Hacked By AnonymousFox

/* Copyright (c) 2005 Tim Taylor Consulting (see LICENSE.txt) */



/* FIXME: assumes position styles are specified in 'px' */



ToolMan._coordinatesFactory = {



	create : function(x, y) {

		// FIXME: Safari won't parse 'throw' and aborts trying to do anything with this file

		//if (isNaN(x) || isNaN(y)) throw "invalid x,y: " + x + "," + y

		return new _ToolManCoordinate(this, x, y)

	},



	origin : function() {

		return this.create(0, 0)

	},



	/*

	 * FIXME: Safari 1.2, returns (0,0) on absolutely positioned elements

	 */

	topLeftPosition : function(element) {

		var left = parseInt(ToolMan.css().readStyle(element, "left"))

		var left = isNaN(left) ? 0 : left

		var top = parseInt(ToolMan.css().readStyle(element, "top"))

		var top = isNaN(top) ? 0 : top



		return this.create(left, top)

	},



	bottomRightPosition : function(element) {

		return this.topLeftPosition(element).plus(this._size(element))

	},



	topLeftOffset : function(element) {

		var offset = this._offset(element) 



		var parent = element.offsetParent

		while (parent) {

			offset = offset.plus(this._offset(parent))

			parent = parent.offsetParent

		}

		return offset

	},



	bottomRightOffset : function(element) {

		return this.topLeftOffset(element).plus(

				this.create(element.offsetWidth, element.offsetHeight))

	},



	scrollOffset : function() {

		if (window.pageXOffset) {

			return this.create(window.pageXOffset, window.pageYOffset)

		} else if (document.documentElement) {

			return this.create(

					document.body.scrollLeft + document.documentElement.scrollLeft, 

					document.body.scrollTop + document.documentElement.scrollTop)

		} else if (document.body.scrollLeft >= 0) {

			return this.create(document.body.scrollLeft, document.body.scrollTop)

		} else {

			return this.create(0, 0)

		}

	},



	clientSize : function() {

		if (window.innerHeight >= 0) {

			return this.create(window.innerWidth, window.innerHeight)

		} else if (document.documentElement) {

			return this.create(document.documentElement.clientWidth,

					document.documentElement.clientHeight)

		} else if (document.body.clientHeight >= 0) {

			return this.create(document.body.clientWidth,

					document.body.clientHeight)

		} else {

			return this.create(0, 0)

		}

	},



	/**

	 * mouse coordinate relative to the window (technically the

	 * browser client area) i.e. the part showing your page

	 *

	 * NOTE: in Safari the coordinate is relative to the document

	 */

	mousePosition : function(event) {

		event = ToolMan.events().fix(event)

		return this.create(event.clientX, event.clientY)

	},



	/**

	 * mouse coordinate relative to the document

	 */

	mouseOffset : function(event) {

		event = ToolMan.events().fix(event)

		if (event.pageX >= 0 || event.pageX < 0) {

			return this.create(event.pageX, event.pageY)

		} else if (event.clientX >= 0 || event.clientX < 0) {

			return this.mousePosition(event).plus(this.scrollOffset())

		}

	},



	_size : function(element) {

	/* TODO: move to a Dimension class */

		return this.create(element.offsetWidth, element.offsetHeight)

	},



	_offset : function(element) {

		return this.create(element.offsetLeft, element.offsetTop)

	}

}



function _ToolManCoordinate(factory, x, y) {

	this.factory = factory

	this.x = isNaN(x) ? 0 : x

	this.y = isNaN(y) ? 0 : y

}



_ToolManCoordinate.prototype = {

	toString : function() {

		return "(" + this.x + "," + this.y + ")"

	},



	plus : function(that) {

		return this.factory.create(this.x + that.x, this.y + that.y)

	},



	minus : function(that) {

		return this.factory.create(this.x - that.x, this.y - that.y)

	},



	min : function(that) {

		return this.factory.create(

				Math.min(this.x , that.x), Math.min(this.y , that.y))

	},



	max : function(that) {

		return this.factory.create(

				Math.max(this.x , that.x), Math.max(this.y , that.y))

	},



	constrainTo : function (one, two) {

		var min = one.min(two)

		var max = one.max(two)



		return this.max(min).min(max)

	},



	distance : function (that) {

		return Math.sqrt(Math.pow(this.x - that.x, 2) + Math.pow(this.y - that.y, 2))

	},



	reposition : function(element) {

		element.style["top"] = this.y + "px"

		element.style["left"] = this.x + "px"

	}

}