mootools-1.2-more.js.svn-base

mooltools源码很不错的源码

		this.drag.detach();
		this.element.set('opacity', this.opacity);
		if (this.effect){
			var dim = this.element.getStyles('width', 'height');
			var pos = this.clone.computePosition(this.element.getPosition(this.clone.offsetParent));
			this.effect.element = this.clone;
			this.effect.start({
				top: pos.top,
				left: pos.left,
				width: dim.width,
				height: dim.height,
				opacity: 0.25
			}).chain(this.reset.bind(this));
		} else {
			this.reset();
		}
	},

	reset: function(){
		this.idle = true;
		this.clone.destroy();
		this.fireEvent('complete', this.element);
	},

	serialize: function(){
		var params = Array.link(arguments, {modifier: Function.type, index: $defined});
		var serial = this.lists.map(function(list){
			return list.getChildren().map(params.modifier || function(element){
				return element.get('id');
			}, this);
		}, this);
		
		var index = params.index;
		if (this.lists.length == 1) index = 0;
		return $chk(index) && index >= 0 && index < this.lists.length ? serial[index] : serial;
	}

});

/*
Script: Tips.js
	Class for creating nice tips that follow the mouse cursor when hovering an element.

License:
	MIT-style license.
*/

var Tips = new Class({

	Implements: [Events, Options],

	options: {
		onShow: function(tip){
			tip.setStyle('visibility', 'visible');
		},
		onHide: function(tip){
			tip.setStyle('visibility', 'hidden');
		},
		showDelay: 100,
		hideDelay: 100,
		className: null,
		offsets: {x: 16, y: 16},
		fixed: false
	},

	initialize: function(){
		var params = Array.link(arguments, {options: Object.type, elements: $defined});
		this.setOptions(params.options || null);
		
		this.tip = new Element('div').inject(document.body);
		
		if (this.options.className) this.tip.addClass(this.options.className);
		
		var top = new Element('div', {'class': 'tip-top'}).inject(this.tip);
		this.container = new Element('div', {'class': 'tip'}).inject(this.tip);
		var bottom = new Element('div', {'class': 'tip-bottom'}).inject(this.tip);

		this.tip.setStyles({position: 'absolute', top: 0, left: 0, visibility: 'hidden'});
		
		if (params.elements) this.attach(params.elements);
	},
	
	attach: function(elements){
		$$(elements).each(function(element){
			var title = element.retrieve('tip:title', element.get('title'));
			var text = element.retrieve('tip:text', element.get('rel') || element.get('href'));
			var enter = element.retrieve('tip:enter', this.elementEnter.bindWithEvent(this, element));
			var leave = element.retrieve('tip:leave', this.elementLeave.bindWithEvent(this, element));
			element.addEvents({mouseenter: enter, mouseleave: leave});
			if (!this.options.fixed){
				var move = element.retrieve('tip:move', this.elementMove.bindWithEvent(this, element));
				element.addEvent('mousemove', move);
			}
			element.store('tip:native', element.get('title'));
			element.erase('title');
		}, this);
		return this;
	},
	
	detach: function(elements){
		$$(elements).each(function(element){
			element.removeEvent('mouseenter', element.retrieve('tip:enter') || $empty);
			element.removeEvent('mouseleave', element.retrieve('tip:leave') || $empty);
			element.removeEvent('mousemove', element.retrieve('tip:move') || $empty);
			element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');
			var original = element.retrieve('tip:native');
			if (original) element.set('title', original);
		});
		return this;
	},
	
	elementEnter: function(event, element){
		
		$A(this.container.childNodes).each(Element.dispose);
		
		var title = element.retrieve('tip:title');
		
		if (title){
			this.titleElement = new Element('div', {'class': 'tip-title'}).inject(this.container);
			this.fill(this.titleElement, title);
		}
		
		var text = element.retrieve('tip:text');
		if (text){
			this.textElement = new Element('div', {'class': 'tip-text'}).inject(this.container);
			this.fill(this.textElement, text);
		}
		
		this.timer = $clear(this.timer);
		this.timer = this.show.delay(this.options.showDelay, this);

		this.position((!this.options.fixed) ? event : {page: element.getPosition()});
	},
	
	elementLeave: function(event){
		$clear(this.timer);
		this.timer = this.hide.delay(this.options.hideDelay, this);
	},
	
	elementMove: function(event){
		this.position(event);
	},
	
	position: function(event){
		var size = window.getSize(), scroll = window.getScroll();
		var tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight};
		var props = {x: 'left', y: 'top'};
		for (var z in props){
			var pos = event.page[z] + this.options.offsets[z];
			if ((pos + tip[z] - scroll[z]) > size[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];
			this.tip.setStyle(props[z], pos);
		}
	},
	
	fill: function(element, contents){
		(typeof contents == 'string') ? element.set('html', contents) : element.adopt(contents);
	},

	show: function(){
		this.fireEvent('show', this.tip);
	},

	hide: function(){
		this.fireEvent('hide', this.tip);
	}

});

/*
Script: SmoothScroll.js
	Class for creating a smooth scrolling effect to all internal links on the page.

License:
	MIT-style license.
*/

var SmoothScroll = new Class({

	Extends: Fx.Scroll,

	initialize: function(options, context){
		context = context || document;
		var doc = context.getDocument(), win = context.getWindow();
		this.parent(doc, options);
		this.links = (this.options.links) ? $$(this.options.links) : $$(doc.links);
		var location = win.location.href.match(/^[^#]*/)[0] + '#';
		this.links.each(function(link){
			if (link.href.indexOf(location) != 0) return;
			var anchor = link.href.substr(location.length);
			if (anchor && $(anchor)) this.useLink(link, anchor);
		}, this);
		if (!Browser.Engine.webkit419) this.addEvent('complete', function(){
			win.location.hash = this.anchor;
		}, true);
	},

	useLink: function(link, anchor){
		link.addEvent('click', function(event){
			this.anchor = anchor;
			this.toElement(anchor);
			event.stop();
		}.bind(this));
	}

});

/*
Script: Slider.js
	Class for creating horizontal and vertical slider controls.

License:
	MIT-style license.
*/

var Slider = new Class({

	Implements: [Events, Options],

	options: {/*
		onChange: $empty,
		onComplete: $empty,*/
		onTick: function(position){
			if(this.options.snap) position = this.toPosition(this.step);
			this.knob.setStyle(this.property, position);
		},
		snap: false,
		offset: 0,
		range: false,
		wheel: false,
		steps: 100,
		mode: 'horizontal'
	},

	initialize: function(element, knob, options){
		this.setOptions(options);
		this.element = $(element);
		this.knob = $(knob);
		this.previousChange = this.previousEnd = this.step = -1;
		this.element.addEvent('mousedown', this.clickedElement.bind(this));
		if (this.options.wheel) this.element.addEvent('mousewheel', this.scrolledElement.bindWithEvent(this));
		var offset, limit = {}, modifiers = {'x': false, 'y': false};
		switch (this.options.mode){
			case 'vertical':
				this.axis = 'y';
				this.property = 'top';
				offset = 'offsetHeight';
				break;
			case 'horizontal':
				this.axis = 'x';
				this.property = 'left';
				offset = 'offsetWidth';
		}
		this.half = this.knob[offset] / 2;
		this.full = this.element[offset] - this.knob[offset] + (this.options.offset * 2);
		this.min = $chk(this.options.range[0]) ? this.options.range[0] : 0;
		this.max = $chk(this.options.range[1]) ? this.options.range[1] : this.options.steps;
		this.range = this.max - this.min;
		this.steps = this.options.steps || this.full;
		this.stepSize = Math.abs(this.range) / this.steps;
		this.stepWidth = this.stepSize * this.full / Math.abs(this.range) ;
		
		this.knob.setStyle('position', 'relative').setStyle(this.property, - this.options.offset);
		modifiers[this.axis] = this.property;
		limit[this.axis] = [- this.options.offset, this.full - this.options.offset];
		this.drag = new Drag(this.knob, {
			snap: 0,
			limit: limit,
			modifiers: modifiers,
			onDrag: this.draggedKnob.bind(this),
			onStart: this.draggedKnob.bind(this),
			onComplete: function(){
				this.draggedKnob();
				this.end();
			}.bind(this)
		});
		if (this.options.snap) {
			this.drag.options.grid = Math.ceil(this.stepWidth);
			this.drag.options.limit[this.axis][1] = this.full;
		}
	},

	set: function(step){
		if (!((this.range > 0) ^ (step < this.min))) step = this.min;
		if (!((this.range > 0) ^ (step > this.max))) step = this.max;
		
		this.step = Math.round(step);
		this.checkStep();
		this.end();
		this.fireEvent('tick', this.toPosition(this.step));
		return this;
	},

	clickedElement: function(event){
		var dir = this.range < 0 ? -1 : 1;
		var position = event.page[this.axis] - this.element.getPosition()[this.axis] - this.half;
		position = position.limit(-this.options.offset, this.full -this.options.offset);
		
		this.step = Math.round(this.min + dir * this.toStep(position));
		this.checkStep();
		this.end();
		this.fireEvent('tick', position);
	},
	
	scrolledElement: function(event){
		var mode = (this.options.mode == 'horizontal') ? (event.wheel < 0) : (event.wheel > 0);
		this.set(mode ? this.step - this.stepSize : this.step + this.stepSize);
		event.stop();
	},

	draggedKnob: function(){
		var dir = this.range < 0 ? -1 : 1;
		var position = this.drag.value.now[this.axis];
		position = position.limit(-this.options.offset, this.full -this.options.offset);
		this.step = Math.round(this.min + dir * this.toStep(position));
		this.checkStep();
	},

	checkStep: function(){
		if (this.previousChange != this.step){
			this.previousChange = this.step;
			this.fireEvent('change', this.step);
		}
	},

	end: function(){
		if (this.previousEnd !== this.step){
			this.previousEnd = this.step;
			this.fireEvent('complete', this.step + '');
		}
	},

	toStep: function(position){
		var step = (position + this.options.offset) * this.stepSize / this.full * this.steps;
		return this.options.steps ? Math.round(step -= step % this.stepSize) : step;
	},

	toPosition: function(step){
		return (this.full * Math.abs(this.min - step)) / (this.steps * this.stepSize) - this.options.offset;
	}

});

/*
Script: Scroller.js
	Class which scrolls the contents of any Element (including the window) when the mouse reaches the Element's boundaries.

License:
	MIT-style license.
*/

var Scroller = new Class({

	Implements: [Events, Options],

	options: {
		area: 20,
		velocity: 1,
		onChange: function(x, y){
			this.element.scrollTo(x, y);
		}
	},

	initialize: function(element, options){
		this.setOptions(options);
		this.element = $(element);
		this.listener = ($type(this.element) != 'element') ? $(this.element.getDocument().body) : this.element;
		this.timer = null;
		this.coord = this.getCoords.bind(this);
	},

	start: function(){
		this.listener.addEvent('mousemove', this.coord);
	},

	stop: function(){
		this.listener.removeEvent('mousemove', this.coord);
		this.timer = $clear(this.timer);
	},

	getCoords: function(event){
		this.page = (this.listener.get('tag') == 'body') ? event.client : event.page;
		if (!this.timer) this.timer = this.scroll.periodical(50, this);
	},

	scroll: function(){
		var size = this.element.getSize(), scroll = this.element.getScroll(), pos = this.element.getPosition(), change = {'x': 0, 'y': 0};
		for (var z in this.page){
			if (this.page[z] < (this.options.area + pos[z]) && scroll[z] != 0)
				change[z] = (this.page[z] - this.options.area - pos[z]) * this.options.velocity;
			else if (this.page[z] + this.options.area > (size[z] + pos[z]) && size[z] + size[z] != scroll[z])
				change[z] = (this.page[z] - size[z] + this.options.area - pos[z]) * this.options.velocity;
		}
		if (change.y || change.x) this.fireEvent('change', [scroll.x + change.x, scroll.y + change.y]);
	}

});

/*
Script: Accordion.js
	An Fx.Elements extension which allows you to easily create accordion type controls.

License:
	MIT-style license.
*/

var Accordion = new Class({

	Extends: Fx.Elements,

	options: {/*
		onActive: $empty,
		onBackground: $empty,*/
		display: 0,
		show: false,
		height: true,
		width: false,
		opacity: true,
		fixedHeight: false,
		fixedWidth: false,
		wait: false,
		alwaysHide: false
	},

	initialize: function(){
		var params = Array.link(arguments, {'container': Element.type, 'options': Object.type, 'togglers': $defined, 'elements': $defined});
		this.parent(params.elements, params.options);
		this.togglers = $$(params.togglers);
		this.container = $(params.container);
		this.previous = -1;
		if (this.options.alwaysHide) this.options.wait = true;
		if ($chk(this.options.show)){
			this.options.display = false;
			this.previous = this.options.show;
		}
		if (this.options.start){
			this.options.display = false;
			this.options.show = false;
		}
		this.effects = {};
		if (this.options.opacity) this.effects.opacity = 'fullOpacity';
		if (this.options.width) this.effects.width = this.options.fixedWidth ? 'fullWidth' : 'offsetWidth';
		if (this.options.height) this.effects.height = this.options.fixedHeight ? 'fullHeight' : 'scrollHeight';
		for (var i = 0, l = this.togglers.length; i < l; i++) this.addSection(this.togglers[i], this.elements[i]);
		this.elements.each(function(el, i){
			if (this.options.show === i){
				this.fireEvent('active', [this.togglers[i], el]);
			} else {
				for (var fx in this.effects) el.setStyle(fx, 0);
			}
		}, this);
		if ($chk(this.options.display)) this.display(this.options.display);
	},

	addSection: function(toggler, element, pos){
		toggler = $(toggler);
		element = $(element);
		var test = this.togglers.contains(toggler);
		var len = this.togglers.length;
		this.togglers.include(toggler);
		this.elements.include(element);
		if (len && (!test || pos)){
			pos = $pick(pos, len - 1);
			toggler.inject(this.togglers[pos], 'before');
			element.inject(toggler, 'after');
		} else if (this.container && !test){
			toggler.inject(this.container);
			element.inject(this.container);
		}
		var idx = this.togglers.indexOf(toggler);
		toggler.addEvent('click', this.display.bind(this, idx));
		if (this.options.height) element.setStyles({'padding-top': 0, 'border-top': 'none', 'padding-bottom': 0, 'border-bottom': 'none'});
		if (this.options.width) element.setStyles({'padding-left': 0, 'border-left': 'none', 'padding-right': 0, 'border-right': 'none'});
		element.fullOpacity = 1;
		if (this.options.fixedWidth) element.fullWidth = this.options.fixedWidth;
		if (this.options.fixedHeight) element.fullHeight = this.options.fixedHeight;
		element.setStyle('overflow', 'hidden');
		if (!test){
			for (var fx in this.effects) element.setStyle(fx, 0);
		}
		return this;
	},

	display: function(index){
		index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;
		if ((this.timer && this.options.wait) || (index === this.previous && !this.options.alwaysHide)) return this;
		this.previous = index;
		var obj = {};
		this.elements.each(function(el, i){
			obj[i] = {};
			var hide = (i != index) || (this.options.alwaysHide && (el.offsetHeight > 0));
			this.fireEvent(hide ? 'background' : 'active', [this.togglers[i], el]);
			for (var fx in this.effects) obj[i][fx] = hide ? 0 : el[this.effects[fx]];
		}, this);
		return this.start(obj);
	}

});