wz_tooltip.js

掌握学习.net开发的非常好的资料

				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);
}

function tt_EvX(t_e)
{
	var t_y = tt_Int(t_e.pageX || t_e.clientX || 0) +
		tt_Int(tt_ie? tt_db.scrollLeft : 0) +
		tt_offX;
	if (t_y > xlim) t_y = xlim;
	var t_scr = tt_Int(window.pageXOffset || (tt_db? tt_db.scrollLeft : 0) || 0);
	if (t_y < t_scr) t_y = t_scr;
	return t_y;
}

function tt_EvY(t_e)
{
	var t_y = tt_Int(t_e.pageY || t_e.clientY || 0) +
		tt_Int(tt_ie? tt_db.scrollTop : 0);
	if (tt_above) t_y -= (tt_objH + tt_offY - (tt_op? 31 : 15));
	else if (t_y > ylim || !tt_dwn && t_y > ylim-24)
	{
		t_y -= (tt_objH + 5);
		tt_dwn = false;
	}
	else
	{
		t_y += tt_offY;
		tt_dwn = true;
	}
	return t_y;
}

function tt_ReleasMov()
{
	if (document.onmousemove == tt_Move)
	{
		if (document.releaseEvents) document.releaseEvents(Event.MOUSEMOVE);
		document.onmousemove = null;
	}
}

function tt_HideInput()
{
	if (!(tt_ie || tt_op6) || !tt_inputs) return;
	var t_o;
	var t_i = tt_inputs.length; while (t_i--)
	{
		t_o = tt_inputs[t_i];
		if (tt_vis && tt_objX+tt_objW > t_o.x && tt_objX < t_o.x+t_o.offsetWidth && tt_objY+tt_objH > t_o.y && tt_objY < t_o.y+t_o.offsetHeight)
			t_o.style.visibility = 'hidden';
		else t_o.style.visibility = 'visible';
	}
}

function tt_GetDiv(t_id)
{
	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.style.pixelWidth
		: tt_obj.offsetWidth
	);
}

function tt_GetDivH()
{
	return tt_Int(
		tt_n4? tt_obj.clip.height
		: tt_obj.style.pixelHeight? 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;
	tt_HideInput();
}

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_vis = t_x;
	tt_HideInput();
}

function tt_Show(t_e, t_id, t_above, t_delay, t_fix, t_left, t_offx, t_offy, t_static, t_sticky, t_temp)
{
	if (tt_obj) tt_Hide();
	var t_mf = document.onmousemove || null;
	if (window.dd && (window.DRAG && t_mf == DRAG || window.RESIZE && t_mf == RESIZE)) return;
	var t_uf = document.onmouseup || null;
	if (t_mf && t_uf) t_uf(t_e);

	tt_obj = tt_GetDiv(t_id);
	if (tt_obj)
	{
		tt_dwn = !(tt_above = t_above);
		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_op) tt_offY += 21;
		if (tt_n4)
		{
			if (tt_obj.document.layers.length)
			{
				var t_sh = tt_obj.document.layers[0];
				t_sh.clip.height = tt_objH - Math.round(t_sh.clip.width*1.3);
			}
		}
		else
		{
			var t_sh = tt_GetDiv(t_id+'R');
			if (t_sh)
			{
				var 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';
			}
		}

		tt_GetSelects();

		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();
		t_e = t_e || window.event;
		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_sticky && !tt_vis)
		{
			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();
		tt_HideInput();
	}
}

tt_Init();