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#
# Copyright (C) 2016-2019 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
#
# This file is part of Power Sequencer.
#
# Power Sequencer is free software: you can redistribute it and/or modify it under the terms of the
# GNU General Public License as published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# Power Sequencer is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with Power Sequencer. If
# not, see <https://www.gnu.org/licenses/>.
#
import bpy
from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
# TODO: rewrite to sync strips to corresponding identifiers instead
# See https://github.com/GDquest/Blender-power-sequencer/issues/55
class POWER_SEQUENCER_OT_synchronize_titles(bpy.types.Operator):
"""
*brief* Snap the selected image or text strips to the corresponding title marker
The marker and strip names have to start with TITLE-001
"""
doc = {
"name": doc_name(__qualname__),
"demo": "",
"description": doc_description(__doc__),
"shortcuts": [],
"keymap": "Sequencer",
}
bl_idname = doc_idname(__qualname__)
bl_label = doc["name"]
bl_description = doc_brief(doc["description"])
bl_options = {"REGISTER", "UNDO"}
TITLE_REGEX = r"^TITLE-?([0-9]+)-?"
@classmethod
def poll(cls, context):
return context.scene.sequence_editor
def execute(self, context):
markers = context.scene.timeline_markers
selection = context.selected_sequences
if not markers and selection:
if not markers:
self.report({"INFO"}, "No markers, operation cancelled.")
else:
self.report({"INFO"}, "No sequences selected, operation cancelled.")
return {"CANCELLED"}
title_markers = self.find_markers(context, self.TITLE_REGEX)
if not title_markers:
self.report({"INFO"}, "No title markers found, operation cancelled.")
matched = self.match_sequences_and_markers(selection, title_markers, self.TITLE_REGEX)
for s, m in matched:
s.frame_start = m.frame
return {"FINISHED"}
def match_sequences_and_markers(self, sequences, markers, regex):
"""Takes a list of sequences, of markers, and checks if they both
match a regular expression.
Returns a list of pairs of sequence and marker as tuples
Args:
- sequences, the list of sequences
- markers, a list of markers
- regex, the regular expression to match"""
if not sequences and markers and regex:
raise AttributeError("missing attributes")
import re
from .utils.global_settings import SequenceTypes
sequences = (s for s in sequences if s.type not in SequenceTypes.EFFECT)
return_list = []
re_title = re.compile(regex)
for s in sequences:
found = re_title.match(s.name)
title_id = int(found.group(1)) if found else None
for m in markers:
found = re_title.match(m.name)
marker_id = int(found.group(1)) if found else None
if marker_id == title_id:
return_list.append((s, m))
break
return return_list
def find_markers(self, context, regex):
"""Finds and returns all markers using REGEX
Args:
- regex, the re match pattern to use"""
if not regex:
raise AttributeError("regex parameter missing")
import re
regex = re.compile(regex)
markers = context.scene.timeline_markers
markers = (m for m in markers if regex.match(m.name))
return markers
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