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[tracecompass-dev] Search capabilities in Time Graph views
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Hello
I have done an investigation on how to support searching in the Time
Graph views (e.g. the Control Flow view or Resources view). Right now,
there are no means available for that. Only filtering is possible.
I think it would be useful to allow the user to find certain entries in
these views. In case of the Control Flow view, users would be able to
search for a process name, thread ID etc.
I suggest to add a command to open a search dialog. This command can be
provided as view menu item, button and short-cut. The button in the
toolbar could be omitted because the toolbar seems to get crowded. For
the key short-cut, I would propose CTRL+F, which is the standard Eclipse
short-cut for find.
For the dialog I have looked at 2 alternatives:
Alternative 1) will open a dialog similar to the standard Eclipse
Find/Replace dialog. It will have a text field that where the user can
enter the search string. This can be realized by a combo box to be able
save several previous searches. The options to search forward, backwards
as well as options to search whole words, case-sensitive and regular
expressions can be provided. The latter three will be enabled by
checkboxes. In case of a tree with columns (Time Graph Combo, e.g.
Control Flow view), the search operation will search through all the
columns for each row in the view. (see
https://wiki.eclipse.org/images/6/6b/TraceCompass_FindDialog_Standard.png).
With this alternative is should be also straight forward to add support
for find next/previous using a short-cut (e.g. CTRL+K).
Alternative 2) will be a similar to the filter dialog that is currently
available. The dialog will have a text box for entering the search
string. Also it will show the Time Graph entries as a tree. When
entering a string the tree will filter out non matching items. This will
help users to narrow down the exact item that user is searching for.
(See
https://wiki.eclipse.org/images/2/2a/TraceCompass_FindDialog_Filter.png).
I personally tend to alternative 1) since it seems more natural for a
find feature.
Thoughts?
Cheers
Bernd
