def error_popup(text):
win = Toplevel()
Button(win, text='OK', command=win.destroy).pack(side=BOTTOM)
Label(win, text=text, anchor=W, justify=LEFT).pack(side=LEFT)
# Refuse to let the user do anything until window is dismissed
win.focus_set()
win.grab_set()
win.wait_window()
def error_popup(text): win = Toplevel() Button(win, text='OK', command=win.destroy).pack(side=BOTTOM) Label(win, text=text, anchor=W, justify=LEFT).pack(side=LEFT) # Refuse to let the user do anything until window is dismissed win.focus_set() win.grab_set() win.wait_window()
class tkFileSelector() :
def __init__(self,master,start_dir=expanduser("~"),filetypes=[],title="Select a music file.",color_1="#000000",color_2="#00c0c0",highlight_color_items="#c9c9c9") :
'''
master == root_window == Tk()
use color_1 and color_2 and bg_items and fg_items and highlight_color_items for colors personalisation.
filetypes must "Strictly" be a list of extension beginning with an asterix followed by a point and the extension (in lowercase) or an empty list for no filtering.
filetypes=["*.mp3","*.wav"] per example. Or insert an, item '*' for all filetype in combination with defined filetypes.
for borderwidth and relief settings look at the code
'''
# Constrcut GUI for the file selection toplevel.
self.toplevel=Toplevel(master,bg=color_1,borderwidth=1,relief="sunken")
self.toplevel.resizable(width=False, height=False)
self.toplevel.title(title)
self.dir_selection_frame=Frame(self.toplevel,bg=color_1,borderwidth=8/2,relief="groove") # Frame container for directory fields.
self.dir_name_entry=Entry(self.toplevel,justify="center",width=50,bg=color_2,fg=color_1) # This will contains the current directory relative dirname
self.dir_name_separator=Button(self.toplevel,width=1,relief="sunken",bg=color_1,fg=color_2) # An separator
self.dir_back_button=Button(self.toplevel,width=6,relief="raised",bg=color_2,fg=color_1,text="Back",command=self.folder_go_back) # Change directory back button.
self.canvas_frame=Frame(self.toplevel,borderwidth=8,relief="groove") # Frame for the file selection window canvas and his scrollbar.
self.canvas=Canvas(self.canvas_frame,height=20*9,width=18*28,bg=color_2) # File selection window.
self.canvas_scrollbar=Scrollbar(self.canvas_frame,orient=HORIZONTAL, bg=color_2,troughcolor=color_1,command=self.canvas.xview) # File selection window scrollbar.
self.canvas.configure(xscrollcommand=self.canvas_scrollbar.set)
self.file_selection_frame=Frame(self.toplevel,bg=color_1,borderwidth=8/2,relief="groove") # Frame container for filename fields.
self.file_name_entry=Entry(self.toplevel,justify="center",width=50,bg=color_2,fg=color_1) # This will contains the basename (relative) of the selected file.
self.file_name_separator=Button(self.toplevel,width=1,relief="sunken",bg=color_1,fg=color_2) # An separator.
self.file_filter_menubutton = Menubutton(self.file_selection_frame, text='',relief="groove",width=8,bg=color_2,fg=color_1) # Menubutton for filetype filter.
self.file_filter_extension=""
if filetypes :
self.file_filter_menu= Menu(self.file_filter_menubutton,borderwidth=3,relief="groove") # We use a menu for the filetypes filtering.
i=0
self.file_filter_var=StringVar(master=None, value=filetypes[i], name=None) # Control varaible for current filetype and initialize with the first filetype item.
self.file_filter_menubutton.config(text=filetypes[i])
self.file_filter_extension=filetypes[i][1::]
while i < len(filetypes) :
# Creating radiobutton to change the filetype filter.
self.file_filter_menu.add_radiobutton(label=filetypes[i], variable=self.file_filter_var,value=filetypes[i],background=color_2,command=self.set_filetype_filter )
i += 1
self.file_filter_menubutton.configure(menu= self.file_filter_menu)
self.buttons_frame=Frame(self.toplevel,bg=color_2,borderwidth=8,relief="groove",height=50,width=18*3) # Frame container for the buttons.
self.button_cancel=Button(self.buttons_frame,bg=color_2,fg=color_1,text="Quit",borderwidth=8/2,relief="groove",width=8,command=self.item_selection_quit)
self.button_home=Button(self.buttons_frame,bg=color_2,fg=color_1,text="Home",borderwidth=8/2,relief="groove",width=8,command=self.item_selection_home)
self.button_ok=Button(self.buttons_frame,bg=color_2,fg=color_1,text=" OK ",borderwidth=8/2,relief="groove",width=8,command=self.item_selection_ok)
self.start_dir=start_dir # Start folder.
self.curdir=start_dir # Current folder.
self.last_dir=[] # Container for the precedent folders we visit.
self.last_dir.append(start_dir) # Append start folder.
self.select_filepath="" # Value to return by file selection.
self.dir_name_entry.insert(0,"../"+basename(self.curdir))
if not color_2 :
self.items_bg="#D9D9D9"
else :
self.items_bg=color_2
self.items_fg=color_1
self.highlight_color_items=highlight_color_items
self.init_icons()
self.ls_dir()
self.update_canvas()
self.dir_selection_frame.grid(row=0,column=0,sticky="WE")
self.dir_name_entry.grid(row=0,column=0,in_=self.dir_selection_frame,sticky="NSEW")
self.dir_name_separator.grid(row=0,column=1,in_=self.dir_selection_frame,sticky="EW")
self.dir_back_button.grid(row=0,column=2,in_=self.dir_selection_frame,sticky="EW")
self.canvas_frame.grid(row=1,column=0,sticky="WE")
self.canvas.grid(row=0,column=0,in_=self.canvas_frame)
self.canvas_scrollbar.grid(row=1,column=0,in_=self.canvas_frame,sticky="WE")
self.file_selection_frame.grid(row=2,column=0,sticky="WE")
self.file_name_entry.grid(row=0,column=0,in_=self.file_selection_frame,sticky="NSEW")
self.file_name_separator.grid(row=0,column=1,in_=self.file_selection_frame,sticky="EW")
self.file_filter_menubutton.grid(row=0,column=2,in_=self.file_selection_frame,sticky="NS")
self.buttons_frame.grid(row=3,column=0,sticky="NSEW")
self.button_cancel.grid(row=0,column=2,padx=32+3,pady=4,in_=self.buttons_frame)
self.button_home.grid(row=0,column=4,padx=32+3,pady=4,in_=self.buttons_frame)
self.button_ok.grid(row=0,column=6,padx=34+3,pady=4,in_=self.buttons_frame)
self.toplevel.wait_window()
def init_icons(self) :
# Folder and file icons, design by me.
self.image_folder=Image.open("/usr/share/ScreenLocker/Images/file_selector/folder_icon.png")
self.imagetk_folder=ImageTk.PhotoImage(image=self.image_folder)
self.image_file=Image.open("/usr/share/ScreenLocker/Images/file_selector/file_icon.png")
self.imagetk_file=ImageTk.PhotoImage(image=self.image_file)
def ls_dir(self) :
''' List an directory and split the result in folders and files containers.
Finally sort the 2 containers.'''
folder_content=listdir(self.curdir)
self.cur_folder_entries=len(folder_content)
self.cur_folder_list=[]
self.cur_files_list=[]
folder_content.sort()
for v in folder_content :
if isdir(self.curdir+"/"+v) :
self.cur_folder_list.append(unicode(v,encoding='utf-8'))
elif isfile(self.curdir+"/"+v) :
self.cur_files_list.append(unicode(v,encoding='utf-8'))
self.cur_folder_list.sort()
self.cur_files_list.sort()
def update_canvas(self) :
''' Generating the content from the File selection window (an canvas)'''
self.clear_canvas()
i=0 # global folder and file iterator.
pos_x=0 # Coordinates for the rows.
pos_y=0 # Coordinates in the columns.
max_len=0 # Column max folder|filename length.
max_len_save=0 # Saved value for filling empty canvas scrollregion.
while i < len(self.cur_folder_list) :
# Generating the folder items of the current folder
exec(u"folder_icon_{0}=Label(self.canvas,text='{1}',image=self.imagetk_folder,relief='flat',width=17,height=17,bg=self.items_bg)".format(str(i),self.cur_folder_list[i].replace("'","\\'")))
exec(u"folder_name_{0}=Label(self.canvas,text='{1}',relief='flat',width={2},font='Monospace 9 bold',justify='left',bg=self.items_bg,fg=self.items_fg)".format(str(i),self.cur_folder_list[i].replace("'","\\'"),int(len(" "+self.cur_folder_list[i]))))
if int(len(" "+self.cur_folder_list[i])) > max_len :
# Update longest folder name in this column.
max_len=int(len(" "+self.cur_folder_list[i])) # Storing the value for max length of the longest folder name in this column.
max_len_save=max_len # Value to save for filling if the generating content take minus place as the canvas scrollregion.
exec("folder_icon_{0}.bind('<Double-1>',self.select_folder)".format(str(i)))
exec("folder_name_{0}.bind('<Double-1>',self.select_folder)".format(str(i)))
exec("folder_name_{0}.bind('<Enter>',self.highlight_item_enter)".format(str(i)))
exec("folder_name_{0}.bind('<Leave>',self.highlight_item_leave)".format(str(i)))
exec("folder_icon_{0}.pack(side='left',fill=BOTH)".format(str(i)))
exec("folder_name_{0}.pack(side='right',fill=BOTH)".format(str(i)))
exec("self.canvas.create_window(({1},{2}),anchor='nw',window=folder_icon_{0})".format(str(i),pos_x,pos_y))
exec("self.canvas.create_window(({1}+17+1,{2}),anchor='nw',window=folder_name_{0})".format(str(i),pos_x,pos_y))
pos_y += 20 # column increment 17 height of an items + 3 pixels padding.
if ( i % 9 == 0) and not i == 0 :
# An column can contains 9 items and we change column.
pos_y=0 # Column position updating.
pos_x += 17 + (max_len*9) # Update the x coordinates according the maximal length of foldername in this column ( (9 pixels == font size) (17 pixels for the folder item icon) ) .
max_len=0
i += 1 # Go to the next item.
ii=0 # Files iterator.
while ii < len(self.cur_files_list) :
# Generating the files items of the current folder.
if (self.file_filter_extension and self.cur_files_list[ii].lower().endswith(self.file_filter_extension)) or not self.file_filter_extension :
# applying filter of no filetype filering.
exec(u"file_icon_{0}=Label(self.canvas,text='{1}',image=self.imagetk_file,relief='flat',width=17,height=17,bg=self.items_bg)".format(str(i),self.cur_files_list[ii].replace("'","\\'")))
exec(u"file_name_{0}=Label(self.canvas,text='{1}',relief='flat',width={2},font='Monospace 9 normal',justify='left',bg=self.items_bg,fg=self.items_fg)".format(str(i),self.cur_files_list[ii].replace("'","\\'"),int(len(" "+self.cur_files_list[ii]))))
if int(len(" "+self.cur_files_list[ii])) > max_len :
# Update longest filename in this column.
max_len=int(len(" "+self.cur_files_list[ii])) # Storing the value for max length of the longest filename in this column.
max_len_save=max_len # Value to save for filling if the generating content take minus place as the canvas scrollregion.
exec("file_icon_{0}.bind('<Double-1>',self.select_file)".format(str(i)))
exec("file_name_{0}.bind('<Double-1>',self.select_file)".format(str(i)))
exec("file_name_{0}.bind('<Enter>',self.highlight_item_enter)".format(str(i)))
exec("file_name_{0}.bind('<Leave>',self.highlight_item_leave)".format(str(i)))
exec("file_icon_{0}.pack(side='left',fill=BOTH)".format(str(i)))
exec("file_name_{0}.pack(side='right',fill=BOTH)".format(str(i)))
exec("self.canvas.create_window(({1},{2}),anchor='nw',window=file_icon_{0})".format(str(i),pos_x,pos_y))
exec("self.canvas.create_window(({1}+17+1,{2}),anchor='nw',window=file_name_{0})".format(str(i),pos_x,pos_y))
pos_y += 20 # column increment 17 height of an items + 3 pixels padding.
if ( i % 9 == 0) and not i == 0 :
# An column can contains 9 items and we change column.
# Note: we check the common file & folder iterator.
pos_y=0 # Column position updating.
pos_x += 17 + (max_len*9) # Update the x coordinates according the maximal length of filename in this column ( (9 pixels == font size) (17 pixels for the file item icon) ).
max_len=0
i += 1
ii += 1
if not pos_x+(max_len_save*9)+17 < 18*28 :
# items collection greater than the canvas scrollregion.
self.canvas.config(scrollregion=(0,0,pos_x+(max_len_save*9)+17,0))
else :
# items collection littler than the canvas scrollregion.
self.canvas.config(scrollregion=(0,0,18*28,0))
def clear_canvas(self) :
for child in self.canvas.children.values() :
child.destroy()
def highlight_item_enter(self,event) :
event.widget.config(bg=self.highlight_color_items)
def highlight_item_leave(self,event) :
event.widget.config(bg=self.items_bg)
def select_folder(self,event) :
if isdir(self.curdir+"/"+event.widget.cget("text").lstrip()) : # event.widget.cget("text") return the selected folder. sea the update_canvas() method.
self.select_filepath=""
self.file_name_entry.delete(0,END)
if self.curdir.startswith('//') :
# Bugfix.
self.curdir=self.curdir[1::]
self.last_dir.append(self.curdir)
else :
self.last_dir.append(self.curdir)
for v in self.last_dir :
# Bigfix
if self.last_dir.count(v) > 1 :
self.last_dir.remove(v)
try :
# in case of access right this will fail immediatelly
listdir(self.curdir+"/"+event.widget.cget("text"))
self.curdir=self.curdir+"/"+event.widget.cget("text")
self.dir_name_entry.delete(0,END)
self.dir_name_entry.insert(0,"../"+event.widget.cget("text"))
self.ls_dir()
self.update_canvas()
except :
pass
def select_file(self,event) :
if isfile(self.curdir+"/"+event.widget.cget("text")) :
# Set the value to return and fill the file selection field.
self.select_filepath=self.curdir+"/"+event.widget.cget("text")
self.file_name_entry.delete(0,END)
self.file_name_entry.insert(0,event.widget.cget("text"))
def folder_go_back(self) :
if len(self.last_dir) > 1 :
self.curdir=self.last_dir.pop(-1) # pop the last value from the visited folder folders
else :
# In case we have yet only 1 folder in the visited folder container.
if self.last_dir[0].rfind("/") :
# The value of the container is not the root folder ( / ) but not the /home/username folder who can be only visited folder.
self.last_dir[0]=self.last_dir[0][0:self.last_dir[0].rfind("/")]
self.curdir=self.last_dir[0]
elif self.last_dir[0].rfind("/") == 0 :
# The value of the container is the root folder.
self.last_dir[0]="/"
self.curdir=self.last_dir[0]
else :
# The value is the /home/username directory
self.curdir=self.last_dir[0]
self.file_name_entry.delete(0,END)
self.select_filepath=""
self.dir_name_entry.delete(0,END)
self.dir_name_entry.insert(0,"../"+basename(self.curdir))
self.ls_dir()
self.update_canvas()
def set_filetype_filter(self) :
'''Change filetype filter.'''
self.file_filter_menubutton.config(text=self.file_filter_var.get())
self.file_filter_extension=self.file_filter_var.get()[1::] # Contains the selected filetype ( in form '.'+filetype ).
self.file_name_entry.delete(0,END)
self.select_filepath=""
self.ls_dir()
self.update_canvas()
def item_selection_ok(self) :
'''Return the selected filepath or empty string
and destroy File_selector instance'''
if self.select_filepath :
self.toplevel.destroy()
return True
def item_selection_quit(self) :
'''destroy File_selector instance'''
self.toplevel.destroy()
return False
def item_selection_home(self) :
'''Change current directory to the /home/username folder'''
self.curdir=expanduser("~")
self.select_filepath=""
self.file_name_entry.delete(0,END)
self.last_dir=[]
self.last_dir.append(expanduser("~"))
self.dir_name_entry.delete(0,END)
self.dir_name_entry.insert(0,"../"+basename(self.curdir))
self.ls_dir()
self.update_canvas()
class Docview:
def __init__(self, master, fn, **kwargs):
self.file = fn
self.widget = None
self.text = Text()
self.frame = master
self.location = kwargs.get('location', None)
self.wait = kwargs.get('wait', None)
self.find = kwargs.get('find', None)
self.delete_img = PhotoImage(file='delete.pbm')
self.up_img = PhotoImage(file='1uparrow.pbm')
self.down_img = PhotoImage(file='1downarrow.pbm')
self.upbutn = Button()
self.dnbutn = Button()
self.deletebutn = Button()
self.entry = None
self.doc = ''
def Search(self, pattern):
'''
normal top-down search
:param pattern:
:return:
'''
try:
self.text.tag_remove('hilight', '1.0', 'end')
ind = self.text.search(pattern,
'1.0',
stopindex="end",
nocase=True)
self.text.mark_set("insert", ind)
self.text.see("insert")
nchar = len(pattern)
self.text.tag_add('hilight', ind, ind + "+{}c".format(nchar))
except:
pass
def RecursiveSearch(self, pattern, upward=False):
'''
Search forward from current position. Search backward if upward is True.
:param pattern: search pattern
:param upward: reverse search if true
:return: Null
'''
if len(pattern) == 0:
ind = '1.0' if upward else 'end'
self.text.mark_set("insert", ind)
self.text.see("insert")
return
try:
insert = self.text.index("insert")
if upward:
point = insert + "-1c"
ind = self.text.search(pattern,
point,
stopindex="1.0",
backwards=True,
nocase=True)
else:
point = insert + "+1c"
ind = self.text.search(pattern,
point,
stopindex="end",
nocase=True)
self.text.mark_set("insert", ind)
self.text.see("insert")
self.text.tag_remove('hilight', '1.0', 'end')
nchar = len(pattern)
self.text.tag_add('hilight', ind, ind + "+{}c".format(nchar))
self.text.update()
except:
pass
def SearchUp(self):
pattern = str(self.entry.get())
self.RecursiveSearch(pattern, True)
def SearchDn(self):
pattern = str(self.entry.get())
self.RecursiveSearch(pattern, False)
def FindEntry(self, event):
'''triggered by keyrelease event in find entry box'''
pattern = str(self.entry.get())
nchar = len(pattern)
self.text.tag_remove('hilight', '1.0', 'end')
if nchar == 0:
return
try:
ind = self.text.search(pattern,
"1.0",
stopindex="end",
nocase=True)
self.text.mark_set("insert", ind)
self.text.see("insert")
self.text.tag_add('hilight', ind, ind + "+{}c".format(nchar))
self.text.update()
except:
pass
def DeleteSearch(self):
self.entry.delete(0, 'end')
self.text.tag_remove('hilight', '1.0', 'end')
def Popup(self):
if not self.doc:
with open(self.file, 'r') as fh:
self.doc = fh.read()
if self.widget: # widget already open
if self.frame:
self.widget.lift(aboveThis=self.frame)
return
#print 'length of doc ', len(self.doc)
self.widget = Toplevel()
if self.find:
self.sframe = Frame(self.widget)
self.sframe.pack()
self.upbutn = Button(self.sframe,
width=17,
command=self.SearchUp,
image=self.up_img)
self.upbutn.pack(side='left')
self.dnbutn = Button(self.sframe,
width=17,
command=self.SearchDn,
image=self.down_img)
self.dnbutn.pack(side='left')
self.entry = Entry(self.sframe, width=50)
self.entry.bind('<KeyRelease>', self.FindEntry)
self.entry.pack(side='left')
self.deletebutn = Button(self.sframe,
width=17,
command=self.DeleteSearch)
self.deletebutn.config(image=self.delete_img)
self.deletebutn.pack(side='left')
width = max([len(line) for line in self.doc.split('\n')])
height = min([self.doc.count('\n') + 1, 40])
self.text = Text(self.widget, width=width, height=height)
self.text.tag = self.text.tag_configure('hilight',
background='#ffff00')
self.text.insert("1.0", self.doc)
self.text.pack()
if self.location and self.frame:
dx, dy = self.location
w = self.text.winfo_width()
h = self.text.winfo_height()
x = self.frame.winfo_x()
y = self.frame.winfo_y()
loc = "%dx%d+%d+%d" % (600, 400, x + dx, y + dy)
self.widget.geometry(loc)
if self.wait:
self.widget.focus_set()
self.widget.grab_set()
if self.frame:
self.widget.transient(master=self.frame)
self.widget.wait_window(self.widget)
if self.frame:
self.widget.lift(aboveThis=self.frame)
self.widget.protocol("WM_DELETE_WINDOW", self.Kill)
def Kill(self):
self.widget.destroy()
self.widget = None