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/home/develito/www/libraries/cegcore2/assets/js/g2.editor.js

jQuery.fn.extend({
	insertAtCaret: function(startValue, endValue){
		return this.each(function(i){
			var editor_data = jQuery(this).getCaret();
			
			if(document.selection){
				//For browsers like Internet Explorer
				this.focus();
				var sel = editor_data.sel;
				sel.text = startValue + sel.text + endValue;
				this.focus();
				
				jQuery(this).storeCaret();
			}else if(this.selectionStart || this.selectionStart == '0'){
				//For browsers like Firefox and Webkit based
				var startPos = editor_data.startPos;
				var endPos = editor_data.endPos;
				var scrollTop = editor_data.scrollTop;
				var selectedValue = editor_data.selectedValue;
				
				this.value = this.value.substring(0, startPos) + startValue + selectedValue + endValue + this.value.substring(endPos, this.value.length);
				this.focus();
				this.selectionStart = startPos +  startValue.length ;
				this.selectionEnd = startPos + selectedValue.length + startValue.length ;
				this.scrollTop = scrollTop;
				
				jQuery(this).storeCaret();
			}else{
				this.value += startValue+endValue;
				this.focus();
			}
		});
	},
	replaceAtCaret: function(Value){
		return this.each(function(i){
			var editor_data = jQuery(this).getCaret();
			
			if(document.selection){
				//For browsers like Internet Explorer
				this.focus();
				var sel = editor_data.sel;
				sel.text = Value;
				this.focus();
				
				jQuery(this).storeCaret();
			}else if(this.selectionStart || this.selectionStart == '0'){
				//For browsers like Firefox and Webkit based
				var startPos = editor_data.startPos;
				var endPos = editor_data.endPos;
				var scrollTop = editor_data.scrollTop;
				var selectedValue = editor_data.selectedValue;
				
				this.value = this.value.substring(0, startPos) + Value + this.value.substring(endPos, this.value.length);
				this.focus();
				this.selectionStart = startPos + Value.length ;
				this.selectionEnd = startPos + Value.length ;
				this.scrollTop = scrollTop;
				
				jQuery(this).storeCaret();
			}else{
				this.value += Value;
				this.focus();
			}
		});
	},
	getCaret: function(){
		var editor_data = jQuery(this).data('editor');
		if(typeof editor_data == 'undefined'){
			jQuery(this).storeCaret();
			var editor_data = jQuery(this).data('editor');
		}
		return editor_data;
	},
	getSelection: function(){
		var editor_data = jQuery(this).getCaret();
		
		if(editor_data.hasOwnProperty('sel')){
			//For browsers like Internet Explorer
			var sel = editor_data.sel;
			return sel.text;
		}else if(editor_data.hasOwnProperty('selectedValue')){
			//For browsers like Firefox and Webkit based
			var selectedValue = editor_data.selectedValue;
			return selectedValue;
		}else{
			return '';
		}
	},
	storeCaret: function(event){
		return this.each(function(i){
			if(document.selection){
				var sel = document.selection.createRange();
				jQuery(this).data('editor', {
					'sel':  sel
				});
			}else if(this.selectionStart || this.selectionStart == '0'){
				var startPos = this.selectionStart;
				var endPos = this.selectionEnd;
				var scrollTop = this.scrollTop;
				var selectedValue = this.value.substring(startPos, endPos);
				var valueLength = this.value.length;
				if(endPos > valueLength){
					endPos = valueLength;
				}
				if(startPos > valueLength){
					startPos = valueLength;
				}
				
				jQuery(this).data('editor', {
					'startPos':  startPos,
					'endPos' : endPos,
					'scrollTop' : scrollTop,
					'selectedValue' : selectedValue
				});
			}else{
				jQuery(this).data('editor', {
					
				});
			}
		});
	}
});