175 lines
5.8 KiB
Rust
175 lines
5.8 KiB
Rust
//! ## SetupActivity
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//!
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//! `setup_activity` is the module which implements the Setup activity, which is the activity to
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//! work on termscp configuration
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/**
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* MIT License
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*
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* termscp - Copyright (c) 2021 Christian Visintin
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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// Submodules
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mod actions;
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mod config;
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mod update;
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mod view;
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// Deps
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extern crate crossterm;
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extern crate tui;
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// Locals
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use super::{Activity, Context, ExitReason};
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use crate::ui::layout::view::View;
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// Ext
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use crossterm::terminal::{disable_raw_mode, enable_raw_mode};
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// -- components
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const COMPONENT_TEXT_HELP: &str = "TEXT_HELP";
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const COMPONENT_TEXT_FOOTER: &str = "TEXT_FOOTER";
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const COMPONENT_TEXT_ERROR: &str = "TEXT_ERROR";
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const COMPONENT_RADIO_QUIT: &str = "RADIO_QUIT";
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const COMPONENT_RADIO_SAVE: &str = "RADIO_SAVE";
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const COMPONENT_INPUT_TEXT_EDITOR: &str = "INPUT_TEXT_EDITOR";
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const COMPONENT_RADIO_DEFAULT_PROTOCOL: &str = "RADIO_DEFAULT_PROTOCOL";
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const COMPONENT_RADIO_HIDDEN_FILES: &str = "RADIO_HIDDEN_FILES";
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const COMPONENT_RADIO_UPDATES: &str = "RADIO_CHECK_UPDATES";
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const COMPONENT_RADIO_GROUP_DIRS: &str = "RADIO_GROUP_DIRS";
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const COMPONENT_INPUT_FILE_FMT: &str = "INPUT_FILE_FMT";
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const COMPONENT_RADIO_TAB: &str = "RADIO_TAB";
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const COMPONENT_LIST_SSH_KEYS: &str = "LIST_SSH_KEYS";
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const COMPONENT_INPUT_SSH_HOST: &str = "INPUT_SSH_HOST";
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const COMPONENT_INPUT_SSH_USERNAME: &str = "INPUT_SSH_USERNAME";
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const COMPONENT_RADIO_DEL_SSH_KEY: &str = "RADIO_DEL_SSH_KEY";
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/// ### ViewLayout
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///
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/// Current view layout
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#[derive(std::cmp::PartialEq)]
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enum ViewLayout {
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SetupForm,
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SshKeys,
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}
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/// ## SetupActivity
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///
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/// Setup activity states holder
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pub struct SetupActivity {
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exit_reason: Option<ExitReason>,
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context: Option<Context>, // Context holder
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view: View, // View
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layout: ViewLayout, // View layout
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redraw: bool,
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}
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impl Default for SetupActivity {
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fn default() -> Self {
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// Initialize user input
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let mut user_input_buffer: Vec<String> = Vec::with_capacity(16);
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for _ in 0..16 {
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user_input_buffer.push(String::new());
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}
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SetupActivity {
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exit_reason: None,
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context: None,
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view: View::init(),
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layout: ViewLayout::SetupForm,
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redraw: true, // Draw at first `on_draw`
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}
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}
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}
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impl Activity for SetupActivity {
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/// ### on_create
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///
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/// `on_create` is the function which must be called to initialize the activity.
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/// `on_create` must initialize all the data structures used by the activity
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/// Context is taken from activity manager and will be released only when activity is destroyed
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fn on_create(&mut self, context: Context) {
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// Set context
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self.context = Some(context);
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// Clear terminal
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self.context.as_mut().unwrap().clear_screen();
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// Put raw mode on enabled
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let _ = enable_raw_mode();
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// Init view
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self.init_setup();
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// Verify error state from context
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if let Some(err) = self.context.as_mut().unwrap().get_error() {
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self.mount_error(err.as_str());
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}
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}
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/// ### on_draw
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///
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/// `on_draw` is the function which draws the graphical interface.
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/// This function must be called at each tick to refresh the interface
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fn on_draw(&mut self) {
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// Context must be something
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if self.context.is_none() {
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return;
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}
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// Read one event
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if let Ok(Some(event)) = self.context.as_ref().unwrap().input_hnd.read_event() {
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// Set redraw to true
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self.redraw = true;
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// Handle event
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let msg = self.view.on(event);
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self.update(msg);
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}
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// Redraw if necessary
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if self.redraw {
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// View
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self.view();
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// Redraw back to false
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self.redraw = false;
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}
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}
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/// ### will_umount
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///
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/// `will_umount` is the method which must be able to report to the activity manager, whether
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/// the activity should be terminated or not.
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/// If not, the call will return `None`, otherwise return`Some(ExitReason)`
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fn will_umount(&self) -> Option<&ExitReason> {
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self.exit_reason.as_ref()
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}
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/// ### on_destroy
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///
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/// `on_destroy` is the function which cleans up runtime variables and data before terminating the activity.
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/// This function must be called once before terminating the activity.
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/// This function finally releases the context
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fn on_destroy(&mut self) -> Option<Context> {
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// Disable raw mode
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let _ = disable_raw_mode();
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self.context.as_ref()?;
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// Clear terminal and return
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match self.context.take() {
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Some(mut ctx) => {
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ctx.clear_screen();
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Some(ctx)
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}
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None => None,
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}
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}
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}
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