<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
-<head runat="server">
- <title></title>
- <style type="text/css">
- .drag
- {
- position: relative;
- height: 50px;
- width: 50px;
- background-color: #FF0000;
- color: White;
- }
-
- .dropon
- {
- position: relative;
-
-
- }
- </style>
-
- <script type="text/javascript">
-
- var _startX = 0; // mouse starting positions
- var _startY = 0;
- var _offsetX = 0; // current element offset
- var _offsetY = 0;
- var _dragElement;
- var _oldZIndex = 0; // we temporarily increase the z-index during drag
- var _debug;
- var _countClick = 0;
- InitDragDrop();
- function InitDragDrop() {
- document.onclick = OnMouseClick;
- document.onMouseClick = OnMouseClick;
-
- }
-
- function OnMouseClick(e) {
-
- _debug = $('debug');
- // if first click this is zero
- if (_countClick == 0) {
- // IE
- if (e == null)
- e = window.event;
-
- // IE uses srcElement, others use target
- var target = e.target != null ? e.target : e.srcElement;
-
- _debug.innerHTML = target.className == 'drag'
- ? 'draggable element clicked'
- : 'NON-draggable element clicked';
-
- // for IE, left click == 1
- // for Firefox, left click == 0
- if ((e.button == 1 && window.event != null || e.button == 0) && target.className == 'drag') {
- // grab the mouse position
- _startX = e.clientX;
- _startY = e.clientY;
-
- // grab the clicked element's position
- _offsetX = ExtractNumber(target.style.left);
- _offsetY = ExtractNumber(target.style.top);
+ <head runat="server">
+ <title></title>
+ <style type="text/css">
+ .drag
+ {
+ position: relative;
+ height: 50px;
+ width: 50px;
+ background-color: #FF0000;
+ color: White;
+ }
- // bring the clicked element to the front while it is being dragged
- _oldZIndex = target.style.zIndex;
- target.style.zIndex = 10000;
+ .dropon
+ {
+ position: relative;
- // set _dragElement for next click
- _dragElement = target;
- // tell our code to start moving the element with the mouse
- document.onmousemove = OnMouseMove;
+ }
+ </style>
+
+ <script type="text/javascript">
+
+ var _startX = 0; // mouse starting positions
+ var _startY = 0;
+ var _offsetX = 0; // current element offset
+ var _offsetY = 0;
+ var _dragElement;
+ var _oldZIndex = 0; // we temporarily increase the z-index during drag
+ var _debug;
+ var _countClick = 0;
+ InitDragDrop();
+ function InitDragDrop() {
+ document.onclick = OnMouseClick;
+ document.onMouseClick = OnMouseClick;
- // cancel out any text selections
- document.body.focus();
+ }
- // prevent text selection in IE
- document.onselectstart = function() { return false; };
- // prevent IE from trying to drag an image
- target.ondragstart = function() { return false; };
+ function OnMouseClick(e) {
+
+ _debug = $('debug');
+ // if first click this is zero
+ if (_countClick == 0) {
+ // IE
+ if (e == null)
+ e = window.event;
+
+ // IE uses srcElement, others use target
+ var target = e.target != null ? e.target : e.srcElement;
+
+ _debug.innerHTML = target.className == 'drag'
+ ? 'draggable element clicked'
+ : 'NON-draggable element clicked';
+
+ // for IE, left click == 1
+ // for Firefox, left click == 0
+ if ((e.button == 1 && window.event != null || e.button == 0) && target.className == 'drag') {
+ // grab the mouse position
+ _startX = e.clientX;
+ _startY = e.clientY;
+
+ // grab the clicked element's position
+ _offsetX = ExtractNumber(target.style.left);
+ _offsetY = ExtractNumber(target.style.top);
+
+ // bring the clicked element to the front while it is being dragged
+ _oldZIndex = target.style.zIndex;
+ target.style.zIndex = 10000;
+
+ // set _dragElement for next click
+ _dragElement = target;
+
+ // tell our code to start moving the element with the mouse
+ document.onmousemove = OnMouseMove;
+
+ // cancel out any text selections
+ document.body.focus();
+
+ // prevent text selection in IE
+ document.onselectstart = function() { return false; };
+ // prevent IE from trying to drag an image
+ target.ondragstart = function() { return false; };
+
+ //set click count to 1 so we know next click is to release
+ _countClick = 1;
+ // prevent text selection (except IE)
+ return false;
+ }
- //set click count to 1 so we know next click is to release
- _countClick = 1;
- // prevent text selection (except IE)
- return false;
}
- }
-
- if (_countClick == 1) {
+ if (_countClick == 1) {
- var hitelements = getElementsByClassName("dropon");
+ var hitelements = getElementsByClassName("dropon");
- for (var i = 0; i < hitelements.length; i++) {
- if (_dragElement != null) {
- var hittest = hitTest(_dragElement, hitelements[i]);
+ for (var i = 0; i < hitelements.length; i++) {
+ if (_dragElement != null) {
+ var hittest = hitTest(_dragElement, hitelements[i]);
- if (hittest) //we have a div we want (dropon)
- {
+ if (hittest) //we have a div we want (dropon)
+ {
- if (_dragElement != null) {
- _dragElement.style.zIndex = _oldZIndex;
+ if (_dragElement != null) {
+ _dragElement.style.zIndex = _oldZIndex;
- // we're done with these events until the next OnMouseDown
- document.onmousemove = null;
- document.onselectstart = null;
- _dragElement.ondragstart = null;
+ // we're done with these events until the next OnMouseDown
+ document.onmousemove = null;
+ document.onselectstart = null;
+ _dragElement.ondragstart = null;
- // this is how we know we're not dragging
- _dragElement = null;
+ // this is how we know we're not dragging
+ _dragElement = null;
- _debug.innerHTML = 'mouse up';
- }
+ _debug.innerHTML = 'mouse up';
+ }
- //set click count back to 0 so next we know it's first click again
- _countClick = 0;
+ //set click count back to 0 so next we know it's first click again
+ _countClick = 0;
+ }
}
- }
- }
+ }
- }
+ }
- }
+ }
- function OnMouseMove(e) {
- if (e == null)
- var e = window.event;
+ function OnMouseMove(e) {
+ if (e == null)
+ var e = window.event;
- // this is the actual "drag code"
- _dragElement.style.left = (_offsetX + e.clientX - _startX) + 'px';
- _dragElement.style.top = (_offsetY + e.clientY - _startY) + 'px';
+ // this is the actual "drag code"
+ _dragElement.style.left = (_offsetX + e.clientX - _startX) + 'px';
+ _dragElement.style.top = (_offsetY + e.clientY - _startY) + 'px';
- _debug.innerHTML = '(' + _dragElement.style.left + ', ' + _dragElement.style.top + ')';
- }
+ _debug.innerHTML = '(' + _dragElement.style.left + ', ' + _dragElement.style.top + ')';
+ }
- function ExtractNumber(value) {
- var n = parseInt(value);
+ function ExtractNumber(value) {
+ var n = parseInt(value);
- return n == null || isNaN(n) ? 0 : n;
- }
+ return n == null || isNaN(n) ? 0 : n;
+ }
- // this is simply a shortcut for the eyes and fingers
- function $(id) {
- return document.getElementById(id);
- }
+ // this is simply a shortcut for the eyes and fingers
+ function $(id) {
+ return document.getElementById(id);
+ }
- function OnMouseUp(e) {
+ function OnMouseUp(e) {
- }
+ }
- hitTest = function(o, l) {
- function getOffset(o) {
- for (var r = { l: o.offsetLeft, t: o.offsetTop, r: o.offsetWidth, b: o.offsetHeight };
- o = o.offsetParent; r.l += o.offsetLeft, r.t += o.offsetTop);
- return r.r += r.l, r.b += r.t, r;
+ hitTest = function(o, l) {
+ function getOffset(o) {
+ for (var r = { l: o.offsetLeft, t: o.offsetTop, r: o.offsetWidth, b: o.offsetHeight };
+ o = o.offsetParent; r.l += o.offsetLeft, r.t += o.offsetTop);
+ return r.r += r.l, r.b += r.t, r;
+ }
+ var a = arguments, j = a.length;
+ j > 2 && (o = { offsetLeft: o, offsetTop: l, offsetWidth: j == 5 ? a[2] : 0,
+ offsetHeight: j == 5 ? a[3] : 0, offsetParent: null
+ }, l = a[j - 1]);
+ for (var b, s, r = [], a = getOffset(o), j = isNaN(l.length), i = (j ? l = [l] : l).length; i;
+ b = getOffset(l[--i]), (a.l == b.l || (a.l > b.l ? a.l <= b.r : b.l <= a.r))
+ && (a.t == b.t || (a.t > b.t ? a.t <= b.b : b.t <= a.b)) && (r[r.length] = l[i]));
+ return j ? !!r.length : r;
+ };
+
+ function getElementsByClassName(classname, node) {
+ if (!node) node = document.getElementsByTagName("body")[0];
+ var a = [];
+ var re = new RegExp('\\b' + classname + '\\b');
+ var els = node.getElementsByTagName("*");
+ for (var i = 0, j = els.length; i < j; i++)
+ if (re.test(els[i].className)) a.push(els[i]);
+ return a;
}
- var a = arguments, j = a.length;
- j > 2 && (o = { offsetLeft: o, offsetTop: l, offsetWidth: j == 5 ? a[2] : 0,
- offsetHeight: j == 5 ? a[3] : 0, offsetParent: null
- }, l = a[j - 1]);
- for (var b, s, r = [], a = getOffset(o), j = isNaN(l.length), i = (j ? l = [l] : l).length; i;
- b = getOffset(l[--i]), (a.l == b.l || (a.l > b.l ? a.l <= b.r : b.l <= a.r))
- && (a.t == b.t || (a.t > b.t ? a.t <= b.b : b.t <= a.b)) && (r[r.length] = l[i]));
- return j ? !!r.length : r;
- };
-
- function getElementsByClassName(classname, node) {
- if (!node) node = document.getElementsByTagName("body")[0];
- var a = [];
- var re = new RegExp('\\b' + classname + '\\b');
- var els = node.getElementsByTagName("*");
- for (var i = 0, j = els.length; i < j; i++)
- if (re.test(els[i].className)) a.push(els[i]);
- return a;
- }
- </script>
-
-</head>
-<body>
- <form id="form1" runat="server">
- <div runat="server" id="thediv" class="drag">
- Drag this
- </div>
-
- <div id="slot1" class="dropon" style='position: absolute; height: 28px; width: 28px;
- top: 200px; left: 200px; background-color: #FF0000; color: White;'>
- </div>
- <div id="slot2" class="dropon" style='position: absolute; height: 28px; width: 28px;
- top: 200px; left: 230px; background-color: #FF0000; color: White;'>
- </div>
- <pre id="debug"> </pre>
- </form>
-</body>
+ </script>
+
+ </head>
+ <body>
+
+ <div runat="server" id="thediv" class="drag">
+ Drag this
+ </div>
+
+ <div id="slot1" class="dropon" style='position: absolute; height: 28px; width: 28px;
+ top: 200px; left: 200px; background-color: #FF0000; color: White;'>
+ </div>
+ <div id="slot2" class="dropon" style='position: absolute; height: 28px; width: 28px;
+ top: 200px; left: 230px; background-color: #FF0000; color: White;'>
+ </div>
+ <pre id="debug"> </pre>
+
+ </body>
</html>
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projects / roojs1 / commitdiff