author | Giulio Cesare Solaroli <giulio.cesare@solaroli.it> | 2011-10-03 16:04:12 (UTC) |
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committer | Giulio Cesare Solaroli <giulio.cesare@solaroli.it> | 2011-10-03 16:04:12 (UTC) |
commit | 541bb378ddece2eab135a8066a16994e94436dea (patch) (side-by-side diff) | |
tree | ff160ea3e26f7fe07fcfd401387c5a0232ca715e /frontend/gamma/js/MochiKit/Position.js | |
parent | 1bf431fd3d45cbdf4afa3e12afefe5d24f4d3bc7 (diff) | |
parent | ecad5e895831337216544e81f1a467e0c68c4a6a (diff) | |
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Merge pull request #1 from gcsolaroli/master
First version of the restructured repository
Diffstat (limited to 'frontend/gamma/js/MochiKit/Position.js') (more/less context) (ignore whitespace changes)
-rw-r--r-- | frontend/gamma/js/MochiKit/Position.js | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/frontend/gamma/js/MochiKit/Position.js b/frontend/gamma/js/MochiKit/Position.js new file mode 100644 index 0000000..6bc5b39 --- a/dev/null +++ b/frontend/gamma/js/MochiKit/Position.js @@ -0,0 +1,218 @@ +/*** + +MochiKit.Position 1.5 + +See <http://mochikit.com/> for documentation, downloads, license, etc. + +(c) 2005-2006 Bob Ippolito and others. All rights Reserved. + +***/ + +MochiKit.Base._module('Position', '1.5', ['Base', 'DOM', 'Style']); + +MochiKit.Base.update(MochiKit.Position, { + // Don't export from this module + __export__: false, + + // set to true if needed, warning: firefox performance problems + // NOT neeeded for page scrolling, only if draggable contained in + // scrollable elements + includeScrollOffsets: false, + + /** @id MochiKit.Position.prepare */ + prepare: function () { + var deltaX = window.pageXOffset + || document.documentElement.scrollLeft + || document.body.scrollLeft + || 0; + var deltaY = window.pageYOffset + || document.documentElement.scrollTop + || document.body.scrollTop + || 0; + this.windowOffset = new MochiKit.Style.Coordinates(deltaX, deltaY); + }, + + /** @id MochiKit.Position.cumulativeOffset */ + cumulativeOffset: function (element) { + var valueT = 0; + var valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + } while (element); + return new MochiKit.Style.Coordinates(valueL, valueT); + }, + + /** @id MochiKit.Position.realOffset */ + realOffset: function (element) { + var valueT = 0; + var valueL = 0; + do { + valueT += element.scrollTop || 0; + valueL += element.scrollLeft || 0; + element = element.parentNode; + } while (element); + return new MochiKit.Style.Coordinates(valueL, valueT); + }, + + /** @id MochiKit.Position.within */ + within: function (element, x, y) { + if (this.includeScrollOffsets) { + return this.withinIncludingScrolloffsets(element, x, y); + } + this.xcomp = x; + this.ycomp = y; + this.offset = this.cumulativeOffset(element); + if (element.style.position == "fixed") { + this.offset.x += this.windowOffset.x; + this.offset.y += this.windowOffset.y; + } + + return (y >= this.offset.y && + y < this.offset.y + element.offsetHeight && + x >= this.offset.x && + x < this.offset.x + element.offsetWidth); + }, + + /** @id MochiKit.Position.withinIncludingScrolloffsets */ + withinIncludingScrolloffsets: function (element, x, y) { + var offsetcache = this.realOffset(element); + + this.xcomp = x + offsetcache.x - this.windowOffset.x; + this.ycomp = y + offsetcache.y - this.windowOffset.y; + this.offset = this.cumulativeOffset(element); + + return (this.ycomp >= this.offset.y && + this.ycomp < this.offset.y + element.offsetHeight && + this.xcomp >= this.offset.x && + this.xcomp < this.offset.x + element.offsetWidth); + }, + + // within must be called directly before + /** @id MochiKit.Position.overlap */ + overlap: function (mode, element) { + if (!mode) { + return 0; + } + if (mode == 'vertical') { + return ((this.offset.y + element.offsetHeight) - this.ycomp) / + element.offsetHeight; + } + if (mode == 'horizontal') { + return ((this.offset.x + element.offsetWidth) - this.xcomp) / + element.offsetWidth; + } + }, + + /** @id MochiKit.Position.absolutize */ + absolutize: function (element) { + element = MochiKit.DOM.getElement(element); + if (element.style.position == 'absolute') { + return; + } + MochiKit.Position.prepare(); + + var offsets = MochiKit.Position.positionedOffset(element); + var width = element.clientWidth; + var height = element.clientHeight; + + var oldStyle = { + 'position': element.style.position, + 'left': offsets.x - parseFloat(element.style.left || 0), + 'top': offsets.y - parseFloat(element.style.top || 0), + 'width': element.style.width, + 'height': element.style.height + }; + + element.style.position = 'absolute'; + element.style.top = offsets.y + 'px'; + element.style.left = offsets.x + 'px'; + element.style.width = width + 'px'; + element.style.height = height + 'px'; + + return oldStyle; + }, + + /** @id MochiKit.Position.positionedOffset */ + positionedOffset: function (element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + if (element) { + var p = MochiKit.Style.getStyle(element, 'position'); + if (p == 'relative' || p == 'absolute') { + break; + } + } + } while (element); + return new MochiKit.Style.Coordinates(valueL, valueT); + }, + + /** @id MochiKit.Position.relativize */ + relativize: function (element, oldPos) { + element = MochiKit.DOM.getElement(element); + if (element.style.position == 'relative') { + return; + } + MochiKit.Position.prepare(); + + var top = parseFloat(element.style.top || 0) - + (oldPos['top'] || 0); + var left = parseFloat(element.style.left || 0) - + (oldPos['left'] || 0); + + element.style.position = oldPos['position']; + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.width = oldPos['width']; + element.style.height = oldPos['height']; + }, + + /** @id MochiKit.Position.clone */ + clone: function (source, target) { + source = MochiKit.DOM.getElement(source); + target = MochiKit.DOM.getElement(target); + target.style.position = 'absolute'; + var offsets = this.cumulativeOffset(source); + target.style.top = offsets.y + 'px'; + target.style.left = offsets.x + 'px'; + target.style.width = source.offsetWidth + 'px'; + target.style.height = source.offsetHeight + 'px'; + }, + + /** @id MochiKit.Position.page */ + page: function (forElement) { + var valueT = 0; + var valueL = 0; + + var element = forElement; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + + // Safari fix + if (element.offsetParent == document.body && MochiKit.Style.getStyle(element, 'position') == 'absolute') { + break; + } + } while (element = element.offsetParent); + + element = forElement; + do { + valueT -= element.scrollTop || 0; + valueL -= element.scrollLeft || 0; + } while (element = element.parentNode); + + return new MochiKit.Style.Coordinates(valueL, valueT); + } +}); + +MochiKit.Position.__new__ = function (win) { + MochiKit.Base.nameFunctions(this); +}; + +MochiKit.Position.__new__(this); + +MochiKit.Base._exportSymbols(this, MochiKit.Position); |