Screen shot:
My requirement is : Show some text like "click here to view details", when mouse over green/yellow/red circular symbol.
<datatable showProcessName='1' nameAlign='left' fontColor='000000' fontSize='10' vAlign='right' align='center' headerVAlign='bottom' headerAlign='left' headerbgColor='4567aa' headerFontColor='ffffff' headerFontSize='12' >
<datacolumn headerText='Issues A' headerFontSize='12' headerVAlign='bottom' headerAlign='left' align='left' fontSize='12' width='70'>
<text label='●' fontSize='28' fontColor='00FF00' link='N-http://XXXXXXXX'/>
<text label='●' fontSize='28' fontColor='FF0000' link='N-http://XXXXXXXX'/>
<text label='●' fontSize='28' fontColor='FF0000' link='N-http://XXXXXXXX'/>
</datacolumn>
<datacolumn headerText='Issues B' headerFontSize='12' headerVAlign='bottom' headerAlign='left' align='left' fontSize='12' width='60'>
<text label='●' fontSize='28' fontColor='FFFF00' link='N-http://XXXXX'/>
<text label='●' fontSize='28' fontColor='00FF00' link='N-http://XXXX'/>
<text label='●' fontSize='28' fontColor='00FF00' link='N-http://XXXXXX'/>
</datacolumn>
<datacolumn headerText='Issues C' headerFontSize='12' headerVAlign='bottom' headerAlign='left' align='left' fontSize='12' width='60'>
<text label='●' fontSize='28' fontColor='FF0000' />
<text label='●' fontSize='28' fontColor='FF0000' />
<text label='●' fontSize='28' fontColor='FF0000' />
</datacolumn>
</datatable>