jquery-mobile/js/jquery.mobile.page.sections.js

101 lines
2.9 KiB
JavaScript

/*
* This plugin handles theming and layout of headers, footers, and content areas
*/
(function( $, undefined ) {
$.widget( "mobile.sections", $.mobile.widget, {
options: {
initSelector : ":jqmData(role='page'), :jqmData(role='dialog')",
sectionSelector : ":jqmData(role='header'), :jqmData(role='footer'), :jqmData(role='content')",
backBtnText : "top",
addBackBtn : null,
backBtnTheme : ":jqmData(role='navbar')",
headerTheme : "a",
footerTheme : "a",
contentTheme : null
},
_create: function() {
var self = this;
$( self.options.initSelector ).each(function() {
var $page = $( this ),
o = self.options,
pageRole = $page.jqmData( "role" ),
pageTheme = o.theme;
$( o.sectionSelector, this ).each(function() {
var $this = $( this ),
role = $this.jqmData( "role" ),
theme = $this.jqmData( "theme" ),
contentTheme = theme || o.contentTheme || ( pageRole === "dialog" && pageTheme ),
$headeranchors,
leftbtn,
rightbtn,
backBtn;
$this.addClass( "ui-" + role );
//apply theming and markup modifications to page,header,content,footer
if ( role === "header" || role === "footer" ) {
var thisTheme = theme || ( role === "header" ? o.headerTheme : o.footerTheme ) || pageTheme;
$this
//add theme class
.addClass( "ui-bar-" + thisTheme )
// Add ARIA role
.attr( "role", role === "header" ? "banner" : "contentinfo" );
// Right,left buttons
$headeranchors = $this.children( "a" );
leftbtn = $headeranchors.hasClass( "ui-btn-left" );
rightbtn = $headeranchors.hasClass( "ui-btn-right" );
leftbtn = leftbtn || $headeranchors.eq( 0 ).not( ".ui-btn-right" ).addClass( "ui-btn-left" ).length;
rightbtn = rightbtn || $headeranchors.eq( 1 ).addClass( "ui-btn-right" ).length;
// Auto-add back btn on pages beyond first view
if ( o.addBackBtn &&
role === "header" &&
$( ".ui-page" ).length > 1 &&
$this.jqmData( "url" ) !== $.mobile.path.stripHash( location.hash ) &&
!leftbtn ) {
backBtn = $( "<a href='#' class='ui-btn-left' data-"+ $.mobile.ns +"rel='back' data-"+ $.mobile.ns +"icon='arrow-l'>"+ o.backBtnText +"</a>" )
// If theme is provided, override default inheritance
.attr( "data-"+ $.mobile.ns +"theme", o.backBtnTheme || thisTheme )
.prependTo( $this );
}
// Page title
$this.children( "h1, h2, h3, h4, h5, h6" )
.addClass( "ui-title" )
// Regardless of h element number in src, it becomes h1 for the enhanced page
.attr({
"tabindex": "0",
"role": "heading",
"aria-level": "1"
});
} else if ( role === "content" ) {
if ( contentTheme ) {
$this.addClass( "ui-body-" + ( contentTheme ) );
}
// Add ARIA role
$this.attr( "role", "main" );
}
});
});
}
});
$( document ).bind( "pagecreate create", function( e ) {
$( e.target ).sections();
});
})( jQuery );