I don't know if this code is of any use, it's working ok for me.
Below is the code I'm calling from buttons. When I rclick on
the "session" button, my choices are save, load, clear, refresh,
snapshot-save, snapshot-load
get_session: create a node describing the current state
After the node is created I give it a descriptive headline
load_session: open according to the UNLs
opens the files, sets currentPosition
clear_session: close all other tabs
session_save_snapshot: write to a file
session_load_snapshot: read from a file
I had hoped to hook snapshots to events - resume with the previous state active,
however I couldn't get that to work.
Another button: "refresh" calls get_session and updates the current node
instead of creating a new one.
------------------------------------------------------
def get_session():
"""Return a list of UNLs for open tabs.
"""
tabs = g.app.windowList
UNLs = []
for tab in tabs:
current = tab.c.currentPosition()
UNLs.append(current.get_UNL())
return UNLs
def load_session(c, UNLs):
"""Open a tab for each item in UNLs.
"""
for UNL in UNLs:
fname, unl = UNL.split("#")
ok, frame = g.openWithFileName(fname, c)
if ok:
this_c = frame.c
for pos in this_c.all_positions():
if pos.get_UNL() == unl:
this_c.setCurrentPosition(pos)
this_c.redraw()
break
def clear_session(c):
"""Close other tabs.
The other session functions don't require parameters, use leotools.g
I don't know how to get this filename from g, hence the ``c`` arg.
"""
this_fname = c.fileName()
tabs = g.app.windowList
cmdrs = [tab.c for tab in tabs]
for cmdr in cmdrs:
if cmdr.fileName() !=this_fname:
cmdr.close()
def session_save_snapshot():
import json
session = get_session()
with file('leo.session', 'w') as f:
json.dump(session, f)
f.close()
def session_load_snapshot():
import json
with file('leo.session') as f:
session = json.loads(f.read())
return session
On Thu, Oct 27, 2011 at 12:59 PM, Edward K. Ream <[email protected]> wrote:
> On Thu, Oct 20, 2011 at 3:13 PM, ilkosta
> <[email protected]> wrote:
>
>>> This is the recommended way to have Leo load multiple files. Why is
>>> not good enough?
>
>> In my workbook.leo I use a button that pickle the session in the
>> unknownAttribute of a time-node child of a day-node, where I can put
>> some comment of what I'm doing in the body.
>> There are also a button to restore the pickled session from the
>> current node.
>> I use this method from the day of the @session fun post and I found
>> this solution very useful, especially because it allows me to jump to
>> the precise UNL of each project that I was editing.
>> That has also changed my initial habit of keeping everything in one
>> big leo file.
>
> My apologies for the delay in responding. I'm still buried in email.
>
> Ok. I'm convinced. Support for sessions makes sense.
>
> Edward
>
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