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Demos: Add popup alignment demo featuring new popup extension. Fixes #…
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Gabriel Schulhof
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Jul 27, 2013
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<!DOCTYPE html> | ||
<html> | ||
<head> | ||
<meta charset="utf-8"> | ||
<meta name="viewport" content="width=device-width, initial-scale=1"> | ||
<title>Popup alignment - jQuery Mobile Demos</title> | ||
<link rel="stylesheet" href="../../../css/themes/default/jquery.mobile.css"> | ||
<link rel="stylesheet" href="../../_assets/css/jqm-demos.css"> | ||
<link rel="shortcut icon" href="../../favicon.ico"> | ||
<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Open+Sans:300,400,700"> | ||
<script src="../../../js/jquery.js"></script> | ||
<script src="../../_assets/js/"></script> | ||
<script src="../../../js/"></script> | ||
<script id="extension" src="popup.alignment.js"></script> | ||
<script id="glue"> | ||
( function( $, undefined ) { | ||
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$.mobile.document.on( "slidestop", function() { | ||
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setTimeout( function() { | ||
$( "#alignment-example" ).popup( "option", "align", | ||
$( "#xalign" ).val() + "," + $( "#yalign" ).val() ); | ||
}, 250 ); | ||
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}); | ||
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})( jQuery ); | ||
</script> | ||
<style id="alignment-example-style"> | ||
#alignment-example { | ||
min-width: 200px; | ||
opacity: 0.8; | ||
} | ||
#open-alignment-example { | ||
position: absolute; | ||
width: 3em; | ||
min-width: 3em; | ||
max-width: 3em; | ||
height: 1.2em; | ||
min-height: 1.2em; | ||
max-height: 1.2em; | ||
margin-left: -1.5em; | ||
margin-top: -0.6em; | ||
left: 50%; | ||
top: 50%; | ||
background-color: #ffa0a0; | ||
border-color: black; | ||
} | ||
</style> | ||
</head> | ||
<body> | ||
<div data-role="page" id="demo-intro" class="jqm-demos"> | ||
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<div data-role="header" class="jqm-header"> | ||
<h1 class="jqm-logo"><a href="../../"><img src="../../_assets/img/jquery-logo.png" alt="jQuery Mobile Framework"></a></h1> | ||
<a href="#" class="jqm-navmenu-link" data-icon="bars" data-iconpos="notext">Navigation</a> | ||
<a href="#" class="jqm-search-link" data-icon="search" data-iconpos="notext">Search</a> | ||
<?php include( '../../search.php' ); ?> | ||
</div><!-- /header --> | ||
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<div data-role="content" class="jqm-content"> | ||
<div data-demo-html="true" data-demo-js="#extension" data-demo-css="#alignment-example-style"> | ||
<div data-role="popup" id="alignment-example" class="ui-content"> | ||
<form data-role="fieldset"> | ||
<div data-role="fieldcontain"> | ||
<label for="xalign">X Alignment</label> | ||
<input type="range" id="xalign" name="xalign" value="0.5" min="-1" max="2" step="0.5"></input> | ||
</div> | ||
<div data-role="fieldcontain"> | ||
<label for="yalign">Y Alignment</label> | ||
<input type="range" id="yalign" name="yalign" value="0.5" min="-1" max="2" step="0.5"></input> | ||
</div> | ||
</form> | ||
</div> | ||
</div> | ||
</div><!-- /content --> | ||
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<div data-role="footer" class="jqm-footer"> | ||
<p class="jqm-version"></p> | ||
<p>Copyright 2013 The jQuery Foundation</p> | ||
</div><!-- /jqm-footer --> | ||
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<?php include( '../../global-nav.php' ); ?> | ||
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<a href="#alignment-example" id="open-alignment-example" data-rel="popup" data-role="button" data-inline="true">Open</a> | ||
</div><!-- /page --> | ||
</body> | ||
</html> |
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( function( $, undefined ) { | ||
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// Eventually, the real handleLink function should pass the coordinates and | ||
// size of the rectangle representing the origin into popup's "open" method, or | ||
// maybe the origin itself, instead of merely the midpoint of it. Here, the | ||
// origin (link) is saved in lastLink, and appended to the options in the | ||
// overridden version of open. Thankfully, JS is not multithreaded. Hooray! | ||
var lastLink, | ||
origHandleLink = $.mobile.popup.handleLink, | ||
handleLink = function( link ) { | ||
lastLink = link; | ||
return origHandleLink.apply( this, arguments ); | ||
}; | ||
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$.mobile.popup.handleLink = handleLink; | ||
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$.widget( "mobile.popup", $.mobile.popup, { | ||
options: { | ||
align: "0.5,0.5" | ||
}, | ||
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open: function( options ) { | ||
this._ui.link = lastLink; | ||
return this._super( options ); | ||
}, | ||
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_closePrereqsDone: function() { | ||
this._ui.link = null; | ||
this._superApply( arguments ); | ||
}, | ||
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_alignmentToCoeffs: function( alignment ) { | ||
return { | ||
originCoeff: | ||
alignment < 0 ? 0 : | ||
alignment <= 1 ? alignment : | ||
1, | ||
popupCoeff: | ||
alignment < 0 ? alignment : | ||
alignment <= 1 ? -alignment : | ||
alignment - 2 | ||
}; | ||
}, | ||
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_getAlignment: function() { | ||
var ar, align; | ||
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if ( this.options.align ) { | ||
ar = this.options.align.split( "," ); | ||
} | ||
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if ( ar && ar.length > 0 ) { | ||
align = { | ||
x: parseFloat( ar[ 0 ] ), | ||
y: ar.length > 1 ? parseFloat( ar[ 1 ] ) : align.x | ||
}; | ||
} | ||
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if ( align && !( isNaN( align.x ) || isNaN( align.y ) ) ) { | ||
return { | ||
x: this._alignmentToCoeffs( align.x ), | ||
y: this._alignmentToCoeffs( align.y ) | ||
}; | ||
} | ||
}, | ||
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_setOptions: function( options ) { | ||
var linkOffset, linkSize; | ||
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this._super( options ); | ||
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if ( this._isOpen && | ||
options.align !== undefined && | ||
this._ui.link !== null && | ||
( this._ui.link.jqmData( "position-to" ) === "origin" || | ||
this.options.positionTo === "origin" ) ) { | ||
linkOffset = this._ui.link.offset(); | ||
linkSize = { | ||
cx: this._ui.link.outerWidth(), | ||
cy: this._ui.link.outerHeight() | ||
}; | ||
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this._reposition({ | ||
x: linkOffset.left + linkSize.cx / 2, | ||
y: linkOffset.top + linkSize.cy / 2, | ||
positionTo: "origin" | ||
}); | ||
} | ||
}, | ||
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_alignedCoord: function( start, coeffs, originSize, popupSize ) { | ||
return ( | ||
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// Start at the origin | ||
start + | ||
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// Apply lignment | ||
coeffs.originCoeff * originSize + coeffs.popupCoeff * popupSize + | ||
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// Resulting coordinate needs to be that of the middle of the popup, so | ||
// add half a popup width | ||
popupSize / 2 ); | ||
}, | ||
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_desiredCoords: function( options ) { | ||
var linkBox, offset, clampInfo, | ||
alignment = this._getAlignment(); | ||
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if ( alignment && options.positionTo === "origin" && this._ui.link ) { | ||
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// Grab the size of the popup and the offset and size of the link | ||
clampInfo = this._clampPopupWidth( true ); | ||
clampInfo.menuSize.cx = Math.min( clampInfo.menuSize.cx, clampInfo.rc.cx ); | ||
offset = this._ui.link.offset(); | ||
linkBox = { | ||
x: offset.left, | ||
y: offset.top, | ||
cx: this._ui.link.outerWidth(), | ||
cy: this._ui.link.outerHeight() | ||
}; | ||
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// Determine the desired coordinates of the middle of the popup | ||
options.x = this._alignedCoord( linkBox.x, alignment.x, linkBox.cx, clampInfo.menuSize.cx ); | ||
options.y = this._alignedCoord( linkBox.y, alignment.y, linkBox.cy, clampInfo.menuSize.cy ); | ||
} | ||
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return this._super( options ); | ||
} | ||
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}); | ||
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})( jQuery ); |
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