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GitHub Label Color Picker

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

当前为 2017-03-25 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name          GitHub Label Color Picker
  3. // @version       1.0.2
  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. (() => {
  17. 	"use strict";
  18.  
  19. 	GM_addStyle("div.cp-app { margin-top:65px; z-index:10; }");
  20.  
  21. 	function addPicker() {
  22. 		if (document.querySelector(".js-color-editor")) {
  23. 			jsColorPicker(".js-color-editor-input", {
  24. 				customBG: "#222",
  25. 				noAlpha: true,
  26. 				renderCallback: function(colors) {
  27. 					let input = this && this.input;
  28. 					if (input) {
  29. 						input.value = "#" + colors.HEX;
  30. 						input.previousElementSibling.style.backgroundColor = input.value;
  31. 					}
  32. 				}
  33. 			});
  34. 		}
  35. 	}
  36.  
  37. 	/* replace colorPicker storage */
  38. 	window.ColorPicker.docCookies = (key, val) => {
  39. 		if (typeof val === "undefined") {
  40. 			return GM_getValue(key);
  41. 		}
  42. 		GM_setValue(key, val);
  43. 	};
  44.  
  45. 	/* colorPickerMemosNoAlpha *MUST* follow this format
  46. 	"'rgba(83,25,231,1)','rgba(86,66,66,1)','rgba(22,20,223,1)'"
  47. 	*/
  48. 	function convertColorsToRgba(values) {
  49. 		let result = [];
  50. 		// see http://stackoverflow.com/a/26196012/145346
  51. 		values
  52. 			.replace(/['"]/g, "")
  53. 			.split(/\s*,(?![^()]*(?:\([^()]*\))?\))\s*/g)
  54. 			.forEach(val => {
  55. 				let rgb = hexToRgb(val);
  56. 				if (rgb) {
  57. 					result.push(`'rgba(${rgb.r},${rgb.g},${rgb.b},1)'`);
  58. 				} else if (rgb === null && val.indexOf("rgba(") > -1) {
  59. 					// allow adding rgba() definitions
  60. 					result.push(`'${val}'`);
  61. 				}
  62. 			});
  63. 		return result.join(",");
  64. 	}
  65.  
  66. 	// Modified code from http://stackoverflow.com/a/5624139/145346
  67. 	function hexToRgb(hex) {
  68. 		let result,
  69. 			// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
  70. 			shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
  71. 		hex = hex.replace(shorthandRegex, (m, r, g, b) => {
  72. 			return r + r + g + g + b + b;
  73. 		});
  74. 		result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  75. 		return result ? {
  76. 			r: parseInt(result[1], 16),
  77. 			g: parseInt(result[2], 16),
  78. 			b: parseInt(result[3], 16)
  79. 		} : null;
  80. 	}
  81.  
  82. 	// Add GM options
  83. 	GM_registerMenuCommand(
  84. 		"Set label ColorPicker swatches (8 HEX or RGBA Max)",
  85. 		() => {
  86. 			const colors = GM_getValue("colorPickerMemosNoAlpha", "#000000,#ffffff"),
  87. 				val = prompt("Set label default colors (8 max):", colors);
  88. 			if (val !== null && typeof val === "string") {
  89. 				GM_setValue("colorPickerMemosNoAlpha", convertColorsToRgba(val));
  90. 			}
  91. 		}
  92. 	);
  93.  
  94. 	document.body.addEventListener("click", event => {
  95. 		// initialize if "Edit" or "New label" button clicked
  96. 		// because "Save changes" updates the entire item
  97. 		if (
  98. 			event.target && event.target.matches(".js-edit-label, .js-details-target")
  99. 		) {
  100. 			addPicker();
  101. 		}
  102. 	});
  103. 	addPicker();
  104.  
  105. })();