From 7d4505b0000713e5cb25f0db560d5dedfa390203 Mon Sep 17 00:00:00 2001
From: Rene Schallner <rene@renerocks.ai>
Date: Thu, 18 Aug 2022 17:18:09 +0200
Subject: [PATCH] added media previewer alternative catimg

---
 README.md                |  8 ++++++++
 doc/telekasten.txt       | 18 +++++++++++++++++-
 lua/telekasten.lua       | 17 ++++++++++++++++-
 scripts/catimg-previewer |  7 +++++++
 4 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100755 scripts/catimg-previewer

diff --git a/README.md b/README.md
index a419a36..6d23417 100644
--- a/README.md
+++ b/README.md
@@ -377,6 +377,11 @@ require('telekasten').setup({
             -- home = "/home/user/vaults/personal",
         },
     },
+
+    -- how to preview media files
+    -- "telescope-media-files" if you have telescope-media-files.nvim installed
+    -- "catimg-previewer" if you have catimg installed
+    media_previewer = "telescope-media-files",
 })
 END
 ```
@@ -438,6 +443,9 @@ END
 | | - `prefer_home`: put all notes in home folder except for `goto_today()` and `goto_thisweek()`, and notes with `sub/folders` in the title ||
 | | - `same_as_current`: put all new notes in the directory of the currently open note (where the cursor is) if present or else into the home folder, except for notes with `sub/folders/` in the title||
 | `vaults` | a table of additional vault configurations. Default config values are assumed for all config settings that are not specified for additional vaults | `vaults = { second_vault = { home = "/home/rs/vaults/second", }, third_vault: { home = "/home/rs/vaults/third", }, }` |
+| `media_previewer` | how to preview media files | default: `telescope-media-files` |
+|| - `telescope-media-files` if you have telescope-media-files.nvim installed |
+|| - `catimg-previewer` if you have catimg installed |
 
 The calendar support has its own options, contained in `calendar_opts`:
 
diff --git a/doc/telekasten.txt b/doc/telekasten.txt
index 6c47ffb..b19082f 100644
--- a/doc/telekasten.txt
+++ b/doc/telekasten.txt
@@ -151,6 +151,10 @@ telekasten.setup({opts})
           -- home = "/home/user/vaults/personal",
         }
       },
+      -- how to preview media files
+      -- "telescope-media-files" if you have telescope-media-files.nvim installed
+      -- "catimg-previewer" if you have catimg installed
+      media_previewer = "telescope-media-files",
     }
 <
 
@@ -399,6 +403,18 @@ telekasten.setup({opts})
         has been renamed.
 
         Default: `true`
+
+                                       *telekasten.settings.media_previewer*
+    media_previewer:~
+        Previewer used for viewing media / image files. There are two
+        options:
+        - `'telescope-media-files'` : use the telescope-media-files.nvim
+          plugin
+        - `'catimg-previewer'` : use the built-in `catimg` previewer.
+          Requires `catimg` to be installed.
+
+        Default: `telescope-media-files`
+
                                                *telekasten.calendar_opts*
     -----------------------------------
     Valid keys for {opts.calendar_opts}
@@ -925,7 +941,7 @@ Section 3.6 Mutliple home directories               *telekasten.switch_vaults*
 
 You can have multiple home directories setup in telekasten. The configuration
 for each vault is stored as a map in telekasten. You can use `switch_vaults
-to launch a picker to choose the vaults. 
+to launch a picker to choose the vaults.
 
 
 ================================================================================
diff --git a/lua/telekasten.lua b/lua/telekasten.lua
index 4415e9d..7c9e0c0 100644
--- a/lua/telekasten.lua
+++ b/lua/telekasten.lua
@@ -149,6 +149,11 @@ local function defaultConfig(home)
 
         -- should all links be updated when a file is renamed
         rename_update_links = true,
+
+        -- how to preview media files
+        -- "telescope-media-files" if you have telescope-media-files.nvim installed
+        -- "catimg-previewer" if you have catimg installed
+        media_previewer = "telescope-media-files",
     }
     M.Cfg = cfg
     M.note_type_templates = {
@@ -964,7 +969,16 @@ local media_files_base_directory = M.base_directory
     .. "/telescope-media-files.nvim"
 local defaulter = utils.make_default_callable
 local media_preview = defaulter(function(opts)
-    local preview_cmd = media_files_base_directory .. "/scripts/vimg"
+    local preview_cmd = ""
+    if M.Cfg.media_previewer == "telescope-media-files" then
+        preview_cmd = media_files_base_directory .. "/scripts/vimg"
+    end
+
+    if M.Cfg.media_previewer == "catimg-previewer" then
+        preview_cmd = M.base_directory
+            .. "/telekasten.nvim/scripts/catimg-previewer"
+    end
+
     if vim.fn.executable(preview_cmd) == 0 then
         print("Previewer not found: " .. preview_cmd)
         return conf.file_previewer(opts)
@@ -977,6 +991,7 @@ local media_preview = defaulter(function(opts)
             if vim.tbl_isempty(tmp_table) then
                 return { "echo", "" }
             end
+            print(tmp_table[1])
             return {
                 preview_cmd,
                 tmp_table[1],
diff --git a/scripts/catimg-previewer b/scripts/catimg-previewer
new file mode 100755
index 0000000..34030e1
--- /dev/null
+++ b/scripts/catimg-previewer
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+img="$1"
+width="$4"
+height="$5"
+
+catimg "$img" -w${width}x${height}