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GitHub Label Color Picker

A userscript that adds a color picker to the label color input

目前为 2016-09-17 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name          GitHub Label Color Picker
  3. // @version       1.0.0
  4. // @description   A userscript that adds a color picker to the label color input
  5. // @license       https://creativecommons.org/licenses/by-sa/4.0/
  6. // @namespace     https://github.com/Mottie
  7. // @include       https://github.com/*
  8. // @grant         GM_addStyle
  9. // @grant         GM_getValue
  10. // @grant         GM_setValue
  11. // @grant         GM_registerMenuCommand
  12. // @require       https://greasyfork.org/scripts/23181-colorpicker/code/colorPicker.js?version=147862
  13. // @run-at        document-idle
  14. // @author        Rob Garrison
  15. // ==/UserScript==
  16. /* global GM_addStyle, GM_getValue, GM_setValue, GM_registerMenuCommand, jsColorPicker */
  17. /* jshint esnext:true, unused:true */
  18. (() => {
  19. 	"use strict";
  20.  
  21. 	GM_addStyle("div.cp-app { margin-top:65px; z-index:10; }");
  22.  
  23. 	function addPicker() {
  24. 		if (document.querySelector(".js-color-editor")) {
  25. 			jsColorPicker(".js-color-editor-input", {
  26. 				customBG: "#222",
  27. 				noAlpha: true,
  28. 				renderCallback : colors => {
  29. 					let input = this && this.input;
  30. 					if (input) {
  31. 						input.value = "#" + colors.HEX;
  32. 						input.previousElementSibling.style.backgroundColor = input.value;
  33. 					}
  34. 				}
  35. 			});
  36. 		}
  37. 	}
  38.  
  39. 	/* replace colorPicker storage */
  40. 	window.ColorPicker.docCookies = (key, val) => {
  41. 		if (typeof val === "undefined") {
  42. 			return GM_getValue(key);
  43. 		}
  44. 		GM_setValue(key, val);
  45. 	};
  46.  
  47. 	/* colorPickerMemosNoAlpha *MUST* follow this format
  48. 	"'rgba(83,25,231,1)','rgba(86,66,66,1)','rgba(22,20,223,1)'"
  49. 	*/
  50. 	function convertColorsToRgba(values) {
  51. 		let result = [];
  52. 		// see http://stackoverflow.com/a/26196012/145346
  53. 		values
  54. 			.replace(/['"]/g, "")
  55. 			.split(/\s*,(?![^()]*(?:\([^()]*\))?\))\s*/g)
  56. 			.forEach(val => {
  57. 				let rgb = hexToRgb(val);
  58. 				if (rgb) {
  59. 					result.push(`'rgba(${rgb.r},${rgb.g},${rgb.b},1)'`);
  60. 				} else if (rgb === null && val.indexOf("rgba(") > -1) {
  61. 					// allow adding rgba() definitions
  62. 					result.push(`'${val}'`);
  63. 				}
  64. 			});
  65. 		return result.join(",");
  66. 	}
  67.  
  68. 	// Modified code from http://stackoverflow.com/a/5624139/145346
  69. 	function hexToRgb(hex) {
  70. 		// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
  71. 		var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
  72. 		hex = hex.replace(shorthandRegex, (m, r, g, b) => {
  73. 			return r + r + g + g + b + b;
  74. 		});
  75. 		var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  76. 		return result ? {
  77. 			r: parseInt(result[1], 16),
  78. 			g: parseInt(result[2], 16),
  79. 			b: parseInt(result[3], 16)
  80. 		} : null;
  81. 	}
  82.  
  83. 	// Add GM options
  84. 	GM_registerMenuCommand(
  85. 		"Set label ColorPicker swatches (8 HEX or RGBA Max)",
  86. 		() => {
  87. 			const colors = GM_getValue("colorPickerMemosNoAlpha", "#000000,#ffffff"),
  88. 				val = prompt("Set label default colors (8 max):", colors);
  89. 			if (val !== null && typeof val === "string") {
  90. 				GM_setValue("colorPickerMemosNoAlpha", convertColorsToRgba(val));
  91. 			}
  92. 		}
  93. 	);
  94.  
  95. 	document.body.addEventListener("click", event => {
  96. 		// initialize if "Edit" or "New label" button clicked
  97. 		// because "Save changes" updates the entire item
  98. 		if (
  99. 			event.target && event.target.matches(".js-edit-label, .js-details-target")
  100. 		) {
  101. 			addPicker();
  102. 		}
  103. 	});
  104. 	addPicker();
  105.  
  106. })();