Text editor: rotate (#12658)

plugins/texteditor.koplugin/main.lua

@@ -1,4 +1,5 @@
 local BD = require("ui/bidi")
+local ButtonDialog = require("ui/widget/buttondialog")
 local ConfirmBox = require("ui/widget/confirmbox")
 local DataStorage = require("datastorage")
 local Dispatcher = require("dispatcher")
@@ -438,7 +439,7 @@ function TextEditor:checkEditFile(file_path, from_history, possibly_new_file)
         -- No need to warn if readonly, the user will know it when we open
         -- without keyboard and the Save button says "Read only".
         local readonly = true
-        local file = io.open(file_path, 'r+b')
+        local file = io.open(file_path, "r+b")
         if file then
             file:close()
             readonly = false
@@ -474,18 +475,6 @@ function TextEditor:checkEditFile(file_path, from_history, possibly_new_file)
     end
 end
 
-function TextEditor:readFileContent(file_path)
-    local file = io.open(file_path, "rb")
-    if not file then
-        -- We checked file existence before, so assume it's
-        -- because it's a new file
-        return ""
-    end
-    local file_content = file:read("*all")
-    file:close()
-    return file_content
-end
-
 function TextEditor:saveFileContent(file_path, content)
     local ok, err = util.writeToFile(content, file_path)
     if ok then
@@ -514,7 +503,6 @@ function TextEditor:editFile(file_path, readonly)
     local directory, filename = util.splitFilePathName(file_path) -- luacheck: no unused
     local filename_without_suffix, filetype = util.splitFileNameSuffix(filename) -- luacheck: no unused
     local is_lua = filetype:lower() == "lua"
-    local input
     local para_direction_rtl = nil -- use UI language direction
     if self.force_ltr_para_direction then
         para_direction_rtl = false -- force LTR
@@ -524,7 +512,7 @@ function TextEditor:editFile(file_path, readonly)
         table.insert(buttons_first_row, {
             text = _("Lua check"),
             callback = function()
-                local parse_error = util.checkLuaSyntax(input:getInputText())
+                local parse_error = util.checkLuaSyntax(self.input:getInputText())
                 if parse_error then
                     UIManager:show(InfoMessage:new{
                         text = T(_("Lua syntax check failed:\n\n%1"), parse_error)
@@ -542,16 +530,16 @@ function TextEditor:editFile(file_path, readonly)
             text = _("QR"),
             callback = function()
                 UIManager:show(QRMessage:new{
-                    text = input:getInputText(),
+                    text = self.input:getInputText(),
                     height = Screen:getHeight(),
                     width = Screen:getWidth()
                 })
             end,
         })
     end
-    input = InputDialog:new{
+    self.input = InputDialog:new{
         title =  filename,
-        input = self:readFileContent(file_path),
+        input = util.readFromFile(file_path, "rb"),
         input_face = Font:getFace(self.font_face, self.font_size),
         para_direction_rtl = para_direction_rtl,
         auto_para_direction = self.auto_para_direction,
@@ -561,6 +549,9 @@ function TextEditor:editFile(file_path, readonly)
         cursor_at_end = false,
         readonly = readonly,
         add_nav_bar = true,
+        title_bar_left_icon = "appbar.menu",
+        title_bar_left_icon_tap_callback = function() self:showMenu() end,
+        rotation_enabled = true,
         keyboard_visible = self.show_keyboard_on_start, -- InputDialog will enforce false if readonly
         scroll_by_pan = true,
         buttons = {buttons_first_row},
@@ -580,10 +571,13 @@ function TextEditor:editFile(file_path, readonly)
         end,
         -- File restoring callback
         reset_callback = function(content) -- Will add a Reset button
-            return self:readFileContent(file_path), _("Text reset to last saved content")
+            return util.readFromFile(file_path, "rb") or "", _("Text reset to last saved content")
         end,
         -- Close callback
         close_callback = function()
+            if self.input.rotation_mode_backup and self.input.rotation_mode_backup ~= Screen:getRotationMode() then
+                Screen:setRotationMode(self.input.rotation_mode_backup)
+            end
             self:execWhenDoneFunc()
         end,
         -- File saving callback
@@ -656,9 +650,9 @@ Do you want to keep this file as empty, or do you prefer to delete it?
         end,
 
     }
-    UIManager:show(input)
+    UIManager:show(self.input)
     if self.show_keyboard_on_start and not readonly then
-        input:onShowKeyboard()
+        self.input:onShowKeyboard()
     end
     -- Note about readonly:
     -- We might have liked to still show keyboard even if readonly, just
@@ -688,4 +682,32 @@ function TextEditor:quickEditFile(file_path, done_callback, possible_new_file)
     self:checkEditFile(file_path, possible_new_file or false)
 end
 
+-- TitleBar left button tap
+function TextEditor:showMenu()
+    local dialog
+    local buttons = {}
+    local optionsutil = require("ui/data/optionsutil")
+    for i, mode in ipairs(optionsutil.rotation_modes) do
+        buttons[i] = {{
+            text = optionsutil.rotation_labels[i],
+            enabled_func = function()
+                return optionsutil.rotation_modes[i] ~= Screen:getRotationMode()
+            end,
+            callback = function()
+                UIManager:close(dialog)
+                self.input:onSetRotationMode(optionsutil.rotation_modes[i])
+            end,
+        }}
+    end
+    dialog = ButtonDialog:new{
+        shrink_unneeded_width = true,
+        buttons = buttons,
+        anchor = function()
+            return self.input.title_bar.left_button.image.dimen
+        end,
+        modal = true,
+    }
+    UIManager:show(dialog)
+end
+
 return TextEditor