235 lines
8.6 KiB
Python
235 lines
8.6 KiB
Python
"""
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Custom ListBox for customtkinter
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Author: Akash Bora
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"""
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import customtkinter
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class CTkListbox(customtkinter.CTkScrollableFrame):
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def __init__(self,
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master: any,
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height: int = 100,
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width: int = 200,
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hightlight_color: str = "default",
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fg_color: str = "transparent",
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bg_color: str = None,
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text_color: str = "default",
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select_color: str = "default",
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hover_color: str = "default",
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border_width: int = 3,
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font: tuple = "default",
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multiple_selection: bool = False,
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listvariable = None,
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hover: bool = True,
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command = None,
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justify = "left",
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**kwargs):
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super().__init__(master, width=width, height=height, fg_color=fg_color, border_width=border_width, **kwargs)
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self._scrollbar.grid_configure(padx=(0,border_width))
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self._scrollbar.configure(width=12)
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if bg_color:
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super().configure(bg_color=bg_color)
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self.select_color = customtkinter.ThemeManager.theme["CTkButton"]["fg_color"] if select_color=="default" else select_color
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self.text_color = customtkinter.ThemeManager.theme["CTkButton"]["text_color"] if text_color=="default" else text_color
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self.hover_color = customtkinter.ThemeManager.theme["CTkButton"]["hover_color"] if hover_color=="default" else hover_color
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self.font = (customtkinter.ThemeManager.theme["CTkFont"]["family"],13) if font=="default" else font
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if justify=="left":
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self.justify = "w"
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elif justify=="right":
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self.justify = "e"
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else:
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self.justify = "c"
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self.buttons = {}
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self.command = command
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self.multiple = multiple_selection
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self.selected = None
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self.hover = hover
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self.end_num = 0
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self.selections = []
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if listvariable:
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self.listvariable = listvariable
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self.listvariable.trace_add('write', lambda a,b,c: self.update_listvar())
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self.update_listvar()
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super().bind("<Destroy>", lambda e: self.unbind_all("<Configure>"))
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def update_listvar(self):
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values = list(eval(self.listvariable.get()))
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self.delete("all")
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for i in values:
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self.insert("END", option=i)
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def select(self, index):
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""" select the option """
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for options in self.buttons.values():
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options.configure(fg_color="transparent")
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if self.multiple:
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if self.buttons[index] in self.selections:
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self.selections.remove(self.buttons[index])
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self.buttons[index].configure(fg_color="transparent", hover=False)
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self.after(100, lambda: self.buttons[index].configure(hover=self.hover))
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else:
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self.selections.append(self.buttons[index])
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for i in self.selections:
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i.configure(fg_color=self.select_color, hover=False)
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self.after(100, lambda button=i: button.configure(hover=self.hover))
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else:
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self.selected = self.buttons[index]
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self.buttons[index].configure(fg_color=self.select_color, hover=False)
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self.after(100, lambda: self.buttons[index].configure(hover=self.hover))
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if self.command:
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self.command(self.get())
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def activate(self, index):
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if str(index).lower()=="all":
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if self.multiple:
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for i in self.buttons:
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self.select(i)
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return
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selected = list(self.buttons.keys())[index]
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self.select(selected)
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def curselection(self):
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index = 0
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if self.multiple:
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indexes = []
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for i in self.buttons.values():
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if i in self.selections:
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indexes.append(index)
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index +=1
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return tuple(indexes)
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else:
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for i in self.buttons.values():
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if i==self.selected:
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return index
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else:
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index +=1
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def bind(self, key, func):
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super().bind_all(key, lambda e: func(self.get()), add="+")
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def deselect(self, index):
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if not self.multiple:
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self.selected.configure(fg_color="transparent")
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self.selected = None
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return
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if self.buttons[index] in self.selections:
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self.selections.remove(self.buttons[index])
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self.buttons[index].configure(fg_color="transparent")
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def deactivate(self, index):
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if str(index).lower()=="all":
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for i in self.buttons:
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self.deselect(i)
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return
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selected = list(self.buttons.keys())[index]
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self.deselect(selected)
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def insert(self, index, option, keybind=None ,func=None, **args):
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""" add new option in the listbox """
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if str(index).lower()=="end":
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index = f"END{self.end_num}"
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self.end_num +=1
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if index in self.buttons:
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self.buttons[index].destroy()
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self.buttons[index] = customtkinter.CTkButton(self, text=option, fg_color="transparent", anchor=self.justify,
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text_color=self.text_color, font=self.font,
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hover_color=self.hover_color, **args)
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self.buttons[index].configure(command=lambda num=index: self.select(num))
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self.buttons[index].pack(padx=0, pady=(0,5), fill="x", expand=True)
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if keybind:
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self.buttons[index].bind(keybind, func)
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def delete(self, index, last=None):
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""" delete options from the listbox """
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if str(index).lower()=="all":
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for i in self.buttons:
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self.buttons[i].destroy()
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self.buttons = {}
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self.end_num = 0
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return
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if str(index).lower()=="end":
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index = f"END{self.end_num}"
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self.end_num -=1
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else:
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if int(index)==len(self.buttons):
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index = len(self.buttons)-1
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if int(index)>len(self.buttons):
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return
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if not last:
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index = list(self.buttons.keys())[int(index)]
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if last:
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if str(last).lower()=="end":
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last = len(self.buttons)-1
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elif int(last)>=len(self.buttons):
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last = len(self.buttons)-1
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deleted_list = []
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for i in range(index, int(last)+1):
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list(self.buttons.values())[i].destroy()
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deleted_list.append(list(self.buttons.keys())[i])
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for i in deleted_list:
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del self.buttons[i]
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else:
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self.buttons[index].destroy()
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del self.buttons[index]
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def size(self):
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""" return total number of items in the listbox """
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return len(self.buttons.keys())
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def get(self, index=None):
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""" get the selected value """
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if index:
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if str(index).lower()=="all":
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return list(item.cget("text") for item in self.buttons.values())
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else:
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index = list(self.buttons.keys())[int(index)]
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return self.buttons[index].cget("text")
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else:
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if self.multiple:
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return [x.cget("text") for x in self.selections] if len(self.selections)>0 else None
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else:
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return self.selected.cget("text") if self.selected is not None else None
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def configure(self, **kwargs):
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""" configurable options of the listbox """
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if "hover_color" in kwargs:
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self.hover_color = kwargs.pop("hover_color")
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for i in self.buttons.values():
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i.configure(hover_color=self.hover_color)
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if "highlight_color" in kwargs:
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self.select_color = kwargs.pop("highlight_color")
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if self.selected: self.selected.configure(fg_color=self.select_color)
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if len(self.selections)>0:
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for i in self.selections:
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i.configure(fg_color=self.select_color)
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if "text_color" in kwargs:
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self.text_color = kwargs.pop("text_color")
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for i in self.buttons.values():
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i.configure(text=self.text_color)
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if "font" in kwargs:
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self.font = kwargs.pop("font")
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for i in self.buttons.values():
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i.configure(font=self.font)
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if "command" in kwargs:
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self.command = kwargs.pop("command")
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super().configure(**kwargs)
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