def test_get(x, y):
try:
value = m[x, y]
print 'Getting', str(x) + ',', str(y), 'as', value
except:
print 'Error getting x=' + str(x), 'y=' + str(y)
print m
print
if __name__ == '__main__':
m = Matrix(3, 4)
test_set(1, 1, 'a')
test_set(1, 2, 'b')
test_set(0, 3, 'c')
test_set(3, 2, 'd')
test_get(0, 1)
test_get(1, 1)
test_get(2, 2)
test_get(0, 3)
test_get(3, 2)
m.resize(100, 100)
test_get(99, 99)
m.resize(4, 5)
test_get(4, 0)
class Grid(Div):
"""
A Grid is a Div that contains cells in a matrix-like disposition.
All cells in a Grid will have the same size. Each cell is a Div
itself, whose parent is the Grid. Any widget can be added to these
cells.
*width* and *height* specify the Grid's total size.
*width_in_cells* and *height_in_cells* are the number of cells in a
line and the number of cells in a column of the Grid, respectively.
The size of each cell will be calculated from *width*, *height*,
*width_in_cells* and *height_in_cells*.
*visible* is unused for now, but will cause the Grid to be displayed
in the future.
*focusable* and *theme* behave like in any other Widget.
"""
def __init__(self, width, height, width_in_cells, height_in_cells,
visible=False, focusable=False, theme=None):
Div.__init__(self, width, height, focusable, theme)
self.visible = visible
self.width_in_cells = width_in_cells
self.height_in_cells = height_in_cells
self.cell_width = self.width / self.width_in_cells
self.cell_height = self.height / self.height_in_cells
self.cells = Matrix(width_in_cells, height_in_cells)
for y in xrange(height_in_cells):
for x in xrange(width_in_cells):
div = Div(self.cell_width, self.cell_height, focusable=False,
theme=self.theme)
pos = (x * self.cell_width, y * self.cell_height)
self.cells[x, y] = div
self.add_widget(div, pos)
def __getitem__(self, pos):
"""
Return the Div representing a cell of the Grid.
*pos* should be an (x, y) tuple with the indexes of the intended
cell.
"""
return self.cells[pos]
def add_lines(self, number_of_lines=1):
"""
Add one or more cell lines to the Grid.
The Grid's dimensions will be expanded, while the size of each
cell will remain unchanged.
*number_of_lines* specifies how many lines will be added. This
defaults to 1.
"""
old_height = self.height_in_cells
self.height_in_cells += number_of_lines
self.cells.resize(self.width_in_cells, self.height_in_cells)
for y in xrange(old_height, self.height_in_cells):
for x in xrange(self.width_in_cells):
div = Div(self.cell_width, self.cell_height, focusable=False,
theme=self.theme)
pos = (x * self.cell_width, y * self.cell_height)
self.cells[x, y] = div
self.add_widget(div, pos)
def add_columns(self, number_of_columns=1):
"""
Add one or more cell columns to the Grid.
The Grid's dimensions will be expanded, while the size of each
cell will remain unchanged.
*number_of_columns* specifies how many columns will be added. This
defaults to 1.
"""
old_width = self.width_in_cells
self.width_in_cells += number_of_columns
self.cells.resize(self.width_in_cells, self.height_in_cells)
for y in xrange(self.height_in_cells):
for x in xrange(old_width, self.width_in_cells):
div = Div(self.cell_width, self.cell_height, focusable=False,
theme=self.theme)
pos = (x * self.cell_width, y * self.cell_height)
self.cells[x, y] = div
self.add_widget(div, pos)
def remove_lines(self, number_of_lines=1):
"""
Remove one or more cell lines from the Grid.
The Grid's dimensions will be shrunk, while the size of each
cell will remain unchanged.
*number_of_lines* specifies how many lines will be removed. This
defaults to 1.
"""
if self.height_in_cells <= number_of_lines:
raise IndexError('Cannot remove %d lines from a Grid with %d '
'lines' % (number_of_lines, self.height_in_cells))
old_height = self.height_in_cells
self.height_in_cells -= number_of_lines
for y in xrange(self.height_in_cells, old_height):
for x in xrange(self.width_in_cells):
self.remove_widget(self.cells[x, y])
self.cells.resize(self.width_in_cells, self.height_in_cells)
def remove_columns(self, number_of_columns=1):
"""
Remove one or more cell columns from the Grid.
The Grid's dimensions will be shrunk, while the size of each
cell will remain unchanged.
*number_of_columns* specifies how many columns will be removed.
This defaults to 1.
"""
raise IndexError('Cannot remove %d columns from a Grid with %d '\
'columns' % (number_of_columns, self.width_in_cells))
old_width = self.width_in_cells
self.width_in_cells -= number_of_columns
for y in xrange(self.height_in_cells):
for x in xrange(self.width_in_cells, old_width):
self.remove_widget(self.cells[x, y])
self.cells.resize(self.width_in_cells, self.height_in_cells)
class Grid(Div):
"""
A Grid is a Div that contains cells in a matrix-like disposition.
All cells in a Grid will have the same size. Each cell is a Div
itself, whose parent is the Grid. Any widget can be added to these
cells.
*width* and *height* specify the Grid's total size.
*width_in_cells* and *height_in_cells* are the number of cells in a
line and the number of cells in a column of the Grid, respectively.
The size of each cell will be calculated from *width*, *height*,
*width_in_cells* and *height_in_cells*.
*visible* is unused for now, but will cause the Grid to be displayed
in the future.
*focusable* and *theme* behave like in any other Widget.
"""
def __init__(self,
width,
height,
width_in_cells,
height_in_cells,
visible=False,
focusable=False,
theme=None):
Div.__init__(self, width, height, focusable, theme)
self.visible = visible
self.width_in_cells = width_in_cells
self.height_in_cells = height_in_cells
self.cell_width = self.width / self.width_in_cells
self.cell_height = self.height / self.height_in_cells
self.cells = Matrix(width_in_cells, height_in_cells)
for y in xrange(height_in_cells):
for x in xrange(width_in_cells):
div = Div(self.cell_width,
self.cell_height,
focusable=False,
theme=self.theme)
pos = (x * self.cell_width, y * self.cell_height)
self.cells[x, y] = div
self.add_widget(div, pos)
def __getitem__(self, pos):
"""
Return the Div representing a cell of the Grid.
*pos* should be an (x, y) tuple with the indexes of the intended
cell.
"""
return self.cells[pos]
def add_lines(self, number_of_lines=1):
"""
Add one or more cell lines to the Grid.
The Grid's dimensions will be expanded, while the size of each
cell will remain unchanged.
*number_of_lines* specifies how many lines will be added. This
defaults to 1.
"""
old_height = self.height_in_cells
self.height_in_cells += number_of_lines
self.cells.resize(self.width_in_cells, self.height_in_cells)
for y in xrange(old_height, self.height_in_cells):
for x in xrange(self.width_in_cells):
div = Div(self.cell_width,
self.cell_height,
focusable=False,
theme=self.theme)
pos = (x * self.cell_width, y * self.cell_height)
self.cells[x, y] = div
self.add_widget(div, pos)
def add_columns(self, number_of_columns=1):
"""
Add one or more cell columns to the Grid.
The Grid's dimensions will be expanded, while the size of each
cell will remain unchanged.
*number_of_columns* specifies how many columns will be added. This
defaults to 1.
"""
old_width = self.width_in_cells
self.width_in_cells += number_of_columns
self.cells.resize(self.width_in_cells, self.height_in_cells)
for y in xrange(self.height_in_cells):
for x in xrange(old_width, self.width_in_cells):
div = Div(self.cell_width,
self.cell_height,
focusable=False,
theme=self.theme)
pos = (x * self.cell_width, y * self.cell_height)
self.cells[x, y] = div
self.add_widget(div, pos)
def remove_lines(self, number_of_lines=1):
"""
Remove one or more cell lines from the Grid.
The Grid's dimensions will be shrunk, while the size of each
cell will remain unchanged.
*number_of_lines* specifies how many lines will be removed. This
defaults to 1.
"""
if self.height_in_cells <= number_of_lines:
raise IndexError('Cannot remove %d lines from a Grid with %d '
'lines' % (number_of_lines, self.height_in_cells))
old_height = self.height_in_cells
self.height_in_cells -= number_of_lines
for y in xrange(self.height_in_cells, old_height):
for x in xrange(self.width_in_cells):
self.remove_widget(self.cells[x, y])
self.cells.resize(self.width_in_cells, self.height_in_cells)
def remove_columns(self, number_of_columns=1):
"""
Remove one or more cell columns from the Grid.
The Grid's dimensions will be shrunk, while the size of each
cell will remain unchanged.
*number_of_columns* specifies how many columns will be removed.
This defaults to 1.
"""
raise IndexError('Cannot remove %d columns from a Grid with %d '\
'columns' % (number_of_columns, self.width_in_cells))
old_width = self.width_in_cells
self.width_in_cells -= number_of_columns
for y in xrange(self.height_in_cells):
for x in xrange(self.width_in_cells, old_width):
self.remove_widget(self.cells[x, y])
self.cells.resize(self.width_in_cells, self.height_in_cells)
