Refactor: New namespace for preference classes

1 files changed, 177 insertions, 0 deletions

diff --git a/srcs/juloo.keyboard2/prefs/ExtraKeysPreference.java b/srcs/juloo.keyboard2/prefs/ExtraKeysPreference.java
new file mode 100644
index 0000000..47ca535
--- /dev/null
+++ b/srcs/juloo.keyboard2/prefs/ExtraKeysPreference.java
@@ -0,0 +1,177 @@
+package juloo.keyboard2.prefs;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.preference.CheckBoxPreference;
+import android.preference.PreferenceCategory;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import juloo.keyboard2.*;
+
+/** This class implements the "extra keys" preference but also defines the
+    possible extra keys. */
+public class ExtraKeysPreference extends PreferenceCategory
+{
+  /** Array of the keys that can be selected. */
+  public static String[] extra_keys = new String[]
+  {
+    "alt",
+    "meta",
+    "voice_typing",
+    "accent_aigu",
+    "accent_grave",
+    "accent_double_aigu",
+    "accent_dot_above",
+    "accent_circonflexe",
+    "accent_tilde",
+    "accent_cedille",
+    "accent_trema",
+    "accent_ring",
+    "accent_caron",
+    "accent_macron",
+    "accent_ogonek",
+    "accent_breve",
+    "accent_slash",
+    "accent_bar",
+    "accent_dot_below",
+    "accent_hook_above",
+    "accent_horn",
+    "€",
+    "ß",
+    "£",
+    "§",
+    "†",
+    "ª",
+    "º",
+    "page_up",
+    "page_down",
+    "home",
+    "end",
+    "switch_greekmath",
+    "capslock",
+    "copy",
+    "paste",
+    "cut",
+    "selectAll",
+    "shareText",
+    "pasteAsPlainText",
+    "undo",
+    "redo",
+    "superscript",
+    "subscript",
+  };
+
+  /** Whether an extra key is enabled by default. */
+  public static boolean default_checked(String name)
+  {
+    switch (name)
+    {
+      case "voice_typing":
+        return true;
+      default:
+        return false;
+    }
+  }
+
+  /** Text that describe a key. Might be null. */
+  static String key_description(Resources res, String name)
+  {
+    int id = 0;
+    switch (name)
+    {
+      case "capslock": id = R.string.key_descr_capslock; break;
+      case "switch_greekmath": id = R.string.key_descr_switch_greekmath; break;
+      case "voice_typing": id = R.string.key_descr_voice_typing; break;
+      case "copy": id = R.string.key_descr_copy; break;
+      case "paste": id = R.string.key_descr_paste; break;
+      case "cut": id = R.string.key_descr_cut; break;
+      case "selectAll": id = R.string.key_descr_selectAll; break;
+      case "shareText": id = R.string.key_descr_shareText; break;
+      case "pasteAsPlainText": id = R.string.key_descr_pasteAsPlainText; break;
+      case "undo": id = R.string.key_descr_undo; break;
+      case "redo": id = R.string.key_descr_redo; break;
+      case "ª": id = R.string.key_descr_ª; break;
+      case "º": id = R.string.key_descr_º; break;
+      case "superscript": id = R.string.key_descr_superscript; break;
+      case "subscript": id = R.string.key_descr_subscript; break;
+      case "page_up": id = R.string.key_descr_page_up; break;
+      case "page_down": id = R.string.key_descr_page_down; break;
+      case "home": id = R.string.key_descr_home; break;
+      case "end": id = R.string.key_descr_end; break;
+    }
+    if (id == 0)
+      return null;
+    return res.getString(id);
+  }
+
+  /** Get the set of enabled extra keys. */
+  public static Map<KeyValue, KeyboardData.PreferredPos> get_extra_keys(SharedPreferences prefs)
+  {
+    Map<KeyValue, KeyboardData.PreferredPos> ks =
+      new HashMap<KeyValue, KeyboardData.PreferredPos>();
+    for (String key_name : extra_keys)
+    {
+      if (prefs.getBoolean(pref_key_of_key_name(key_name),
+            default_checked(key_name)))
+        ks.put(KeyValue.getKeyByName(key_name), KeyboardData.PreferredPos.DEFAULT);
+    }
+    return ks;
+  }
+
+  boolean _attached = false; /** Whether it has already been attached. */
+
+  public ExtraKeysPreference(Context context, AttributeSet attrs)
+  {
+    super(context, attrs);
+    setOrderingAsAdded(true);
+  }
+
+  @Override
+  protected void onAttachedToActivity()
+  {
+    if (_attached)
+      return;
+    _attached = true;
+    for (String key_name : extra_keys)
+      addPreference(new ExtraKeyCheckBoxPreference(getContext(), key_name,
+            default_checked(key_name)));
+  }
+
+  public static String pref_key_of_key_name(String key_name)
+  {
+    return "extra_key_" + key_name;
+  }
+
+  static class ExtraKeyCheckBoxPreference extends CheckBoxPreference
+  {
+    boolean _key_font;
+
+    public ExtraKeyCheckBoxPreference(Context ctx, String key_name,
+        boolean default_checked)
+    {
+      super(ctx);
+      KeyValue kv = KeyValue.getKeyByName(key_name);
+      String title = kv.getString();
+      String descr = key_description(ctx.getResources(), key_name);
+      if (descr != null)
+        title += " (" + descr + ")";
+      setKey(pref_key_of_key_name(key_name));
+      setDefaultValue(default_checked);
+      setTitle(title);
+      _key_font = kv.hasFlags(KeyValue.FLAG_KEY_FONT);
+    }
+
+    @Override
+    protected void onBindView(View view)
+    {
+      super.onBindView(view);
+      TextView title = (TextView)view.findViewById(android.R.id.title);
+      title.setTypeface(_key_font ? Theme.getKeyFont(getContext()) : null);
+    }
+  }
+}