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local pickers = require("telescope.pickers")
local finders = require("telescope.finders")
local previewers = require("telescope.previewers")
local conf = require("telescope.config").values
local actions = require("telescope.actions")
local action_set = require("telescope.actions.set")
local action_state = require("telescope.actions.state")
local misc = require('core.misc')
local M = {}
function M.switcher()
local bufnr = vim.api.nvim_get_current_buf()
-- show current buffer content in previewer
local colors = vim.fn.getcompletion('', 'color')
for k, v in pairs(colors) do
if v.find(v, '.ext') then
table.remove(colors, k)
break
end
end
-- our picker function: colors
pickers.new({
prompt_title = "Set Nvim Colorscheme",
finder = finders.new_table { results = colors },
sorter = conf.generic_sorter(),
previewer = previewers.new_buffer_previewer {
define_preview = function(self, entry)
-- add content
local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
vim.api.nvim_buf_set_lines(self.state.bufnr, 0, -1, false, lines)
-- add syntax highlighting in previewer
local ft = (vim.filetype.match { buf = bufnr } or "diff"):match "%w+"
require("telescope.previewers.utils").highlighter(self.state.bufnr, ft)
end
},
attach_mappings = function(prompt_bufnr, map)
-- reload theme while typing
vim.schedule(function()
vim.api.nvim_create_autocmd("TextChangedI", {
buffer = prompt_bufnr,
callback = function()
if action_state.get_selected_entry() then
misc.colorscheme(action_state.get_selected_entry()[1])
end
end,
})
end)
-- reload theme on cycling
actions.move_selection_previous:replace(function()
action_set.shift_selection(prompt_bufnr, -1)
misc.colorscheme(action_state.get_selected_entry()[1])
end)
actions.move_selection_next:replace(function()
action_set.shift_selection(prompt_bufnr, 1)
misc.colorscheme(action_state.get_selected_entry()[1])
end)
-- reload theme on selection
actions.select_default:replace(function()
if action_state.get_selected_entry() then
actions.close(prompt_bufnr)
misc.colorscheme(action_state.get_selected_entry()[1])
-- make the colorscheme swap persistant
misc.replaceword("misc.colorscheme%(.+%)",
"misc.colorscheme('"..action_state.get_selected_entry()[1].."')")
end
end)
return true
end,
}):find()
end
return M
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