@jmv38 Little code, extracted from a big program, to show how to select a grid type.
Some code may seem strange because used by removed parts.
My big program, not yet ended, is used by my wife to join pictures in several different grids with moving lines. Program not completely operational and with' French messages.
import ImageFont
import ui
def my_list_popover(elements,val=None,x=None,y=None,color='white',multiple=False,title=None,selectable=True):
global grids
class my_list(ui.View):
def __init__(self,selected):
# In multiple selection mode, an "ok" button is needed
if multiple:
ok_button = ui.ButtonItem()
ok_button.title = 'ok'
ok_button.action = self.ok_button_action
self.right_button_items = [ok_button]
# ListDataSource for clients TableView
elements_lst = ui.ListDataSource(items=lst)
# ListDataSource has no attribute "name"
elements_lst.delete_enabled = False
elements_lst.move_enabled = False
elements_txt = ui.TableView(name='elements_txt')
elements_txt.allows_multiple_selection = multiple
elements_txt.allows_selection = selectable
elements_txt.text_color = 'black'
elements_txt.font= ('Courier',12)
if elements == grids:
elements_txt.row_height = 128
else:
elements_txt.row_height = elements_txt.font[1] * 2
h = len(lst) * elements_txt.row_height
font = ImageFont.truetype('Courier',16)
w = 0
if elements == grids:
ws, hs = ui.get_screen_size()
w = int(elements_txt.row_height*ws/hs)
h_ele = elements_txt.row_height
h_max = h_screen*0.9
else:
for element in lst:
w_ele,h_ele = font.getsize(element)
if w_ele > w:
w = w_ele
w = w + 32
h_max = h_screen*0.8
elements_txt.content_size = (w,h)
if h > h_max:
h = h_max
w_max = w_screen - 20
if w > w_max:
w = w_max
elements_txt.frame = (4,4,w,h)
#elements_txt.border_color = 'blue'
#elements_txt.border_width = 3
elements_txt.data_source = elements_lst
elements_txt.data_source.tableview_cell_for_row = self.tableview_cell_for_row
if not multiple:
if selected >= 0:
elements_txt.selected_row = (0,selected)
else:
if selected_lst != []:
elements_txt.selected_rows = selected_lst
elements_txt.delegate = self
self.add_subview(elements_txt)
self.width = elements_txt.width + 8
self.height = elements_txt.height + 8
self.corner_radius = 20
self.border_color = 'blue'
self.border_width = 2
self.background_color = color
if title and multiple:
# title bar displayed in multiple
self.name = title
self.pending = []
def ok_button_action(self,sender):
lst.append(str(multiples)) # '['xxxx','yyyy']'
v.close()
def tableview_did_deselect(self, tableview, section, row):
# Called when a row was deselected (multiple only)
if multiple:
multiples.remove(lst[row])
#print(multiples)
def tableview_did_select(self, tableview, section, row):
# Called when a row was selected
if multiple:
multiples.append(lst[row]) # ['xxxx','yyyy']
#print(multiples)
else:
lst.append(lst[row])
v.close()
def tableview_accessory_button_tapped(self, tableview, section, row):
# Called when the accessory (ex: info) tapped
if multiple:
multiples.append('tapped'+lst[row])
lst.append(str(multiples)) # '['xxxx','yyyy','tapped.....']'
else:
lst.append('tapped'+lst[row]) # 'tapped...'
v.close()
def tableview_cell_for_row(self, tableview, section, row):
cell = ui.TableViewCell()
selected_cell = ui.View()
selected_cell.border_color = 'black'
selected_cell.border_width = 2
selected_cell.corner_radius = 10
data = tableview.data_source.items[row]
if elements == grids:
selected_cell.bg_color = 'lightgray'
else:
selected_cell.bg_color = 'cornflowerblue'
cell.selected_background_view = selected_cell
cell.text_label.text = data
cell.text_label.alignment = ui.ALIGN_LEFT
ch1 = cell.text_label.text[0] # 1st char of text
if ch1 == '🈸':
g = ui.Button()
g.background_color = 'white'
g.image = ui.Image.named('iob:grid_32')
g.width = 28
g.height = 28
g.x = 12
g.y = 0
cell.content_view.add_subview(g)
cell.text_label.text_color = 'black'
cell.bg_color = color
if elements == grids:
cell.text_label.text = ''
h = tableview.row_height
w = tableview.width
rows = data.split('/')
ny = len(rows)
x0 = 2
y0 = 5
dy = int((h-2*y0)/ny)
y = y0
bs = {}
for iy in range(0,ny): # loop on rows
x = x0
nx = len(rows[iy]) # should be equal on each row
dx = int((w-2*x0)/nx)
for ix in range(0,nx):
c = rows[iy][ix] # cell n°
if c not in bs:
b = ui.Button()
b.enabled = False
if ix < (nx-1):
wx = dx
else:
wx = (w-2*x0) - x # force all last right same
b.border_width = 1
b.border_color = 'blue'
b.title = c
b.tint_color ='blue'
b.frame = (x,y,wx,dy)
else:
# split cell on several rows or columns: dx or dy will change
b = bs[c]
if b.y == y:
b.width = (x + wx - 1) - b.x + 1 # same row
else:
b.height = (y + dy - 1) - b.y + 1 # same col
bs[c] = b
k = 'Photo ' + c
cell.content_view.add_subview(b)
x = x + dx - 1
y = y + dy - 1
del bs
return cell
lst = []
i = 0
selected = -1
if type(elements) is dict:
elements_list = sorted(elements.keys())
elif type(elements) is list:
elements_list = elements
if multiple:
# val = ['xxx','yyy']
if val: # not None
val_lst = ast.literal_eval(val) # convert str -> dict
else:
val_lst = []
selected_lst = []
multiples = []
for element in elements_list:
lst.append(element)
if not multiple:
if element == val:
selected = i
else:
if element in val_lst:
selected_lst.append((0,i))
multiples.append(element)
i = i + 1
w_screen,h_screen = ui.get_screen_size()
if not x:
x = int(w_screen/2)
if not y:
y = int(h_screen/2)
v = my_list(selected)
# lst already copied into elements_lst, thus we can change lst
# to contain iniital value in case of tap outside
if selected == -1:
lst.append('')
else:
lst.append(lst[selected])
if not multiple:
v.present('popover',popover_location=(x,y),hide_title_bar=True)
else:
v.present('popover',popover_location=(x,y),hide_title_bar=False)
v.wait_modal()
return lst[len(lst)-1] # return last
def main():
global grids
w,h = ui.get_screen_size()
mi = min(w,h)*0.9
mv = ui.View()
mv.frame = (0,0,mi,mi)
mv.name = 'Example of grids button'
mv.background_color = 'white'
grid = ui.ButtonItem()
grid.image = ui.Image.named('iob:grid_32')
grids = ['1', '12', '1/2','123', '11/23', '12/33', '1/2/3', '12/32', '12/13', '1234', '111/234', '12/34', '123/444', '11/22/34', '12/33/44', '11/23/44', '1/2/3/4', '12/13/14', '12/32/42', '11/23/43', '123/143', '123/425', '1234/5678/9abc/defg', '12345/67890/abcde/fghij/klmno'] #, '5', '1/4', '4/1', '2/3', f'3/2', '1/1/3', '1/3/1', '2/1/2', '2/2/1', '1/2/2', '3/1/1','1/1/1/2', '1/1/2/1', '1/2/1/1', '2/1/1/1', '1/1/1/1/1']
def grid_action(sender):
x = mi - 50
y = 50
g = my_list_popover(grids,-1,x=x,y=y,color='white')
grid.action = grid_action
mv.right_button_items = (grid,)
mv.present('sheet')
# Protect against import
if __name__ == '__main__':
main()
