diff options
| -rw-r--r-- | srcs/juloo.keyboard2/ListGroupPreference.java | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/srcs/juloo.keyboard2/ListGroupPreference.java b/srcs/juloo.keyboard2/ListGroupPreference.java index d7940c5..771bb1c 100644 --- a/srcs/juloo.keyboard2/ListGroupPreference.java +++ b/srcs/juloo.keyboard2/ListGroupPreference.java @@ -19,7 +19,8 @@ public abstract class ListGroupPreference extends PreferenceGroup { boolean _attached = false; List<String> _values; - AddButton _prev_add_button; + /** The "add" button currently displayed. */ + AddButton _add_button = null; public ListGroupPreference(Context context, AttributeSet attrs) { @@ -47,6 +48,14 @@ public abstract class ListGroupPreference extends PreferenceGroup return prev_btn; } + /** Called every time the list changes and allows to disable the "Remove" + buttons on every items. Might be used to enforce a minimum number of + items. */ + boolean should_allow_remove_item() + { + return true; + } + /** Called when an item is added or modified. Returns [null] to cancel the action. */ abstract void select(SelectionCallback callback); @@ -139,37 +148,40 @@ public abstract class ListGroupPreference extends PreferenceGroup if (!_attached) return; removeAll(); + boolean allow_remove_item = should_allow_remove_item(); int i = 0; for (String v : _values) { - Item item = this.new Item(getContext(), v); + Item item = this.new Item(getContext(), v, allow_remove_item); item.setTitle(label_of_value(v, i)); addPreference(item); i++; } - _prev_add_button = on_attach_add_button(_prev_add_button); - _prev_add_button.setOrder(Preference.DEFAULT_ORDER); - addPreference(_prev_add_button); + _add_button = on_attach_add_button(_add_button); + _add_button.setOrder(Preference.DEFAULT_ORDER); + addPreference(_add_button); } class Item extends Preference { final String _value; - public Item(Context ctx, String value) + public Item(Context ctx, String value, boolean allow_remove) { super(ctx); _value = value; setPersistent(false); - setWidgetLayoutResource(R.layout.pref_listgroup_item_widget); + if (allow_remove) + setWidgetLayoutResource(R.layout.pref_listgroup_item_widget); } @Override protected View onCreateView(ViewGroup parent) { View v = super.onCreateView(parent); - v.findViewById(R.id.pref_listgroup_remove_btn) - .setOnClickListener(new View.OnClickListener() { + View remove_btn = v.findViewById(R.id.pref_listgroup_remove_btn); + if (remove_btn != null) + remove_btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View _v) { |