upgraded yui to 2.2.2 and yui-ext to 1.0.1a
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JT Smith
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242
www/extras/yui/examples/dragdrop/circle.html
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242
www/extras/yui/examples/dragdrop/circle.html
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<!doctype html public "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<title>Yahoo! UI Library - Drag and Drop</title>
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<link rel="stylesheet" type="text/css" href="./css/screen.css">
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</head>
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<body>
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<script type="text/javascript" src="../../build/yahoo/yahoo-min.js" ></script>
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<script type="text/javascript" src="../../build/event/event-min.js" ></script>
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<script type="text/javascript" src="../../build/dom/dom-min.js"></script>
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<script type="text/javascript" src="../../build/logger/logger-min.js"></script>
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<script type="text/javascript" src="../../build/dragdrop/dragdrop-debug.js" ></script>
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<script type="text/javascript" src="../../build/animation/animation.js"></script>
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<script type="text/javascript">
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YAHOO.example.DDApp = function() {
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var dd;
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var clickRadius = 46, startPos = [105, 280];
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var Event=YAHOO.util.Event
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var Dom=YAHOO.util.Dom;
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return {
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init: function() {
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var el = Dom.get("dragDiv1");
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// Event.on(el, "selectstart", Event.preventDefault);
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dd = new YAHOO.util.DD(el);
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dd.clickValidator = function(e) {
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// get the screen rectangle for the element
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var el = this.getEl();
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var region = Dom.getRegion(el);
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// get the radius of the largest circle that can fit inside
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// var w = region.right - region.left;
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// var h = region.bottom - region.top;
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// var r = Math.round(Math.min(h, w) / 2);
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//-or- just use a well-known radius
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var r = clickRadius;
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// get the location of the click
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var x1 = Event.getPageX(e), y1 = Event.getPageY(e);
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// get the center of the circle
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var x2 = Math.round((region.right+region.left)/2);
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var y2 = Math.round((region.top+region.bottom)/2);
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// I don't want text selection even if the click does not
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// initiate a drag
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Event.preventDefault(e);
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// check to see if the click is in the circle
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return ( ((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2)) <= r*r );
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};
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dd.onDragDrop = function(e, id) {
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// center it in the square
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Dom.setXY(this.getEl(), Dom.getXY(id));
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}
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dd.onInvalidDrop = function(e) {
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// return to the start position
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// Dom.setXY(this.getEl(), startPos);
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// Animating the move is more intesting
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new YAHOO.util.Motion(
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this.id, {
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points: {
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to: startPos
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}
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},
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0.3,
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YAHOO.util.Easing.easeOut
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).animate();
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}
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dd2 = new YAHOO.util.DDTarget("dragDiv2");
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}
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}
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} ();
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YAHOO.util.Event.addListener(window, "load", YAHOO.example.DDApp.init);
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</script>
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<style type="text/css">
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#dragDiv1 {
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background:url(img/circle.gif) 0 0 no-repeat;
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top:280px; left:105px;
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border:0px solid black;
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z-index:10;
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cursor:default;
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}
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#dragDiv2 {
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background:url(img/sq2.png) 0 0 no-repeat;
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background:#A0B9A6;top:390px; left:215px;
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border:0px solid black;
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cursor:default;
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}
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</style>
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<div id="pageTitle"><h3>Drag and Drop - YAHOO.util.DD</h3></div>
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<style type="text/css">
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/* logger default styles */
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/* font size is controlled here: default 77% */
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#yui-log {position:absolute;top:1em;right:1em;font-size:77%;text-align:left;}
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/* width is controlled here: default 31em */
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.yui-log {background-color:#AAA;border:1px solid black;font-family:monospace;z-index:9000;}
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.yui-log p {margin:1px;padding:.1em;}
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.yui-log button {font-family:monospace;}
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.yui-log .yui-log-hd {padding:.5em;background-color:#575757;color:#FFF;}
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/* height is controlled here: default 20em*/
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.yui-log .yui-log-bd {width:100%;height:20em;background-color:#FFF;border:1px solid gray;overflow:auto;}
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.yui-log .yui-log-ft {margin-top:.5em;margin-bottom:1em;}
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.yui-log .yui-log-ft .yui-log-categoryfilters {}
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.yui-log .yui-log-ft .yui-log-sourcefilters {width:100%;border-top:1px solid #575757;margin-top:.75em;padding-top:.75em;}
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.yui-log .yui-log-btns {position:relative;float:right;bottom:.25em;}
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.yui-log .yui-log-filtergrp {margin-right:.5em;}
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.yui-log .info {background-color:#A7CC25;} /* A7CC25 green */
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.yui-log .warn {background-color:#F58516;} /* F58516 orange */
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.yui-log .error {background-color:#E32F0B;} /* E32F0B red */
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.yui-log .time {background-color:#A6C9D7;} /* A6C9D7 blue */
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.yui-log .window {background-color:#F2E886;} /* F2E886 tan */
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</style>
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<img id="ylogo" src="img/logo.gif" />
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<div id="container">
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<div id="containerTop">
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<div id="header">
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<h4> </h4>
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</div>
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<div id="main">
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<div id="rightbar">
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<div id="rightBarPad">
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<h3>Examples</h3>
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<div id="linkage">
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<ul>
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<li><a href="drag.html?mode=dist">Drag test</a></li>
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<li><a href="ontop.html?mode=dist">Always on top</a></li>
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<li><a href="proxy.html?mode=dist">Proxy drag</a> </li>
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<li><a href="list.html?mode=dist">Sortable list</a> </li>
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<!--
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<li><a href="slider.html?mode=dist">Slider</a></li>
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-->
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<li><a href="multihandle.html?mode=dist">Multiple handles</a></li>
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<li><a href="targetable.html?mode=dist">Targetable affordance</a></li>
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<li><a href="grid.html?mode=dist">Grid</a></li>
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<li><a href="resize.html?mode=dist">Resize pane</a></li>
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<li><a href="circle.html?mode=dist">Custom click validator</a></li>
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</ul>
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</div>
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<script type="text/javascript">
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//<![CDATA[
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YAHOO.example.logApp = {
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reader: null,
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init: function() {
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if (YAHOO.widget.Logger) {
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this.reader = new YAHOO.widget.LogReader( "logDiv",
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{ newestOnTop: true, height: "400px" } );
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this.reader._onClickPauseBtn(null, this.reader);
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}
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}
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};
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YAHOO.util.Event.on(window, "load", YAHOO.example.logApp.init);
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//]]>
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</script>
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</h4>
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<div id="logDiv"></div>
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</div>
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</div>
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<div id="content">
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<form name="dragDropForm" action="javscript:;">
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<div class="newsItem">
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<h3>Custom Click Validator Implementation and onInvalidDrop</h3>
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<p>
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In this example, we override clickValidator to provide custom logic for
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determining if the initial mousedown should initiate a drag. A drag is
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initiated only if the mousedown happens inside of the circle.
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<br />
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In addition, the circle snaps back to its inital position if not dropped
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on a target. This is done by overriding the onInvalidDrop method.
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</p>
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<strong>The logger is paused for performance reasons. Click "Resume" to re-enable it.</strong>
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</div>
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</form>
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</div>
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<div id="footerContainer">
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<div id="footer">
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<p> </p>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div id="dragDiv1" class="testSquare" ><br />DD</div>
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<div id="dragDiv2" class="testSquare" >DDTarget</div>
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</body>
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</html>
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