Add smartopenselected plugin (#176)

Try to open the selection as a filename or path in the project.
Path separators are used to replace ".", so import path can also be found.

Co-authored-by: Eric Gaudet <egaudet@thefind.com>

2 files changed, 55 insertions, 0 deletions

diff --git a/manifest.json b/manifest.json
index 1b5697d..b8c0480 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1121,6 +1121,13 @@
       "mod_version": "3"
     },
     {
+      "description": "Opens the selected filename or path in project. Useful to open imports.",
+      "version": "0.1",
+      "path": "plugins/smartopenselected.lua",
+      "id": "smartopenselected",
+      "mod_version": "3"
+    },
+    {
       "description": "Smooth caret animation *([gif](https://user-images.githubusercontent.com/20792268/139006049-a0ba6559-88cb-49a7-8077-4822445b4a1f.gif))*",
       "version": "0.1",
       "path": "plugins/smoothcaret.lua",
diff --git a/plugins/smartopenselected.lua b/plugins/smartopenselected.lua
new file mode 100644
index 0000000..dfdb96d
--- /dev/null
+++ b/plugins/smartopenselected.lua
@@ -0,0 +1,48 @@
+-- mod-version:3
+local core = require "core"
+local command = require "core.command"
+local keymap = require "core.keymap"
+local common = require "core.common"
+local contextmenu = require "plugins.contextmenu"
+
+
+command.add("core.docview!", {
+  ["smart-open-selected:smart-open-selected"] = function(dv)
+    local doc = dv.doc
+    if not doc:has_selection() then
+      core.error("No text selected")
+      return
+    end
+
+    local text_orig = doc:get_text(doc:get_selection())
+    text_orig = text_orig:match( "^%s*(.-)%s*$" )
+    
+    -- transform java/python imports to paths
+    local text_path, num = text_orig:gsub("[.]", PATHSEP)
+    
+    -- keep the last . in case the path contains a file extension
+    local text_keep_extension, num = text_orig:gsub("[.]", PATHSEP, num - 1)
+
+    -- trim whitespace from the ends
+
+    for dir, item in core.get_project_files() do
+      if item.type == "file" and (
+         string.find(item.filename, text_orig)
+         or string.find(item.filename, text_path)
+         or string.find(item.filename, text_keep_extension)
+      ) then
+        local path = (dir == core.project_dir and "" or dir .. PATHSEP)
+        local filepath = common.home_encode(path .. item.filename)
+        core.root_view:open_doc(core.open_doc(common.home_expand(filepath)))
+      end
+    end
+  end,
+})
+
+
+contextmenu:register("core.docview", {
+  { text = "Smart Open Selection",  command = "smart-open-selected:smart-open-selected" }
+})
+
+
+keymap.add { ["ctrl+shift+alt+p"] = "smart-open-selected:smart-open-selected" }