add default config

4 files changed, 416 insertions, 7 deletions

diff --git a/src/app.rs b/src/app.rs
index b166964..5037a8c 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -49,10 +49,12 @@ impl App {
     }
 
     pub fn run(mut self, terminal: &mut tui::Tui) -> io::Result<()> {
-        if let Err(e) = lua::source(&config::env::USER_RC_PATH) {
-            tui::restore()?;
-            println!("{}", e);
-            return Ok(());
+        if let Err(_) = lua::source(&config::env::USER_RC_PATH) {
+            if let Err(e) = lua::source_default_config() {
+                tui::restore()?;
+                println!("{}", e);
+                return Ok(());
+            }
         }
 
         while !{ GlobalState::get().exit } {
diff --git a/src/init.lua b/src/init.lua
new file mode 100644
index 0000000..6d396b6
--- /dev/null
+++ b/src/init.lua
@@ -0,0 +1,406 @@
+-- ┏┓╻┏━╸┏━┓┏━┓╻ ╻┏━╸┏━╸╺┳╸   ┏━╸┏━┓┏┓╻┏━╸╻┏━╸
+-- ┃┗┫┣╸ ┃ ┃┗━┓┣━┫┣╸ ┣╸  ┃    ┃  ┃ ┃┃┗┫┣╸ ┃┃╺┓
+-- ╹ ╹┗━╸┗━┛┗━┛╹ ╹┗━╸┗━╸ ╹    ┗━╸┗━┛╹ ╹╹  ╹┗━┛
+--
+-- This is the default neosheet config. Without any config
+-- neosheet is *not* capable of anything, since its basically just
+-- a display for sheets.
+--
+-- All kinds of shortcuts and key presses and color schemes need
+-- to be defined in this lua config file.
+--
+-- Let's bind the neosheet environment to a local variable so
+-- it's easier to read and use.
+--
+local neosheet = require('neosheet')
+
+
+-- ╺┳╸╻ ╻┏━╸┏┳┓┏━╸
+--  ┃ ┣━┫┣╸ ┃┃┃┣╸
+--  ╹ ╹ ╹┗━╸╹ ╹┗━╸
+--
+-- The following section defines the default theme of neosheet.
+-- Every color value needs to have at least the following structure:
+--
+-- ```
+-- {
+--   fg = "#ffffff" -- or some other rgb color
+--   bg = "#000000" -- same here.
+-- }
+-- ```
+--
+-- There are also some optional boolean values which ore by false by default:
+--
+-- * bold
+-- * italic
+-- * underlined
+
+-- The following two function are just helper functions
+-- to make our life easier.
+--
+-- The first function (`highlight_type`)
+-- Takes a type-string, a switch-table and a fallback as arguments.
+-- The switch-table shall contain all possible type-strings you might expect
+-- for the variable given. The fallback is used if the type is not in the table.
+--
+-- The second function (`cell_fg`) is used to color the cells in the sheetview.
+-- it only takes a type-string as argument and will return a color-string according
+-- to the type given.
+--
+local function highlight_type(t, tbl, fallback)
+	local value = tbl[t]
+	if value == nil then
+		return fallback
+	end
+	return value
+end
+
+local function cell_fg(t)
+	return highlight_type(
+		t,
+		{
+			string = "#98971a",
+			number = "#458588",
+		},
+		"#cc241d"
+	)
+end
+
+-- ╺┳╸╻ ╻┏━╸┏┳┓┏━╸   ┏━┓╻ ╻┏━╸┏━╸╺┳╸╻ ╻╻┏━╸╻ ╻
+--  ┃ ┣━┫┣╸ ┃┃┃┣╸    ┗━┓┣━┫┣╸ ┣╸  ┃ ┃┏┛┃┣╸ ┃╻┃
+--  ╹ ╹ ╹┗━╸╹ ╹┗━╸   ┗━┛╹ ╹┗━╸┗━╸ ╹ ┗┛ ╹┗━╸┗┻┛
+--
+-- In this section we are going to style the sheetview.
+-- That is the part where the spreadsheet will be showed to you.
+--
+-- It is important to know that every color value can be ether a
+-- color value as described above or a function which returns such kind
+-- of value (This applies also to all other kind of values as we will
+-- see later in this file).
+--
+neosheet.config.theme.view.cursor = function(cell)
+	return {
+		fg = cell_fg(type(cell.value)),
+		bg = "#ebdbb2",
+		bold = true
+	}
+end
+
+-- Let's create a chessboard-pattern for the cells and selection.
+-- such that it looks cleaner and we can see the columns and rows better.
+neosheet.config.theme.view.cell = function(cell)
+	local theme = {
+		fg = cell_fg(type(cell.value))
+	}
+
+	if ((cell.row + cell.column) % 2 == 0) then
+		theme.bg = "#282828";
+	else
+		theme.bg = "#3c3836";
+	end
+
+	return theme
+end
+
+neosheet.config.theme.view.selection = function(cell)
+	local theme = {
+		fg = cell_fg(type(cell.value)),
+	}
+
+	if ((cell.row + cell.column) % 2 == 0) then
+		theme.bg = "#665c54";
+	else
+		theme.bg = "#504945";
+	end
+
+	return theme
+end
+
+-- For the background where no cell is drawn we can also use just a static value.
+neosheet.config.theme.view.background = { bg = "#32302f" }
+
+
+-- ╺┳╸╻ ╻┏━╸┏┳┓┏━╸   ┏━┓╻ ╻┏━╸┏━╸╺┳╸╻ ╻╻┏━╸╻ ╻   ┏┓ ┏━┓┏━┓
+--  ┃ ┣━┫┣╸ ┃┃┃┣╸    ┗━┓┣━┫┣╸ ┣╸  ┃ ┃┏┛┃┣╸ ┃╻┃   ┣┻┓┣━┫┣┳┛
+--  ╹ ╹ ╹┗━╸╹ ╹┗━╸   ┗━┛╹ ╹┗━╸┗━╸ ╹ ┗┛ ╹┗━╸┗┻┛   ┗━┛╹ ╹╹┗╸
+--
+-- Now let's style the bar which is attached to the
+-- bottom of the sheetview.
+--
+-- As a side note: Every bar element in neosheet
+-- will be styled the same way.
+--
+neosheet.config.theme.view.bar.left = {
+	fg = "#ebdbb2",
+	bg = "#b16286"
+}
+neosheet.config.theme.view.bar.middle = {
+	fg = "#ebdbb2",
+	bg = "#1d2021"
+}
+
+-- We can also display the current mode on the left side
+-- of the bar with a function.
+neosheet.state.view.bar.left = function(mode)
+	return " " .. string.upper(mode) .. " "
+end
+
+neosheet.state.view.bar.middle = " "
+
+-- ╺┳╸╻ ╻┏━╸┏┳┓┏━╸   ┏━╸╺┳┓╻╺┳╸┏━┓┏━┓
+--  ┃ ┣━┫┣╸ ┃┃┃┣╸    ┣╸  ┃┃┃ ┃ ┃ ┃┣┳┛
+--  ╹ ╹ ╹┗━╸╹ ╹┗━╸   ┗━╸╺┻┛╹ ╹ ┗━┛╹┗╸
+--
+-- The editor is the part of neosheet were you can
+-- edit your more complex formulas and transformation scripts.
+--
+neosheet.config.theme.editor.background = { bg = "#282828" }
+neosheet.config.theme.editor.cursor_line = { bg = "#32302f" }
+neosheet.config.theme.editor.line_number = { fg = "#a89984" }
+neosheet.config.theme.editor.active_line_number = {
+	fg = "#a89984", bg = "#504945", bold = true
+}
+
+-- ╺┳╸╻ ╻┏━╸┏┳┓┏━╸   ┏━╸╺┳┓╻╺┳╸┏━┓┏━┓   ┏┓ ┏━┓┏━┓
+--  ┃ ┣━┫┣╸ ┃┃┃┣╸    ┣╸  ┃┃┃ ┃ ┃ ┃┣┳┛   ┣┻┓┣━┫┣┳┛
+--  ╹ ╹ ╹┗━╸╹ ╹┗━╸   ┗━╸╺┻┛╹ ╹ ┗━┛╹┗╸   ┗━┛╹ ╹╹┗╸
+--
+-- The editor also does have a bar on the bottom.
+-- It is styled the same way as we did on sheetview.
+--
+neosheet.config.theme.editor.bar.left = {
+	fg = "#ebdbb2",
+	bg = "#b16286"
+}
+neosheet.config.theme.editor.bar.middle = {
+	fg = "#ebdbb2",
+	bg = "#1d2021"
+}
+
+-- ╺┳╸╻ ╻┏━╸┏┳┓┏━╸   ┏━╸╺┳┓╻╺┳╸┏━┓┏━┓   ╻ ╻╻┏━╸╻ ╻╻  ╻┏━╸╻ ╻╺┳╸
+--  ┃ ┣━┫┣╸ ┃┃┃┣╸    ┣╸  ┃┃┃ ┃ ┃ ┃┣┳┛   ┣━┫┃┃╺┓┣━┫┃  ┃┃╺┓┣━┫ ┃
+--  ╹ ╹ ╹┗━╸╹ ╹┗━╸   ┗━╸╺┻┛╹ ╹ ┗━┛╹┗╸   ╹ ╹╹┗━┛╹ ╹┗━╸╹┗━┛╹ ╹ ╹
+--
+-- In this section we can set the colors of the syntax highlighting
+-- in the editor.
+--
+neosheet.config.theme.editor.highlight = {
+	attribute = { fg = "#a89984" },
+	boolean = { fg = "#690d6a" },
+	comment = { fg = "#665c54" },
+	conditional = { fg = "#fabdb2f" },
+	constant = { fg = "#458588" },
+	constant_builtin = { fg = "#458588" },
+	constructor = { fg = "#ebdbb2" },
+	field = { fg = "#a89984" },
+	['function'] = { fg = "#ebdbb2" },
+	function_builtin = { fg = "#ebdbb2" },
+	function_call = { fg = "#ebdbb2" },
+	keyword = { fg = "#fabdb2f" },
+	keyword_function = { fg = "#fabd2f" },
+	keyword_operator = { fg = "#fabd2f" },
+	keyword_return = { fg = "#fabd2f" },
+	label = { fg = "#ebdbb2" },
+	method = { fg = "#83a598" },
+	method_call = { fg = "#83a598" },
+	number = { fg = "#458588" },
+	operator = { fg = "#a89984" },
+	parameter = { fg = "#ebdbb2" },
+	preproc = { fg = "#ebdbb2" },
+	punctuation_bracket = { fg = "#a89984" },
+	punctuation_delimiter = { fg = "#a89984" },
+	['repeat'] = { fg = "#fabdb2f" },
+	string = { fg = "#8ec07c" },
+	string_escape = { fg = "#fabdb2f" },
+	variable = { fg = "#ebdbb2" },
+	variable_builtin = { fg = "#ebdbb2" },
+}
+
+
+-- ╻┏ ┏━╸╻ ╻┏┳┓┏━┓┏━┓
+-- ┣┻┓┣╸ ┗┳┛┃┃┃┣━┫┣━┛
+-- ╹ ╹┗━╸ ╹ ╹ ╹╹ ╹╹
+--
+-- Let's define some keymaps so we can actually navigate
+-- in neosheet.
+--
+-- The keymaps are configured under `neosheet.config.keymap`
+-- there is always the `map` function which takes a key-combination
+-- and a function as a argument.
+--
+
+-- ╻┏ ┏━╸╻ ╻┏┳┓┏━┓┏━┓   ┏━┓╻ ╻┏━╸┏━╸╺┳╸╻ ╻╻┏━╸╻ ╻
+-- ┣┻┓┣╸ ┗┳┛┃┃┃┣━┫┣━┛   ┗━┓┣━┫┣╸ ┣╸  ┃ ┃┏┛┃┣╸ ┃╻┃
+-- ╹ ╹┗━╸ ╹ ╹ ╹╹ ╹╹     ┗━┛╹ ╹┗━╸┗━╸ ╹ ┗┛ ╹┗━╸┗┻┛
+
+neosheet.config.keymap.view.map('j', function()
+	neosheet.state.view.move_cursor('down')
+end)
+
+neosheet.config.keymap.view.map('k', function()
+	neosheet.state.view.move_cursor('up')
+end)
+
+neosheet.config.keymap.view.map('h', function()
+	neosheet.state.view.move_cursor('left')
+end)
+
+neosheet.config.keymap.view.map('l', function()
+	neosheet.state.view.move_cursor('right')
+end)
+
+neosheet.config.keymap.view.map('<s-h>', function()
+	neosheet.state.view.move_cursor('begin')
+end)
+
+neosheet.config.keymap.view.map('<s-l>', function()
+	neosheet.state.view.move_cursor('end')
+end)
+
+neosheet.config.keymap.view.map('<s-k>', function()
+	neosheet.state.view.move_cursor('top')
+end)
+
+neosheet.config.keymap.view.map('<s-j>', function()
+	neosheet.state.view.move_cursor('bottom')
+end)
+
+neosheet.config.keymap.view.map(':', function()
+	neosheet.state.view.mode = 'command'
+end)
+
+neosheet.config.keymap.view.map('i', function()
+	neosheet.state.view.mode = 'insert'
+end)
+
+neosheet.config.keymap.view.map('v', function()
+	if (neosheet.state.view.mode == 'visual') then
+		neosheet.state.view.mode = 'normal'
+	else
+		neosheet.state.view.mode = 'visual'
+	end
+end)
+
+neosheet.config.keymap.view.map('s', function()
+	neosheet.state.active_window = 'editor'
+	neosheet.state.editor.lines =
+	[[require('neosheet').state.view.active:map(function(cell)
+	return ''
+end)]]
+end)
+
+neosheet.config.keymap.view.map('<esc>', function()
+	neosheet.state.view.mode = 'normal'
+end)
+
+neosheet.config.keymap.global.map('<c-q>', function()
+	neosheet.state.quit()
+end)
+
+neosheet.config.keymap.global.map('<c-l>', function()
+	neosheet.state.log.visible = not neosheet.state.log.visible
+end)
+
+neosheet.config.keymap.global.map('<c-o>', function()
+	local sheet = neosheet.sheet.open('./sample-large.csv')
+	neosheet.state.view.active = sheet
+end)
+
+-- ╻┏ ┏━╸╻ ╻┏┳┓┏━┓┏━┓   ┏━╸╺┳┓╻╺┳╸┏━┓┏━┓
+-- ┣┻┓┣╸ ┗┳┛┃┃┃┣━┫┣━┛   ┣╸  ┃┃┃ ┃ ┃ ┃┣┳┛
+-- ╹ ╹┗━╸ ╹ ╹ ╹╹ ╹╹     ┗━╸╺┻┛╹ ╹ ┗━┛╹┗╸
+--
+-- Let's add vim-motions to the editor.
+
+local mode = nil
+local function set_mode(m)
+	mode = m
+	if mode == 'normal' then
+		neosheet.state.editor.cursor_shape = 'block'
+		neosheet.config.keymap.editor.default = false
+	elseif mode == 'insert' then
+		neosheet.state.editor.cursor_shape = 'bar'
+		neosheet.config.keymap.editor.default = true
+	end
+
+	neosheet.state.editor.bar.left = " "..string.upper(mode).." "
+end
+
+set_mode('normal')
+
+neosheet.config.keymap.editor.map('<up>', function()
+	neosheet.state.editor.move_cursor('up')
+end)
+
+neosheet.config.keymap.editor.map('<down>', function()
+	neosheet.state.editor.move_cursor('down')
+end)
+
+neosheet.config.keymap.editor.map('<left>', function()
+	neosheet.state.editor.move_cursor('left')
+end)
+
+neosheet.config.keymap.editor.map('<right>', function()
+	neosheet.state.editor.move_cursor('right')
+end)
+
+neosheet.config.keymap.editor.map('<c-c>', function()
+	neosheet.state.editor.visible = false;
+end)
+
+neosheet.config.keymap.editor.map('<esc>', function()
+	set_mode('normal')
+end)
+
+neosheet.config.keymap.editor.map('i', function()
+	if mode == 'normal' then
+		set_mode('insert')
+	else
+		return true
+	end
+end)
+
+neosheet.config.keymap.editor.map('a', function()
+	if mode == 'normal' then
+		set_mode('insert')
+		neosheet.state.editor.move_cursor('right')
+	else
+		return true
+	end
+end)
+
+neosheet.config.keymap.editor.map('k', function()
+	if mode == 'normal' then
+		neosheet.state.editor.move_cursor('up')
+	else
+		return true
+	end
+end)
+
+neosheet.config.keymap.editor.map('j', function()
+	if mode == 'normal' then
+		neosheet.state.editor.move_cursor('down')
+	else
+		return true
+	end
+end)
+
+neosheet.config.keymap.editor.map('h', function()
+	if mode == 'normal' then
+		neosheet.state.editor.move_cursor('left')
+	else
+		return true
+	end
+end)
+
+neosheet.config.keymap.editor.map('l', function()
+	if mode == 'normal' then
+		neosheet.state.editor.move_cursor('right')
+	else
+		return true
+	end
+end)
+
+neosheet.config.keymap.editor.map('<c-r>', function()
+	neosheet.state.editor.run()
+end)
diff --git a/src/lua/mod.rs b/src/lua/mod.rs
index e7c3352..ae619b0 100644
--- a/src/lua/mod.rs
+++ b/src/lua/mod.rs
@@ -87,3 +87,7 @@ pub fn source(path: &str) -> LuaResult<()> {
         )))
     }
 }
+
+pub fn source_default_config() -> LuaResult<()> {
+    get().load(include_str!("../init.lua")).exec()
+}
diff --git a/src/state/view/mode.rs b/src/state/view/mode.rs
index 63e6e5b..c030197 100644
--- a/src/state/view/mode.rs
+++ b/src/state/view/mode.rs
@@ -5,7 +5,6 @@ pub enum Mode {
     #[default]
     Normal,
     Visual,
-    Insert,
     Command,
 }
 
@@ -18,7 +17,6 @@ impl<'lua> FromLua<'lua> for Mode {
             match value.as_str().unwrap().to_lowercase().as_ref() {
                 "normal" => Ok(Mode::Normal),
                 "visual" => Ok(Mode::Visual),
-                "insert" => Ok(Mode::Insert),
                 "command" => Ok(Mode::Command),
                 _ => Err(mlua::Error::runtime(
                     "mode needs to be 'normal', 'visual', 'insert' or 'command'",
@@ -40,7 +38,6 @@ impl<'lua> IntoLua<'lua> for Mode {
         match self {
             Mode::Normal => "normal",
             Mode::Visual => "visual",
-            Mode::Insert => "insert",
             Mode::Command => "command",
         }
         .into_lua(lua)