googiespell.js
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googiespell.js
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	/*
	SpellCheck
	jQuery'fied spell checker based on GoogieSpell 4.0
	Copyright Amir Salihefendic 2006
	Copyright Aleksander Machniak 2009
	LICENSE
	GPL
	AUTHORS
	4mir Salihefendic (http://amix.dk) - amix@amix.dk
	Aleksander Machniak - alec [at] alec.pl
	*/

	var SPELL_CUR_LANG = null;
	var GOOGIE_DEFAULT_LANG = 'en';

	function GoogieSpell(img_dir, server_url) {
	var ref = this;

	this.array_keys = function(arr) {
	var res = [];
	for (var key in arr) { res.push([key]); }
	return res;
	}

	var cookie_value = getCookie('language');
	GOOGIE_CUR_LANG = cookie_value != null ? cookie_value : GOOGIE_DEFAULT_LANG;

	this.img_dir = img_dir;
	this.server_url = server_url;

	this.org_lang_to_word = {
	"da": "Dansk", "de": "Deutsch", "en": "English",
	"es": "Español", "fr": "Français", "it": "Italiano",
	"nl": "Nederlands", "pl": "Polski", "pt": "Português",
	"fi": "Suomi", "sv": "Svenska"
	};
	this.lang_to_word = this.org_lang_to_word;
	this.langlist_codes = this.array_keys(this.lang_to_word);
	this.show_change_lang_pic = true;
	this.change_lang_pic_placement = 'right';
	this.report_state_change = true;

	this.ta_scroll_top = 0;
	this.el_scroll_top = 0;

	this.lang_chck_spell = "Check spelling";
	this.lang_revert = "Revert to";
	this.lang_close = "Close";
	this.lang_rsm_edt = "Resume editing";
	this.lang_no_error_found = "No spelling errors found";
	this.lang_no_suggestions = "No suggestions";

	this.show_spell_img = false; // roundcube mod.
	this.decoration = true;
	this.use_close_btn = true;
	this.edit_layer_dbl_click = true;
	this.report_ta_not_found = true;

	//Extensions
	this.custom_ajax_error = null;
	this.custom_no_spelling_error = null;
	this.custom_menu_builder = []; //Should take an eval function and a build menu function
	this.custom_item_evaulator = null; //Should take an eval function and a build menu function
	this.extra_menu_items = [];
	this.custom_spellcheck_starter = null;
	this.main_controller = true;

	//Observers
	this.lang_state_observer = null;
	this.spelling_state_observer = null;
	this.show_menu_observer = null;
	this.all_errors_fixed_observer = null;

	//Focus links - used to give the text box focus
	this.use_focus = false;
	this.focus_link_t = null;
	this.focus_link_b = null;

	//Counters
	this.cnt_errors = 0;
	this.cnt_errors_fixed = 0;

	//Set document's onclick to hide the language and error menu
	$(document).bind('click', function(e) {
	if($(e.target).attr('googie_action_btn') != '1' && ref.isLangWindowShown())
	ref.hideLangWindow();
	if($(e.target).attr('googie_action_btn') != '1' && ref.isErrorWindowShown())
	ref.hideErrorWindow();
	});


	this.decorateTextarea = function(id) {
	this.text_area = typeof(id) == 'string' ? document.getElementById(id) : id;

	if (this.text_area) {
	if (!this.spell_container && this.decoration) {
	var table = document.createElement('table');
	var tbody = document.createElement('tbody');
	var tr = document.createElement('tr');
	var spell_container = document.createElement('td');

	var r_width = this.isDefined(this.force_width) ? this.force_width : this.text_area.offsetWidth;
	var r_height = this.isDefined(this.force_height) ? this.force_height : 16;

	tr.appendChild(spell_container);
	tbody.appendChild(tr);
	$(table).append(tbody).insertBefore(this.text_area).width('100%').height(r_height);
	$(spell_container).height(r_height).width(r_width).css('text-align', 'right');

	this.spell_container = spell_container;
	}

	this.checkSpellingState();
	}
	else
	if (this.report_ta_not_found)
	alert('Text area not found');
	}

	//////
	// API Functions (the ones that you can call)
	/////
	this.setSpellContainer = function(id) {
	this.spell_container = typeof(id) == 'string' ? document.getElementById(id) : id;
	}

	this.setLanguages = function(lang_dict) {
	this.lang_to_word = lang_dict;
	this.langlist_codes = this.array_keys(lang_dict);
	}

	this.setCurrentLanguage = function(lan_code) {
	GOOGIE_CUR_LANG = lan_code;

	//Set cookie
	var now = new Date();
	now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
	setCookie('language', lan_code, now);
	}

	this.setForceWidthHeight = function(width, height) {
	// Set to null if you want to use one of them
	this.force_width = width;
	this.force_height = height;
	}

	this.setDecoration = function(bool) {
	this.decoration = bool;
	}

	this.dontUseCloseButtons = function() {
	this.use_close_btn = false;
	}

	this.appendNewMenuItem = function(name, call_back_fn, checker) {
	this.extra_menu_items.push([name, call_back_fn, checker]);
	}

	this.appendCustomMenuBuilder = function(eval, builder) {
	this.custom_menu_builder.push([eval, builder]);
	}

	this.setFocus = function() {
	try {
	this.focus_link_b.focus();
	this.focus_link_t.focus();
	return true;
	}
	catch(e) {
	return false;
	}
	}


	//////
	// Set functions (internal)
	/////
	this.setStateChanged = function(current_state) {
	this.state = current_state;
	if (this.spelling_state_observer != null && this.report_state_change)
	this.spelling_state_observer(current_state, this);
	}

	this.setReportStateChange = function(bool) {
	this.report_state_change = bool;
	}


	//////
	// Request functions
	/////
	this.getUrl = function() {
	return this.server_url + GOOGIE_CUR_LANG;
	}

	this.escapeSpecial = function(val) {
	return val.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">");
	}

	this.createXMLReq = function (text) {
	return '<?xml version="1.0" encoding="utf-8" ?>'
	+ '<spellrequest textalreadyclipped="0" ignoredups="0" ignoredigits="1" ignoreallcaps="1">'
	+ '<text>' + text + '</text></spellrequest>';
	}

	this.spellCheck = function(ignore) {
	this.cnt_errors_fixed = 0;
	this.cnt_errors = 0;
	this.setStateChanged('checking_spell');

	if (this.main_controller)
	this.appendIndicator(this.spell_span);

	this.error_links = [];
	this.ta_scroll_top = this.text_area.scrollTop;
	this.ignore = ignore;
	this.hideLangWindow();

	if ($(this.text_area).val() == '' \|\| ignore) {
	if (!this.custom_no_spelling_error)
	this.flashNoSpellingErrorState();
	else
	this.custom_no_spelling_error(this);
	this.removeIndicator();
	return;
	}

	this.createEditLayer(this.text_area.offsetWidth, this.text_area.offsetHeight);
	this.createErrorWindow();
	$('body').append(this.error_window);

	try { netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead"); }
	catch (e) { }

	if (this.main_controller)
	$(this.spell_span).unbind('click');

	this.orginal_text = $(this.text_area).val();
	var req_text = this.escapeSpecial(this.orginal_text);
	var ref = this;

	$.ajax({ type: 'POST', url: this.getUrl(),
	data: this.createXMLReq(req_text), dataType: 'text',
	error: function(o) {
	if (ref.custom_ajax_error)
	ref.custom_ajax_error(ref);
	else
	alert('An error was encountered on the server. Please try again later.');
	if (ref.main_controller) {
	$(ref.spell_span).remove();
	ref.removeIndicator();
	}
	ref.checkSpellingState();
	},
	success: function(data) {
	var r_text = data;
	ref.results = ref.parseResult(r_text);
	if (r_text.match(/<c.*>/) != null) {
	//Before parsing be sure that errors were found
	ref.showErrorsInIframe();
	ref.resumeEditingState();
	} else {
	if (!ref.custom_no_spelling_error)
	ref.flashNoSpellingErrorState();
	else
	ref.custom_no_spelling_error(ref);
	}
	ref.removeIndicator();
	}
	});
	}


	//////
	// Spell checking functions
	/////
	this.parseResult = function(r_text) {
	// Returns an array: result[item] -> ['attrs'], ['suggestions']
	var re_split_attr_c = /\w+="(\d+\|true)"/g;
	var re_split_text = /\t/g;

	var matched_c = r_text.match(/<c[^>]>[^<]<\/c>/g);
	var results = new Array();

	if (matched_c == null)
	return results;

	for (var i=0; i < matched_c.length; i++) {
	var item = new Array();
	this.errorFound();

	//Get attributes
	item['attrs'] = new Array();
	var split_c = matched_c[i].match(re_split_attr_c);
	for (var j=0; j < split_c.length; j++) {
	var c_attr = split_c[j].split(/=/);
	var val = c_attr[1].replace(/"/g, '');
	item['attrs'][c_attr[0]] = val != 'true' ? parseInt(val) : val;
	}

	//Get suggestions
	item['suggestions'] = new Array();
	var only_text = matched_c[i].replace(/<[^>]*>/g, '');
	var split_t = only_text.split(re_split_text);
	for (var k=0; k < split_t.length; k++) {
	if(split_t[k] != '')
	item['suggestions'].push(split_t[k]);
	}
	results.push(item);
	}

	return results;
	}


	//////
	// Error menu functions
	/////
	this.createErrorWindow = function() {
	this.error_window = document.createElement('div');
	$(this.error_window).addClass('googie_window').attr('googie_action_btn', '1');
	}

	this.isErrorWindowShown = function() {
	return $(this.error_window).is(':visible');
	}

	this.hideErrorWindow = function() {
	$(this.error_window).css('visibility', 'hidden');
	$(this.error_window_iframe).css('visibility', 'hidden');
	}

	this.updateOrginalText = function(offset, old_value, new_value, id) {
	var part_1 = this.orginal_text.substring(0, offset);
	var part_2 = this.orginal_text.substring(offset+old_value.length);
	this.orginal_text = part_1 + new_value + part_2;
	$(this.text_area).val(this.orginal_text);
	var add_2_offset = new_value.length - old_value.length;
	for (var j=0; j < this.results.length; j++) {
	//Don't edit the offset of the current item
	if (j != id && j > id)
	this.results[j]['attrs']['o'] += add_2_offset;
	}
	}

	this.saveOldValue = function(elm, old_value) {
	elm.is_changed = true;
	elm.old_value = old_value;
	}

	this.createListSeparator = function() {
	var td = document.createElement('td');
	var tr = document.createElement('tr');

	$(td).html(' ').attr('googie_action_btn', '1')
	.css({'cursor': 'default', 'font-size': '3px', 'border-top': '1px solid #ccc', 'padding-top': '3px'});
	tr.appendChild(td);

	return tr;
	}

	this.correctError = function(id, elm, l_elm, rm_pre_space) {
	var old_value = elm.innerHTML;
	var new_value = l_elm.nodeType == 3 ? l_elm.nodeValue : l_elm.innerHTML;
	var offset = this.results[id]['attrs']['o'];

	if (rm_pre_space) {
	var pre_length = elm.previousSibling.innerHTML;
	elm.previousSibling.innerHTML = pre_length.slice(0, pre_length.length-1);
	old_value = " " + old_value;
	offset--;
	}

	this.hideErrorWindow();
	this.updateOrginalText(offset, old_value, new_value, id);

	$(elm).html(new_value).css('color', 'green').attr('is_corrected', true);

	this.results[id]['attrs']['l'] = new_value.length;

	if (!this.isDefined(elm.old_value))
	this.saveOldValue(elm, old_value);

	this.errorFixed();
	}

	this.showErrorWindow = function(elm, id) {
	if (this.show_menu_observer)
	this.show_menu_observer(this);

	var ref = this;
	var pos = $(elm).offset();
	pos.top -= this.edit_layer.scrollTop;

	$(this.error_window).css({'visibility': 'visible',
	'top': (pos.top+20)+'px', 'left': (pos.left)+'px'}).html('');

	var table = document.createElement('table');
	var list = document.createElement('tbody');

	$(table).addClass('googie_list').attr('googie_action_btn', '1');

	//Check if we should use custom menu builder, if not we use the default
	var changed = false;
	for (var k=0; k<this.custom_menu_builder.length; k++) {
	var eb = this.custom_menu_builder[k];
	if(eb[0]((this.results[id]))){
	changed = eb[1](this, list, elm);
	break;
	}
	}
	if (!changed) {
	//Build up the result list
	var suggestions = this.results[id]['suggestions'];
	var offset = this.results[id]['attrs']['o'];
	var len = this.results[id]['attrs']['l'];

	if (suggestions.length == 0) {
	var row = document.createElement('tr');
	var item = document.createElement('td');
	var dummy = document.createElement('span');

	$(dummy).text(this.lang_no_suggestions);
	$(item).attr('googie_action_btn', '1').css('cursor', 'default');

	item.appendChild(dummy);
	row.appendChild(item);
	list.appendChild(row);
	}

	for (i=0; i < suggestions.length; i++) {
	var row = document.createElement('tr');
	var item = document.createElement('td');
	var dummy = document.createElement('span');

	$(dummy).html(suggestions[i]);

	$(item).bind('mouseover', this.item_onmouseover)
	.bind('mouseout', this.item_onmouseout)
	.bind('click', function(e) { ref.correctError(id, elm, e.target.firstChild) });

	item.appendChild(dummy);
	row.appendChild(item);
	list.appendChild(row);
	}

	//The element is changed, append the revert
	if (elm.is_changed && elm.innerHTML != elm.old_value) {
	var old_value = elm.old_value;
	var revert_row = document.createElement('tr');
	var revert = document.createElement('td');
	var rev_span = document.createElement('span');

	$(rev_span).addClass('googie_list_revert').html(this.lang_revert + ' ' + old_value);

	$(revert).bind('mouseover', this.item_onmouseover)
	.bind('mouseout', this.item_onmouseout)
	.bind('click', function(e) {
	ref.updateOrginalText(offset, elm.innerHTML, old_value, id);
	$(elm).attr('is_corrected', true).css('color', '#b91414').html(old_value);
	ref.hideErrorWindow();
	});

	revert.appendChild(rev_span);
	revert_row.appendChild(revert);
	list.appendChild(revert_row);
	}

	//Append the edit box
	var edit_row = document.createElement('tr');
	var edit = document.createElement('td');
	var edit_input = document.createElement('input');
	var ok_pic = document.createElement('img');
	var edit_form = document.createElement('form');

	var onsub = function () {
	if (edit_input.value != '') {
	if (!ref.isDefined(elm.old_value))
	ref.saveOldValue(elm, elm.innerHTML);

	ref.updateOrginalText(offset, elm.innerHTML, edit_input.value, id);
	$(elm).attr('is_corrected', true).css('color', 'green').html(edit_input.value);
	ref.hideErrorWindow();
	}
	return false;
	};

	$(edit_input).width(120).css({'margin': 0, 'padding': 0});
	$(edit_input).val(elm.innerHTML).attr('googie_action_btn', '1');
	$(edit).css('cursor', 'default').attr('googie_action_btn', '1');

	$(ok_pic).attr('src', this.img_dir + 'ok.gif')
	.width(32).height(16)
	.css({'cursor': 'pointer', 'margin-left': '2px', 'margin-right': '2px'})
	.bind('click', onsub);

	$(edit_form).attr('googie_action_btn', '1')
	.css({'margin': 0, 'padding': 0, 'cursor': 'default', 'white-space': 'nowrap'})
	.bind('submit', onsub);

	edit_form.appendChild(edit_input);
	edit_form.appendChild(ok_pic);
	edit.appendChild(edit_form);
	edit_row.appendChild(edit);
	list.appendChild(edit_row);

	//Append extra menu items
	if (this.extra_menu_items.length > 0)
	list.appendChild(this.createListSeparator());

	var loop = function(i) {
	if (i < ref.extra_menu_items.length) {
	var e_elm = ref.extra_menu_items[i];

	if (!e_elm[2] \|\| e_elm[2](elm, ref)) {
	var e_row = document.createElement('tr');
	var e_col = document.createElement('td');

	$(e_col).html(e_elm[0])
	.bind('mouseover', ref.item_onmouseover)
	.bind('mouseout', ref.item_onmouseout)
	.bind('click', function() { return e_elm[1](elm, ref) });

	e_row.appendChild(e_col);
	list.appendChild(e_row);
	}
	loop(i+1);
	}
	}

	loop(0);
	loop = null;

	//Close button
	if (this.use_close_btn) {
	list.appendChild(this.createCloseButton(this.hideErrorWindow));
	}
	}

	table.appendChild(list);
	this.error_window.appendChild(table);

	//Dummy for IE - dropdown bug fix
	if ($.browser.msie) {
	if (!this.error_window_iframe) {
	var iframe = $('<iframe>').css({'position': 'absolute', 'z-index': -1});
	$('body').append(iframe);
	this.error_window_iframe = iframe;
	}

	$(this.error_window_iframe).css({'visibility': 'visible',
	'top': this.error_window.offsetTop, 'left': this.error_window.offsetLeft,
	'width': this.error_window.offsetWidth, 'height': this.error_window.offsetHeight});
	}
	}


	//////
	// Edit layer (the layer where the suggestions are stored)
	//////
	this.createEditLayer = function(width, height) {
	this.edit_layer = document.createElement('div');
	$(this.edit_layer).addClass('googie_edit_layer').width(width-10).height(height);

	if (this.text_area.nodeName.toLowerCase() != 'input' \|\| $(this.text_area).val() == '') {
	$(this.edit_layer).css('overflow', 'auto').height(height-4);
	} else {
	$(this.edit_layer).css('overflow', 'hidden');
	}

	var ref = this;
	if (this.edit_layer_dbl_click) {
	$(this.edit_layer).bind('click', function(e) {
	if (e.target.className != 'googie_link' && !ref.isErrorWindowShown()) {
	ref.resumeEditing();
	var fn1 = function() {
	$(ref.text_area).focus();
	fn1 = null;
	};
	window.setTimeout(fn1, 10);
	}
	return false;
	});
	}
	}

	this.resumeEditing = function() {
	this.setStateChanged('ready');

	if (this.edit_layer)
	this.el_scroll_top = this.edit_layer.scrollTop;

	this.hideErrorWindow();

	if (this.main_controller)
	$(this.spell_span).removeClass().addClass('googie_no_style');

	if (!this.ignore) {
	if (this.use_focus) {
	$(this.focus_link_t).remove();
	$(this.focus_link_b).remove();
	}

	$(this.edit_layer).remove();
	$(this.text_area).show();

	if (this.el_scroll_top != undefined)
	this.text_area.scrollTop = this.el_scroll_top;
	}
	this.checkSpellingState(false);
	}

	this.createErrorLink = function(text, id) {
	var elm = document.createElement('span');
	var ref = this;
	var d = function (e) {
	ref.showErrorWindow(elm, id);
	d = null;
	return false;
	};

	$(elm).html(text).addClass('googie_link').bind('click', d)
	.attr({'googie_action_btn' : '1', 'g_id' : id, 'is_corrected' : false});

	return elm;
	}

	this.createPart = function(txt_part) {
	if (txt_part == " ")
	return document.createTextNode(" ");

	txt_part = this.escapeSpecial(txt_part);
	txt_part = txt_part.replace(/\n/g, "<br>");
	txt_part = txt_part.replace(/ /g, "  ");
	txt_part = txt_part.replace(/^ /g, " ");
	txt_part = txt_part.replace(/ $/g, " ");

	var span = document.createElement('span');
	$(span).html(txt_part);
	return span;
	}

	this.showErrorsInIframe = function() {
	var output = document.createElement('div')
	var pointer = 0;
	var results = this.results;

	if (results.length > 0) {
	for (var i=0; i < results.length; i++) {
	var offset = results[i]['attrs']['o'];
	var len = results[i]['attrs']['l'];
	var part_1_text = this.orginal_text.substring(pointer, offset);
	var part_1 = this.createPart(part_1_text);

	output.appendChild(part_1);
	pointer += offset - pointer;

	//If the last child was an error, then insert some space
	var err_link = this.createErrorLink(this.orginal_text.substr(offset, len), i);
	this.error_links.push(err_link);
	output.appendChild(err_link);
	pointer += len;
	}
	//Insert the rest of the orginal text
	var part_2_text = this.orginal_text.substr(pointer, this.orginal_text.length);
	var part_2 = this.createPart(part_2_text);

	output.appendChild(part_2);
	}
	else
	output.innerHTML = this.orginal_text;

	$(output).css('text-align', 'left');

	var me = this;
	if (this.custom_item_evaulator)
	$.map(this.error_links, function(elm){me.custom_item_evaulator(me, elm)});

	$(this.edit_layer).append(output);

	//Hide text area and show edit layer
	$(this.text_area).hide();
	$(this.edit_layer).insertBefore(this.text_area);

	if (this.use_focus) {
	this.focus_link_t = this.createFocusLink('focus_t');
	this.focus_link_b = this.createFocusLink('focus_b');

	$(this.focus_link_t).insertBefore(this.edit_layer);
	$(this.focus_link_b).insertAfter(this.edit_layer);
	}

	// this.edit_layer.scrollTop = this.ta_scroll_top;
	}


	//////
	// Choose language menu
	//////
	this.createLangWindow = function() {
	this.language_window = document.createElement('div');
	$(this.language_window).addClass('googie_window')
	.width(100).attr('googie_action_btn', '1');

	//Build up the result list
	var table = document.createElement('table');
	var list = document.createElement('tbody');
	var ref = this;

	$(table).addClass('googie_list').width('100%');
	this.lang_elms = new Array();

	for (i=0; i < this.langlist_codes.length; i++) {
	var row = document.createElement('tr');
	var item = document.createElement('td');
	var span = document.createElement('span');

	$(span).text(this.lang_to_word[this.langlist_codes[i]]);
	this.lang_elms.push(item);

	$(item).attr('googieId', this.langlist_codes[i])
	.bind('click', function(e) {
	ref.deHighlightCurSel();
	ref.setCurrentLanguage($(this).attr('googieId'));

	if (ref.lang_state_observer != null) {
	ref.lang_state_observer();
	}

	ref.highlightCurSel();
	ref.hideLangWindow();
	})
	.bind('mouseover', function(e) {
	if (this.className != "googie_list_selected")
	this.className = "googie_list_onhover";
	})
	.bind('mouseout', function(e) {
	if (this.className != "googie_list_selected")
	this.className = "googie_list_onout";
	});

	item.appendChild(span);
	row.appendChild(item);
	list.appendChild(row);
	}

	//Close button
	if (this.use_close_btn) {
	list.appendChild(this.createCloseButton(function () { ref.hideLangWindow.apply(ref) }));
	}

	this.highlightCurSel();

	table.appendChild(list);
	this.language_window.appendChild(table);
	}

	this.isLangWindowShown = function() {
	return $(this.language_window).is(':hidden');
	}

	this.hideLangWindow = function() {
	$(this.language_window).css('visibility', 'hidden');
	$(this.switch_lan_pic).removeClass().addClass('googie_lang_3d_on');
	}

	this.deHighlightCurSel = function() {
	$(this.lang_cur_elm).removeClass().addClass('googie_list_onout');
	}

	this.highlightCurSel = function() {
	if (GOOGIE_CUR_LANG == null)
	GOOGIE_CUR_LANG = GOOGIE_DEFAULT_LANG;
	for (var i=0; i < this.lang_elms.length; i++) {
	if ($(this.lang_elms[i]).attr('googieId') == GOOGIE_CUR_LANG) {
	this.lang_elms[i].className = "googie_list_selected";
	this.lang_cur_elm = this.lang_elms[i];
	}
	else {
	this.lang_elms[i].className = "googie_list_onout";
	}
	}
	}

	this.showLangWindow = function(elm) {
	if (this.show_menu_observer)
	this.show_menu_observer(this);

	this.createLangWindow();
	$('body').append(this.language_window);

	var pos = $(elm).offset();
	var top = pos.top + $(elm).height();
	var left = this.change_lang_pic_placement == 'right' ?
	pos.left - 100 + $(elm).width() : pos.left + $(elm).width();

	$(this.language_window).css({'visibility': 'visible', 'top' : top+'px','left' : left+'px'});

	this.highlightCurSel();
	}

	this.createChangeLangPic = function() {
	var img = $('<img>')
	.attr({src: this.img_dir + 'change_lang.gif', 'alt': 'Change language', 'googie_action_btn': '1'});

	var switch_lan = document.createElement('span');
	var ref = this;

	$(switch_lan).addClass('googie_lang_3d_on')
	.append(img)
	.bind('click', function(e) {
	var elm = this.tagName.toLowerCase() == 'img' ? this.parentNode : this;
	if($(elm).hasClass('googie_lang_3d_click')) {
	elm.className = 'googie_lang_3d_on';
	ref.hideLangWindow();
	}
	else {
	elm.className = 'googie_lang_3d_click';
	ref.showLangWindow(elm);
	}
	});

	return switch_lan;
	}

	this.createSpellDiv = function() {
	var span = document.createElement('span');

	$(span).addClass('googie_check_spelling_link').text(this.lang_chck_spell);

	if (this.show_spell_img) {
	$(span).append(' ').append($('<img>').attr('src', this.img_dir + 'spellc.gif'));
	}
	return span;
	}


	//////
	// State functions
	/////
	this.flashNoSpellingErrorState = function(on_finish) {
	this.setStateChanged('no_error_found');

	var ref = this;
	if (this.main_controller) {
	var no_spell_errors;
	if (on_finish) {
	var fn = function() {
	on_finish();
	ref.checkSpellingState();
	};
	no_spell_errors = fn;
	}
	else
	no_spell_errors = function () { ref.checkSpellingState() };

	var rsm = $('<span>').text(this.lang_no_error_found);

	$(this.switch_lan_pic).hide();
	$(this.spell_span).empty().append(rsm)
	.removeClass().addClass('googie_check_spelling_ok');

	window.setTimeout(no_spell_errors, 1000);
	}
	}

	this.resumeEditingState = function() {
	this.setStateChanged('resume_editing');

	//Change link text to resume
	if (this.main_controller) {
	var rsm = $('<span>').text(this.lang_rsm_edt);
	var ref = this;

	$(this.switch_lan_pic).hide();
	$(this.spell_span).empty().unbind().append(rsm)
	.bind('click', function() { ref.resumeEditing() })
	.removeClass().addClass('googie_resume_editing');
	}

	try { this.edit_layer.scrollTop = this.ta_scroll_top; }
	catch (e) {};
	}

	this.checkSpellingState = function(fire) {
	if (fire)
	this.setStateChanged('ready');

	if (this.show_change_lang_pic)
	this.switch_lan_pic = this.createChangeLangPic();
	else
	this.switch_lan_pic = document.createElement('span');

	var span_chck = this.createSpellDiv();
	var ref = this;

	if (this.custom_spellcheck_starter)
	$(span_chck).bind('click', function(e) { ref.custom_spellcheck_starter() });
	else {
	$(span_chck).bind('click', function(e) { ref.spellCheck() });
	}

	if (this.main_controller) {
	if (this.change_lang_pic_placement == 'left') {
	$(this.spell_container).empty().append(this.switch_lan_pic).append(' ').append(span_chck);
	} else {
	$(this.spell_container).empty().append(span_chck).append(' ').append(this.switch_lan_pic);
	}
	}

	this.spell_span = span_chck;
	}


	//////
	// Misc. functions
	/////
	this.isDefined = function(o) {
	return (o != 'undefined' && o != null)
	}

	this.errorFixed = function() {
	this.cnt_errors_fixed++;
	if (this.all_errors_fixed_observer)
	if (this.cnt_errors_fixed == this.cnt_errors) {
	this.hideErrorWindow();
	this.all_errors_fixed_observer();
	}
	}

	this.errorFound = function() {
	this.cnt_errors++;
	}

	this.createCloseButton = function(c_fn) {
	return this.createButton(this.lang_close, 'googie_list_close', c_fn);
	}

	this.createButton = function(name, css_class, c_fn) {
	var btn_row = document.createElement('tr');
	var btn = document.createElement('td');
	var spn_btn;

	if (css_class) {
	spn_btn = document.createElement('span');
	$(spn_btn).addClass(css_class).html(name);
	} else {
	spn_btn = document.createTextNode(name);
	}

	$(btn).bind('click', c_fn)
	.bind('mouseover', this.item_onmouseover)
	.bind('mouseout', this.item_onmouseout);

	btn.appendChild(spn_btn);
	btn_row.appendChild(btn);

	return btn_row;
	}

	this.removeIndicator = function(elm) {
	//$(this.indicator).remove();
	// roundcube mod.
	if (window.rcmail)
	rcmail.set_busy(false);
	}

	this.appendIndicator = function(elm) {
	// modified by roundcube
	if (window.rcmail)
	rcmail.set_busy(true, 'checking');
	/*
	this.indicator = document.createElement('img');
	$(this.indicator).attr('src', this.img_dir + 'indicator.gif')
	.css({'margin-right': '5px', 'text-decoration': 'none'}).width(16).height(16);

	if (elm)
	$(this.indicator).insertBefore(elm);
	else
	$('body').append(this.indicator);
	*/
	}

	this.createFocusLink = function(name) {
	var link = document.createElement('a');
	$(link).attr({'href': 'javascript:;', 'name': name});
	return link;
	}

	this.item_onmouseover = function(e) {
	if (this.className != "googie_list_revert" && this.className != "googie_list_close")
	this.className = "googie_list_onhover";
	else
	this.parentNode.className = "googie_list_onhover";
	}
	this.item_onmouseout = function(e) {
	if (this.className != "googie_list_revert" && this.className != "googie_list_close")
	this.className = "googie_list_onout";
	else
	this.parentNode.className = "googie_list_onout";
	}


	};

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