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bytedesk_kefu/lib/vendors/emoji_picker_flutter/src/config.dart

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+import 'dart:math';
+
+import '../src/category_icons.dart';
+import '../src/emoji_picker.dart';
+import 'package:flutter/material.dart';
+
+/// Default Widget if no recent is available
+const DefaultNoRecentsWidget = Text(
+  'No Recents',
+  style: TextStyle(fontSize: 20, color: Colors.black26),
+  textAlign: TextAlign.center,
+);
+
+/// Config for customizations
+class Config {
+  /// Constructor
+  const Config(
+      {this.columns = 7,
+      this.emojiSizeMax = 32.0,
+      this.verticalSpacing = 0,
+      this.horizontalSpacing = 0,
+      this.gridPadding = EdgeInsets.zero,
+      this.initCategory = Category.RECENT,
+      this.bgColor = const Color(0xFFEBEFF2),
+      this.indicatorColor = Colors.blue,
+      this.iconColor = Colors.grey,
+      this.iconColorSelected = Colors.blue,
+      this.progressIndicatorColor = Colors.blue,
+      this.backspaceColor = Colors.blue,
+      this.skinToneDialogBgColor = Colors.white,
+      this.skinToneIndicatorColor = Colors.grey,
+      this.enableSkinTones = true,
+      this.showRecentsTab = true,
+      this.recentsLimit = 28,
+      this.replaceEmojiOnLimitExceed = false,
+      this.noRecents = DefaultNoRecentsWidget,
+      this.tabIndicatorAnimDuration = kTabScrollDuration,
+      this.categoryIcons = const CategoryIcons(),
+      this.buttonMode = ButtonMode.MATERIAL});
+
+  /// Number of emojis per row
+  final int columns;
+
+  /// Width and height the emoji will be maximal displayed
+  /// Can be smaller due to screen size and amount of columns
+  final double emojiSizeMax;
+
+  /// Verical spacing between emojis
+  final double verticalSpacing;
+
+  /// Horizontal spacing between emojis
+  final double horizontalSpacing;
+
+  /// The initial [Category] that will be selected
+  /// This [Category] will have its button in the bottombar darkened
+  final Category initCategory;
+
+  /// The background color of the Widget
+  final Color bgColor;
+
+  /// The color of the category indicator
+  final Color indicatorColor;
+
+  /// The color of the category icons
+  final Color iconColor;
+
+  /// The color of the category icon when selected
+  final Color iconColorSelected;
+
+  /// The color of the loading indicator during initalization
+  final Color progressIndicatorColor;
+
+  /// The color of the backspace icon button
+  final Color backspaceColor;
+
+  /// The background color of the skin tone dialog
+  final Color skinToneDialogBgColor;
+
+  /// Color of the small triangle next to multiple skin tone emoji
+  final Color skinToneIndicatorColor;
+
+  /// Enable feature to select a skin tone of certain emoji's
+  final bool enableSkinTones;
+
+  /// Show extra tab with recently used emoji
+  final bool showRecentsTab;
+
+  /// Limit of recently used emoji that will be saved
+  final int recentsLimit;
+
+  /// A widget (usually [Text]) to be displayed if no recent emojis to display
+  final Widget noRecents;
+
+  /// Duration of tab indicator to animate to next category
+  final Duration tabIndicatorAnimDuration;
+
+  /// Determines the icon to display for each [Category]
+  final CategoryIcons categoryIcons;
+
+  /// Change between Material and Cupertino button style
+  final ButtonMode buttonMode;
+
+  /// The padding of GridView, default is [EdgeInsets.zero]
+  final EdgeInsets gridPadding;
+
+  /// Replace latest emoji on recents list on limit exceed
+  final bool replaceEmojiOnLimitExceed;
+
+  /// Get Emoji size based on properties and screen width
+  double getEmojiSize(double width) {
+    final maxSize = width / columns;
+    return min(maxSize, emojiSizeMax);
+  }
+
+  /// Returns the icon for the category
+  IconData getIconForCategory(Category category) {
+    switch (category) {
+      case Category.RECENT:
+        return categoryIcons.recentIcon;
+      case Category.SMILEYS:
+        return categoryIcons.smileyIcon;
+      case Category.ANIMALS:
+        return categoryIcons.animalIcon;
+      case Category.FOODS:
+        return categoryIcons.foodIcon;
+      case Category.TRAVEL:
+        return categoryIcons.travelIcon;
+      case Category.ACTIVITIES:
+        return categoryIcons.activityIcon;
+      case Category.OBJECTS:
+        return categoryIcons.objectIcon;
+      case Category.SYMBOLS:
+        return categoryIcons.symbolIcon;
+      case Category.FLAGS:
+        return categoryIcons.flagIcon;
+      default:
+        throw Exception('Unsupported Category');
+    }
+  }
+
+  @override
+  bool operator ==(other) {
+    return (other is Config) &&
+        other.columns == columns &&
+        other.emojiSizeMax == emojiSizeMax &&
+        other.verticalSpacing == verticalSpacing &&
+        other.horizontalSpacing == horizontalSpacing &&
+        other.initCategory == initCategory &&
+        other.bgColor == bgColor &&
+        other.indicatorColor == indicatorColor &&
+        other.iconColor == iconColor &&
+        other.iconColorSelected == iconColorSelected &&
+        other.progressIndicatorColor == progressIndicatorColor &&
+        other.backspaceColor == backspaceColor &&
+        other.skinToneDialogBgColor == skinToneDialogBgColor &&
+        other.skinToneIndicatorColor == skinToneIndicatorColor &&
+        other.enableSkinTones == enableSkinTones &&
+        other.showRecentsTab == showRecentsTab &&
+        other.recentsLimit == recentsLimit &&
+        other.noRecents == noRecents &&
+        other.tabIndicatorAnimDuration == tabIndicatorAnimDuration &&
+        other.categoryIcons == categoryIcons &&
+        other.buttonMode == buttonMode &&
+        other.gridPadding == gridPadding &&
+        other.replaceEmojiOnLimitExceed == replaceEmojiOnLimitExceed;
+  }
+
+  @override
+  int get hashCode =>
+      columns.hashCode ^
+      emojiSizeMax.hashCode ^
+      verticalSpacing.hashCode ^
+      horizontalSpacing.hashCode ^
+      initCategory.hashCode ^
+      bgColor.hashCode ^
+      indicatorColor.hashCode ^
+      iconColor.hashCode ^
+      iconColorSelected.hashCode ^
+      progressIndicatorColor.hashCode ^
+      backspaceColor.hashCode ^
+      skinToneDialogBgColor.hashCode ^
+      skinToneIndicatorColor.hashCode ^
+      enableSkinTones.hashCode ^
+      showRecentsTab.hashCode ^
+      recentsLimit.hashCode ^
+      noRecents.hashCode ^
+      tabIndicatorAnimDuration.hashCode ^
+      categoryIcons.hashCode ^
+      buttonMode.hashCode ^
+      gridPadding.hashCode ^
+      replaceEmojiOnLimitExceed.hashCode;
+}