| Tree issue [message #78711] |
Wed, 19 March 2008 01:49  |
Eclipse User |
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Originally posted by: dnise.hotmail.com
--nextPart1592225.AERze1anHf
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8Bit
Hi all:
For the moment,we can set image for TreeViewer in RAP using LabelProvider.
According to the structures estimation whether is file or content, we can
set different image for treeItem.That's okay,we can complete that in RAP
FrameWork. Tree is an important function which lists the structural
information of diretory. Assume there is directory "A" which contains many
other files. I show its structure as follows.
+ A
| -B
| +C
| -D
Now ,if i click "+", it will turn up all the files in these directory. if I
click again. it will list all .In Rap,we can replace "+","-" to image,
using LabelProvider,we set image for TreeItem,But how could I change
picture for display? Maybe it's in the abstract.Let me explain it clearly.
For instance using said structure .Now if I click "A", I want set a
image(as "open.gif") for "+". If I click it again ,I want set an other
image(as "close.gif"). i have to change one image("open.gif") to
other("close.gif"). can rap implement this ?? I also set a picture show
what i want to do .. the Picture as follows:
--nextPart1592225.AERze1anHf
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--nextPart1592225.AERze1anHf--
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| Re: Tree issue [message #78884 is a reply to message #78711] |
Sun, 23 March 2008 14:35  |
 Benjamin Muskalla
Messages: 237
Registered: July 2009 |
Senior Member |
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Hi dnise,
I'm not completely sure if I understand it correctly but let's try to
solve the problem.
If just want two images for a TreeItem depending on it's collapsed
state. "ImageA" for a regular TreeItem, "ImageB" for a collapsed item.
Currently I'm not aware of any mechanism provided by SWT but you could
do it with a TreeListener which changes the image of the item of the
open/close event. Maybe this solves your problem.
Greets
Benny
dnise wrote:
> Hi all:
> For the moment,we can set image for TreeViewer in RAP using LabelProvider.
> According to the structures estimation whether is file or content, we can
> set different image for treeItem.That's okay,we can complete that in RAP
> FrameWork. Tree is an important function which lists the structural
> information of diretory. Assume there is directory "A" which contains many
> other files. I show its structure as follows.
> + A
> | -B
> | +C
> | -D
> Now ,if i click "+", it will turn up all the files in these directory. if I
> click again. it will list all .In Rap,we can replace "+","-" to image,
> using LabelProvider,we set image for TreeItem,But how could I change
> picture for display? Maybe it's in the abstract.Let me explain it clearly.
> For instance using said structure .Now if I click "A", I want set a
> image(as "open.gif") for "+". If I click it again ,I want set an other
> image(as "close.gif"). i have to change one image("open.gif") to
> other("close.gif"). can rap implement this ?? I also set a picture show
> what i want to do .. the Picture as follows:
>
>
>
> ------------------------------------------------------------ ------------
>
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