From e9f1ed82c6fdb783f98884d670097175df03e484 Mon Sep 17 00:00:00 2001 From: Sebastian Mendel Date: Thu, 4 Oct 2007 08:42:54 +0000 Subject: [PATCH] added copyright note --- js/dom-drag.js | 177 +++++++++++++++++++++++++------------------------ 1 file changed, 90 insertions(+), 87 deletions(-) diff --git a/js/dom-drag.js b/js/dom-drag.js index 0d3b4d07b..51fef4bdc 100644 --- a/js/dom-drag.js +++ b/js/dom-drag.js @@ -3,119 +3,122 @@ * 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, + obj : null, - init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper) - { - o.onmousedown = Drag.start; + 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.hmode = bSwapHorzRef ? false : true ; + o.vmode = bSwapVertRef ? false : true ; - o.root = oRoot && oRoot != null ? oRoot : o ; + 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"; + 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.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.xMapper = fXMapper ? fXMapper : null; + o.yMapper = fYMapper ? fYMapper : null; - o.root.onDragStart = new Function(); - o.root.onDragEnd = new Function(); - o.root.onDrag = new Function(); - }, + 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); + 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; + 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.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; - } + 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; + document.onmousemove = Drag.drag; + document.onmouseup = Drag.end; - return false; - }, + return false; + }, - drag : function(e) - { - e = Drag.fixE(e); - var o = Drag.obj; + 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; + 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); + 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)); + 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) + 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.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; - }, + 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; - }, + 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; - } + 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; + } };