def __init__(self):
super(TextFieldInputPromptExample, self).__init__()
# add some 'air' to the layout
self.setSpacing(True)
self.setMargin(True, False, False, False)
# Username field + input prompt
username = TextField()
username.setInputPrompt('Username')
# configure & add to layout
username.setImmediate(True)
username.addListener(self, IValueChangeListener)
self.addComponent(username)
# Password field + input prompt
password = PasswordField()
password.setInputPrompt('Password')
# configure & add to layout
password.setImmediate(True)
password.addListener(self, IValueChangeListener)
self.addComponent(password)
# Comment field + input prompt
comment = TextArea()
comment.setInputPrompt('Comment')
# configure & add to layout
comment.setRows(3)
comment.setImmediate(True)
comment.addListener(self, IValueChangeListener)
self.addComponent(comment)
def __init__(self):
super(ValidationExample, self).__init__()
self._usernames = set()
self.setSpacing(True)
pin = TextField('PIN')
pin.setWidth('50px')
# optional; validate at once instead of when clicking 'save' (e.g)
pin.setImmediate(True)
self.addComponent(pin)
# add the validator
pin.addValidator(StringLengthValidator('Must be 4-6 characters',
4, 6, False))
username = TextField('Username')
# optional; validate at once instead of when clicking 'save' (e.g)
username.setImmediate(True)
self.addComponent(username)
usernameValidator = CompositeValidator()
username.addValidator(usernameValidator)
usernameValidator.addValidator(StringLengthValidator('Username'
' must be at least 4 characters', 4, 255, False))
usernameValidator.addValidator(UsernameValidator(self))
username.addListener(UsernameListener(self), IValueChangeListener)
def __init__(self):
super(TextFieldInputPromptExample, self).__init__()
# add some 'air' to the layout
self.setSpacing(True)
self.setMargin(True, False, False, False)
# Username field + input prompt
username = TextField()
username.setInputPrompt('Username')
# configure & add to layout
username.setImmediate(True)
username.addListener(self, IValueChangeListener)
self.addComponent(username)
# Password field + input prompt
password = PasswordField()
password.setInputPrompt('Password')
# configure & add to layout
password.setImmediate(True)
password.addListener(self, IValueChangeListener)
self.addComponent(password)
# Comment field + input prompt
comment = TextArea()
comment.setInputPrompt('Comment')
# configure & add to layout
comment.setRows(3)
comment.setImmediate(True)
comment.addListener(self, IValueChangeListener)
self.addComponent(comment)
def __init__(self):
super(ValidationExample, self).__init__()
self._usernames = set()
self.setSpacing(True)
pin = TextField('PIN')
pin.setWidth('50px')
# optional; validate at once instead of when clicking 'save' (e.g)
pin.setImmediate(True)
self.addComponent(pin)
# add the validator
pin.addValidator(
StringLengthValidator('Must be 4-6 characters', 4, 6, False))
username = TextField('Username')
# optional; validate at once instead of when clicking 'save' (e.g)
username.setImmediate(True)
self.addComponent(username)
usernameValidator = CompositeValidator()
username.addValidator(usernameValidator)
usernameValidator.addValidator(
StringLengthValidator('Username'
' must be at least 4 characters', 4, 255,
False))
usernameValidator.addValidator(UsernameValidator(self))
username.addListener(UsernameListener(self), IValueChangeListener)
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)
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)
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.addListener(TextChangeListener(pn, sf, self),
IValueChangeListener)
class TextFieldSingleExample(VerticalLayout, IValueChangeListener):
def __init__(self):
super(TextFieldSingleExample, self).__init__()
self.setSpacing(True)
self._editor = TextField('Echo this:')
self._editor.addListener(self, IValueChangeListener)
self._editor.setImmediate(True)
# editor.setColumns(5) # guarantees that at least 5 chars fit
self.addComponent(self._editor)
# Catch the valuechange event of the textfield and update the value of the
# label component
def valueChange(self, event):
# Show the new value we received
self.getWindow().showNotification(self._editor.getValue())
class TextFieldSingleExample(VerticalLayout, IValueChangeListener):
def __init__(self):
super(TextFieldSingleExample, self).__init__()
self.setSpacing(True)
self._editor = TextField('Echo this:')
self._editor.addListener(self, IValueChangeListener)
self._editor.setImmediate(True)
# editor.setColumns(5) # guarantees that at least 5 chars fit
self.addComponent(self._editor)
# Catch the valuechange event of the textfield and update the value of the
# label component
def valueChange(self, event):
# Show the new value we received
self.getWindow().showNotification(self._editor.getValue())
class TreeSingleSelectExample(HorizontalLayout, IValueChangeListener,
button.IClickListener, action.IHandler):
# Actions for the context menu
_ACTION_ADD = Action('Add child item')
_ACTION_DELETE = Action('Delete')
def __init__(self):
super(TreeSingleSelectExample, self).__init__()
self.setSpacing(True)
# Create the Tree,a dd to layout
self._tree = Tree('Hardware Inventory')
self.addComponent(self._tree)
# Contents from a (prefilled example) hierarchical container:
self._tree.setContainerDataSource(ExampleUtil.getHardwareContainer())
# Add Valuechangelistener and Actionhandler
self._tree.addListener(self, IValueChangeListener)
# Add actions (context menu)
self._tree.addActionHandler(self)
# Cause valueChange immediately when the user selects
self._tree.setImmediate(True)
# Set tree to show the 'name' property as caption for items
self._tree.setItemCaptionPropertyId(ExampleUtil.hw_PROPERTY_NAME)
self._tree.setItemCaptionMode(AbstractSelect.ITEM_CAPTION_MODE_PROPERTY)
# Expand whole tree
for idd in self._tree.rootItemIds():
self._tree.expandItemsRecursively(idd)
# Create the 'editor bar' (textfield and button in a horizontallayout)
self._editBar = HorizontalLayout()
self._editBar.setMargin(False, False, False, True)
self._editBar.setEnabled(False)
self.addComponent(self._editBar)
# textfield
self._editor = TextField('Item name')
self._editor.setImmediate(True)
self._editBar.addComponent(self._editor)
# apply-button
self._change = Button('Apply', self)#, 'buttonClick') FIXME: listener
self._editBar.addComponent(self._change)
self._editBar.setComponentAlignment(self._change, Alignment.BOTTOM_LEFT)
def valueChange(self, event):
if event.getProperty().getValue() is not None:
# If something is selected from the tree, get it's 'name' and
# insert it into the textfield
val = self._tree.getItem(
event.getProperty().getValue()).getItemProperty(
ExampleUtil.hw_PROPERTY_NAME)
self._editor.setValue(val)
self._editor.requestRepaint()
self._editBar.setEnabled(True)
else:
self._editor.setValue('')
self._editBar.setEnabled(False)
def buttonClick(self, event):
# If the edited value contains something, set it to be the item's new
# 'name' property
if not (self._editor.getValue() == ''):
item = self._tree.getItem(self._tree.getValue())
name = item.getItemProperty(ExampleUtil.hw_PROPERTY_NAME)
name.setValue(self._editor.getValue())
# Returns the set of available actions
def getActions(self, target, sender):
return [self._ACTION_ADD, self._ACTION_DELETE]
# Handle actions
def handleAction(self, a, sender, target):
if a == self._ACTION_ADD:
# Allow children for the target item, and expand it
self._tree.setChildrenAllowed(target, True)
self._tree.expandItem(target)
# Create new item, set parent, disallow children (= leaf node)
itemId = self._tree.addItem()
self._tree.setParent(itemId, target)
self._tree.setChildrenAllowed(itemId, False)
# Set the name for this item (we use it as item caption)
item = self._tree.getItem(itemId)
name = item.getItemProperty(ExampleUtil.hw_PROPERTY_NAME)
name.setValue('New Item')
elif a == self._ACTION_DELETE:
parent = self._tree.getParent(target)
self._tree.removeItem(target)
# If the deleted object's parent has no more children, set it's
# childrenallowed property to false (= leaf node)
if parent is not None and len(self._tree.getChildren(parent)) == 0:
self._tree.setChildrenAllowed(parent, False)
class TreeSingleSelectExample(HorizontalLayout, IValueChangeListener,
button.IClickListener, action.IHandler):
# Actions for the context menu
_ACTION_ADD = Action('Add child item')
_ACTION_DELETE = Action('Delete')
def __init__(self):
super(TreeSingleSelectExample, self).__init__()
self.setSpacing(True)
# Create the Tree,a dd to layout
self._tree = Tree('Hardware Inventory')
self.addComponent(self._tree)
# Contents from a (prefilled example) hierarchical container:
self._tree.setContainerDataSource(ExampleUtil.getHardwareContainer())
# Add Valuechangelistener and Actionhandler
self._tree.addListener(self, IValueChangeListener)
# Add actions (context menu)
self._tree.addActionHandler(self)
# Cause valueChange immediately when the user selects
self._tree.setImmediate(True)
# Set tree to show the 'name' property as caption for items
self._tree.setItemCaptionPropertyId(ExampleUtil.hw_PROPERTY_NAME)
self._tree.setItemCaptionMode(
AbstractSelect.ITEM_CAPTION_MODE_PROPERTY)
# Expand whole tree
for idd in self._tree.rootItemIds():
self._tree.expandItemsRecursively(idd)
# Create the 'editor bar' (textfield and button in a horizontallayout)
self._editBar = HorizontalLayout()
self._editBar.setMargin(False, False, False, True)
self._editBar.setEnabled(False)
self.addComponent(self._editBar)
# textfield
self._editor = TextField('Item name')
self._editor.setImmediate(True)
self._editBar.addComponent(self._editor)
# apply-button
self._change = Button('Apply', self) #, 'buttonClick') FIXME: listener
self._editBar.addComponent(self._change)
self._editBar.setComponentAlignment(self._change,
Alignment.BOTTOM_LEFT)
def valueChange(self, event):
if event.getProperty().getValue() is not None:
# If something is selected from the tree, get it's 'name' and
# insert it into the textfield
val = self._tree.getItem(
event.getProperty().getValue()).getItemProperty(
ExampleUtil.hw_PROPERTY_NAME)
self._editor.setValue(val)
self._editor.requestRepaint()
self._editBar.setEnabled(True)
else:
self._editor.setValue('')
self._editBar.setEnabled(False)
def buttonClick(self, event):
# If the edited value contains something, set it to be the item's new
# 'name' property
if not (self._editor.getValue() == ''):
item = self._tree.getItem(self._tree.getValue())
name = item.getItemProperty(ExampleUtil.hw_PROPERTY_NAME)
name.setValue(self._editor.getValue())
# Returns the set of available actions
def getActions(self, target, sender):
return [self._ACTION_ADD, self._ACTION_DELETE]
# Handle actions
def handleAction(self, a, sender, target):
if a == self._ACTION_ADD:
# Allow children for the target item, and expand it
self._tree.setChildrenAllowed(target, True)
self._tree.expandItem(target)
# Create new item, set parent, disallow children (= leaf node)
itemId = self._tree.addItem()
self._tree.setParent(itemId, target)
self._tree.setChildrenAllowed(itemId, False)
# Set the name for this item (we use it as item caption)
item = self._tree.getItem(itemId)
name = item.getItemProperty(ExampleUtil.hw_PROPERTY_NAME)
name.setValue('New Item')
elif a == self._ACTION_DELETE:
parent = self._tree.getParent(target)
self._tree.removeItem(target)
# If the deleted object's parent has no more children, set it's
# childrenallowed property to false (= leaf node)
if parent is not None and len(self._tree.getChildren(parent)) == 0:
self._tree.setChildrenAllowed(parent, False)
