Ticket/InsdepUI/expand/jquery-easyui-texteditor/jquery.texteditor.js

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(function($){
	function saveRange(target){
		var opts = $.data(target, 'texteditor').options;
		opts.selectedRange = null;
		if (window.getSelection){
			var sel = window.getSelection();
			if (sel.getRangeAt && sel.rangeCount){
				var range = sel.getRangeAt(0);
				var pnode = range.commonAncestorContainer.parentNode;
				if ($(pnode).closest('.texteditor')[0] == $(target).parent()[0]){
					opts.selectedRange = range;
				}
			}
		} else if (document.selection && document.selection.createRange){
			var range = document.selection.createRange();
			var pnode = range.parentElement();
			if ($(pnode).closest('.texteditor')[0] == $(target).parent()[0]){
				opts.selectedRange = range;
			}
		}
	}

	function restoreRange(target){
		var opts = $.data(target, 'texteditor').options;
		var range = opts.selectedRange;
		if (window.getSelection){
			var sel = window.getSelection();
			sel.removeAllRanges();
			if (range){
				sel.addRange(range);
			}
		} else if (document.selection){
			document.selection.empty();
			if (range && range.select){
				range.select();
			}
		}
	}

	function insertContent(target, html){
		var opts = $.data(target, 'texteditor').options;
		if (opts.selectedRange){
			if (window.getSelection){
				opts.selectedRange.collapse(false);
				opts.selectedRange.insertNode($(html)[0]);
			} else if (document.selection && opts.selectedRange.select){
				opts.selectedRange.collapse(false);
				opts.selectedRange.pasteHTML($(html)[0]);
			}
		}
	}

	function updateToolbar(target){
		var opts = $.data(target, 'texteditor').options;
		opts.dlgToolbar.find('.l-btn').each(function(){
			var cmd = $(this).attr('cmd');
			if (document.queryCommandState(cmd)){
				$(this).linkbutton('select');
			} else {
				$(this).linkbutton('unselect');