codemp-sublime/plugin.py

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import sublime
import sublime_plugin
from Codemp.src.codemp_client import VirtualClient
from Codemp.src.TaskManager import rt
from Codemp.src.utils import status_log, is_active, safe_listener_detach
import Codemp.src.globals as g
CLIENT = None
TEXT_LISTENER = None
# Initialisation and Deinitialisation
##############################################################################
def plugin_loaded():
global CLIENT
global TEXT_LISTENER
# instantiate and start a global asyncio event loop.
# pass in the exit_handler coroutine that will be called upon relasing the event loop.
CLIENT = VirtualClient(disconnect_client)
TEXT_LISTENER = CodempClientTextChangeListener()
status_log("plugin loaded")
async def disconnect_client():
global CLIENT
global TEXT_LISTENER
safe_listener_detach(TEXT_LISTENER)
CLIENT.tm.stop_all()
for vws in CLIENT.workspaces.values():
vws.cleanup()
# fix me: allow riconnections
CLIENT = None
def plugin_unloaded():
global CLIENT
# releasing the runtime, runs the disconnect callback defined when acquiring the event loop.
CLIENT.tm.release(False)
status_log("plugin unloaded")
# Utils
##############################################################################
def get_contents(view):
r = sublime.Region(0, view.size())
return view.substr(r)
def populate_view(view, content):
view.run_command(
"codemp_replace_text",
{
"start": 0,
"end": view.size(),
"content": content,
"change_id": view.change_id(),
},
)
def get_view_from_local_path(path):
for window in sublime.windows():
for view in window.views():
if view.file_name() == path:
return view
# Listeners
##############################################################################
class EventListener(sublime_plugin.EventListener):
def on_exit(self) -> None:
global CLIENT
CLIENT.tm.release(True)
class CodempClientViewEventListener(sublime_plugin.ViewEventListener):
@classmethod
def is_applicable(cls, settings):
return settings.get(g.CODEMP_BUFFER_VIEW_TAG, False)
@classmethod
def applies_to_primary_view_only(cls):
return False
def on_selection_modified_async(self):
global CLIENT
vbuff = CLIENT.active_workspace.get_by_local(self.view.buffer_id())
if vbuff is not None:
CLIENT.send_cursor(vbuff)
# We only edit on one view at a time, therefore we only need one TextChangeListener
# Each time we focus a view to write on it, we first attach the listener to that buffer.
# When we defocus, we detach it.
def on_activated(self):
global TEXT_LISTENER
print("view {} activated".format(self.view.id()))
TEXT_LISTENER.attach(self.view.buffer())
def on_deactivated(self):
global TEXT_LISTENER
print("view {} deactivated".format(self.view.id()))
safe_listener_detach(TEXT_LISTENER)
def on_pre_close(self):
global TEXT_LISTENER
if is_active(self.view):
safe_listener_detach(TEXT_LISTENER)
global CLIENT
vbuff = CLIENT.active_workspace.get_by_local(self.view.buffer_id())
vbuff.cleanup()
CLIENT.tm.stop_and_pop(f"{g.BUFFCTL_TASK_PREFIX}-{vbuff.codemp_id}")
# have to run the detach logic in sync, to keep a valid reference to the view.
# sublime_asyncio.sync(buffer.detach(_client))
class CodempClientTextChangeListener(sublime_plugin.TextChangeListener):
@classmethod
def is_applicable(cls, buffer):
# don't attach this event listener automatically
# we'll do it by hand with .attach(buffer).
return False
# blocking :D
def on_text_changed(self, changes):
if (
self.buffer.primary_view()
.settings()
.get(g.CODEMP_IGNORE_NEXT_TEXT_CHANGE, None)
):
status_log("ignoring echoing back the change.")
self.view.settings()[g.CODEMP_IGNORE_NEXT_TEXT_CHANGE] = False
return
global CLIENT
vbuff = CLIENT.active_workspace.get_by_local(self.buffer.id())
CLIENT.send_buffer_change(changes, vbuff)
# Commands:
# codemp_connect: connect to a server.
# codemp_join: join a workspace with a given name within the server.
# codemp_share: shares a buffer with a given name in the workspace.
#
# Internal commands:
# replace_text: swaps the content of a view with the given text.
#
# Connect Command
#############################################################################
class CodempConnectCommand(sublime_plugin.WindowCommand):
def run(self, server_host):
global CLIENT
rt.dispatch(CLIENT.connect(server_host))
def input(self, args):
if "server_host" not in args:
return ServerHostInputHandler()
def input_description(self):
return "Server host:"
class ServerHostInputHandler(sublime_plugin.TextInputHandler):
def initial_text(self):
return "http://127.0.0.1:50051"
# Join Workspace Command
#############################################################################
class CodempJoinCommand(sublime_plugin.WindowCommand):
def run(self, workspace_id):
global CLIENT
rt.dispatch(CLIENT.join_workspace(workspace_id))
def input_description(self):
return "Join Workspace:"
def input(self, args):
if "workspace_id" not in args:
return WorkspaceIdInputHandler()
class WorkspaceIdInputHandler(sublime_plugin.TextInputHandler):
def initial_text(self):
return "What workspace should I join?"
# Join Buffer Command
#############################################################################
class CodempAttachCommand(sublime_plugin.WindowCommand):
def run(self, buffer_id):
global CLIENT
if CLIENT.active_workspace is not None:
rt.dispatch(CLIENT.active_workspace.attach(buffer_id))
else:
sublime.error_message(
"You haven't joined any worksapce yet. use `Codemp: Join Workspace`"
)
def input_description(self):
return "Join Buffer in workspace:"
# This is awful, fix it
def input(self, args):
global CLIENT
if CLIENT.active_workspace is not None:
if "buffer_id" not in args:
existing_buffers = CLIENT.active_workspace.handle.filetree()
if len(existing_buffers) == 0:
return BufferIdInputHandler()
else:
return ListBufferIdInputHandler()
else:
sublime.error_message(
"You haven't joined any worksapce yet. use `Codemp: Join Workspace`"
)
return
class BufferIdInputHandler(sublime_plugin.TextInputHandler):
def initial_text(self):
return "No buffers found in the workspace. Create new: "
class ListBufferIdInputHandler(sublime_plugin.ListInputHandler):
def name(self):
return "buffer_id"
def list_items(self):
global CLIENT
return CLIENT.active_workspace.handle.filetree()
def next_input(self, args):
if "buffer_id" not in args:
return BufferIdInputHandler()
# Text Change Command
#############################################################################
# we call this command manually to have access to the edit token.
class CodempReplaceTextCommand(sublime_plugin.TextCommand):
def run(self, edit, start, end, content, change_id):
# we modify the region to account for any change that happened in the mean time
print("running the replace command, launche manually.")
region = self.view.transform_region_from(sublime.Region(start, end), change_id)
self.view.replace(edit, region, content)
# Share Command
# #############################################################################
# class CodempShareCommand(sublime_plugin.WindowCommand):
# def run(self, sublime_buffer_path, server_id):
# sublime_asyncio.dispatch(share_buffer_command(sublime_buffer_path, server_id))
# def input(self, args):
# if "sublime_buffer" not in args:
# return SublimeBufferPathInputHandler()
# def input_description(self):
# return "Share Buffer:"
# class SublimeBufferPathInputHandler(sublime_plugin.ListInputHandler):
# def list_items(self):
# ret_list = []
# for window in sublime.windows():
# for view in window.views():
# if view.file_name():
# ret_list.append(view.file_name())
# return ret_list
# def next_input(self, args):
# if "server_id" not in args:
# return ServerIdInputHandler()
# class ServerIdInputHandler(sublime_plugin.TextInputHandler):
# def initial_text(self):
# return "Buffer name on server"
# Disconnect Command
#############################################################################
class CodempDisconnectCommand(sublime_plugin.WindowCommand):
def run(self):
rt.sync(disconnect_client())
# Proxy Commands ( NOT USED )
#############################################################################
# class ProxyCodempShareCommand(sublime_plugin.WindowCommand):
# # on_window_command, does not trigger when called from the command palette
# # See: https://github.com/sublimehq/sublime_text/issues/2234
# def run(self, **kwargs):
# self.window.run_command("codemp_share", kwargs)
#
# def input(self, args):
# if 'sublime_buffer' not in args:
# return SublimeBufferPathInputHandler()
#
# def input_description(self):
# return 'Share Buffer:'
#
# class ProxyCodempJoinCommand(sublime_plugin.WindowCommand):
# def run(self, **kwargs):
# self.window.run_command("codemp_join", kwargs)
#
# def input(self, args):
# if 'server_buffer' not in args:
# return ServerBufferInputHandler()
#
# def input_description(self):
# return 'Join Buffer:'
#
# class ProxyCodempConnectCommand(sublime_plugin.WindowCommand):
# # on_window_command, does not trigger when called from the command palette
# # See: https://github.com/sublimehq/sublime_text/issues/2234
# def run(self, **kwargs):
# self.window.run_command("codemp_connect", kwargs)
#
# def input(self, args):
# if 'server_host' not in args:
# return ServerHostInputHandler()
#
# def input_description(self):
# return 'Server host:'
# NOT NEEDED ANYMORE
# def compress_change_region(changes):
# # the bounding region of all text changes.
# txt_a = float("inf")
# txt_b = 0
# # the region in the original buffer subjected to the change.
# reg_a = float("inf")
# reg_b = 0
# # we keep track of how much the changes move the indexing of the buffer
# buffer_shift = 0 # left - + right
# for change in changes:
# # the change in characters that the change would bring
# # len(str) and .len_utf8 are mutually exclusive
# # len(str) is when we insert new text at a position
# # .len_utf8 is the length of the deleted/canceled string in the buffer
# change_delta = len(change.str) - change.len_utf8
# # the text region is enlarged to the left
# txt_a = min(txt_a, change.a.pt)
# # On insertion, change.b.pt == change.a.pt
# # If we meet a new insertion further than the current window
# # we expand to the right by that change.
# # On deletion, change.a.pt == change.b.pt - change.len_utf8
# # when we delete a selection and it is further than the current window
# # we enlarge to the right up until the begin of the deleted region.
# if change.b.pt > txt_b:
# txt_b = change.b.pt + change_delta
# else:
# # otherwise we just shift the window according to the change
# txt_b += change_delta
# # the bounding region enlarged to the left
# reg_a = min(reg_a, change.a.pt)
# # In this bit, we want to look at the buffer BEFORE the modifications
# # but we are working on the buffer modified by all previous changes for each loop
# # we use buffer_shift to keep track of how the buffer shifts around
# # to map back to the correct index for each change in the unmodified buffer.
# if change.b.pt + buffer_shift > reg_b:
# # we only enlarge if we have changes that exceede on the right the current window
# reg_b = change.b.pt + buffer_shift
# # after using the change delta, we archive it for the next iterations
# # the minus is just for being able to "add" the buffer shift with a +.
# # since we encode deleted text as negative in the change_delta, but that requires the shift to the
# # old position to be positive, and viceversa for text insertion.
# buffer_shift -= change_delta
# # print("\t[buff change]", change.a.pt, change.str, "(", change.len_utf8,")", change.b.pt)
# # print("[walking txt]", "[", txt_a, txt_b, "]", txt)
# # print("[walking reg]", "[", reg_a, reg_b, "]")
# return reg_a, reg_b