/* ----- Notes ----- 

	Last Modified:	2008-03-21 Andy H
	HTML files:		wSearchBar
	Framework:		Omnis Studio - StudioWorks Framework
	Written by: 	Doug Kuyvenhoven, doug@vencor.ca
	Copyright: 		Vencor Software 2006, www.vencor.ca
*/

// ----- Action Methods -----

function checkForEnter(evt) {

	if (evt.keyCode == 13) {

	 submitSearch();
	 return false;
	 
	} else {

	return true;
	}
}

function eventClickSearchColsList() {

	//Get the current operator	
	setSearchOperatorsList();
	setDefaultSearchOperator();
	setSearchEntryField();
	setCurrField();
}

function eventClickSearchOperatorsList() {

	setSearchEntryField();
	setCurrField();
}

function initSearchBar() {

	setDefaultSearchCol();
	setSearchOperatorsList();
	setDefaultSearchOperator();
	setSearchEntryField();		
	setDefaultSearchEntryValue();
	setCurrField();
	var rObj = ExistingSearchCriteriaStringRef();
	rObj.value = "" ;

	return true;
}

function retSearchCriteriaString() {

		// Figure out the search criteria.
		var rCol = SelectedSearchColRef();
		var rOperator = SelectedOperatorRef();
		var ColType = rCol.value;
		var rEntry = SearchEntryFieldRef();
		var OperatorValue = rOperator.value;
 		var Value = ""

		switch (ColType) {

			case "checkbox" :
			
				Value = rEntry.checked;
				break;
			
			case "date" :
				if (OperatorValue=="TODAY") {
						Value = " ";
						break;
						}
				else {
						Value = rEntry.value;
						break;
						}

			case "hidden" :
			
				Value = "";
				break;
			
			default :
				Value = rEntry.value;
				break;
		}
		
		if (Value.length==0) {
			Criteria = null;
		}
		else {		
			var Criteria = rCol.id+","+rOperator.value+","+Value;
		}

		return Criteria
}


function setCurrField() { SearchEntryFieldRef().focus(); }


function setDefaultSearchCol() 
{
	// Get the default search criteria string into an array.
	var SearchRow = DefaultSearchCriteriaString().split(',');
	var ColName = SearchRow[0];
	if (ColName) {
		
		// Set the selected column.
		if (ColName) {
			
			var rObj= SearchColsListRef();
			var OptionsArray = rObj.options;
			for (i=0; i<OptionsArray.length; i++) {

				if (OptionsArray[i].id==ColName) {

					rObj.selectedIndex=i;
					break;
				}				
			}
		}		
	} 
	else {
	
		SearchColsListRef().selectedIndex=0;
	}
}

function setDefaultSearchEntryValue() {

	// Get the default search criteria string into an array.
	var SearchRow = DefaultSearchCriteriaString().split(',');
	if (SearchRow.length) {
	
		var Value = SearchRow[2];
		
		// Set the search entry value
		if (Value) {
		
			SearchEntryFieldRef().value = Value;
		}	
	}	
}

function setDefaultSearchOperator() {

	// Get the default search criteria string into an array.
	var SearchRow = DefaultSearchCriteriaString().split(',');
	if (SearchRow.length) {

		var Operator = SearchRow[1];
		
		// Set the selected operator.
		if (Operator) {

			var rObj= SearchOperatorsListRef();
			var OptionsArray = rObj.options;
			for (i=0; i<OptionsArray.length; i++)
			{
				if (OptionsArray[i].value==Operator)
				{
					rObj.selectedIndex=i;
					break;
				}	
			}
		}
		
	}	
}

function setSearchEntryField() {

	if (document.all) { // Is this IE?
	
		setSearchEntryField_IE(); // Call special IE function
		
	} 
	else {
		
		var rObj = SearchEntryFieldRef();
		var ColType = SelectedSearchColType();
		
		if (ColType=="checkbox") {

			if (rObj.type!="checkbox") {

				rObj.type="checkbox";
				rObj.checked="true";
				rObj.disabled="true";
			}
		}
		else {
		
			rObj.disabled="";
			if (rObj.type!="text") {
						
				rObj.type="text";
			}

//	added 2010-01-23 see if we are a fetchall and if so use xmlhttprequest to fill in options
//			var rOperatorRef = SelectedOperatorRef();
//			if rOperatorRef.fetchall=="yes" {
//				alert("fetchall");
//			}
//			else {
//			rObj.InnerHTML=""
//			}




		}
	}
}

function setSearchEntryField_IE() {

	// Workaround for Internet Explorer because
	// IE does not allow us to change the 'type'
	
	var rObj = SearchEntryFieldRef();
	var ColType = SelectedSearchColType();
	
	if (ColType=="checkbox") {

		rObj.disabled="true";
		rObj.value="Yes";
	} 
	else {

		rObj.disabled="";
		if (rObj.value="Yes") {
		
			rObj.value="";
		}
//	added 2010-01-23 see if we are a fetchall and if so use xmlhttprequest to fill in options
//			var rOperatorRef = SelectedOperatorRef();
//			if rOperatorRef.fetchall=="yes" {
//				alert("fetchall");
//			}
//			else {
//			rObj.InnerHTML=""
//			}

		
	}				
}

function setSearchOperatorsList() {
					
	var rCol = SelectedSearchColRef();
	var ColType = rCol.value;
	var rObj = SearchOperatorsListRef();
	
	// Remove the existing options
	rObj.options.length = 0;

	// Add the options to the suit the column type.
	switch (ColType) {

		case "checkbox" :
		
			// Boolean
			var list = new Array
			rObj.options[0] = new Option('is','=');
			rObj.options[1] = new Option('is not','<>');
			rObj.options[2] = new Option('is null','IS NULL');
			rObj.options[3] = new Option('is not null','IS NOT NULL');
							
			break;
			
		case "number" :
		
			rObj.options[0] = new Option('is equal to','=');
			rObj.options[1] = new Option('is not equal to','<>');
			rObj.options[2] = new Option('is greater than or equal to','>=');
			rObj.options[3] = new Option('is less than or equal to','<=');
			rObj.options[4] = new Option('is null','IS NULL');
			rObj.options[5] = new Option('is not null','IS NOT NULL');
			break;
			
		case "date" :
		
			rObj.options[0] = new Option('is on','=');
			rObj.options[1] = new Option('is on or after','>=');
			rObj.options[2] = new Option('is on or before','<=');
			rObj.options[3] = new Option('is today','TODAY');
			rObj.options[4] = new Option('is null','IS NULL');
			rObj.options[5] = new Option('is not null','IS NOT NULL');
			break;			
			
		default :
		
			// character			
			rObj.options[0] = new Option('contains','%LIKE%');
			rObj.options[1] = new Option('begins with','LIKE%');
			rObj.options[2] = new Option('does not contain','NOT %LIKE%');
			rObj.options[3] = new Option('is','=');
			rObj.options[4] = new Option('is not equal to','<>');
			rObj.options[5] = new Option('is greater than or equal to','>=');
			rObj.options[6] = new Option('is less than or equal to','<=');
			rObj.options[7] = new Option('is null','IS NULL');
			rObj.options[8] = new Option('is not null','IS NOT NULL');
			break;
	}
}

function submitSearch() {

	// first clear anything that may be in the xml return as we are getting a search directly now
	document.getElementById('searchResult').innerHTML = "";

	var Criteria = retSearchCriteriaString();
	if (Criteria == null) {
	
		alert("Please enter a search value - null criteria set.");
	}
	else {	

		// Prepare the form
		var rForm = SearchBarFormRef();
		var MethodName = "search";

		prepareForm(rForm,MethodName)
		addWinInstInputs(rForm);		
		addHiddenInput(rForm,"SearchCriteriaString",Criteria)
		
		
//		var Value = document.getElementById('SessionID').value ;
//alert(Value);
//		addHiddenInput(rForm,"SessionID",Value);
		
		
		// Submit the form to the Omnis web app server.
		// The window instance is not changing, so we can submit the form ourself.
		rForm.submit();
	}
}

function addSearch_orig() {

	var Criteria = retSearchCriteriaString();
	if (Criteria == null) {
	
		alert("Please enter a search value - criteria not yet set.");
	}
	else {	

		// Prepare the form
		var rForm = SearchBarFormRef();
		var MethodName = "addsearch";
		
		prepareForm(rForm,MethodName)
		addWinInstInputs(rForm);
		addHiddenInput(rForm,"SearchCriteriaString",Criteria)
		
		// Submit the form to the Omnis web app server.
		// The window instance is not changing, so we can submit the form ourself.
		rForm.submit();
	}
}

function addSearch() {
// Validate existing search then amend value of ExistingSearchCriteriaString
	var Criteria = retSearchCriteriaString();
	if (Criteria == null) {
	
		alert("Please enter a search value - criteria not yet set.");
	}
	else {	
		var ExistingString = ExistingSearchCriteriaString();

		if (ExistingString.length) {
			ExistingString = ExistingString+"//"+Criteria;
			}
		else {
			ExistingString = Criteria;
			}

		var rObj = ExistingSearchCriteriaStringRef();
		rObj.value = ExistingString;
		
		var existingHTML = convertExistingToHTML(ExistingString) ;

		document.getElementById('existingEntries').innerHTML = existingHTML ;
	}
}

function convertExistingToHTML(pExistingString) {
	var ReturnHTML = "" ;
	var LineContent = pExistingString.split("//") ;
	var i ;
	var j ;
	var x ;
	var TextToAdd ;
	var rObj ;
	var OptionsArray ;

	if (pExistingString.length) {
		for (i in LineContent) {
			var FieldContent = LineContent[i].split(",") ;
			for (x in FieldContent) {

				if 	(x==0) {
			
					rObj= SearchColsListRef();
					OptionsArray = rObj.options;
					for (j=0; j<OptionsArray.length; j++) {

						if (OptionsArray[j].id==FieldContent[0]) {

						TextToAdd=OptionsArray[j].innerHTML;
						break;
						}				
					}

			
				}
				else if (x==1) {



					rObj= SearchOperatorsListRef();
					OptionsArray = rObj.options;

					for (j=0; j<OptionsArray.length; j++) {

						if (OptionsArray[j].value==FieldContent[1]) {

						TextToAdd=OptionsArray[j].innerHTML;
						break;
						}				
					}
				
				
				}
				else {
			
				TextToAdd = FieldContent[x] ;
				}
			
			
				ReturnHTML = ReturnHTML+" " + TextToAdd ;
			}		
			ReturnHTML = ReturnHTML+" and<br>" ;

		}

	}
	return ReturnHTML ;
}

function removeSearch_orig() {

	var Criteria = retSearchCriteriaString();

		// Prepare the form
		var rForm = SearchBarFormRef();
		var MethodName = "removesearch";
		
		prepareForm(rForm,MethodName)
		addWinInstInputs(rForm);
		addHiddenInput(rForm,"SearchCriteriaString",Criteria)
		
		// Submit the form to the Omnis web app server.
		// The window instance is not changing, so we can submit the form ourself.
		rForm.submit();
	
}

function removeSearch() {
		var ExistingString = ExistingSearchCriteriaString();
		var NewString = "" ;
		var LineContent ;
		var i ;
		
		if (ExistingString.length) {
			LineContent = ExistingString.split("//") ;
			for (i=0; i< (LineContent.length - 1); i++) {
				if (NewString.length==0) {
				NewString = LineContent[i] ;
				}
				else {
				NewString = NewString+"//"+LineContent[i];
				}
			}

		var rObj = ExistingSearchCriteriaStringRef();
		rObj.value = NewString;
		}

		var existingHTML = convertExistingToHTML(NewString) ;

		document.getElementById('existingEntries').innerHTML = existingHTML ;


}

function validateSearchBarForm() {

		// Figure out the search criteria.
		var rCol = SelectedSearchColRef();
		var rOperator = SelectedOperatorRef();
		var rEntry = SearchEntryFieldRef();
		var OperatorValue = rOperator.value;


 		var Value = ""
		switch (rEntry.type) {
		
			case "checkbox" :
			
				Value = rEntry.checked;
				break;
			
			case "hidden" :
			
				Value = "";
				break;
			
			default :
				Value = rEntry.value;
				break;
		}
		
		if (Value.length==0) {
		
				if	(OperatorValue == "TODAY") {
					alert("You mean today ?");
					return true;
				
				}
				else {
					alert("Please enter a search value - not a date.");
					setCurrField();
					return false;
				}
		}		
		var Criteria = rCol.id+","+rOperator.value+","+Value;
}


// ----- Property Methods -----

function DefaultSearchCriteriaString() { return SearchBarFormRef().DefaultSearchCriteriaString.value; }

function ExistingSearchCriteriaString() { return SearchBarFormRef().ExistingSearchCriteriaString.value; }

function SearchBarFormRef() { return document.SearchBarForm }

function SearchColsListRef() { return SearchBarFormRef().SearchColsList ; }

function SearchEntryFieldRef() { return SearchBarFormRef().SearchEntryField ; }

function SearchOperatorsListRef() {	return SearchBarFormRef().SearchOperatorsList ; }

function ExistingSearchCriteriaStringRef() {	return SearchBarFormRef().ExistingSearchCriteriaString ; }

function SelectedOperatorRef() { 

	// Return a reference to the selected operator.	
	var rObj = SearchOperatorsListRef();
	if (rObj.length) {
		var rOperator = rObj.options[rObj.selectedIndex];
		return rOperator;
	}
	else {
		return null
	}
}

function SelectedSearchColRef() { 

	var rObj = SearchColsListRef();
	var rCol = rObj.options[rObj.selectedIndex];
	return rCol;
}

function SelectedSearchColType() { return SelectedSearchColRef().value; }


// ----- Programmer Test Methods -----

function ping_searchbar() { alert("ping_searchbar"); }

function test_searchbar() {

	alert("test");
	// Add test code here , or a call to specific function
	
}

/* ----- MODIFICATIONS -----

@MOD:1 Created file for use by 'wSearchBar' of the SW framework ;; 2006-02-16 Doug K

*/



function xmlDetail() {
	var Criteria = retSearchCriteriaString();
	if (Criteria == null) {
	
		alert("Please enter a search value - null criteria set.");
	}
	else {	

		// Prepare the form
		var FormText = "";
		var FormText2 = "";
		var MethodName = "search";
	
		FormText = prepareXML(FormText,MethodName);

		FormText = addXMLWinInstInputs(FormText);

		
		var Property = "DefaultSearchCriteriaString";
		var Value = document.getElementsByName('DefaultSearchCriteriaString')[0].value;
		Value = encode(Value);
		FormText = addParamInput(FormText,Property,Value);

		Property = "ExistingSearchCriteriaString";
		Value = document.getElementsByName('ExistingSearchCriteriaString')[0].value;

		Value = encode(Value);
		FormText = addParamInput(FormText,Property,Value);

		Property = "SearchColsList";
	 	Value = SearchColsListRef().value;
		if (Value.length>0) {}
		else
		{
		Value = document.getElementsByName('SearchColsList')[0].value;
		}
		FormText = addParamInput(FormText,Property,Value);

		Property = "SearchOperatorsList";
	 	Value = SearchOperatorsListRef().value;
		if (Value.length>0) {}
		else
		{
		Value = document.getElementsByName('SearchOperatorsList')[0].value;
		}
		Value = encode(Value);
		FormText = addParamInput(FormText,Property,Value);

		Property = "SearchEntryField";
	 	Value = SearchEntryFieldRef().value;
		if (Value.length>0) {}
		else
		{
		Value = document.getElementsByName('SearchEntryField')[0].value;
		}
		FormText = addParamInput(FormText,Property,Value);

		Criteria = encode(Criteria);
		FormText = addParamInput(FormText,"SearchCriteriaString",Criteria);


		return FormText;
		
	}
}

var timeoutID = null ;
var timerrunning = false ;

function ajaxFunction()
{
	if (timerrunning) {
	clearTimeout(timeoutID);
	timerrunning = false;
	}
	timeoutID = setTimeout(delayajax, 500);
	timerrunning = true ;
}

function delayajax()
{
	// first clear anything that may be in the standard return as we are getting an xml search directly now
	document.getElementById('existingResult').innerHTML = "";

	if (timerrunning) {
	clearTimeout(timeoutID);
	timerrunning = false;
	}

	Value = SearchEntryFieldRef().value;
	if (Value.length>0) {}
	else
		{
		Value = document.getElementsByName('SearchEntryField')[0].value;
		}

	if (Value.length>2)
	{

		var xmlHttp;
	 	 xmlHttp=GetXMLHttpObject();
		if (xmlHttp==null)
	      {
	      alert("Your browser does not support AJAX!");
	      return false;
		  }
	

		var url=xmlDetail();

	 	 xmlHttp.onreadystatechange=function()
		{
		if(xmlHttp.readyState==4)
 		 {

		setDataHTML(xmlHttp);
	     }
		}

		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
	}
}


function GetXMLHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

function setDataHTML(xmlHttp)
{

	document.getElementById('searchResult').innerHTML = xmlHttp.responseText;

}

	// public method for url encoding
function encode(string) {
		return escape(this._utf8_encode(string));
	}
 
	// public method for url decoding
function decode(string) {
		return this._utf8_decode(unescape(string));
	}
 
	// private method for UTF-8 encoding
function _utf8_encode(string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
 
		for (var n = 0; n < string.length; n++) {
 
			var c = string.charCodeAt(n);
 
			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
 
		}
 
		return utftext;
	}
 
	// private method for UTF-8 decoding
function _utf8_decode(utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
 
		while ( i < utftext.length ) {
 
			c = utftext.charCodeAt(i);
 
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
 
		}
 
		return string;
	}