ikiw/shortenText.js

## shortenText.js
<!DOCTYPE html>
<html><head>
    <meta http-equiv='X-UA-Compatible' content='IE=edge' />
    <title>test</title>

    <script id='sap-ui-bootstrap' type='text/javascript'
        src='/sapui5/resources/sap-ui-core.js'
        data-sap-ui-theme='sap_goldreflection'
        data-sap-ui-libs='sap.m'></script>
        <!-- add 'sap.ui.table' and/or other libraries if required -->

	<style>
	a {
    color: #0254EB
}
a:visited {
    color: #0254EB
}
a.morelink {
    text-decoration:none;
    outline: none;
}
.morecontent span {
    display: none;
}
	</style>

<script>

	sap.m.Text.extend("mySuperText",{

		init : function(){

			this.addStyleClass("more");
		},

		renderer : {},

		onAfterRendering : function(){

			sap.m.Text.prototype.onAfterRendering.apply(this,arguments);

			var showChar = 100;
    var ellipsestext = "...";
    var moretext = "more";
    var lesstext = "less";
    $('.more').each(function() {
        var content = $(this).html();

        if(content.length > showChar) {

            var c = content.substr(0, showChar);
            var h = content.substr(showChar-1, content.length - showChar);

            var html = c + '<span class="moreellipses">' + ellipsestext+ ' </span><span class="morecontent"><span>' + h + '</span>  <a href="" class="morelink">' + moretext + '</a></span>';

            $(this).html(html);
        }

    });

    $(".morelink").click(function(){
        if($(this).hasClass("less")) {
            $(this).removeClass("less");
            $(this).html(moretext);
        } else {
            $(this).addClass("less");
            $(this).html(lesstext);
        }
        $(this).parent().prev().toggle();
        $(this).prev().toggle();
        return false;
    });
		}

	});

	var oText = new mySuperText({text : "This is a longer text: Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet." });

	oText.placeAt('content');

</script>

</head>
<body class='sapUiBody'>
    <div id='content'></div>
</body>
</html>
	<!DOCTYPE html>
	<html><head>
	<meta http-equiv='X-UA-Compatible' content='IE=edge' />
	<title>test</title>

	<script id='sap-ui-bootstrap' type='text/javascript'
	src='/sapui5/resources/sap-ui-core.js'
	data-sap-ui-theme='sap_goldreflection'
	data-sap-ui-libs='sap.m'></script>
	<!-- add 'sap.ui.table' and/or other libraries if required -->

	<style>
	a {
	color: #0254EB
	}
	a:visited {
	color: #0254EB
	}
	a.morelink {
	text-decoration:none;
	outline: none;
	}
	.morecontent span {
	display: none;
	}
	</style>

	<script>

	sap.m.Text.extend("mySuperText",{

	init : function(){

	this.addStyleClass("more");
	},

	renderer : {},

	onAfterRendering : function(){

	sap.m.Text.prototype.onAfterRendering.apply(this,arguments);

	var showChar = 100;
	var ellipsestext = "...";
	var moretext = "more";
	var lesstext = "less";
	$('.more').each(function() {
	var content = $(this).html();

	if(content.length > showChar) {

	var c = content.substr(0, showChar);
	var h = content.substr(showChar-1, content.length - showChar);

	var html = c + '<span class="moreellipses">' + ellipsestext+ ' </span><span class="morecontent"><span>' + h + '</span> <a href="" class="morelink">' + moretext + '</a></span>';

	$(this).html(html);
	}

	});

	$(".morelink").click(function(){
	if($(this).hasClass("less")) {
	$(this).removeClass("less");
	$(this).html(moretext);
	} else {
	$(this).addClass("less");
	$(this).html(lesstext);
	}
	$(this).parent().prev().toggle();
	$(this).prev().toggle();
	return false;
	});
	}

	});

	var oText = new mySuperText({text : "This is a longer text: Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet." });

	oText.placeAt('content');

	</script>

	</head>
	<body class='sapUiBody'>
	<div id='content'></div>
	</body>
	</html>