Merge pull request #1 from tiziw/patch-2

Patch 2

README.md

@@ -33,6 +33,7 @@ Plugin | Description
 [`language_batch`](plugins/language_batch.lua?raw=1) | Syntax for Windows [Batch Files](https://en.wikipedia.org/wiki/Batch_file)
 [`language_cpp`](plugins/language_cpp.lua?raw=1) | Syntax for the [C++](https://isocpp.org/) programming language
 [`language_csharp`](plugins/language_csharp.lua?raw=1) | Syntax for the [C#](http://csharp.net) programming language
+[`language_java`](plugins/language_java.lua?raw=1) | Syntax for the [Java](https://en.wikipedia.org/wiki/Java_(programming_language)) programming language
 [`language_d`](plugins/language_d.lua?raw=1) | Syntax for the [D](https://dlang.org/) programming language
 [`language_fe`](plugins/language_fe.lua?raw=1) | Syntax for the [fe](https://github.com/rxi/fe) programming language
 [`language_fennel`](plugins/language_fennel.lua?raw=1) | Syntax for the [fennel](https://fennel-lang.org) programming language

plugins/autoinsert.lua

@@ -1,4 +1,5 @@
 local core = require "core"
+local translate = require "core.doc.translate"
 local config = require "core.config"
 local DocView = require "core.docview"
 local command = require "core.command"
@@ -60,7 +61,13 @@ function DocView:on_text_input(text)
 end
 
 
-command.add("core.docview", {
+
+local function predicate()
+  return getmetatable(core.active_view) == DocView
+     and not core.active_view.doc:has_selection()
+end
+
+command.add(predicate, {
   ["autoinsert:backspace"] = function()
     local doc = core.active_view.doc
     local l, c = doc:get_selection()
@@ -70,6 +77,22 @@ command.add("core.docview", {
     end
     command.perform "doc:backspace"
   end,
+
+  ["autoinsert:delete-to-previous-word-start"] = function()
+    local doc = core.active_view.doc
+    local le, ce = translate.previous_word_start(doc, doc:get_selection())
+    while true do
+      local l, c = doc:get_selection()
+      if l == le and c == ce then
+        break
+      end
+      command.perform "autoinsert:backspace"
+    end
+  end,
 })
 
-keymap.add { ["backspace"] = "autoinsert:backspace" }
+keymap.add {
+  ["backspace"]            = "autoinsert:backspace",
+  ["ctrl+backspace"]       = "autoinsert:delete-to-previous-word-start",
+  ["ctrl+shift+backspace"] = "autoinsert:delete-to-previous-word-start",
+}

plugins/workspace.lua

@@ -41,6 +41,7 @@ local function save_view(view)
   if mt == DocView then
     return {
       type = "doc",
+      active = (core.active_view == view),
       filename = view.doc.filename,
       selection = { view.doc:get_selection() },
       scroll = { x = view.scroll.to.x, y = view.scroll.to.y },
@@ -49,7 +50,11 @@ local function save_view(view)
   end
   for name, mod in pairs(package.loaded) do
     if mod == mt then
-      return { type = "view", module = name }
+      return {
+        type = "view",
+        active = (core.active_view == view),
+        module = name
+      }
     end
   end
 end
@@ -98,17 +103,22 @@ end
 
 local function load_node(node, t)
   if t.type == "leaf" then
+    local res
     for _, v in ipairs(t.views) do
-      node:add_view(load_view(v))
+      local view = load_view(v)
+      if v.active then res = view end
+      node:add_view(view)
     end
     if t.active_view then
       node:set_active_view(node.views[t.active_view])
     end
+    return res
   else
     node:split(t.type == "hsplit" and "right" or "down")
     node.divider = t.divider
-    load_node(node.a, t.a)
-    load_node(node.b, t.b)
+    local res1 = load_node(node.a, t.a)
+    local res2 = load_node(node.b, t.b)
+    return res1 or res2
   end
 end
 
@@ -126,7 +136,10 @@ local function load_workspace()
   os.remove(workspace_filename)
   if ok then
     local root = get_unlocked_root(core.root_view.root_node)
-    load_node(root, t)
+    local active_view = load_node(root, t)
+    if active_view then
+      core.set_active_view(active_view)
+    end
   end
 end