feat: share checklists as simple text (#302)

Refs: https://github.com/FossifyOrg/Notes/issues/96

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added support for custom fonts
 
 ### Changed
+- Checklists are now shared as plain text ([#96])
 - Disabled touch outside the checklist dialog to prevent loss of content ([#291])
 
 ### Fixed
@@ -102,6 +103,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#59]: https://github.com/FossifyOrg/Notes/issues/59
 [#81]: https://github.com/FossifyOrg/Notes/issues/81
 [#83]: https://github.com/FossifyOrg/Notes/issues/83
+[#96]: https://github.com/FossifyOrg/Notes/issues/96
 [#99]: https://github.com/FossifyOrg/Notes/issues/99
 [#110]: https://github.com/FossifyOrg/Notes/issues/110
 [#156]: https://github.com/FossifyOrg/Notes/issues/156

app/src/main/kotlin/org/fossify/notes/activities/MainActivity.kt

@@ -104,6 +104,7 @@ import org.fossify.notes.dialogs.OpenFileDialog
 import org.fossify.notes.dialogs.OpenNoteDialog
 import org.fossify.notes.dialogs.RenameNoteDialog
 import org.fossify.notes.dialogs.SortChecklistDialog
+import org.fossify.notes.extensions.checklistToPlainText
 import org.fossify.notes.extensions.config
 import org.fossify.notes.extensions.getPercentageFontSize
 import org.fossify.notes.extensions.notesDB
@@ -1457,7 +1458,7 @@ class MainActivity : SimpleActivity() {
         val text = if (mCurrentNote.type == NoteType.TYPE_TEXT) {
             getCurrentNoteText()
         } else {
-            mCurrentNote.value
+            mCurrentNote.value.checklistToPlainText(config.moveDoneChecklistItems) ?: mCurrentNote.value
         }
 
         if (text.isNullOrEmpty()) {

app/src/main/kotlin/org/fossify/notes/extensions/String.kt

@@ -14,3 +14,12 @@ fun String.parseChecklistItems(): ArrayList<Task>? {
     }
     return null
 }
+
+fun String.checklistToPlainText(moveDoneToBottom: Boolean = true): String? {
+    val tasks = parseChecklistItems() ?: return null
+    val sortedTasks = if (moveDoneToBottom) tasks.sortedBy { it.isDone } else tasks
+    return sortedTasks.joinToString("\n") { task ->
+        val checkbox = if (task.isDone) "[x]" else "[ ]"
+        "$checkbox ${task.title}"
+    }
+}