From cf0440a8db15e0307c183f129e7f052607ea4e4b Mon Sep 17 00:00:00 2001
From: Stefan Zermatten <stefanzermatten@gmail.com>
Date: Wed, 6 Feb 2019 13:43:11 +0200
Subject: [PATCH] Added color picker

---
 app/imports/ui/StoryBook.vue                  |   2 +
 .../ui/components/ColorPicker.Story.vue       |  26 +++
 app/imports/ui/components/ColorPicker.vue     | 189 ++++++++++++++++++
 app/imports/ui/utility/swapCase.js            |   7 +
 4 files changed, 224 insertions(+)
 create mode 100644 app/imports/ui/components/ColorPicker.Story.vue
 create mode 100644 app/imports/ui/components/ColorPicker.vue
 create mode 100644 app/imports/ui/utility/swapCase.js

diff --git a/app/imports/ui/StoryBook.vue b/app/imports/ui/StoryBook.vue
index 31d54bd9..1c5a01df 100644
--- a/app/imports/ui/StoryBook.vue
+++ b/app/imports/ui/StoryBook.vue
@@ -41,6 +41,7 @@
 	import AbilityListTile from '/imports/ui/components/AbilityListTile.Story.vue';
 	import AttributeCard from '/imports/ui/components/AttributeCard.Story.vue';
 	import AttributeEdit from '/imports/ui/components/AttributeEdit.Story.vue';
+	import ColorPicker from '/imports/ui/components/ColorPicker.Story.vue';
 	import ColumnLayout from "/imports/ui/components/ColumnLayout.Story.vue";
 	import DialogStack from '/imports/ui/dialogStack/DialogStack.Story.vue';
 	import EffectEdit from '/imports/ui/components/EffectEdit.Story.vue';
@@ -55,6 +56,7 @@
 			AbilityListTile,
 			AttributeCard,
 			AttributeEdit,
+			ColorPicker,
 			ColumnLayout,
 			DialogStack,
 			EffectEdit,
diff --git a/app/imports/ui/components/ColorPicker.Story.vue b/app/imports/ui/components/ColorPicker.Story.vue
new file mode 100644
index 00000000..3b3da569
--- /dev/null
+++ b/app/imports/ui/components/ColorPicker.Story.vue
@@ -0,0 +1,26 @@
+<template lang="html">
+	<v-layout justify-center>
+		<color-picker v-model="color"/>
+	</v-layout>
+</template>
+
+<script>
+	import ColorPicker from '/imports/ui/components/ColorPicker.vue';
+
+	export default {
+		data(){ return {
+			color: '#CE93D8',
+		}},
+		components: {
+			ColorPicker,
+		},
+		watch: {
+			color(newColor){
+				console.log(`%c${newColor}`, `background: ${newColor};`);
+			},
+		},
+	};
+</script>
+
+<style lang="css" scoped>
+</style>
diff --git a/app/imports/ui/components/ColorPicker.vue b/app/imports/ui/components/ColorPicker.vue
new file mode 100644
index 00000000..e67656ff
--- /dev/null
+++ b/app/imports/ui/components/ColorPicker.vue
@@ -0,0 +1,189 @@
+<template lang="html">
+	<v-menu
+		:close-on-content-click="false"
+    transition="slide-y-transition"
+		lazy
+		v-model="opened"
+	>
+		<v-btn
+		  slot="activator"
+			icon
+		>
+		  <v-icon>format_paint</v-icon>
+		</v-btn>
+		<div class="white overflow-hidden">
+			<v-item-group v-model="color" mandatory>
+	      <v-layout row wrap>
+          <v-item
+						v-for="kebabColorOption in colors"
+	          :key="kebabColorOption"
+						:value="kebabToCamelCase(kebabColorOption)"
+					>
+            <div
+              slot-scope="{ active, toggle }"
+              :class="[kebabColorOption, kebabShade]"
+							class="color-swatch d-flex align-center"
+              @click="toggle"
+            >
+              <v-scroll-y-transition>
+                <v-icon
+                  v-if="active"
+									:dark="isDark(kebabColorOption, kebabShade)"
+                >
+                  check
+                </v-icon>
+              </v-scroll-y-transition>
+            </div>
+          </v-item>
+					<div class="spacer" v-for="i in 8"/>
+	      </v-layout>
+		  </v-item-group>
+			<v-item-group class="mt-2" v-model="shade" mandatory>
+	      <v-layout wrap>
+          <v-item
+						v-for="kebabShadeOption in shades"
+						:key="kebabShadeOption"
+						:value="kebabToCamelCase(kebabShadeOption)"
+					>
+            <div
+              slot-scope="{ active, toggle }"
+              :class="[kebabColor, kebabShadeOption]"
+							class="shade-swatch d-flex align-center"
+              @click="toggle"
+            >
+              <v-scroll-y-transition>
+                <v-icon
+                  v-if="active"
+									:dark="isDark(kebabColor, kebabShadeOption)"
+                >
+                  check
+                </v-icon>
+              </v-scroll-y-transition>
+            </div>
+          </v-item>
+					<div class="spacer" v-for="i in 8"/>
+	      </v-layout>
+		  </v-item-group>
+			<v-layout row class="mt-2">
+				<v-spacer/>
+				<v-btn flat @click="opened = false">Done</v-btn>
+			</v-layout>
+		</div>
+  </v-menu>
+</template>
+
+<script>
+	import isDarkColor from '/imports/ui/utility/isDarkColor.js';
+	import vuetifyColors from 'vuetify/es5/util/colors';
+	import { kebabToCamelCase, camelToKebabCase } from '/imports/ui/utility/swapCase.js';
+
+	function colorToHex(color, shade = 'base'){
+		color = kebabToCamelCase(color);
+		shade = kebabToCamelCase(shade);
+		return vuetifyColors[color][shade];
+	};
+
+	// Create an index of hex colors and what color/shade combination makes them
+	let colorIndex = {};
+	for (let color in vuetifyColors){
+		for (let shade in vuetifyColors[color]){
+			colorIndex[vuetifyColors[color][shade]] = {color, shade};
+		}
+	}
+	function hexToColor(hex){
+		return colorIndex[hex.toLowerCase()];
+	};
+
+	export default {
+		props: {
+			value: String, //hex string
+		},
+		data(){ return {
+			colors: [
+				'red',
+				'pink',
+				'purple',
+				'deep-purple',
+				'indigo',
+				'blue',
+				'light-blue',
+				'cyan',
+				'teal',
+				'green',
+				'light-green',
+				'lime',
+				'yellow',
+				'amber',
+				'orange',
+				'deep-orange',
+				'brown',
+				'grey',
+			],
+			shades: [
+				'lighten-4',
+				'lighten-3',
+				'lighten-2',
+				'lighten-1',
+				'base',
+				'darken-1',
+				'darken-2',
+				'darken-3',
+				'darken-4',
+			],
+			opened: false,
+		}},
+		methods: {
+			isDark(kebabColor, kebabShade){
+				color = colorToHex(kebabColor, kebabShade);
+				return isDarkColor(color);
+			},
+			kebabToCamelCase,
+		},
+		computed: {
+			combination (){
+				return hexToColor(this.value) || {};
+			},
+			color: {
+				get(){
+					return this.combination.color;
+				},
+				set(newColor){
+					this.$emit('input', colorToHex(newColor, this.shade));
+				},
+			},
+			shade: {
+				get(){
+					return this.combination.shade;
+				},
+				set(newShade){
+					this.$emit('input', colorToHex(this.color, newShade));
+				},
+			},
+			kebabColor(){
+				return camelToKebabCase(this.color);
+			},
+			kebabShade(){
+				return camelToKebabCase(this.shade);
+			},
+		},
+	};
+</script>
+
+<style lang="css" scoped>
+	.color-swatch, .shade-swatch {
+		height: 30px;
+		width: 30px;
+		flex-grow: 1;
+	}
+	.v-icon {
+		height: 30px;
+	}
+	.layout {
+		max-width: 270px;
+	}
+	.spacer {
+		width: 30px;
+		height: 0;
+		flex-grow: 1;
+	}
+</style>
diff --git a/app/imports/ui/utility/swapCase.js b/app/imports/ui/utility/swapCase.js
new file mode 100644
index 00000000..55a377ef
--- /dev/null
+++ b/app/imports/ui/utility/swapCase.js
@@ -0,0 +1,7 @@
+export function kebabToCamelCase(string){
+  return string.replace(/-([a-z0-9])/g, g => g[1].toUpperCase());
+};
+
+export function camelToKebabCase(string){
+  return string.replace(/([a-z][A-Z0-9])/g, g => g[0] + '-' + g[1].toLowerCase());
+};