Update checklist
This commit is contained in:
shutkin.k
parent
f566f8d9d0
commit
d3acca7e66
316
checklist.sh
316
checklist.sh
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@ -1,5 +1,10 @@
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#!/bin/bash
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# Set locale to handle UTF-8 characters
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export LC_ALL=en_US.UTF-8
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export LANG=en_US.UTF-8
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export LANGUAGE=en_US.UTF-8
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# Check if file argument is provided
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if [ $# -ne 1 ]; then
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echo "Usage: $0 <path_to_file>"
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@ -32,6 +37,17 @@ clear_screen() {
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printf '\033[H'
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}
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get_terminal_size() {
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local size=$(stty size 2>/dev/null)
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if [ -n "$size" ]; then
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TERM_ROWS=${size% *}
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TERM_COLS=${size#* }
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else
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TERM_ROWS=24
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TERM_COLS=80
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fi
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}
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cleanup() {
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show_cursor
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clear_screen
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@ -45,109 +61,219 @@ trap cleanup EXIT INT TERM
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# Hide cursor at start
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hide_cursor
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# Get terminal size
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get_terminal_size
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# Parse the file and store tasks
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declare -a categories=()
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declare -A tasks=()
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declare -A checked=()
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declare -a display_items=() # Store display items in order
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declare -a display_items=()
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declare -A item_line_counts=() # Track how many lines each item takes
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current_category=""
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task_counter=0
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current_task=""
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while IFS= read -r line; do
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# Don't trim leading whitespace yet - we need to detect indentation
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trimmed_line=$(echo "$line" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
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if [[ $line =~ ^@(.+)$ ]]; then
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# Save any pending task before starting new category
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if [[ -n "$current_task" && -n "$current_category" ]]; then
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task_key="task_${task_counter}"
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tasks["$task_key"]="$current_task"
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checked["$task_key"]=false
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display_items+=("TASK:$task_key")
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# Count lines in the task (plus 1 for empty line after)
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line_count=$(echo "$current_task" | wc -l)
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item_line_counts["TASK:$task_key"]=$((line_count + 1))
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((task_counter++))
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current_task=""
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fi
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# This is a new category
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current_category="${BASH_REMATCH[1]}"
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categories+=("$current_category")
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display_items+=("CATEGORY:$current_category")
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elif [[ -n "$line" && -n "$current_category" ]]; then
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task_key="${current_category}_${task_counter}"
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tasks["$task_key"]="$line"
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# Categories take 2 lines (category + empty line)
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item_line_counts["CATEGORY:$current_category"]=2
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elif [[ -n "$trimmed_line" && -n "$current_category" ]]; then
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# Check if line starts with whitespace (continuation)
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if [[ $line =~ ^[[:space:]] && -n "$current_task" ]]; then
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# This is a continuation of the previous task
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current_task="$current_task"$'\n'"$trimmed_line"
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else
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# Save previous task if exists
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if [[ -n "$current_task" ]]; then
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task_key="task_${task_counter}"
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tasks["$task_key"]="$current_task"
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checked["$task_key"]=false
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display_items+=("TASK:$task_key")
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# Count lines in the task (plus 1 for empty line after)
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line_count=$(echo "$current_task" | wc -l)
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item_line_counts["TASK:$task_key"]=$((line_count + 1))
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((task_counter++))
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fi
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# Start new task
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current_task="$trimmed_line"
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fi
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fi
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done < "$FILE"
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# Current selection
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# Don't forget the last task
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if [[ -n "$current_task" && -n "$current_category" ]]; then
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task_key="task_${task_counter}"
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tasks["$task_key"]="$current_task"
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checked["$task_key"]=false
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display_items+=("TASK:$task_key")
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# Count lines in the task (plus 1 for empty line after)
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line_count=$(echo "$current_task" | wc -l)
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item_line_counts["TASK:$task_key"]=$((line_count + 1))
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((task_counter++))
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fi
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# Current selection and scrolling
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current_selection=0
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total_items=${#display_items[@]}
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header_lines=3
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header_lines=4
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scroll_offset=0
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# Initial display
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initial_display() {
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# Calculate how many items can fit on screen based on their actual line counts
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calculate_visible_items() {
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local available_lines=$((TERM_ROWS - header_lines - 1))
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local used_lines=0
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local count=0
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for (( i=scroll_offset; i<total_items; i++ )); do
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local item="${display_items[$i]}"
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local lines_needed=${item_line_counts["$item"]}
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if (( used_lines + lines_needed <= available_lines )); then
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used_lines=$((used_lines + lines_needed))
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count=$((count + 1))
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else
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break
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fi
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done
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max_visible_items=$count
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if [ $max_visible_items -lt 1 ]; then
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max_visible_items=1
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fi
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}
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# Calculate scroll position to keep current selection visible
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update_scroll() {
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# If current selection is before scroll window, scroll up
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if [ $current_selection -lt $scroll_offset ]; then
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scroll_offset=$current_selection
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calculate_visible_items
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return
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fi
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# Calculate visible items from current scroll position
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calculate_visible_items
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# If current selection is after scroll window, scroll down
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visible_end=$((scroll_offset + max_visible_items))
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if [ $current_selection -ge $visible_end ]; then
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# Find the scroll position where current_selection is the last visible item
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target_end=$((current_selection + 1))
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available_lines=$((TERM_ROWS - header_lines - 1))
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used_lines=0
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# Work backwards from current_selection to find scroll_offset
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for (( i=current_selection; i>=0; i-- )); do
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item="${display_items[$i]}"
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lines_needed=${item_line_counts["$item"]}
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if (( used_lines + lines_needed <= available_lines )); then
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used_lines=$((used_lines + lines_needed))
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scroll_offset=$i
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else
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break
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fi
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done
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calculate_visible_items
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fi
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}
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# Function to display a task (handles multi-line)
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display_task() {
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local task_key="$1"
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local is_selected="$2"
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local task_content="${tasks[$task_key]}"
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checkbox="[ ]"
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if [ "${checked[$task_key]}" = true ]; then
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checkbox="[✓]"
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fi
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# Split task into lines
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local first_line=true
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while IFS= read -r task_line; do
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if [ "$first_line" = true ]; then
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# First line includes checkbox
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local full_line=" $checkbox $task_line"
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first_line=false
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else
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# Continuation lines are indented
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local full_line=" $task_line"
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fi
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if [ "$is_selected" = true ]; then
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printf '\033[7m%s\033[0m\n' "$full_line"
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else
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printf '%s\n' "$full_line"
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fi
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done <<< "$task_content"
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}
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# Full display refresh
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full_display() {
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clear_screen
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echo "Checklist - Use ↑/↓ to navigate, SPACE to toggle, q to quit"
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echo "File: $FILE"
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# Show scroll indicator
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if [ $total_items -gt $max_visible_items ]; then
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end_item=$((scroll_offset + max_visible_items - 1))
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if [ $end_item -ge $total_items ]; then
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end_item=$((total_items - 1))
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fi
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echo "Items $((scroll_offset + 1))-$((end_item + 1)) of $total_items"
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else
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echo "All items shown"
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fi
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echo "=================================================="
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for i in "${!display_items[@]}"; do
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# Display visible items
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visible_end=$((scroll_offset + max_visible_items))
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if [ $visible_end -gt $total_items ]; then
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visible_end=$total_items
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fi
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for (( i=scroll_offset; i<visible_end; i++ )); do
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item="${display_items[$i]}"
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if [[ $item =~ ^CATEGORY:(.+)$ ]]; then
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category="${BASH_REMATCH[1]}"
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echo "@$category"
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if [ $i -eq $current_selection ]; then
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printf '\033[7m@%s\033[0m\n' "$category"
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else
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printf '@%s\n' "$category"
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fi
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elif [[ $item =~ ^TASK:(.+)$ ]]; then
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task_key="${BASH_REMATCH[1]}"
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checkbox="[ ]"
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if [ "${checked[$task_key]}" = true ]; then
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checkbox="[✓]"
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fi
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echo " $checkbox ${tasks[$task_key]}"
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display_task "$task_key" $([ $i -eq $current_selection ] && echo "true" || echo "false")
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fi
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echo # Empty line after each item
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done
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}
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# Update single line
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update_line() {
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local line_num=$((header_lines + 1 + ($1 * 2))) # *2 because of empty lines
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move_cursor $line_num 1
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printf '\033[K' # Clear line
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item="${display_items[$1]}"
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if [[ $item =~ ^CATEGORY:(.+)$ ]]; then
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category="${BASH_REMATCH[1]}"
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if [ $1 -eq $current_selection ]; then
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printf '\033[7m@%s\033[0m' "$category"
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else
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printf '@%s' "$category"
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fi
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elif [[ $item =~ ^TASK:(.+)$ ]]; then
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task_key="${BASH_REMATCH[1]}"
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checkbox="[ ]"
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if [ "${checked[$task_key]}" = true ]; then
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checkbox="[✓]"
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fi
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task_line=" $checkbox ${tasks[$task_key]}"
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if [ $1 -eq $current_selection ]; then
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printf '\033[7m%s\033[0m' "$task_line"
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else
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printf '%s' "$task_line"
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fi
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fi
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}
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# Update only the checkbox part of a task line
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update_checkbox() {
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local line_num=$((header_lines + 1 + ($1 * 2)))
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local task_key="${BASH_REMATCH[1]}"
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item="${display_items[$1]}"
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if [[ $item =~ ^TASK:(.+)$ ]]; then
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task_key="${BASH_REMATCH[1]}"
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checkbox="[ ]"
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if [ "${checked[$task_key]}" = true ]; then
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checkbox="[✓]"
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fi
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# Move to checkbox position (column 3) and update just the checkbox
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move_cursor $line_num 3
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if [ $1 -eq $current_selection ]; then
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printf '\033[7m%s\033[0m' "$checkbox"
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else
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printf '%s' "$checkbox"
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fi
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fi
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}
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# Get the task key at current selection
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get_current_task_key() {
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item="${display_items[$current_selection]}"
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@ -158,14 +284,11 @@ get_current_task_key() {
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fi
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}
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# Show initial display
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initial_display
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# Highlight first item
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update_line 0
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# Initial display
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update_scroll
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full_display
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# Main loop
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prev_selection=0
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while true; do
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# Read single character
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IFS= read -rsn1 input
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@ -177,18 +300,42 @@ while true; do
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case $input in
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'[A') # Up arrow
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if [ $current_selection -gt 0 ]; then
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prev_selection=$current_selection
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((current_selection--))
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update_line $prev_selection
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update_line $current_selection
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prev_scroll=$scroll_offset
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update_scroll
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# Always do full refresh for multi-line content
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full_display
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fi
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;;
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'[B') # Down arrow
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if [ $current_selection -lt $((total_items - 1)) ]; then
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prev_selection=$current_selection
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((current_selection++))
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update_line $prev_selection
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update_line $current_selection
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prev_scroll=$scroll_offset
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update_scroll
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# Always do full refresh for multi-line content
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full_display
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fi
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;;
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'[5~') # Page Up
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if [ $current_selection -gt 0 ]; then
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current_selection=$((current_selection - max_visible_items))
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if [ $current_selection -lt 0 ]; then
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current_selection=0
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fi
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update_scroll
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full_display
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fi
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;;
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'[6~') # Page Down
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if [ $current_selection -lt $((total_items - 1)) ]; then
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current_selection=$((current_selection + max_visible_items))
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if [ $current_selection -ge $total_items ]; then
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current_selection=$((total_items - 1))
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fi
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update_scroll
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full_display
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fi
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;;
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esac
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@ -201,11 +348,18 @@ while true; do
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else
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checked["$task_key"]=true
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fi
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# Only update the checkbox, not the entire line
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update_checkbox $current_selection
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# Full refresh to update checkbox properly
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full_display
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fi
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elif [[ $input == 'q' ]] || [[ $input == 'Q' ]]; then
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# Quit - cleanup will be called by trap
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exit 0
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elif [[ $input == 'r' ]] || [[ $input == 'R' ]]; then
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# Refresh display
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get_terminal_size
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update_scroll
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full_display
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fi
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done
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