Bug about a page turning

CHANGELOG.md

@@ -1,3 +1,12 @@
+## 0.2.2
+
+2021/01/27
+
+- `[Fix bugs]` Bug about a page turning ([#14](https://github.com/yukihirop/gfzs/issues/14))
+
+Please see [milestone](https://github.com/yukihirop/gfzs/milestone/4)
+
+
 ## 0.2.1
 
 2021/01/23

README.md

@@ -31,6 +31,12 @@ __We are not responsible if you ignore the advice and block your IP. please note
 pip install gfzs
 ```
 
+or
+
+```bash
+pipx instal gfzs
+```
+
 ## 😎 Demo
 
 seeing is believing.  
@@ -64,35 +70,35 @@ For Example, Assuming that data.json is as follows.
 ```json
 [
   {
-    "abstract": "Rustは非常に高速でメモリ効率が高くランタイムやガベージコレクタがないため、パフォーマンス重視のサービスを実装できますし、組込み機器上で実行したり他の言語との調和も簡単にできます。 信頼性. Rustの豊かな型システムと所有権 ...",
+    "abstract": "Python is an interpreted, high-level and general-purpose programming language. Python's design philosophy emphasizes code readability with its notable use ...",
     "matches": [
       {
         "offset": 0,
-        "phrase": "Rust"
+        "phrase": "Python"
       },
       {
-        "offset": 97,
-        "phrase": "Rust"
+        "offset": 79,
+        "phrase": "Python's"
       }
     ],
-    "title": "Rustプログラミング言語",
-    "url": "https://www.rust-lang.org/ja"
+    "metadata": "Developer: Python Software Foundation | Designed by: Guido van Rossum | Filename extensions: .py,.pyi,.pyc,.pyd,.pyo ... | Typing discipline: Duck, dynamic, gradual (since ...",
+    "title": "Python (programming language) - Wikipedia",
+    "url": "https://en.wikipedia.org/wiki/Python_(programming_language)"
   },
   {
-    "abstract": "Rust（ラスト）はMozillaが支援するオープンソースのシステムプログラミング言語である。 Rust言語は速度、並行性、安全性を言語仕様として保証するC言語、C++に代わるシステムプログラミング（英語版）に適したプログラミング言語を ...",
+    "abstract": "プログラミング言語 Pythonの紹介・ダウンロードとインストール・Python入門講座など.",
     "matches": [
       {
-        "offset": 0,
-        "phrase": "Rust"
+        "offset": 10,
+        "phrase": "Python"
       },
       {
-        "offset": 48,
-        "phrase": "Rust"
+        "offset": 34,
+        "phrase": "Python"
       }
     ],
-    "metadata": "型付け： 静的型付け、強い型付け、型推論、構造... | 登場時期： 2010年7月7日 | ライセンス： Apache-2.0、MIT License | 影響を受けた言語： Alef、C++、C Sharp、Cyclon...",
-    "title": "Rust (プログラミング言語) - Wikipedia",
-    "url": "https://ja.wikipedia.org/wiki/Rust_(%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E8%A8%80%E8%AA%9E)"
+    "title": "プログラミング言語 Python - python.jp",
+    "url": "https://www.python.jp/"
   }
 ]
 ```
@@ -253,57 +259,57 @@ $ python3 gfzs/controller.py
 or
 
 ```bash
-$ cat fixtures/rust.json | python3 -m gfzs
+$ cat fixtures/python.json | python3 -m gfzs
 ```
 
 or
 
 ```bash
-$ cat fixtures/rust.json | bin/gfzs
+$ cat fixtures/python.json | bin/gfzs
 ```
 
-## 💪 Development (Check Partial View)
+## 💪 Development (Check Each View)
 
-### search_result
+### header
 
 ```bash
-$ python3 gfzs/views/search_result.py
+$ python3 gfzs/views/header.py
 ```
 
-![image](https://user-images.githubusercontent.com/11146767/104927269-8e50af00-59e4-11eb-8fcf-8b18f4db4420.png)
+![image](https://user-images.githubusercontent.com/11146767/104927550-ed162880-59e4-11eb-8d5c-efca84c58ea6.png)
 
-### footer
+### search_result
 
 ```bash
-$ python3 gfzs/views/footer.py
+$ python3 gfzs/views/search_result.py
 ```
 
-![image](https://user-images.githubusercontent.com/11146767/104927398-b93b0300-59e4-11eb-99a8-5b1e85dc000d.png)
+![image](https://user-images.githubusercontent.com/11146767/104927269-8e50af00-59e4-11eb-8fcf-8b18f4db4420.png)
 
-### header
+### paging
 
 ```bash
-$ python3 gfzs/views/header.py
+$ python3 gfzs/views/paging.py
 ```
 
-![image](https://user-images.githubusercontent.com/11146767/104927550-ed162880-59e4-11eb-8d5c-efca84c58ea6.png)
+![image](https://user-images.githubusercontent.com/11146767/104927802-36667800-59e5-11eb-9afb-2b3386c4d8c6.png)
 
-### not_found
+### footer
 
 ```bash
-$ python3 gfzs/views/not_found.py
+$ python3 gfzs/views/footer.py
 ```
 
-![image](https://user-images.githubusercontent.com/11146767/104927669-0d45e780-59e5-11eb-9dc8-76baec0c04ac.png)
+![image](https://user-images.githubusercontent.com/11146767/104927398-b93b0300-59e4-11eb-99a8-5b1e85dc000d.png)
 
 
-### paging
+### not_found
 
 ```bash
-$ python3 gfzs/views/paging.py
+$ python3 gfzs/views/not_found.py
 ```
 
-![image](https://user-images.githubusercontent.com/11146767/104927802-36667800-59e5-11eb-9afb-2b3386c4d8c6.png)
+![image](https://user-images.githubusercontent.com/11146767/104927669-0d45e780-59e5-11eb-9dc8-76baec0c04ac.png)
 
 
 ## 📚 Reference

gfzs/info.py

@@ -2,7 +2,7 @@
 
 __name__ = "gfzs"
 __description__ = "Google Fuzzy Search"
-__version__ = "0.2.1"
+__version__ = "0.2.2"
 __copyright__ = "Copyright ©︎ 2021 yukihirop"
 __url__ = "https://github.com/yukihirop/gfzs"
 __author__ = "yukihirop"

gfzs/views/search_result.py

@@ -67,6 +67,62 @@ def update_attributues(self, current_selected, last, topy, top_textbox):
     def update_per_page(self, value):
         self.per_page = value
 
+    @property
+    def current_page(self) -> int:
+        return self.current_selected // self.per_page + 1
+
+    def prev_page(self, total_data_size):
+        per_page = self.per_page
+        old_current_selected = self.current_selected
+        current_pagetop_index = per_page * math.floor(old_current_selected / per_page)
+
+        self.change_page = True
+        if self.current_page == 1:
+            total_page = math.ceil(total_data_size / per_page)
+
+            if total_page >= 1:
+                self.current_selected = (total_page - 1) * per_page
+            else:
+                pass
+        else:
+            self.current_selected = current_pagetop_index - per_page
+
+    def next_page(self, total_data_size):
+        per_page = self.per_page
+        old_current_selected = self.current_selected
+        current_pagetop_index = per_page * math.floor(old_current_selected / per_page)
+        total_page = math.ceil(total_data_size / per_page)
+
+        self.change_page = True
+        if self.current_page == total_page:
+            self.current_selected = 0
+        else:
+            self.current_selected = current_pagetop_index + per_page
+
+    def down(self, total_data_size):
+        old_current_page = self.current_page
+        old_current_selected = self.current_selected
+
+        if old_current_selected >= total_data_size - 1:
+            self.change_page = True
+            self.current_selected = 0
+        else:
+            self.current_selected += 1
+            if self.current_page != old_current_page:
+                self.change_page = True
+
+    def up(self, total_data_size):
+        old_current_page = self.current_page
+        old_current_selected = self.current_selected
+
+        if old_current_selected == 0:
+            self.change_page = True
+            self.current_selected = total_data_size - 1  # wrap around.
+        else:
+            self.current_selected -= 1
+            if self.current_page != old_current_page:
+                self.change_page = True
+
 
 class SearchResult(Base):
     """Display options build from a list of strings in a (unix) terminal.
@@ -106,10 +162,7 @@ def data_size(self) -> int:
 
     @property
     def current_page(self) -> int:
-        return self.current_selected // self.per_page + 1
-
-    def current_page_from(self, current_selected) -> int:
-        return current_selected // self.per_page + 1
+        return self.helper.current_page
 
     def update_per_page(self, value):
         self.helper.update_per_page(value)
@@ -355,57 +408,29 @@ def update_view_in_loop(self) -> bool:
 
     def handle_key_in_loop(self, user_input):
         self.helper.change_page = False
-        old_current_page = self.current_page
         textboxes = self.textboxes
         textboxes_len = len(textboxes)
 
         if textboxes_len == 0:
             return
 
-        current_selected = self.current_selected
         per_page = self.per_page
 
-        # Vim like KEY_UP/KEY_DOWN with j(DOWN) and k(UP)
         if textboxes_len > 1 and user_input == curses.KEY_DOWN:
-            if current_selected >= textboxes_len - 1:
-                self.helper.change_page = True
-                current_selected = 0  # wrap around.
-            else:
-                current_selected += 1
-                if self.current_page_from(current_selected) != old_current_page:
-                    self.helper.change_page = True
+            self.helper.down(textboxes_len)
         elif textboxes_len > 1 and user_input == curses.KEY_UP:
-            if current_selected == 0:
-                self.helper.change_page = True
-                current_selected = textboxes_len - 1  # wrap around.
-            else:
-                current_selected -= 1
-                if self.current_page_from(current_selected) != old_current_page:
-                    self.helper.change_page = True
+            self.helper.up(textboxes_len)
         elif textboxes_len > per_page + 1 and user_input == curses.KEY_RIGHT:
-            self.helper.change_page = True
-            next_pagetop_index = per_page * (math.ceil(current_selected / per_page) + 1)
-
-            if next_pagetop_index <= textboxes_len - 1:
-                current_selected = next_pagetop_index
-            else:
-                current_selected = 0  # wrap around.
+            self.helper.next_page(textboxes_len)
         elif textboxes_len > per_page + 1 and user_input == curses.KEY_LEFT:
-            self.helper.change_page = True
-            current_pagetop_index = per_page * math.floor(current_selected / per_page)
-            if current_pagetop_index <= 0:
-                current_selected = textboxes_len - per_page  # wrap around.
-            else:
-                current_selected = current_pagetop_index - per_page
+            self.helper.prev_page(textboxes_len)
         elif user_input == curses.KEY_RESIZE:
             self.reset()
         elif user_input in (curses.ascii.BS, curses.ascii.DEL, curses.KEY_BACKSPACE):
             self.reset()
         elif user_input == ord("q"):  # Quit without selecting.
             self.stop_loop = True
 
-        self.helper.current_selected = current_selected
-
 
 if __name__ == "__main__":
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "gfzs"
-version = "0.2.1"
+version = "0.2.2"
 description = "Google Fuzzy Search"
 authors = ["yukihirop <[email protected]>"]
 license = "MIT"