editorprovider.py

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#  Copyright 2008-2015 Nokia Networks
#  Copyright 2016-     Robot Framework Foundation
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
 
class EditorProvider():
 
    def __init__(self):
        self._editors_editors = {}
 
    def register_editor(self, key, editor, default=True):
        if key not in self._editors_editors:
            self._editors_editors[key] = _EditorList()
        self._editors_editors[key].add(editor, default)
 
    def unregister_editor(self, key, editor):
        self._editors_editors[key].remove(editor)
 
    def set_active_editor(self, key, editor):
        self._editors_editors[key].set_default(editor)
 
    def get_editor(self, key):
        return self._editors_editors[key].get()
 
    def get_editors(self, key):
        return self._editors_editors[key].get_all()
 
 
class _EditorList():
 
    def __init__(self):
        self._editors_editors = []
 
    def add(self, editor, default=True):
        if editor in self._editors_editors:
            return
        if default:
            self._editors_editors.append(editor)
        else:
            self._editors_editors.insert(0, editor)
 
    def set_default(self, editor):
        if not self._editors_editors.index(editor) == -1:
            self._editors_editors.remove(editor)
            self._editors_editors.append(editor)
 
    def remove(self, editor):
        self._editors_editors.remove(editor)
 
    def get(self):
        return self._editors_editors[-1]
 
    def get_all(self):
        return self._editors_editors