0 1 00:00:04,700 --> 00:00:05,980 In this lesson we are going to learn 1 2 00:00:05,980 --> 00:00:08,030 how we can use open file dialogue. 2 3 00:00:08,030 --> 00:00:10,730 To do that what I will do, I will create a text editor 3 4 00:00:10,730 --> 00:00:13,390 and also buttons for this application. 4 5 00:00:13,390 --> 00:00:14,223 Let's get started. 5 6 00:00:14,223 --> 00:00:16,540 Here, what I will say, I will create a variable 6 7 00:00:16,540 --> 00:00:19,723 for my text editor and I will name it text editor. 7 8 00:00:23,940 --> 00:00:27,270 Is equal to I will say Text, a constructor method 8 9 00:00:27,270 --> 00:00:29,882 and here I need to say, what I need to say? 9 10 00:00:29,882 --> 00:00:34,040 I need to say root and second parameter will be width, 10 11 00:00:34,040 --> 00:00:36,430 and other one will be height. 11 12 00:00:36,430 --> 00:00:39,750 Height is equal to 15 okay. 12 13 00:00:39,750 --> 00:00:42,130 And what's next, what I need to do? 13 14 00:00:42,130 --> 00:00:45,330 I also need to use pack geometry manager for my text editor. 14 15 00:00:45,330 --> 00:00:46,880 Right, text_editor.pack 15 16 00:00:49,230 --> 00:00:51,040 and now our text editor is ready. 16 17 00:00:51,040 --> 00:00:55,430 Also I want to create a button for open file, okay. 17 18 00:00:55,430 --> 00:00:58,170 Button is equal to I will use button constructor method 18 19 00:00:58,170 --> 00:01:00,304 here and for the first parameter 19 20 00:01:00,304 --> 00:01:03,233 I will pass in root for text, 20 21 00:01:05,040 --> 00:01:08,770 let's say open, and also command, 21 22 00:01:08,770 --> 00:01:11,350 let's use command property 22 23 00:01:11,350 --> 00:01:15,220 and I'll say here open file, okay. 23 24 00:01:15,220 --> 00:01:17,530 This is our function name, definition name. 24 25 00:01:17,530 --> 00:01:19,149 Here what you need to do, 25 26 00:01:19,149 --> 00:01:20,540 you need to create this definition right? 26 27 00:01:20,540 --> 00:01:22,980 First I will say def openFile 27 28 00:01:25,920 --> 00:01:29,250 and here, firstly I will say pass, okay? 28 29 00:01:29,250 --> 00:01:32,210 And now we can run our application. 29 30 00:01:32,210 --> 00:01:33,450 Let's see it. 30 31 00:01:33,450 --> 00:01:37,900 If I run my application, as you see now it's here. 31 32 00:01:37,900 --> 00:01:39,600 only text editor is here 32 33 00:01:39,600 --> 00:01:41,700 because we didn't use Pack Geometry Manager 33 34 00:01:41,700 --> 00:01:42,810 for our button, right. 34 35 00:01:42,810 --> 00:01:45,850 Let's also use Pack Geometry Manager for our button. 35 36 00:01:45,850 --> 00:01:47,530 Button, pack. 36 37 00:01:47,530 --> 00:01:51,730 And here, if I run it again, as you see now 37 38 00:01:51,730 --> 00:01:54,860 my button is also here, and when click. 38 39 00:01:54,860 --> 00:01:58,670 I will run this definition, right, openFile definition. 39 40 00:01:58,670 --> 00:02:02,140 So what we need to do, to use openFile dialogue, 40 41 00:02:02,140 --> 00:02:05,310 before using it, we need to import something, 41 42 00:02:05,310 --> 00:02:10,310 we need to say here from tkinter import filedialog, 42 43 00:02:10,728 --> 00:02:13,200 and here what I will do. 43 44 00:02:13,200 --> 00:02:17,558 Firstly, I need to create our filename, okay. 44 45 00:02:17,558 --> 00:02:20,540 I will create a variable, it will be our filename, 45 46 00:02:20,540 --> 00:02:24,994 and with this filename we can create, we will create 46 47 00:02:24,994 --> 00:02:27,244 our openFile dialogue window. 47 48 00:02:28,670 --> 00:02:30,816 And here what I need to say, 48 49 00:02:30,816 --> 00:02:32,450 I need to say file_name is equal to 49 50 00:02:32,450 --> 00:02:34,937 filedialog.askopenfilename, okay. 50 51 00:02:37,990 --> 00:02:40,930 There are some functions about filedialog, 51 52 00:02:40,930 --> 00:02:43,560 but we will use askopenfilename, okay. 52 53 00:02:43,560 --> 00:02:46,275 And now here we need to paste in some parameters, 53 54 00:02:46,275 --> 00:02:51,275 and first one will be initial directory, okay, 54 55 00:02:51,689 --> 00:02:53,870 initialdir for initial directory. 55 56 00:02:53,870 --> 00:02:55,920 And I want to use my project directory, 56 57 00:02:55,920 --> 00:02:58,930 that's why I will say here single-quotes 57 58 00:02:58,930 --> 00:03:00,860 and of that slash, okay, 58 59 00:03:00,860 --> 00:03:03,750 and the second parameter will be my title, 59 60 00:03:03,750 --> 00:03:07,730 my window title, okay, and here I will say for title 60 61 00:03:07,730 --> 00:03:11,010 Select a File, okay. 61 62 00:03:11,010 --> 00:03:15,662 And other one, let's press enter here, 62 63 00:03:15,662 --> 00:03:16,912 and I will say filetypes; 63 64 00:03:20,570 --> 00:03:22,280 filetypes is something important here, 64 65 00:03:22,280 --> 00:03:23,927 now I will explain it. 65 66 00:03:23,927 --> 00:03:27,240 First we need to use parentheses here, okay, 66 67 00:03:27,240 --> 00:03:30,170 and for this editor, my text editor, 67 68 00:03:30,170 --> 00:03:33,310 I want to open txt files, okay. 68 69 00:03:33,310 --> 00:03:38,250 And of course it can be a jpeg, images, files, 69 70 00:03:38,250 --> 00:03:43,040 or another file types, but for this application, 70 71 00:03:43,040 --> 00:03:47,600 and for our text editor, we need to open txt files. 71 72 00:03:47,600 --> 00:03:51,732 And here I will say Txt files, okay. 72 73 00:03:51,732 --> 00:03:55,913 And my second parameter will be here, I need to say, 73 74 00:03:56,947 --> 00:04:00,700 here extension .txt, right, 74 75 00:04:00,700 --> 00:04:04,930 this is extension for my txt files, for notepad also. 75 76 00:04:04,930 --> 00:04:07,050 And other one, what is next? 76 77 00:04:07,050 --> 00:04:09,160 And here, I will use another parameter, 77 78 00:04:09,160 --> 00:04:10,110 and here I will say 78 79 00:04:14,410 --> 00:04:17,790 All files, okay. 79 80 00:04:17,790 --> 00:04:21,220 After all files, what I need to do, I need to use here 80 81 00:04:22,160 --> 00:04:24,920 asterisk dot asterisk, okay. 81 82 00:04:24,920 --> 00:04:28,455 If I ran my, asterisk dot asterisk, 82 83 00:04:28,455 --> 00:04:31,670 if I ran my application now, here something wrong, 83 84 00:04:31,670 --> 00:04:34,593 we need to use quotes here, and here also. 84 85 00:04:36,010 --> 00:04:37,900 Double or single, it doesn't matter. 85 86 00:04:37,900 --> 00:04:41,043 Something again wrong, because one quote. 86 87 00:04:43,790 --> 00:04:45,113 Let me remove this one. 87 88 00:04:48,020 --> 00:04:48,953 Quote, end quote. 88 89 00:04:51,457 --> 00:04:53,210 Where there is something, why is like that? 89 90 00:04:53,210 --> 00:04:56,613 And now, here I will say asterisk dot asterisk. 90 91 00:05:00,881 --> 00:05:02,890 Maybe it's because now here we used, already we used, 91 92 00:05:02,890 --> 00:05:05,660 sorry here I need to use another quote, 92 93 00:05:05,660 --> 00:05:08,800 right, that one, and here let's use double quotes, 93 94 00:05:08,800 --> 00:05:10,210 it's better. 94 95 00:05:10,210 --> 00:05:15,210 And remove these guys, asterisk dot asterisk, okay. 95 96 00:05:15,970 --> 00:05:17,483 If I run my application now, 96 97 00:05:19,454 --> 00:05:21,460 and see now, our button is also here. 97 98 00:05:21,460 --> 00:05:23,550 If I click, if I hit this open button, 98 99 00:05:23,550 --> 00:05:24,510 let's check it. 99 100 00:05:24,510 --> 00:05:27,510 As you see now, this is our dialogue window, 100 101 00:05:27,510 --> 00:05:29,220 and let's talk about it. 101 102 00:05:29,220 --> 00:05:32,050 This is our project directory, by the way, 102 103 00:05:32,050 --> 00:05:34,795 this is initial directory, our project area, 103 104 00:05:34,795 --> 00:05:38,640 Select a file is our title, it's here, 104 105 00:05:38,640 --> 00:05:42,140 and the file types, as you see, it says txt files. 105 106 00:05:42,140 --> 00:05:44,700 And of course, also we have another parameter, 106 107 00:05:44,700 --> 00:05:46,300 it says All files. 107 108 00:05:46,300 --> 00:05:49,131 If I click this, you see it's like 108 109 00:05:49,131 --> 00:05:52,780 All files is here and Txt files is here. 109 110 00:05:52,780 --> 00:05:57,780 But now, with this code we only created this window, okay. 110 111 00:05:58,510 --> 00:06:00,243 Now what we need to do, 111 112 00:06:00,243 --> 00:06:02,493 we need to create something 112 113 00:06:03,348 --> 00:06:05,884 for content of our file, 113 114 00:06:05,884 --> 00:06:07,834 we need to create something else. 114 115 00:06:07,834 --> 00:06:10,667 Here what I need to say, and here, 115 116 00:06:12,513 --> 00:06:13,820 I need to come here, and I will say, 116 117 00:06:13,820 --> 00:06:16,580 create a variable and its name, it will be content. 117 118 00:06:16,580 --> 00:06:18,040 Content is equal to, I will say, 118 119 00:06:18,040 --> 00:06:21,080 I need to use here open function, okay. 119 120 00:06:21,080 --> 00:06:23,347 For the open function I will say file_name, 120 121 00:06:24,260 --> 00:06:25,640 open my file, okay. 121 122 00:06:25,640 --> 00:06:26,630 And after that what I need to do, 122 123 00:06:26,630 --> 00:06:27,710 I need to read it, okay. 123 124 00:06:27,710 --> 00:06:32,710 I will say read, and now we already read our file, 124 125 00:06:32,710 --> 00:06:33,870 but what we need to do, 125 126 00:06:33,870 --> 00:06:37,510 now I want to insert this content or file 126 127 00:06:37,510 --> 00:06:38,470 to my text editor. 127 128 00:06:38,470 --> 00:06:39,730 To do that, what I will say, I will say 128 129 00:06:39,730 --> 00:06:42,160 text editor.insert, 129 130 00:06:42,160 --> 00:06:44,530 and here the first parameter will be END 130 131 00:06:44,530 --> 00:06:48,100 and second one will by my content, okay. 131 132 00:06:48,100 --> 00:06:50,323 And if I run my application again, Run. 132 133 00:06:51,440 --> 00:06:56,440 Now it's open, and here this one is, for example, document. 133 134 00:06:57,000 --> 00:06:58,550 Okay, I will click this one. 134 135 00:06:58,550 --> 00:07:00,990 As you see now, our content is here, 135 136 00:07:00,990 --> 00:07:03,910 and inserted to our text editor. 136 137 00:07:03,910 --> 00:07:05,520 This is how we can use filedialog. 137 138 00:07:05,520 --> 00:07:07,520 For now that's all, see you in the next.