Thanks for checking Martin.
I found this thread about the ProgressiveLoader, but I can't seems to wrap my
head around the mechanism. Do you think this applies? FYI, I'm pretty new to
Qooxdoo and Javascript in general.
http://qooxdoo.678.n2.nabble.com/qooxdoo-your-script-is-running-too-slowly-td5733059.html#a5733211
Thanks,
Rich
From: Martin Wittemann [mailto:[email protected]]
Sent: Friday, September 28, 2012 12:16 AM
To: qooxdoo Development
Subject: Re: [qooxdoo-devel] TreeVirtual and IE8
Hey,
a quick check at the code did not tell me much about it. But it seems like
there is no batch mode in the current implementation for setting tree nodes
open / close so every close triggers a reflow.
Sorry,
Martin
Am 25.09.2012 um 05:16 schrieb Richard Suematsu <[email protected]>:
I'm using TreeVirtual and I created buttons to expand and collapse all nodes
within the tree. Under IE8, the expand runs slow enough that I get the "Stop
running this script?" message box. Any suggestions on how to speed it up?
Collapse is quick. The slow part appears to be the nodeSetOpened call.
Here's my code-
var treeData = tree.getDataModel().getData();
for (var i = treeData.length - 1; i > 0; i--) {
if (treeData[i]) {
tree.nodeSetOpened(treeData[i], true);
}
}
If I had to guess, it's the screen updates between each call that is slowing it
down. Is there a way to disable it while updating all the nodes?
Thanks,
Rich
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