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Diffstat (limited to 'js/dom-drag.js')
| -rw-r--r-- | js/dom-drag.js | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/js/dom-drag.js b/js/dom-drag.js deleted file mode 100644 index 51fef4bdcc..0000000000 --- a/js/dom-drag.js +++ /dev/null @@ -1,124 +0,0 @@ -/************************************************** - * dom-drag.js - * 09.25.2001 - * www.youngpup.net - ************************************************** - * Copyright 2001, Aaron Boodman - * This code is public domain. Please use it for good, not evil. - ************************************************** - * 10.28.2001 - fixed minor bug where events - * sometimes fired off the handle, not the root. - **************************************************/ - -var Drag = { - - obj : null, - - init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper) - { - o.onmousedown = Drag.start; - - o.hmode = bSwapHorzRef ? false : true ; - o.vmode = bSwapVertRef ? false : true ; - - o.root = oRoot && oRoot != null ? oRoot : o ; - - if (o.hmode && isNaN(parseInt(o.root.style.left ))) o.root.style.left = "0px"; - if (o.vmode && isNaN(parseInt(o.root.style.top ))) o.root.style.top = "0px"; - if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right = "0px"; - if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px"; - - o.minX = typeof minX != 'undefined' ? minX : null; - o.minY = typeof minY != 'undefined' ? minY : null; - o.maxX = typeof maxX != 'undefined' ? maxX : null; - o.maxY = typeof maxY != 'undefined' ? maxY : null; - - o.xMapper = fXMapper ? fXMapper : null; - o.yMapper = fYMapper ? fYMapper : null; - - o.root.onDragStart = new Function(); - o.root.onDragEnd = new Function(); - o.root.onDrag = new Function(); - }, - - start : function(e) - { - var o = Drag.obj = this; - e = Drag.fixE(e); - var y = parseInt(o.vmode ? o.root.style.top : o.root.style.bottom); - var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right ); - o.root.onDragStart(x, y); - - o.lastMouseX = e.clientX; - o.lastMouseY = e.clientY; - - if (o.hmode) { - if (o.minX != null) o.minMouseX = e.clientX - x + o.minX; - if (o.maxX != null) o.maxMouseX = o.minMouseX + o.maxX - o.minX; - } else { - if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x; - if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x; - } - - if (o.vmode) { - if (o.minY != null) o.minMouseY = e.clientY - y + o.minY; - if (o.maxY != null) o.maxMouseY = o.minMouseY + o.maxY - o.minY; - } else { - if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y; - if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y; - } - - document.onmousemove = Drag.drag; - document.onmouseup = Drag.end; - - return false; - }, - - drag : function(e) - { - e = Drag.fixE(e); - var o = Drag.obj; - - var ey = e.clientY; - var ex = e.clientX; - var y = parseInt(o.vmode ? o.root.style.top : o.root.style.bottom); - var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right ); - var nx, ny; - - if (o.minX != null) ex = o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX); - if (o.maxX != null) ex = o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX); - if (o.minY != null) ey = o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY); - if (o.maxY != null) ey = o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY); - - nx = x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1)); - ny = y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1)); - - if (o.xMapper) nx = o.xMapper(y) - else if (o.yMapper) ny = o.yMapper(x) - - Drag.obj.root.style[o.hmode ? "left" : "right"] = nx + "px"; - Drag.obj.root.style[o.vmode ? "top" : "bottom"] = ny + "px"; - Drag.obj.lastMouseX = ex; - Drag.obj.lastMouseY = ey; - - Drag.obj.root.onDrag(nx, ny); - return false; - }, - - end : function() - { - document.onmousemove = null; - document.onmouseup = null; - Drag.obj.root.onDragEnd( parseInt(Drag.obj.root.style[Drag.obj.hmode ? "left" : "right"]), - parseInt(Drag.obj.root.style[Drag.obj.vmode ? "top" : "bottom"])); - Drag.obj = null; - }, - - fixE : function(e) - { - if (typeof e == 'undefined') e = window.event; - if (typeof e.layerX == 'undefined') e.layerX = e.offsetX; - if (typeof e.layerY == 'undefined') e.layerY = e.offsetY; - return e; - } -}; |