JavaScript DHTML/Ajax Layer/Drag Constrain — различия между версиями
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Admin (обсуждение | вклад) м (1 версия) |
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Текущая версия на 07:49, 26 мая 2010
Drag and drop: constrain to parent element
<!--
Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-->
<!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" xml:lang="en" lang="en">
<head>
<title>script.aculo.us Drag and drop functional test file</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script src="./scriptaculous-js-1.6.4src/prototype.js" type="text/javascript"></script>
<script src="./scriptaculous-js-1.6.4src/scriptaculous.js" type="text/javascript"></script>
<script src="./scriptaculous-js-1.6.4src/unittest.js" type="text/javascript"></script>
<style type="text/css" media="screen">
div.box { background: green; width:100px; height:100px }
div.box-container { background: yellow; width:200px; height:200px }
</style>
</head>
<body>
<h1>script.aculo.us Drag and drop functional test file</h1>
<h2>Draggables/Droppables</h2>
<div id="box-normal" class="box">
Normal box
</div>
<div id="box-grid-numeric" class="box">
snap: 25
</div>
<div id="box-grid-array" class="box">
snap: [5,25]
</div>
<div id="box-grid-procedural" class="box">
snap: procedural (e.g. constrain to box)
</div>
<div class="box-container">
<div id="box-grid-procedural-gets-draggable" class="box">
snap: procedural (e.g. constrain to parent element)
</div>
</div>
<script type="text/javascript" language="javascript" charset="utf-8">
new Draggable("box-normal",{snap:false,revert:true});
new Draggable("box-grid-numeric",{snap:25,revert:true});
new Draggable("box-grid-array",{snap:[5,25],revert:true});
new Draggable("box-grid-procedural",{
snap: function(x,y) {
return[
x<100 ? (x > 0 ? x : 0 ) : 100,
y<50 ? (y > 0 ? y : 0) : 50];
},
revert:true
});
new Draggable("box-grid-procedural-gets-draggable",{
snap: function(x,y,draggable) {
function constrain(n, lower, upper) {
if (n > upper) return upper;
else if (n < lower) return lower;
else return n;
}
element_dimensions = Element.getDimensions(draggable.element);
parent_dimensions = Element.getDimensions(draggable.element.parentNode);
return[
constrain(x, 0, parent_dimensions.width - element_dimensions.width),
constrain(y, 0, parent_dimensions.height - element_dimensions.height)];
},
revert:true
});
</script>
</body>
</html>
<A href="http://www.wbex.ru/Code/JavaScriptDownload/scriptaculous-js-1.6.4.zip">scriptaculous-js-1.6.4.zip( 139 k)</a>
Drag and drop: snap 25
<!--
Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-->
<!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" xml:lang="en" lang="en">
<head>
<title>script.aculo.us Drag and drop functional test file</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script src="./scriptaculous-js-1.6.4src/prototype.js" type="text/javascript"></script>
<script src="./scriptaculous-js-1.6.4src/scriptaculous.js" type="text/javascript"></script>
<script src="./scriptaculous-js-1.6.4src/unittest.js" type="text/javascript"></script>
<style type="text/css" media="screen">
div.box { background: green; width:100px; height:100px }
div.box-container { background: yellow; width:200px; height:200px }
</style>
</head>
<body>
<h1>script.aculo.us Drag and drop functional test file</h1>
<h2>Draggables/Droppables</h2>
<div id="box-normal" class="box">
Normal box
</div>
<div id="box-grid-numeric" class="box">
snap: 25
</div>
<div id="box-grid-array" class="box">
snap: [5,25]
</div>
<div id="box-grid-procedural" class="box">
snap: procedural (e.g. constrain to box)
</div>
<div class="box-container">
<div id="box-grid-procedural-gets-draggable" class="box">
snap: procedural (e.g. constrain to parent element)
</div>
</div>
<script type="text/javascript" language="javascript" charset="utf-8">
new Draggable("box-normal",{snap:false,revert:true});
new Draggable("box-grid-numeric",{snap:25,revert:true});
new Draggable("box-grid-array",{snap:[5,25],revert:true});
new Draggable("box-grid-procedural",{
snap: function(x,y) {
return[
x<100 ? (x > 0 ? x : 0 ) : 100,
y<50 ? (y > 0 ? y : 0) : 50];
},
revert:true
});
new Draggable("box-grid-procedural-gets-draggable",{
snap: function(x,y,draggable) {
function constrain(n, lower, upper) {
if (n > upper) return upper;
else if (n < lower) return lower;
else return n;
}
element_dimensions = Element.getDimensions(draggable.element);
parent_dimensions = Element.getDimensions(draggable.element.parentNode);
return[
constrain(x, 0, parent_dimensions.width - element_dimensions.width),
constrain(y, 0, parent_dimensions.height - element_dimensions.height)];
},
revert:true
});
</script>
</body>
</html>
<A href="http://www.wbex.ru/Code/JavaScriptDownload/scriptaculous-js-1.6.4.zip">scriptaculous-js-1.6.4.zip( 139 k)</a>
Drag and drop: snap to a box
<!--
Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-->
<!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" xml:lang="en" lang="en">
<head>
<title>script.aculo.us Drag and drop functional test file</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script src="./scriptaculous-js-1.6.4src/prototype.js" type="text/javascript"></script>
<script src="./scriptaculous-js-1.6.4src/scriptaculous.js" type="text/javascript"></script>
<script src="./scriptaculous-js-1.6.4src/unittest.js" type="text/javascript"></script>
<style type="text/css" media="screen">
div.box { background: green; width:100px; height:100px }
div.box-container { background: yellow; width:200px; height:200px }
</style>
</head>
<body>
<h1>script.aculo.us Drag and drop functional test file</h1>
<h2>Draggables/Droppables</h2>
<div id="box-normal" class="box">
Normal box
</div>
<div id="box-grid-numeric" class="box">
snap: 25
</div>
<div id="box-grid-array" class="box">
snap: [5,25]
</div>
<div id="box-grid-procedural" class="box">
snap: procedural (e.g. constrain to box)
</div>
<div class="box-container">
<div id="box-grid-procedural-gets-draggable" class="box">
snap: procedural (e.g. constrain to parent element)
</div>
</div>
<script type="text/javascript" language="javascript" charset="utf-8">
new Draggable("box-normal",{snap:false,revert:true});
new Draggable("box-grid-numeric",{snap:25,revert:true});
new Draggable("box-grid-array",{snap:[5,25],revert:true});
new Draggable("box-grid-procedural",{
snap: function(x,y) {
return[
x<100 ? (x > 0 ? x : 0 ) : 100,
y<50 ? (y > 0 ? y : 0) : 50];
},
revert:true
});
new Draggable("box-grid-procedural-gets-draggable",{
snap: function(x,y,draggable) {
function constrain(n, lower, upper) {
if (n > upper) return upper;
else if (n < lower) return lower;
else return n;
}
element_dimensions = Element.getDimensions(draggable.element);
parent_dimensions = Element.getDimensions(draggable.element.parentNode);
return[
constrain(x, 0, parent_dimensions.width - element_dimensions.width),
constrain(y, 0, parent_dimensions.height - element_dimensions.height)];
},
revert:true
});
</script>
</body>
</html>
<A href="http://www.wbex.ru/Code/JavaScriptDownload/scriptaculous-js-1.6.4.zip">scriptaculous-js-1.6.4.zip( 139 k)</a>
