361 lines
10 KiB
Python
361 lines
10 KiB
Python
from textual.app import App, ComposeResult, SystemCommand
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from textual.widgets import Header, Footer, ContentSwitcher, DirectoryTree, Static, Button, TextArea, Tabs, Tab, RichLog, Input
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from textual.containers import HorizontalGroup, Vertical
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from textual.binding import Binding
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from textual_window import Window
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from textual import on
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from textual_fspicker import FileOpen, FileSave
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from pathlib import Path
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from assets.theme_mappings import theme_mappings
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from plugin_loader import PluginLoader
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from settings import SettingsScreen
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from settings_store import ConfigHandler
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from directory_tree_custom import CustomDirectoryTree
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from watchdog.observers import Observer
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from watchdog.events import FileSystemEventHandler
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import os, sys
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class Watcher(FileSystemEventHandler):
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def __init__(self, app: App):
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super().__init__()
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self.app = app
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async def on_any_event(self, event):
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await self.app.query_one(DirectoryTree).reload()
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class Berry(App):
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CSS_PATH = "assets/style.tcss"
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SUB_TITLE = "New File"
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BINDINGS = [
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Binding("ctrl+o", "open", "Open File"),
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Binding("ctrl+n", "new", "New File"),
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Binding("ctrl+s", "save", "Save"),
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Binding("ctrl+shift+s", "save_as", "Save As...", priority=True),
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Binding("ctrl+f", "find", "Find", priority=True),
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Binding("ctrl+f1", "settings", "Settings")
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]
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def __init__(self, path: str):
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super().__init__()
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self.path = path
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self.config_handler = ConfigHandler(self)
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def compose(self) -> ComposeResult:
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yield Header()
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with Vertical(id="sidebar"):
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with HorizontalGroup(id="sidebar-buttons"):
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yield Button("📂")
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yield Button("🔍")
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with ContentSwitcher(initial="files", id="sidebar-switcher"):
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with Vertical(id="files"):
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yield Static("EXPLORER")
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yield CustomDirectoryTree(self.path, id="directory")
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with Vertical(id="editor"):
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first_tab = Tab("New File")
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first_tab.file_path = None
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yield Tabs(
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first_tab,
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id="file-tabs"
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)
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yield TextArea.code_editor(placeholder="This file is empty.", theme="css", id="code-editor", disabled=True, soft_wrap=True, show_line_numbers=bool(int(self.config_handler.get("editor", "line_numbers"))))
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#if os.name == "nt":
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#with Vertical(id="console-container"):
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# yield RichLog(id="console")
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# yield Input(placeholder="> ", id="console-input")
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#else:
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# yield Terminal(command="bash", id="terminal")
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yield Footer()
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if bool(int(self.config_handler.get("plugins", "enabled"))) == True:
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yield PluginLoader()
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def action_settings(self):
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self.push_screen(SettingsScreen())
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def get_system_commands(self, screen):
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yield SystemCommand(
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"Quit the application",
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"Quit the application as soon as possible",
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self.action_quit,
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)
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if screen.query("HelpPanel"):
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yield SystemCommand(
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"Hide keys and help panel",
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"Hide the keys and widget help panel",
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self.action_hide_help_panel,
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)
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else:
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yield SystemCommand(
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"Show keys and help panel",
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"Show help for the focused widget and a summary of available keys",
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self.action_show_help_panel,
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)
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yield SystemCommand("Settings", "Open the settings menu", self.action_settings)
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async def chose_file_to_open(self, result):
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if result == None: return
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result = str(result)
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if self.open_file == result:
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return
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def is_within_directory(file_path: str, directory: str) -> bool:
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file_path = Path(file_path).resolve()
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directory = Path(directory).resolve()
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return directory in file_path.parents
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self.switching = True
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tabs: Tabs = self.query_one("#file-tabs")
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if self.open_file not in self.unsaved_files:
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if self.open_file:
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self.file_tabs.pop(self.open_file)
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tabs.remove_tab(tabs.active_tab)
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self.open_file = result
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inside_dir = is_within_directory(result, self.path)
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self.sub_title = os.path.basename(self.open_file) if inside_dir else self.open_file
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if result not in self.file_tabs:
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new_tab = Tab(os.path.basename(result) if inside_dir else result)
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new_tab.tooltip = str(new_tab.label)
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setattr(new_tab, "file_path", result)
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await tabs.add_tab(new_tab)
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self.file_tabs[result] = new_tab
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tabs.active = new_tab.id
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else:
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tabs.active = self.file_tabs[result].id
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def action_open(self):
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self.app.push_screen(FileOpen(), self.chose_file_to_open)
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def action_find(self):
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try:
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self.query_one("#find-window")
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return
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except:
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find_window = Window(
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Vertical(
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HorizontalGroup(
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Input(placeholder="Find"),
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Static("0 of 0", id="num-matches"),
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Button("↑", flat=True),
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Button("↓", flat=True),
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),
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HorizontalGroup(
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Input(placeholder="Replace"),
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),
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),
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icon="🔍",
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start_open=True,
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allow_resize=False,
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allow_maximize=False,
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id="find-window",
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mode="temporary",
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name="Find & Replace"
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)
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self.mount(find_window)
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async def on_directory_tree_file_selected(self, event: DirectoryTree.FileSelected):
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if self.open_file == str(event.path):
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return
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self.file_clicked = True
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self.switching = True
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tabs: Tabs = self.query_one("#file-tabs")
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if self.open_file not in self.unsaved_files:
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if self.open_file:
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self.file_tabs.pop(self.open_file)
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tabs.remove_tab(tabs.active_tab)
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self.open_file = str(event.path)
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self.sub_title = os.path.basename(self.open_file)
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if str(event.path) not in self.file_tabs:
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new_tab = Tab(os.path.basename(str(event.path)))
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new_tab.tooltip = str(new_tab.label)
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setattr(new_tab, "file_path", str(event.path))
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await tabs.add_tab(new_tab)
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self.file_tabs[str(event.path)] = new_tab
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tabs.active = new_tab.id
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else:
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tabs.active = self.file_tabs[str(event.path)].id
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@on(Tabs.TabActivated)
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def on_tab_shown(self, event: Tabs.TabActivated):
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if self.file_clicked:
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self.file_clicked = False
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else:
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self.open_file = getattr(event.tab, "file_path")
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self.switching = True
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code_editor: TextArea = self.query_one("#code-editor")
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if self.open_file:
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try:
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f = open(self.open_file, "r", encoding="utf-8")
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except Exception as e:
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self.notify(f"Failed to open the file: {e}")
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return
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try:
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if self.open_file in self.unsaved_files:
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code_editor.text = self.unsaved_files[self.open_file]["current"]
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else:
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code_editor.text = f.read()
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file_extension = self.open_file
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dot_count = file_extension.count(".")
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if dot_count == 1:
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if file_extension.startswith("."):
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file_extension = file_extension.removeprefix(".")
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else:
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file_extension = file_extension.rsplit(".", 1)[1]
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elif dot_count > 1:
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file_extension = file_extension.rsplit(".", 1)[1]
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code_editor.language = theme_mappings.get(file_extension, None)
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code_editor.disabled = False
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except UnicodeDecodeError:
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code_editor.text = "This file is in binary, it can't be opened. Sorry."
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code_editor.language = None
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code_editor.disabled = True
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f.close()
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else:
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code_editor.text = ""
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code_editor.language = None
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code_editor.disabled = False
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code_editor.focus()
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@on(Window.Minimized)
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def window_minimized(self, event: Window.Minimized):
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event.window.remove_window()
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def on_text_area_changed(self, event: TextArea.Changed):
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if event.text_area.id != "code-editor":
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return
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if self.switching:
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self.switching = False
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return
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tabs: Tabs = self.query_one("#file-tabs")
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if self.open_file:
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if not self.open_file in self.unsaved_files:
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with open(self.open_file, "r", encoding="utf-8") as f:
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if f.read() == event.text_area.text: # TODO: figure out why im guetting what seems like a race conidition which is making this if statement needed
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return
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self.unsaved_files[self.open_file] = {"current": event.text_area.text, "original": f.read()}
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tabs.active_tab.tooltip = f"Unsaved changes in {tabs.active_tab.label}"
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tabs.active_tab.label = "[d orange]●[/] " + str(tabs.active_tab.label)
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else:
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self.unsaved_files[self.open_file]["current"] = event.text_area.text
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if self.unsaved_files[self.open_file]["original"] == self.unsaved_files[self.open_file]["current"]:
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tabs.active_tab.label = os.path.basename(self.open_file)
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tabs.active_tab.tooltip = str(tabs.active_tab.label)
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self.unsaved_files.pop(self.open_file)
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def action_new(self):
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tabs: Tabs = self.query_one("#file-tabs")
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new_tab = Tab("New File")
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setattr(new_tab, "file_path", None)
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tabs.add_tab(new_tab)
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tabs.active = new_tab.id
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self.open_file = None
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self.switching = True
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code_editor: TextArea = self.query_one("#code-editor")
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code_editor.disabled = False
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code_editor.text = ""
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def done_saving(self, result):
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if result is None: return
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with open(result, "w", encoding="utf-8") as f:
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f.write(self.query_one("#code-editor").text)
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tabs: Tabs = self.query_one("#file-tabs")
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tabs.active_tab.label = os.path.basename(result)
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self.notify(f"Saved to {result} successfully.", title="Done!", markup=False)
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self.query_one(DirectoryTree).reload()
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def action_save_as(self):
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self.push_screen(FileSave(), callback=self.done_saving)
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def action_save(self):
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if self.open_file == None and self.query_one("#code-editor").disabled == False:
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self.action_save_as()
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# dont bother saving if there are no new changes
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if not self.open_file in self.unsaved_files: return
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with open(self.open_file, "w") as f:
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f.write(self.unsaved_files[self.open_file]["current"])
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tabs: Tabs = self.query_one("#file-tabs")
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tabs.active_tab.label = os.path.basename(self.open_file)
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tabs.active_tab.tooltip = str(tabs.active_tab.label)
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self.unsaved_files.pop(self.open_file)
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self.notify("Saved.")
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def action_quit(self):
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self.observer.stop()
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self.observer.join()
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return super().action_quit()
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def on_ready(self):
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# src/main.py: Tab<>
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self.file_tabs = {}
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self.open_file = None
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self.unsaved_files = {} # list of paths
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self.switching = False
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self.file_clicked = False
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self.observer = Observer()
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self.observer.schedule(Watcher(self), path=self.path)
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self.observer.start()
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self.config_handler.apply_settings()
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if __name__ == "__main__":
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working_path = os.getcwd() if len(sys.argv) == 1 else sys.argv[1]
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app = Berry(working_path)
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app.run() |