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Copy pathpreview.lua
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255 lines (221 loc) · 6.51 KB
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local config = require("java-deps.config")
local jd = require("java-deps")
local M = {}
local state = {
preview_buf = nil,
preview_win = nil,
hover_buf = nil,
hover_win = nil,
}
local function is_current_win_outline()
local curwin = vim.api.nvim_get_current_win()
return curwin == jd.view.winnr
end
local function has_code_win()
if jd.state.code_win == nil then
return false
end
local isWinValid = vim.api.nvim_win_is_valid(jd.state.code_win)
if not isWinValid then
return false
end
local bufnr = vim.api.nvim_win_get_buf(jd.state.code_win)
local isBufValid = vim.api.nvim_buf_is_valid(bufnr)
return isBufValid
end
local function get_offset()
local outline_winnr = jd.view.winnr
local width = 53
local height = 0
if config.has_numbers() then
width = width + 4
end
if config.options.position == "right" then
width = 0 - width
else
width = vim.api.nvim_win_get_width(outline_winnr) + 1
end
return { height, width }
end
local function get_height()
local uis = vim.api.nvim_list_uis()
return math.ceil(uis[1].height / 3)
end
local function get_hovered_node()
local hovered_line = vim.api.nvim_win_get_cursor(jd.view.winnr)[1]
local node = jd.state.flattened_outline_items[hovered_line]
return node
end
local function update_preview(code_buf)
code_buf = code_buf or vim.api.nvim_win_get_buf(jd.state.code_win)
local node = get_hovered_node()
if not node then
return
end
local lines = vim.api.nvim_buf_get_lines(code_buf, 0, -1, false)
if state.preview_buf ~= nil then
vim.api.nvim_buf_set_lines(state.preview_buf, 0, -1, 0, lines)
vim.api.nvim_win_set_cursor(state.preview_win, { node.line + 1, node.character })
end
end
local function setup_preview_buf()
local code_buf = vim.api.nvim_win_get_buf(jd.state.code_win)
local ft = vim.api.nvim_buf_get_option(code_buf, "filetype")
local function treesitter_attach()
local ts_highlight = require("nvim-treesitter.highlight")
ts_highlight.attach(state.preview_buf, ft)
end
-- user might not have tree sitter installed
pcall(treesitter_attach)
vim.api.nvim_buf_set_option(state.preview_buf, "syntax", ft)
vim.api.nvim_buf_set_option(state.preview_buf, "bufhidden", "delete")
vim.api.nvim_win_set_option(state.preview_win, "cursorline", true)
update_preview(code_buf)
end
local function get_hover_params(node, winnr)
local bufnr = vim.api.nvim_win_get_buf(winnr)
-- local uri = vim.uri_from_bufnr(bufnr)
return {
node = node,
bufnr = bufnr,
}
end
local function update_hover()
if not has_code_win() then
return
end
local node = get_hovered_node()
if not node then
return
end
local content
if node.metaData and node.metaData["maven.groupId"] then
content = "```xml\n<dependency>\n"
.. "\t<groupId>"
.. node.metaData["maven.groupId"]
.. "</groupId>\n"
.. "\t<artifactId>"
.. node.metaData["maven.artifactId"]
.. "</artifactId>\n"
.. "\t<version>"
.. node.metaData["maven.version"]
.. "</version>\n"
if node.metaData["maven.scope"] then
content = content .. "\t<scope>" .. node.metaData["maven.scope"] .. "</scope>\n"
end
if node.metaData["maven.optionaldependency"] then
content = content .. "\t<options>" .. node.metaData["maven.optionaldependency"] .. "</options>\n"
end
content = content .. "</dependency>\n```"
else
return
end
local mdstring = {
{ kind = "markdown", value = content },
{ kind = "markdown", value = "[" .. node.name .. "](" .. node.path .. ")" },
}
local markdown_lines = vim.lsp.util.convert_input_to_markdown_lines(mdstring)
markdown_lines = vim.lsp.util.trim_empty_lines(markdown_lines)
if vim.tbl_isempty(markdown_lines) then
markdown_lines = { "###No info available!" }
end
markdown_lines = vim.lsp.util.stylize_markdown(state.hover_buf, markdown_lines, {})
if state.hover_buf ~= nil then
vim.api.nvim_buf_set_lines(state.hover_buf, 0, -1, 0, markdown_lines)
end
end
local function setup_hover_buf()
if not has_code_win() then
return
end
-- local code_buf = vim.api.nvim_win_get_buf(jd.state.code_win)
-- local ft = vim.api.nvim_buf_get_option(code_buf, "filetype")
-- vim.api.nvim_buf_set_option(state.hover_buf, "syntax", "xml")
vim.api.nvim_buf_set_option(state.hover_buf, "bufhidden", "delete")
vim.api.nvim_win_set_option(state.hover_win, "wrap", true)
vim.api.nvim_win_set_option(state.hover_win, "cursorline", false)
update_hover()
end
local function set_bg_hl()
local winhi = "Normal:" .. config.options.preview_bg_highlight
-- vim.api.nvim_win_set_option(state.preview_win, "winhighlight", winhi)
vim.api.nvim_win_set_option(state.hover_win, "winhighlight", winhi)
local winblend = config.options.winblend
-- vim.api.nvim_win_set_option(state.preview_win, "winblend", winblend)
vim.api.nvim_win_set_option(state.hover_win, "winblend", winblend)
end
local function show_preview()
if state.preview_win == nil and state.preview_buf == nil then
state.preview_buf = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_attach(state.preview_buf, false, {
on_detach = function()
state.preview_buf = nil
state.preview_win = nil
end,
})
local offsets = get_offset()
state.preview_win = vim.api.nvim_open_win(state.preview_buf, false, {
relative = "win",
width = 50,
height = get_height(),
bufpos = { 0, 0 },
row = offsets[1],
col = offsets[2],
border = config.options.border,
})
setup_preview_buf()
else
update_preview()
end
end
local function show_hover()
if state.hover_win == nil and state.hover_buf == nil then
state.hover_buf = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_attach(state.hover_buf, false, {
on_detach = function()
state.hover_buf = nil
state.hover_win = nil
end,
})
local offsets = get_offset()
local height = get_height()
state.hover_win = vim.api.nvim_open_win(state.hover_buf, false, {
relative = "win",
width = 50,
height = height,
bufpos = { 0, 0 },
row = offsets[1] + height + 2,
col = offsets[2],
border = config.options.border,
})
setup_hover_buf()
else
update_hover()
end
end
function M.show()
if not is_current_win_outline() or #vim.api.nvim_list_wins() < 2 then
return
end
-- show_preview()
show_hover()
set_bg_hl()
end
function M.close()
if has_code_win() then
if state.preview_win ~= nil and vim.api.nvim_win_is_valid(state.preview_win) then
vim.api.nvim_win_close(state.preview_win, true)
end
if state.hover_win ~= nil and vim.api.nvim_win_is_valid(state.hover_win) then
vim.api.nvim_win_close(state.hover_win, true)
end
end
end
function M.toggle()
if state.preview_win ~= nil then
M.close()
else
M.show()
end
end
return M