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"""
Adapters
"""
from zope import interface, component
from gaphas.item import NW, SE
from gaphas import geometry
from gaphas import constraint
from gaphor import UML
from gaphor.core import inject
from gaphor.UML.umllex import render_attribute
from gaphor.diagram.interfaces import IEditor
from gaphor.diagram import items
from gaphor.misc.rattr import rgetattr, rsetattr
class CommentItemEditor(object):
"""
Text edit support for Comment item.
"""
interface.implements(IEditor)
component.adapts(items.CommentItem)
def __init__(self, item):
self._item = item
def is_editable(self, x, y):
return True
def get_text(self):
return self._item.subject.body
def get_bounds(self):
return None
def update_text(self, text):
self._item.subject.body = text
def key_pressed(self, pos, key):
pass
component.provideAdapter(CommentItemEditor)
class NamedItemEditor(object):
"""
Text edit support for Named items.
"""
interface.implements(IEditor)
component.adapts(items.NamedItem)
def __init__(self, item):
self._item = item
def is_editable(self, x, y):
return True
def get_text(self):
return self._item.subject.name
def get_bounds(self):
return None
def update_text(self, text):
self._item.subject.name = text
self._item.request_update()
def key_pressed(self, pos, key):
pass
component.provideAdapter(NamedItemEditor)
class DiagramItemTextEditor(object):
"""
Text edit support for diagram items containing text elements.
"""
interface.implements(IEditor)
component.adapts(items.DiagramItem)
def __init__(self, item):
self._item = item
self._text_element = None
def is_editable(self, x, y):
if not self._item.subject:
return False
for txt in self._item.texts():
if (x, y) in txt.bounds:
self._text_element = txt
break
return self._text_element is not None
def get_text(self):
if self._text_element:
return rgetattr(self._item.subject, self._text_element.attr)
def get_bounds(self):
return None
def update_text(self, text):
if self._text_element:
self._text_element.text = text
rsetattr(self._item.subject, self._text_element.attr, text)
def key_pressed(self, pos, key):
pass
component.provideAdapter(DiagramItemTextEditor)
class ClassifierItemEditor(object):
"""
Text editor support for Classifiers. Also features contained in Classifiers'
compartments are edited through this interface.
"""
interface.implements(IEditor)
component.adapts(items.ClassifierItem)
def __init__(self, item):
self._item = item
self._edit = None
def is_editable(self, x, y):
"""
Find out what's located at point (x, y), is it in the
name part or is it text in some compartment
"""
self._edit = self._item.item_at(x, y)
return bool(self._edit and self._edit.subject)
def get_text(self):
if hasattr(self._edit.subject, 'render'):
return self._edit.subject.render()
return self._edit.subject.name
def get_bounds(self):
return None
def update_text(self, text):
if hasattr(self._edit.subject, 'parse'):
return self._edit.subject.parse(text)
else:
self._item.subject.name = text
def key_pressed(self, pos, key):
pass
component.provideAdapter(ClassifierItemEditor)
class AssociationItemEditor(object):
interface.implements(IEditor)
component.adapts(items.AssociationItem)
def __init__(self, item):
self._item = item
self._edit = None
def is_editable(self, x, y):
"""Find out what's located at point (x, y), is it in the
name part or is it text in some compartment
"""
item = self._item
if not item.subject:
return False
if item.head_end.point(x, y) <= 0:
self._edit = item.head_end
elif item.tail_end.point(x, y) <= 0:
self._edit = item.tail_end
else:
self._edit = item
return True
def get_text(self):
if self._edit is self._item:
return self._edit.subject.name
return render_attribute(self._edit.subject)
def get_bounds(self):
return None
def update_text(self, text):
if hasattr(self._edit.subject, 'parse'):
return self._edit.subject.parse(text)
else:
self._item.subject.name = text
def key_pressed(self, pos, key):
pass
component.provideAdapter(AssociationItemEditor)
class ForkNodeItemEditor(object):
"""Text edit support for fork node join specification.
"""
interface.implements(IEditor)
component.adapts(items.ForkNodeItem)
element_factory = inject('element_factory')
def __init__(self, item):
self._item = item
def is_editable(self, x, y):
return True
def get_text(self):
"""
Get join specification text.
"""
if self._item.subject.joinSpec:
return self._item.subject.joinSpec.value
else:
return ''
def get_bounds(self):
return None
def update_text(self, text):
"""
Set join specification text.
"""
spec = self._item.subject.joinSpec
if not spec:
spec = self._item.subject.joinSpec = self.element_factory.create(UML.LiteralSpecification)
spec.value = text
def key_pressed(self, pos, key):
pass
component.provideAdapter(ForkNodeItemEditor)
# vim:sw=4:et:ai
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