-- mod-version:2 -- lite-xl 2.0 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 ContextMenu = require "core.contextmenu" local RootView = require "core.rootview" local default_treeview_size = 200 * SCALE local tooltip_offset = style.font:get_height() 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 = {} 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 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_directories do local dir = core.project_directories[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_directories do local dir = core.project_directories[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 or button ~= "left" 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 = 0 -- The loop below is used to find the first match starting from the end -- in case there are multiple matches. while index and index + #filename < #abs_filename do index = string.find(abs_filename, filename, index + 1, true) end -- we assume here index is not nil because the abs_filename must contain the -- relative filename local dirname = string.sub(abs_filename, 1, index - 2) if core.is_project_folder(dirname) then core.scan_project_folder(dirname, filename) self:invalidate_cache(dirname) end end hovered_item.expanded = not hovered_item.expanded end else core.try(function() local doc_filename = common.relative_path(core.project_dir, 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_view = nil local toolbar_plugin, ToolbarView = core.try(require, "plugins.toolbarview") if config.plugins.toolbarview ~= false and toolbar_plugin then 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 -- Add a context menu to the treeview local menu = ContextMenu() local on_view_mouse_pressed = RootView.on_view_mouse_pressed local on_mouse_moved = RootView.on_mouse_moved local root_view_update = RootView.update local root_view_draw = RootView.draw function RootView:on_mouse_moved(...) if menu:on_mouse_moved(...) then return end on_mouse_moved(self, ...) end function RootView.on_view_mouse_pressed(button, x, y, clicks) -- We give the priority to the menu to process mouse pressed events. if button == "right" then view.tooltip.alpha = 0 view.tooltip.x, view.tooltip.y = nil, nil end local handled = menu:on_mouse_pressed(button, x, y, clicks) return handled or on_view_mouse_pressed(button, x, y, clicks) end function RootView:update(...) root_view_update(self, ...) menu:update() end function RootView:draw(...) root_view_draw(self, ...) menu:draw() end local function is_project_folder(path) return common.basename(core.project_dir) == path end menu:register(function() return view.hovered_item end, { { text = "Open in System", command = "treeview:open-in-system" }, ContextMenu.DIVIDER }) menu:register( function() return view.hovered_item and not is_project_folder(view.hovered_item.filename) end, { { text = "Rename", command = "treeview:rename" }, { text = "Delete", command = "treeview:delete" }, } ) menu:register( function() return view.hovered_item and view.hovered_item.type == "dir" end, { { text = "New File", command = "treeview:new-file" }, { text = "New Folder", command = "treeview:new-folder" }, } ) -- Register the TreeView commands and keymap command.add(nil, { ["treeview:toggle"] = function() view.visible = not view.visible end}) command.add(function() return view.hovered_item ~= nil end, { ["treeview:rename"] = function() local old_filename = view.hovered_item.filename local old_abs_filename = view.hovered_item.abs_filename core.command_view:set_text(old_filename) core.command_view:enter("Rename", function(filename) filename = core.normalize_to_project_dir(filename) local abs_filename = core.project_absolute_path(filename) local res, err = os.rename(old_abs_filename, abs_filename) if res then -- successfully renamed for _, doc in ipairs(core.docs) do if doc.abs_filename and old_abs_filename == doc.abs_filename then doc:set_filename(filename, abs_filename) -- make doc point to the new filename doc:reset_syntax() break -- only first needed end end core.log("Renamed \"%s\" to \"%s\"", old_filename, filename) else core.error("Error while renaming \"%s\" to \"%s\": %s", old_abs_filename, abs_filename, err) end core.reschedule_project_scan() end, common.path_suggest) end, ["treeview:new-file"] = function() local dir_name = view.hovered_item.filename if not is_project_folder(dir_name) then core.command_view:set_text(dir_name .. "/") end core.command_view:enter("Filename", function(filename) local doc_filename = core.project_dir .. PATHSEP .. filename local file = io.open(doc_filename, "a+") file:write("") file:close() core.root_view:open_doc(core.open_doc(doc_filename)) core.reschedule_project_scan() core.log("Created %s", doc_filename) end, common.path_suggest) end, ["treeview:new-folder"] = function() local dir_name = view.hovered_item.filename if not is_project_folder(dir_name) then core.command_view:set_text(dir_name .. "/") end core.command_view:enter("Folder Name", function(filename) local dir_path = core.project_dir .. PATHSEP .. filename common.mkdirp(dir_path) core.reschedule_project_scan() core.log("Created %s", dir_path) end, common.path_suggest) end, ["treeview:delete"] = function() local filename = view.hovered_item.abs_filename local relfilename = view.hovered_item.filename local file_info = system.get_file_info(filename) local file_type = file_info.type == "dir" and "Directory" or "File" -- Ask before deleting local opt = { { font = style.font, text = "Yes", default_yes = true }, { font = style.font, text = "No" , default_no = true } } core.nag_view:show( string.format("Delete %s", file_type), string.format( "Are you sure you want to delete the %s?\n%s: %s", file_type:lower(), file_type, relfilename ), opt, function(item) if item.text == "Yes" then if file_info.type == "dir" then local deleted, error, path = common.rm(filename, true) if not deleted then core.error("Error: %s - \"%s\" ", error, path) return end else local removed, error = os.remove(filename) if not removed then core.error("Error: %s - \"%s\"", error, filename) return end end core.reschedule_project_scan() core.log("Deleted \"%s\"", filename) end end ) end, ["treeview:open-in-system"] = function() local hovered_item = view.hovered_item if PLATFORM == "Windows" then system.exec(string.format("start \"\" %q", hovered_item.abs_filename)) elseif string.find(PLATFORM, "Mac") then system.exec(string.format("open %q", hovered_item.abs_filename)) elseif PLATFORM == "Linux" then system.exec(string.format("xdg-open %q", hovered_item.abs_filename)) end end, }) keymap.add { ["ctrl+\\"] = "treeview:toggle" } -- Return the treeview with toolbar and contextmenu to allow -- user or plugin modifications view.toolbar = toolbar_view view.contextmenu = menu return view