Refactor: New namespace for preference classes

1 files changed, 0 insertions, 293 deletions

diff --git a/srcs/juloo.keyboard2/ListGroupPreference.java b/srcs/juloo.keyboard2/ListGroupPreference.java
deleted file mode 100644
index 075b38c..0000000
--- a/srcs/juloo.keyboard2/ListGroupPreference.java
+++ /dev/null
@@ -1,293 +0,0 @@
-package juloo.keyboard2;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.preference.Preference;
-import android.preference.PreferenceGroup;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.ViewGroup;
-import java.util.ArrayList;
-import java.util.List;
-import org.json.JSONArray;
-import org.json.JSONException;
-
-/** A list of preferences where the users can add items to the end and modify
-    and remove items. Backed by a string list. Implement user selection in
-    [select()]. */
-public abstract class ListGroupPreference<E> extends PreferenceGroup
-{
-  boolean _attached = false;
-  List<E> _values;
-  /** The "add" button currently displayed. */
-  AddButton _add_button = null;
-
-  public ListGroupPreference(Context context, AttributeSet attrs)
-  {
-    super(context, attrs);
-    setOrderingAsAdded(true);
-    setLayoutResource(R.layout.pref_listgroup_group);
-    _values = new ArrayList<E>();
-  }
-
-  /** Overrideable */
-
-  /** The label to display on the item for a given value. */
-  abstract String label_of_value(E value, int i);
-
-  /** Called every time the list changes and allows to change the "Add" button
-      appearance.
-      [prev_btn] is the previously attached button, might be null. */
-  AddButton on_attach_add_button(AddButton prev_btn)
-  {
-    if (prev_btn == null)
-      return new AddButton(getContext());
-    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(E _value)
-  {
-    return true;
-  }
-
-  /** Called when an item is added or modified. */
-  abstract void select(SelectionCallback<E> callback);
-
-  /** Called when an item is modified. */
-  void select(SelectionCallback<E> callback, E _old_value)
-  {
-    select(callback);
-  }
-
-  /** A separate class is used as the same serializer must be used in the
-      static context. See [Serializer] below. */
-  abstract Serializer<E> get_serializer();
-
-  /** Load/save utils */
-
-  /** Read a value saved by preference from a [SharedPreferences] object.
-      [serializer] must be the same that is returned by [get_serializer()].
-      Returns [null] on error. */
-  static <E> List<E> load_from_preferences(String key,
-      SharedPreferences prefs, List<E> def, Serializer<E> serializer)
-  {
-    String s = prefs.getString(key, null);
-    return (s != null) ? load_from_string(s, serializer) : def;
-  }
-
-  /** Save items into the preferences. Does not call [prefs.commit()]. */
-  static <E> void save_to_preferences(String key, SharedPreferences.Editor prefs, List<E> items, Serializer<E> serializer)
-  {
-    prefs.putString(key, save_to_string(items, serializer));
-  }
-
-  /** Decode a list of string previously encoded with [save_to_string]. Returns
-      [null] on error. */
-  static <E> List<E> load_from_string(String inp, Serializer<E> serializer)
-  {
-    try
-    {
-      List<E> l = new ArrayList<E>();
-      JSONArray arr = new JSONArray(inp);
-      for (int i = 0; i < arr.length(); i++)
-        l.add(serializer.load_item(arr.get(i)));
-      return l;
-    }
-    catch (JSONException e)
-    {
-      Logs.exn("load_from_string", e);
-      return null;
-    }
-  }
-
-  /** Encode a list of string so it can be passed to
-      [Preference.persistString()]. Decode with [load_from_string]. */
-  static <E> String save_to_string(List<E> items, Serializer<E> serializer)
-  {
-    List<Object> serialized_items = new ArrayList<Object>();
-    for (E it : items)
-    {
-      try
-      {
-        serialized_items.add(serializer.save_item(it));
-      }
-      catch (JSONException e)
-      {
-        Logs.exn("save_to_string", e);
-      }
-    }
-    return (new JSONArray(serialized_items)).toString();
-  }
-
-  /** Protected API */
-
-  /** Set the values. If [persist] is [true], persist into the store. */
-  void set_values(List<E> vs, boolean persist)
-  {
-    _values = vs;
-    reattach();
-    if (persist)
-      persistString(save_to_string(vs, get_serializer()));
-  }
-
-  void add_item(E v)
-  {
-    _values.add(v);
-    set_values(_values, true);
-  }
-
-  void change_item(int i, E v)
-  {
-    _values.set(i, v);
-    set_values(_values, true);
-  }
-
-  void remove_item(int i)
-  {
-    _values.remove(i);
-    set_values(_values, true);
-  }
-
-  /** Internal */
-
-  @Override
-  protected void onSetInitialValue(boolean restoreValue, Object defaultValue)
-  {
-    String input = (restoreValue) ? getPersistedString(null) : (String)defaultValue;
-    if (input != null)
-    {
-      List<E> values = load_from_string(input, get_serializer());
-      if (values != null)
-        set_values(values, false);
-    }
-  }
-
-  @Override
-  protected void onAttachedToActivity()
-  {
-    super.onAttachedToActivity();
-    if (_attached)
-      return;
-    _attached = true;
-    reattach();
-  }
-
-  void reattach()
-  {
-    if (!_attached)
-      return;
-    removeAll();
-    int i = 0;
-    for (E v : _values)
-    {
-      addPreference(this.new Item(getContext(), i, v));
-      i++;
-    }
-    _add_button = on_attach_add_button(_add_button);
-    _add_button.setOrder(Preference.DEFAULT_ORDER);
-    addPreference(_add_button);
-  }
-
-  class Item extends Preference
-  {
-    final E _value;
-    final int _index;
-
-    public Item(Context ctx, int index, E value)
-    {
-      super(ctx);
-      _value = value;
-      _index = index;
-      setPersistent(false);
-      setTitle(label_of_value(value, index));
-      if (should_allow_remove_item(value))
-        setWidgetLayoutResource(R.layout.pref_listgroup_item_widget);
-    }
-
-    @Override
-    protected View onCreateView(ViewGroup parent)
-    {
-      View v = super.onCreateView(parent);
-      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)
-          {
-            remove_item(_index);
-          }
-        });
-      v.setOnClickListener(new View.OnClickListener() {
-        @Override
-        public void onClick(View _v)
-        {
-          select(new SelectionCallback<E>() {
-            public void select(E value)
-            {
-              if (value == null)
-                remove_item(_index);
-              else
-                change_item(_index, value);
-            }
-
-            public boolean allow_remove() { return true; }
-          }, _value);
-        }
-      });
-      return v;
-    }
-  }
-
-  class AddButton extends Preference
-  {
-    public AddButton(Context ctx)
-    {
-      super(ctx);
-      setPersistent(false);
-      setLayoutResource(R.layout.pref_listgroup_add_btn);
-    }
-
-    @Override
-    protected void onClick()
-    {
-      select(new SelectionCallback<E>() {
-        public void select(E value)
-        {
-          add_item(value);
-        }
-
-        public boolean allow_remove() { return false; }
-      });
-    }
-  }
-
-  public interface SelectionCallback<E>
-  {
-    public void select(E value);
-
-    /** If this method returns [true], [null] might be passed to [select] to
-        remove the item. */
-    public boolean allow_remove();
-  }
-
-  /** Methods for serializing and deserializing abstract items.
-      [StringSerializer] is an implementation. */
-  public interface Serializer<E>
-  {
-    /** [obj] is an object returned by [save_item()]. */
-    E load_item(Object obj) throws JSONException;
-
-    /** Serialize an item into JSON. Might return an object that can be inserted
-        in a [JSONArray]. */
-    Object save_item(E v) throws JSONException;
-  }
-
-  public static class StringSerializer implements Serializer<String>
-  {
-    public String load_item(Object obj) { return (String)obj; }
-    public Object save_item(String v) { return v; }
-  }
-}