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ScrollPane and Table

Posted on 2004-10-11
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Last Modified: 2010-08-05
Hello,
I have a table (colums and rows not fixed), but table's size is fixed. Now I want to have a scrollpane in both horizontal side and vertical size. I saw several examples which have a scrollpane just in vertical size.
For exp, my table have 20 colums, and 40 rows. Now, in viewport, we can see 10 colums and 20 rows, so I'd like to  use scrollpane to view all table.
Please help me as soon as possible
Thanks a lot
NN
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Question by:nphnhi
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Expert Comment

by:zzynx
ID: 12275641
If you just place your table in a JScrollPane you should have vertical as well as horizontal scrollbars
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Expert Comment

by:zzynx
ID: 12275650
...automatically
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Accepted Solution

by:
zzynx earned 100 total points
ID: 12275667
JScrollPane yourScrollPane = new JScrollPane();
yourScrollPane.setViewportView(yourTable);

whateverComponent.add( yourScrollPane );  // instead of yourTable
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Expert Comment

by:expertmb
ID: 12275686
you can explicitly
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED
JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED
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Expert Comment

by:zzynx
ID: 12275711
Not really needed.
The JScrollPane constructor without any paremeters creates a JScrollPane where both horizontal and vertical scrollbars appear when needed
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Expert Comment

by:expertmb
ID: 12275731
i know that,
incase you want to have always then you can use above policy enforced.
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LVL 37

Expert Comment

by:zzynx
ID: 12275770
>>incase you want to have always then you can use above policy enforced.
Incorrect. Then you can

yourScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
yourScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);

( xxx_ALWAYS instead of xxx_AS_NEEDED)
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Expert Comment

by:expertmb
ID: 12275795
>>Incorrect. Then you can
zzynx,
dont go by literally, what i said is you can explicilty set the scrollbar policy to ALWAYS
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS

and i know the syntax also.
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Author Comment

by:nphnhi
ID: 12275834
No, I mean with 20colums, we can see 10 colums, and user srollbar (horizontal) to srcoll to view the rest
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Expert Comment

by:zzynx
ID: 12275842
Sorry, but this is what you said:

>>you can explicitly
>>JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED
>>JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED

(remark:  xxx_AS_NEEDED)

I think a correction was needed for the author of this question not to be mislead. (no offence meant)
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LVL 37

Expert Comment

by:zzynx
ID: 12275860
>> No, I mean with 20colums, we can see 10 colums, and user srollbar (horizontal) to srcoll to view the rest
The number of columns is irrelevant. The scrollbars will appear ***when needed***.
That means: as much columns as possible will be shown. The rest of the columns will be "reachable" by scrolling
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Author Comment

by:nphnhi
ID: 12276105
I found an example :)
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Expert Comment

by:zzynx
ID: 12276119
What do you mean by that?
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