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http://dynapi.sourceforge.net/
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Dynapi Examples - Drag & Snap (SnapX)</title>
<meta http-equiv=content-type content="text/html; charset=iso-8859-1">
<script language="JavaScript" src="./dynapisrc/dynapi.js"></script>
<script language="JavaScript">
dynapi.library.setPath('./dynapisrc/');
dynapi.library.include('dynapi.api');
dynapi.library.include('dynapi.api.ext.DragEvent');
dynapi.library.include('dynapi.fx.SnapX');
dynapi.library.include('dynapi.functions.Color');
</script>
<script language="JavaScript">
var l1,l2,l3,l4,l5,l6,l7,l8,l9,l1txt,l2txt,l3txt,l4txt,l5txt,l6txt,l7txt,l8txt,l9txt;
l1txt = '<font size="1" face="Verdana">drag<br />snap<br />inner, 5</font>';
l2txt = '<font size="1" face="Verdana">drag<br />snap<br />outer, 5</font>';
l3txt = '<font size="1" face="Verdana">drag<br />snap<br />both, 5</font>';
l4txt = '<font size="1" face="Verdana">drag<br />snap<br />both, 10<br />sticky</font>';
l5txt = '<font size="1" face="Verdana">drag<br />snap<br />both, 10<br />grid, def</font>';
l6txt = '<font size="1" face="Verdana">static<br />snap<br />def, 15</font>';
l7txt = '<font size="1" face="Verdana">static<br />snap<br />def, 10<br />sticky</font>';
l8txt = '<font size="1" face="Verdana">drag<br />snap<br />def, def<br />grid, def</font>';
//l9txt = '<font size="1" face="Verdana">drag<br />snap<br />def, def</font>';
l1 = new DynLayer(l1txt,25,25,50,50,'red');
l2 = new DynLayer(l2txt,185,25,50,50,'orange');
l3 = new DynLayer(l3txt,350,25,50,50,'yellow');
l4 = new DynLayer(l4txt,515,25,50,50,'lightgreen');
l5 = new DynLayer(l5txt,675,25,50,50,'lightblue');
l6 = new DynLayer(l6txt,25,100,100,100,'violet');
l7 = new DynLayer(l7txt,225,100,100,100,'tan');
l8 = new DynLayer(l8txt,425,100,175,175,'lightgrey');
//l9 = new DynLayer(l9txt,625,100,100,100,'gray');
l1.setTextSelectable(false);
l2.setTextSelectable(false);
l3.setTextSelectable(false);
l4.setTextSelectable(false);
l5.setTextSelectable(false);
l6.setTextSelectable(false);
l7.setTextSelectable(false);
l8.setTextSelectable(false);
//l9.setTextSelectable(false);
l1.enableSnap();
l2.enableSnap();
l3.enableSnap();
l4.enableSnap();
l4.enableStickySnap();
l5.enableSnap();
l5.enableGridSnap();
l6.enableSnap();
l7.enableSnap();
l7.enableStickySnap();
l8.enableSnap();
l8.enableGridSnap();
//l9.enableSnap();
l1.setSnapBoundary('inner',5);
l2.setSnapBoundary('outer',5);
l3.setSnapBoundary('both',5);
l4.setSnapBoundary('both',10);
l5.setSnapBoundary('both',10);
l6.setSnapBoundary(15);
l7.setSnapBoundary(10);
l8.setSnapBoundary(15,40);
l1.setZIndex(100);
l2.setZIndex(101);
l3.setZIndex(102);
l4.setZIndex(103);
l5.setZIndex(104);
l6.setZIndex(10);
l7.setZIndex(11);
l8.setZIndex(12);
//l9.setZIndex(13);
DragEvent.enableDragEvents(l1);
DragEvent.enableDragEvents(l2);
DragEvent.enableDragEvents(l3);
DragEvent.enableDragEvents(l4);
DragEvent.enableDragEvents(l5);
l1.addEventListener({
onsnap : function(e) {
var src = e.getSource();
}
});
l2.addEventListener({
onsnap : function(e) {
var src = e.getSource();
}
});
l3.addEventListener({
onsnap : function(e) {
var src = e.getSource();
}
});
l4.addEventListener({
onsnap : function(e) {
var src = e.getSource();
}
});
l5.addEventListener({
onsnap : function(e) {
var src = e.getSource();
}
});
dynapi.document.addChild(l1);
dynapi.document.addChild(l2);
dynapi.document.addChild(l3);
dynapi.document.addChild(l4);
dynapi.document.addChild(l5);
dynapi.document.addChild(l6);
dynapi.document.addChild(l7);
dynapi.document.addChild(l8);
//dynapi.document.addChild(l9);
</script>
</head>
<body>
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<font face="Verdana, Arial" size="2">Drag & Snap the layers above.<br />
<br />
<b>API notes:</b><br />
<br />
Public Methods (Snap):
<ul>
<li>[null] enableSnap() & disableSnap()</li>
<li>[null] setSnapBoundaryTypeDefault([inner|outer|both]) & [inner|outer|both] getSnapBoundaryTypeDefault()</li>
<li>[null] setSnapBoundaryType([inner|outer|both]) & [snapType] getSnapBoundaryType()</li>
<li>[null] setSnapBoundaryDefault(b) & [b] getSnapBoundaryDefault()</li>
<li>[null] setSnapBoundary() or setSnapBoundary(b) or<br />
[null] setSnapBoundary([inner|outer|both],b) or<br />
[null] setSnapBoundary(number,number) or<br />
[null] setSnapBoundary([inner|outer|both],t,r,b,l) or<br />
[null] setSnapBoundary(ti,ri,bi,li,to,ro,bo,lo)</li>
<li>[Array (t,r,b,l)] getSnapBoundary([inner|outer]) or<br/>
[Array (ti,ri,bi,li,to,ro,bo,lo)] getSnapBoundary(both)</li>
<li>[null] enableStickySnap() & disableStickySnap()</li>
<li>[null] enableGridSnap() & disableGridSnap()</li>
<li>[null] setGridSnapSize(b)</li>
</ul>
BUGS list:
<ul>
<li>Dragging a grid snap layer over a sticky snap layer acts like grid snap when it should not.</li>
<li>Double check & clean up inner & outer corner grid snapping code.</li>
<li>Add sticky snap support for both sides of the target layer's border (currently inner or outer only).</li>
<li>Add sticky snap support for upper-right and lower-left corners (i.e. reflective w.r.t. real edge).</li>
<li>Find a way to make the snapping/resnapping less jittery (i.e. sticky & grid are options).</li>
</ul>
TODO list:
<ul>
<li>Add argument passing to enableSnap() for more compact way to specify snap type [normal|sticky|grid], boundary type [inner|outer|both], grid size (if applicable) and boundary sizes.</li>
<li>Add a dockable feature.</li>
<li>Add a "ghost" feature.</li>
</ul>
</font>
</body>
</html>
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nav_dynapi.zip 
