Merge pull request #121 from chekoopa/cv-confirm

add CloseConfirmX

1 files changed, 54 insertions, 0 deletions

diff --git a/plugins/closeconfirmx.lua b/plugins/closeconfirmx.lua
new file mode 100644
index 0000000..805fe3b
--- /dev/null
+++ b/plugins/closeconfirmx.lua
@@ -0,0 +1,54 @@
+-- CloseConfirmX plugin for lite text editor
+-- implementation by chekoopa
+
+local core = require "core"
+local config = require "core.config"
+
+config.closeconfirmx_use_legacy = false
+config.closeconfirmx_use_short_name = true
+
+local legacy_confirm = core.confirm_close_all
+
+local function commandful_confirm()
+  local dirty_count = 0
+  local dirty_name
+  for _, doc in ipairs(core.docs) do
+    if doc:is_dirty() then
+      dirty_count = dirty_count + 1
+      dirty_name = doc:get_name()
+    end
+  end
+  if dirty_count > 0 then
+    local text
+    if dirty_count == 1 then
+      if config.closeconfirmx_use_short_name then
+         dirty_name = dirty_name:match("[^/%\\]*$")
+      end
+      text = string.format("Unsaved changes in \"%s\"; Confirm Exit", dirty_name)
+    else
+      text = string.format("Unsaved changes in %d docs; Confirm Exit", dirty_count)
+    end
+    core.command_view:enter(text, function(_, item)
+      if item.text:match("^[cC]") then
+        core.quit(true)
+      end
+    end, function(text)
+      local items = {}
+      if not text:find("^[^sS]") then table.insert(items, "Stay here") end
+      if not text:find("^[^cC]") then table.insert(items, "Close Without Saving") end
+      return items
+    end)
+    -- as we delegate a choice inside the callback,
+    return false
+  end
+  return true
+end
+
+function core.confirm_close_all()
+  if config.closeconfirmx_use_legacy then
+    return legacy_confirm()
+  else
+    return commandful_confirm()
+  end
+end
+