def insert_object(self, data):
"""
Insert any object into the selection and adjust selection
to cover the inserted object.
"""
if isinstance(self.selection, mutable.Selection):
if isinstance(self.selection.container, (mutable.Document, mutable.List)):
self.selection.splice([data])
return True
else:
mutable.get_document(self.selection).replace(self.selection, data)
self.selection = data
return True
def insert_inline_deep(self, target, block, which):
parent = find_parent_deep(mutable.get_object(self.selection), which)
if parent is None:
if self.insert_object(block):
self.selection = target
else:
document = mutable.get_document(parent)
document.replace(parent, block)
document.replace(target, parent)
self.selection = next_selection(parent)
def on_keydown(self, key, modifiers, text):
selection = self.selection
overlay = self.overlay
shift = 'shift' in modifiers
ctrl = 'ctrl' in modifiers
alt = 'alt' in modifiers
if ctrl and key == 's':
document = mutable.get_document(mutable.get_object(selection))
fileformat_flat.save_file(document.filename, mutable, document)
return
if ctrl and key == 'a':
self.selection = mutable.extend(selection)
overlay.dirty = True
return
if ctrl and key == 'left':
self.selection = walk_prev_selection(selection)
overlay.dirty = True
return
if ctrl and key == 'right':
self.selection = walk_next_selection(selection)
overlay.dirty = True
return
if isinstance(selection, mutable.Selection):
if key == 'left':
if selection.head > 0:
selection.head -= 1
else:
self.selection = prev_selection(mutable.get_object(selection))
overlay.dirty = True
return
elif key == 'right':
if selection.head < selection.last:
selection.head += 1
else:
self.selection = next_selection(mutable.get_object(selection))
overlay.dirty = True
return
elif key == 'home':
selection.head = 0
elif key == 'end':
selection.head = selection.last
if key in ('left', 'right', 'home', 'end'):
selection.tail = selection.tail if shift else selection.head
overlay.dirty = True
# if isinstance(selection.container, mutable.String):
# if not ctrl and len(text) > 0 and text.isalnum() or text in ' ':
# selection.splice(text)
# selection.start = selection.stop
if key == 'backspace' or key == 'delete':
if selection.start == selection.stop:
selection.start -= (key == 'backspace')
selection.stop += (key == 'delete')
selection.splice(u'')
selection.stop = selection.start
return
else:
parent = selection.parent
index = parent.index(selection)
if key == 'left':
self.selection = prev_selection(selection)
overlay.dirty = True
if key == 'right':
self.selection = next_selection(selection)
overlay.dirty = True
if text == '=':
target = mkstruct(u"null")
block = mkstruct(u"assign:slot:value", target, mkstruct(u"null"))
return self.insert_inline(target, block, expressions)
if alt and key == 'r':
target = mkstruct(u"null")
block = mkstruct(u"return:value", target)
return self.insert_inline_deep(target, block, expressions)
if text == '(':
target = mkstruct(u"null")
block = mkstruct(u"call:callee:arguments", target, mutable.List([]))
return self.insert_inline(target, block, expressions)
if key == 'space':
self.selection = next_selection(mutable.get_object(selection))
overlay.dirty = True
elif len(text) > 0 and not self.insert_text(text):
if text.isalpha():
target = mutable.String(u"")
if self.insert_object(mkstruct(u'variable:name', target)):
self.selection = mutable.Selection(target, 0)
self.insert_text(text)
elif text.isdigit():
target = mutable.String(u"")
if self.insert_object(mkstruct(u'number:value', target)):
self.selection = mutable.Selection(target, 0)
self.insert_text(text)