slide.js

支持多文件文件上传,界面美观,有进度条,可以直接加入项目

			p.min = p.scroll + p.marginMin;
			hasMovedMin = true;		
		}
	
		
		if (p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;			
		}
		
		// calculate right/newWidth
		if (p.min + p.span > p.scroll + p.clientSpan - p.marginMax) {
			if (hasMovedMin && allowReduce) {
				
				p.span = p.clientSpan - p.marginMin - p.marginMax; // can't expand more
				
			} else if (p.span < p.clientSpan - p.marginMin - p.marginMax) { // move newTop up
				p.min = p.scroll + p.clientSpan - p.span - p.marginMin - p.marginMax;
			} else { // image larger than client
				p.min = p.scroll + p.marginMin;
				
				if (allowReduce) p.span = p.clientSpan - p.marginMin - p.marginMax;
				
			}
			
		}
		
		if (p.span < p.minSpan) {
			p.span = p.minSpan;
			allowReduce = false;
		}
		
	
		
	if (p.min < p.marginMin) {
		tmpMin = p.min;
		p.min = p.marginMin; 
		
		if (allowReduce) p.span = p.span - (p.min - tmpMin);
		
	}
	return p;
},

correctRatio : function(ratio) {
	var x = this.x;
	var y = this.y;
	var changed = false;
	if (x.span / y.span > ratio) { // width greater
		var tmpWidth = x.span;
		x.span = y.span * ratio;
		if (x.span < x.minSpan) { // below minWidth
			if (hs.padToMinWidth) x.imgSpan = x.span;			
			x.span = x.minSpan;
			if (!x.imgSpan)
			y.span = x.span / ratio;
		}
		changed = true;
	
	} else if (x.span / y.span < ratio) { // height greater
		var tmpHeight = y.span;
		y.span = x.span / ratio;
		changed = true;
	}
	
	if (changed) {
		x.min = parseInt(this.thumbLeft) - this.offsetBorderW + this.thumbOffsetBorderW;
		x.minSpan = x.span;
		this.x = this.justify(x);
		
		y.min = parseInt(this.thumbTop) - this.offsetBorderH + this.thumbOffsetBorderH;
		y.minSpan = y.span;
		this.y = this.justify(y);
	}
},

show : function () {
	
	// Selectbox bug
	var imgPos = {x: this.x.min - 20, y: this.y.min - 20, w: this.x.span + 40, 
		h: this.y.span + 40
		 + this.spaceForCaption};
	hs.hideSelects = (hs.ie && hs.ieVersion() < 7);
	if (hs.hideSelects) this.showHideElements('SELECT', 'hidden', imgPos);
	// Iframes bug
	hs.hideIframes = ((window.opera && navigator.appVersion < 9) || navigator.vendor == 'KDE' 
		|| (hs.ie && hs.ieVersion() < 5.5));
	if (hs.hideIframes) this.showHideElements('IFRAME', 'hidden', imgPos);
	// Scrollbars bug
	if (hs.geckoMac) this.showHideElements('*', 'hidden', imgPos); 
	
	
	if (this.x.imgSpan) this.content.style.margin = '0 auto';
	
	// Apply size change		
	this.changeSize(
		1,
		{ 
			x: this.thumbLeft + this.thumbOffsetBorderW - this.offsetBorderW,
			y: this.thumbTop + this.thumbOffsetBorderH - this.offsetBorderH,
			w: this.thumbWidth,
			h: this.thumbHeight,
			imgW: this.thumbWidth,
			o: hs.outlineStartOffset
		},
		{
			x: this.x.min,
			y: this.y.min,
			w: this.x.span,
			h: this.y.span,
			imgW: this.x.imgSpan,
			o: this.objOutline ? this.objOutline.offset : 0
		},
		hs.expandDuration,
		hs.expandSteps
	);
},

changeSize : function(up, from, to, dur, steps) {
	
	if (up && this.objOutline && !this.outlineWhileAnimating) 
		this.objOutline.setPosition(this, this.x.min, this.y.min, this.x.span, this.y.span);
	
	else if (!up && this.objOutline) {
		if (this.outlineWhileAnimating) this.objOutline.setPosition(this, from.x, from.y, from.w, from.h);
		else this.objOutline.destroy(
			(this.isHtml && this.preserveContent));
	}	
			
	if (!up) { // remove children
		var n = this.wrapper.childNodes.length;
		for (var i = n - 1; i >= 0 ; i--) {
			var child = this.wrapper.childNodes[i];
			if (child != this.content) {
				hs.purge(child);
				this.wrapper.removeChild(child);
			}
		}
	}
		
	if (this.fadeInOut) {
		from.op = up ? 0 : 1;
		to.op = up;
	}
	var t,
	exp = this,
	easing = Math[this.easing] || Math.easeInQuad;
	if (!up) easing = Math[this.easingClose] || easing;
	
	for (var i = 1; i <= steps; i++) {
		t = Math.round(i * (dur / steps));
		
		(function(){
			var pI = i, size = {};
			
			for (var x in from) 
				size[x] = easing(t, from[x], to[x] - from[x], dur);
						
			setTimeout ( function() {
				if (up && pI == 1) {
					exp.content.style.visibility = 'visible';
					exp.a.className += ' highslide-active-anchor';
				}
				exp.setSize(size);
			}, t);				
		})();		
	}
	
	if (up) { 
			
		setTimeout(function() {
			if (exp.objOutline) exp.objOutline.table.style.visibility = "visible";
		}, t);
		setTimeout(function() {
			if (exp.caption) exp.writeCaption();
			exp.afterExpand();
		}, t + 50);
	}
	else setTimeout(function() { exp.afterClose(); }, t);
		
},

setSize : function (to) {
	try {
		if (this.isHtml) {
			hs.setStyles(this.content, { width: to.w +'px', height: to.h +'px' });
			hs.setStyles(this.mediumContent, { left: (this.x.min - to.x) +'px', 
				top: (this.y.min - to.y) +'px' });
			this.innerContent.style.visibility = 'visible';
		} else {
			this.wrapper.style.width = (to.w + 2*this.offsetBorderW) +'px';
			this.content.style.width =
				((to.imgW && !isNaN(to.imgW)) ? to.imgW : to.w) +'px';
			if (hs.safari) this.content.style.maxWidth = this.content.style.width;
			this.content.style.height = to.h +'px';
		}
		
		if (to.op) hs.setStyles(this.wrapper, { opacity: to.op });
				
		
		if (this.objOutline && this.outlineWhileAnimating) {
			var o = this.objOutline.offset - to.o;
			this.objOutline.setPosition(this, to.x + o, to.y + o, to.w - 2 * o, to.h - 2 * o, 1);
		}
				
		hs.setStyles ( this.wrapper,
			{
				'visibility': 'visible',
				'left': to.x +'px',
				'top': to.y +'px'
			}
		);
		
	} catch (e) { window.location.href = hs.getSrc(this.a);	}
},

afterExpand : function() {
	this.isExpanded = true;	
	this.focus();
	
	if (this.isHtml && this.objectLoadTime == 'after') this.writeExtendedContent();
	
	if (this.isHtml) {
		if (this.iframe) {
			try {
				var exp = this,
					doc = this.iframe.contentDocument || this.iframe.contentWindow.document;
				hs.addEventListener(doc, 'mousedown', function () {
					if (hs.focusKey != exp.key) exp.focus();
				});
			} catch(e) {}
			if (hs.ie && typeof this.isClosing != 'boolean') // first open 
				this.iframe.style.width = (this.objectWidth - 1) +'px'; // hasLayout
		}
	}
	
	this.createOverlays();
	if (hs.showCredits) this.writeCredits();
	if (this.isImage && this.fullExpandWidth > this.x.span) this.createFullExpand();
	if (!this.caption) this.prepareNextOutline();
},


prepareNextOutline : function() {
	var key = this.key;
	var outlineType = this.outlineType;
	new hs.Outline(outlineType, 
		function () { try { hs.expanders[key].preloadNext(); } catch (e) {} });
},


preloadNext : function() {
	var next = hs.getAdjacentAnchor(this.key, 1);	
	if (next.onclick.toString().match(/hs\.expand/)) 
		var img = hs.createElement('img', { src: hs.getSrc(next) });
},

cancelLoading : function() {	
	hs.expanders[this.key] = null;
	this.a.style.cursor = this.originalCursor;	
	if (this.loading) hs.loading.style.left = '-9999px';
},

writeCredits : function () {
	var credits = hs.createElement('a',
		{
			href: hs.creditsHref,
			className: 'highslide-credits',
			innerHTML: hs.creditsText,
			title: hs.creditsTitle
		}
	);
	this.createOverlay({ overlayId: credits, position: 'top left'});
},

getCaption : function() {
	if (!this.captionId && this.thumbsUserSetId)  
		this.captionId = 'caption-for-'+ this.thumbsUserSetId;
	if (this.captionId) this.caption = hs.getNode(this.captionId);
	if (!this.caption && !this.captionText && this.captionEval) try {
		this.captionText = eval(this.captionEval);
	} catch (e) {}
	if (!this.caption && this.captionText) this.caption = hs.createElement('div', 
			{ className: 'highslide-caption', innerHTML: this.captionText } );
	
	if (!this.caption) {
		var next = this.a.nextSibling;
		while (next && !hs.isHsAnchor(next)) {
			if (/highslide-caption/.test(next.className || null)) {
				this.caption = next.cloneNode(1);
				break;
			}
			next = next.nextSibling;
		}
	}
	if (this.caption) {
		this.marginBottom += this.spaceForCaption;		
	}
	
},

writeCaption : function() {
	try {
		hs.setStyles(this.wrapper, { width: this.wrapper.offsetWidth +'px', 
			height: this.wrapper.offsetHeight +'px' } );	
		hs.setStyles(this.caption, { visibility: 'hidden', marginTop: hs.safari ? 0 : '-'+ this.y.span +'px'});
		this.caption.className += ' highslide-display-block';
		
		var height, exp = this;
		if (hs.ie && (hs.ieVersion() < 6 || document.compatMode == 'BackCompat')) {
			height = this.caption.offsetHeight;
		} else {
			var temp = hs.createElement('div', {innerHTML: this.caption.innerHTML}, 
				null, null, true); // to get height
			this.caption.innerHTML = '';
			this.caption.appendChild(temp);	
			height = this.caption.childNodes[0].offsetHeight;
			this.caption.innerHTML = this.caption.childNodes[0].innerHTML;
		}
		hs.setStyles(this.caption, { overflow: 'hidden', height: 0, zIndex: 2, marginTop: 0 });
		this.wrapper.style.height = 'auto';
		
		if (hs.captionSlideSpeed) {
			var step = (Math.round(height/50) || 1) * hs.captionSlideSpeed;
		} else {
			this.placeCaption(height, 1);
			return;
		}
		for (var h = height % step, t = 0; h <= height; h += step, t += 10) {
			(function(){
				var pH = h, end = (h == height) ? 1 : 0;
				setTimeout( function() {
					exp.placeCaption(pH, end);
				}, t);
			})();
		}
	} catch (e) {}	
},

placeCaption : function(height, end) {
	if (!this.caption) return;
	this.caption.style.height = height +'px';
	this.caption.style.visibility = 'visible';
	this.y.span = this.wrapper.offsetHeight - 2 * this.offsetBorderH;
	
	
	var o = this.objOutline;
	if (o) {
		o.td[4].style.height = (this.wrapper.offsetHeight - 2 * this.objOutline.offset) +'px';
		if (o.hasAlphaImageLoader) o.td[3].style.height = o.td[5].style.height = o.td[4].style.height;
	}
	if (end) this.prepareNextOutline();
},


showHideElements : function (tagName, visibility, imgPos) {
	var els = document.getElementsByTagName(tagName);
	var prop = tagName == '*' ? 'overflow' : 'visibility';
	for (var i = 0; i < els.length; i++) {
		if (prop == 'visibility' || (document.defaultView.getComputedStyle(
				els[i], "").getPropertyValue('overflow') == 'auto'
				|| els[i].getAttribute('hidden-by') != null)) {
			var hiddenBy = els[i].getAttribute('hidden-by');
			if (visibility == 'visible' && hiddenBy) {
				hiddenBy = hiddenBy.replace('['+ this.key +']', '');
				els[i].setAttribute('hidden-by', hiddenBy);
				if (!hiddenBy) els[i].style[prop] = els[i].origProp;
			} else if (visibility == 'hidden') { // hide if behind
				var elPos = hs.position(els[i]);
				elPos.w = els[i].offsetWidth;
				elPos.h = els[i].offsetHeight;
			
				
					var clearsX = (elPos.x + elPos.w < imgPos.x || elPos.x > imgPos.x + imgPos.w);
					var clearsY = (elPos.y + elPos.h < imgPos.y || elPos.y > imgPos.y + imgPos.h);
				var wrapperKey = hs.getWrapperKey(els[i]);
				if (!clearsX && !clearsY && wrapperKey != this.key) { // element falls behind image
					if (!hiddenBy) {
						els[i].setAttribute('hidden-by', '['+ this.key +']');
						els[i].origProp = els[i].style[prop];
						els[i].style[prop] = 'hidden';
					} else if (!hiddenBy.match('['+ this.key +']')) {
						els[i].setAttribute('hidden-by', hiddenBy + '['+ this.key +']');
					}
				} else if (hiddenBy == '['+ this.key +']' || hs.focusKey == wrapperKey) { // on move
					els[i].setAttribute('hidden-by', '');
					els[i].style[prop] = els[i].origProp || '';
				} else if (hiddenBy && hiddenBy.match('['+ this.key +']')) {
					els[i].setAttribute('hidden-by', hiddenBy.replace('['+ this.key +']', ''));
				}
						
			}
		}
	}
},

focus : function() {
	this.wrapper.style.zIndex = hs.zIndexCounter++;
	// blur others
	for (var i = 0; i < hs.expanders.length; i++) {
		if (hs.expanders[i] && i == hs.focusKey) {
			var blurExp = hs.expanders[i];
			blurExp.content.className += ' highslide-'+ blurExp.contentType +'-blur';
			
			if (blurExp.caption) {
				blurExp.caption.className += ' highslide-caption-blur';
			}
			
			if (blurExp.isImage) {