| 1 | /*** |
| 2 | |
| 3 | MochiKit.Style 1.4 |
| 4 | |
| 5 | See <http://mochikit.com/> for documentation, downloads, license, etc. |
| 6 | |
| 7 | (c) 2005-2006 Bob Ippolito, Beau Hartshorne. All rights Reserved. |
| 8 | |
| 9 | ***/ |
| 10 | |
| 11 | if (typeof(dojo) != 'undefined') { |
| 12 | dojo.provide('MochiKit.Style'); |
| 13 | dojo.require('MochiKit.Base'); |
| 14 | dojo.require('MochiKit.DOM'); |
| 15 | } |
| 16 | if (typeof(JSAN) != 'undefined') { |
| 17 | JSAN.use('MochiKit.Base', []); |
| 18 | JSAN.use('MochiKit.DOM', []); |
| 19 | } |
| 20 | |
| 21 | try { |
| 22 | if (typeof(MochiKit.Base) == 'undefined') { |
| 23 | throw ''; |
| 24 | } |
| 25 | } catch (e) { |
| 26 | throw 'MochiKit.Style depends on MochiKit.Base!'; |
| 27 | } |
| 28 | |
| 29 | try { |
| 30 | if (typeof(MochiKit.DOM) == 'undefined') { |
| 31 | throw ''; |
| 32 | } |
| 33 | } catch (e) { |
| 34 | throw 'MochiKit.Style depends on MochiKit.DOM!'; |
| 35 | } |
| 36 | |
| 37 | |
| 38 | if (typeof(MochiKit.Style) == 'undefined') { |
| 39 | MochiKit.Style = {}; |
| 40 | } |
| 41 | |
| 42 | MochiKit.Style.NAME = 'MochiKit.Style'; |
| 43 | MochiKit.Style.VERSION = '1.4'; |
| 44 | MochiKit.Style.__repr__ = function () { |
| 45 | return '[' + this.NAME + ' ' + this.VERSION + ']'; |
| 46 | }; |
| 47 | MochiKit.Style.toString = function () { |
| 48 | return this.__repr__(); |
| 49 | }; |
| 50 | |
| 51 | MochiKit.Style.EXPORT_OK = []; |
| 52 | |
| 53 | MochiKit.Style.EXPORT = [ |
| 54 | 'setStyle', |
| 55 | 'setOpacity', |
| 56 | 'getStyle', |
| 57 | 'getElementDimensions', |
| 58 | 'elementDimensions', // deprecated |
| 59 | 'setElementDimensions', |
| 60 | 'getElementPosition', |
| 61 | 'elementPosition', // deprecated |
| 62 | 'setElementPosition', |
| 63 | 'setDisplayForElement', |
| 64 | 'hideElement', |
| 65 | 'showElement', |
| 66 | 'getViewportDimensions', |
| 67 | 'getViewportPosition', |
| 68 | 'Dimensions', |
| 69 | 'Coordinates' |
| 70 | ]; |
| 71 | |
| 72 | |
| 73 | /* |
| 74 | |
| 75 | Dimensions |
| 76 | |
| 77 | */ |
| 78 | /** @id MochiKit.Style.Dimensions */ |
| 79 | MochiKit.Style.Dimensions = function (w, h) { |
| 80 | this.w = w; |
| 81 | this.h = h; |
| 82 | }; |
| 83 | |
| 84 | MochiKit.Style.Dimensions.prototype.__repr__ = function () { |
| 85 | var repr = MochiKit.Base.repr; |
| 86 | return '{w: ' + repr(this.w) + ', h: ' + repr(this.h) + '}'; |
| 87 | }; |
| 88 | |
| 89 | MochiKit.Style.Dimensions.prototype.toString = function () { |
| 90 | return this.__repr__(); |
| 91 | }; |
| 92 | |
| 93 | |
| 94 | /* |
| 95 | |
| 96 | Coordinates |
| 97 | |
| 98 | */ |
| 99 | /** @id MochiKit.Style.Coordinates */ |
| 100 | MochiKit.Style.Coordinates = function (x, y) { |
| 101 | this.x = x; |
| 102 | this.y = y; |
| 103 | }; |
| 104 | |
| 105 | MochiKit.Style.Coordinates.prototype.__repr__ = function () { |
| 106 | var repr = MochiKit.Base.repr; |
| 107 | return '{x: ' + repr(this.x) + ', y: ' + repr(this.y) + '}'; |
| 108 | }; |
| 109 | |
| 110 | MochiKit.Style.Coordinates.prototype.toString = function () { |
| 111 | return this.__repr__(); |
| 112 | }; |
| 113 | |
| 114 | |
| 115 | MochiKit.Base.update(MochiKit.Style, { |
| 116 | |
| 117 | /** @id MochiKit.Style.getStyle */ |
| 118 | getStyle: function (elem, cssProperty) { |
| 119 | var dom = MochiKit.DOM; |
| 120 | var d = dom._document; |
| 121 | |
| 122 | elem = dom.getElement(elem); |
| 123 | cssProperty = MochiKit.Base.camelize(cssProperty); |
| 124 | |
| 125 | if (!elem || elem == d) { |
| 126 | return undefined; |
| 127 | } |
| 128 | if (cssProperty == 'opacity' && elem.filters) { |
| 129 | var opacity = (MochiKit.Style.getStyle(elem, 'filter') || '').match(/alpha\(opacity=(.*)\)/); |
| 130 | if (opacity && opacity[1]) { |
| 131 | return parseFloat(opacity[1]) / 100; |
| 132 | } |
| 133 | return 1.0; |
| 134 | } |
| 135 | var value = elem.style ? elem.style[cssProperty] : null; |
| 136 | if (!value) { |
| 137 | if (d.defaultView && d.defaultView.getComputedStyle) { |
| 138 | var css = d.defaultView.getComputedStyle(elem, null); |
| 139 | cssProperty = cssProperty.replace(/([A-Z])/g, '-$1' |
| 140 | ).toLowerCase(); // from dojo.style.toSelectorCase |
| 141 | value = css ? css.getPropertyValue(cssProperty) : null; |
| 142 | } else if (elem.currentStyle) { |
| 143 | value = elem.currentStyle[cssProperty]; |
| 144 | } |
| 145 | } |
| 146 | if (cssProperty == 'opacity') { |
| 147 | value = parseFloat(value); |
| 148 | } |
| 149 | |
| 150 | if (/Opera/.test(navigator.userAgent) && (MochiKit.Base.find(['left', 'top', 'right', 'bottom'], cssProperty) != -1)) { |
| 151 | if (MochiKit.Style.getStyle(elem, 'position') == 'static') { |
| 152 | value = 'auto'; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | return value == 'auto' ? null : value; |
| 157 | }, |
| 158 | |
| 159 | /** @id MochiKit.Style.setStyle */ |
| 160 | setStyle: function (elem, style) { |
| 161 | elem = MochiKit.DOM.getElement(elem); |
| 162 | for (var name in style) { |
| 163 | if (name == 'opacity') { |
| 164 | MochiKit.Style.setOpacity(elem, style[name]); |
| 165 | } else { |
| 166 | elem.style[MochiKit.Base.camelize(name)] = style[name]; |
| 167 | } |
| 168 | } |
| 169 | }, |
| 170 | |
| 171 | /** @id MochiKit.Style.setOpacity */ |
| 172 | setOpacity: function (elem, o) { |
| 173 | elem = MochiKit.DOM.getElement(elem); |
| 174 | var self = MochiKit.Style; |
| 175 | if (o == 1) { |
| 176 | var toSet = /Gecko/.test(navigator.userAgent) && !(/Konqueror|AppleWebKit|KHTML/.test(navigator.userAgent)); |
| 177 | elem.style["opacity"] = toSet ? 0.999999 : 1.0; |
| 178 | if (/MSIE/.test(navigator.userAgent)) { |
| 179 | elem.style['filter'] = |
| 180 | self.getStyle(elem, 'filter').replace(/alpha\([^\)]*\)/gi, ''); |
| 181 | } |
| 182 | } else { |
| 183 | if (o < 0.00001) { |
| 184 | o = 0; |
| 185 | } |
| 186 | elem.style["opacity"] = o; |
| 187 | if (/MSIE/.test(navigator.userAgent)) { |
| 188 | elem.style['filter'] = |
| 189 | self.getStyle(elem, 'filter').replace(/alpha\([^\)]*\)/gi, '') + 'alpha(opacity=' + o * 100 + ')'; |
| 190 | } |
| 191 | } |
| 192 | }, |
| 193 | |
| 194 | /* |
| 195 | |
| 196 | getElementPosition is adapted from YAHOO.util.Dom.getXY v0.9.0. |
| 197 | Copyright: Copyright (c) 2006, Yahoo! Inc. All rights reserved. |
| 198 | License: BSD, http://developer.yahoo.net/yui/license.txt |
| 199 | |
| 200 | */ |
| 201 | |
| 202 | /** @id MochiKit.Style.getElementPosition */ |
| 203 | getElementPosition: function (elem, /* optional */relativeTo) { |
| 204 | var self = MochiKit.Style; |
| 205 | var dom = MochiKit.DOM; |
| 206 | elem = dom.getElement(elem); |
| 207 | |
| 208 | if (!elem || |
| 209 | (!(elem.x && elem.y) && |
| 210 | (!elem.parentNode === null || |
| 211 | self.getStyle(elem, 'display') == 'none'))) { |
| 212 | return undefined; |
| 213 | } |
| 214 | |
| 215 | var c = new self.Coordinates(0, 0); |
| 216 | var box = null; |
| 217 | var parent = null; |
| 218 | |
| 219 | var d = MochiKit.DOM._document; |
| 220 | var de = d.documentElement; |
| 221 | var b = d.body; |
| 222 | |
| 223 | if (!elem.parentNode && elem.x && elem.y) { |
| 224 | /* it's just a MochiKit.Style.Coordinates object */ |
| 225 | c.x += elem.x || 0; |
| 226 | c.y += elem.y || 0; |
| 227 | } else if (elem.getBoundingClientRect) { // IE shortcut |
| 228 | /* |
| 229 | |
| 230 | The IE shortcut can be off by two. We fix it. See: |
| 231 | http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/getboundingclientrect.asp |
| 232 | |
| 233 | This is similar to the method used in |
| 234 | MochiKit.Signal.Event.mouse(). |
| 235 | |
| 236 | */ |
| 237 | box = elem.getBoundingClientRect(); |
| 238 | |
| 239 | c.x += box.left + |
| 240 | (de.scrollLeft || b.scrollLeft) - |
| 241 | (de.clientLeft || 0); |
| 242 | |
| 243 | c.y += box.top + |
| 244 | (de.scrollTop || b.scrollTop) - |
| 245 | (de.clientTop || 0); |
| 246 | |
| 247 | } else if (elem.offsetParent) { |
| 248 | c.x += elem.offsetLeft; |
| 249 | c.y += elem.offsetTop; |
| 250 | parent = elem.offsetParent; |
| 251 | |
| 252 | if (parent != elem) { |
| 253 | while (parent) { |
| 254 | c.x += parent.offsetLeft; |
| 255 | c.y += parent.offsetTop; |
| 256 | parent = parent.offsetParent; |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | /* |
| 261 | |
| 262 | Opera < 9 and old Safari (absolute) incorrectly account for |
| 263 | body offsetTop and offsetLeft. |
| 264 | |
| 265 | */ |
| 266 | var ua = navigator.userAgent.toLowerCase(); |
| 267 | if ((typeof(opera) != 'undefined' && |
| 268 | parseFloat(opera.version()) < 9) || |
| 269 | (ua.indexOf('AppleWebKit') != -1 && |
| 270 | self.getStyle(elem, 'position') == 'absolute')) { |
| 271 | |
| 272 | c.x -= b.offsetLeft; |
| 273 | c.y -= b.offsetTop; |
| 274 | |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | if (typeof(relativeTo) != 'undefined') { |
| 279 | relativeTo = arguments.callee(relativeTo); |
| 280 | if (relativeTo) { |
| 281 | c.x -= (relativeTo.x || 0); |
| 282 | c.y -= (relativeTo.y || 0); |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | if (elem.parentNode) { |
| 287 | parent = elem.parentNode; |
| 288 | } else { |
| 289 | parent = null; |
| 290 | } |
| 291 | |
| 292 | while (parent) { |
| 293 | var tagName = parent.tagName.toUpperCase(); |
| 294 | if (tagName === 'BODY' || tagName === 'HTML') { |
| 295 | break; |
| 296 | } |
| 297 | var disp = self.getStyle(parent, 'display'); |
| 298 | // Handle strange Opera bug for some display |
| 299 | if (disp != 'inline' && disp != 'table-row') { |
| 300 | c.x -= parent.scrollLeft; |
| 301 | c.y -= parent.scrollTop; |
| 302 | } |
| 303 | if (parent.parentNode) { |
| 304 | parent = parent.parentNode; |
| 305 | } else { |
| 306 | parent = null; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | return c; |
| 311 | }, |
| 312 | |
| 313 | /** @id MochiKit.Style.setElementPosition */ |
| 314 | setElementPosition: function (elem, newPos/* optional */, units) { |
| 315 | elem = MochiKit.DOM.getElement(elem); |
| 316 | if (typeof(units) == 'undefined') { |
| 317 | units = 'px'; |
| 318 | } |
| 319 | var newStyle = {}; |
| 320 | var isUndefNull = MochiKit.Base.isUndefinedOrNull; |
| 321 | if (!isUndefNull(newPos.x)) { |
| 322 | newStyle['left'] = newPos.x + units; |
| 323 | } |
| 324 | if (!isUndefNull(newPos.y)) { |
| 325 | newStyle['top'] = newPos.y + units; |
| 326 | } |
| 327 | MochiKit.DOM.updateNodeAttributes(elem, {'style': newStyle}); |
| 328 | }, |
| 329 | |
| 330 | /** @id MochiKit.Style.getElementDimensions */ |
| 331 | getElementDimensions: function (elem) { |
| 332 | var self = MochiKit.Style; |
| 333 | var dom = MochiKit.DOM; |
| 334 | if (typeof(elem.w) == 'number' || typeof(elem.h) == 'number') { |
| 335 | return new self.Dimensions(elem.w || 0, elem.h || 0); |
| 336 | } |
| 337 | elem = dom.getElement(elem); |
| 338 | if (!elem) { |
| 339 | return undefined; |
| 340 | } |
| 341 | var disp = self.getStyle(elem, 'display'); |
| 342 | // display can be empty/undefined on WebKit/KHTML |
| 343 | if (disp != 'none' && disp !== '' && typeof(disp) != 'undefined') { |
| 344 | return new self.Dimensions(elem.offsetWidth || 0, |
| 345 | elem.offsetHeight || 0); |
| 346 | } |
| 347 | var s = elem.style; |
| 348 | var originalVisibility = s.visibility; |
| 349 | var originalPosition = s.position; |
| 350 | s.visibility = 'hidden'; |
| 351 | s.position = 'absolute'; |
| 352 | s.display = ''; |
| 353 | var originalWidth = elem.offsetWidth; |
| 354 | var originalHeight = elem.offsetHeight; |
| 355 | s.display = 'none'; |
| 356 | s.position = originalPosition; |
| 357 | s.visibility = originalVisibility; |
| 358 | return new self.Dimensions(originalWidth, originalHeight); |
| 359 | }, |
| 360 | |
| 361 | /** @id MochiKit.Style.setElementDimensions */ |
| 362 | setElementDimensions: function (elem, newSize/* optional */, units) { |
| 363 | elem = MochiKit.DOM.getElement(elem); |
| 364 | if (typeof(units) == 'undefined') { |
| 365 | units = 'px'; |
| 366 | } |
| 367 | var newStyle = {}; |
| 368 | var isUndefNull = MochiKit.Base.isUndefinedOrNull; |
| 369 | if (!isUndefNull(newSize.w)) { |
| 370 | newStyle['width'] = newSize.w + units; |
| 371 | } |
| 372 | if (!isUndefNull(newSize.h)) { |
| 373 | newStyle['height'] = newSize.h + units; |
| 374 | } |
| 375 | MochiKit.DOM.updateNodeAttributes(elem, {'style': newStyle}); |
| 376 | }, |
| 377 | |
| 378 | /** @id MochiKit.Style.setDisplayForElement */ |
| 379 | setDisplayForElement: function (display, element/*, ...*/) { |
| 380 | var elements = MochiKit.Base.extend(null, arguments, 1); |
| 381 | var getElement = MochiKit.DOM.getElement; |
| 382 | for (var i = 0; i < elements.length; i++) { |
| 383 | element = getElement(elements[i]); |
| 384 | if (element) { |
| 385 | element.style.display = display; |
| 386 | } |
| 387 | } |
| 388 | }, |
| 389 | |
| 390 | /** @id MochiKit.Style.getViewportDimensions */ |
| 391 | getViewportDimensions: function () { |
| 392 | var d = new MochiKit.Style.Dimensions(); |
| 393 | |
| 394 | var w = MochiKit.DOM._window; |
| 395 | var b = MochiKit.DOM._document.body; |
| 396 | |
| 397 | if (w.innerWidth) { |
| 398 | d.w = w.innerWidth; |
| 399 | d.h = w.innerHeight; |
| 400 | } else if (b.parentElement.clientWidth) { |
| 401 | d.w = b.parentElement.clientWidth; |
| 402 | d.h = b.parentElement.clientHeight; |
| 403 | } else if (b && b.clientWidth) { |
| 404 | d.w = b.clientWidth; |
| 405 | d.h = b.clientHeight; |
| 406 | } |
| 407 | return d; |
| 408 | }, |
| 409 | |
| 410 | /** @id MochiKit.Style.getViewportPosition */ |
| 411 | getViewportPosition: function () { |
| 412 | var c = new MochiKit.Style.Coordinates(0, 0); |
| 413 | var d = MochiKit.DOM._document; |
| 414 | var de = d.documentElement; |
| 415 | var db = d.body; |
| 416 | if (de && (de.scrollTop || de.scrollLeft)) { |
| 417 | c.x = de.scrollLeft; |
| 418 | c.y = de.scrollTop; |
| 419 | } else if (db) { |
| 420 | c.x = db.scrollLeft; |
| 421 | c.y = db.scrollTop; |
| 422 | } |
| 423 | return c; |
| 424 | }, |
| 425 | |
| 426 | __new__: function () { |
| 427 | var m = MochiKit.Base; |
| 428 | |
| 429 | this.elementPosition = this.getElementPosition; |
| 430 | this.elementDimensions = this.getElementDimensions; |
| 431 | |
| 432 | this.hideElement = m.partial(this.setDisplayForElement, 'none'); |
| 433 | this.showElement = m.partial(this.setDisplayForElement, 'block'); |
| 434 | |
| 435 | this.EXPORT_TAGS = { |
| 436 | ':common': this.EXPORT, |
| 437 | ':all': m.concat(this.EXPORT, this.EXPORT_OK) |
| 438 | }; |
| 439 | |
| 440 | m.nameFunctions(this); |
| 441 | } |
| 442 | }); |
| 443 | |
| 444 | MochiKit.Style.__new__(); |
| 445 | MochiKit.Base._exportSymbols(this, MochiKit.Style); |