var IPS_Lite_Editor=new Array();
function ips_text_editor_lite(editor_id){
	this.editor_id=editor_id;
	this.control_obj=document.getElementById(editor_id+'-controls');
	this.initialized=false;
	this.buttons=new Array();
	this.fonts=new Array();
	this.state=new Array();
	this.text_obj=document.getElementById(this.editor_id+'_textarea');
	this.open_brace='[';
	this.close_brace=']';
	this.editor_document=this.text_obj;
	this.editor_window=this.editor_document;
	this._ie_cache=null;
	this.is_ie=is_ie;
	this.is_moz=is_moz;
	this.is_opera=is_opera;
	this.has_focus=false;
	this.emoticon_window_id=null;
	
	this.init=function(){
		var controls=new Array();
		if(!this.control_obj){return;}
		var items=this.control_obj.getElementsByTagName("DIV");
		for(var i=0;i<items.length;i++){
			if((items[i].className=='rte-normal'||items[i].className=='rte-menu-button'||items[i].className=='rte-normal-menubutton')&&items[i].id){
				controls[controls.length]=items[i].id;
			}
		}
		for(var i=0;i<controls.length;i++){
			var control=document.getElementById(controls[i]);
			if(control.className=='rte-normal'){
				this.init_editor_button(control);
			}else if(control.className=='rte-menu-button'||control.className=='rte-normal-menubutton'){
				this.init_editor_popup_button(control);
			}
		}
		this.text_obj.onfocus=ips_editor_events.prototype.editor_window_onfocus;
		this.text_obj.onblur=ips_editor_events.prototype.editor_window_onblur;
		if(this.editor_document.addEventListener){
			this.editor_document.addEventListener('keypress',ips_editor_events.prototype.editor_document_onkeypress,false);
		}
	};
	
	this.editor_check_focus=function(){
		if(!this.text_obj.has_focus){
			if(this.is_opera){
				this.text_obj.focus();
			}
			try{
				this.text_obj.focus();
			}catch(err){
				return false;
			}
		}
		return true;
	};
	
	this.init_editor_button=function(obj){
		obj.cmd=obj.id.replace(new RegExp('^'+this.editor_id+'_cmd_(.+?)$'),'$1');
		obj.editor_id=this.editor_id;
		this.buttons[obj.cmd]=obj;
		obj.state=false;
		obj.mode='normal';
		obj.real_type='button';
		obj.onclick=ips_editor_events.prototype.button_onmouse_event;
		obj.onmousedown=ips_editor_events.prototype.button_onmouse_event;
		obj.onmouseover=ips_editor_events.prototype.button_onmouse_event;
		obj.onmouseout=ips_editor_events.prototype.button_onmouse_event;
	};
	
	this.set_button_context=function(obj,state,type){
		if(typeof type=='undefined'){
			type='button';
		}
		switch(obj.state){
			case true:{
				switch(state){
					case 'mouseout':{
						this.editor_set_ctl_style(obj,'button','selected');
						break;
					}
					case 'mouseover':case 'mousedown':case 'mouseup':{
						this.editor_set_ctl_style(obj,type,'down');
						break;
					}
				}
				break;
			}
			default:{
				switch(state){
					case 'mouseout':{
						this.editor_set_ctl_style(obj,type,'normal');
						break;
					}
					case 'mousedown':{
						this.editor_set_ctl_style(obj,type,'down');
						break;
					}
					case 'mouseover':case 'mouseup':{
						this.editor_set_ctl_style(obj,type,'hover');
						break;
					}
				}
				break;
			}
		}
	};
	
	this.editor_set_ctl_style=function(obj,type,mode){
		if(obj.mode!=mode){
			var extra='';
			if(type=='menu'){
				extra='-menu';
			}else if(type=='menubutton'){
				extra='-menubutton';
			}
			extra+=obj.colorname?'-color':'';
			extra+=obj.emo_id?'-emo':'';
			obj.mode=mode;
			try{
				switch(mode){
					case "normal":{
						obj.className='rte-normal'+extra;
					}
					break;
					case "hover":{
						obj.className='rte-hover'+extra;
					}
					break;
					case "selected":case "down":{
						obj.className='rte-selected'+extra;
					}
					break;
				}
			}catch(e){}
		}
	};
	
	this.format_text=function(e,command,arg){
		e=ipsclass.cancel_bubble(e,true);
		if(command.match( /resize_/)){
			this.resize_editorbox(command.replace( /.+?resize_(up|down)/,"$1"));
		}
		if(command.match( /emoticon/)){
			this.show_all_emoticons();
		}
		this.editor_check_focus();
		if(this[command]){
			var return_val=this[command](e);
		}else{
			try{
				var return_val=this.apply_formatting(command,false,(typeof arg=='undefined'?true:arg));
			}catch(e){
				var return_val=false;
			}
		}
		this.editor_check_focus();
		return return_val;
	};
	
	this.createlink=function(){var _url=prompt(ipb_global_lang['editor_enter_url'],'http://');if(!_url||_url==null||_url=='http://'){return false;}var _text=this.get_selection();_text=_text?_text:prompt(ipb_global_lang['editor_enter_title']);if(!_text||_text==null){return false;}this.wrap_tags('url',_url,_text);};
	
	this.insertimage=function(){var _text=this.get_selection();var _url=prompt(ipb_global_lang['editor_enter_image'],_text?_text:"http://");if(!_url||_url==null||_url=='http://'){return false;}this.wrap_tags('img',false,_url);};
	
	this.youtube=function(){
		var _text=this.get_selection();
		var _url=prompt('Inserire il codice del video youtube',_text?_text:"");
		if(!_url||_url==null||_url==''){
			return false;
		}
		_url  = _url.replace( /(.*)youtube.com\/watch\?v=([\w])/g, '$2' );
		this.wrap_tags('youtube',false,_url);
	};
	
	this.ipb_quote=function(){var _text=this.get_selection();this.wrap_tags('quote',false,_text);};
	
	this.ipb_code=function(){var _text=this.get_selection();this.wrap_tags('code',false,_text);};
	
	this.spoiler=function(){var _text=this.get_selection();this.wrap_tags('spoiler',false,_text);};
	
	this.apply_formatting=function(cmd,dialog,argument){switch(cmd){case 'bold':case 'italic':case 'underline':{this.wrap_tags(cmd.substr(0,1),false);return;}case 'justifyleft':case 'justifycenter':case 'justifyright':{this.wrap_tags(cmd.substr(7),false);return;}case 'indent':{this.wrap_tags(cmd,false);return;}case 'createlink':{var sel=this.get_selection();if(sel){this.wrap_tags('url',argument);}else{this.wrap_tags('url',argument,argument);}return;}case 'fontname':{this.wrap_tags('font',argument);return;}case 'fontsize':{this.wrap_tags('size',argument);return;}case 'forecolor':{this.wrap_tags('color',argument);return;}case 'backcolor':{this.wrap_tags('background',argument);return;}case 'insertimage':{this.wrap_tags('img',false,argument);return;}case 'strikethrough':{this.wrap_tags('strike',false);return;}case 'superscript':{this.wrap_tags('sup',false);return;}case 'subscript':{this.wrap_tags('sub',false);return;}case 'removeformat':return;}};
	
	this.wrap_tags=function(tag_name,has_option,selected_text){var tag_close=tag_name;if(typeof selected_text=='undefined'){selected_text=this.get_selection();selected_text=(selected_text===false)?'':new String(selected_text);}if(has_option===true){var option=prompt(ips_language_array['js_rte_optionals']?ips_language_array['js_rte_optionals']:"Enter the optional arguments for this tag",'');if(option){var opentag=this.open_brace+tag_name+'="'+option+'"'+this.close_brace;}else{return false;}}else if(has_option!==false){var opentag=this.open_brace+tag_name+'="'+has_option+'"'+this.close_brace;}else{var opentag=this.open_brace+tag_name+this.close_brace;}var closetag=this.open_brace+'/'+tag_close+this.close_brace;var text=opentag+selected_text+closetag;this.insert_text(text);return false;};
	
	this.wrap_tags_lite=function(start_text,close_text){selected_text=this.get_selection();selected_text=(selected_text===false)?'':new String(selected_text);this.insert_text(start_text+selected_text+close_text);return false;};
	
	this.editor_get_contents=function(){return this.editor_document.value;};
	
	this.get_selection=function(){if(typeof(this.editor_document.selectionStart)!='undefined'){return this.editor_document.value.substr(this.editor_document.selectionStart,this.editor_document.selectionEnd-this.editor_document.selectionStart);}else if((document.selection&&document.selection.createRange)||this._ie_cache){return this._ie_cache?this._ie_cache.text:document.selection.createRange().text;}else if(window.getSelection){return window.getSelection()+'';}else{return false;}};
	
	this.insert_text=function(text){if(this.editor_check_focus()==false){return false;}if(typeof(this.editor_document.selectionStart)!='undefined'){var open=this.editor_document.selectionStart+0;var st=this.editor_document.scrollTop;this.editor_document.value=this.editor_document.value.substr(0,this.editor_document.selectionStart)+text+this.editor_document.value.substr(this.editor_document.selectionEnd);if(!text.match(new RegExp("\\" + this.open_brace + "(\\S+?)" + "\\" + this.close_brace + "\\" + this.open_brace + "/(\\S+?)" + "\\" + this.close_brace ) ) )
{
this.editor_document.selectionStart = open;
this.editor_document.selectionEnd   = open + text.length;
this.editor_document.scrollTop      = st;
}
}
else if ( ( document.selection && document.selection.createRange ) || this._ie_cache )
{
var sel  = this._ie_cache ? this._ie_cache : document.selection.createRange();
sel.text = text.replace(/\r?\n/g, '\r\n');
sel.select();
}
else
{
this.editor_document.value += text;
}
this._ie_cache = null;
};

this.show_all_emoticons = function()
{
if ( typeof( this.emoticon_window_id ) != null )
{
this.emoticon_window_id = window.open( ipb_var_base_url + "act=legends&CODE=emoticons&_lite=1&editor_id=" + editor_id,"Legends","width=250,height=500,resizable=yes,scrollbars=yes");
}
else
{
this.emoticon_window_id.focus();
}
return false;
};

this.insert_emoticon = function( emo_id, emo_image, emo_code, event )
{
emo_code = ipsclass.un_htmlspecialchars( emo_code );
this.wrap_tags_lite( " " + emo_code, " ");
if ( this.is_ie )
{
if ( IPS_Lite_Editor[ this.editor_id ].emoticon_window_id != '' && typeof( IPS_Lite_Editor[ this.editor_id ].emoticon_window_id ) != 'undefined' )
{
IPS_Lite_Editor[ this.editor_id ].emoticon_window_id.focus();
}
}
};

this.resize_editorbox = function( direction )
{
var inc_value	   = 100;
var current_height = parseInt( this.text_obj.style.height );
var new_height     = 0;
current_height     = current_height ? current_height : 200;
if ( current_height >= 50 )
{
if ( direction == 'up' )
{
new_height = current_height - inc_value;
}
else
{
new_height = current_height + inc_value;
}
if ( new_height > 149 )
{
this.text_obj.style.height = new_height + 'px';
}
}
};
};

function ips_editor_events()
{
}

ips_editor_events.prototype.button_onmouse_event = function(e)
{
	if ( is_ie ){
		e = ipsclass.cancel_bubble(e, true);
	}
	if ( e.type == 'click' ){
		IPS_Lite_Editor[this.editor_id].format_text(e, this.cmd, false, true);
	}
	IPS_Lite_Editor[this.editor_id].set_button_context(this, e.type);
};

ips_editor_events.prototype.editor_window_onfocus = function(e)
{
this.has_focus = true;
};

ips_editor_events.prototype.editor_window_onblur = function(e)
{
this.has_focus = false;
};

ips_editor_events.prototype.editor_document_onkeypress = function(e)
{	
if ( e.ctrlKey )
{
switch (String.fromCharCode(e.charCode).toLowerCase())
{
case 'b': cmd = 'bold';      break;
case 'i': cmd = 'italic';    break;
case 'u': cmd = 'underline'; break;
default: return;
}
e.preventDefault();
IPS_Lite_Editor[this.editor_id].apply_formatting(cmd, false, null);
return false;
}
};