var reEmpty = /^(.+)$/;
var regExNumbers = /^[+]?\d*$/;
var regExLetters = /^[\sA-Za-zא-ת]+$/;

var smartDropManager = 
{
    focusedId: '',
    dropsArray:[],
    masks: [],
    isWorking: false,

    // Hide all smartDrop divs
    HideDrops: function()
    {
        for(var id in this.dropsArray)
        {
            smartDropManager.HideDiv(id);
        }
    },
    
    HideDiv: function(divId)
    {
        if (smartDropManager.IsIE()) // Remove mask for IE
            smartDropManager.RemoveMask(divId);
    
        // hide div
        document.getElementById(divId).className = "hide";  
    },
    
    // Add a smartDrop to the dropsArray
    AddDrop: function(divId, txtId, valueId, poolId, objectType, isSelectionRequired)
    {
        this.dropsArray[divId] = 
        {
            txtId: txtId,
            valueId: valueId,
            poolId: poolId
        };
    },
    
    // Changes the poolType of the requested smartDrop.
    // param "divId": the client ID of the smartDrop's ListDiv whose poolType you want to change.
    ChangeDropPool: function(divId, poolType)
    {
        var hid = document.getElementById(this.dropsArray[divId].poolId);
        hid.value = poolType;
    },
    
    ShowDiv: function(div)
    {
       div.className = 'smartDrop_div_show';
       
       if (smartDropManager.IsIE()) // Add mask for IE
            window.setTimeout('smartDropManager.SetMask("'+div.id+'")', 50);
    },
    
    // Sets the value of the hiddenId belonging to the smartDrop identified by the specified divId
    // param "divId": the client ID of the smartDrop whose value should be set.
    // param "value": the value to set to the smartDrop's hidden
    SetSmartDropValue: function(divId, value)
    {
        document.getElementById(this.dropsArray[divId].valueId).value = value;        
    },
    
    // Returns the value from the hiddenId belonging to the smartDrop identified by the specified divId
    // param "divId": the client ID of the smartDrop whose value to get.
    GetSmartDropValue: function(divId)
    {
        return document.getElementById(this.dropsArray[divId].valueId).value;
    },
    
    GetSmartDropText: function(divId)
    {
        return document.getElementById(this.dropsArray[divId].txtId).value;
    },
    
    SetSmartDropSelection: function(objectName, keyId, divId, doFocus)
    {
        var txt = document.getElementById(this.dropsArray[divId].txtId);
        
        txt.value = objectName;
        //document.getElementById(this.dropsArray[divId].valueId).value = keyId;
        smartDropManager.SetSmartDropValue(divId, keyId);
        
        smartDropManager.HideDiv(divId);
        
        if(doFocus)
            txt.focus();        
    },
    
    SetSmartDropSelectionNoHide: function(objectName, keyId, divId, doFocus)
    {
        var txt = document.getElementById(this.dropsArray[divId].txtId);
        
        txt.value = objectName;

        //document.getElementById(this.dropsArray[divId].valueId).value = keyId;
        smartDropManager.SetSmartDropValue(divId, keyId);
        
    },    
    
//    Validate: function(field, regexp, warning)
//    {
//	    var element = document.getElementById(field);

//	    if (element)
//	    {
//		    var re = new RegExp(regexp);

//		    if (element.value == "" || !element.value.match(re))
//		    {
//			    document.getElementById(field).value = "";
//			    element.select();
//			    return false;
//		    }
//	    }

//	    return true;
//    },

    GetSmartDropListByLetters: function(text, divId, objectType, poolType)
    {    
        SearchEngineService.GetSmartDropListByLetters
        (
            text,
            divId,
            objectType,
            poolType,
            smartDropManager.GetSmartDropListByLetters_Complete
	    );
    },

    CheckDivDisplay: function(divId , objectType, poolType)
    {
        if (document.getElementById(divId).className == 'smartDrop_div_show')
        {
            // hide
            smartDropManager.HideDiv(divId);
        }
        else
        {
            // Hide any open drops
            smartDropManager.HideDrops();
            
            // Get list for requested drop
            smartDropManager.GetSmartDropListByLetters('', divId , objectType, poolType);
        }
    },

    GetSmartDropListByLetters_Complete: function(args)
    {
        var target = document.getElementById(args.Target);
    
        if (args.Result != '')
        {
            smartDropManager.ShowDiv(target);
            target.innerHTML = args.Result;
        }
        else
        {
            smartDropManager.HideDiv(args.Target);
        }
    },

    // Sets an ID according to selected text, or deletes text if no ID found
    SetSelectionId: function(txtId, divId, objectType, poolType) 
    {   
        //alert('SetSelectionId called');
        var text = document.getElementById(txtId).value;
    
        if(text == '')
        {
            //document.getElementById(smartDropManager.dropsArray[divId].valueId).value = 0;
            smartDropManager.SetSmartDropValue(divId, 0);
            
            smartDropManager.isWorking = false;                              
            return;
        }
        
        SearchEngineService.GetSmartDropIdByLetters
        (
            text,
            divId,
            objectType,
            poolType,
            smartDropManager.SetSelectionId_Complete
	    );
    },

    SetSelectionId_Complete: function(args)
    {
        //alert('SetSelectionId_Complete called');
       if(args.Result != null)
            smartDropManager.SetSmartDropSelectionNoHide(args.Result.Value, args.Result.Key, args.Target, false);
        else
            smartDropManager.SetSmartDropSelectionNoHide('', 0, args.Target, false);
            
        //alert('setting smartDropManager.isWorking to false');
        smartDropManager.isWorking = false;                  
        //alert(smartDropManager.isWorking);
    },
    
    // Check if user clicked outside of a smartDrop.  If so, hide all smartDrops.
    CheckExternalClick: function(event)
    {
        var target = $j(event.target);
        var parents = target.parents(".smartDropTable");
        
        if(target.parents(".smartDropTable").length == 0)
		    smartDropManager.HideDrops();
    },
    
    ClearAllDrops: function()
    {
        for(var id in this.dropsArray)
        {
            smartDropManager.ClearSelection(id);
        }
        
        smartDropManager.isWorking = false;        
    },
    
    // Clear a smartDrop's selection (id and text)
    ClearSelection: function(divId)
    {
        document.getElementById(smartDropManager.dropsArray[divId].txtId).value = '';
        smartDropManager.SetSmartDropValue(divId, 0);
        //document.getElementById(smartDropManager.dropsArray[divId].valueId).value = 0;
    },
    
    ValidateBeforeSubmit: function(id)
    {    
        if(smartDropManager.isWorking)
        {
            //alert('calling wait for submit');
            window.setTimeout("smartDropManager.WaitForSubmit('"+id+"')", 50);
            return false;        
        }
        else
        {
            return true;
        }
    },
    
    WaitForSubmit: function(id)
    {
        //alert('wait for submit called.  smartDropManager.isWorking=' + smartDropManager.isWorking);
    
        if(smartDropManager.isWorking)
        {
            window.setTimeout("smartDropManager.WaitForSubmit('"+id+"')", 50);
        }
        else
        {
            var sender = document.getElementById(id);
            
            if(sender.click) // imageButton or IE
                sender.click();
            else // linkButton and not IE
            {
                var func = sender.href;
            
                if(func.indexOf('javascript:') == 0)
                    func = func.substring(11);
                    
                eval(func);
            }
        }
    },
    
    //-------------------------------------------------------------------------------------------------
    //  IE div overlap fix
    //-------------------------------------------------------------------------------------------------   
    
    IsIE: function()
    {
        if(!browserDetect.initialized)
            browserDetect.init();

        return ( browserDetect.browser == 'Explorer' && browserDetect.version < 7 );
    },

    RemoveMask: function(divId)
    {
        if(smartDropManager.masks[divId] != null)
        {
            var mask = smartDropManager.masks[divId];
            document.body.removeChild(mask);
            smartDropManager.masks[divId] = null;
        }
    },

    SetMask: function(divId)
    {
        if (smartDropManager.masks[divId] == null)
        {    
           var div = document.getElementById(divId) ;
            //Increase default zIndex of div by 1, so that DIV appears before IFrame
            div.style.zIndex = div.style.zIndex + 1;

            var iFrame = document.createElement('IFRAME');
            iFrame.setAttribute('src', '');

            //Match IFrame position with div's
            iFrame.style.position = 'absolute';
            iFrame.style.left = div.offsetLeft + 'px';
            iFrame.style.top = div.offsetTop + 'px';
            iFrame.style.width = div.offsetWidth + 'px';
            iFrame.style.height = div.offsetHeight + 'px';

            document.body.appendChild(iFrame);

            // Save iFrame object, so it can be removed when div is hidden 
            smartDropManager.masks[div.id] = iFrame;
         }
    },

    //-------------------------------------------------------------------------------------------------
    //  Simple Drop functionality
    //-------------------------------------------------------------------------------------------------   
    
    GetSimpleDropList: function(text, docId, divId)
    {
        SearchEngineService.GetSimpleDrop
        (
            docId,
            divId,
            smartDropManager.GetSmartDropListByLetters_Complete
	    );
    }
};

// Add event to close divs on external click or on focus in another input
$j(document).ready(function() {
	$j(document.body).mousedown(smartDropManager.CheckExternalClick);
    $j(':input').focus(function(){smartDropManager.HideDrops();});
});