image_meta.lua

--[[
  This file is part of darktable,
  copyright (c) 2014 Jérémy Rosen

  darktable is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  darktable is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with darktable.  If not, see <http://www.gnu.org/licenses/>.
]]
--[[
IMAGE_PATH_IN_UI
Add a widget with the path of the selected images for easy copy/past
Simple shortcuts to have multiple selection bufers


USAGE
* require this file from your main lua config file:

This plugin will add a widget at the bottom of the left column in lighttable mode


]]
local dt = require "darktable"
local du = require "lib/dtutils"
           require "lib/darktable_transition"

du.check_min_api_version("2.0.0", "image_path_in_ui") 
local CURR_API_STRING = dt.configuration.api_version_string

local ipiu = {}
ipiu.module_installed = false
ipiu.event_registered = false

local file_label = dt.new_widget("label"){selectable = true, ellipsize = "middle", halign = "start"}

local function install_module()
  if not ipiu.module_installed then
    dt.register_lib("image_meta","Image",true,false,{
      [dt.gui.views.lighttable] = {"DT_UI_CONTAINER_PANEL_LEFT_CENTER",300}
      }, file_label
    )
    ipiu.module_installed = true
  end
end

local function reset_widget(event, image)
  if image ~= nil then file_label.label = image.filename end
end

file_label.reset_callback = reset_widget

if dt.gui.current_view().id == "lighttable" then
  install_module()
else
  if not ipiu.event_registered then
    dt.register_event(
      "ipiu", "view-changed",
      function(event, old_view, new_view)
        if new_view.name == "lighttable" and old_view.name == "darkroom" then
          install_module()
         end
      end
    )
    ipiu.event_registered = true
  end
end

dt.register_event("ipiu", "mouse-over-image-changed", reset_widget);

  --
-- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua