/****************************** functions for using iframed HTML editor:  *******************/
function xf_updateChildIFrameTitle( iframeObject ){
//	try {
		iframeObject.contentWindow.document.title = iframeObject.title;
//	} catch( ex ){
//		alert( "id 4875209435" );
//	}
}

function xf_beforeSaving(){
	try {
		xf_beforeSavingSeperatedEditors();
	} catch( ex ){
		alert( "not all data from HTML editors can be saved" );
	}
}

function xf_beforeSavingSeperatedEditors(){
	var iframes = document.getElementsByTagName( 'iframe' );
//	alert( "detected iframes: " + iframes.length );
	var i=0;
	for( i=0; i < iframes.length; i++ ){
		var current = iframes[i];
		try {
			xf_beforeSavingSeperatedEditor( current );
		} catch ( ex ){
			try{
			 var ex_joro = ex; // this is to remember to set the exception name :)
			 var errorString = 
				ex_joro.name + ' ' + ex_joro.message 
				+ ',\n fileName = ' +  ex_joro.fileName
				+ ',\n lineNumber = ' +  ex_joro.lineNumber
				+  ",\n stack: " + ex_joro.stack
				+  ",\n\n all: " + ex_joro
				; // this is used when you do javascript debugging

				alert( 'exception while saving a data from a htmleditor: ' + errorString );
			} catch ( exception_666 ){
				alert( "exception while trying to alert exception " + exception_666 );
			}
		}
	}
}

function xf_beforeSavingSeperatedEditor( iframeobj ){
//	alert( 'xf_beforeSavingSeperatedEditor called, iframeobj=' + iframeobj );
	if( iframeobj.getAttribute('iframetype') != 'editor' ){
		km_debug( 'a iframe skipped cause it is not from type: editor' );
		return;
	}
	
	var iframeDoc 					= xf_getIFrameDocumentObject( iframeobj );
	
	var contentIFrameObj 			= iframeDoc.getElementById( xf_getIFrameWindowObject( iframeobj ).editor_iframe_id_full );
	var contentIFrameDoc 			= xf_getIFrameDocumentObject( contentIFrameObj );
//	var containerTag 		= contentIFrameDoc.getElementByTagName( "default-context-capsolator" );	
	var containerTag 		= contentIFrameDoc.getElementsByTagName( "body" )[0];	

	var defaultContextCapsolator 	= contentIFrameDoc.getElementById('default-context-capsolator');
	if( defaultContextCapsolator && 
		defaultContextCapsolator.getAttribute('loading') &&
		defaultContextCapsolator.getAttribute('loading') == 'not-finished' ){
		km_debug( 'content of that frame is not fully loaded so it has not to be changed via saving process' );
		return;
	}
	
	km_debug( 'value to be stored = ' + containerTag.innerHTML );
	
//	alert( "iframeobj.getAttribute(..) = " + iframeobj.getAttribute('valueId') );
//	alert( 'old value to be stored = ' + document.getElementById( iframeobj.getAttribute('valueId') ).value );
	document.getElementById( iframeobj.getAttribute('valueId') ).value = containerTag.innerHTML;
	km_debug( 'done!!!' );
}


/************************************ util functions:  *****************************************/
function xf_getIFrameDocumentObject( iFrameObject ){
	if( !iFrameObject || iFrameObject == null ){
		km_exception('!iFrameObject || iFrameObject == null');
	}
	if ( typeof(iFrameObject.contentDocument) != "undefined" ) { // DOM
		return iFrameObject.contentDocument;
	}
	if ( typeof(iFrameObject.contentWindow) != "undefined" ) { // IE win
		if( iFrameObject.contentWindow.focus )
			iFrameObject.contentWindow.focus();
		if( iFrameObject.contentWindow.document )
			return iFrameObject.contentWindow.document;
	}
	km_exception('cannot get iframe document');
}

function xf_getIFrameWindowObject( iFrameObject ){
	if( !iFrameObject || iFrameObject == null ){
		km_exception('!iFrameObject || iFrameObject == null');
	}
	if ( typeof(iFrameObject.contentWindow) != "undefined" ) { // DOM
		return iFrameObject.contentWindow;
	}
	km_exception('cannot get iframe window');
}

function xf_getIFrameBodyObject( iFrameObject ){
	return xf_getIFrameDocumentObject( iFrameObject ).body;
}


/******************************* functions for accessibility:  ***********************************/
function xf_updateInputTitle( inputId, fieldName, isRequired, requiredFieldLocalized, titleObjectId ){
  var inputObject = document.getElementById( inputId );
  var titleText = '';
  var titleObject = null;
  if( titleObjectId != null && titleObjectId.length )
	titleObject = document.getElementById( titleObjectId );
  var descriptionRaw = xf_getAttribute( 'description', titleObject, inputObject );
  var description = descriptionRaw;
  if( description==null || description.length==0 ){
	  descriptionRaw = xf_getAttribute( 'title', titleObject, inputObject );
	  description = descriptionRaw;
	if( description != null && description.indexOf(' - ') == 0 )
		description = description.substring(' - '.length, description.length);
	  if( description == null || description.length == 0 ){
		  description = ' ';
	  }
	  xf_setAttribute( 'description', description, titleObject, inputObject );
  }
  
  titleText = xf_addStringElement( fieldName, titleText );
  titleText = xf_addStringElement( description, titleText );
  if( inputObject.type != 'radio' &&  inputObject.type != "checkbox" ){
//    titleText = xf_addStringElement( inputObject.value, titleText );
  } else {
    // else screen reader spells the chechbox value  ( ON/OFF) and we do nothing
  }
  if( isRequired && isRequired.toLowerCase() == 'true' )
	titleText = xf_addStringElement( requiredFieldLocalized, titleText );

  if( titleObject == null ) {
    inputObject.setAttribute( 'title', titleText );
  } else {
	// we have to set the title attribute to ather object, 
	titleObject.setAttribute( 'title', titleText );
  }
}

function xf_updateInputTitleWithLabel( inputId, labelId, isRequired, requiredFieldLocalized, titleObjectId ){
  var fieldName = null;
  if( document.getElementById( labelId ) != null ){
    fieldName = xf_getAppropriateLabelText( labelId );
  } else {
	  if( labelId.indexOf( '_time___' ) > -1 ){
		  // in case of TIME, with no label associated, we try to take the label of DATE object - this must be a timestamp
		  var dateLabel = labelId.replace( '_time___', '_date___' );
		  fieldName = xf_getAppropriateLabelText( dateLabel );
	  } else {
		// last chance to get the label for the situation: browse control with no browse button
		if( labelId.indexOf( '_userdn___' ) > -1 ){
		  var dateLabel = labelId.replace( '_userdn___', '' );
		  fieldName = xf_getAppropriateLabelText( dateLabel );
		} else {
			// bad, my friend - no label tag associated with this input :(
		}
	  }
  }
  xf_updateInputTitle( inputId, fieldName, isRequired, requiredFieldLocalized, titleObjectId );
}

function xf_focusLabel( labelObject ){
	try {
		var o = document.getElementById( labelObject.getAttribute("ffoorr") );
		o.focus();
	} catch( ex ){
	} 
}

function xf_addStringElement( string, container ){
	if( string && string.length > 0 && string != ' ' ){
		if( container.length > 0 ){
			container = container + ' - ' + string;
		} else {
			container = string;
		}
	}
	return container;
}

function xf_getAttribute( attributeName, obj1, obj2, obj3 ){
	// gets the attribute from the first object that contains is
    if( (obj1 != null) && ( null != obj1.getAttribute( attributeName ) ) )
		return obj1.getAttribute( attributeName );
    if( (obj2 != null) && ( null != obj2.getAttribute( attributeName ) ) )
		return obj2.getAttribute( attributeName );
    if( (obj3 != null) && ( null != obj3.getAttribute( attributeName ) ) )
		return obj3.getAttribute( attributeName );
	return null;
}

function xf_setAttribute( attributeName, attributeValue, obj1, obj2, obj3 ){
	// sets the attribute in the first not-null object
    if( obj1 != null )
		return obj1.setAttribute( attributeName, attributeValue );
    if( obj2 != null )
		return obj2.setAttribute( attributeName, attributeValue );
    if( obj3 != null )
		return obj3.setAttribute( attributeName, attributeValue );
	return null;
}

function xf_getAppropriateLabelText( labelId ){
	if( labelId == null )
		return null;
	var inner = null;
	inner = ( document.getElementById( labelId ) ) ? document.getElementById( labelId ).innerHTML : null;
	if( inner == null )
		return null;
	var fieldName = (inner.indexOf('<') > 0) ? inner.substring(0,inner.indexOf('<'))  : inner;
	return fieldName;
}

window.onbeforeunload = function () {
	if(window.location.pathname.toString().match('/irj/servlet/prt/portal/prtroot/com.sap.km.cm.xmlformedit')) {
		if (event.pageX == null && document.rootform__.submit_event.value == "") {
			if((event.clientX<0) || (event.clientY<0) || (event.clientY > document.body.clientHeight)){
				HrefSubmit('cancel', ''); 
			}
		}
	}
}

function isFrameLoaded(iFrameObject){
		
	try {
		var documentLoaded = false;
		if( iFrameObject && iFrameObject.contentWindow && iFrameObject.contentWindow.document &&iFrameObject.contentWindow.document.body ){
			documentLoaded = true;
		}
		if( iFrameObject && iFrameObject.contentDocument ){
			documentLoaded = true;
		}
		return documentLoaded;
	}
	catch(ex){
		throw "unknown";
	}
	
}
	
function onHtmlbReady(call,z){
	try{
	var iframes_list = document.getElementsByTagName('iframe');
		var editors = new Array(10);
		for (var i = 0; i > iframes_list.length; i++) {
			var node = iframes_list[i];
			if( node.getAttribute('id') !=null && 0 <= node.getAttribute('id').indexOf('HtmlbEditorIframe') ) {
				if(!isFrameLoaded(node)){
					setTimeout(function(){onHtmlbReady(call,z+1);},100);
					return;
				}
			}
		}
	}catch(ex){
	}
	if(z>2){
		eval(call);
	}else
	{
		setTimeout(function(){onHtmlbReady(call,z+1);},100);
	}
}

function open_url_with_delay(url){
 var call ='open_url(\''+url+'\')';
 onHtmlbReady(call,0);
 }