wz_tooltip.js

java版源代码,里面包含很多源代码,大家可以看看.

{
	return(
		tt_n4? (document.layers[t_id] || null)
		: tt_ie? (document.all[t_id] || null)
		: (document.getElementById(t_id) || null)
	);
}
function tt_GetDivW()
{
	return tt_Int(
		tt_n4? tt_obj.clip.width
		: (tt_obj.style.pixelWidth || tt_obj.offsetWidth)
	);
}
function tt_GetDivH()
{
	return tt_Int(
		tt_n4? tt_obj.clip.height
		: (tt_obj.style.pixelHeight || tt_obj.offsetHeight)
	);
}

// Compat with DragDrop Lib: Ensure that z-index of tooltip is lifted beyond toplevel dragdrop element
function tt_SetDivZ()
{
	var t_i = tt_obj.style || tt_obj;
	if(window.dd && dd.z)
		t_i.zIndex = Math.max(dd.z+1, t_i.zIndex);
}
function tt_SetDivPos(t_x, t_y)
{
	var t_i = tt_obj.style || tt_obj;
	var t_px = (tt_op6 || tt_n4)? '' : 'px';
	t_i.left = (tt_objX = t_x) + t_px;
	t_i.top = (tt_objY = t_y) + t_px;
	if(tt_ifrm)
	{
		tt_ifrm.style.left = t_i.left;
		tt_ifrm.style.top = t_i.top;
	}
}
function tt_ShowDiv(t_x)
{
	if(tt_n4) tt_obj.visibility = t_x? 'show' : 'hide';
	else tt_obj.style.visibility = t_x? 'visible' : 'hidden';
	tt_act = t_x;
	tt_ShowIfrm(t_x);
}
function tt_OpDeHref(t_e)
{
		var t_tag;
	if(t_e)
		{
				t_tag = t_e.target;
				while(t_tag)
				{
						if(t_tag.hasAttribute("href"))
					{
						tt_tag = t_tag
						tt_tag.t_href = tt_tag.getAttribute("href");
						tt_tag.removeAttribute("href");
						tt_tag.style.cursor = "hand";
						tt_tag.onmousedown = tt_OpReHref;
						tt_tag.stats = window.status;
						window.status = tt_tag.t_href;
						break;
					}
					t_tag = t_tag.parentElement;
				}
		}
}
function tt_OpReHref()
{
	if(tt_tag)
	{
		tt_tag.setAttribute("href", tt_tag.t_href);
		window.status = tt_tag.stats;
		tt_tag = null;
	}
}
function tt_Show(t_e, t_id, t_sup, t_delay, t_fix, t_left, t_offx, t_offy, t_static, t_sticky, t_temp)
{
	if(tt_obj) tt_Hide();
	tt_mf = document.onmousemove || null;
	if(window.dd && (window.DRAG && tt_mf == DRAG || window.RESIZE && tt_mf == RESIZE)) return;
	var t_uf = document.onmouseup || null, t_sh, t_h;
	if(tt_mf && t_uf) t_uf(t_e);

	tt_obj = tt_GetDiv(t_id);
	if(tt_obj)
	{
		t_e = t_e || window.event;
		tt_sub = !(tt_sup = t_sup);
		tt_sticky = t_sticky;
		tt_objW = tt_GetDivW();
		tt_objH = tt_GetDivH();
		tt_offX = t_left? -(tt_objW+t_offx) : t_offx;
		tt_offY = t_offy;
		if(tt_op7) tt_OpDeHref(t_e);
		if(tt_n4)
		{
			if(tt_obj.document.layers.length)
			{
				t_sh = tt_obj.document.layers[0];
				t_sh.clip.height = tt_objH - Math.round(t_sh.clip.width*1.3);
			}
		}
		else
		{
			t_sh = tt_GetDiv(t_id+'R');
			if(t_sh)
			{
				t_h = tt_objH - tt_Int(t_sh.style.pixelTop || t_sh.style.top || 0);
				if(typeof t_sh.style.pixelHeight != tt_u) t_sh.style.pixelHeight = t_h;
				else t_sh.style.height = t_h+'px';
			}
		}

		xlim = tt_Int((tt_db && tt_db.clientWidth)? tt_db.clientWidth : window.innerWidth) +
			tt_Int(window.pageXOffset || (tt_db? tt_db.scrollLeft : 0) || 0) -
			tt_objW -
			(tt_n4? 21 : 0);
		ylim = tt_Int(window.innerHeight || tt_db.clientHeight) +
			tt_Int(window.pageYOffset || (tt_db? tt_db.scrollTop : 0) || 0) -
			tt_objH - tt_offY;

		tt_SetDivZ();
		if(t_fix) tt_SetDivPos(tt_Int((t_fix = t_fix.split(','))[0]), tt_Int(t_fix[1]));
		else tt_SetDivPos(tt_EvX(t_e), tt_EvY(t_e));

		var t_txt = 'tt_ShowDiv(\'true\');';
		if(t_sticky) t_txt += '{'+
				'tt_ReleasMov();'+
				'window.tt_upFunc = document.onmouseup || null;'+
				'if(document.captureEvents) document.captureEvents(Event.MOUSEUP);'+
				'document.onmouseup = new Function("window.setTimeout(\'tt_Hide();\', 10);");'+
			'}';
		else if(t_static) t_txt += 'tt_ReleasMov();';
		if(t_temp > 0) t_txt += 'window.tt_rtm = window.setTimeout(\'tt_sticky = false; tt_Hide();\','+t_temp+');';
		window.tt_rdl = window.setTimeout(t_txt, t_delay);

		if(!t_fix)
		{
			if(document.captureEvents) document.captureEvents(Event.MOUSEMOVE);
			document.onmousemove = tt_Move;
		}
	}
}
var tt_area = false;
function tt_Move(t_ev)
{
	if(!tt_obj) return;
	if(tt_n6 || tt_w3c)
	{
		if(tt_wait) return;
		tt_wait = true;
		setTimeout('tt_wait = false;', 5);
	}
	var t_e = t_ev || window.event;
	tt_SetDivPos(tt_EvX(t_e), tt_EvY(t_e));
	if(tt_op6)
	{
		if(tt_area && t_e.target.tagName != 'AREA') tt_Hide();
		else if(t_e.target.tagName == 'AREA') tt_area = true;
	}
}
function tt_Hide()
{
	if(window.tt_obj)
	{
		if(window.tt_rdl) window.clearTimeout(tt_rdl);
		if(!tt_sticky || !tt_act)
		{
			if(window.tt_rtm) window.clearTimeout(tt_rtm);
			tt_ShowDiv(false);
			tt_SetDivPos(-tt_objW, -tt_objH);
			tt_obj = null;
			if(typeof window.tt_upFunc != tt_u) document.onmouseup = window.tt_upFunc;
		}
		tt_sticky = false;
		if(tt_op6 && tt_area) tt_area = false;
		tt_ReleasMov();
		if(tt_op7) tt_OpReHref();
	}
}
function tt_Init()
{
	if(!(tt_op || tt_n4 || tt_n6 || tt_ie || tt_w3c)) return;

	var htm = tt_n4? '<div style="position:absolute;"><\/div>' : '',
	tags,
	t_tj,
	over,
	esc = 'return escape(';
	var i = tt_tags.length; while(i--)
	{
		tags = tt_ie? (document.all.tags(tt_tags[i]) || 1)
			: document.getElementsByTagName? (document.getElementsByTagName(tt_tags[i]) || 1)
			: (!tt_n4 && tt_tags[i]=="a")? document.links
			: 1;
		if(tt_n4 && (tt_tags[i] == "a" || tt_tags[i] == "layer")) tags = tt_N4Tags(tt_tags[i]);
		var j = tags.length; while(j--)
		{
			if(typeof (t_tj = tags[j]).onmouseover == "function" && t_tj.onmouseover.toString().indexOf(esc) != -1 && !tt_n6 || tt_n6 && (over = t_tj.getAttribute("onmouseover")) && over.indexOf(esc) != -1)
			{
				if(over) t_tj.onmouseover = new Function(over);
				var txt = unescape(t_tj.onmouseover());
				htm += tt_Htm(
					t_tj,
					"tOoLtIp"+i+""+j,
					txt.wzReplace("& ","&")
				);

				t_tj.onmouseover = new Function('e',
					'tt_Show(e,'+
					'"tOoLtIp' +i+''+j+ '",'+
					(typeof t_tj.T_ABOVE != tt_u)+','+
					((typeof t_tj.T_DELAY != tt_u)? t_tj.T_DELAY : ttDelay)+','+
					((typeof t_tj.T_FIX != tt_u)? '"'+t_tj.T_FIX+'"' : '""')+','+
					(typeof t_tj.T_LEFT != tt_u)+','+
					((typeof t_tj.T_OFFSETX != tt_u)? t_tj.T_OFFSETX : ttOffsetX)+','+
					((typeof t_tj.T_OFFSETY != tt_u)? t_tj.T_OFFSETY : ttOffsetY)+','+
					(typeof t_tj.T_STATIC != tt_u)+','+
					(typeof t_tj.T_STICKY != tt_u)+','+
					((typeof t_tj.T_TEMP != tt_u)? t_tj.T_TEMP : ttTemp)+
					');'
				);
				t_tj.onmouseout = tt_Hide;
				if(t_tj.alt) t_tj.alt = "";
				if(t_tj.title) t_tj.title = "";
			}
		}
	}
	document.write(htm);
}
tt_Init();