377 lines
10 KiB
Lua
377 lines
10 KiB
Lua
-- mod-version:1 -- lite-xl 1.16
|
|
local core = require "core"
|
|
local common = require "core.common"
|
|
local command = require "core.command"
|
|
local config = require "core.config"
|
|
local keymap = require "core.keymap"
|
|
local style = require "core.style"
|
|
local View = require "core.view"
|
|
|
|
local default_treeview_size = 200 * SCALE
|
|
local tooltip_offset = style.font:get_height("A")
|
|
local tooltip_border = 1
|
|
local tooltip_delay = 0.5
|
|
local tooltip_alpha = 255
|
|
local tooltip_alpha_rate = 1
|
|
|
|
|
|
local function get_depth(filename)
|
|
local n = 1
|
|
for sep in filename:gmatch("[\\/]") do
|
|
n = n + 1
|
|
end
|
|
return n
|
|
end
|
|
|
|
local function replace_alpha(color, alpha)
|
|
local r, g, b = table.unpack(color)
|
|
return { r, g, b, alpha }
|
|
end
|
|
|
|
|
|
local TreeView = View:extend()
|
|
|
|
function TreeView:new()
|
|
TreeView.super.new(self)
|
|
self.scrollable = true
|
|
self.visible = true
|
|
self.init_size = true
|
|
self.target_size = default_treeview_size
|
|
self.cache = {}
|
|
self.last = {}
|
|
self.tooltip = { x = 0, y = 0, begin = 0, alpha = 0 }
|
|
end
|
|
|
|
|
|
function TreeView:set_target_size(axis, value)
|
|
if axis == "x" then
|
|
self.target_size = value
|
|
return true
|
|
end
|
|
end
|
|
|
|
|
|
function TreeView:get_cached(item, dirname)
|
|
local dir_cache = self.cache[dirname]
|
|
if not dir_cache then
|
|
dir_cache = {}
|
|
self.cache[dirname] = dir_cache
|
|
end
|
|
-- to discriminate top directories from regular files or subdirectories
|
|
-- we add ':' at the end of the top directories' filename. it will be
|
|
-- used only to identify the entry into the cache.
|
|
local cache_name = item.filename .. (item.topdir and ":" or "")
|
|
local t = dir_cache[cache_name]
|
|
if not t then
|
|
t = {}
|
|
if item.type == 'file' and item.topdir then
|
|
t.filename = item.filename
|
|
t.depth = 0
|
|
t.abs_filename = dirname
|
|
t.name = item.filename
|
|
t.type = item.type
|
|
else
|
|
local basename = common.basename(item.filename)
|
|
if item.topdir then
|
|
t.filename = basename
|
|
t.expanded = true
|
|
t.depth = 0
|
|
t.abs_filename = dirname
|
|
else
|
|
t.filename = item.filename
|
|
t.depth = get_depth(item.filename)
|
|
t.abs_filename = dirname .. PATHSEP .. item.filename
|
|
end
|
|
t.name = basename
|
|
t.type = item.type
|
|
end
|
|
dir_cache[cache_name] = t
|
|
end
|
|
return t
|
|
end
|
|
|
|
|
|
function TreeView:get_name()
|
|
return "Project"
|
|
end
|
|
|
|
|
|
function TreeView:get_item_height()
|
|
return style.font:get_height() + style.padding.y
|
|
end
|
|
|
|
|
|
function TreeView:invalidate_cache(dirname)
|
|
for _, v in pairs(self.cache[dirname]) do
|
|
v.skip = nil
|
|
end
|
|
end
|
|
|
|
|
|
function TreeView:check_cache()
|
|
-- invalidate cache's skip values if project_files has changed
|
|
for i = 1, #core.project_entries do
|
|
local dir = core.project_entries[i]
|
|
local last_files = self.last[dir.name]
|
|
if not last_files then
|
|
self.last[dir.name] = dir.files
|
|
else
|
|
if dir.files ~= last_files then
|
|
self:invalidate_cache(dir.name)
|
|
self.last[dir.name] = dir.files
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
function TreeView:each_item()
|
|
return coroutine.wrap(function()
|
|
self:check_cache()
|
|
local count_lines = 0
|
|
local ox, oy = self:get_content_offset()
|
|
local y = oy + style.padding.y
|
|
local w = self.size.x
|
|
local h = self:get_item_height()
|
|
|
|
for k = 1, #core.project_entries do
|
|
local dir = core.project_entries[k]
|
|
local dir_cached = self:get_cached(dir.item, dir.name)
|
|
coroutine.yield(dir_cached, ox, y, w, h)
|
|
count_lines = count_lines + 1
|
|
y = y + h
|
|
local i = 1
|
|
while i <= #dir.files and dir_cached.expanded do
|
|
local item = dir.files[i]
|
|
local cached = self:get_cached(item, dir.name)
|
|
|
|
coroutine.yield(cached, ox, y, w, h)
|
|
count_lines = count_lines + 1
|
|
y = y + h
|
|
i = i + 1
|
|
|
|
if not cached.expanded then
|
|
if cached.skip then
|
|
i = cached.skip
|
|
else
|
|
local depth = cached.depth
|
|
while i <= #dir.files do
|
|
if get_depth(dir.files[i].filename) <= depth then break end
|
|
i = i + 1
|
|
end
|
|
cached.skip = i
|
|
end
|
|
end
|
|
end -- while files
|
|
end -- for directories
|
|
self.count_lines = count_lines
|
|
end)
|
|
end
|
|
|
|
|
|
function TreeView:get_text_bounding_box(item, x, y, w, h)
|
|
local icon_width = style.icon_font:get_width("D")
|
|
local xoffset = item.depth * style.padding.x + style.padding.x + icon_width
|
|
x = x + xoffset
|
|
w = style.font:get_width(item.name) + 2 * style.padding.x
|
|
return x, y, w, h
|
|
end
|
|
|
|
|
|
function TreeView:on_mouse_moved(px, py, ...)
|
|
TreeView.super.on_mouse_moved(self, px, py, ...)
|
|
if self.dragging_scrollbar then return end
|
|
|
|
local item_changed, tooltip_changed
|
|
for item, x,y,w,h in self:each_item() do
|
|
if px > x and py > y and px <= x + w and py <= y + h then
|
|
item_changed = true
|
|
self.hovered_item = item
|
|
|
|
x,y,w,h = self:get_text_bounding_box(item, x,y,w,h)
|
|
if px > x and py > y and px <= x + w and py <= y + h then
|
|
tooltip_changed = true
|
|
self.tooltip.x, self.tooltip.y = px, py
|
|
self.tooltip.begin = system.get_time()
|
|
end
|
|
break
|
|
end
|
|
end
|
|
if not item_changed then self.hovered_item = nil end
|
|
if not tooltip_changed then self.tooltip.x, self.tooltip.y = nil, nil end
|
|
end
|
|
|
|
|
|
local function create_directory_in(item)
|
|
local path = item.abs_filename
|
|
core.command_view:enter("Create directory in " .. path, function(text)
|
|
local dirname = path .. PATHSEP .. text
|
|
local success, err = system.mkdir(dirname)
|
|
if not success then
|
|
core.error("cannot create directory %q: %s", dirname, err)
|
|
end
|
|
item.expanded = true
|
|
core.reschedule_project_scan()
|
|
end)
|
|
end
|
|
|
|
|
|
function TreeView:on_mouse_pressed(button, x, y, clicks)
|
|
local caught = TreeView.super.on_mouse_pressed(self, button, x, y, clicks)
|
|
if caught then
|
|
return
|
|
end
|
|
local hovered_item = self.hovered_item
|
|
if not hovered_item then
|
|
return
|
|
elseif hovered_item.type == "dir" then
|
|
if keymap.modkeys["ctrl"] and button == "left" then
|
|
create_directory_in(hovered_item)
|
|
else
|
|
if core.project_files_limit and not hovered_item.expanded then
|
|
local filename, abs_filename = hovered_item.filename, hovered_item.abs_filename
|
|
local index = string.find(abs_filename, filename, 1, true)
|
|
local dirname = string.sub(abs_filename, 1, index - 2)
|
|
core.scan_project_folder(dirname, filename)
|
|
self:invalidate_cache(dirname)
|
|
end
|
|
hovered_item.expanded = not hovered_item.expanded
|
|
end
|
|
else
|
|
core.try(function()
|
|
local doc_filename = self.hovered_item.abs_filename
|
|
core.root_view:open_doc(core.open_doc(doc_filename))
|
|
end)
|
|
end
|
|
end
|
|
|
|
|
|
function TreeView:update()
|
|
-- update width
|
|
local dest = self.visible and self.target_size or 0
|
|
if self.init_size then
|
|
self.size.x = dest
|
|
self.init_size = false
|
|
else
|
|
self:move_towards(self.size, "x", dest)
|
|
end
|
|
|
|
local duration = system.get_time() - self.tooltip.begin
|
|
if self.hovered_item and self.tooltip.x and duration > tooltip_delay then
|
|
self:move_towards(self.tooltip, "alpha", tooltip_alpha, tooltip_alpha_rate)
|
|
else
|
|
self.tooltip.alpha = 0
|
|
end
|
|
|
|
TreeView.super.update(self)
|
|
end
|
|
|
|
|
|
function TreeView:get_scrollable_size()
|
|
return self.count_lines and self:get_item_height() * (self.count_lines + 1) or math.huge
|
|
end
|
|
|
|
|
|
function TreeView:draw_tooltip()
|
|
local text = common.home_encode(self.hovered_item.abs_filename)
|
|
local w, h = style.font:get_width(text), style.font:get_height(text)
|
|
|
|
local x, y = self.tooltip.x + tooltip_offset, self.tooltip.y + tooltip_offset
|
|
w, h = w + style.padding.x, h + style.padding.y
|
|
|
|
if x + w > core.root_view.root_node.size.x then -- check if we can span right
|
|
x = x - w -- span left instead
|
|
end
|
|
|
|
local bx, by = x - tooltip_border, y - tooltip_border
|
|
local bw, bh = w + 2 * tooltip_border, h + 2 * tooltip_border
|
|
renderer.draw_rect(bx, by, bw, bh, replace_alpha(style.text, self.tooltip.alpha))
|
|
renderer.draw_rect(x, y, w, h, replace_alpha(style.background2, self.tooltip.alpha))
|
|
common.draw_text(style.font, replace_alpha(style.text, self.tooltip.alpha), text, "center", x, y, w, h)
|
|
end
|
|
|
|
|
|
function TreeView:draw()
|
|
self:draw_background(style.background2)
|
|
|
|
local icon_width = style.icon_font:get_width("D")
|
|
local spacing = style.icon_font:get_width("f") / 2
|
|
|
|
local doc = core.active_view.doc
|
|
local active_filename = doc and system.absolute_path(doc.filename or "")
|
|
|
|
for item, x,y,w,h in self:each_item() do
|
|
local color = style.text
|
|
|
|
-- highlight active_view doc
|
|
if item.abs_filename == active_filename then
|
|
color = style.accent
|
|
end
|
|
|
|
-- hovered item background
|
|
if item == self.hovered_item then
|
|
renderer.draw_rect(x, y, w, h, style.line_highlight)
|
|
color = style.accent
|
|
end
|
|
|
|
-- icons
|
|
x = x + item.depth * style.padding.x + style.padding.x
|
|
if item.type == "dir" then
|
|
local icon1 = item.expanded and "-" or "+"
|
|
local icon2 = item.expanded and "D" or "d"
|
|
common.draw_text(style.icon_font, color, icon1, nil, x, y, 0, h)
|
|
x = x + style.padding.x
|
|
common.draw_text(style.icon_font, color, icon2, nil, x, y, 0, h)
|
|
x = x + icon_width
|
|
else
|
|
x = x + style.padding.x
|
|
common.draw_text(style.icon_font, color, "f", nil, x, y, 0, h)
|
|
x = x + icon_width
|
|
end
|
|
|
|
-- text
|
|
x = x + spacing
|
|
x = common.draw_text(style.font, color, item.name, nil, x, y, 0, h)
|
|
end
|
|
|
|
self:draw_scrollbar()
|
|
if self.hovered_item and self.tooltip.alpha > 0 then
|
|
core.root_view:defer_draw(self.draw_tooltip, self)
|
|
end
|
|
end
|
|
|
|
|
|
-- init
|
|
local view = TreeView()
|
|
local node = core.root_view:get_active_node()
|
|
local treeview_node = node:split("left", view, {x = true}, true)
|
|
|
|
-- The toolbarview plugin is special because it is plugged inside
|
|
-- a treeview pane which is itelf provided in a plugin.
|
|
-- We therefore break the usual plugin's logic that would require each
|
|
-- plugin to be independent of each other. In addition it is not the
|
|
-- plugin module that plug itself in the active node but it is plugged here
|
|
-- in the treeview node.
|
|
local toolbar_plugin, ToolbarView = core.try(require, "plugins.toolbarview")
|
|
if config.toolbarview ~= false and toolbar_plugin then
|
|
local toolbar_view = ToolbarView()
|
|
treeview_node:split("down", toolbar_view, {y = true})
|
|
local min_toolbar_width = toolbar_view:get_min_width()
|
|
view:set_target_size("x", math.max(default_treeview_size, min_toolbar_width))
|
|
command.add(nil, {
|
|
["toolbar:toggle"] = function()
|
|
toolbar_view:toggle_visible()
|
|
end,
|
|
})
|
|
end
|
|
|
|
|
|
-- register commands and keymap
|
|
command.add(nil, {
|
|
["treeview:toggle"] = function()
|
|
view.visible = not view.visible
|
|
end,
|
|
})
|
|
|
|
keymap.add { ["ctrl+\\"] = "treeview:toggle" }
|