Incorporate an HTML hyperlink into a table created with Google Charts

I'm having trouble getting an HTML link to display correctly in a Google Chart Table column. I have set the option for HTML to be true for both the column and the table, but it's only showing the HTML code instead of rendering the link. Can anyone offer some guidance on how to solve this issue?

Thank you

<!--
Feel free to use and modify this code sample under the terms of the Apache license (http://www.apache.org/licenses/LICENSE-2.0.html)
-->

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
    <title>
      Google Visualization API Example
    </title>
    <script type="text/javascript" src="http://www.google.com/jsapi"></script>
    <script type="text/javascript">
      google.load('visualization', '1', {packages: ['table']});
    </script>
    <script type="text/javascript">

     function drawVisualization() {
      // Create and populate the data table.
      var data = google.visualization.arrayToDataTable([
        ['Name', 'Logged In'],

        ['<a href="LINK">Item 1</a>', 'Item 2'],
     ]);

       data.setColumnProperty(0, {allowHTML: true});
   // Create and draw the visualization.
   visualization = new google.visualization.Table(document.getElementById('table'));
       visualization.draw(data, {allowHTML: true});
    }

   google.setOnLoadCallback(drawVisualization);
    </script>
  </head>
  <body style="font-family: Arial;border: 0 none;">
    <div id="table"></div>
  </body>
</html>
​

Answer №1

Remember, when using the allowHTML property, it is important to note that it must be written as {allowHtml: true} for it to work properly.

Answer №2

Utilize formatters for better results.

It is advisable not to replace values with HTML as it may impact the sorting functionality.

Answer №3

Insert a new class, DataView, between the lines of code where

visualization = new google.visualization.Table...
and
visualization.draw(data, {allowHtml: true})
. This class is used to format specific columns in the data:

For example, you can hyperlink the first column containing website names with URLs from the third column, and then hyperlink the URL string itself in the third column. The column indexes are determined by the order specified after declaring variables instead of the actual positions in the data table1.

// create formatter for website title column
var format_name = new google.visualization.PatternFormat(
'<a href="{2}">{0}</a>');

// create formatter for URL column
var format_url = new google.visualization.PatternFormat(
'<a href="{0}">{0}</a>');

// apply formatters
// specify columns 0, 1, and 2 for format_name variable
format_name.format(data, [0,1,2]);

// specify column 2 for format_url variable
format_url.format(data, [2]);

// Use DataView to create read-only view for the data table
var view = new google.visualization.DataView(data);

// Use the view instead of the original data for the data table source
visualization.draw(view, {allowHtml: true});

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