text: /**
   * general autocomplete support
   *
   * require jQuery, jquery.textcomplete
   */
  function contact_search(term, callback, backend_url, type, extra_channels, spinelement) {
  	if(spinelement) {
  		$(spinelement).show();
  	}
  	// Check if there is a cached result that contains the same information we would get with a full server-side search
  	var bt = backend_url+type;
  	if(!(bt in contact_search.cache)) contact_search.cache[bt] = {};
  
  	var lterm = term.toLowerCase(); // Ignore case
  	for(var t in contact_search.cache[bt]) {
  		if(lterm.indexOf(t) >= 0) { // A more broad search has been performed already, so use those results
  			$(spinelement).hide();
  			// Filter old results locally
  			var matching = contact_search.cache[bt][t].filter(function (x) { return (x.name.toLowerCase().indexOf(lterm) >= 0 || (typeof x.nick !== 'undefined' && x.nick.toLowerCase().indexOf(lterm) >= 0)); }); // Need to check that nick exists because groups don't have one
  			matching.unshift({taggable:false, text: term, replace: term});
  			setTimeout(function() { callback(matching); } , 1); // Use "pseudo-thread" to avoid some problems
  			return;
  		}
  	}
  
  	var postdata = {
  		start:0,
  		count:100,
  		search:term,
  		type:type,
  	};
  
  	if(typeof extra_channels !== 'undefined' && extra_channels)
  		postdata['extra_channels[]'] = extra_channels;
  
  	$.ajax({
  		type:'POST',
  		url: backend_url,
  		data: postdata,
  		dataType: 'json',
  		success: function(data){
  			// Cache results if we got them all (more information would not improve results)
  			// data.count represents the maximum number of items
  			if(data.items.length -1 < data.count) {
  				contact_search.cache[bt][lterm] = data.items;
  			}
  			var items = data.items.slice(0);
  			items.unshift({taggable:false, text: term, replace: term});
  			callback(items);
  			$(spinelement).hide();
  		},
  	}).fail(function () {callback([]); }); // Callback must be invoked even if something went wrong.
  }
  contact_search.cache = {};
  
  
  function contact_format(item) {
  	// Show contact information if not explicitly told to show something else
  	if(typeof item.text === 'undefined') {
  		var desc = ((item.label) ? item.nick + ' ' + item.label : item.nick);
  		if(typeof desc === 'undefined') desc = '';
  		if(desc) desc = ' ('+desc+')';
  		return "<div class='{0} dropdown-item dropdown-notification clearfix' title='{4}'><img class='menu-img-2' src='{1}'><span class='contactname'>{2}</span><span class='dropdown-sub-text'>{3}</span></div>".format(item.taggable, item.photo, item.name, desc, typeof(item.link) !== 'undefined' ? item.link : desc.replace('(','').replace(')',''));
  	}
  	else
  		return "<div>" + item.text + "</div>";
  }
  
  function smiley_format(item) {
  	return "<div class='dropdown-item'>" + item.icon + ' ' + item.text + "</div>";
  }
  
  function bbco_format(item) {
  	return "<div class='dropdown-item'>" + item + "</div>";
  }
  
  function tag_format(item) {
  	return "<div class='dropdown-item'>" + '#' + item.text + "</div>";
  }
  
  function editor_replace(item) {
  	if(typeof item.replace !== 'undefined') {
  		return '$1$2' + item.replace;
  	}
  
  	// $2 ensures that prefix (@,@!) is preserved
  	var id = item.id;
  	 // 16 chars of hash should be enough. Full hash could be used if it can be done in a visually appealing way.
  	// 16 chars is also the minimum length in the backend (otherwise it's interpreted as a local id).
  	if(id.length > 16) 
  		id = item.id.substring(0,16);
  
  	return '$1$2' + item.nick.replace(' ', '') + '+' + id + ' ';
  }
  
  function basic_replace(item) {
  	if(typeof item.replace !== 'undefined')
  		return '$1'+item.replace;
  
  	return '$1'+item.name+' ';
  }
  
  function trim_replace(item) {
  	if(typeof item.replace !== 'undefined')
  		return '$1'+item.replace;
  
  	return '$1'+item.name;
  }
  
  
  function submit_form(e) {
  	$(e).parents('form').submit();
  }
  
  function getWord(text, caretPos) {
  	var index = text.indexOf(caretPos);
  	var postText = text.substring(caretPos, caretPos+13);
  	if (postText.indexOf('[/list]') > 0 || postText.indexOf('[/checklist]') > 0 || postText.indexOf('[/ul]') > 0 || postText.indexOf('[/ol]') > 0 || postText.indexOf('[/dl]') > 0) {
  		return postText;
  	}
  }
  
  function getCaretPosition(ctrl) {
  	var CaretPos = 0;   // IE Support
  	if (document.selection) {
  		ctrl.focus();
  		var Sel = document.selection.createRange();
  		Sel.moveStart('character', -ctrl.value.length);
  		CaretPos = Sel.text.length;
  	}
  	// Firefox support
  	else if (ctrl.selectionStart || ctrl.selectionStart == '0')
  		CaretPos = ctrl.selectionStart;
  	return (CaretPos);
  }
  
  function setCaretPosition(ctrl, pos){
  	if(ctrl.setSelectionRange) {
  		ctrl.focus();
  		ctrl.setSelectionRange(pos,pos);
  	}
  	else if (ctrl.createTextRange) {
  		var range = ctrl.createTextRange();
  		range.collapse(true);
  		range.moveEnd('character', pos);
  		range.moveStart('character', pos);
  		range.select();
  	}
  }
  
  function listNewLineAutocomplete(id) {
  	var text = document.getElementById(id);
  	var caretPos = getCaretPosition(text)
  	var word = getWord(text.value, caretPos);
  
  	if (word != null) {
  		var textBefore = text.value.substring(0, caretPos);
  		var textAfter  = text.value.substring(caretPos, text.length);
  		var textInsert = (word.indexOf('[/dl]') > 0) ? '\r\n[*=] ' : (word.indexOf('[/checklist]') > 0) ? '\r\n[] ' : '\r\n[*] ';
  		var caretPositionDiff = (word.indexOf('[/dl]') > 0) ? 3 : 1;
  
  		$('#' + id).val(textBefore + textInsert + textAfter);
  		setCaretPosition(text, caretPos + (textInsert.length - caretPositionDiff));
  		return true;
  	}
  	else {
  		return false;
  	}
  }
  
  function string2bb(element) {
  	if(element == 'bold') return 'b';
  	else if(element == 'italic') return 'i';
  	else if(element == 'underline') return 'u';
  	else if(element == 'overline') return 'o';
  	else if(element == 'strike') return 's';
  	else if(element == 'superscript') return 'sup';
  	else if(element == 'subscript') return 'sub';
  	else if(element == 'highlight') return 'hl';
  	else return element;
  }
  
  /**
   * jQuery plugin 'editor_autocomplete'
   */
  (function( $ ) {
  	$.fn.editor_autocomplete = function(backend_url, extra_channels) {
  		if (typeof extra_channels === 'undefined') extra_channels = false;
  
  		// Autocomplete contacts
  		contacts = {
  			match: /(^|\s)(@\!*)([^ \n]+)$/,
  			index: 3,
  			search: function(term, callback) { contact_search(term, callback, backend_url, 'c', extra_channels, spinelement=false); },
  			replace: editor_replace,
  			template: contact_format
  		};
  
  		// Autocomplete forums
  		forums = {
  			match: /(^|\s)(\!\!*)([^ \n]+)$/,
  			index: 3,
  			search: function(term, callback) { contact_search(term, callback, backend_url, 'f', extra_channels, spinelement=false); },
  			replace: editor_replace,
  			template: contact_format
  		};
  
  
  		// Autocomplete hashtags
  		tags = {
  			match: /(^|\s)(\#)([^ \n]{2,})$/,
  			index: 3,
  			search: function(term, callback) { $.getJSON('/hashtags/' + '$f=&t=' + term).done(function(data) { callback($.map(data, function(entry) { return entry.text.toLowerCase().indexOf(term.toLowerCase()) === 0 ? entry : null; })); }); },
  			replace: function(item) { return "$1$2" + item.text + ' '; },
  			context: function(text) { return text.toLowerCase(); },
  			template: tag_format
  		};
  
  
  		smilies = {
  			match: /(^|\s)(:[a-z_:]{2,})$/,
  			index: 2,
  			search: function(term, callback) { $.getJSON('/smilies/json').done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
  			//template: function(item) { return item.icon + item.text; },
  			replace: function(item) { return "$1" + item.text + ' '; },
  			template: smiley_format
  		};
  		this.attr('autocomplete','off');
  		this.textcomplete([contacts,forums,smilies,tags], {className:'acpopup', zIndex:1020});
  	};
  })( jQuery );
  
  /**
   * jQuery plugin 'search_autocomplete'
   */
  (function( $ ) {
  	$.fn.search_autocomplete = function(backend_url) {
  		// Autocomplete contacts
  		contacts = {
  			match: /(^@)([^\n]{3,})$/,
  			index: 2,
  			search: function(term, callback) { contact_search(term, callback, backend_url, 'x', [], spinelement='#nav-search-spinner'); },
  			replace: basic_replace,
  			template: contact_format,
  		};
  
  		// Autocomplete forums
  		forums = {
  			match: /(^\!)([^\n]{3,})$/,
  			index: 2,
  			search: function(term, callback) { contact_search(term, callback, backend_url, 'f', [], spinelement='#nav-search-spinner'); },
  			replace: basic_replace,
  			template: contact_format
  		};
  
  		// Autocomplete hashtags
  		tags = {
  			match: /(^\#)([^ \n]{3,})$/,
  			index: 2,
  			search: function(term, callback) { $.getJSON('/hashtags/' + '$f=&t=' + term).done(function(data) { callback($.map(data, function(entry) { return entry.text.toLowerCase().indexOf(term.toLowerCase()) === 0 ? entry : null; })); }); },
  			replace: function(item) { return "$1" + item.text + ' '; },
  			context: function(text) { return text.toLowerCase(); },
  			template: tag_format
  		};
  
  		this.attr('autocomplete', 'off');
  		var a = this.textcomplete([contacts,forums,tags], {className:'acpopup', maxCount:100, zIndex: 1020, appendTo:'nav'});
  		a.on('textComplete:select', function(e, value, strategy) { submit_form(this); });
  	};
  })( jQuery );
  
  (function( $ ) {
  	$.fn.contact_autocomplete = function(backend_url, typ, autosubmit, onselect) {
  		if(typeof typ === 'undefined') typ = '';
  		if(typeof autosubmit === 'undefined') autosubmit = false;
  
  		// Autocomplete contacts
  		contacts = {
  			match: /(^)([^\n]+)$/,
  			index: 2,
  			search: function(term, callback) { contact_search(term, callback, backend_url, typ,[], spinelement=false); },
  			replace: basic_replace,
  			template: contact_format,
  		};
  
  		this.attr('autocomplete','off');
  		var a = this.textcomplete([contacts], {className:'acpopup', zIndex:1020});
  
  		if(autosubmit)
  			a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
  
  		if(typeof onselect !== 'undefined')
  			a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
  	};
  })( jQuery );
  
  
  (function( $ ) {
  	$.fn.name_autocomplete = function(backend_url, typ, autosubmit, onselect) {
  		if(typeof typ === 'undefined') typ = '';
  		if(typeof autosubmit === 'undefined') autosubmit = false;
  
  		// Autocomplete contacts
  		names = {
  			match: /(^)([^\n]+)$/,
  			index: 2,
  			search: function(term, callback) { contact_search(term, callback, backend_url, typ,[], spinelement=false); },
  			replace: trim_replace,
  			template: contact_format,
  		};
  
  		this.attr('autocomplete','off');
  		var a = this.textcomplete([names], {className:'acpopup', zIndex:1020});
  
  		if(autosubmit)
  			a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
  
  		if(typeof onselect !== 'undefined')
  			a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
  	};
  })( jQuery );
  
  (function( $ ) {
  	$.fn.bbco_autocomplete = function(type) {
  
  		if(type=='bbcode') {
  			var open_close_elements = ['bold', 'italic', 'underline', 'overline', 'strike', 'superscript', 'subscript', 'quote', 'code', 'open', 'spoiler', 'map', 'nobb', 'list', 'checklist', 'ul', 'ol', 'dl', 'li', 'table', 'tr', 'th', 'td', 'center', 'color', 'font', 'size', 'zrl', 'zmg', 'rpost', 'qr', 'observer', 'observer.language','embed', 'highlight', 'url', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'];
  			var open_elements = ['observer.baseurl', 'observer.address', 'observer.photo', 'observer.name', 'observer.webname', 'observer.url', '*', 'hr',  ];
  
  			var elements = open_close_elements.concat(open_elements);
  		}
  
  		if(type=='comanche') {
  			var open_close_elements = ['region', 'layout', 'template', 'theme', 'widget', 'block', 'menu', 'var', 'css', 'js', 'authored', 'comment', 'webpage'];
  			var open_elements = [];
  
  			var elements = open_close_elements.concat(open_elements);
  		}
  
  		if(type=='comanche-block') {
  			var open_close_elements = ['menu', 'var'];
  			var open_elements = [];
  
  			var elements = open_close_elements.concat(open_elements);
  		}
  
  		bbco = {
  			match: /\[(\w*\**)$/,
  			search: function (term, callback) {
  				callback($.map(elements, function (element) {
  					return element.indexOf(term) === 0 ? element : null;
  				}));
  			},
  			index: 1,
  			replace: function (element) {
  				element = string2bb(element);
  				if(open_elements.indexOf(element) < 0) {
  					if(element === 'list' || element === 'ol' || element === 'ul') {
  						return ['\[' + element + '\]' + '\n\[*\] ', '\n\[/' + element + '\]'];
  					} else if(element === 'checklist') {
  						return ['\[' + element + '\]' + '\n\[\] ', '\n\[/' + element + '\]'];
  					} else if (element === 'dl') {
  						return ['\[' + element + '\]' + '\n\[*=Item name\] ', '\n\[/' + element + '\]'];
  					} else if(element === 'table') {
  						return ['\[' + element + '\]' + '\n\[tr\]', '\[/tr\]\n\[/' + element + '\]'];
  					} else if(element === 'observer') {
  						return ['\[' + element + '=1\]', '\[/observer\]'];
  					} else if(element === 'observer.language') {
  						return ['\[' + element + '=en\]', '\[/observer\]'];
  					}
  					else {
  						return ['\[' + element + '\]', '\[/' + element + '\]'];
  					}
  				}
  				else {
  					return '\[' + element + '\] ';
  				}
  			},
  			template: bbco_format
  		};
  
  		this.attr('autocomplete','off');
  		var a = this.textcomplete([bbco], {className:'acpopup', zIndex:1020});
  
  		a.on('textComplete:select', function(e, value, strategy) { value; });
  
  		a.keypress(function(e){
  			if (e.keyCode == 13) {
  				var x = listNewLineAutocomplete(this.id);
  				if(x) {
  					e.stopImmediatePropagation();
  					e.preventDefault();
  				}
  			}
  		});
  	};
  })( jQuery );
  
  