Make Cell Data Visible with a MouseMotionListener

At times, the width of a table column is so constrained that it obscures the data. Sometimes, the data is obscured because data itself too large for the cell. To alleviate this problem, you can use a MouseMotionListener to tap the mouse motion event and display the necessary data. So when the user brings the mouse cursor over a cell, the data in that cell is taken and displayed as a tooltip.

The following code sets the tooltip for the second column in a table. If the mouse cursor is moved over any other column, the tooltip is not displayed at all.

table.addMouseMotionListener(new MouseMotionAdapter() {    public void mouseMoved(MouseEvent me) {	int iRow = table.rowAtPoint(me.getPoint());	int iCol = table.columnAtPoint(me.getPoint());	if((iRow < 0) || (iCol < 0))	    return;	String toolTip = (String)table.getValueAt(iRow,iCol);	if(iCol == 2) {	    table.setToolTipText(toolTip);	} else {	    toolTip = null;	    table.setToolTipText(toolTip);	}    }});

Some values, like the Column number have been hard-coded in the interest of brevity.

Share the Post:
Share on facebook
Share on twitter
Share on linkedin


The Latest

microsoft careers

Top Careers at Microsoft

Microsoft has gained its position as one of the top companies in the world, and Microsoft careers are flourishing. This multinational company is efficiently developing popular software and computers with other consumer electronics. It is a dream come true for so many people to acquire a high paid, high-prestige job

your company's audio

4 Areas of Your Company Where Your Audio Really Matters

Your company probably relies on audio more than you realize. Whether you’re creating a spoken text message to a colleague or giving a speech, you want your audio to shine. Otherwise, you could cause avoidable friction points and potentially hurt your brand reputation. For example, let’s say you create a

chrome os developer mode

How to Turn on Chrome OS Developer Mode

Google’s Chrome OS is a popular operating system that is widely used on Chromebooks and other devices. While it is designed to be simple and user-friendly, there are times when users may want to access additional features and functionality. One way to do this is by turning on Chrome OS