[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
I used rich:tree with lazy loading and so on. Finally i decided to not store the tree of objects in the session but only the nodes (rich TreeNodes). The application behaves very well until now. Thanx again Christian, good example here together with wiki example. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4095336#4095336 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4095336 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
I save the tree state in the session as its accessed on every page. My node objects are fairly light and I remove the nodes in closed folders (so the memory is freed) so I'm not that concerned about it being a scaling issue. If a user had tens of thousands of nodes viewable at the same time the page would be unusable slow to load. -Dustin View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4089383#4089383 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4089383 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
dustismo, where do you save the tree state in your application? If i save in session i'm wondering about scalability issues. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4089174#4089174 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4089174 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
I have an extremely similar situation in my app. I have a large tree structure that is displayed on every page. The tree can have arbitrary numbers of nodes so lazy loading is must. I needed to be able to do drag-n-drop to move nodes and folders. I first tried icefaces but had to give up because of their drag and drop support was pitiful (it had no way to add javascript hooks for things like confirm dialogs --i.e. 'are you sure you want to move this node?'). Then I tried Richfaces, god was that a nightmare. Their tree datastructure is truly bazaar and I found the performance to be horrendous. I basically wasted 4 months on icefaces and richfaces (though it's possible that their implementations have gotten better in recent versions). Then I tried ext.js and just passed my treenodes via json from a servlet. This solution has been perfect. Tree response is very fast, and I can control the drag and drop operations any way I want (plus their dnd implementation is designed to handle many many nodes). my 2 cents.. dustin View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4088970#4088970 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4088970 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
Thanx, The example looks very similar with tree/tree2 from myfaces. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4088893#4088893 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4088893 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
http://fisheye.jboss.com/browse/~raw,r=1.1/JBoss/jboss-seam/examples/wiki/src/main/org/jboss/seam/wiki/core/nestedset/package.html
http://fisheye.jboss.com/browse/JBoss/jboss-seam/examples/wiki/src/main/org/jboss/seam/wiki/core/nestedset
| public TreeNode getTree() {
| if (directoryTree == null) {
| directoryTree = new WikiTreeNodeAdapter(getInstance(),
getNodeDAO().getComparatorDisplayPosition(), 2l);
| directoryTree.loadChildren();
| }
| }
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This is high performance read-mostly tree framework with dynamic pre-fetch size
for on-demand loading of an arbitrary depth of childrens-children (in a single,
very efficient, SQL query).
The UI part is not used right now but you should be able to figure out how it
fits together if you look at the source and spend maybe 3 days on it.
Don't even start thinking about whatever magic Javascript buttons from whatever
broken JSF library you click on before you sort out the basics. I am still
looking for help implementing moving of tree nodes.
View the original post :
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=404#404
Reply to the post :
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=404
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[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
Anyone tried ICEFaces tree? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4088873#4088873 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4088873 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
[jboss-user] [JBoss Seam] - Re: left tree - explorer like application
I tried making a windows-explorer tree using a richfaces:tree... At first I tried storing my tree state in conversation context, but then I had bugs because the richfaces tree would not always pass the correct conversation context when clicking on nodes. So then I stored my tree state in the session... but then I got LazyInitializationExceptions. So then I tried using the unseamly approach of using a session-scoped entityManager. But then I had various of other bugs with the tree, and it was really slow... so then I got rid of it and decided to display my tree structure using regular html links. No bugs, and much faster. This was with richfaces 3.0.1 though... I saw that they made improvements in 3.1.0 (like recursiveTreeNodeAdapter) but my experience with with the 3.0.1 was so buggy and slow I don't want to try it again. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4088388#4088388 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4088388 ___ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user
