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Software License Agreement (BSD License)
Copyright (c) 2009, Yahoo! Inc.
All rights reserved.
Redistribution and use of this software in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of Yahoo! Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission of Yahoo! Inc.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Sources of Intellectual Property Included in the YUI Library
YUI is issued by Yahoo! under the BSD license above. Below is a list of certain publicly available software that is the source of intellectual property in YUI, along with the licensing terms that pertain to thosesources of IP. This list is for informational purposes only and is not intended to represent an exhaustive list of third party contributions to the YUI.
* Douglas Crockford's JSON parsing and stringifying methods: In the JSON Utility, Douglas Crockford's JSON parsing and stringifying methods are adapted from work published at JSON.org. The adapted work is in the public domain.
* Robert Penner's animation-easing algorithms: In the Animation Utility, YUI makes use of Robert Penner's algorithms for easing.
* Geoff Stearns's SWFObject: In the Charts Control and the Uploader versions through 2.7.0, YUI makes use of Geoff Stearns's SWFObject v1.5 for Flash Player detection and embedding. More information on SWFObject can be found here (http://blog.deconcept.com/swfobject/). SWFObject is (c) 2007 Geoff Stearns and is released under the MIT License (http://www.opensource.org/licenses/mit-license.php).
* Diego Perini's IEContentLoaded technique: The Event Utility employs a technique developed by Diego Perini and licensed under GPL. YUI's use of this technique is included under our BSD license with the author's permission.
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Using Interaction Groups</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/dragdrop/dragdrop-min.js"></script>
<!--begin custom header content for this example-->
<style type="text/css">
.slot { border:2px solid #aaaaaa; background-color:#dddddd; color:#666666; text-align:center; position: absolute; width:60px; height:60px; }
.player { border:2px solid #bbbbbb; color:#eeeeee; text-align:center; position: absolute; width:60px; height:60px; }
.target { border:2px solid #574188; background-color:#cccccc; text-align:center; position: absolute; width:60px; height:60px; }
#t1 { left: 10px; top: 0px; }
#t2 { left: 378px; top: 0px; }
#b1 { left: 84px; top: 50px; }
#b2 { left: 158px; top: 50px; }
#b3 { left: 232px; top: 50px; }
#b4 { left: 306px; top: 50px; }
#pt1 { background-color:#7E695E; left: 84px; top: 150px; }
#pt2 { background-color:#7E695E; left: 84px; top: 230px; }
#pb1 { background-color:#416153; left: 195px; top: 150px; }
#pb2 { background-color:#416153; left: 195px; top: 230px; }
#pboth1 { background-color:#552E37; left: 306px; top: 150px; }
#pboth2 { background-color:#552E37; left: 306px; top: 230px; }
#usercontrols {
top: -36px;
}
#workarea {
position: relative;
height: 300px;
}
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Using Interaction Groups</h1>
<div class="exampleIntro">
<p>Using interaction groups, this example demonstrates how to
tie into the <a href="http://developer.yahoo.com/yui/dragdrop/">Drag & Drop Utility</a>'s interesting moments to provide visual
affordances for the current drag operation.</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<div id="usercontrols">
Interaction Mode:
<select id="ddmode" >
<option value="0" selected>Point</option>
<option value="1">Intersect</option>
</select>
</div>
<div id="workarea">
<div class="slot" id="t1" >1</div>
<div class="slot" id="t2" >2</div>
<div class="slot" id="b1" >3</div>
<div class="slot" id="b2" >4</div>
<div class="slot" id="b3" >5</div>
<div class="slot" id="b4" >6</div>
<div class="player" id="pt1" >1</div>
<div class="player" id="pt2" >2</div>
<div class="player" id="pb1" >3</div>
<div class="player" id="pb2" >4</div>
<div class="player" id="pboth1" >5</div>
<div class="player" id="pboth2" >6</div>
</div>
<script type="text/javascript">
(function() {
YAHOO.example.DDPlayer = function(id, sGroup, config) {
YAHOO.example.DDPlayer.superclass.constructor.apply(this, arguments);
this.initPlayer(id, sGroup, config);
};
YAHOO.extend(YAHOO.example.DDPlayer, YAHOO.util.DDProxy, {
TYPE: "DDPlayer",
initPlayer: function(id, sGroup, config) {
if (!id) {
return;
}
var el = this.getDragEl()
YAHOO.util.Dom.setStyle(el, "borderColor", "transparent");
YAHOO.util.Dom.setStyle(el, "opacity", 0.76);
// specify that this is not currently a drop target
this.isTarget = false;
this.originalStyles = [];
this.type = YAHOO.example.DDPlayer.TYPE;
this.slot = null;
this.startPos = YAHOO.util.Dom.getXY( this.getEl() );
YAHOO.log(id + " startpos: " + this.startPos, "info", "example");
},
startDrag: function(x, y) {
YAHOO.log(this.id + " startDrag", "info", "example");
var Dom = YAHOO.util.Dom;
var dragEl = this.getDragEl();
var clickEl = this.getEl();
dragEl.innerHTML = clickEl.innerHTML;
dragEl.className = clickEl.className;
Dom.setStyle(dragEl, "color", Dom.getStyle(clickEl, "color"));
Dom.setStyle(dragEl, "backgroundColor", Dom.getStyle(clickEl, "backgroundColor"));
Dom.setStyle(clickEl, "opacity", 0.1);
var targets = YAHOO.util.DDM.getRelated(this, true);
YAHOO.log(targets.length + " targets", "info", "example");
for (var i=0; i<targets.length; i++) {
var targetEl = this.getTargetDomRef(targets[i]);
if (!this.originalStyles[targetEl.id]) {
this.originalStyles[targetEl.id] = targetEl.className;
}
targetEl.className = "target";
}
},
getTargetDomRef: function(oDD) {
if (oDD.player) {
return oDD.player.getEl();
} else {
return oDD.getEl();
}
},
endDrag: function(e) {
// reset the linked element styles
YAHOO.util.Dom.setStyle(this.getEl(), "opacity", 1);
this.resetTargets();
},
resetTargets: function() {
// reset the target styles
var targets = YAHOO.util.DDM.getRelated(this, true);
for (var i=0; i<targets.length; i++) {
var targetEl = this.getTargetDomRef(targets[i]);
var oldStyle = this.originalStyles[targetEl.id];
if (oldStyle) {
targetEl.className = oldStyle;
}
}
},
onDragDrop: function(e, id) {
// get the drag and drop object that was targeted
var oDD;
if ("string" == typeof id) {
oDD = YAHOO.util.DDM.getDDById(id);
} else {
oDD = YAHOO.util.DDM.getBestMatch(id);
}
var el = this.getEl();
// check if the slot has a player in it already
if (oDD.player) {
// check if the dragged player was already in a slot
if (this.slot) {
// check to see if the player that is already in the
// slot can go to the slot the dragged player is in
// YAHOO.util.DDM.isLegalTarget is a new method
if ( YAHOO.util.DDM.isLegalTarget(oDD.player, this.slot) ) {
YAHOO.log("swapping player positions", "info", "example");
YAHOO.util.DDM.moveToEl(oDD.player.getEl(), el);
this.slot.player = oDD.player;
oDD.player.slot = this.slot;
} else {
YAHOO.log("moving player in slot back to start", "info", "example");
YAHOO.util.Dom.setXY(oDD.player.getEl(), oDD.player.startPos);
this.slot.player = null;
oDD.player.slot = null
}
} else {
// the player in the slot will be moved to the dragged
// players start position
oDD.player.slot = null;
YAHOO.util.DDM.moveToEl(oDD.player.getEl(), el);
}
} else {
// Move the player into the emply slot
// I may be moving off a slot so I need to clear the player ref
if (this.slot) {
this.slot.player = null;
}
}
YAHOO.util.DDM.moveToEl(el, oDD.getEl());
this.resetTargets();
this.slot = oDD;
this.slot.player = this;
},
swap: function(el1, el2) {
var Dom = YAHOO.util.Dom;
var pos1 = Dom.getXY(el1);
var pos2 = Dom.getXY(el2);
Dom.setXY(el1, pos2);
Dom.setXY(el2, pos1);
},
onDragOver: function(e, id) {
},
onDrag: function(e, id) {
}
});
var slots = [], players = [],
Event = YAHOO.util.Event, DDM = YAHOO.util.DDM;
Event.onDOMReady(function() {
// slots
slots[0] = new YAHOO.util.DDTarget("t1", "topslots");
slots[1] = new YAHOO.util.DDTarget("t2", "topslots");
slots[2] = new YAHOO.util.DDTarget("b1", "bottomslots");
slots[3] = new YAHOO.util.DDTarget("b2", "bottomslots");
slots[4] = new YAHOO.util.DDTarget("b3", "bottomslots");
slots[5] = new YAHOO.util.DDTarget("b4", "bottomslots");
// players
players[0] = new YAHOO.example.DDPlayer("pt1", "topslots");
players[1] = new YAHOO.example.DDPlayer("pt2", "topslots");
players[2] = new YAHOO.example.DDPlayer("pb1", "bottomslots");
players[3] = new YAHOO.example.DDPlayer("pb2", "bottomslots");
players[4] = new YAHOO.example.DDPlayer("pboth1", "topslots");
players[4].addToGroup("bottomslots");
players[5] = new YAHOO.example.DDPlayer("pboth2", "topslots");
players[5].addToGroup("bottomslots");
DDM.mode = document.getElementById("ddmode").selectedIndex;
Event.on("ddmode", "change", function(e) {
YAHOO.util.DDM.mode = this.selectedIndex;
});
});
})();
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
<!-- presentbright.corp.yahoo.com uncompressed/chunked Thu Feb 19 10:53:13 PST 2009 -->
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yui_2.7.0b.zip( 4,431 k)