class Table(Element):
name = 'table'
caption = 'Table'
xoptions = gtk.EXPAND | gtk.FILL
yoptions = gtk.FILL
def __init__(self, rows=2, cols=2):
Element.__init__(self, gtk.Table(rows, cols))
self.layout = Layout(0, 0)
self.entry_rows = None
self.entry_cols = None
self.targets = {}
self.child.set_row_spacings(3)
self.child.set_col_spacings(3)
self._resize_table(rows, cols)
def has_layout(self):
return True
def copy(self):
widget = Table(self.layout.n_rows, self.layout.n_cols)
for child in self.child.get_children():
top = self.child.child_get_property(child, 'top-attach')
bot = self.child.child_get_property(child, 'bottom-attach')
lft = self.child.child_get_property(child, 'left-attach')
rgt = self.child.child_get_property(child, 'right-attach')
child = child.copy()
widget.child.attach(child, lft, rgt, top, bot)
widget.layout.add(child, lft, rgt, top, bot)
return widget
def reassign(self, widget, upper_left, lower_right):
top = self.child.child_get_property(upper_left, 'top-attach')
bot = self.child.child_get_property(lower_right, 'bottom-attach')
lft = self.child.child_get_property(upper_left, 'left-attach')
rgt = self.child.child_get_property(lower_right, 'right-attach')
if top >= bot or lft >= rgt:
return
# Remove the old target.
target = widget.get_parent_target()
widget.unparent()
self._remove_target(target)
# Re-add it into the new cells.
target = self._add_target(top, bot, lft, rgt)
target.attach(widget)
def _remove_target(self, target):
self.layout.remove(target)
self.child.remove(target)
def _remove_targets_at(self, top, bot, lft, rgt):
for row in range(top, bot):
for col in range(lft, rgt):
target = self.layout.get_widget_at(row, col)
self.layout.remove(target)
if target and target.parent:
self.child.remove(target)
def _add_target(self, top, bot, lft, rgt):
# Remove the old target, if any.
self._remove_targets_at(top, bot, lft, rgt)
# Create a new target.
target = Target()
target.connect('child-attached', self._on_target_child_attached)
target.connect('child-dropped', self._on_target_child_removed)
target.connect('child-replaced', self._on_target_child_replaced)
target.set_data('row', top)
target.set_data('col', lft)
self.layout.add(target, lft, rgt, top, bot)
self.child.attach(target, lft, rgt, top, bot)
target.show_all()
return target
def _position_of(self, child):
top = self.child.child_get_property(child, 'top-attach')
bot = self.child.child_get_property(child, 'bottom-attach')
lft = self.child.child_get_property(child, 'left-attach')
rgt = self.child.child_get_property(child, 'right-attach')
return lft, rgt, top, bot
def _resize_table(self, rows, cols):
old_rows, old_cols = self.layout.n_rows, self.layout.n_cols
self.layout.resize(rows, cols)
# Remove useless targets.
for child in self.child.get_children():
if child.get_data('row') >= rows or child.get_data('col') >= cols:
self.child.remove(child)
# Add new targets.
self.child.resize(rows, cols)
for row in range(old_rows, rows):
for col in range(0, old_cols):
self._add_target(row, row + 1, col, col + 1)
for col in range(old_cols, cols):
for row in range(0, rows):
self._add_target(row, row + 1, col, col + 1)
def _child_at(self, x, y):
for child in self.child.get_children():
child_x, child_y = self.translate_coordinates(child, x, y)
if child_x < 0 or child_y < 0:
continue
alloc = child.get_allocation()
if child_x > alloc.width or child_y > alloc.height:
continue
return child
return None
def target_at(self, x, y):
child = self._child_at(x, y)
if child is None:
return None
child_x, child_y = self.translate_coordinates(child, x, y)
target = child.target_at(child_x, child_y)
if target is not None:
return target
return child
def _on_target_child_attached(self, target, child):
self.child.child_set_property(target, 'x-options', child.xoptions)
self.child.child_set_property(target, 'y-options', child.yoptions)
def _on_target_child_removed(self, target, child):
lft, rgt, top, bot = self._position_of(target)
# Remove the target, as it may have a cellspan.
self.child.remove(target)
# Add new targets into each cell.
for row in range(top, bot):
for col in range(lft, rgt):
self._add_target(row, row + 1, col, col + 1)
def _on_target_child_replaced(self, target, child):
self._on_target_child_attached(target, child)
class Table(Element):
name = 'table'
caption = 'Table'
xoptions = gtk.EXPAND|gtk.FILL
yoptions = gtk.FILL
def __init__(self, rows = 2, cols = 2):
Element.__init__(self, gtk.Table(rows, cols))
self.layout = Layout(0, 0)
self.entry_rows = None
self.entry_cols = None
self.targets = {}
self.child.set_row_spacings(3)
self.child.set_col_spacings(3)
self._resize_table(rows, cols)
def has_layout(self):
return True
def copy(self):
widget = Table(self.layout.n_rows, self.layout.n_cols)
for child in self.child.get_children():
top = self.child.child_get_property(child, 'top-attach')
bot = self.child.child_get_property(child, 'bottom-attach')
lft = self.child.child_get_property(child, 'left-attach')
rgt = self.child.child_get_property(child, 'right-attach')
child = child.copy()
widget.child.attach(child, lft, rgt, top, bot)
widget.layout.add(child, lft, rgt, top, bot)
return widget
def reassign(self, widget, upper_left, lower_right):
top = self.child.child_get_property(upper_left, 'top-attach')
bot = self.child.child_get_property(lower_right, 'bottom-attach')
lft = self.child.child_get_property(upper_left, 'left-attach')
rgt = self.child.child_get_property(lower_right, 'right-attach')
if top >= bot or lft >= rgt:
return
# Remove the old target.
target = widget.get_parent_target()
widget.unparent()
self._remove_target(target)
# Re-add it into the new cells.
target = self._add_target(top, bot, lft, rgt)
target.attach(widget)
def _remove_target(self, target):
self.layout.remove(target)
self.child.remove(target)
def _remove_targets_at(self, top, bot, lft, rgt):
for row in range(top, bot):
for col in range(lft, rgt):
target = self.layout.get_widget_at(row, col)
self.layout.remove(target)
if target and target.parent:
self.child.remove(target)
def _add_target(self, top, bot, lft, rgt):
# Remove the old target, if any.
self._remove_targets_at(top, bot, lft, rgt)
# Create a new target.
target = Target()
target.connect('child-attached', self._on_target_child_attached)
target.connect('child-removed', self._on_target_child_removed)
target.connect('child-replaced', self._on_target_child_replaced)
target.set_data('row', top)
target.set_data('col', lft)
self.layout.add(target, lft, rgt, top, bot)
self.child.attach(target, lft, rgt, top, bot)
target.show_all()
return target
def _position_of(self, child):
top = self.child.child_get_property(child, 'top-attach')
bot = self.child.child_get_property(child, 'bottom-attach')
lft = self.child.child_get_property(child, 'left-attach')
rgt = self.child.child_get_property(child, 'right-attach')
return lft, rgt, top, bot
def _resize_table(self, rows, cols):
old_rows, old_cols = self.layout.n_rows, self.layout.n_cols
self.layout.resize(rows, cols)
# Remove useless targets.
for child in self.child.get_children():
if child.get_data('row') >= rows or child.get_data('col') >= cols:
self.child.remove(child)
# Add new targets.
self.child.resize(rows, cols)
for row in range(old_rows, rows):
for col in range(0, old_cols):
self._add_target(row, row + 1, col, col + 1)
for col in range(old_cols, cols):
for row in range(0, rows):
self._add_target(row, row + 1, col, col + 1)
def _child_at(self, x, y):
for child in self.child.get_children():
child_x, child_y = self.translate_coordinates(child, x, y)
if child_x < 0 or child_y < 0:
continue
alloc = child.get_allocation()
if child_x > alloc.width or child_y > alloc.height:
continue
return child
return None
def target_at(self, x, y):
child = self._child_at(x, y)
if child is None:
return None
child_x, child_y = self.translate_coordinates(child, x, y)
target = child.target_at(child_x, child_y)
if target is not None:
return target
return child
def _on_target_child_attached(self, target, child):
self.child.child_set_property(target, 'x-options', child.xoptions)
self.child.child_set_property(target, 'y-options', child.yoptions)
def _on_target_child_removed(self, target, child):
lft, rgt, top, bot = self._position_of(target)
# Remove the target, as it may have a cellspan.
self.child.remove(target)
# Add new targets into each cell.
for row in range(top, bot):
for col in range(lft, rgt):
self._add_target(row, row + 1, col, col + 1)
def _on_target_child_replaced(self, target, child):
self._on_target_child_attached(target, child)
