From c866d90c881e38ad1805ab62be5f4ad8b5784996 Mon Sep 17 00:00:00 2001
From: Martin Larsson <larssonmartin1998@gmail.com>
Date: Sat, 25 May 2024 02:15:43 +0200
Subject: [PATCH] Change so that oil nvim opens as a static window to the left
 of the terminal, much like a typical solution explorer

---
 home/.config/nvim/lua/plugs/oil.lua | 48 +++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 3 deletions(-)

diff --git a/home/.config/nvim/lua/plugs/oil.lua b/home/.config/nvim/lua/plugs/oil.lua
index 0255fa6..18dcfba 100644
--- a/home/.config/nvim/lua/plugs/oil.lua
+++ b/home/.config/nvim/lua/plugs/oil.lua
@@ -1,15 +1,57 @@
+local function get_oil_bufnr()
+    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
+        if vim.bo[buf].filetype == "oil" then
+            return buf
+        end
+    end
+
+    return nil
+end
+
 return {
     "stevearc/oil.nvim",
     config = function()
         local oil = require("oil")
-        oil.setup()
+        oil.setup({
+            view_options = {
+                show_hidden = true,
+            },
+            win_options = {
+                wrap = true,
+                signcolumn = "no",
+                cursorcolumn = false,
+                foldcolumn = "0",
+                spell = false,
+                list = false,
+                conceallevel = 3,
+                concealcursor = "nvic",
+            },
+        })
 
         require("utils").add_keymaps({
             n = {
                 ["<leader>o"] = {
                     cmd = function()
-                        oil.toggle_float(vim.fn.getcwd())
-                    end,
+                        local oil_bufnr = get_oil_bufnr()
+                        if oil_bufnr then
+                            vim.api.nvim_buf_delete(oil_bufnr, { force = true })
+                            return
+                        end
+
+                        -- Calculate the desired width (e.g., 20% of the terminal width)
+                        local term_width = vim.api.nvim_get_option("columns")
+                        local width_percentage = 0.175
+                        local min_width = 30
+                        local max_width = 50
+                        local calculated_width = math.floor(term_width * width_percentage)
+                        local final_width = math.min(math.max(calculated_width, min_width), max_width)
+
+                        -- Open a vertical split with the calculated width on the left and open oil.nvim
+                        vim.cmd("topleft vertical " .. final_width .. "vnew")
+                        local win_id = vim.api.nvim_get_current_win()
+                        vim.api.nvim_win_set_option(win_id, "winfixwidth", true)
+                        oil.open()
+                    end
                 }
             }
         })