From 4ef62452ef2337ebbd18950ebd177be206e25388 Mon Sep 17 00:00:00 2001
From: Conor_Mack <cmckeown101@gmail.com>
Date: Sun, 31 May 2020 20:55:51 +0100
Subject: [PATCH] Palette, Slider Components and Util Updates

---
 .../Colorpicker/Colorpicker.svelte            |  32 ++++
 .../userInterface/Colorpicker/Palette.svelte  |  49 ++++++
 .../userInterface/Colorpicker/Slider.svelte   |  87 +++++++++++
 .../userInterface/Colorpicker/drag.js         |  23 +++
 .../userInterface/Colorpicker/index.js        |   2 +
 .../userInterface/Colorpicker/utils.js        | 146 ++++++++++++++++++
 .../Colorpicker/utils/HSVAColor.js            |  66 --------
 .../userInterface/Colorpicker/utils/utils.js  | 108 -------------
 8 files changed, 339 insertions(+), 174 deletions(-)
 create mode 100644 packages/builder/src/components/userInterface/Colorpicker/Palette.svelte
 create mode 100644 packages/builder/src/components/userInterface/Colorpicker/Slider.svelte
 create mode 100644 packages/builder/src/components/userInterface/Colorpicker/drag.js
 create mode 100644 packages/builder/src/components/userInterface/Colorpicker/index.js
 create mode 100644 packages/builder/src/components/userInterface/Colorpicker/utils.js
 delete mode 100644 packages/builder/src/components/userInterface/Colorpicker/utils/HSVAColor.js
 delete mode 100644 packages/builder/src/components/userInterface/Colorpicker/utils/utils.js

diff --git a/packages/builder/src/components/userInterface/Colorpicker/Colorpicker.svelte b/packages/builder/src/components/userInterface/Colorpicker/Colorpicker.svelte
index e69de29bb2..db70f3ad64 100644
--- a/packages/builder/src/components/userInterface/Colorpicker/Colorpicker.svelte
+++ b/packages/builder/src/components/userInterface/Colorpicker/Colorpicker.svelte
@@ -0,0 +1,32 @@
+<script>
+  import Slider from "./Slider.svelte";
+  import Palette from "./Palette.svelte";
+
+  export let value = "#00000000";
+
+  let h = 0;
+  let s = 0;
+  let v = 0;
+  let a = 1;
+</script>
+
+<style>
+  .colorpicker-container {
+    display: flex;
+    flex-direction: column;
+    height: 300px;
+    width: 250px;
+    background: #ffffff;
+    border: 1px solid #e8e8ef;
+    border-radius: 2px;
+  }
+</style>
+
+<div class="colorpicker-container">
+
+  <Palette {h} {a} />
+
+  <Slider type="hue" on:change={hue => (h = hue.detail)} />
+
+  <Slider type="alpha" on:change={alpha => (a = alpha.detail)} />
+</div>
diff --git a/packages/builder/src/components/userInterface/Colorpicker/Palette.svelte b/packages/builder/src/components/userInterface/Colorpicker/Palette.svelte
new file mode 100644
index 0000000000..4a4decfda8
--- /dev/null
+++ b/packages/builder/src/components/userInterface/Colorpicker/Palette.svelte
@@ -0,0 +1,49 @@
+<script>
+  import { onMount } from "svelte";
+  export let h,
+    a = 0;
+
+  let palette;
+  let dimensions;
+
+  onMount(() => {
+    if (palette) {
+      dimensions = palette.getBoundingClientRect();
+    }
+  });
+
+  function handleClick(event) {
+    const { left, top, width, height } = dimensions;
+    let pickerX = (event.clientX - left) / width;
+    let pickerY = (event.clientY - top) / height;
+    //Saturation - adds white: pickerX * 100
+    //value - adds black: 100 - pickerY * 100
+    console.log("X", pickerX, "Y", pickerY);
+  }
+
+  $: paletteGradient = `linear-gradient(to top, rgba(0, 0, 0, 1), transparent),
+    linear-gradient(to left, hsla(${h}, 100%, 50%, ${a}), rgba(255, 255, 255, ${a}))
+  `;
+  $: style = `background: ${paletteGradient};`;
+</script>
+
+<style>
+  .palette {
+    position: relative;
+    width: 100%;
+    height: 175px;
+  }
+
+  .picker {
+    position: absolute;
+    width: 16px;
+    height: 16px;
+    background: transparent;
+    border: 2px solid white;
+    border-radius: 50%;
+  }
+</style>
+
+<div bind:this={palette} on:click={handleClick} class="palette" {style}>
+  <div class="picker" />
+</div>
diff --git a/packages/builder/src/components/userInterface/Colorpicker/Slider.svelte b/packages/builder/src/components/userInterface/Colorpicker/Slider.svelte
new file mode 100644
index 0000000000..82e00baa93
--- /dev/null
+++ b/packages/builder/src/components/userInterface/Colorpicker/Slider.svelte
@@ -0,0 +1,87 @@
+<script>
+  import { onMount, createEventDispatcher } from "svelte";
+  import dragable from "./drag.js";
+
+  export let type = "hue";
+
+  const dispatch = createEventDispatcher();
+
+  let slider;
+  let dimensions = {};
+  let thumbPosition = 0;
+
+  onMount(() => {
+    if (slider) {
+      dimensions = slider.getBoundingClientRect();
+    }
+  });
+
+  function handleClick(mouseX) {
+    const { left, width } = dimensions;
+    let clickPosition = mouseX - left;
+    debugger;
+    if (clickPosition >= 0 && clickPosition <= width) {
+      thumbPosition = clickPosition;
+      let percentageClick = thumbPosition / width;
+      let value =
+        type === "hue"
+          ? Math.round(360 * percentageClick).toString()
+          : percentageClick.toFixed(2);
+      dispatch("change", value);
+    }
+  }
+
+  $: style = `transform: translateX(${thumbPosition - 6}px);`;
+</script>
+
+<style>
+  .color-format-slider {
+    position: relative;
+    align-self: center;
+    height: 8px;
+    width: 220px;
+    border-radius: 10px;
+    margin: 10px 0px;
+    border: 1px solid #e8e8ef;
+  }
+
+  .hue {
+    background: linear-gradient(
+      to right,
+      hsl(0, 100%, 50%),
+      hsl(60, 100%, 50%),
+      hsl(120, 100%, 50%),
+      hsl(180, 100%, 50%),
+      hsl(240, 100%, 50%),
+      hsl(300, 100%, 50%),
+      hsl(360, 100%, 50%)
+    );
+  }
+
+  .alpha {
+    background: linear-gradient(to right, transparent, rgb(0 0 0));
+  }
+
+  .slider-thumb {
+    position: absolute;
+    bottom: -3px;
+    height: 12px;
+    width: 12px;
+    border: 1px solid black;
+    border-radius: 50%;
+    background-color: #ffffff;
+  }
+</style>
+
+<div
+  bind:this={slider}
+  on:click={event => handleClick(event.clientX)}
+  class="color-format-slider"
+  class:hue={type === 'hue'}
+  class:alpha={type === 'alpha'}>
+  <div
+    use:dragable
+    on:drag={e => handleClick(e.detail)}
+    class="slider-thumb"
+    {style} />
+</div>
diff --git a/packages/builder/src/components/userInterface/Colorpicker/drag.js b/packages/builder/src/components/userInterface/Colorpicker/drag.js
new file mode 100644
index 0000000000..eb15c8d4fb
--- /dev/null
+++ b/packages/builder/src/components/userInterface/Colorpicker/drag.js
@@ -0,0 +1,23 @@
+export default function(node) {
+	function handleMouseDown() {
+		window.addEventListener('mousemove', handleMouseMove);
+		window.addEventListener('mouseup', handleMouseUp);
+	}
+
+	function handleMouseMove(event) {
+		let mouseX = event.clientX;
+		console.log(mouseX);
+		node.dispatchEvent(
+			new CustomEvent('drag', {
+				detail: mouseX
+			})
+		);
+	}
+
+	function handleMouseUp() {
+		window.removeEventListener('mousedown', handleMouseDown);
+		window.removeEventListener('mousemove', handleMouseMove);
+	}
+
+	node.addEventListener('mousedown', handleMouseDown);
+}
diff --git a/packages/builder/src/components/userInterface/Colorpicker/index.js b/packages/builder/src/components/userInterface/Colorpicker/index.js
new file mode 100644
index 0000000000..ad8187a09b
--- /dev/null
+++ b/packages/builder/src/components/userInterface/Colorpicker/index.js
@@ -0,0 +1,2 @@
+import Colorpicker from './Colorpicker.svelte';
+export default Colorpicker;
diff --git a/packages/builder/src/components/userInterface/Colorpicker/utils.js b/packages/builder/src/components/userInterface/Colorpicker/utils.js
new file mode 100644
index 0000000000..98bb96d259
--- /dev/null
+++ b/packages/builder/src/components/userInterface/Colorpicker/utils.js
@@ -0,0 +1,146 @@
+export const getRgbaValues = (rgbaString) => rgbaString.replace(/[a-z()\s]/gi, '').split(',');
+
+export const getHexaValues = (hexString) => hexString.match(/[A-F]{2}|[A-F]\d{1}|\d{2}|\d[A-F]/gi);
+
+export const isValidRgba = (rgba) => {
+	let [ r, g, b, a = 1 ] = rgba;
+
+	let isValidLengthRange = rgba.length === 3 || rgba.length === 4;
+	let isValidColorRange = [ r, g, b ].every((v) => v >= 0 && v <= 255);
+	let isValidAlphaRange = rgba.length === 3 || (a >= 0 && a <= 1);
+
+	return isValidLengthRange && isValidColorRange && isValidAlphaRange;
+};
+
+export const determineColorType = (color) => {
+	let hsva = [];
+	if (color.startsWith('#')) {
+		let [ rHex, gHex, bHex, aHex ] = getHexaValues(color);
+		hsva = hexaToHSVA([ rHex, gHex, bHex ], aHex);
+	} else if (color.startsWith('rgb')) {
+		let rgba = getRgbaValues(color);
+		hsva = rgbaToHSVA(rgba);
+	}
+};
+
+export const getHSLA = (hsv, a) => {
+	const [ h, s, l ] = hsvToHSL(hsv);
+	return `hsla(${h}, ${s}, ${l}, ${a})`;
+};
+
+export const hexaToHSVA = (hex, alpha = 'FF') => {
+	const rgba = hex.map((v) => parseInt(v, 16)).concat((parseInt(alpha, 16) / 255).toFixed(1));
+	return rgbaToHSVA(rgba);
+};
+
+export const rgbaToHSVA = (rgba) => {
+	if (isValidRgba(rgba)) {
+		const [ r, g, b, a = '1' ] = rgba;
+		let hsv = rgbToHSV([ r, g, b ]);
+		return [ ...hsv, a ];
+	}
+};
+
+export const hsvaToHexa = () => {
+	const [ r, g, b, a ] = hsvaToRgba();
+	const hexa = [ r, g, b ].map((v) => v.toString(16)).concat((a * 255).toFixed(1).toString(16));
+	return hexa;
+};
+
+export const hsvaToRgba = (h, s, v, a) => {
+	let rgb = _hsvToRgb([ h, s, v ]);
+	return [ ...rgb, a ];
+};
+
+//Credit : https://github.com/Qix-/color-convert
+export const _rgbToHSV = (rgb) => {
+	let rdif;
+	let gdif;
+	let bdif;
+	let h;
+	let s;
+
+	const r = rgb[0] / 255;
+	const g = rgb[1] / 255;
+	const b = rgb[2] / 255;
+	const v = Math.max(r, g, b);
+	const diff = v - Math.min(r, g, b);
+	const diffc = function(c) {
+		return (v - c) / 6 / diff + 1 / 2;
+	};
+
+	if (diff === 0) {
+		h = 0;
+		s = 0;
+	} else {
+		s = diff / v;
+		rdif = diffc(r);
+		gdif = diffc(g);
+		bdif = diffc(b);
+
+		if (r === v) {
+			h = bdif - gdif;
+		} else if (g === v) {
+			h = 1 / 3 + rdif - bdif;
+		} else if (b === v) {
+			h = 2 / 3 + gdif - rdif;
+		}
+
+		if (h < 0) {
+			h += 1;
+		} else if (h > 1) {
+			h -= 1;
+		}
+	}
+
+	const hsvResult = [ h * 360, s * 100, v * 100 ].map((v) => v.toFixed(0));
+	return hsvResult;
+};
+
+//Credit : https://github.com/Qix-/color-convert
+export const _hsvToRgb = (hsv) => {
+	const h = hsv[0] / 60;
+	const s = hsv[1] / 100;
+	let v = hsv[2] / 100;
+	const hi = Math.floor(h) % 6;
+
+	const f = h - Math.floor(h);
+	const p = 255 * v * (1 - s);
+	const q = 255 * v * (1 - s * f);
+	const t = 255 * v * (1 - s * (1 - f));
+	v *= 255;
+
+	switch (hi) {
+		case 0:
+			return [ v, t, p ];
+		case 1:
+			return [ q, v, p ];
+		case 2:
+			return [ p, v, t ];
+		case 3:
+			return [ p, q, v ];
+		case 4:
+			return [ t, p, v ];
+		case 5:
+			return [ v, p, q ];
+	}
+};
+
+//Credit : https://github.com/Qix-/color-convert
+export const _hsvToHSL = (hsv) => {
+	const h = hsv[0];
+	const s = hsv[1] / 100;
+	const v = hsv[2] / 100;
+	const vmin = Math.max(v, 0.01);
+	let sl;
+	let l;
+
+	l = (2 - s) * v;
+	const lmin = (2 - s) * vmin;
+	sl = s * vmin;
+	sl /= lmin <= 1 ? lmin : 2 - lmin;
+	sl = sl || 0;
+	l /= 2;
+
+	return [ h, sl * 100, l * 100 ];
+};
diff --git a/packages/builder/src/components/userInterface/Colorpicker/utils/HSVAColor.js b/packages/builder/src/components/userInterface/Colorpicker/utils/HSVAColor.js
deleted file mode 100644
index e39e700903..0000000000
--- a/packages/builder/src/components/userInterface/Colorpicker/utils/HSVAColor.js
+++ /dev/null
@@ -1,66 +0,0 @@
-import {
-  getHexaValues,
-  getRgbaValues,
-  hsvToHSL,
-  isValidRgba,
-  rgbToHSV,
-  hsvToRgb,
-} from "./utils"
-
-export class HSVAColor {
-  h = 0
-  s = 0
-  v = 0
-  a = 1
-
-  constructor(color) {
-    if (color.startsWith("#")) {
-      let [rHex, gHex, bHex, aHex] = getHexaValues(color)
-      this.hexaToHSVA([rHex, gHex, bHex], aHex)
-    } else if (color.startsWith("rgb")) {
-      let rgba = getRgbaValues(color)
-      this.rgbaToHSVA(rgba)
-    }
-  }
-
-  setHSVA([h, s, v, a]) {
-    this.h = h
-    this.s = s
-    this.v = v
-    this.a = a
-  }
-
-  getHSLA() {
-    const [h, s, l] = hsvToHSL([this.h, this.s, this.v])
-    return `hsla(${h}, ${s}, ${l}, ${this.a})`
-  }
-
-  hexaToHSVA(hex, alpha = "FF") {
-    const rgba = hex
-      .map(v => parseInt(v, 16))
-      .concat((parseInt(alpha, 16) / 255).toFixed(1))
-    this.rgbaToHSVA(rgba)
-  }
-
-  rgbaToHSVA(rgba) {
-    if (isValidRgba(rgba)) {
-      const [r, g, b, a = "1"] = rgba
-      let hsv = rgbToHSV([r, g, b])
-      this.setHSVA([...hsv, a])
-    }
-  }
-
-  hsvaToHexa() {
-    const [r, g, b, a] = this.hsvaToRgba()
-    const hexa = [r, g, b]
-      .map(v => v.toString(16))
-      .concat((a * 255).toFixed(1).toString(16))
-    return hexa
-  }
-
-  hsvaToRgba() {
-    const { h, s, v, a } = this
-    let rgb = hsvToRgb([h, s, v])
-    return [...rgb, a]
-  }
-}
diff --git a/packages/builder/src/components/userInterface/Colorpicker/utils/utils.js b/packages/builder/src/components/userInterface/Colorpicker/utils/utils.js
deleted file mode 100644
index 7412c42e27..0000000000
--- a/packages/builder/src/components/userInterface/Colorpicker/utils/utils.js
+++ /dev/null
@@ -1,108 +0,0 @@
-export const getRgbaValues = rgbaString =>
-  rgbaString.replace(/[a-z\(\)\s]/gi, "").split(",")
-
-export const getHexaValues = hexString =>
-  hexString.match(/[A-F]{2}|[A-F]\d{1}|\d{2}|\d[A-F]/gi)
-
-export const isValidRgba = rgba => {
-  let [r, g, b, a = 1] = rgba
-
-  let isValidLengthRange = rgba.length === 3 || rgba.length === 4
-  let isValidColorRange = [r, g, b].every(v => v >= 0 && v <= 255)
-  let isValidAlphaRange = rgba.length === 3 || (a >= 0 && a <= 1)
-
-  return isValidLengthRange && isValidColorRange && isValidAlphaRange
-}
-
-//Credit : https://github.com/Qix-/color-convert
-export const rgbToHSV = rgb => {
-  let rdif
-  let gdif
-  let bdif
-  let h
-  let s
-
-  const r = rgb[0] / 255
-  const g = rgb[1] / 255
-  const b = rgb[2] / 255
-  const v = Math.max(r, g, b)
-  const diff = v - Math.min(r, g, b)
-  const diffc = function(c) {
-    return (v - c) / 6 / diff + 1 / 2
-  }
-
-  if (diff === 0) {
-    h = 0
-    s = 0
-  } else {
-    s = diff / v
-    rdif = diffc(r)
-    gdif = diffc(g)
-    bdif = diffc(b)
-
-    if (r === v) {
-      h = bdif - gdif
-    } else if (g === v) {
-      h = 1 / 3 + rdif - bdif
-    } else if (b === v) {
-      h = 2 / 3 + gdif - rdif
-    }
-
-    if (h < 0) {
-      h += 1
-    } else if (h > 1) {
-      h -= 1
-    }
-  }
-
-  const hsvResult = [h * 360, s * 100, v * 100].map(v => v.toFixed(0))
-  return hsvResult
-}
-
-//Credit : https://github.com/Qix-/color-convert
-export const hsvToRgb = hsv => {
-  const h = hsv[0] / 60
-  const s = hsv[1] / 100
-  let v = hsv[2] / 100
-  const hi = Math.floor(h) % 6
-
-  const f = h - Math.floor(h)
-  const p = 255 * v * (1 - s)
-  const q = 255 * v * (1 - s * f)
-  const t = 255 * v * (1 - s * (1 - f))
-  v *= 255
-
-  switch (hi) {
-    case 0:
-      return [v, t, p]
-    case 1:
-      return [q, v, p]
-    case 2:
-      return [p, v, t]
-    case 3:
-      return [p, q, v]
-    case 4:
-      return [t, p, v]
-    case 5:
-      return [v, p, q]
-  }
-}
-
-//Credit : https://github.com/Qix-/color-convert
-export const hsvToHSL = hsv => {
-  const h = hsv[0]
-  const s = hsv[1] / 100
-  const v = hsv[2] / 100
-  const vmin = Math.max(v, 0.01)
-  let sl
-  let l
-
-  l = (2 - s) * v
-  const lmin = (2 - s) * vmin
-  sl = s * vmin
-  sl /= lmin <= 1 ? lmin : 2 - lmin
-  sl = sl || 0
-  l /= 2
-
-  return [h, sl * 100, l * 100]
-}