleFrom: 0,
scaleMode: {originalHeight: elementDimensions.h,
originalWidth: elementDimensions.w},
restoreAfterFinish: true,
afterSetupInternal: function (effect) {
elemClip = d.makeClipping(effect.element);
s.setStyle(effect.element, {height: '0px'});
s.showElement(effect.element);
},
afterFinishInternal: function (effect) {
d.undoClipping(effect.element, elemClip);
}
}, options || {});
return new MochiKit.Visual.Scale(element, 100, options);
};
/** @id MochiKit.Visual.switchOff */
MochiKit.Visual.switchOff = function (element, /* optional */ options) {
/***
Apply a switch-off-like effect.
***/
var d = MochiKit.DOM;
element = d.getElement(element);
var oldOpacity = element.style.opacity || '';
var elemClip;
var options = MochiKit.Base.update({
duration: 0.3,
scaleFromCenter: true,
scaleX: false,
scaleContent: false,
restoreAfterFinish: true,
beforeSetupInternal: function (effect) {
d.makePositioned(effect.element);
elemClip = d.makeClipping(effect.element);
},
afterFinishInternal: function (effect) {
MochiKit.Style.hideElement(effect.element);
d.undoClipping(effect.element, elemClip);
d.undoPositioned(effect.element);
MochiKit.Style.setStyle(effect.element, {opacity: oldOpacity});
}
}, options || {});
var v = MochiKit.Visual;
return new v.appear(element, {
duration: 0.4,
from: 0,
transition: v.Transitions.flicker,
afterFinishInternal: function (effect) {
new v.Scale(effect.element, 1, options)
}
});
};
/** @id MochiKit.Visual.dropOut */
MochiKit.Visual.dropOut = function (element, /* optional */ options) {
/***
Make an element fall and disappear.
***/
var d = MochiKit.DOM;
var s = MochiKit.Style;
element = d.getElement(element);
var oldStyle = {
top: s.getStyle(element, 'top'),
left: s.getStyle(element, 'left'),
opacity: element.style.opacity || ''
};
options = MochiKit.Base.update({
duration: 0.5,
beforeSetupInternal: function (effect) {
d.makePositioned(effect.effects[0].element);
},
afterFinishInternal: function (effect) {
s.hideElement(effect.effects[0].element);
d.undoPositioned(effect.effects[0].element);
s.setStyle(effect.effects[0].element, oldStyle);
}
}, options || {});
var v = MochiKit.Visual;
return new v.Parallel(
[new v.Move(element, {x: 0, y: 100, sync: true}),
new v.Opacity(element, {sync: true, to: 0.0})],
options);
};
/** @id MochiKit.Visual.shake */
MochiKit.Visual.shake = function (element, /* optional */ options) {
/***
Move an element from left to right several times.
***/
var d = MochiKit.DOM;
var v = MochiKit.Visual;
var s = MochiKit.Style;
element = d.getElement(element);
options = MochiKit.Base.update({
x: -20,
y: 0,
duration: 0.05,
afterFinishInternal: function (effect) {
d.undoPositioned(effect.element);
s.setStyle(effect.element, oldStyle);
}
}, options || {});
var oldStyle = {
top: s.getStyle(element, 'top'),
left: s.getStyle(element, 'left') };
return new v.Move(element,
{x: 20, y: 0, duration: 0.05, afterFinishInternal: function (effect) {
new v.Move(effect.element,
{x: -40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
new v.Move(effect.element,
{x: 40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
new v.Move(effect.element,
{x: -40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
new v.Move(effect.element,
{x: 40, y: 0, duration: 0.1, afterFinishInternal: function (effect) {
new v.Move(effect.element, options
) }}) }}) }}) }}) }});
};
/** @id MochiKit.Visual.slideDown */
MochiKit.Visual.slideDown = function (element, /* optional */ options) {
/***
Slide an element down.
It needs to have the content of the element wrapped in a container
element with fixed height.
***/
var d = MochiKit.DOM;
var b = MochiKit.Base;
var s = MochiKit.Style;
element = d.getElement(element);
if (!element.firstChild) {
throw "MochiKit.Visual.slideDown must be used on a element with a child";
}
d.removeEmptyTextNodes(element);
var oldInnerBottom = s.getStyle(element.firstChild, 'bottom') || 0;
var elementDimensions = s.getElementDimensions(element);
var elemClip;
options = b.update({
scaleContent: false,
scaleX: false,
scaleFrom: 0,
scaleMode: {originalHeight: elementDimensions.h,
originalWidth: elementDimensions.w},
restoreAfterFinish: true,
afterSetupInternal: function (effect) {
d.makePositioned(effect.element);
d.makePositioned(effect.element.firstChild);
if (/Opera/.test(navigator.userAgent)) {
s.setStyle(effect.element, {top: ''});
}
elemClip = d.makeClipping(effect.element);
s.setStyle(effect.element, {height: '0px'});
s.showElement(effect.element);
},
afterUpdateInternal: function (effect) {
s.setStyle(effect.element.firstChild,
{bottom: (effect.dims[0] - effect.element.clientHeight) + 'px'})
},
afterFinishInternal: function (effect) {
d.undoClipping(effect.element, elemClip);
// IE will crash if child is undoPositioned first
if (/MSIE/.test(navigator.userAgent)) {
d.undoPositioned(effect.element);
d.undoPositioned(effect.element.firstChild);
} else {
d.undoPositioned(effect.element.firstChild);
d.undoPositioned(effect.element);
}
s.setStyle(effect.element.firstChild,
{bottom: oldInnerBottom});
}
}, options || {});
return new MochiKit.Visual.Scale(element, 100, options);
};
/** @id MochiKit.Visual.slideUp */
MochiKit.Visual.slideUp = function (element, /* optional */ options) {
/***
Slide an element up.
It needs to have the content of the element wrapped in a container
element with fixed height.
***/
var d = MochiKit.DOM;
var b = MochiKit.Base;
var s = MochiKit.Style;
element = d.getElement(element);
if (!element.firstChild) {
throw "MochiKit.Visual.slideUp must be used on a element with a child";
}
d.removeEmptyTextNodes(element);
var oldInnerBottom = s.getStyle(element.firstChild, 'bottom');
var elemClip;
options = b.update({
scaleContent: false,
scaleX: false,
scaleMode: 'box',
scaleFrom: 100,
restoreAfterFinish: true,
beforeStartInternal: function (effect) {
d.makePositioned(effect.element);
d.makePositioned(effect.element.firstChild);
if (/Opera/.test(navigator.userAgent)) {
s.setStyle(effect.element, {top: ''});
}
elemClip = d.makeClipping(effect.element);
s.showElement(effect.element);
},
afterUpdateInternal: function (effect) {
s.setStyle(effect.element.firstChild,
{bottom: (effect.dims[0] - effect.element.clientHeight) + 'px'});
},
afterFinishInternal: function (effect) {
s.hideElement(effect.element);
d.undoClipping(effect.element, elemClip);
d.undoPositioned(effect.element.firstChild);
d.undoPositioned(effect.element);
s.setStyle(effect.element.firstChild, {bottom: oldInnerBottom});
}
}, options || {});
return new MochiKit.Visual.Scale(element, 0, options);
};
// Bug in opera makes the TD containing this element expand for a instance
// after finish
/** @id MochiKit.Visual.squish */
MochiKit.Visual.squish = function (element, /* optional */ options) {
/***
Reduce an element and make it disappear.
***/
var d = MochiKit.DOM;
var b = MochiKit.Base;
var elemClip;
options = b.update({
restoreAfterFinish: true,
beforeSetupInternal: function (effect) {
elemClip = d.makeClipping(effect.element);
},
afterFinishInternal: function (effect) {
MochiKit.Style.hideElement(effect.element);
d.undoClipping(effect.element, elemClip);
}
}, options || {});
return new MochiKit.Visual.Scale(element, /Opera/.test(navigator.userAgent) ? 1 : 0, options);
};
/** @id MochiKit.Visual.grow */
MochiKit.Visual.grow = function (element, /* optional */ options) {
/***
Grow an element to its original size. Make it zero-sized before
if necessary.
***/
var d = MochiKit.DOM;
var v = MochiKit.Visual;
var s = MochiKit.Style;
element = d.getElement(element);
options = MochiKit.Base.update({
direction: 'center',
moveTransition: v.Transitions.sinoidal,
scaleTransition: v.Transitions.sinoidal,
opacityTransition: v.Transitions.full
}, options || {});
var oldStyle = {
top: element.style.top,
left: element.style.left,
height: element.style.height,
width: element.style.width,
opacity: element.style.opacity || ''
};
var dims = s.getElementDimensions(element);
var initialMoveX, initialMoveY;
var moveX, moveY;
switch (options.direction) {
case 'top-left':
initialMoveX = initialMoveY = moveX = moveY = 0;
break;
case 'top-right':
initialMoveX = dims.w;
initialMoveY = moveY = 0;
moveX = -dims.w;
break;
case 'bottom-left':
initialMoveX = moveX = 0;
initialMoveY = dims.h;
moveY = -dims.h;
break;
case 'bottom-right':
initialMoveX = dims.w;
initialMoveY = dims.h;
moveX = -dims.w;
moveY = -dims.h;
break;
case 'center':
initialMoveX = dims.w / 2;
initialMoveY = dims.h / 2;
moveX = -dims.w / 2;
moveY = -dims.h / 2;
break;
}
var optionsParallel = MochiKit.Base.update({
beforeSetupInternal: function (effect) {
s.setStyle(effect.effects[0].element, {height: '0px'});
s.showElement(effect.effects[0].element);
},
afterFinishInternal: function (effect) {
d.undoClipping(effect.effects[0].element);
d.undoPositioned(effect.effects[0].element);
s.setStyle(effect.effects[0].element, oldStyle);
}
}, options || {});
return new v.Move(element, {
x: initialMoveX,
y: initialMoveY,
duration: 0.01,
beforeSetupInternal: function (effect) {
s.hideElement(effect.element);
d.makeClipping(effect.element);
d.makePositioned(effect.element);
},
afterFinishInternal: function (effect) {
new v.Parallel(
[new v.Opacity(effect.element, {
sync: true, to: 1.0, from: 0.0,
transition: options.opacityTransition
}),
new v.Move(effect.element, {
x: moveX, y: moveY, sync: true,
transition: options.moveTransition
}),
new v.Scale(effect.element, 100, {
scaleMode: {originalHeight: dims.h,
originalWidth: dims.w},
sync: true,
scaleFrom: /Opera/.test(navigator.userAgent) ? 1 : 0,
transition: options.scaleTransition,
restoreAfterFinish: true
})
], optionsParallel
);
}
});
};
/** @id MochiKit.Visual.shrink */
MochiKit.Visual.shrink = function (element, /* optional */ options) {
/***
Shrink an element and make it disappear.
***/
var d = MochiKit.DOM;
var v = MochiKit.Visual;
var s = MochiKit.Style;
element = d.getElement(element);
options = MochiKit.Base.update({
direction: 'center',
moveTransition: v.Transitions.sinoidal,
scaleTransition: v.Transitions.sinoidal,
opacityTransition: v.Transitions.none
}, options || {});
var oldStyle = {
top: element.style.top,
left: element.style.left,
height: element.style.height,
width: element.style.width,
opacity: element.style.opacity || ''
};
var dims = s.getElementDimensions(element);
var moveX, moveY;
switch (options.direction) {
case 'top-left':
moveX = moveY = 0;
break;
case 'top-right':
moveX = dims.w;
moveY = 0;
break;
case 'bottom-left':
moveX = 0;
moveY = dims.h;
break;
case 'bottom-right':
moveX = dims.w;
moveY = dims.h;
break;
case 'center':
moveX = dims.w / 2;
moveY = dims.h / 2;
break;
}
var elemClip;
var optionsParallel = MochiKit.Base.update({
beforeStartInternal: function (effect) {
elemClip = d.makePositioned(effect.effects[0].element);
d.makeClipping(effect.effects[0].element);
},
afterFinishInternal: function (effect) {
s.hideElement(effect.effects[0].element);
d.undoClipping(effect.effects[0].element, elemClip);
d.undoPositioned(effect.effects[0].element);
s.setStyle(effect.effects[0].element, oldStyle);
}
}, options || {});
return new v.Parallel(
[new v.Opacity(element, {
sync: true, to: 0.0, from: 1.0,
transition: options.opacityTransition
}),
new v.Scale(element, /Opera/.test(navigator.userAgent) ? 1 : 0, {
sync: true, transition: options.scaleTransition,
restoreAfterFinish: true
}),
new v.Move(element, {
x: moveX, y: moveY, sync: true, transition: options.moveTransition
})
], optionsParallel
);
};
/** @id MochiKit.Visual.pulsate */
MochiKit.Visual.pulsate = function (element, /* optional */ options) {
/***
Pulse an element between appear/fade.
***/
var d = MochiKit.DOM;
var v = MochiKit.Visual;
var b = MochiKit.Base;
var oldOpacity = d.getElement(element).style.opacity || '';
options = b.update({
duration: 3.0,
from: 0,
afterFinishInternal: function (effect) {
MochiKit.Style.setStyle(effect.element, {opacity: oldOpacity});
}
}, options || {});
var transition = options.transition || v.Transitions.sinoidal;
var reverser = b.bind(function (pos) {
return transition(1 - v.Transitions.pulse(pos));
}, transition);
b.bind(reverser, transition);
return new v.Opacity(element, b.update({
transition: reverser}, options));
};
/** @id MochiKit.Visual.fold */
MochiKit.Visual.fold = function (element, /* optional */ options) {
/***
Fold an element, first vertically, then horizontally.
***/
var d = MochiKit.DOM;
var v = MochiKit.Visual;
var s = MochiKit.Style;
element = d.getElement(element);
var oldStyle = {
top: element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height
};
var elemClip = d.makeClipping(element);
options = MochiKit.Base.update({
scaleContent: false,
scaleX: false,
afterFinishInternal: function (effect) {
new v.Scale(element, 1, {
scaleContent: false,
scaleY: false,
afterFinishInternal: function (effect) {
s.hideElement(effect.element);
d.undoClipping(effect.element, elemClip);
s.setStyle(effect.element, oldStyle);
}
});
}
}, options || {});
return new v.Scale(element, 5, options);
};
// Compatibility with MochiKit 1.0
MochiKit.Visual.Color = MochiKit.Color.Color;
MochiKit.Visual.getElementsComputedStyle = MochiKit.DOM.computedStyle;
/* end of Rico adaptation */
MochiKit.Visual.__new__ = function () {
var m = MochiKit.Base;
m.nameFunctions(this);
this.EXPORT_TAGS = {
":common": this.EXPORT,
":all": m.concat(this.EXPORT, this.EXPORT_OK)
};
};
MochiKit.Visual.EXPORT = [
"roundElement",
"roundClass",
"tagifyText",
"multiple",
"toggle",
"Base",
"Parallel",
"Opacity",
"Move",
"Scale",
"Highlight",
"ScrollTo",
"fade",
"appear",
"puff",
"blindUp",
"blindDown",
"switchOff",
"dropOut",
"shake",
"slideDown",
"slideUp",
"squish",
"grow",
"shrink",
"pulsate",
"fold"
];
MochiKit.Visual.EXPORT_OK = [
"PAIRS"
];
MochiKit.Visual.__new__();
MochiKit.Base._exportSymbols(this, MochiKit.Visual);