//utilities
function getParameters(param) {
	var qsParm = new Array();
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	for (var i=0; i<parms.length; i++) {
		var pos = parms[i].indexOf('=');
		if (pos > 0) {
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			qsParm[key] = val;
		}
	}
	return qsParm[param];
}

//autocompleter functions
function topic_list(v,cont){
  $.get('/shell/cogdoc/topic_list.php',{q:v,hypertopicService:HYPERTOPIC_SERVICE},
        function(obj){
          var res = [];
          for(var i=0;i<obj.length;i++){
            res.push({ id:i , value:obj[i]});
          }
          cont(res);
        },
        'json')
}
function print_topics(v){ 
  $('#info').html('ID: '+v.id+'<br>VALUE: '+v.value+'<br>INFO: '+v.info+' <i>'+v.extra+'</i>'); 
}

//js function to add a topic to an item
function item_AddTopic(){
 	if($("#topicAutocompleter").val() != '')
 	{
 		var topicName = $("#topicAutocompleter").val();
 		var crumbles = topicName.split("--> ");
 		topicName = crumbles[1];
 		
 		var resource = getParameters('resource');
 		$.get('/shell/cogdoc/item_addTopic.php',
 				{topicName:topicName,itemHref:resource,hypertopicService:HYPERTOPIC_SERVICE},
 				item_ShowTopic
 				);
 	}
 	
	return false;
}



function item_DeleteTopic( name )
{
	if( confirm('Voulez-vous vraiment supprimer le topic '+name+' pour cette entité?') )
	{ 
		var resource = getParameters('resource');
	 	$.get( '/shell/cogdoc/item_deleteTopic.php',{topicName:name,itemHref:resource,hypertopicService:HYPERTOPIC_SERVICE},item_ShowTopic);
	}
}

function item_ShowTopic( data )
{
	var topicDisplay = document.getElementById('topicDisplay');
	while( topicDisplay.hasChildNodes() )
	{
		 topicDisplay.removeChild( topicDisplay.firstChild );
	}
	
	var json = eval('('+data+')');
	$.each( json.topics, function( indice, topic )
	{
		var newImg = document.createElement('img');
		newImg.setAttribute( 'class', 'deleteItemTopicButton' );
		newImg.setAttribute( 'src', '/shell/cogdoc/images/delete.png' );
		newImg.setAttribute( 'border', '0' );
		newImg.setAttribute( 'hspace', '3' );
		newImg.setAttribute( 'onclick', 'item_DeleteTopic("'+topic.name+'");');
		//newImg.onclick = function(){console.info('hhh');};
		topicDisplay.appendChild( newImg );
		var newA = document.createElement('a');
		newA.setAttribute( 'href', '?mod=navigation&resource='+topic.url );
		newA.innerHTML = topic.name;
		topicDisplay.appendChild( newA );
		topicDisplay.innerHTML += ' - ';
	});
}

function topic_DeleteItem(name)
{
	if( confirm('Voulez-vous vraiment supprimer le topic '+name+' pour cette entité?') )
	{ 
		var resource = getParameters('resource');
	 	$.get( '/shell/cogdoc/topic_DeleteItem.php',{itemName:name,topicHref:resource},topic_DisplayItems);
	}
}

function topic_SearchItem()
{
	$.get('/shell/cogdoc/item_search_proxy.php',{query:$('#entityName').val()},topic_ShowItems);
 	
	return false;
}

function topic_ShowItems(data)
{
	itemDisplay = document.getElementById('entityDisplay');
	
	$("#entityDisplay").empty();	
	
	var json = eval('('+data+')');
	//var json = eval(data);
	$.each(json.item,function(indice,item){
	
		var itemBlock = document.createElement('div');
		
		var checkBox 	= document.createElement('input');
		checkBox.type 	= 'checkbox';
		checkBox.setAttribute('id',item.path);	
		checkBox.setAttribute('name','check_'+item.path);	
		
		itemBlock.appendChild(checkBox);
		
		
		var text = document.createTextNode(' '+item.name);
		itemBlock.appendChild(text);
				
		itemDisplay.appendChild(itemBlock);
		
		
			
	});
	
	var br = document.createElement('br');
	itemDisplay.appendChild(br);
	var submit = document.createElement('input');
	submit.type = 'submit';
	submit.id   = 'itemAddSubmit';
	submit.value = 'Ajouter';
	itemDisplay.appendChild(submit);
	
	$("#itemAddSubmit").bind("click",topic_addItems);
}	

function topic_DisplayItems(data)
{
	
	var json = eval('('+data+')');
	if(json.error)
	{
		alert('Cet item existe déjà !');
	}
	else
	{
		if( typeof(json.items) != 'undefined' )
		{
			var itemList = document.getElementById('itemList');
			while( itemList.hasChildNodes() ){
				 itemList.removeChild( itemList.firstChild );
			}
			$.each( json.items, addItemInItemsList );
		}
		else{
			addItemInItemsList( 0, json );
		}
	}
}

function addItemInItemsList( indice, item )
{
	var itemList = document.getElementById('itemList');
	var itemLi 	= document.createElement('li');
	var itemA 	= document.createElement('a');
	itemA.href  = '?mod=navigation&resource='+item.itemHref;
	var itemTxt = document.createTextNode(item.name);
	itemA.appendChild(itemTxt);
	itemLi.appendChild(itemA);
	itemList.appendChild(itemLi);
}

function topic_addItems()
{
	
		var test = $(":checkbox");
		var checkedItems = '';
		jQuery.each(test, function(indice,el){
		
			if(el.checked)
			{
				checkedItems += el.id+"|";
			}
		});
		$.get('/shell/cogdoc/topic_addItem.php',{itemHref:checkedItems,topicHref:getParameters('resource')},function(){ location.reload()});
		//$("#entityDisplay").empty();
			
}

function showDeleteTopicActions() {
	$(".deleteItemTopicButton").show();
}

function item_AddAttribute() {
	
	$.get('/shell/cogdoc/item_addAttribute.php',{itemHref:getParameters('resource'),attributeName:document.getElementById("attributname").value,attributeValue:document.getElementById("attributval").value}, function(){location.reload()});
}

//events binding
$(document).ready(function(){
    $("#topicAutocompleter").autocomplete({ajax_get:topic_list, callback:print_topics, cache:false});
	$("#addTopicButton").bind("click",item_AddTopic);
	$("#searchEntityButton").bind("click",topic_SearchItem);
	$("#deleteTopicAction").bind("click",showDeleteTopicActions);
	$(".deleteItemTopicButton").hide();
	$("#item_AddAttribute").bind("click",item_AddAttribute);
});