// These are variables the popup is going to want to access...
var spell_formname, spell_fieldname;
// Spell check the specified field in the specified form.
function spellCheck(formName, fieldName)
{
// Grab the spell checking form.
var spellform = document.forms.spell_form;
spell_formname = formName;
spell_fieldname = fieldName;
spellform.spellstring.value = document.forms[formName][fieldName].value;
openSpellWin(640, 480);
spellform.submit();
return true;
}
// Private functions -------------------------------
// Globals...
var wordindex = -1, offsetindex = 0;
var ignoredWords = [];
// A "misspelled word" object.
function misp(word, start, end, suggestions)
{
// The word, start index, end index, and array of suggestions.
this.word = word;
this.start = start;
this.end = end;
this.suggestions = suggestions;
}
// Replace the word in the misps array at the "wordindex" index. The
// misps array is generated by a PHP script after the string to be spell
// checked is evaluated with pspell.
function replaceWord()
{
var strstart = "";
var strend;
// If this isn't the beginning of the string then get all of the string
// that is before the word we are replacing.
if (misps[wordindex].start != 0)
strstart = mispstr.slice(0, misps[wordindex].start + offsetindex);
// Get the end of the string after the word we are replacing.
strend = mispstr.slice(misps[wordindex].end + 1 + offsetindex);
// Rebuild the string with the new word.
mispstr = strstart + document.forms.spellingForm.changeto.value + strend;
// Update offsetindex to compensate for replacing a word with a word
// of a different length.
offsetindex += document.forms.spellingForm.changeto.value.length - misps[wordindex].word.length;
// Update the word so future replaceAll calls don't change it.
misps[wordindex].word = document.forms.spellingForm.changeto.value;
nextWord(false);
}
// Replaces all instances of currently selected word with contents chosen by user.
// Note: currently only replaces words after highlighted word. I think we can re-index
// all words at replacement or ignore time to have it wrap to the beginning if we want
// to.
function replaceAll()
{
var strend;
var idx;
var origword;
var localoffsetindex = offsetindex;
origword = misps[wordindex].word;
// Re-index everything past the current word.
for (idx = wordindex; idx < misps.length; idx++)
{
misps[idx].start += localoffsetindex;
misps[idx].end += localoffsetindex;
}
localoffsetindex = 0;
for (idx = 0; idx < misps.length; idx++)
{
if (misps[idx].word == origword)
{
var strstart = "";
if (misps[idx].start != 0)
strstart = mispstr.slice(0, misps[idx].start + localoffsetindex);
// Get the end of the string after the word we are replacing.
strend = mispstr.slice(misps[idx].end + 1 + localoffsetindex);
// Rebuild the string with the new word.
mispstr = strstart + document.forms.spellingForm.changeto.value + strend;
// Update offsetindex to compensate for replacing a word with a word
// of a different length.
localoffsetindex += document.forms.spellingForm.changeto.value.length - misps[idx].word.length;
}
// We have to re-index everything after replacements.
misps[idx].start += localoffsetindex;
misps[idx].end += localoffsetindex;
}
// Add the word to the ignore array.
ignoredWords[origword] = true;
// Reset offsetindex since we re-indexed.
offsetindex = 0;
nextWord(false);
}
// Highlight the word that was selected using the nextWord function.
function highlightWord()
{
var strstart = "";
var strend;
// If this isn't the beginning of the string then get all of the string
// that is before the word we are replacing.
if (misps[wordindex].start != 0)
strstart = mispstr.slice(0, misps[wordindex].start + offsetindex);
// Get the end of the string after the word we are replacing.
strend = mispstr.slice(misps[wordindex].end + 1 + offsetindex);
// Rebuild the string with a span wrapped around the misspelled word
// so we can highlight it in the div the user is viewing the string in.
var divptr, newValue;
divptr = document.getElementById("spellview");
newValue = htmlspecialchars(strstart) + '<span class="highlight" id="h1">' + misps[wordindex].word + '</span>' + htmlspecialchars(strend);
setInnerHTML(divptr, newValue.replace(/_\|_/g, '<br />'));
// We could use scrollIntoView, but it's just not that great anyway.
var spellview_height = typeof(document.getElementById("spellview").currentStyle) != "undefined" ? parseInt(document.getElementById("spellview").currentStyle.height) : document.getElementById("spellview").offsetHeight;
var word_position = document.getElementById("h1").offsetTop;
var current_position = document.getElementById("spellview").scrollTop;
// The spellview is not tall enough! Scroll down!
if (spellview_height <= (word_position + current_position))
document.getElementById("spellview").scrollTop = word_position + current_position - spellview_height + 32;
}
// Display the next misspelled word to the user and populate the suggested spellings box.
function nextWord(ignoreall)
{
// Push ignored word onto ignoredWords array.
if (ignoreall)
ignoredWords[misps[wordindex].word] = true;
// Update the index of all words we have processed...
// This must be done to accomodate the replaceAll function.
if (wordindex >= 0)
{
misps[wordindex].start += offsetindex;
misps[wordindex].end += offsetindex;
}
// Increment the counter for the array of misspelled words.
wordindex++;
// Draw it and quit if there are no more misspelled words to evaluate.
if (misps.length <= wordindex)
{
var divptr;
divptr = document.getElementById("spellview");
setInnerHTML(divptr, htmlspecialchars(mispstr).replace(/_\|_/g, "<br />"));
while (document.forms.spellingForm.suggestions.options.length > 0)
document.forms.spellingForm.suggestions.options[0] = null;
alert(txt['done']);
document.forms.spellingForm.change.disabled = true;
document.forms.spellingForm.changeall.disabled = true;
document.forms.spellingForm.ignore.disabled = true;
document.forms.spellingForm.ignoreall.disabled = true;
// Put line feeds back...
mispstr = mispstr.replace(/_\|_/g, "\n");
// Get a handle to the field we need to re-populate.
window.opener.document.forms[spell_formname][spell_fieldname].value = mispstr;
window.opener.document.forms[spell_formname][spell_fieldname].focus();
window.close();
return true;
}
// Check to see if word is supposed to be ignored.
if (typeof(ignoredWords[misps[wordindex].word]) != "undefined")
{
nextWord(false);
return false;
}
// Clear out the suggestions box!
while (document.forms.spellingForm.suggestions.options.length > 0)
document.forms.spellingForm.suggestions.options[0] = null;
// Re-populate the suggestions box if there are any suggested spellings for the word.
if (misps[wordindex].suggestions.length)
{
for (var sugidx = 0; sugidx < misps[wordindex].suggestions.length; sugidx++)
{
var newopt = new Option(misps[wordindex].suggestions[sugidx], misps[wordindex].suggestions[sugidx]);
document.forms.spellingForm.suggestions.options[sugidx] = newopt;
if (sugidx == 0)
{
newopt.selected = true;
document.forms.spellingForm.changeto.value = newopt.value;
document.forms.spellingForm.changeto.select();
}
}
}
if (document.forms.spellingForm.suggestions.options.length == 0)
document.forms.spellingForm.changeto.value = "";
highlightWord();
return false;
}
function htmlspecialchars(thetext)
{
thetext = thetext.replace(/\</g, "<");
thetext = thetext.replace(/\>/g, ">");
thetext = thetext.replace(/\n/g, "<br />");
thetext = thetext.replace(/\ \ /g, " ");
return thetext;
}
function openSpellWin(width, height)
{
window.open("", "spellWindow", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=" + width + ",height=" + height);
}
