source: trunk/phpgwapi/js/wz_tooltip/wz_tooltip.js @ 2

/* This notice must be untouched at all times.

wz_tooltip.js    v. 3.25

The latest version is available at
http://www.walterzorn.com
or http://www.devira.com
or http://www.walterzorn.de

Copyright (c) 2002-2003 Walter Zorn. All rights reserved.
Created 1. 12. 2002 by Walter Zorn (Web: http://www.walterzorn.com )
Last modified: 21. 4. 2004

Cross-browser tooltips working even in Opera 5 and 6,
as well as in NN 4, Gecko-Browsers, IE4+, Opera 7 and Konqueror.
No onmouseouts required.
Appearance of tooltips can be individually configured
via commands within the onmouseovers.

This program is free software;
you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation;
either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License
at http://www.gnu.org/copyleft/gpl.html for more details.
*/



////////////////  GLOBAL TOOPTIP CONFIGURATION  /////////////////////
var ttBgColor      = 'lightyellow';
var ttBgImg        = '';           // path to background image;
var ttBorderColor  = '#606060';
var ttBorderWidth  = 1;
var ttDelay        = 500;          // time span until tooltip shows up [milliseconds]
var ttFontColor    = '#000000';
var ttFontFace     = 'arial,helvetica,sans-serif';
var ttFontSize     = '11px';
var ttFontWeight   = 'normal';     // alternative is 'bold';
var ttOffsetX      = 8;            // horizontal offset of left-top corner from mousepointer
var ttOffsetY      = 19;           // vertical offset                   "
var ttPadding      = 3;            // spacing between border and content
var ttShadowColor  = '';
var ttShadowWidth  = 0;
var ttTitleColor   = '#ffffff';    // color of caption text
var ttWidth        = 'auto';
////////////////////  END OF TOOLTIP CONFIG  ////////////////////////



//////////////  TAGS WITH TOOLTIP FUNCTIONALITY  ////////////////////
// List may be extended or shortened:
var tt_tags = new Array('a','area','b','big','caption','center','code','dd','div','dl','dt','em','h1','h2','h3','h4','h5','h6','i','img','input','li','map','ol','p','pre','s','small','span','strike','strong','sub','sup','table','td','th','tr','tt','u','var','ul','layer');
/////////////////////////////////////////////////////////////////////



///////// DON'T CHANGE ANYTHING BELOW THIS LINE /////////////////////
var tt_obj,                // current tooltip
tt_objW = 0, tt_objH = 0,  // width and height of tt_obj
tt_objX = 0, tt_objY = 0,
tt_offX = 0, tt_offY = 0,
xlim = 0, ylim = 0,        // right and bottom borders of visible client area
tt_above = false,          // true if T_ABOVE cmd
tt_static = false,         // tt_obj static?
tt_sticky = false,         // tt_obj sticky?
tt_wait = false,
tt_vis = false,            // tooltip visibility flag
tt_dwn = false,            // true while tooltip below mousepointer
tt_u = 'undefined',
tt_inputs = new Array();   // drop-down-boxes to be hidden in IE


var tt_db = (document.compatMode && document.compatMode != 'BackCompat')? document.documentElement : document.body? document.body : null,
tt_n = navigator.userAgent.toLowerCase();

// Browser flags
var tt_op = !!(window.opera && document.getElementById),
tt_op6 = tt_op && !document.defaultView,
tt_ie = tt_n.indexOf('msie') != -1 && document.all && tt_db && !tt_op,
tt_n4 = (document.layers && typeof document.classes != "undefined"),
tt_n6 = (!tt_op && document.defaultView && typeof document.defaultView.getComputedStyle != "undefined"),
tt_w3c = !tt_ie && !tt_n6 && !tt_op && document.getElementById;

tt_n = '';


function tt_Int(t_x)
{
        var t_y;
        return isNaN(t_y = parseInt(t_x))? 0 : t_y;
}


function wzReplace(t_x, t_y)
{
        var t_ret = '',
        t_str = this,
        t_xI;
        while ((t_xI = t_str.indexOf(t_x)) != -1)
        {
                t_ret += t_str.substring(0, t_xI) + t_y;
                t_str = t_str.substring(t_xI + t_x.length);
        }
        return t_ret+t_str;
}
String.prototype.wzReplace = wzReplace;


function tt_N4Tags(tagtyp, t_d, t_y)
{
        t_d = t_d || document;
        t_y = t_y || new Array();
        var t_x = (tagtyp=='a')? t_d.links : t_d.layers;
        for (var z = t_x.length; z--;) t_y[t_y.length] = t_x[z];
        for (var z = t_d.layers.length; z--;) t_y = tt_N4Tags(tagtyp, t_d.layers[z].document, t_y);
        return t_y;
}


function tt_GetSelects()
{
        if (!tt_op6 && !tt_ie) return;
        var t_s = tt_op6? 'input' : 'select';
        if (document.all)
        {
                var t_i = document.all.tags(t_s).length; while (t_i--)
                        tt_inputs[t_i] = document.all.tags(t_s)[t_i];
        }
        else if (document.getElementsByTagName)
        {
                var t_i = document.getElementsByTagName(t_s).length; while (t_i--)
                        tt_inputs[t_i] = document.getElementsByTagName(t_s)[t_i];
        }
        var t_i = tt_inputs.length; while (t_i--)
        {
                tt_inputs[t_i].x = 0;
                tt_inputs[t_i].y = 0;
                var t_o = tt_inputs[t_i];
                while (t_o)
                {
                        tt_inputs[t_i].x += t_o.offsetLeft || 0;
                        tt_inputs[t_i].y += t_o.offsetTop|| 0;
                        t_o = t_o.offsetParent;
                }
        }
}


function tt_Htm(tt, t_id, txt)
{
        var t_bgc = (typeof tt.T_BGCOLOR != tt_u)? tt.T_BGCOLOR : ttBgColor,
        t_bgimg   = (typeof tt.T_BGIMG != tt_u)? tt.T_BGIMG : ttBgImg,
        t_bc      = (typeof tt.T_BORDERCOLOR != tt_u)? tt.T_BORDERCOLOR : ttBorderColor,
        t_bw      = (typeof tt.T_BORDERWIDTH != tt_u)? tt.T_BORDERWIDTH : ttBorderWidth,
        t_ff      = (typeof tt.T_FONTFACE != tt_u)? tt.T_FONTFACE : ttFontFace,
        t_fc      = (typeof tt.T_FONTCOLOR != tt_u)? tt.T_FONTCOLOR : ttFontColor,
        t_fsz     = (typeof tt.T_FONTSIZE != tt_u)? tt.T_FONTSIZE : ttFontSize,
        t_fwght   = (typeof tt.T_FONTWEIGHT != tt_u)? tt.T_FONTWEIGHT : ttFontWeight,
        t_padd    = (typeof tt.T_PADDING != tt_u)? tt.T_PADDING : ttPadding,
        t_shc     = (typeof tt.T_SHADOWCOLOR != tt_u)? tt.T_SHADOWCOLOR : (ttShadowColor || 0),
        t_shw     = (typeof tt.T_SHADOWWIDTH != tt_u)? tt.T_SHADOWWIDTH : (ttShadowWidth || 0),
        t_tit     = (typeof tt.T_TITLE != tt_u)? tt.T_TITLE : '',
        t_titc    = (typeof tt.T_TITLECOLOR != tt_u)? tt.T_TITLECOLOR : ttTitleColor,
        t_w       = (typeof tt.T_WIDTH != tt_u)? tt.T_WIDTH  : ttWidth;
        if (t_shc || t_shw)
        {
                t_shc = t_shc || '#cccccc';
                t_shw = t_shw || 3;
        }
        if (tt_n4 && (t_fsz == '10px' || t_fsz == '11px')) t_fsz = '12px';


        var t_y = '<div id="' + t_id + '" style="position:absolute;z-index:1010;';
        t_y += 'left:0px;top:0px;width:' + (t_w+t_shw) + 'px;visibility:' + (tt_n4? 'hide' : 'hidden') + ';">';
        t_y += '<table border="0" cellpadding="0" cellspacing="0"' + (t_bc? (' bgcolor="' + t_bc + '"') : '') + ' width="' + t_w + '">';
        if (t_tit)
        {
                t_y += '<tr><td style="padding-left:3px;"><font color="' + t_titc + '" face="' + t_ff + '" ';
                t_y += 'style="color:' + t_titc + ';font-family:' + t_ff + ';font-size:' + t_fsz + ';"><b>';
                t_y += t_tit + '<\/b><\/font><\/td><\/tr>';
        }
        t_y += '<tr><td><table border="0" cellpadding="' + t_padd + '" cellspacing="' + t_bw + '" width="100%">';
        t_y += '<tr><td' + (t_bgc? (' bgcolor="' + t_bgc + '"') : '') + (t_bgimg? ' background="' + t_bgimg + '"' : '');
        if (tt_n6) t_y += ' style="padding:' + t_padd + 'px;"';
        t_y += '><font color="' + t_fc + '" face="' + t_ff + '"';
        t_y += ' style="color:' + t_fc + ';font-family:' + t_ff + ';font-size:' + t_fsz + ';font-weight:' + t_fwght + ';">';
        if (t_fwght == 'bold') t_y += '<b>';
        t_y += txt;
        if (t_fwght == 'bold') t_y += '<\/b>';
        t_y += '<\/font><\/td><\/tr><\/table><\/td><\/tr><\/table>';
        if (t_shw)
        {
                var t_spct = Math.round(t_shw*1.3);
                if (tt_n4)
                {
                        t_y += '<layer bgcolor="' + t_shc + '" left="' + t_w + '" top="' + t_spct + '" width="' + t_shw + '" height="0"><\/layer>';
                        t_y += '<layer bgcolor="' + t_shc + '" left="' + t_spct + '" align="bottom" width="' + (t_w-t_spct) + '" height="' + t_shw + '"><\/layer>';
                }
                else
                {
                        var t_opa = tt_n6? '-moz-opacity:0.85;' : tt_ie? 'filter:Alpha(opacity=85);' : '';
                        t_y += '<div id="' + t_id + 'R" style="position:absolute;background:' + t_shc + ';left:' + t_w + 'px;top:' + t_spct + 'px;width:' + t_shw + 'px;height:1px;overflow:hidden;' + t_opa + '"><\/div>';
                        t_y += '<div style="position:relative;background:' + t_shc + ';left:' + t_spct + 'px;top:0px;width:' + (t_w-t_spct) + 'px;height:' + t_shw + 'px;overflow:hidden;' + t_opa + '"><\/div>';
                }
        }
        t_y += '<\/div>';
        return t_y;
}


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) +
                                        ');'
                                );
                                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_n4? tt_obj.clip.width
                : tt_obj.style.pixelWidth? tt_obj.style.pixelWidth
                : tt_obj.offsetWidth
        );
}


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


// Compat with DragDrop Lib: Ensure 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)
{
        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_static = t_static;
                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));

                window.tt_rdl = window.setTimeout(
                        'if (tt_sticky)'+
                        '{'+
                                '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 (tt_static) tt_ReleasMov();'+
                        'tt_ShowDiv(\'true\');',
                        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)
                {
                        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();