Edit D:\AVAWeike\AVAWeike\AVA.ResourcesPlatform.WebUI\JS\ui\ui.slider.js

/*
 * jQuery UI Slider 1.7.2
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Slider
 *
 * Depends:
 *	ui.core.js
 */

(function($) {

$.widget("ui.slider", $.extend({}, $.ui.mouse, {

_init: function() {

var self = this, o = this.options;
		this._keySliding = false;
		this._handleIndex = null;
		this._detectOrientation();
		this._mouseInit();

this.element
			.addClass("ui-slider"
				+ " ui-slider-" + this.orientation
				+ " ui-widget"
				+ " ui-widget-content"
				+ " ui-corner-all");

this.range = $([]);

if (o.range) {

if (o.range === true) {
				this.range = $('<div></div>');
				if (!o.values) o.values = [this._valueMin(), this._valueMin()];
				if (o.values.length && o.values.length != 2) {
					o.values = [o.values[0], o.values[0]];
				}
			} else {
				this.range = $('<div></div>');
			}

this.range
				.appendTo(this.element)
				.addClass("ui-slider-range");

if (o.range == "min" || o.range == "max") {
				this.range.addClass("ui-slider-range-" + o.range);
			}

// note: this isn't the most fittingly semantic framework class for this element,
			// but worked best visually with a variety of themes
			this.range.addClass("ui-widget-header");

}

if ($(".ui-slider-handle", this.element).length == 0)
			$('<a href="#"></a>')
				.appendTo(this.element)
				.addClass("ui-slider-handle");

if (o.values && o.values.length) {
			while ($(".ui-slider-handle", this.element).length < o.values.length)
				$('<a href="#"></a>')
					.appendTo(this.element)
					.addClass("ui-slider-handle");
		}

this.handles = $(".ui-slider-handle", this.element)
			.addClass("ui-state-default"
				+ " ui-corner-all");

this.handle = this.handles.eq(0);

this.handles.add(this.range).filter("a")
			.click(function(event) {
				event.preventDefault();
			})
			.hover(function() {
				if (!o.disabled) {
					$(this).addClass('ui-state-hover');
				}
			}, function() {
				$(this).removeClass('ui-state-hover');
			})
			.focus(function() {
				if (!o.disabled) {
					$(".ui-slider .ui-state-focus").removeClass('ui-state-focus'); $(this).addClass('ui-state-focus');
				} else {
					$(this).blur();
				}
			})
			.blur(function() {
				$(this).removeClass('ui-state-focus');
			});

this.handles.each(function(i) {
			$(this).data("index.ui-slider-handle", i);
		});

this.handles.keydown(function(event) {

var ret = true;

var index = $(this).data("index.ui-slider-handle");

if (self.options.disabled)
				return;

switch (event.keyCode) {
				case $.ui.keyCode.HOME:
				case $.ui.keyCode.END:
				case $.ui.keyCode.UP:
				case $.ui.keyCode.RIGHT:
				case $.ui.keyCode.DOWN:
				case $.ui.keyCode.LEFT:
					ret = false;
					if (!self._keySliding) {
						self._keySliding = true;
						$(this).addClass("ui-state-active");
						self._start(event, index);
					}
					break;
			}

var curVal, newVal, step = self._step();
			if (self.options.values && self.options.values.length) {
				curVal = newVal = self.values(index);
			} else {
				curVal = newVal = self.value();
			}

switch (event.keyCode) {
				case $.ui.keyCode.HOME:
					newVal = self._valueMin();
					break;
				case $.ui.keyCode.END:
					newVal = self._valueMax();
					break;
				case $.ui.keyCode.UP:
				case $.ui.keyCode.RIGHT:
					if(curVal == self._valueMax()) return;
					newVal = curVal + step;
					break;
				case $.ui.keyCode.DOWN:
				case $.ui.keyCode.LEFT:
					if(curVal == self._valueMin()) return;
					newVal = curVal - step;
					break;
			}

self._slide(event, index, newVal);

return ret;

}).keyup(function(event) {

var index = $(this).data("index.ui-slider-handle");

if (self._keySliding) {
				self._stop(event, index);
				self._change(event, index);
				self._keySliding = false;
				$(this).removeClass("ui-state-active");
			}

});

this._refreshValue();

destroy: function() {

this.handles.remove();
		this.range.remove();

this.element
			.removeClass("ui-slider"
				+ " ui-slider-horizontal"
				+ " ui-slider-vertical"
				+ " ui-slider-disabled"
				+ " ui-widget"
				+ " ui-widget-content"
				+ " ui-corner-all")
			.removeData("slider")
			.unbind(".slider");

this._mouseDestroy();

_mouseCapture: function(event) {

var o = this.options;

if (o.disabled)
			return false;

this.elementSize = {
			width: this.element.outerWidth(),
			height: this.element.outerHeight()
		};
		this.elementOffset = this.element.offset();

var position = { x: event.pageX, y: event.pageY };
		var normValue = this._normValueFromMouse(position);

var distance = this._valueMax() - this._valueMin() + 1, closestHandle;
		var self = this, index;
		this.handles.each(function(i) {
			var thisDistance = Math.abs(normValue - self.values(i));
			if (distance > thisDistance) {
				distance = thisDistance;
				closestHandle = $(this);
				index = i;
			}
		});

// workaround for bug #3736 (if both handles of a range are at 0,
		// the first is always used as the one with least distance,
		// and moving it is obviously prevented by preventing negative ranges)
		if(o.range == true && this.values(1) == o.min) {
			closestHandle = $(this.handles[++index]);
		}

this._start(event, index);

self._handleIndex = index;

closestHandle
			.addClass("ui-state-active")
			.focus();
		
		var offset = closestHandle.offset();
		var mouseOverHandle = !$(event.target).parents().andSelf().is('.ui-slider-handle');
		this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
			left: event.pageX - offset.left - (closestHandle.width() / 2),
			top: event.pageY - offset.top
				- (closestHandle.height() / 2)
				- (parseInt(closestHandle.css('borderTopWidth'),10) || 0)
				- (parseInt(closestHandle.css('borderBottomWidth'),10) || 0)
				+ (parseInt(closestHandle.css('marginTop'),10) || 0)
		};

normValue = this._normValueFromMouse(position);
		this._slide(event, index, normValue);
		return true;

_mouseStart: function(event) {
		return true;
	},

_mouseDrag: function(event) {

var position = { x: event.pageX, y: event.pageY };
		var normValue = this._normValueFromMouse(position);
		
		this._slide(event, this._handleIndex, normValue);

return false;

_mouseStop: function(event) {

this.handles.removeClass("ui-state-active");
		this._stop(event, this._handleIndex);
		this._change(event, this._handleIndex);
		this._handleIndex = null;
		this._clickOffset = null;

return false;

},
	
	_detectOrientation: function() {
		this.orientation = this.options.orientation == 'vertical' ? 'vertical' : 'horizontal';
	},

_normValueFromMouse: function(position) {

var pixelTotal, pixelMouse;
		if ('horizontal' == this.orientation) {
			pixelTotal = this.elementSize.width;
			pixelMouse = position.x - this.elementOffset.left - (this._clickOffset ? this._clickOffset.left : 0);
		} else {
			pixelTotal = this.elementSize.height;
			pixelMouse = position.y - this.elementOffset.top - (this._clickOffset ? this._clickOffset.top : 0);
		}

var percentMouse = (pixelMouse / pixelTotal);
		if (percentMouse > 1) percentMouse = 1;
		if (percentMouse < 0) percentMouse = 0;
		if ('vertical' == this.orientation)
			percentMouse = 1 - percentMouse;

var valueTotal = this._valueMax() - this._valueMin(),
			valueMouse = percentMouse * valueTotal,
			valueMouseModStep = valueMouse % this.options.step,
			normValue = this._valueMin() + valueMouse - valueMouseModStep;

if (valueMouseModStep > (this.options.step / 2))
			normValue += this.options.step;

// Since JavaScript has problems with large floats, round
		// the final value to 5 digits after the decimal point (see #4124)
		return parseFloat(normValue.toFixed(5));

_start: function(event, index) {
		var uiHash = {
			handle: this.handles[index],
			value: this.value()
		};
		if (this.options.values && this.options.values.length) {
			uiHash.value = this.values(index);
			uiHash.values = this.values();
		}
		this._trigger("start", event, uiHash);
	},

_slide: function(event, index, newVal) {

var handle = this.handles[index];

if (this.options.values && this.options.values.length) {

var otherVal = this.values(index ? 0 : 1);

if ((this.options.values.length == 2 && this.options.range === true) && 
				((index == 0 && newVal > otherVal) || (index == 1 && newVal < otherVal))){
 				newVal = otherVal;
			}

if (newVal != this.values(index)) {
				var newValues = this.values();
				newValues[index] = newVal;
				// A slide can be canceled by returning false from the slide callback
				var allowed = this._trigger("slide", event, {
					handle: this.handles[index],
					value: newVal,
					values: newValues
				});
				var otherVal = this.values(index ? 0 : 1);
				if (allowed !== false) {
					this.values(index, newVal, ( event.type == 'mousedown' && this.options.animate ), true);
				}
			}

} else {

if (newVal != this.value()) {
				// A slide can be canceled by returning false from the slide callback
				var allowed = this._trigger("slide", event, {
					handle: this.handles[index],
					value: newVal
				});
				if (allowed !== false) {
					this._setData('value', newVal, ( event.type == 'mousedown' && this.options.animate ));
				}
					
			}

}

_stop: function(event, index) {
		var uiHash = {
			handle: this.handles[index],
			value: this.value()
		};
		if (this.options.values && this.options.values.length) {
			uiHash.value = this.values(index);
			uiHash.values = this.values();
		}
		this._trigger("stop", event, uiHash);
	},

_change: function(event, index) {
		var uiHash = {
			handle: this.handles[index],
			value: this.value()
		};
		if (this.options.values && this.options.values.length) {
			uiHash.value = this.values(index);
			uiHash.values = this.values();
		}
		this._trigger("change", event, uiHash);
	},

value: function(newValue) {

if (arguments.length) {
			this._setData("value", newValue);
			this._change(null, 0);
		}

return this._value();

values: function(index, newValue, animated, noPropagation) {

if (arguments.length > 1) {
			this.options.values[index] = newValue;
			this._refreshValue(animated);
			if(!noPropagation) this._change(null, index);
		}

if (arguments.length) {
			if (this.options.values && this.options.values.length) {
				return this._values(index);
			} else {
				return this.value();
			}
		} else {
			return this._values();
		}

_setData: function(key, value, animated) {

$.widget.prototype._setData.apply(this, arguments);

switch (key) {
			case 'disabled':
				if (value) {
					this.handles.filter(".ui-state-focus").blur();
					this.handles.removeClass("ui-state-hover");
					this.handles.attr("disabled", "disabled");
				} else {
					this.handles.removeAttr("disabled");
				}
			case 'orientation':

this._detectOrientation();
				
				this.element
					.removeClass("ui-slider-horizontal ui-slider-vertical")
					.addClass("ui-slider-" + this.orientation);
				this._refreshValue(animated);
				break;
			case 'value':
				this._refreshValue(animated);
				break;
		}

_step: function() {
		var step = this.options.step;
		return step;
	},

_value: function() {

var val = this.options.value;
		if (val < this._valueMin()) val = this._valueMin();
		if (val > this._valueMax()) val = this._valueMax();

return val;

_values: function(index) {

if (arguments.length) {
			var val = this.options.values[index];
			if (val < this._valueMin()) val = this._valueMin();
			if (val > this._valueMax()) val = this._valueMax();

return val;
		} else {
			return this.options.values;
		}

_valueMin: function() {
		var valueMin = this.options.min;
		return valueMin;
	},

_valueMax: function() {
		var valueMax = this.options.max;
		return valueMax;
	},

_refreshValue: function(animate) {

var oRange = this.options.range, o = this.options, self = this;

if (this.options.values && this.options.values.length) {
			var vp0, vp1;
			this.handles.each(function(i, j) {
				var valPercent = (self.values(i) - self._valueMin()) / (self._valueMax() - self._valueMin()) * 100;
				var _set = {}; _set[self.orientation == 'horizontal' ? 'left' : 'bottom'] = valPercent + '%';
				$(this).stop(1,1)[animate ? 'animate' : 'css'](_set, o.animate);
				if (self.options.range === true) {
					if (self.orientation == 'horizontal') {
						(i == 0) && self.range.stop(1,1)[animate ? 'animate' : 'css']({ left: valPercent + '%' }, o.animate);
						(i == 1) && self.range[animate ? 'animate' : 'css']({ width: (valPercent - lastValPercent) + '%' }, { queue: false, duration: o.animate });
					} else {
						(i == 0) && self.range.stop(1,1)[animate ? 'animate' : 'css']({ bottom: (valPercent) + '%' }, o.animate);
						(i == 1) && self.range[animate ? 'animate' : 'css']({ height: (valPercent - lastValPercent) + '%' }, { queue: false, duration: o.animate });
					}
				}
				lastValPercent = valPercent;
			});
		} else {
			var value = this.value(),
				valueMin = this._valueMin(),
				valueMax = this._valueMax(),
				valPercent = valueMax != valueMin
					? (value - valueMin) / (valueMax - valueMin) * 100
					: 0;
			var _set = {}; _set[self.orientation == 'horizontal' ? 'left' : 'bottom'] = valPercent + '%';
			this.handle.stop(1,1)[animate ? 'animate' : 'css'](_set, o.animate);

(oRange == "min") && (this.orientation == "horizontal") && this.range.stop(1,1)[animate ? 'animate' : 'css']({ width: valPercent + '%' }, o.animate);
			(oRange == "max") && (this.orientation == "horizontal") && this.range[animate ? 'animate' : 'css']({ width: (100 - valPercent) + '%' }, { queue: false, duration: o.animate });
			(oRange == "min") && (this.orientation == "vertical") && this.range.stop(1,1)[animate ? 'animate' : 'css']({ height: valPercent + '%' }, o.animate);
			(oRange == "max") && (this.orientation == "vertical") && this.range[animate ? 'animate' : 'css']({ height: (100 - valPercent) + '%' }, { queue: false, duration: o.animate });
		}

}
	
}));

$.extend($.ui.slider, {
	getter: "value values",
	version: "1.7.2",
	eventPrefix: "slide",
	defaults: {
		animate: false,
		delay: 0,
		distance: 0,
		max: 100,
		min: 0,
		orientation: 'horizontal',
		range: false,
		step: 1,
		value: 0,
		values: null
	}
});

})(jQuery);

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