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Added context menu to treeview.

This commit is contained in:
jgmdev 2021-06-24 14:07:50 -04:00
parent 83a604dfb7
commit 68459a9199
3 changed files with 368 additions and 223 deletions
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218
data/core/contextmenu.lua Normal file
View File

@ -0,0 +1,218 @@
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 Object = require "core.object"
local border_width = 1
local divider_width = 1
local DIVIDER = {}
local ContextMenu = Object:extend()
ContextMenu.DIVIDER = DIVIDER
function ContextMenu:new()
self.itemset = {}
self.show_context_menu = false
self.selected = -1
self.height = 0
self.position = { x = 0, y = 0 }
end
local function get_item_size(item)
local lw, lh
if item == DIVIDER then
lw = 0
lh = divider_width
else
lw = style.font:get_width(item.text)
if item.info then
lw = lw + style.padding.x + style.font:get_width(item.info)
end
lh = style.font:get_height() + style.padding.y
end
return lw, lh
end
function ContextMenu:register(predicate, items)
if type(predicate) == "string" then
predicate = require(predicate)
end
if type(predicate) == "table" then
local class = predicate
predicate = function() return core.active_view:is(class) end
end
local width, height = 0, 0 --precalculate the size of context menu
for i, item in ipairs(items) do
if item ~= DIVIDER then
item.info = keymap.reverse_map[item.command]
end
local lw, lh = get_item_size(item)
width = math.max(width, lw)
height = height + lh
end
width = width + style.padding.x * 2
items.width, items.height = width, height
table.insert(self.itemset, { predicate = predicate, items = items })
end
function ContextMenu:show(x, y)
self.items = nil
local items_list = { width = 0, height = 0 }
for _, items in ipairs(self.itemset) do
if items.predicate(x, y) then
items_list.width = math.max(items_list.width, items.items.width)
items_list.height = items_list.height + items.items.height
for _, subitems in ipairs(items.items) do
table.insert(items_list, subitems)
end
end
end
if #items_list > 0 then
self.items = items_list
local w, h = self.items.width, self.items.height
-- by default the box is opened on the right and below
if x + w >= core.root_view.size.x then
x = x - w
end
if y + h >= core.root_view.size.y then
y = y - h
end
self.position.x, self.position.y = x, y
self.show_context_menu = true
return true
end
return false
end
function ContextMenu:hide()
self.show_context_menu = false
self.items = nil
self.selected = -1
self.height = 0
end
function ContextMenu:each_item()
local x, y, w = self.position.x, self.position.y, self.items.width
local oy = y
return coroutine.wrap(function()
for i, item in ipairs(self.items) do
local _, lh = get_item_size(item)
if y - oy > self.height then break end
coroutine.yield(i, item, x, y, w, lh)
y = y + lh
end
end)
end
function ContextMenu:on_mouse_moved(px, py)
if not self.show_context_menu then return end
self.selected = -1
for i, item, x, y, w, h in self:each_item() do
if px > x and px <= x + w and py > y and py <= y + h then
self.selected = i
break
end
end
if self.selected >= 0 then
core.request_cursor("arrow")
end
return true
end
function ContextMenu:on_selected(item)
if type(item.command) == "string" then
command.perform(item.command)
else
item.command()
end
end
function ContextMenu:on_mouse_pressed(button, x, y, clicks)
local selected = (self.items or {})[self.selected]
local caught = false
self:hide()
if button == "left" then
if selected then
self:on_selected(selected)
caught = true
end
end
if button == "right" then
caught = self:show(x, y)
end
return caught
end
-- copied from core.docview
function ContextMenu:move_towards(t, k, dest, rate)
if type(t) ~= "table" then
return self:move_towards(self, t, k, dest, rate)
end
local val = t[k]
if not config.transitions or math.abs(val - dest) < 0.5 then
t[k] = dest
else
rate = rate or 0.5
if config.fps ~= 60 or config.animation_rate ~= 1 then
local dt = 60 / config.fps
rate = 1 - common.clamp(1 - rate, 1e-8, 1 - 1e-8)^(config.animation_rate * dt)
end
t[k] = common.lerp(val, dest, rate)
end
if val ~= dest then
core.redraw = true
end
end
function ContextMenu:update()
if self.show_context_menu then
self:move_towards("height", self.items.height)
end
end
function ContextMenu:draw()
if not self.show_context_menu then return end
core.root_view:defer_draw(self.draw_context_menu, self)
end
function ContextMenu:draw_context_menu()
if not self.items then return end
local bx, by, bw, bh = self.position.x, self.position.y, self.items.width, self.height
renderer.draw_rect(
bx - border_width,
by - border_width,
bw + (border_width * 2),
bh + (border_width * 2),
style.divider
)
renderer.draw_rect(bx, by, bw, bh, style.background3)
for i, item, x, y, w, h in self:each_item() do
if item == DIVIDER then
renderer.draw_rect(x, y, w, h, style.caret)
else
if i == self.selected then
renderer.draw_rect(x, y, w, h, style.selection)
end
common.draw_text(style.font, style.text, item.text, "left", x + style.padding.x, y, w, h)
if item.info then
common.draw_text(style.font, style.dim, item.info, "right", x, y, w - style.padding.x, h)
end
end
end
end
return ContextMenu

219
data/plugins/contextmenu.lua
View File

@ -1,223 +1,10 @@
-- mod-version:1 -- lite-xl 1.16 -- mod-version:1 -- lite-xl 1.16
local core = require "core" local core = require "core"
local common = require "core.common"
local config = require "core.config"
local command = require "core.command" local command = require "core.command"
local keymap = require "core.keymap" local keymap = require "core.keymap"
local style = require "core.style" local ContextMenu = require "core.contextmenu"
local Object = require "core.object"
local RootView = require "core.rootview" local RootView = require "core.rootview"
local border_width = 1
local divider_width = 1
local DIVIDER = {}
local ContextMenu = Object:extend()
ContextMenu.DIVIDER = DIVIDER
function ContextMenu:new()
self.itemset = {}
self.show_context_menu = false
self.selected = -1
self.height = 0
self.position = { x = 0, y = 0 }
end
local function get_item_size(item)
local lw, lh
if item == DIVIDER then
lw = 0
lh = divider_width
else
lw = style.font:get_width(item.text)
if item.info then
lw = lw + style.padding.x + style.font:get_width(item.info)
end
lh = style.font:get_height() + style.padding.y
end
return lw, lh
end
function ContextMenu:register(predicate, items)
if type(predicate) == "string" then
predicate = require(predicate)
end
if type(predicate) == "table" then
local class = predicate
predicate = function() return core.active_view:is(class) end
end
local width, height = 0, 0 --precalculate the size of context menu
for i, item in ipairs(items) do
if item ~= DIVIDER then
item.info = keymap.reverse_map[item.command]
end
local lw, lh = get_item_size(item)
width = math.max(width, lw)
height = height + lh
end
width = width + style.padding.x * 2
items.width, items.height = width, height
table.insert(self.itemset, { predicate = predicate, items = items })
end
function ContextMenu:show(x, y)
self.items = nil
local items_list = { width = 0, height = 0 }
for _, items in ipairs(self.itemset) do
if items.predicate(x, y) then
items_list.width = math.max(items_list.width, items.items.width)
items_list.height = items_list.height + items.items.height
for _, subitems in ipairs(items.items) do
table.insert(items_list, subitems)
end
end
end
if #items_list > 0 then
self.items = items_list
local w, h = self.items.width, self.items.height
-- by default the box is opened on the right and below
if x + w >= core.root_view.size.x then
x = x - w
end
if y + h >= core.root_view.size.y then
y = y - h
end
self.position.x, self.position.y = x, y
self.show_context_menu = true
return true
end
return false
end
function ContextMenu:hide()
self.show_context_menu = false
self.items = nil
self.selected = -1
self.height = 0
end
function ContextMenu:each_item()
local x, y, w = self.position.x, self.position.y, self.items.width
local oy = y
return coroutine.wrap(function()
for i, item in ipairs(self.items) do
local _, lh = get_item_size(item)
if y - oy > self.height then break end
coroutine.yield(i, item, x, y, w, lh)
y = y + lh
end
end)
end
function ContextMenu:on_mouse_moved(px, py)
if not self.show_context_menu then return end
self.selected = -1
for i, item, x, y, w, h in self:each_item() do
if px > x and px <= x + w and py > y and py <= y + h then
self.selected = i
break
end
end
if self.selected >= 0 then
core.request_cursor("arrow")
end
return true
end
function ContextMenu:on_selected(item)
if type(item.command) == "string" then
command.perform(item.command)
else
item.command()
end
end
function ContextMenu:on_mouse_pressed(button, x, y, clicks)
local selected = (self.items or {})[self.selected]
local caught = false
self:hide()
if button == "left" then
if selected then
self:on_selected(selected)
caught = true
end
end
if button == "right" then
caught = self:show(x, y)
end
return caught
end
-- copied from core.docview
function ContextMenu:move_towards(t, k, dest, rate)
if type(t) ~= "table" then
return self:move_towards(self, t, k, dest, rate)
end
local val = t[k]
if not config.transitions or math.abs(val - dest) < 0.5 then
t[k] = dest
else
rate = rate or 0.5
if config.fps ~= 60 or config.animation_rate ~= 1 then
local dt = 60 / config.fps
rate = 1 - common.clamp(1 - rate, 1e-8, 1 - 1e-8)^(config.animation_rate * dt)
end
t[k] = common.lerp(val, dest, rate)
end
if val ~= dest then
core.redraw = true
end
end
function ContextMenu:update()
if self.show_context_menu then
self:move_towards("height", self.items.height)
end
end
function ContextMenu:draw()
if not self.show_context_menu then return end
core.root_view:defer_draw(self.draw_context_menu, self)
end
function ContextMenu:draw_context_menu()
if not self.items then return end
local bx, by, bw, bh = self.position.x, self.position.y, self.items.width, self.height
renderer.draw_rect(
bx - border_width,
by - border_width,
bw + (border_width * 2),
bh + (border_width * 2),
style.divider
)
renderer.draw_rect(bx, by, bw, bh, style.background3)
for i, item, x, y, w, h in self:each_item() do
if item == DIVIDER then
renderer.draw_rect(x, y, w, h, style.caret)
else
if i == self.selected then
renderer.draw_rect(x, y, w, h, style.selection)
end
common.draw_text(style.font, style.text, item.text, "left", x + style.padding.x, y, w, h)
if item.info then
common.draw_text(style.font, style.dim, item.info, "right", x, y, w - style.padding.x, h)
end
end
end
end
local menu = ContextMenu() local menu = ContextMenu()
local on_view_mouse_pressed = RootView.on_view_mouse_pressed local on_view_mouse_pressed = RootView.on_view_mouse_pressed
local on_mouse_moved = RootView.on_mouse_moved local on_mouse_moved = RootView.on_mouse_moved
@ -260,10 +47,10 @@ if require("plugins.scale") then
{ text = "Font +", command = "scale:increase" }, { text = "Font +", command = "scale:increase" },
{ text = "Font -", command = "scale:decrease" }, { text = "Font -", command = "scale:decrease" },
{ text = "Font Reset", command = "scale:reset" }, { text = "Font Reset", command = "scale:reset" },
DIVIDER, ContextMenu.DIVIDER,
{ text = "Find", command = "find-replace:find" }, { text = "Find", command = "find-replace:find" },
{ text = "Replace", command = "find-replace:replace" }, { text = "Replace", command = "find-replace:replace" },
DIVIDER, ContextMenu.DIVIDER,
{ text = "Find Pattern", command = "find-replace:find-pattern" }, { text = "Find Pattern", command = "find-replace:find-pattern" },
{ text = "Replace Pattern", command = "find-replace:replace-pattern" }, { text = "Replace Pattern", command = "find-replace:replace-pattern" },
}) })

154
data/plugins/treeview.lua
View File

@ -6,9 +6,12 @@ local config = require "core.config"
local keymap = require "core.keymap" local keymap = require "core.keymap"
local style = require "core.style" local style = require "core.style"
local View = require "core.view" local View = require "core.view"
local ContextMenu = require "core.contextmenu"
local RootView = require "core.rootview"
local default_treeview_size = 200 * SCALE local default_treeview_size = 200 * SCALE
local tooltip_offset = style.font:get_height("A") local tooltip_offset = style.font:get_height()
local tooltip_border = 1 local tooltip_border = 1
local tooltip_delay = 0.5 local tooltip_delay = 0.5
local tooltip_alpha = 255 local tooltip_alpha = 255
@ -173,13 +176,13 @@ end
function TreeView:on_mouse_moved(px, py, ...) function TreeView:on_mouse_moved(px, py, ...)
TreeView.super.on_mouse_moved(self, px, py, ...) TreeView.super.on_mouse_moved(self, px, py, ...)
if self.dragging_scrollbar then return end if self.dragging_scrollbar then return end
local item_changed, tooltip_changed local item_changed, tooltip_changed
for item, x,y,w,h in self:each_item() do 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 if px > x and py > y and px <= x + w and py <= y + h then
item_changed = true item_changed = true
self.hovered_item = item self.hovered_item = item
x,y,w,h = self:get_text_bounding_box(item, x,y,w,h) 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 if px > x and py > y and px <= x + w and py <= y + h then
tooltip_changed = true tooltip_changed = true
@ -210,7 +213,7 @@ end
function TreeView:on_mouse_pressed(button, x, y, clicks) function TreeView:on_mouse_pressed(button, x, y, clicks)
local caught = TreeView.super.on_mouse_pressed(self, button, x, y, clicks) local caught = TreeView.super.on_mouse_pressed(self, button, x, y, clicks)
if caught then if caught or button ~= "left" then
return return
end end
local hovered_item = self.hovered_item local hovered_item = self.hovered_item
@ -256,7 +259,7 @@ function TreeView:update()
else else
self:move_towards(self.size, "x", dest) self:move_towards(self.size, "x", dest)
end end
local duration = system.get_time() - self.tooltip.begin local duration = system.get_time() - self.tooltip.begin
if self.hovered_item and self.tooltip.x and duration > tooltip_delay then if self.hovered_item and self.tooltip.x and duration > tooltip_delay then
self:move_towards(self.tooltip, "alpha", tooltip_alpha, tooltip_alpha_rate) self:move_towards(self.tooltip, "alpha", tooltip_alpha, tooltip_alpha_rate)
@ -353,9 +356,10 @@ local treeview_node = node:split("left", view, {x = true}, true)
-- plugin to be independent of each other. In addition it is not the -- 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 -- plugin module that plug itself in the active node but it is plugged here
-- in the treeview node. -- in the treeview node.
local toolbar_view = nil
local toolbar_plugin, ToolbarView = core.try(require, "plugins.toolbarview") local toolbar_plugin, ToolbarView = core.try(require, "plugins.toolbarview")
if config.toolbarview ~= false and toolbar_plugin then if config.toolbarview ~= false and toolbar_plugin then
local toolbar_view = ToolbarView() toolbar_view = ToolbarView()
treeview_node:split("down", toolbar_view, {y = true}) treeview_node:split("down", toolbar_view, {y = true})
local min_toolbar_width = toolbar_view:get_min_width() local min_toolbar_width = toolbar_view:get_min_width()
view:set_target_size("x", math.max(default_treeview_size, min_toolbar_width)) view:set_target_size("x", math.max(default_treeview_size, min_toolbar_width))
@ -366,12 +370,148 @@ if config.toolbarview ~= false and toolbar_plugin then
}) })
end end
-- Add a context menu to the treeview
local menu = ContextMenu()
-- register commands and keymap 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, { command.add(nil, {
["treeview:toggle"] = function() ["treeview:toggle"] = function()
view.visible = not view.visible view.visible = not view.visible
end, end,
["treeview:rename"] = function()
local old_filename = view.hovered_item.filename
core.command_view:set_text(old_filename)
core.command_view:enter("Rename", function(filename)
os.rename(old_filename, filename)
core.log("Renamed \"%s\" to \"%s\"", old_filename, filename)
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.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.log("Created %s", dir_path)
end, common.path_suggest)
end,
["treeview:delete"] = function()
local filename = view.hovered_item.abs_filename
local file_info = system.get_file_info(filename)
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.log("Deleted \"%s\"", filename)
end,
["treeview:open-in-system"] = function()
local hovered_item = view.hovered_item
if PLATFORM == "Windows" then
system.exec("start " .. 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" } 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