add tmux plugin: tmux-sidebar

A sidebar with the directory tree for the current path. Tries to make tmux more IDE like.

.tmux/sidebar.tmux

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+SCRIPTS_DIR="$CURRENT_DIR/scripts"
+
+source "$SCRIPTS_DIR/helpers.sh"
+source "$SCRIPTS_DIR/variables.sh"
+source "$SCRIPTS_DIR/tree_helpers.sh"
+
+set_default_key_binding_options() {
+	local tree_command="$(tree_command)"
+	local tree_key="$(tree_key)"
+	local tree_focus_key="$(tree_focus_key)"
+	local tree_pager="$(tree_pager)"
+	local tree_position="$(tree_position)"
+	local tree_width="$(tree_width)"
+
+	set_tmux_option "${VAR_KEY_PREFIX}-${tree_key}" "$tree_command | ${tree_pager},${tree_position},${tree_width}"
+	set_tmux_option "${VAR_KEY_PREFIX}-${tree_focus_key}" "$tree_command | ${tree_pager},${tree_position},${tree_width},focus"
+}
+
+set_key_bindings() {
+	local stored_key_vars="$(stored_key_vars)"
+	local search_var
+	local key
+	local pattern
+	for option in $stored_key_vars; do
+		key="$(get_key_from_option_name "$option")"
+		value="$(get_value_from_option_name "$option")"
+		tmux bind-key "$key" run-shell "$SCRIPTS_DIR/toggle.sh '$value' '#{pane_id}'"
+	done
+}
+
+main() {
+	set_default_key_binding_options
+	set_key_bindings
+}
+main