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var slyrtop = 0;
var slyrleft = 0;
function findPosX(obj)
{
var curleft = 0;
if (obj.offsetParent)
{
while (obj.offsetParent)
{
curleft += obj.offsetLeft
obj = obj.offsetParent;
}
}
else if (obj.x)
curleft += obj.x;
return curleft;
}
function findPosY(obj)
{
var curtop = 0;
if (obj.offsetParent)
{
while (obj.offsetParent)
{
curtop += obj.offsetTop
obj = obj.offsetParent;
}
}
else if (obj.y)
curtop += obj.y;
return curtop;
}
function setLyr(obj,lyr)
{
var newX = findPosX(obj);
var newY = findPosY(obj);
var newwidth = obj.offsetWidth;
var newheight = obj.offsetHeight;
lyr.style.top = newY + 'px';
lyr.style.left = newX + 'px';
slyrtop = newY;
slyrleft = newX;
lyr.style.width = newwidth;
lyr.style.height = newheight;
lyr.style.clip.height = newheight;
}
function findlayer(layername, searchdoc)
{
if (searchdoc == undefined)
searchdoc = document;
if (searchdoc.getElementById)
return searchdoc.getElementById(layername);
else if (searchdoc.all)
return searchdoc.all[layername];
else if (searchdoc.layers)
return searchdoc.layers[layername];
}
function ToggleSpellChecker(obj,button)
{
var layername = obj.name + '.spellchecklayer';
var lyr = findlayer(layername);
var standby_url = lyr.getAttribute("standby_url");
var target_url = lyr.getAttribute("target_url");
//if we are starting a spellcheck
if (button.value == "spellcheck")
{
lyr.style.visibility = 'visible';
lyr.style.background = '#D5E6F7';
lyr.style.border = 'solid black 1px';
lyr.style.position = 'absolute';
setLyr(obj,lyr);
var framename = obj.name + '.spellcheckframe';
var spellcheckframe = document.getElementById(framename);
spellcheckframe.height = lyr.style.height;
spellcheckframe.width = lyr.style.width;
//set the form to a new action, then set it back
theform = obj.form;
var previousaction = theform.action;
var previoustarget = theform.target;
var previousmethod = theform.method;
var previousencoding = theform.encoding;
theform.method = 'POST';
theform.encoding = 'multipart/form-data';
theform.target = framename;
//set the action for the form
var fieldname = obj.name;
var targeturl = target_url + '?spellcheckfield=' + fieldname;
theform.action = targeturl;
theform.submit();
//return to previous values
theform.method = previousmethod;
theform.encoding = previousencoding;
theform.target = previoustarget;
theform.action = previousaction;
//toggle the text on the button
button.value = "resume editing";
}
else //if we are ending a spellcheck
{
//find the spellchecking iframe
var framename = obj.name + '.spellcheckframe';
var spellcheckframe = frames[framename];
spellcheckframe.location.href = standby_url;
//var spellcheckframe = document.getElementById(framename);
//spellcheckframe.src = 'spellingstandby.htm';
//extract only the text we want
var newtext = "";
var debug="";
var childnodes = spellcheckframe.document.body.firstChild.childNodes;
//Act according to the type of node. This is where we convert from html to plain text
for(var i=0;i<childnodes.length;i++)
{
debug+=childnodes[i].nodeName;
if (childnodes[i].nodeName == '#text')
{
newtext += childnodes[i].data;
}
if (childnodes[i].nodeName == 'A')
{
newtext += childnodes[i].innerHTML;
}
}
obj.value = newtext;
//hide the iframe
lyr.style.visibility = 'hidden';
//hide the suggestions layer in case it is shown
var suggestionslayer = findlayer('suggestionslayer');
suggestionslayer.style.visibility = 'hidden';
//toggle the text on the button
button.value = "spellcheck";
}
};
function MakeSelection(anchor,wordindex,selection,layerid)
{
var lyr = findlayer('suggestionslayer');
lyr.style.visibility = 'hidden';
lyr.innerHTML = "";
//change the anchor
lyr.obj.innerHTML = selection;
};
function ShowOptions(anchor,index)
{
//show the suggestions for a word
var lyr = findlayer('suggestionslayer', parent.document);
lyr.style.background = '#D5E6F7';
lyr.style.border = 'solid black 1px';
lyr.style.position = 'absolute';
lyr.style.height = 100;
lyr.style.zindex = 1;
lyr.style.overflow = 'scroll';
lyr.style.visibility = 'visible';
lyr.obj = anchor;
setLyr(anchor,lyr);
//we need to modify the position of the layer by the position of the iframe
var iframe = window.frameElement;
var modx = iframe.offsetParent.offsetLeft - document.body['scrollLeft'];
var mody = iframe.offsetParent.offsetTop - document.body['scrollTop'];
lyr.style.top = slyrtop + mody + 'px';
lyr.style.left = slyrleft + modx + 'px';
//modify the size of the layer
lyr.style.width = anchor.offsetWidth + 50 + 'px';
lyr.style.height = 100;
lyr.style.clip.height = 80;
//set the options
innerhtml = "<pre>";
for (i=0; i<wordlist[index][2].length; i++)
{
newword = wordlist[index][2][i];
quotedword = "'" + newword.replace("'", "\\'") + "'";
innerhtml += "<a href=javascript:MakeSelection(this,"+index+","+quotedword+",'suggestionslayer')>"+
wordlist[index][2][i] +
"</a>\n";
}
innerhtml += "</pre>";
lyr.innerHTML = innerhtml;
};
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