overlib.js

关于java web开发动态网页的资料

	theObj.visibility = 'hidden';
	theObj.top = theObj.left = ((olIe4&&!olOp) ? 0 : -10000) + (!olNs4 ? 'px' : 0);

	if (o3_timerid > 0) clearTimeout(o3_timerid);
	if (o3_delayid > 0) clearTimeout(o3_delayid);

	o3_timerid = 0;
	o3_delayid = 0;
	self.status = "";

	if (obj.onmouseout||obj.onmouseover) {
		if (olNs4) obj.releaseEvents(Event.MOUSEOUT || Event.MOUSEOVER);
		obj.onmouseout = obj.onmouseover = null;
	}

	runHook("hideObject", FAFTER);
}

// Move a layer
function repositionTo(obj, xL, yL) {
	var theObj=(olNs4 ? obj : obj.style);
	theObj.left = xL + (!olNs4 ? 'px' : 0);
	theObj.top = yL + (!olNs4 ? 'px' : 0);
}

// Check position of cursor relative to overDiv DIVision; mouseOut function
function cursorOff() {
	var left = parseInt(over.style.left);
	var top = parseInt(over.style.top);
	var right = left + (over.offsetWidth >= parseInt(o3_width) ? over.offsetWidth : parseInt(o3_width));
	var bottom = top + (over.offsetHeight >= o3_aboveheight ? over.offsetHeight : o3_aboveheight);

	if (o3_x < left || o3_x > right || o3_y < top || o3_y > bottom) return true;

	return false;
}


////////
// COMMAND FUNCTIONS
////////

// Calls callme or the default function.
function opt_FUNCTION(callme) {
	o3_text = (callme ? (typeof callme=='string' ? (/.+\(.*\)/.test(callme) ? eval(callme) : callme) : callme()) : (o3_function ? o3_function() : 'No Function'));

	return 0;
}

// Handle hovering
function opt_NOCLOSE(unused) {
	if (!unused) o3_close = "";

	if (olNs4) {
		over.captureEvents(Event.MOUSEOUT || Event.MOUSEOVER);
		over.onmouseover = function () { if (o3_timerid > 0) { clearTimeout(o3_timerid); o3_timerid = 0; } }
		over.onmouseout = function (e) { if (olHideDelay) hideDelay(olHideDelay); else cClick(e); }
	} else {
		over.onmouseover = function () {hoveringSwitch = true; if (o3_timerid > 0) { clearTimeout(o3_timerid); o3_timerid =0; } }
	}

	return 0;
}

// Function to scan command line arguments for multiples
function opt_MULTIPLEARGS(i, args, parameter) {
  var k=i, re, pV, str='';

  for(k=i; k<args.length; k++) {
		if(typeof args[k] == 'number' && args[k]>pmStart) break;
		str += args[k] + ',';
	}
	if (str) str = str.substring(0,--str.length);

	k--;  // reduce by one so the for loop this is in works correctly
	pV=(olNs4 && /cellpad/i.test(parameter)) ? str.split(',')[0] : str;
	eval(parameter + '="' + pV + '"');

	return k;
}

// Remove &nbsp; in texts when done.
function nbspCleanup() {
	if (o3_wrap) {
		o3_text = o3_text.replace(/\&nbsp;/g, ' ');
		o3_cap = o3_cap.replace(/\&nbsp;/g, ' ');
	}
}

// Escape embedded single quotes in text strings
function escSglQuote(str) {
  return str.toString().replace(/'/g,"\\'");
}

// Onload handler for window onload event
function OLonLoad_handler(e) {
	var re = /\w+\(.*\)[;\s]+/g, olre = /overlib\(|nd\(|cClick\(/, fn, l, i;

	if(!olLoaded) olLoaded=1;

  // Remove it for Gecko based browsers
	if(window.removeEventListener && e.eventPhase == 3) window.removeEventListener("load",OLonLoad_handler,false);
	else if(window.detachEvent) { // and for IE and Opera 4.x but execute calls to overlib, nd, or cClick()
		window.detachEvent("onload",OLonLoad_handler);
		var fN = document.body.getAttribute('onload');
		if (fN) {
			fN=fN.toString().match(re);
			if (fN && fN.length) {
				for (i=0; i<fN.length; i++) {
					if (/anonymous/.test(fN[i])) continue;
					while((l=fN[i].search(/\)[;\s]+/)) != -1) {
						fn=fN[i].substring(0,l+1);
						fN[i] = fN[i].substring(l+2);
						if (olre.test(fn)) eval(fn);
					}
				}
			}
		}
	}
}

// Wraps strings in Layer Generation Functions with the correct tags
//    endWrap true(if end tag) or false if start tag
//    fontSizeStr - font size string such as '1' or '10px'
//    whichString is being wrapped -- 'text', 'caption', or 'close'
function wrapStr(endWrap,fontSizeStr,whichString) {
	var fontStr, fontColor, isClose=((whichString=='close') ? 1 : 0), hasDims=/[%\-a-z]+$/.test(fontSizeStr);
	fontSizeStr = (olNs4) ? (!hasDims ? fontSizeStr : '1') : fontSizeStr;
	if (endWrap) return (hasDims&&!olNs4) ? (isClose ? '</span>' : '</div>') : '</font>';
	else {
		fontStr='o3_'+whichString+'font';
		fontColor='o3_'+((whichString=='caption')? 'cap' : whichString)+'color';
		return (hasDims&&!olNs4) ? (isClose ? '<span style="font-family: '+quoteMultiNameFonts(eval(fontStr))+'; color: '+eval(fontColor)+'; font-size: '+fontSizeStr+';">' : '<div style="font-family: '+quoteMultiNameFonts(eval(fontStr))+'; color: '+eval(fontColor)+'; font-size: '+fontSizeStr+';">') : '<font face="'+eval(fontStr)+'" color="'+eval(fontColor)+'" size="'+(parseInt(fontSizeStr)>7 ? '7' : fontSizeStr)+'">';
	}
}

// Quotes Multi word font names; needed for CSS Standards adherence in font-family
function quoteMultiNameFonts(theFont) {
	var v, pM=theFont.split(',');
	for (var i=0; i<pM.length; i++) {
		v=pM[i];
		v=v.replace(/^\s+/,'').replace(/\s+$/,'');
		if(/\s/.test(v) && !/['"]/.test(v)) {
			v="\'"+v+"\'";
			pM[i]=v;
		}
	}
	return pM.join();
}

// dummy function which will be overridden 
function isExclusive(args) {
	return false;
}

// Sets cellpadding style string value
function setCellPadStr(parameter) {
	var Str='', j=0, ary = new Array(), top, bottom, left, right;

	Str+='padding: ';
	ary=parameter.replace(/\s+/g,'').split(',');

	switch(ary.length) {
		case 2:
			top=bottom=ary[j];
			left=right=ary[++j];
			break;
		case 3:
			top=ary[j];
			left=right=ary[++j];
			bottom=ary[++j];
			break;
		case 4:
			top=ary[j];
			right=ary[++j];
			bottom=ary[++j];
			left=ary[++j];
			break;
	}

	Str+= ((ary.length==1) ? ary[0] + 'px;' : top + 'px ' + right + 'px ' + bottom + 'px ' + left + 'px;');

	return Str;
}

// function will delay close by time milliseconds
function hideDelay(time) {
	if (time&&!o3_delay) {
		if (o3_timerid > 0) clearTimeout(o3_timerid);

		o3_timerid=setTimeout("cClick()",(o3_timeout=time));
	}
}

// Was originally in the placeLayer() routine; separated out for future ease
function horizontalPlacement(browserWidth, horizontalScrollAmount, widthFix) {
	var placeX, iwidth=browserWidth, winoffset=horizontalScrollAmount;
	var parsedWidth = parseInt(o3_width);

	if (o3_fixx > -1 || o3_relx != null) {
		// Fixed position
		placeX=(o3_relx != null ? ( o3_relx < 0 ? winoffset +o3_relx+ iwidth - parsedWidth - widthFix : winoffset+o3_relx) : o3_fixx);
	} else {  
		// If HAUTO, decide what to use.
		if (o3_hauto == 1) {
			if ((o3_x - winoffset) > (iwidth / 2)) {
				o3_hpos = LEFT;
			} else {
				o3_hpos = RIGHT;
			}
		}  		

		// From mouse
		if (o3_hpos == CENTER) { // Center
			placeX = o3_x+o3_offsetx-(parsedWidth/2);

			if (placeX < winoffset) placeX = winoffset;
		}

		if (o3_hpos == RIGHT) { // Right
			placeX = o3_x+o3_offsetx;

			if ((placeX+parsedWidth) > (winoffset+iwidth - widthFix)) {
				placeX = iwidth+winoffset - parsedWidth - widthFix;
				if (placeX < 0) placeX = 0;
			}
		}
		if (o3_hpos == LEFT) { // Left
			placeX = o3_x-o3_offsetx-parsedWidth;
			if (placeX < winoffset) placeX = winoffset;
		}  	

		// Snapping!
		if (o3_snapx > 1) {
			var snapping = placeX % o3_snapx;

			if (o3_hpos == LEFT) {
				placeX = placeX - (o3_snapx+snapping);
			} else {
				// CENTER and RIGHT
				placeX = placeX+(o3_snapx - snapping);
			}

			if (placeX < winoffset) placeX = winoffset;
		}
	}	

	return placeX;
}

// was originally in the placeLayer() routine; separated out for future ease
function verticalPlacement(browserHeight,verticalScrollAmount) {
	var placeY, iheight=browserHeight, scrolloffset=verticalScrollAmount;
	var parsedHeight=(o3_aboveheight ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight));

	if (o3_fixy > -1 || o3_rely != null) {
		// Fixed position
		placeY=(o3_rely != null ? (o3_rely < 0 ? scrolloffset+o3_rely+iheight - parsedHeight : scrolloffset+o3_rely) : o3_fixy);
	} else {
		// If VAUTO, decide what to use.
		if (o3_vauto == 1) {
			if ((o3_y - scrolloffset) > (iheight / 2) && o3_vpos == BELOW && (o3_y + parsedHeight + o3_offsety - (scrolloffset + iheight) > 0)) {
				o3_vpos = ABOVE;
			} else if (o3_vpos == ABOVE && (o3_y - (parsedHeight + o3_offsety) - scrolloffset < 0)) {
				o3_vpos = BELOW;
			}
		}

		// From mouse
		if (o3_vpos == ABOVE) {
			if (o3_aboveheight == 0) o3_aboveheight = parsedHeight; 

			placeY = o3_y - (o3_aboveheight+o3_offsety);
			if (placeY < scrolloffset) placeY = scrolloffset;
		} else {
			// BELOW
			placeY = o3_y+o3_offsety;
		} 

		// Snapping!
		if (o3_snapy > 1) {
			var snapping = placeY % o3_snapy;  			

			if (o3_aboveheight > 0 && o3_vpos == ABOVE) {
				placeY = placeY - (o3_snapy+snapping);
			} else {
				placeY = placeY+(o3_snapy - snapping);
			} 			

			if (placeY < scrolloffset) placeY = scrolloffset;
		}
	}

	return placeY;
}

// checks positioning flags
function checkPositionFlags() {
	if (olHautoFlag) olHautoFlag = o3_hauto=0;
	if (olVautoFlag) olVautoFlag = o3_vauto=0;
	return true;
}

// get Browser window width
function windowWidth() {
	var w;
	if (o3_frame.innerWidth) w=o3_frame.innerWidth;
	else if (eval('o3_frame.'+docRoot)&&eval("typeof o3_frame."+docRoot+".clientWidth=='number'")&&eval('o3_frame.'+docRoot+'.clientWidth')) 
		w=eval('o3_frame.'+docRoot+'.clientWidth');
	return w;			
}

// create the div container for popup content if it doesn't exist
function createDivContainer(id,frm,zValue) {
	id = (id || 'overDiv'), frm = (frm || o3_frame), zValue = (zValue || 1000);
	var objRef, divContainer = layerReference(id);

	if (divContainer == null) {
		if (olNs4) {
			divContainer = frm.document.layers[id] = new Layer(window.innerWidth, frm);
			objRef = divContainer;
		} else {
			var body = (olIe4 ? frm.document.all.tags('BODY')[0] : frm.document.getElementsByTagName("BODY")[0]);
			if (olIe4&&!document.getElementById) {
				body.insertAdjacentHTML("beforeEnd",'<div id="'+id+'"></div>');
				divContainer=layerReference(id);
			} else {
				divContainer = frm.document.createElement("DIV");
				divContainer.id = id;
				body.appendChild(divContainer);
			}
			objRef = divContainer.style;
		}

		objRef.position = 'absolute';
		objRef.visibility = 'hidden';
		objRef.zIndex = zValue;
		if (olIe4&&!olOp) objRef.left = objRef.top = '0px';
		else objRef.left = objRef.top =  -10000 + (!olNs4 ? 'px' : 0);
	}

	return divContainer;
}

// get reference to a layer with ID=id
function layerReference(id) {
	return (olNs4 ? o3_frame.document.layers[id] : (document.all ? o3_frame.document.all[id] : o3_frame.document.getElementById(id)));
}
////////
//  UTILITY FUNCTIONS
////////

// Checks if something is a function.
function isFunction(fnRef) {
	var rtn = true;

	if (typeof fnRef == 'object') {
		for (var i = 0; i < fnRef.length; i++) {
			if (typeof fnRef[i]=='function') continue;
			rtn = false;
			break;
		}
	} else if (typeof fnRef != 'function') {
		rtn = false;
	}
	
	return rtn;
}

// Converts an array into an argument string for use in eval.
function argToString(array, strtInd, argName) {
	var jS = strtInd, aS = '', ar = array;
	argName=(argName ? argName : 'ar');
	
	if (ar.length > jS) {
		for (var k = jS; k < ar.length; k++) aS += argName+'['+k+'], ';
		aS = aS.substring(0, aS.length-2);
	}
	
	return aS;
}

// Places a hook in the correct position in a hook point.
function reOrder(hookPt, fnRef, order) {
	var newPt = new Array(), match, i, j;

	if (!order || typeof order == 'undefined' || typeof order == 'number') return hookPt;
	
	if (typeof order=='function') {
		if (typeof fnRef=='object') {
			newPt = newPt.concat(fnRef);
		} else {
			newPt[newPt.length++]=fnRef;
		}
		
		for (i = 0; i < hookPt.length; i++) {
			match = false;
			if (typeof fnRef == 'function' && hookPt[i] == fnRef) {
				continue;
			} else {
				for(j = 0; j < fnRef.length; j++) if (hookPt[i] == fnRef[j]) {
					match = true;
					break;