examples/calculator/src/android_calculator.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Aesthetic adaptations for Android
  16 module android_calculator
  17
  18 import calculator
  19 import android
  20
  21 redef class Button
  22         init do set_android_style(native, app.native_activity,
  23                                   (text or else "?").is_int,
  24                                   ["+","-","×","C","÷","=","."].has(text))
  25
  26         # Set color and text style
  27         private fun set_android_style(java_button: NativeButton, activity: NativeActivity,
  28                 is_number: Bool, is_basic_op: Bool)
  29         in "Java" `{
  30                 // Set color
  31                 int back_color_id = 0;
  32                 if (is_number)
  33                         back_color_id = R.color.pad_numeric_background_color;
  34                 else if (is_basic_op)
  35                         back_color_id = R.color.pad_operator_background_color;
  36                 else {
  37                         back_color_id = R.color.pad_advanced_background_color;
  38
  39                         int text_color = activity.getResources().getColor(R.color.pad_button_advanced_text_color);
  40                         java_button.setTextColor(text_color);
  41                 }
  42                 java_button.setBackgroundResource(back_color_id);
  43
  44                 // Center label, use lowercase and make text bigger
  45                 java_button.setGravity(android.view.Gravity.CENTER);
  46                 java_button.setAllCaps(false);
  47                 java_button.setTextSize(android.util.TypedValue.COMPLEX_UNIT_FRACTION, 100.0f);
  48         `}
  49 end
  50
  51 redef class TextInput
  52         init do set_android_style(native, app.native_activity)
  53
  54         # Set text style and hide cursor
  55         private fun set_android_style(java_edit_text: NativeEditText, activity: NativeActivity)
  56         in "Java" `{
  57                 java_edit_text.setBackgroundResource(R.color.display_background_color);
  58                 java_edit_text.setTextColor(
  59                         activity.getResources().getColor(R.color.display_formula_text_color));
  60                 java_edit_text.setTextSize(android.util.TypedValue.COMPLEX_UNIT_FRACTION, 120.0f);
  61                 java_edit_text.setCursorVisible(false);
  62                 java_edit_text.setGravity(android.view.Gravity.CENTER_VERTICAL | android.view.Gravity.END);
  63         `}
  64 end