def initContactAddRemoveButtons(self):
# New item button
newItem = Button('+')
newItem.addCallback(onNew, ClickEvent, self)
self._bottomLeftCorner.addComponent(newItem)
# Remove item button
self._contactRemovalButton = Button('-')
self._contactRemovalButton.addCallback(onRemove, ClickEvent, self)
self._contactRemovalButton.setVisible(False)
self._bottomLeftCorner.addComponent(self._contactRemovalButton)
def initContactAddRemoveButtons(self):
# New item button
newItem = Button('+')
newItem.addCallback(onNew, ClickEvent, self)
self._bottomLeftCorner.addComponent(newItem)
# Remove item button
self._contactRemovalButton = Button('-')
self._contactRemovalButton.addCallback(onRemove, ClickEvent, self)
self._contactRemovalButton.setVisible(False)
self._bottomLeftCorner.addComponent(self._contactRemovalButton)
def add_button ( self, action, bbox, method=None, enabled=True,
name=None, default=False ):
""" Creates a button.
"""
ui = self.ui
if ((action.defined_when != '') and
(not ui.eval_when( action.defined_when ))):
return None
if name is None:
name = action.name
id = action.id
button = Button( str(name) )
bbox.addComponent(button)
bbox.setComponentAlignment(button, Alignment.MIDDLE_RIGHT)
if default:
button.focus()
button.setEnabled(enabled)
if (method is None) or (action.enabled_when != '') or (id != ''):
editor = ButtonEditor( ui = ui,
action = action,
control = button )
if id != '':
ui.info.bind( id, editor )
if action.visible_when != '':
ui.add_visible( action.visible_when, editor )
if action.enabled_when != '':
ui.add_enabled( action.enabled_when, editor )
if method is None:
method = editor.perform
if method is not None:
button.addCallback(method, ClickEvent)
if action.tooltip != '':
button.setDescription(action.tooltip)
return button
class SimpleAddressBook(Application):
_fields = [
'First Name', 'Last Name', 'Company', 'Mobile Phone', 'Work Phone',
'Home Phone', 'Work Email', 'Home Email', 'Street', 'Zip', 'City',
'State', 'Country'
]
_visibleCols = ['Last Name', 'First Name', 'Company']
def __init__(self):
super(SimpleAddressBook, self).__init__()
self._contactList = Table()
self._contactEditor = Form()
self._bottomLeftCorner = HorizontalLayout()
self._contactRemovalButton = None
self._addressBookData = self.createDummyData()
def init(self):
self.initLayout()
self.initContactAddRemoveButtons()
self.initAddressList()
self.initFilteringControls()
def initLayout(self):
splitPanel = HorizontalSplitPanel()
self.setMainWindow(Window('Address Book', splitPanel))
left = VerticalLayout()
left.setSizeFull()
left.addComponent(self._contactList)
self._contactList.setSizeFull()
left.setExpandRatio(self._contactList, 1)
splitPanel.addComponent(left)
splitPanel.addComponent(self._contactEditor)
self._contactEditor.setSizeFull()
self._contactEditor.getLayout().setMargin(True)
self._contactEditor.setImmediate(True)
self._bottomLeftCorner.setWidth('100%')
left.addComponent(self._bottomLeftCorner)
def initContactAddRemoveButtons(self):
# New item button
newItem = Button('+')
newItem.addCallback(onNew, ClickEvent, self)
self._bottomLeftCorner.addComponent(newItem)
# Remove item button
self._contactRemovalButton = Button('-')
self._contactRemovalButton.addCallback(onRemove, ClickEvent, self)
self._contactRemovalButton.setVisible(False)
self._bottomLeftCorner.addComponent(self._contactRemovalButton)
def initAddressList(self):
self._contactList.setContainerDataSource(self._addressBookData)
self._contactList.setVisibleColumns(self._visibleCols)
self._contactList.setSelectable(True)
self._contactList.setImmediate(True)
self._contactList.addCallback(onContactChange, field.ValueChangeEvent,
self)
return self._visibleCols
def initFilteringControls(self):
for pn in self._visibleCols:
sf = TextField()
self._bottomLeftCorner.addComponent(sf)
sf.setWidth("100%")
sf.setValue(pn)
sf.setImmediate(True)
self._bottomLeftCorner.setExpandRatio(sf, 1)
sf.addCallback(onFilterChange, property.ValueChangeEvent, pn, sf,
self)
@classmethod
def createDummyData(cls):
fnames = [
'Peter', 'Alice', 'Joshua', 'Mike', 'Olivia', 'Nina', 'Alex',
'Rita', 'Dan', 'Umberto', 'Henrik', 'Rene', 'Lisa', 'Marge'
]
lnames = [
'Smith', 'Gordon', 'Simpson', 'Brown', 'Clavel', 'Simons', 'Verne',
'Scott', 'Allison', 'Gates', 'Rowling', 'Barks', 'Ross',
'Schneider', 'Tate'
]
ic = IndexedContainer()
for p in cls._fields:
ic.addContainerProperty(p, str, '')
for _ in range(1000):
idd = ic.addItem()
fname = fnames[int(len(fnames) * random())]
ic.getContainerProperty(idd, 'First Name').setValue(fname)
lname = lnames[int(len(lnames) * random())]
ic.getContainerProperty(idd, 'Last Name').setValue(lname)
return ic
class SimpleAddressBook(Application):
_fields = ['First Name', 'Last Name', 'Company', 'Mobile Phone',
'Work Phone', 'Home Phone', 'Work Email', 'Home Email',
'Street', 'Zip', 'City', 'State', 'Country']
_visibleCols = ['Last Name', 'First Name', 'Company']
def __init__(self):
super(SimpleAddressBook, self).__init__()
self._contactList = Table()
self._contactEditor = Form()
self._bottomLeftCorner = HorizontalLayout()
self._contactRemovalButton = None
self._addressBookData = self.createDummyData()
def init(self):
self.initLayout()
self.initContactAddRemoveButtons()
self.initAddressList()
self.initFilteringControls()
def initLayout(self):
splitPanel = HorizontalSplitPanel()
self.setMainWindow(Window('Address Book', splitPanel))
left = VerticalLayout()
left.setSizeFull()
left.addComponent(self._contactList)
self._contactList.setSizeFull()
left.setExpandRatio(self._contactList, 1)
splitPanel.addComponent(left)
splitPanel.addComponent(self._contactEditor)
self._contactEditor.setSizeFull()
self._contactEditor.getLayout().setMargin(True)
self._contactEditor.setImmediate(True)
self._bottomLeftCorner.setWidth('100%')
left.addComponent(self._bottomLeftCorner)
def initContactAddRemoveButtons(self):
# New item button
newItem = Button('+')
newItem.addCallback(onNew, ClickEvent, self)
self._bottomLeftCorner.addComponent(newItem)
# Remove item button
self._contactRemovalButton = Button('-')
self._contactRemovalButton.addCallback(onRemove, ClickEvent, self)
self._contactRemovalButton.setVisible(False)
self._bottomLeftCorner.addComponent(self._contactRemovalButton)
def initAddressList(self):
self._contactList.setContainerDataSource(self._addressBookData)
self._contactList.setVisibleColumns(self._visibleCols)
self._contactList.setSelectable(True)
self._contactList.setImmediate(True)
self._contactList.addCallback(onContactChange, field.ValueChangeEvent,
self)
return self._visibleCols
def initFilteringControls(self):
for pn in self._visibleCols:
sf = TextField()
self._bottomLeftCorner.addComponent(sf)
sf.setWidth("100%")
sf.setValue(pn)
sf.setImmediate(True)
self._bottomLeftCorner.setExpandRatio(sf, 1)
sf.addCallback(onFilterChange, property.ValueChangeEvent,
pn, sf, self)
@classmethod
def createDummyData(cls):
fnames = ['Peter', 'Alice', 'Joshua', 'Mike', 'Olivia', 'Nina', 'Alex',
'Rita', 'Dan', 'Umberto', 'Henrik', 'Rene', 'Lisa', 'Marge']
lnames = ['Smith', 'Gordon', 'Simpson', 'Brown', 'Clavel', 'Simons',
'Verne', 'Scott', 'Allison', 'Gates', 'Rowling', 'Barks',
'Ross', 'Schneider', 'Tate']
ic = IndexedContainer()
for p in cls._fields:
ic.addContainerProperty(p, str, '')
for _ in range(1000):
idd = ic.addItem()
fname = fnames[int( len(fnames) * random() )]
ic.getContainerProperty(idd, 'First Name').setValue(fname)
lname = lnames[int( len(lnames) * random() )]
ic.getContainerProperty(idd, 'Last Name').setValue(lname)
return ic
class SimpleEditor ( CustomEditor ):
""" Simple style of editor for instances, which displays a button. Clicking
the button displays a dialog box in which the instance can be edited.
"""
# Class constants:
orientation = 'horizontal'
extra = 2
#---------------------------------------------------------------------------
# Creates the editor control:
#---------------------------------------------------------------------------
def create_editor(self, parent, layout):
""" Creates the editor control (a button).
"""
self._button = Button()
layout.addComponent(self._button)
self._button.addCallback(self.edit_instance, ClickEvent)
#---------------------------------------------------------------------------
# Edit the contents of the object trait when the user clicks the button:
#---------------------------------------------------------------------------
def edit_instance(self, event):
""" Edit the contents of the object trait when the user clicks the
button.
"""
# Create the user interface:
factory = self.factory
view = self.ui.handler.trait_view_for( self.ui.info, factory.view,
self.value, self.object_name,
self.name )
ui = self.value.edit_traits( view, kind=factory.kind, id=factory.id )
# Make sure the editor is properly disposed
# QtCore.QObject.connect( self._button, QtCore.SIGNAL( 'destroyed()' ),
# lambda: ui.dispose() )
# Check to see if the view was 'modal', in which case it will already
# have been closed (i.e. is None) by the time we get control back:
if ui.control is not None:
# Position the window on the display:
position_window( ui.control )
# Chain our undo history to the new user interface if it does not
# have its own:
if ui.history is None:
ui.history = self.ui.history
#---------------------------------------------------------------------------
# Resynchronizes the contents of the editor when the object trait changes
# external to the editor:
#---------------------------------------------------------------------------
def resynch_editor ( self ):
""" Resynchronizes the contents of the editor when the object trait
changes externally to the editor.
"""
button = self._button
if button is not None:
label = self.factory.label
if label == '':
label = user_name_for( self.name )
button.setCaption( str(label) )
button.setEnabled(isinstance(self.value, HasTraits))
