def save( manipulator, filename ):
doc = minidom.Document()
workspace = doc.createElement("workspace")
doc.appendChild( workspace )
label = doc.createElement( 'label' )
label.setAttribute( 'name', 'Visual Lambda workspace' )
workspace.appendChild( label )
items = doc.createElement('items')
workspace.appendChild( items )
for i in manipulator.items:
item = doc.createElement('item')
pos = i.position * Vector((0,0,1,1))
item.setAttribute( 'pos', '%f,%f' % (pos[0],pos[1]) )
if isinstance( i, Figure ):
refnames.reset()
item.setAttribute( 'figure', `i.expression.expr` )
elif isinstance( i, TextItem ):
item.setAttribute( 'text', i.text )
items.appendChild( item )
try:
f = open( filename, "w" )
doc.writexml( f, addindent=' ', newl='\n' )
f.close()
debug('save', 'saved to', filename )
except:
print "Error. Can't write to", filename
def load( manipulator, filename ):
try:
dom = minidom.parse( filename )
except IOError:
print "Error. Can't read", filename
return False
manipulator.items = []
for item in dom.getElementsByTagName('item'):
i = None
if item.hasAttribute('figure'):
i = Figure( item.getAttribute('figure').encode() )
elif item.hasAttribute('text'):
i = TextItem( item.getAttribute('text').encode() )
pos = item.getAttribute('pos').encode().split(',')
pos = map( float, pos )
i.position.setTranspose( pos[0],pos[1], 1 )
i.refreshTransform()
manipulator.items.append( i )
dom.unlink()
refnames.reset()
debug('save', 'loaded from', filename )
return True
def eventRefreshView( self ):
if self.items:
for item in self.items:
if isinstance( item, Figure ) and not item.eating:
self.postReduce( item ) # Some garbage or rearrange
item.detColorSpace()
item.buildGroups()
item.buildGeometry()
self.invalidate()
refnames.reset() # Reset refnames here too
def eventRefreshView(self):
if self.items:
for item in self.items:
if isinstance(item, Figure) and not item.eating:
self.postReduce(item) # Some garbage or rearrange
item.detColorSpace()
item.buildGroups()
item.buildGeometry()
self.invalidate()
refnames.reset() # Reset refnames here too