split into files

2021-08-26 15:53:12 +02:00
parent 5bf5f27128
commit cbc988d4ee
7 changed files with 689 additions and 666 deletions
@@ -0,0 +1,63 @@
+from tkinter import ttk
+from typing import Optional
+
+from .file import File
+from .image import Image
+
+
+class Explorer(ttk.Frame):
+    def __init__(self, parent, update_callback) -> None:
+        super().__init__(parent)
+
+        self.current_file = None
+        self.update_callback = update_callback
+
+        self.explorer = ttk.Treeview(self, columns=("size"))
+        self.explorer.heading("#0", text="name")
+        self.explorer.heading("size", text="size")
+        self.explorer.column("#0", width=100, anchor="w")
+        self.explorer.column("size", width=100, anchor="w")
+        self.explorer.grid(row=0, column=0, sticky="nsw")
+        self.explorer.bind("<<TreeviewSelect>>", self.explorer_item_click)
+
+        yscrollbar = ttk.Scrollbar(self, orient="vertical", command=self.explorer.yview)
+        yscrollbar.grid(row=0, column=1, sticky="nsw")
+        self.explorer.configure(yscrollcommand=yscrollbar.set)
+
+        self.grid_rowconfigure(0, weight=1)
+        self.grid_columnconfigure(0, weight=1)
+
+    @property
+    def current_image(self) -> Optional[Image]:
+        if self.current_file is None or self.explorer.focus() == "":
+            return None
+        else:
+            return self.current_file.images[int(self.explorer.focus())]
+
+    def update(self, file: File, force: bool):
+        if force or file != self.current_file:
+            ids = self.explorer.get_children()
+            if len(ids) > 0:
+                self.explorer.delete(*ids)
+
+        self.current_file = file
+
+        if self.current_file is not None:
+            for i, image in enumerate(self.current_file.images):
+                if self.explorer.exists(str(i)):
+                    self.explorer.item(
+                        str(i),
+                        text=f"{image.name}{'*' if image.modified else ''}",
+                        values=[f"{image.width}x{image.height}"],
+                    )
+                else:
+                    self.explorer.insert(
+                        "",
+                        "end",
+                        iid=str(i),
+                        text=f"{image.name}{'*' if image.modified else ''}",
+                        values=[f"{image.width}x{image.height}"],
+                    )
+
+    def explorer_item_click(self, event) -> None:
+        self.update_callback()