Initial commit

.config/lite-xl/libraries/widget/itemslist.lua

@@ -0,0 +1,161 @@
+--
+-- ItemsList Widget.
+-- @copyright Jefferson Gonzalez
+-- @license MIT
+--
+local style = require "core.style"
+local Widget = require "libraries.widget"
+local Button = require "libraries.widget.button"
+local ListBox = require "libraries.widget.listbox"
+local InputDialog = require "libraries.widget.inputdialog"
+local MessageBox = require "libraries.widget.messagebox"
+
+---@class widget.itemslist : widget
+---@field list widget.listbox
+---@field add widget.button
+---@field remove widget.button
+local ItemsList = Widget:extend()
+
+---Constructor
+---@param parent widget
+function ItemsList:new(parent)
+  ItemsList.super.new(self, parent)
+
+  self.type_name = "widget.itemslist"
+
+  self.border.width = 0
+
+  self.dialog = false
+
+  self.list = ListBox(self)
+
+  local this = self
+
+  function self.list:on_mouse_pressed(button, x, y, clicks)
+    if not ListBox.on_mouse_pressed(self, button, x, y, clicks) then
+      return false
+    end
+
+    if clicks == 2 and not this.dialog then
+      this.dialog = true
+      local selected = this.list:get_selected()
+      local selvalue = this.list:get_row_text(selected)
+      ---@type widget.inputdialog
+      local input = InputDialog("Edit Item", "Enter the new item value:", selvalue)
+      function input:on_save(value)
+        this:edit_item(selected, value)
+      end
+      function input:on_close()
+        InputDialog.on_close(self)
+        self:destroy()
+        this.dialog = false
+      end
+      input:show()
+    end
+
+    return true
+  end
+
+  self.add = Button(self, "Add")
+  self.add:set_icon("B")
+  function self.add:on_click()
+    if not this.dialog then
+      ---@type widget.inputdialog
+      local input = InputDialog("Add Item", "Enter the new item:")
+      function input:on_save(value)
+        this:add_item(value)
+      end
+      function input:on_close()
+        InputDialog.on_close(self)
+        self:destroy()
+        this.dialog = false
+      end
+      input:show()
+    end
+  end
+
+  self.remove = Button(self, "Remove")
+  self.remove:set_icon("C")
+  function self.remove:on_click()
+    local selected = this.list:get_selected()
+    if selected then
+      this:remove_item(selected)
+    else
+      MessageBox.error("No item selected", "Please select an item to remove")
+    end
+  end
+end
+
+---Add a new item into the list.
+---@param text widget.styledtext | string
+---@param data any
+function ItemsList:add_item(text, data)
+  if type(text) == "string" then
+    text = {text}
+  end
+  self.list:add_row(text, data)
+  self.list:set_visible_rows()
+  self:on_change()
+end
+
+---Edit an existing item on the list.
+---@param idx integer
+---@param text widget.styledtext | string
+---@param data any
+function ItemsList:edit_item(idx, text, data)
+  if type(text) == "string" then
+    text = {text}
+  end
+  self.list:set_row(idx, text)
+  if data then
+    self.list:set_row_data(idx, data)
+  end
+  self:on_change()
+end
+
+---Remove the given item from the list.
+---@param idx integer
+function ItemsList:remove_item(idx)
+  self.list:remove_row(idx)
+  self:on_change()
+end
+
+---Return the items from the list.
+---@return table<integer, string>
+function ItemsList:get_items()
+  local output = {}
+  local count = #self.list.rows
+  for i=1, count, 1 do
+    table.insert(output, self.list:get_row_text(i))
+  end
+  return output
+end
+
+function ItemsList:update()
+  if not ItemsList.super.update(self) then return false end
+
+  if self.size.x == 0 then
+    self.size.x = self.add:get_width()
+      + (style.padding.x / 2) + self.remove:get_width() + (50 * SCALE)
+    self.size.y = self.add:get_height() + (style.padding.y * 2) + 100
+  end
+
+  self.list:set_position(0, 0)
+
+  self.list:set_size(
+    self.size.x,
+    self.size.y - self.add:get_height() - (style.padding.y * 2)
+  )
+
+  self.add:set_position(0, self.list:get_bottom() + style.padding.y)
+
+  self.remove:set_position(
+    self.add:get_right() + (style.padding.x / 2),
+    self.list:get_bottom() + style.padding.y
+  )
+
+  return true
+end
+
+
+return ItemsList