var RTSS_UNKNOWN_WORD = 0; var RTSS_VALID_WORD = 1; var RTSS_INVALID_WORD = 2; var RTSS_PENDING_WORD = 3; var webFXSpellCheckHandler = { activeRequest: false, words : new Array(), pending : new Array(), activeWord : null, instances : new Array(), serverURI : 'http://me.eae.net/stuff/spellchecker/spell.cgi', invalidWordBg: 'url(http://me.eae.net/stuff/spellchecker/images/redline.png) repeat-x bottom', httpMethod : 'GET', wordsPerReq : 100
}; function WebFXSpellChecker(el, bAllowRich) { var agt, isIe, isGecko, o, elRich; agt = navigator.userAgent.toLowerCase(); isIE = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)); isGecko = ((agt.indexOf('gecko') != -1) && (agt.indexOf("khtml") == -1)); if ((!isIE) && (!isGecko)) { this.el = el; this.supported = false; return;}
elRich = document.createElement('iframe'); this.supported = true; elRich.className = 'webfx-spelltextbox'; el.parentNode.insertBefore(elRich, el); elRich.style.width = el.offsetWidth + 'px'; elRich.style.height = el.offsetHeight + 'px'; if (webFXSpellCheckHandler.instances.length == 0) { webFXSpellCheckHandler._init();}
o = new Object(); o.el = elRich; o.doc = null; o.self = this; webFXSpellCheckHandler.instances.push(o); this.el = el; this.rich = elRich; this.doc = ''; this.allowRich = bAllowRich; window.setTimeout(function() { var doc = elRich.contentDocument || elRich.contentWindow.document; doc.designMode = "on"; window.setTimeout(function() { doc.body.style.background = 'window'; doc.body.style.color = 'windowtext'; doc.body.style.padding = '0.5ex'; doc.body.style.margin = '0px'; doc.body.style.fontFamily = 'menu'; doc.body.style.border = 'none'; if ("addEventListener" in doc) { doc.addEventListener("keypress", webFXSpellCheckHandler._handleKey, false); doc.addEventListener("keyup", webFXSpellCheckHandler._handleKeyUp, false); doc.addEventListener("click", webFXSpellCheckHandler._handleContextMenu, false);}
else if ("attachEvent" in doc) { doc.attachEvent("onkeyup", webFXSpellCheckHandler._handleKeyUp); doc.body.attachEvent("onpaste", webFXSpellCheckHandler._handlePaste); doc.attachEvent("onclick", webFXSpellCheckHandler._handleContextMenu); doc.attachEvent("oncontextmenu", webFXSpellCheckHandler._handleContextMenu);}
doc._text = el; if (webFXSpellCheckHandler.instances.length == 0) { webFXSpellCheckHandler._init();}
o.doc = doc
o.self.doc = doc;}, 100);}, 0);}
WebFXSpellChecker.prototype.fromForm = function() { if (!this.supported) { return;}
this.el.value = this.getText();}
WebFXSpellChecker.prototype.toForm = function() { if (!this.supported) { return;}
this.setText(this.el.value);}
WebFXSpellChecker.prototype.getText = function() { if (!this.supported) { return this.el.value;}
return webFXSpellCheckHandler.getInnerText(this.doc.body);}; WebFXSpellChecker.prototype.getHTML = function() { if (!this.supported) { return this.el.value;}
return webFXSpellCheckHandler.getInnerHTML(this.doc.body);}; WebFXSpellChecker.prototype.setText = function(str) { var i, len, c, str, node; if (!this.supported) { this.el.value = str; return;}
while (this.doc.body.firstChild) { this.doc.body.removeChild(this.doc.body.firstChild);}
len = str.length; word = ''; for (i = 0; i < len; i++) { c = str.substr(i, 1); if (!c.match(/[\w\']/)) { if (word) { this.doc.body.appendChild(webFXSpellCheckHandler._createWordNode(word, this.doc));}
this.doc.body.appendChild(this.doc.createTextNode(c)); word = '';}
else { word += c;}
}
if (word) { this.doc.body.appendChild(this.doc.createTextNode(word));}
}; WebFXSpellChecker.prototype.rescan = function() { if (!this.supported) { return;}
webFXSpellCheckHandler._hideSuggestionsMenu(); webFXSpellCheckHandler._rescanNode(this.doc.body, this.doc, this.allowRich);}
WebFXSpellChecker.prototype.execCommand = function(sCmd, bShow, sValue) { if (!this.supported) { return;}
if (document.getElementById('webfxSpellCheckMenu').style.display == 'none') { if (this.allowRich) { this.doc.execCommand(sCmd, bShow, sValue);} } }; webFXSpellCheckHandler._handleKey = function(e) { var el = e.target || e.srcElement; webFXSpellCheckHandler._hideSuggestionsMenu(); if (e.charCode) { webFXSpellCheckHandler._char = String.fromCharCode(e.charCode);}
else { if (e.keyCode == 13) { webFXSpellCheckHandler._char = '\n'; webFXSpellCheckHandler._moz_parseActiveNode(e, el.ownerDocument); return;}
webFXSpellCheckHandler._char = '';}
}; webFXSpellCheckHandler._handleKeyUp = function(e) { var n, el = e.target || e.srcElement; webFXSpellCheckHandler._hideSuggestionsMenu(); if (document.all) { if (e.keyCode == 13) { for (n = 0; n < webFXSpellCheckHandler.instances.length; n++) { if (webFXSpellCheckHandler.instances[n].doc == el.ownerDocument) { window.setTimeout('webFXSpellCheckHandler.instances[' + n + '].self.rescan();', 100);} } }
else if ((e.keyCode == 32) || (e.keyCode == 188) || (e.keyCode == 190) || (e.keyCode == 109) || (e.keyCode == 189) || (e.keyCode == 186)) { webFXSpellCheckHandler._ie_parseActiveNode(el.ownerDocument || el.document);} }
else { webFXSpellCheckHandler._moz_parseActiveNode(e, el.ownerDocument);}
}; webFXSpellCheckHandler._handlePaste = function(e) { var n, el = el = e.target || e.srcElement; for (n = 0; n < webFXSpellCheckHandler.instances.length; n++) { if (webFXSpellCheckHandler.instances[n].doc == el.ownerDocument) { window.setTimeout('webFXSpellCheckHandler.instances[' + n + '].self.rescan();', 100);}
}
}; webFXSpellCheckHandler._handleContextMenu = function(e) { var el = e.target || e.srcElement; if ((el.tagName == 'SPAN') && (el.firstChild)) { var word = el.firstChild.nodeValue; if ((webFXSpellCheckHandler.words[word]) && (webFXSpellCheckHandler.words[word][0] == RTSS_INVALID_WORD)) { webFXSpellCheckHandler._showSuggestionMenu(e, el, word); if (document.all) { return false;}
else { e.preventDefault();}
return;} }
webFXSpellCheckHandler._hideSuggestionsMenu();}; webFXSpellCheckHandler._init = function() { var menu, inner, item; menu = document.createElement('div'); menu.id = 'webfxSpellCheckMenu'; menu.className = 'webfx-spellchecker-menu'; menu.style.display = 'none'; inner = document.createElement('div'); inner.className = 'inner'; menu.appendChild(inner); item = document.createElement('div'); item.className = 'separator'; inner.appendChild(item); item = document.createElement('a'); item.href = 'javascript:webFXSpellCheckHandler._ignoreWord();'
item.appendChild(document.createTextNode('Ignore')); inner.appendChild(item); document.body.appendChild(menu);}; webFXSpellCheckHandler._spellCheck = function(word) { if (webFXSpellCheckHandler.words[word]) { return webFXSpellCheckHandler.words[word][0];}
webFXSpellCheckHandler.words[word] = [RTSS_PENDING_WORD]; webFXSpellCheckHandler.pending.push(word); if (!webFXSpellCheckHandler.activeRequest) { window.setTimeout('webFXSpellCheckHandler._askServer()', 10);}
return RTSS_PENDING_WORD;}; webFXSpellCheckHandler._createWordNode = function(word, doc) { var node = doc.createElement('span'); node.className = 'webfx-spellchecker-word'; node.style.lineHeight = '1.5em'; node.appendChild(doc.createTextNode(word)); switch (webFXSpellCheckHandler._spellCheck(word)) { case RTSS_VALID_WORD:
case RTSS_PENDING_WORD: node.style.background = 'none'; break; case RTSS_INVALID_WORD: node.style.background = webFXSpellCheckHandler.invalidWordBg; break;}; return node;}; webFXSpellCheckHandler._createEmptyWordNode = function(doc) { var node = doc.createElement('span'); node.className = 'webfx-spellchecker-word'; node.style.lineHeight = '1.5em'; return node;}; webFXSpellCheckHandler._updateWords = function() { var aNodes, i, n, len, eInstance, ow; for (n = 0; n < webFXSpellCheckHandler.instances.length; n++) { aNodes = webFXSpellCheckHandler.instances[n].doc.getElementsByTagName('span'); len = aNodes.length; for (i = 0; i < len; i++) { if (aNodes[i].childNodes.length != 1) { continue;}
if (aNodes[i].firstChild.nodeType != 3) { continue;}
ow = webFXSpellCheckHandler.words[aNodes[i].firstChild.nodeValue]; if (!ow) { continue;}
switch (ow[0]) { case RTSS_VALID_WORD:
case RTSS_PENDING_WORD: aNodes[i].style.background = 'none'; break; case RTSS_INVALID_WORD: aNodes[i].style.background = webFXSpellCheckHandler.invalidWordBg; break;};} } }; webFXSpellCheckHandler._moz_parseActiveNode = function(e, doc) { var sel, offset, str, node, r, n, b; sel = doc.defaultView.getSelection(); offset = sel.focusOffset; if ((sel.focusNode.nodeType == 1) && (sel.focusNode.nodeValue == null) && (webFXSpellCheckHandler._char != '\n')) { if ((sel.focusNode.previousSibling) && (sel.focusNode.nextSibling) && (sel.focusNode.previousSibling.tagName != 'BR') && (sel.focusNode.nextSibling.tagName != 'BR')) { var node = webFXSpellCheckHandler._createEmptyWordNode(doc); r = sel.getRangeAt(0); r.insertNode(node); if (!node.previousSibling) { return;}
str = webFXSpellCheckHandler.getInnerText(node.previousSibling); offset = str.length; str += webFXSpellCheckHandler.getInnerText(node.nextSibling); webFXSpellCheckHandler._setSingleWord(node, str); node.parentNode.removeChild(node.previousSibling); node.parentNode.removeChild(node.nextSibling); try { sel.removeAllRanges(); r = doc.createRange(); r.setStart(node.firstChild, offset); r.setEnd(node.firstChild, offset); sel.addRange(r);}
catch (oe) { }
}
return;}
if ((sel.focusNode) && (sel.focusNode.nodeType == 3)) { str = webFXSpellCheckHandler.getInnerText(sel.focusNode); b = false; if ((webFXSpellCheckHandler._char == '\n') && (str.length == sel.focusOffset)) { webFXSpellCheckHandler._setWord2(sel.focusNode, str); return;}
if (sel.focusNode.parentNode.className == 'webfx-spellchecker-word') { b = true; node = sel.focusNode.parentNode;}
else { if (!webFXSpellCheckHandler._char) { return;}
if (webFXSpellCheckHandler._char.match(/[\w\']/)) { return;}
node = webFXSpellCheckHandler._createEmptyWordNode(doc); sel.focusNode.parentNode.insertBefore(node, sel.focusNode); if ((!sel.focusNode.nextSibling) && (sel.focusNode.parentNode == doc.body)) { sel.focusNode.parentNode.appendChild(document.createTextNode(''));}
sel.focusNode.parentNode.removeChild(sel.focusNode);}
n = webFXSpellCheckHandler._setWord(node, str); sel.removeAllRanges(); r = doc.createRange(); if (node.firstChild) { node = node.firstChild;}
else { node = node.previousSibling; node.parentNode.removeChild(node.nextSibling); while (node.firstChild) { node = node.firstChild;}
}
len = node.nodeValue.length; if ((n > 1) && (len != str.length) && (b)) { node = node.parentNode; n = webFXSpellCheckHandler._checkWord(node); if (n) { r.setStart(node.firstChild, 0); r.setEnd(node.firstChild, 0);} }
else if ((b) && (offset <= len)) { r.setStart(node, offset); r.setEnd(node, offset);}
else { r.setStart(node, len); r.setEnd(node, len);}
try { sel.addRange(r);}
catch(oe) { r.setStart(node, 0); r.setEnd(node, 0); sel.addRange(r);}
}
}
webFXSpellCheckHandler._ie_parseActiveNode = function(doc) { var sr, el, str, cont, i, len, start, r, offset, newword, word; sr = doc.selection.createRange(); el = sr.parentElement(); r = doc.body.createTextRange(); r.setEndPoint("EndToStart", sr); offset = r.text.length; if (el.className == 'webfx-spellchecker-word') { word = webFXSpellCheckHandler.getInnerText(el); webFXSpellCheckHandler._setWord2(el, word, true);}
else { sr.moveStart('character', -2); sr.expand('word'); sr.moveEnd('character', -1); sr.select(); word = sr.text; if (word.match(/[\w\']+/)) { var node = document.createElement('span'); node.className = 'webfx-spellchecker-word'; node.style.lineHeight = '1.5em'; webFXSpellCheckHandler._setSingleWord(node, word); sr.pasteHTML(node.outerHTML);} }
sr = doc.selection.createRange(); sr.moveToPoint(0, 0); sr.moveStart('character', offset); sr.moveEnd('character', offset); sr.collapse(); sr.select();}
webFXSpellCheckHandler._askServer = function() { var i, len, uri, arg, word, aMap, xmlHttp; var async = true; if (webFXSpellCheckHandler.activeRequest) { return;}
arg = ''; len = webFXSpellCheckHandler.pending.length; if (len) { webFXSpellCheckHandler.activeRequest = true; aMap = new Array(); if (len > webFXSpellCheckHandler.wordsPerReq) { len = webFXSpellCheckHandler.wordsPerReq;}
for (i = 0; i < len; i++) { word = webFXSpellCheckHandler.pending.shift(); arg += ((i)?';':'') + i + '=' + word; webFXSpellCheckHandler.words[word] = [RTSS_PENDING_WORD]; aMap[i] = word;}
if (webFXSpellCheckHandler.httpMethod == 'GET') { uri = webFXSpellCheckHandler.serverURI + '?' + arg; arg = '';}
else { uri = webFXSpellCheckHandler.serverURI;}
if (window.XMLHttpRequest) { xmlHttp = new XMLHttpRequest(); xmlHttp.onload = function() { webFXSpellCheckHandler._serverResponseHandler(xmlHttp.responseText, aMap);};}
else if (window.ActiveXObject) { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); if (!xmlHttp) { return;}
xmlHttp.onreadystatechange = function() { if (xmlHttp.readyState == 4) { webFXSpellCheckHandler._serverResponseHandler(xmlHttp.responseText, aMap);}
};}
xmlHttp.open(webFXSpellCheckHandler.httpMethod, uri, async); xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlHttp.setRequestHeader("Content-Length", arg.length); xmlHttp.send(arg);} }; webFXSpellCheckHandler._serverResponseHandler = function(sData, aMap) { var i, flag, len, data, word, suggestions; try { eval(sData);}
catch (oe) { return;}
len = data.length; for (i = 0; i < len; i++) { flag = data[i][0]; word = aMap[i]; suggestions = data[i][1]; if (!webFXSpellCheckHandler.words[word]) { return;}
switch (flag) { case 0:
webFXSpellCheckHandler.words[word][0] = RTSS_INVALID_WORD; webFXSpellCheckHandler.words[word][1] = suggestions; break; case 1:
webFXSpellCheckHandler.words[word][0] = RTSS_VALID_WORD; break;};}
webFXSpellCheckHandler.activeRequest = false; webFXSpellCheckHandler._updateWords(); if (webFXSpellCheckHandler.pending.length) { webFXSpellCheckHandler._askServer();}
}; webFXSpellCheckHandler._showSuggestionMenu = function(e, el, word) { var menu, len, item, sep, frame, aSuggestions, doc, x, y, o; if (!webFXSpellCheckHandler.words[word]) { return;}
menu = document.getElementById('webfxSpellCheckMenu'); len = menu.firstChild.childNodes.length; while (len > 2) { menu.firstChild.removeChild(menu.firstChild.firstChild); len--;}
sep = menu.firstChild.firstChild; aSuggestions = webFXSpellCheckHandler.words[word][1]; len = aSuggestions.length; if (len > 10) { len = 10;}
for (i = 0; i < len; i++) { item = document.createElement('a'); item.href = 'javascript:webFXSpellCheckHandler._replaceWord("' + aSuggestions[i] + '");'
item.appendChild(document.createTextNode(aSuggestions[i])); menu.firstChild.insertBefore(item, sep);}
if (len == 0) { item = document.createElement('a'); item.href = 'javascript:void()'
item.appendChild(document.createTextNode('No suggestions')); menu.firstChild.insertBefore(item, sep);}
var n; for (n = 0; n < webFXSpellCheckHandler.instances.length; n++) { if (webFXSpellCheckHandler.instances[n].doc == el.ownerDocument) { frame = webFXSpellCheckHandler.instances[n].el; doc = webFXSpellCheckHandler.instances[n].doc;} }
x = 0; y = 0; for (o = frame; o; o = o.offsetParent) { x += (o.offsetLeft - o.scrollLeft); y += (o.offsetTop - o.scrollTop);}
if (document.all) { menu.style.left = x + (e.pageX || e.clientX) + 'px'; menu.style.top = y + (e.pageY || e.clientY) + (el.offsetHeight/2) + 'px';}
else { menu.style.left = x + ((e.pageX || e.clientX) - doc.body.scrollLeft) + 'px'; menu.style.top = y + ((e.pageY || e.clientY) - doc.body.scrollTop) + (el.offsetHeight/2) + 'px';}
menu.style.display = 'block'; webFXSpellCheckHandler.activeWord = el;}; webFXSpellCheckHandler._replaceWord = function(word) { if (webFXSpellCheckHandler.activeWord) { webFXSpellCheckHandler._setWord(webFXSpellCheckHandler.activeWord, word); if (!document.all) { webFXSpellCheckHandler.activeWord.ownerDocument.defaultView.focus(); try { sel = webFXSpellCheckHandler.activeWord.ownerDocument.defaultView.getSelection(); r = sel.getRangeAt(0); sel.removeAllRanges(); r = document.createRange(); r.setStart(webFXSpellCheckHandler.activeWord.nextSibling, 1); r.setEnd(webFXSpellCheckHandler.activeWord.nextSibling, 1); sel.addRange(r);}
catch(oe) { }
} }
webFXSpellCheckHandler._hideSuggestionsMenu();}; webFXSpellCheckHandler._ignoreWord = function() { if (webFXSpellCheckHandler.activeWord) { var word = webFXSpellCheckHandler.activeWord.firstChild.nodeValue; if (!webFXSpellCheckHandler.words[word]) { webFXSpellCheckHandler.words[word] = [1];}
else { webFXSpellCheckHandler.words[word][0] = 1;}
webFXSpellCheckHandler._replaceWord(word);}
else { webFXSpellCheckHandler._hideSuggestionsMenu();} }; webFXSpellCheckHandler._hideSuggestionsMenu = function() { document.getElementById('webfxSpellCheckMenu').style.display = 'none'; webFXSpellCheckHandler.activeWord = null;}; webFXSpellCheckHandler._rescanNode = function(el, doc, bAllowRich) { var aNodes, i, n, len, eInstance, word, node, o; if (bAllowRich) { el.innerHTML = webFXSpellCheckHandler.getInnerHTML(el); aNodes = new Array(); node = el.firstChild; while (node) { if ((node.nodeType == 1) && (node.className == 'webfx-spellchecker-word')) { node.className = ''; aNodes.push(node);}
else if (node.nodeType == 3) { aNodes.push(node);}
if (node.firstChild) { node = node.firstChild;}
else if (node.nextSibling) { node = node.nextSibling;}
else { for (node = node.parentNode; node; node = node.parentNode) { if (node.nextSibling) { node = node.nextSibling; break;}
} } }
len = aNodes.length; for (i = 0; i < len; i++) { node = aNodes[i]; word = webFXSpellCheckHandler.getInnerText(node); webFXSpellCheckHandler._setWord2(node, word);} }
else { node = el; if (node.firstChild) { word = webFXSpellCheckHandler.getInnerText(node); while (node.firstChild) { node.removeChild(node.firstChild);}
node.appendChild(doc.createTextNode('')); webFXSpellCheckHandler._setWord2(node.firstChild, word, true);} } }; webFXSpellCheckHandler._setWord = function(el, word) { var i, len, c, str, node, doc, n; doc = el.ownerDocument || el.document; while (el.firstChild) { el.removeChild(el.firstChild);}
len = word.length; str = ''; n = 0; for (i = 0; i < len; i++) { c = word.substr(i, 1); if (!c.match(/[\w\']/)) { if (str) { el.parentNode.insertBefore(webFXSpellCheckHandler._createWordNode(str, doc), el);}
el.parentNode.insertBefore(doc.createTextNode(c), el); str = ''; n++;}
else { str += c;}
}
if (str) { webFXSpellCheckHandler._setSingleWord(el, str); n++;}
return n;}; webFXSpellCheckHandler._setWord2 = function(el, word, bAllowRich) { var i, len, c, str, node, doc, n, newNode; doc = el.ownerDocument || el.document; len = word.length; str = ''; n = 0; for (i = 0; i < len; i++) { c = word.substr(i, 1); if (!c.match(/[\w\']/)) { if (str) { el.parentNode.insertBefore(webFXSpellCheckHandler._createWordNode(str, doc), el);}
if ((c == '\n') && (bAllowRich)) { newNode = doc.createElement('br');}
else {newNode = doc.createTextNode(c);}
el.parentNode.insertBefore(newNode, el); str = ''; n++;}
else { str += c;}
}
if (str) { el.parentNode.insertBefore(webFXSpellCheckHandler._createWordNode(str, doc), el);}
el.parentNode.removeChild(el); return n;}; webFXSpellCheckHandler._setSingleWord = function(el, word) { var doc = el.ownerDocument || el.document; while (el.firstChild) { el.removeChild(el.firstChild);}
el.appendChild(doc.createTextNode(word)); switch (webFXSpellCheckHandler._spellCheck(word)) { case RTSS_VALID_WORD:
case RTSS_PENDING_WORD: el.style.background = 'none'; break; case RTSS_INVALID_WORD: el.style.background = webFXSpellCheckHandler.invalidWordBg; break;};}; webFXSpellCheckHandler._checkWord = function(el) { webFXSpellCheckHandler._setWord(el, webFXSpellCheckHandler.getInnerText(el));}; webFXSpellCheckHandler.getInnerText = function(node) { var str, len, i; if (!node) { return '';}
switch (node.nodeType) { case 1:
if (node.tagName == 'BR') { return '\n';}
else { str = ''; len = node.childNodes.length; for (i = 0; i < len; i++) { str += webFXSpellCheckHandler.getInnerText(node.childNodes[i]);}; return str;}
break; case 3:
return node.nodeValue; break;};}; webFXSpellCheckHandler.getInnerHTML = function(node) { var str, regex, a, c, depth, tagStart, tag, i, len, word, tagEnd, outstr; str = node.innerHTML; len = str.length; outstr = ''; tagEnd = 0; regex = /<[^>]+webfx\-spellchecker\-word[^>]+>/g; while (a = regex.exec(str)) { depth = 0; for (i = regex.lastIndex; i < len; i++) { c = str.substr(i, 1); if (c == '<') { tagStart = i;}
else if (c == '>') { tag = str.substr(tagStart, i - tagStart + 1); if ( (tag.substr(tag.length-2, 1) == '/') || (tag.substr(1, 2) == 'br') || (tag.substr(1, 2) == 'hr') || (tag.substr(1, 3) == 'img') ); else if (tag.substr(1, 1) == '/') { depth--; if (depth == -1) { word = str.substr(regex.lastIndex, tagStart - regex.lastIndex); if (a[0].match(/font\-weight\: bold/i)) { word = '<strong>' + word + '</strong>';}
else if (a[0].match(/font\-style\: italic/i)) { word = '<em>' + word + '</em>';}
else if (a[0].match(/text\-decoration\: underline/i)) { word = '<u>' + word + '</u>';}
if (tagEnd < (regex.lastIndex - a[0].length)) { outstr += str.substr(tagEnd, (regex.lastIndex - a[0].length) - tagEnd);}
outstr += word; tagEnd = i+1; break;} }
else { depth++;}
} } }
if (tagEnd < len) { outstr += str.substr(tagEnd, len - tagEnd);}
return outstr;};