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Ok swingers
I found the (at least one) solution in the Sun
Community discussion archive "Mr jay_suri had the same problem way back in
1999"
I needed to overwrite the method
getToolTipText(MouseEvent ev) of the JList component. the mouse event gives me
the position of the mouse so I can determine on which item it is on. I was
probably day dreaming when I said this way was not working because now it
is!
About Marijn last tip, I found out that components
returned by the method getListCellRendererComponent are not currently added to
the JList panel. they are just used by the JList, which paints them in its own
graphical context. So setting a tooltips on these components is
useless.
thanks for every one help
----- Original Message -----
Sent: Thursday, June 07, 2001 10:06
AM
Subject: Re: Tooltips in JList
Hi,
Remember, you have to tell the
Tooltipmanager that it's supposed to pay attention:
ToolTipManager.sharedInstance().registerComponent(this); // "this" is a
JList-derivate
Cheers,
Marijn
----- Original Message -----
Sent: Thursday, June 07, 2001 9:09
AM
Subject: Re: Tooltips in JList
Well I tryed your solution, and ...... back to
the same point,No tooltips! the JList
component behaves like if it has one of these transparent panel on top to
catch all mouse events, so the JLabel items never know the mouse is over
them. Registering them to the ToolTipManager has no effect.
here is my extension of the
DefaultListCellRenderer class
class MyListCellRenderer
extends DefaultListCellRenderer {
public Component getListCellRendererComponent(JList list,Object value,int
index,boolean sel,boolean focus)
{
Component c =
super.getListCellRendererComponent(list,value,index,sel,focus);
if (c instanceof JLabel)
{
// System.out.println("coucou
"+String.valueOf(index));
//
ToolTipManager.sharedInstance().registerComponent((JLabel)c);
((JLabel)c).setToolTipText("My tooltip for
index "+String.valueOf(index));
}
return c;
}
}
thanks
----- Original Message -----
Sent: Wednesday, June 06, 2001 5:46
PM
Subject: Re: Tooltips in JList
IIRC DefaultListCellRenderer returns
JLabels cast to Component. So, simply cast them to JComponent, to set the
tool tip text.
Hello,
I'd like to make a JList which displays
different tooltips depending on which item the mouse is on. Is there any
simple way to do this, I did not find it, sorry!
1 - I tryed to overwrite the JList method
getToolTipText() but I am missing the position of the mouse so I can't
determine which item is under the mouse
2 - I tryed to overwrite the
DefaultListCellRenderer method getListCellRendererComponent to has a
tooltip to all of the item coponents but they are Component not
JComponent so no setTooltipText() method.
3 - I am stuck!
thanks for any advise
a++
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