Feat: Add possibility to move elements up and down

[zbindenren]

I am not sure if this is possible, but it would be great for refactoring, to navigate a buffer with navbuddy and move functions, structs etc. up and down.

[SmiteshP]

This is a very interesting idea!! This should definitely be possible to do. Although this might be a little tricky to implement, I can see there being lots of corners cases to be handled. Will definitely try it though

[SmiteshP]

Added the move up and down actions. Although I implemented it only for nodes on different lines with no overlaps in lines. I am still pleased with how it works right now.

[SmiteshP]

Had tried adding code to move the comments (above the node) as well with the node, but had trouble writting code to consistently identify comments lines. If any one has any ideas about this do let me know.

This was the best attempt I had made using Comment.nvim to detect if entire line above the node is comment or not

local utils = require("Comment.utils")
local config = require("Comment.config")

local function isComment()
    local lcs, rcs = utils.parse_cstr(config:get(), {
        ctype = utils.ctype.linewise,
        -- ctype = utils.ctype.blockwise,
        cmode = utils.cmode.uncomment,
        cmotion = utils.cmotion.line,
        range = {
            srow = 0,
            scol = 0,
            erow = 0,
            ecol = 1
        }
    })

    local check_comment = utils.is_commented(lcs, rcs, config:get().padding)

       -- This is comment
    local row, _ = unpack(vim.api.nvim_win_get_cursor(0))
    local lines = vim.api.nvim_buf_get_lines(0, row-1, row, false)
    print(check_comment(lines[1]))
end

[zbindenren]

Added the move up and down actions. Although I implemented it only for nodes on different lines with no overlaps in lines. I am still pleased with how it works right now.

Feature is working for me, so I am closing issue.

THX.