From 63331ac50c3ce89a9e6cb6983c437c62934e1c77 Mon Sep 17 00:00:00 2001
From: Francesco Abbate <francesco.bbt@gmail.com>
Date: Mon, 28 Dec 2020 16:18:03 +0100
Subject: [PATCH] Add command to create a directory in a new category "files"

Use the alt + (left click) is tree view to create a directory and
shift + (middle click) to remove a project directory.
---
 data/core/command.lua        |  2 +-
 data/core/commands/files.lua | 13 +++++++++++++
 data/plugins/treeview.lua    | 19 ++++++++++++++++++-
 3 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 data/core/commands/files.lua

diff --git a/data/core/command.lua b/data/core/command.lua
index 5164a13a..513e0701 100644
--- a/data/core/command.lua
+++ b/data/core/command.lua
@@ -59,7 +59,7 @@ end
 
 
 function command.add_defaults()
-  local reg = { "core", "root", "command", "doc", "findreplace" }
+  local reg = { "core", "root", "command", "doc", "findreplace", "files" }
   for _, name in ipairs(reg) do
     require("core.commands." .. name)
   end
diff --git a/data/core/commands/files.lua b/data/core/commands/files.lua
new file mode 100644
index 00000000..a0106f47
--- /dev/null
+++ b/data/core/commands/files.lua
@@ -0,0 +1,13 @@
+local core = require "core"
+local command = require "core.command"
+
+command.add(nil, {
+  ["files:create-directory"] = function()
+    core.command_view:enter("New directory name", function(text)
+      local success, err = system.mkdir(text)
+      if not success then
+        core.error("cannot create directory %q: %s", text, err)
+      end
+    end)
+  end,
+})
diff --git a/data/plugins/treeview.lua b/data/plugins/treeview.lua
index bd95cc79..a681f4ab 100644
--- a/data/plugins/treeview.lua
+++ b/data/plugins/treeview.lua
@@ -137,12 +137,29 @@ function TreeView:on_mouse_moved(px, py)
 end
 
 
+local function create_directory_in(item)
+  local path = item.abs_filename
+  local basename = path:match("[^\\/]+$")
+  core.command_view:enter("Create directory in " .. basename, function(text)
+    local dirname = path .. PATHSEP .. text
+    local success, err = system.mkdir(dirname)
+    if not success then
+      core.error("cannot create directory %q: %s", dirname, err)
+    end
+    item.expanded = true
+    core.request_project_scan()
+  end)
+end
+
+
 function TreeView:on_mouse_pressed(button, x, y)
   if not self.hovered_item then
     return
   elseif self.hovered_item.type == "dir" then
-    if button == "middle" and self.hovered_item.depth == 0 then
+    if keymap.modkeys["shift"] and button == "middle" and self.hovered_item.depth == 0 then
       core.remove_project_directory(self.hovered_item.abs_filename)
+    elseif keymap.modkeys["alt"] and button == "left" then
+      create_directory_in(self.hovered_item)
     else
       self.hovered_item.expanded = not self.hovered_item.expanded
     end