Add select inverse action

2020-04-05 15:55:35 -04:00
parent 9c44cae5b8
commit 985bb44559
7 changed files with 72 additions and 1 deletions
@@ -338,6 +338,7 @@ class UpdatesController : NucleusController<UpdatesPresenter>(),
    override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
        when (item.itemId) {
            R.id.action_select_all -> selectAll()
+            R.id.action_select_inverse -> selectInverse()
            R.id.action_download -> downloadChapters(getSelectedChapters())
            R.id.action_delete -> ConfirmDeleteChaptersDialog(this, getSelectedChapters())
                    .showDialog(router)
@@ -364,4 +365,13 @@ class UpdatesController : NucleusController<UpdatesPresenter>(),
        adapter.selectAll()
        actionMode?.invalidate()
    }
+
+    private fun selectInverse() {
+        val adapter = adapter ?: return
+        for (i in 0..adapter.itemCount) {
+            adapter.toggleSelection(i)
+        }
+        actionMode?.invalidate()
+        adapter.notifyDataSetChanged()
+    }
 }