/**
 * An autosuggest textbox control.
 * @class
 * @scope public
 */


var suggestionsvisible=false;
var bhide=true;
var thisobj;
var btimerrunning=false;
function AutoSuggestControl(oTextbox /*:HTMLInputElement*/, 
                            oProvider /*:SuggestionProvider*/, oClickButton) { //, UserControlName) {
                            
    /**
     * The currently selected suggestions.
     * @scope private
     */   
    this.cur /*:int*/ = -1;

    /**
     * The dropdown list layer.
     * @scope private
     */
    this.layer = null;
    
    /**
     * Suggestion provider for the autosuggest feature.
     * @scope private.
     */
    this.provider /*:SuggestionProvider*/ = oProvider;
    
    /**
     * The textbox to capture.
     * @scope private
     */
    this.textbox /*:HTMLInputElement*/ = oTextbox;
    

    this.button /*:HTMLInputElement*/ = oClickButton;

    //initialize the control
    this.init();
    
}

/**
 * Autosuggests one or more suggestions for what the user has typed.
 * If no suggestions are passed in, then no autosuggest occurs.
 * @scope private
 * @param aSuggestions An array of suggestion strings.
 * @param bTypeAhead If the control should provide a type ahead suggestion.
 */
AutoSuggestControl.prototype.autosuggest = function (aSuggestions /*:Array*/,
                                                     bTypeAhead /*:boolean*/, bClicked) {


		
    
    //make sure there's at least one suggestion
    if (aSuggestions.length > 0) {
        if (bTypeAhead) {
           this.typeAhead(aSuggestions[0]);
        }
        
        this.showSuggestions(aSuggestions, bClicked);



var hideelementname;
 for (i=0;i<15;i++)
 {        
   if (document.getElementById('hideelement' + i)) {
    hideelementname=document.getElementById('hideelement' + i).value;
		if (document.getElementById(hideelementname)) {
		document.getElementById(hideelementname).style.display="none";
		}
    }
}
        
    } else {
        this.hideSuggestions();
        //redisplaydropdowns();
    }
};

/**
 * Creates the dropdown layer to display multiple suggestions.
 * @scope private
 */
AutoSuggestControl.prototype.createDropDown = function () {

    var oThis = this;

    //create the layer and assign styles
    this.layer = document.createElement("div");
    this.layer.className = "suggestions";
    this.layer.style.visibility = "hidden";
    this.layer.style.width = 200; // this.textbox.offsetWidth;
    this.layer.id = "suggestions"; 
    
    //when the user clicks on the a suggestion, get the text (innerHTML)
    //and place it into a textbox
    this.layer.onmousedown = 
    this.layer.onmouseup = 
    this.layer.onmouseover = function (oEvent) {

        oEvent = oEvent || window.event;
        oTarget = oEvent.target || oEvent.srcElement;
		
		bhide=false;

		
		
		
		//stopHideTimer();
        if (oEvent.type == "mousedown") {
	        if (oTarget.firstChild.nodeValue != null)
		        oThis.textbox.value = oTarget.firstChild.nodeValue;
            oThis.hideSuggestions();
          //  if (isCountry(oThis.textbox.value)==true)
          //  {
          //  showCitiesTextbox;
          //  }
          //  else
          //  {
          //  hideCitiesTextbox;
          //  }
        } else if (oEvent.type == "mouseover") {
		//	stopHideTimer();
            oThis.highlightSuggestion(oTarget);
        } else {
            oThis.textbox.focus();
        }
    };
    
    this.layer.onmouseout = function (oEvent) {
			//startHideTimer(this);
            // oThis.hideSuggestions();
            bhide=true;
//thisobj=this;
if (btimerrunning==false) {
//alert('here');
setTimeout('hideme()',1000); 
//setTimeout('alertme()',2000); 
btimerrunning=true;
}
    };
    
    document.body.appendChild(this.layer);
};


function redisplaydropdowns() {

var hideelementname;
 for (i=0;i<15;i++)
 {        
   if (document.getElementById('hideelement' + i)) {
    hideelementname=document.getElementById('hideelement' + i).value;
		if (document.getElementById(hideelementname)) {
		document.getElementById(hideelementname).style.display="";
		}
    }
}


}

function hideme() {

    if (document.getElementById("suggestions") && bhide==true) {
    document.getElementById("suggestions").style.visibility = "hidden";
    redisplaydropdowns();
    }

    btimerrunning=false;
    
}

//function startHideTimer(me){
//bhide=true;
//thisobj=me;
//if (setTimeout && btimerrunning==false) {
//setTimeout('thisobj.hideSuggestions()',2000); 
//btimerrunning=true;
//}
//alert('settimeout');
//}

function stopHideTimer(){
bhide=false;
}

/**
 * Gets the left coordinate of the textbox.
 * @scope private
 * @return The left coordinate of the textbox in pixels.
 */
AutoSuggestControl.prototype.getLeft = function () /*:int*/ {

    var oNode = this.textbox;
    var iLeft = 0;
     
    while(oNode!=null && oNode.tagName != "BODY") {
        iLeft += oNode.offsetLeft;
        oNode = oNode.offsetParent;        
    }
    
    return iLeft;
};

/**
 * Gets the top coordinate of the textbox.
 * @scope private
 * @return The top coordinate of the textbox in pixels.
 */
AutoSuggestControl.prototype.getTop = function () /*:int*/ {

    var oNode = this.textbox;
    var iTop = 0;
    
    while(oNode!=null && oNode.tagName != "BODY") {
        iTop += oNode.offsetTop;
        oNode = oNode.offsetParent;
    }
    return iTop;
};

/**
 * Handles three keydown events.
 * @scope private
 * @param oEvent The event object for the keydown event.
 */
AutoSuggestControl.prototype.handleKeyDown = function (oEvent /*:Event*/) {

    switch(oEvent.keyCode) {
        case 38: //up arrow
            this.previousSuggestion();
            break;
        case 40: //down arrow 
            this.nextSuggestion();
            break;
        case 13: //enter
            this.hideSuggestions();
            break;
    }

};

/**
 * Handles keyup events.
 * @scope private
 * @param oEvent The event object for the keyup event.
 */
AutoSuggestControl.prototype.handleKeyUp = function (oEvent /*:Event*/) {
//alert(oEvent.type);

    var iKeyCode = oEvent.keyCode;

    //for backspace (8) and delete (46), shows suggestions without typeahead
    if (iKeyCode == 8 || iKeyCode == 46) {
        this.provider.requestSuggestions(this, false, false);
        
    //make sure not to interfere with non-character keys
    } else if (iKeyCode < 32 || (iKeyCode >= 33 && iKeyCode < 46) || (iKeyCode >= 112 && iKeyCode <= 123)) {
        //ignore
    } else {  // Used to have (this, true, false);
        //request suggestions from the suggestion provider with typeahead
        this.provider.requestSuggestions(this, false, false);
    }
};


AutoSuggestControl.prototype.handleTextClick = function (oEvent) {


   sStartString = 'type here';
   
   //sCurrentArrValue=oEvent.srcElement.value.toLowerCase();
   sCurrentArrValue=this.textbox.value.toLowerCase();
 if (sCurrentArrValue.indexOf(sStartString.toLowerCase()) > -1 || sCurrentArrValue == null) {
		this.textbox.value='';
		this.textbox.focus();
        //this.provider.requestSuggestions(this, false, true);
 }
 // else
 //       this.provider.requestSuggestions(this, false, false);

//oEvent.srcElement.value='';        
//oEvent.srcElement.focus();        

//this.textbox.value='';
//this.textbox.focus();

};


AutoSuggestControl.prototype.handleClick = function () {
// Used to have (this, true, false);
        this.provider.requestSuggestions(this, false, true);


            bhide=true;
if (btimerrunning==false) {
setTimeout('hideme()',2000); 
btimerrunning=true;
}

};


/**
 * Hides the suggestion dropdown.
 * @scope private
 */
AutoSuggestControl.prototype.hideSuggestions = function () {
 //   if (bhide==true) {
//    alert('hide');
    this.layer.style.visibility = "hidden";
    
    redisplaydropdowns();
    
//    }
    btimerrunning=false;
};

/**
 * Highlights the given node in the suggestions dropdown.
 * @scope private
 * @param oSuggestionNode The node representing a suggestion in the dropdown.
 */
AutoSuggestControl.prototype.highlightSuggestion = function (oSuggestionNode) {
    
    for (var i=0; i < this.layer.childNodes.length; i++) {
        var oNode = this.layer.childNodes[i];
        if (oNode == oSuggestionNode) {
            oNode.className = "current"
        } else if (oNode.className == "current") {
            oNode.className = "";
        }
    }
};

/**
 * Initializes the textbox with event handlers for
 * auto suggest functionality.
 * @scope private
 */
AutoSuggestControl.prototype.init = function () {
 
    //save a reference to this object
    var oThis = this;
    
    //assign the onkeyup event handler
    this.textbox.onkeyup = function (oEvent) {
    
        //check for the proper location of the event object
        if (!oEvent) {
            oEvent = window.event;
        }    
        
        //call the handleKeyUp() method with the event object
        oThis.handleKeyUp(oEvent);
    };

    this.textbox.onclick = function (oEvent) {
    
        //check for the proper location of the event object
        if (!oEvent) {
            oEvent = window.event;
        }    

        //call the handleKeyUp() method with the event object
        oThis.handleTextClick(oEvent);
    };


    if (this.button != null)  {
    this.button.onclick = function (oEvent) {
    
        //call the handleKeyUp() method with the event object
   //     if (suggestionsvisible==false)
   //     {
        oThis.handleClick();
   //      suggestionsvisible=true;
   //      }
        
    };
    }
 //    document.onclick = function () {
 //       if (suggestionsvisible==true)  
 //       oThis.hideSuggestions();
 //   };

    //this.button.onmouseout = function () {
    //    oThis.hideSuggestions();
    //};

    
    //assign onkeydown event handler
    this.textbox.onkeydown = function (oEvent) {
    
        //check for the proper location of the event object
        if (!oEvent) {
            oEvent = window.event;
        }    
        
        //call the handleKeyDown() method with the event object
        oThis.handleKeyDown(oEvent);
    };
    
    //assign onblur event handler (hides suggestions)    
    this.textbox.onblur = function () {
        oThis.hideSuggestions();
    };
    
    //create the suggestions dropdown
    this.createDropDown();
};

/**
 * Highlights the next suggestion in the dropdown and
 * places the suggestion into the textbox.
 * @scope private
 */
AutoSuggestControl.prototype.nextSuggestion = function () {
    var cSuggestionNodes = this.layer.childNodes;

    if (cSuggestionNodes.length > 0 && this.cur < cSuggestionNodes.length-1) {
        var oNode = cSuggestionNodes[++this.cur];
        this.highlightSuggestion(oNode);
        if (oNode.firstChild.nodeValue != null) {
	        this.textbox.value = oNode.firstChild.nodeValue;
            	        
	        } 
    }
};

/**
 * Highlights the previous suggestion in the dropdown and
 * places the suggestion into the textbox.
 * @scope private
 */
AutoSuggestControl.prototype.previousSuggestion = function () {
    var cSuggestionNodes = this.layer.childNodes;

    if (cSuggestionNodes.length > 0 && this.cur > 0) {
        var oNode = cSuggestionNodes[--this.cur];
        this.highlightSuggestion(oNode);
        this.textbox.value = oNode.firstChild.nodeValue;   
    }
};

/**
 * Selects a range of text in the textbox.
 * @scope public
 * @param iStart The start index (base 0) of the selection.
 * @param iLength The number of characters to select.
 */
AutoSuggestControl.prototype.selectRange = function (iStart /*:int*/, iLength /*:int*/) {

    //use text ranges for Internet Explorer
    if (this.textbox.createTextRange) {
        var oRange = this.textbox.createTextRange(); 
        oRange.moveStart("character", iStart); 
        oRange.moveEnd("character", iLength - this.textbox.value.length);      
        oRange.select();
        
    //use setSelectionRange() for Mozilla
    } else if (this.textbox.setSelectionRange) {
        this.textbox.setSelectionRange(iStart, iLength);
    }     

    //set focus back to the textbox
    this.textbox.focus();      
}; 

/**
 * Builds the suggestion layer contents, moves it into position,
 * and displays the layer.
 * @scope private
 * @param aSuggestions An array of suggestions for the control.
 */
AutoSuggestControl.prototype.showSuggestions = function (aSuggestions /*:Array*/,  bClicked) {
    
    var oDiv = null;
    var twidth = 200; // this.textbox.offsetWidth; 
    this.layer.innerHTML = "";  //clear contents of the layer
    var textnode;
    for (var i=0; i < aSuggestions.length; i++) {
    
    //style="position:absolute; width:155px; height:180px; z-index:1; left: 74px; top: 208px; background-color: #FFFFCC; layer-background-color: #FFFFCC; border: 1px none #000000; overflow: hidden"
        //oDiv = document.createElement("div width:200px;");
        oDiv = document.createElement("div");
        oDiv.style.width=twidth;
        //oDiv = document.createElement('div style="width:' + width + ';"');
        //oDiv.appendChild(document.createTextNode('<span width="100">' + aSuggestions[i] + '</span>'));
        oDiv.appendChild(document.createTextNode(aSuggestions[i]));
        this.layer.appendChild(oDiv);
    }

    this.layer.style.backgroundColor='White';
    this.layer.style.zIndex='200';
    this.layer.style.left = this.getLeft() + "px";
    this.layer.style.top = (this.getTop()+this.textbox.offsetHeight) + "px";
    //this.layer.style.width = this.textbox.offsetWidth; // + "px";
    this.layer.style.visibility = "visible";
 //asd;
// if (bClicked==true)
 //   this.layer.focus();      
//	suggestionsvisible=true;
};


  //  AutoSuggestControl.onblur = function () {
  //      oThis.hideSuggestions();
  //  };


/**
 * Inserts a suggestion into the textbox, highlighting the 
 * suggested part of the text.
 * @scope private
 * @param sSuggestion The suggestion for the textbox.
 */
AutoSuggestControl.prototype.typeAhead = function (sSuggestion /*:String*/) {

    //check for support of typeahead functionality
    if (this.textbox.createTextRange || this.textbox.setSelectionRange){
        var iLen = this.textbox.value.length;
        if (sSuggestion != null)  {
			this.textbox.value = sSuggestion; 
			this.selectRange(iLen, sSuggestion.length);
			}
    }
};

function isCountry(textValue) 
{
var sCurrentArrValue;
 for (var i=0; i < this.states.length; i++) { 
 sCurrentArrValue=this.states[i].toLowerCase();
 if (sCurrentArrValue.indexOf(textValue.toLowerCase()) == 0) {
 return true;
 }
 }
return false;
}