class DragDropTableTreeExample(HorizontalLayout):
"""Demonstrate moving data back and forth between a table and a tree using
drag and drop.
The tree and the table use different data structures: The category is a
separate node in the tree and each item just has a String, whereas the
table contains items with both a name and a category. Data conversions
between these representations are made during drop processing.
"""
def __init__(self):
super(DragDropTableTreeExample, self).__init__()
self.setSpacing(True)
# First create the components to be able to refer to them as allowed
# drag sources
self._tree = Tree('Drag from tree to table')
self._table = Table('Drag from table to tree')
self._table.setWidth('100%')
# Populate the tree and set up drag & drop
self.initializeTree(SourceIs(self._table))
# Populate the table and set up drag & drop
self.initializeTable(SourceIs(self._tree))
# Add components
self.addComponent(self._tree)
self.addComponent(self._table)
def initializeTree(self, acceptCriterion):
self._tree.setContainerDataSource(ExampleUtil.getHardwareContainer())
self._tree.setItemCaptionPropertyId(ExampleUtil.hw_PROPERTY_NAME)
# Expand all nodes
for idd in self._tree.rootItemIds():
self._tree.expandItemsRecursively(idd)
self._tree.setDragMode(TreeDragMode.NODE)
self._tree.setDropHandler(TreeDropHandler(self))
def initializeTable(self, acceptCriterion):
tableContainer = BeanItemContainer(Hardware)
tableContainer.addItem(Hardware('Dell OptiPlex 380', 'Desktops'))
tableContainer.addItem(Hardware('Benq T900HD', 'Monitors'))
tableContainer.addItem(Hardware('Lenovo ThinkPad T500', 'Laptops'))
self._table.setContainerDataSource(tableContainer)
self._table.setVisibleColumns(['category', 'name'])
# Handle drop in table: move hardware item or subtree to the table
self._table.setDragMode(TableDragMode.ROW)
self._table.setDropHandler(TableDropHandler(self))
@classmethod
def getTreeNodeName(cls, source, sourceId):
return source.getItem(sourceId).getItemProperty(
ExampleUtil.hw_PROPERTY_NAME).getValue()
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 DragDropTableTreeExample(HorizontalLayout):
"""Demonstrate moving data back and forth between a table and a tree using
drag and drop.
The tree and the table use different data structures: The category is a
separate node in the tree and each item just has a String, whereas the
table contains items with both a name and a category. Data conversions
between these representations are made during drop processing.
"""
def __init__(self):
super(DragDropTableTreeExample, self).__init__()
self.setSpacing(True)
# First create the components to be able to refer to them as allowed
# drag sources
self._tree = Tree('Drag from tree to table')
self._table = Table('Drag from table to tree')
self._table.setWidth('100%')
# Populate the tree and set up drag & drop
self.initializeTree(SourceIs(self._table))
# Populate the table and set up drag & drop
self.initializeTable(SourceIs(self._tree))
# Add components
self.addComponent(self._tree)
self.addComponent(self._table)
def initializeTree(self, acceptCriterion):
self._tree.setContainerDataSource(ExampleUtil.getHardwareContainer())
self._tree.setItemCaptionPropertyId(ExampleUtil.hw_PROPERTY_NAME)
# Expand all nodes
for idd in self._tree.rootItemIds():
self._tree.expandItemsRecursively(idd)
self._tree.setDragMode(TreeDragMode.NODE)
self._tree.setDropHandler( TreeDropHandler(self) )
def initializeTable(self, acceptCriterion):
tableContainer = BeanItemContainer(Hardware)
tableContainer.addItem(Hardware('Dell OptiPlex 380', 'Desktops'))
tableContainer.addItem(Hardware('Benq T900HD', 'Monitors'))
tableContainer.addItem(Hardware('Lenovo ThinkPad T500', 'Laptops'))
self._table.setContainerDataSource(tableContainer)
self._table.setVisibleColumns(['category', 'name'])
# Handle drop in table: move hardware item or subtree to the table
self._table.setDragMode(TableDragMode.ROW)
self._table.setDropHandler( TableDropHandler(self) )
@classmethod
def getTreeNodeName(cls, source, sourceId):
return source.getItem(sourceId).getItemProperty(
ExampleUtil.hw_PROPERTY_NAME).getValue()
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
