| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /* ========================================================= |
| A | 2 | * bootstrap-colorpicker.js |
| 3 | * http://www.eyecon.ro/bootstrap-colorpicker | |
| 4 | * ========================================================= | |
| 5 | * Copyright 2012 Stefan Petre | |
| 6 | * | |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 8 | * you may not use this file except in compliance with the License. | |
| 9 | * You may obtain a copy of the License at | |
| 10 | * | |
| 11 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 12 | * | |
| 13 | * Unless required by applicable law or agreed to in writing, software | |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 16 | * See the License for the specific language governing permissions and | |
| 17 | * limitations under the License. | |
| 18 | * ========================================================= */ | |
| 19 | ||
| 20 | !function( $ ) { | |
| 21 | ||
| 22 | // Color object | |
| 23 | ||
| 24 | var Color = function(val) { | |
| 25 | this.value = { | |
| 26 | h: 1, | |
| 27 | s: 1, | |
| 28 | b: 1, | |
| 29 | a: 1 | |
| 30 | }; | |
| 31 | this.setColor(val); | |
| 32 | }; | |
| 33 | ||
| 34 | Color.prototype = { | |
| 35 | constructor: Color, | |
| 36 | ||
| 37 | //parse a string to HSB | |
| 38 | setColor: function(val){ | |
| 39 | val = val.toLowerCase(); | |
| 40 | var that = this; | |
| 41 | $.each( CPGlobal.stringParsers, function( i, parser ) { | |
| 42 | var match = parser.re.exec( val ), | |
| 43 | values = match && parser.parse( match ), | |
| 44 | space = parser.space||'rgba'; | |
| 45 | if ( values ) { | |
| 46 | if (space === 'hsla') { | |
| 47 | that.value = CPGlobal.RGBtoHSB.apply(null, CPGlobal.HSLtoRGB.apply(null, values)); | |
| 48 | } else { | |
| 49 | that.value = CPGlobal.RGBtoHSB.apply(null, values); | |
| 50 | } | |
| 51 | return false; | |
| 52 | } | |
| 53 | }); | |
| 54 | }, | |
| 55 | ||
| 56 | setHue: function(h) { | |
| 57 | this.value.h = 1- h; | |
| 58 | }, | |
| 59 | ||
| 60 | setSaturation: function(s) { | |
| 61 | this.value.s = s; | |
| 62 | }, | |
| 63 | ||
| 64 | setLightness: function(b) { | |
| 65 | this.value.b = 1- b; | |
| 66 | }, | |
| 67 | ||
| 68 | setAlpha: function(a) { | |
| 69 | this.value.a = parseInt((1 - a)*100, 10)/100; | |
| 70 | }, | |
| 71 | ||
| 72 | // HSBtoRGB from RaphaelJS | |
| 73 | // https://github.com/DmitryBaranovskiy/raphael/ | |
| 74 | toRGB: function(h, s, b, a) { | |
| 75 | if (!h) { | |
| 76 | h = this.value.h; | |
| 77 | s = this.value.s; | |
| 78 | b = this.value.b; | |
| 79 | } | |
| 80 | h *= 360; | |
| 81 | var R, G, B, X, C; | |
| 82 | h = (h % 360) / 60; | |
| 83 | C = b * s; | |
| 84 | X = C * (1 - Math.abs(h % 2 - 1)); | |
| 85 | R = G = B = b - C; | |
| 86 | ||
| 87 | h = ~~h; | |
| 88 | R += [C, X, 0, 0, X, C][h]; | |
| 89 | G += [X, C, C, X, 0, 0][h]; | |
| 90 | B += [0, 0, X, C, C, X][h]; | |
| 91 | return { | |
| 92 | r: Math.round(R*255), | |
| 93 | g: Math.round(G*255), | |
| 94 | b: Math.round(B*255), | |
| 95 | a: a||this.value.a | |
| 96 | }; | |
| 97 | }, | |
| 98 | ||
| 99 | toHex: function(h, s, b, a){ | |
| 100 | var rgb = this.toRGB(h, s, b, a); | |
| 101 | return '#'+((1 << 24) | (parseInt(rgb.r) << 16) | (parseInt(rgb.g) << 8) | parseInt(rgb.b)).toString(16).substr(1); | |
| 102 | }, | |
| 103 | ||
| 104 | toHSL: function(h, s, b, a){ | |
| 105 | if (!h) { | |
| 106 | h = this.value.h; | |
| 107 | s = this.value.s; | |
| 108 | b = this.value.b; | |
| 109 | } | |
| 110 | var H = h, | |
| 111 | L = (2 - s) * b, | |
| 112 | S = s * b; | |
| 113 | if (L > 0 && L <= 1) { | |
| 114 | S /= L; | |
| 115 | } else { | |
| 116 | S /= 2 - L; | |
| 117 | } | |
| 118 | L /= 2; | |
| 119 | if (S > 1) { | |
| 120 | S = 1; | |
| 121 | } | |
| 122 | return { | |
| 123 | h: H, | |
| 124 | s: S, | |
| 125 | l: L, | |
| 126 | a: a||this.value.a | |
| 127 | }; | |
| 128 | } | |
| 129 | }; | |
| 130 | ||
| 131 | // Picker object | |
| 132 | ||
| 133 | var Colorpicker = function(element, options){ | |
| 134 | this.element = $(element); | |
| 135 | var format = options.format||this.element.data('color-format')||'hex'; | |
| 136 | this.format = CPGlobal.translateFormats[format]; | |
| 137 | this.isInput = this.element.is('input'); | |
| 138 | this.component = this.element.is('.color') ? this.element.find('.add-on') : false; | |
| 139 | ||
| 140 | this.picker = $(CPGlobal.template) | |
| 141 | .appendTo('body') | |
| 142 | .on('mousedown', $.proxy(this.mousedown, this)); | |
| 143 | ||
| 144 | if (this.isInput) { | |
| 145 | this.element.on({ | |
| 146 | 'focus': $.proxy(this.show, this), | |
| 147 | 'keyup': $.proxy(this.update, this) | |
| 148 | }); | |
| 149 | } else if (this.component){ | |
| 150 | this.component.on({ | |
| 151 | 'click': $.proxy(this.show, this) | |
| 152 | }); | |
| 153 | } else { | |
| 154 | this.element.on({ | |
| 155 | 'click': $.proxy(this.show, this) | |
| 156 | }); | |
| 157 | } | |
| 158 | if (format === 'rgba' || format === 'hsla') { | |
| 159 | this.picker.addClass('alpha'); | |
| 160 | this.alpha = this.picker.find('.colorpicker-alpha')[0].style; | |
| 161 | } | |
| 162 | ||
| 163 | if (this.component){ | |
| 164 | this.picker.find('.colorpicker-color').hide(); | |
| 165 | this.preview = this.element.find('i')[0].style; | |
| 166 | } else { | |
| 167 | this.preview = this.picker.find('div:last')[0].style; | |
| 168 | } | |
| 169 | ||
| 170 | this.base = this.picker.find('div:first')[0].style; | |
| 171 | this.update(); | |
| 172 | }; | |
| 173 | ||
| 174 | Colorpicker.prototype = { | |
| 175 | constructor: Colorpicker, | |
| 176 | ||
| 177 | show: function(e) { | |
| 178 | this.picker.show(); | |
| 179 | this.height = this.component ? this.component.outerHeight() : this.element.outerHeight(); | |
| 180 | this.place(); | |
| 181 | $(window).on('resize', $.proxy(this.place, this)); | |
| 182 | if (!this.isInput) { | |
| 183 | if (e) { | |
| 184 | e.stopPropagation(); | |
| 185 | e.preventDefault(); | |
| 186 | } | |
| 187 | } | |
| 188 | $(document).on({ | |
| 189 | 'mousedown': $.proxy(this.hide, this) | |
| 190 | }); | |
| 191 | this.element.trigger({ | |
| 192 | type: 'show', | |
| 193 | color: this.color | |
| 194 | }); | |
| 195 | }, | |
| 196 | ||
| 197 | update: function(){ | |
| 198 | this.color = new Color(this.isInput ? this.element.prop('value') : this.element.data('color')); | |
| 199 | this.picker.find('i') | |
| 200 | .eq(0).css({left: this.color.value.s*100, top: 100 - this.color.value.b*100}).end() | |
| 201 | .eq(1).css('top', 100 * (1 - this.color.value.h)).end() | |
| 202 | .eq(2).css('top', 100 * (1 - this.color.value.a)); | |
| 203 | this.previewColor(); | |
| 204 | }, | |
| 205 | ||
| 206 | setValue: function(newColor) { | |
| 207 | this.color = new Color(newColor); | |
| 208 | this.picker.find('i') | |
| 209 | .eq(0).css({left: this.color.value.s*100, top: 100 - this.color.value.b*100}).end() | |
| 210 | .eq(1).css('top', 100 * (1 - this.color.value.h)).end() | |
| 211 | .eq(2).css('top', 100 * (1 - this.color.value.a)); | |
| 212 | this.previewColor(); | |
| 213 | this.element.trigger({ | |
| 214 | type: 'changeColor', | |
| 215 | color: this.color | |
| 216 | }); | |
| 217 | }, | |
| 218 | ||
| 219 | hide: function(){ | |
| 220 | this.picker.hide(); | |
| 221 | $(window).off('resize', this.place); | |
| 222 | if (!this.isInput) { | |
| 223 | $(document).off({ | |
| 224 | 'mousedown': this.hide | |
| 225 | }); | |
| 226 | if (this.component){ | |
| 227 | this.element.find('input').prop('value', this.format.call(this)); | |
| 228 | } | |
| 229 | this.element.data('color', this.format.call(this)); | |
| 230 | } else { | |
| 231 | this.element.prop('value', this.format.call(this)); | |
| 232 | } | |
| 233 | this.element.trigger({ | |
| 234 | type: 'hide', | |
| 235 | color: this.color | |
| 236 | }); | |
| 237 | }, | |
| 238 | ||
| 239 | place: function(){ | |
| 240 | var offset = this.component ? this.component.offset() : this.element.offset(); | |
| 241 | this.picker.css({ | |
| 242 | top: offset.top + this.height, | |
| 243 | left: offset.left | |
| 244 | }); | |
| 245 | }, | |
| 246 | ||
| 247 | //preview color change | |
| 248 | previewColor: function(){ | |
| 249 | try { | |
| 250 | this.preview.backgroundColor = this.format.call(this); | |
| 251 | } catch(e) { | |
| 252 | this.preview.backgroundColor = this.color.toHex(); | |
| 253 | } | |
| 254 | //set the color for brightness/saturation slider | |
| 255 | this.base.backgroundColor = this.color.toHex(this.color.value.h, 1, 1, 1); | |
| 256 | //set te color for alpha slider | |
| 257 | if (this.alpha) { | |
| 258 | this.alpha.backgroundColor = this.color.toHex(); | |
| 259 | } | |
| 260 | }, | |
| 261 | ||
| 262 | pointer: null, | |
| 263 | ||
| 264 | slider: null, | |
| 265 | ||
| 266 | mousedown: function(e){ | |
| 267 | e.stopPropagation(); | |
| 268 | e.preventDefault(); | |
| 269 | ||
| 270 | var target = $(e.target); | |
| 271 | ||
| 272 | //detect the slider and set the limits and callbacks | |
| 273 | var zone = target.closest('div'); | |
| 274 | if (!zone.is('.colorpicker')) { | |
| 275 | if (zone.is('.colorpicker-saturation')) { | |
| 276 | this.slider = $.extend({}, CPGlobal.sliders.saturation); | |
| 277 | } | |
| 278 | else if (zone.is('.colorpicker-hue')) { | |
| 279 | this.slider = $.extend({}, CPGlobal.sliders.hue); | |
| 280 | } | |
| 281 | else if (zone.is('.colorpicker-alpha')) { | |
| 282 | this.slider = $.extend({}, CPGlobal.sliders.alpha); | |
| 283 | } else { | |
| 284 | return false; | |
| 285 | } | |
| 286 | var offset = zone.offset(); | |
| 287 | //reference to knob's style | |
| 288 | this.slider.knob = zone.find('i')[0].style; | |
| 289 | this.slider.left = e.pageX - offset.left; | |
| 290 | this.slider.top = e.pageY - offset.top; | |
| 291 | this.pointer = { | |
| 292 | left: e.pageX, | |
| 293 | top: e.pageY | |
| 294 | }; | |
| 295 | //trigger mousemove to move the knob to the current position | |
| 296 | $(document).on({ | |
| 297 | mousemove: $.proxy(this.mousemove, this), | |
| 298 | mouseup: $.proxy(this.mouseup, this) | |
| 299 | }).trigger('mousemove'); | |
| 300 | } | |
| 301 | return false; | |
| 302 | }, | |
| 303 | ||
| 304 | mousemove: function(e){ | |
| 305 | e.stopPropagation(); | |
| 306 | e.preventDefault(); | |
| 307 | var left = Math.max( | |
| 308 | 0, | |
| 309 | Math.min( | |
| 310 | this.slider.maxLeft, | |
| 311 | this.slider.left + ((e.pageX||this.pointer.left) - this.pointer.left) | |
| 312 | ) | |
| 313 | ); | |
| 314 | var top = Math.max( | |
| 315 | 0, | |
| 316 | Math.min( | |
| 317 | this.slider.maxTop, | |
| 318 | this.slider.top + ((e.pageY||this.pointer.top) - this.pointer.top) | |
| 319 | ) | |
| 320 | ); | |
| 321 | this.slider.knob.left = left + 'px'; | |
| 322 | this.slider.knob.top = top + 'px'; | |
| 323 | if (this.slider.callLeft) { | |
| 324 | this.color[this.slider.callLeft].call(this.color, left/100); | |
| 325 | } | |
| 326 | if (this.slider.callTop) { | |
| 327 | this.color[this.slider.callTop].call(this.color, top/100); | |
| 328 | } | |
| 329 | this.previewColor(); | |
| 330 | this.element.trigger({ | |
| 331 | type: 'changeColor', | |
| 332 | color: this.color | |
| 333 | }); | |
| 334 | return false; | |
| 335 | }, | |
| 336 | ||
| 337 | mouseup: function(e){ | |
| 338 | e.stopPropagation(); | |
| 339 | e.preventDefault(); | |
| 340 | $(document).off({ | |
| 341 | mousemove: this.mousemove, | |
| 342 | mouseup: this.mouseup | |
| 343 | }); | |
| 344 | return false; | |
| 345 | } | |
| 346 | } | |
| 347 | ||
| 348 | $.fn.colorpicker = function ( option, val ) { | |
| 349 | return this.each(function () { | |
| 350 | var $this = $(this), | |
| 351 | data = $this.data('colorpicker'), | |
| 352 | options = typeof option === 'object' && option; | |
| 353 | if (!data) { | |
| 354 | $this.data('colorpicker', (data = new Colorpicker(this, $.extend({}, $.fn.colorpicker.defaults,options)))); | |
| 355 | } | |
| 356 | if (typeof option === 'string') data[option](val); | |
| 357 | }); | |
| 358 | }; | |
| 359 | ||
| 360 | $.fn.colorpicker.defaults = { | |
| 361 | }; | |
| 362 | ||
| 363 | $.fn.colorpicker.Constructor = Colorpicker; | |
| 364 | ||
| 365 | var CPGlobal = { | |
| 366 | ||
| 367 | // translate a format from Color object to a string | |
| 368 | translateFormats: { | |
| 369 | 'rgb': function(){ | |
| 370 | var rgb = this.color.toRGB(); | |
| 371 | return 'rgb('+rgb.r+','+rgb.g+','+rgb.b+')'; | |
| 372 | }, | |
| 373 | ||
| 374 | 'rgba': function(){ | |
| 375 | var rgb = this.color.toRGB(); | |
| 376 | return 'rgba('+rgb.r+','+rgb.g+','+rgb.b+','+rgb.a+')'; | |
| 377 | }, | |
| 378 | ||
| 379 | 'hsl': function(){ | |
| 380 | var hsl = this.color.toHSL(); | |
| 381 | return 'hsl('+Math.round(hsl.h*360)+','+Math.round(hsl.s*100)+'%,'+Math.round(hsl.l*100)+'%)'; | |
| 382 | }, | |
| 383 | ||
| 384 | 'hsla': function(){ | |
| 385 | var hsl = this.color.toHSL(); | |
| 386 | return 'hsla('+Math.round(hsl.h*360)+','+Math.round(hsl.s*100)+'%,'+Math.round(hsl.l*100)+'%,'+hsl.a+')'; | |
| 387 | }, | |
| 388 | ||
| 389 | 'hex': function(){ | |
| 390 | return this.color.toHex(); | |
| 391 | } | |
| 392 | }, | |
| 393 | ||
| 394 | sliders: { | |
| 395 | saturation: { | |
| 396 | maxLeft: 100, | |
| 397 | maxTop: 100, | |
| 398 | callLeft: 'setSaturation', | |
| 399 | callTop: 'setLightness' | |
| 400 | }, | |
| 401 | ||
| 402 | hue: { | |
| 403 | maxLeft: 0, | |
| 404 | maxTop: 100, | |
| 405 | callLeft: false, | |
| 406 | callTop: 'setHue' | |
| 407 | }, | |
| 408 | ||
| 409 | alpha: { | |
| 410 | maxLeft: 0, | |
| 411 | maxTop: 100, | |
| 412 | callLeft: false, | |
| 413 | callTop: 'setAlpha' | |
| 414 | } | |
| 415 | }, | |
| 416 | ||
| 417 | // HSBtoRGB from RaphaelJS | |
| 418 | // https://github.com/DmitryBaranovskiy/raphael/ | |
| 419 | RGBtoHSB: function (r, g, b, a){ | |
| 420 | r /= 255; | |
| 421 | g /= 255; | |
| 422 | b /= 255; | |
| 423 | ||
| 424 | var H, S, V, C; | |
| 425 | V = Math.max(r, g, b); | |
| 426 | C = V - Math.min(r, g, b); | |
| 427 | H = (C === 0 ? null : | |
| 428 | V == r ? (g - b) / C : | |
| 429 | V == g ? (b - r) / C + 2 : | |
| 430 | (r - g) / C + 4 | |
| 431 | ); | |
| 432 | H = ((H + 360) % 6) * 60 / 360; | |
| 433 | S = C === 0 ? 0 : C / V; | |
| 434 | return {h: H||1, s: S, b: V, a: a||1}; | |
| 435 | }, | |
| 436 | ||
| 437 | HueToRGB: function (p, q, h) { | |
| 438 | if (h < 0) | |
| 439 | h += 1; | |
| 440 | else if (h > 1) | |
| 441 | h -= 1; | |
| 442 | ||
| 443 | if ((h * 6) < 1) | |
| 444 | return p + (q - p) * h * 6; | |
| 445 | else if ((h * 2) < 1) | |
| 446 | return q; | |
| 447 | else if ((h * 3) < 2) | |
| 448 | return p + (q - p) * ((2 / 3) - h) * 6; | |
| 449 | else | |
| 450 | return p; | |
| 451 | }, | |
| 452 | ||
| 453 | HSLtoRGB: function (h, s, l, a) | |
| 454 | { | |
| 455 | if (s < 0) { | |
| 456 | s = 0; | |
| 457 | } | |
| 458 | var q; | |
| 459 | if (l <= 0.5) { | |
| 460 | q = l * (1 + s); | |
| 461 | } else { | |
| 462 | q = l + s - (l * s); | |
| 463 | } | |
| 464 | ||
| 465 | var p = 2 * l - q; | |
| 466 | ||
| 467 | var tr = h + (1 / 3); | |
| 468 | var tg = h; | |
| 469 | var tb = h - (1 / 3); | |
| 470 | ||
| 471 | var r = Math.round(CPGlobal.HueToRGB(p, q, tr) * 255); | |
| 472 | var g = Math.round(CPGlobal.HueToRGB(p, q, tg) * 255); | |
| 473 | var b = Math.round(CPGlobal.HueToRGB(p, q, tb) * 255); | |
| 474 | return [r, g, b, a||1]; | |
| 475 | }, | |
| 476 | ||
| 477 | // a set of RE's that can match strings and generate color tuples. | |
| 478 | // from John Resig color plugin | |
| 479 | // https://github.com/jquery/jquery-color/ | |
| 480 | stringParsers: [ | |
| 481 | { | |
| 482 | re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d+(?:\.\d+)?)\s*)?\)/, | |
| 483 | parse: function( execResult ) { | |
| 484 | return [ | |
| 485 | execResult[ 1 ], | |
| 486 | execResult[ 2 ], | |
| 487 | execResult[ 3 ], | |
| 488 | execResult[ 4 ] | |
| 489 | ]; | |
| 490 | } | |
| 491 | }, { | |
| 492 | re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d+(?:\.\d+)?)\s*)?\)/, | |
| 493 | parse: function( execResult ) { | |
| 494 | return [ | |
| 495 | 2.55 * execResult[1], | |
| 496 | 2.55 * execResult[2], | |
| 497 | 2.55 * execResult[3], | |
| 498 | execResult[ 4 ] | |
| 499 | ]; | |
| 500 | } | |
| 501 | }, { | |
| 502 | re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/, | |
| 503 | parse: function( execResult ) { | |
| 504 | return [ | |
| 505 | parseInt( execResult[ 1 ], 16 ), | |
| 506 | parseInt( execResult[ 2 ], 16 ), | |
| 507 | parseInt( execResult[ 3 ], 16 ) | |
| 508 | ]; | |
| 509 | } | |
| 510 | }, { | |
| 511 | re: /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/, | |
| 512 | parse: function( execResult ) { | |
| 513 | return [ | |
| 514 | parseInt( execResult[ 1 ] + execResult[ 1 ], 16 ), | |
| 515 | parseInt( execResult[ 2 ] + execResult[ 2 ], 16 ), | |
| 516 | parseInt( execResult[ 3 ] + execResult[ 3 ], 16 ) | |
| 517 | ]; | |
| 518 | } | |
| 519 | }, { | |
| 520 | re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d+(?:\.\d+)?)\s*)?\)/, | |
| 521 | space: 'hsla', | |
| 522 | parse: function( execResult ) { | |
| 523 | return [ | |
| 524 | execResult[1]/360, | |
| 525 | execResult[2] / 100, | |
| 526 | execResult[3] / 100, | |
| 527 | execResult[4] | |
| 528 | ]; | |
| 529 | } | |
| 530 | } | |
| 531 | ], | |
| 532 | template: '<div class="colorpicker dropdown-menu">'+ | |
| 533 | '<div class="colorpicker-saturation"><i><b></b></i></div>'+ | |
| 534 | '<div class="colorpicker-hue"><i></i></div>'+ | |
| 535 | '<div class="colorpicker-alpha"><i></i></div>'+ | |
| 536 | '<div class="colorpicker-color"><div /></div>'+ | |
| 537 | '</div>' | |
| 538 | }; | |
| 539 | ||
| 540 | }( window.jQuery ) | |
