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Selectmenu: refresh method, value option, code cleanup

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This commit is contained in:
Felix Nagel 2011-09-24 03:08:03 +02:00
parent d89e9b41a9
commit 1d9fac52f7
2 changed files with 99 additions and 97 deletions
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4
demos/selectmenu/default.html
View File

@ -40,8 +40,8 @@
<label for="speedA">Select a Speed:</label> <label for="speedA">Select a Speed:</label>
<select name="speedA" id="speedA"> <select name="speedA" id="speedA">
<option value="Slower">Slower</option> <option value="Slower">Slower</option>
<option value="Slow" selected="selected">Slow</option> <option value="Slow">Slow</option>
<option value="Medium">Medium</option> <option value="Medium" selected="selected">Medium</option>
<option value="Fast">Fast</option> <option value="Fast">Fast</option>
<option value="Faster">Faster</option> <option value="Faster">Faster</option>
</select> </select>

192
ui/jquery.ui.selectmenu.js vendored
View File

@ -21,6 +21,7 @@ $.widget( "ui.selectmenu", {
defaultElement: "<select>", defaultElement: "<select>",
options: { options: {
dropdown: true, dropdown: true,
iconWidth: 26,
wrapperElement: "<div />", wrapperElement: "<div />",
appendTo: "body", appendTo: "body",
position: { position: {
@ -28,51 +29,52 @@ $.widget( "ui.selectmenu", {
at: "left bottom", at: "left bottom",
collision: "none" collision: "none"
}, },
source: null, source: null,
iconWidth: 26,
// callbacks // callbacks
open: null, open: null,
focus: null, focus: null,
select: null, select: null,
close: null, close: null,
change: null change: null,
}, },
_create: function() { _create: function() {
var self = this, var self = this,
options = this.options, options = this.options,
tabindex = this.element.attr( 'tabindex' ); tabindex = this.element.attr( 'tabindex' )
// set a default id value, generate a new random one if not set by developer
// set a default id value, generate a new random one if not set by developer selectmenuId = self.element.attr( 'id' ) || 'ui-selectmenu-' + Math.random().toString( 16 ).slice( 2, 10 );
var selectmenuId = self.element.attr( 'id' ) || 'ui-selectmenu-' + Math.random().toString( 16 ).slice( 2, 10 );
// quick array of button and menu id's // quick array of button and menu id's
self.ids = [ selectmenuId + '-button', selectmenuId + '-menu' ]; self.ids = [ selectmenuId + '-button', selectmenuId + '-menu' ];
// get options // get options
self.items = self.element.find( 'option' ); self.items = self.element.find( 'option' );
// set options value
options.value = self.element[0].value;
// catch click event of the label // catch click event of the label
self.element.bind( 'click.selectmenu', function() { self.element.bind( 'click.selectmenu', function() {
self.newelement.focus(); self.newelement.focus();
return false; return false;
}); })
.hide();
// create button // create button
self.newelement = $( '<a />', { self.newelement = $( '<a />', {
href: '#' + selectmenuId, href: '#' + selectmenuId,
tabindex: ( tabindex ? tabindex : self.element.attr( 'disabled' ) ? 1 : 0 ), tabindex: ( tabindex ? tabindex : self.element.attr( 'disabled' ) ? 1 : 0 ),
'aria-haspopup': true, id: self.ids[ 0 ],
'aria-owns': self.ids[ 1 ],
css: { css: {
width: self.element.width() width: self.element.width()
} },
'aria-owns': self.ids[ 1 ],
'aria-haspopup': true
}) })
.addClass( self.widgetBaseClass + '-button' ) .addClass( self.widgetBaseClass + '-button' )
.button({ .button({
label: self.items.eq( self.element[0].selectedIndex ).text(), label: self.items.eq( self.element[ 0 ].selectedIndex ).text(),
icons: { icons: {
primary: ( options.dropdown ? 'ui-icon-triangle-1-s' : 'ui-icon-triangle-2-n-s' ) primary: ( options.dropdown ? 'ui-icon-triangle-1-s' : 'ui-icon-triangle-2-n-s' )
} }
@ -83,7 +85,7 @@ $.widget( "ui.selectmenu", {
.insertAfter( self.element ); .insertAfter( self.element );
self.newelement self.newelement
.bind( 'mousedown.selectmenu' , function(event) { .bind( 'mousedown.selectmenu' , function( event ) {
self._toggle( event ); self._toggle( event );
return false; return false;
}) })
@ -101,14 +103,14 @@ $.widget( "ui.selectmenu", {
self._toggle(event); self._toggle(event);
break; break;
case $.ui.keyCode.UP: case $.ui.keyCode.UP:
if (event.altKey) { if ( event.altKey ) {
self._toggle( event ); self._toggle( event );
} else { } else {
self._previous(); self._previous();
} }
break; break;
case $.ui.keyCode.DOWN: case $.ui.keyCode.DOWN:
if (event.altKey) { if ( event.altKey ) {
self._toggle( event ); self._toggle( event );
} else { } else {
self._next(); self._next();
@ -125,7 +127,65 @@ $.widget( "ui.selectmenu", {
} }
return ret; return ret;
}); });
self.refresh();
// document click closes menu
$( document ).bind( 'mousedown.selectmenu', function( event ) {
if ( self.opened && !self.hover) {
window.setTimeout( function() {
self.close( event );
}, 200 );
}
});
},
open: function( event ) {
var self = this,
options = this.options;
// close all other selectmenus
$( '.' + self.widgetBaseClass + '-open' ).not( self.newelement ).each( function() {
$( this ).children( 'ul.ui-menu' ).data( 'element.selectelemenu' ).selectmenu( 'close' );
});
if ( options.dropdown ) {
self.newelement
.addClass( 'ui-corner-top' )
.removeClass( 'ui-corner-all' );
}
var currentItem = self._getCurrenItem();
self.listWrap.addClass( self.widgetBaseClass + '-open' );
self.list.focus().menu( "focus", null, currentItem );
if ( !options.dropdown ) {
// center current item
if ( self.list.css("overflow") == "auto" ) {
self.list.scrollTop( self.list.scrollTop() + currentItem.position().top - self.list.outerHeight()/2 + currentItem.outerHeight()/2 );
}
// calculate offset
var _offset = (self.list.offset().top - currentItem.offset().top + (self.newelement.outerHeight() - currentItem.outerHeight()) / 2);
$.extend( options.position, {
my: "left top",
at: "left top",
offset: "0 " + _offset
});
}
self.listWrap.position( $.extend({
of: this.newelementWrap
}, options.position ));
this.opened = true;
},
refresh: function() {
var self = this,
options = this.options;
// create menu portion, append to body // create menu portion, append to body
self.list = $( '<ul />', { self.list = $( '<ul />', {
'class': 'ui-widget ui-widget-content', 'class': 'ui-widget ui-widget-content',
@ -141,7 +201,8 @@ $.widget( "ui.selectmenu", {
.append( self.list ) .append( self.list )
.appendTo( options.appendTo ); .appendTo( options.appendTo );
self._renderMenu( self.list, self._initSource() ); self._initSource();
self._renderMenu( self.list, options.source );
self.list self.list
.data( 'element.selectelemenu', self.element ) .data( 'element.selectelemenu', self.element )
@ -174,62 +235,8 @@ $.widget( "ui.selectmenu", {
.addClass( 'ui-corner-bottom' ) .addClass( 'ui-corner-bottom' )
.removeClass( 'ui-corner-all' ); .removeClass( 'ui-corner-all' );
} }
// document click closes menu
$( document ).bind( 'mousedown.selectmenu', function( event ) {
if ( self.opened && !self.hover) {
window.setTimeout( function() {
self.close( event );
}, 200 );
}
});
}, },
open: function( event ) {
var self = this,
options = this.options;
// close all other selectmenus
$( '.' + self.widgetBaseClass + '-open' ).not( self.newelement ).each( function() {
$( this ).children( 'ul.ui-menu' ).data( 'element.selectelemenu' ).selectmenu( 'close' );
});
if ( options.dropdown ) {
self.newelement
.addClass( 'ui-corner-top' )
.removeClass( 'ui-corner-all' );
}
var currentItem = self._getCurrenItem();
self.listWrap.addClass( self.widgetBaseClass + '-open' );
self.list.focus().menu( "focus", null, currentItem );
if ( !options.dropdown ) {
// center current item
if ( self.list.css("overflow") == "auto" ) {
self.list.scrollTop( self.list.scrollTop() + currentItem.position().top - self.list.outerHeight()/2 + currentItem.outerHeight()/2 );
}
// calculate offset
var _offset = (self.list.offset().top - currentItem.offset().top + (self.newelement.outerHeight() - currentItem.outerHeight()) / 2);
$.extend( options.position, {
my: "left top",
at: "left top",
offset: "0 " + _offset
});
}
self.listWrap.position( $.extend({
of: this.newelementWrap
}, options.position ));
this.opened = true;
},
close: function( event, focus ) { close: function( event, focus ) {
var self = this, var self = this,
options = this.options; options = this.options;
@ -299,39 +306,34 @@ $.widget( "ui.selectmenu", {
if ( key === "appendTo" ) { if ( key === "appendTo" ) {
this.listWrap.appendTo( $( value || "body", this.element[0].ownerDocument )[0] ); this.listWrap.appendTo( $( value || "body", this.element[0].ownerDocument )[0] );
} }
if ( key === "value" && value) {
this.element[0].value = value;
}
}, },
_initSource: function() { _initSource: function() {
var data = []; if ( !$.isArray( this.options.source ) ) {
var data = [];
$.each( this.items, function( index, item ) { $.each( this.items, function( index, item ) {
var option = $( item ); var option = $( item );
data.push({ data.push({
index: index, index: index,
value: option.attr( 'value' ), value: option.attr( 'value' ),
label: option.text(), label: option.text(),
optgroup: option.parent("optgroup").attr("label") || false optgroup: option.parent("optgroup").attr("label") || false
}); });
}); });
this.options.source = data;
// console.log(data); }
return data;
}, },
_destroy: function() { _destroy: function() {
}, },
_value: function( newValue ) {
if (arguments.length) {
this.element[0].value = newValue;
} else {
return this.element[0].value;
}
},
_index: function( newIndex ) { _index: function( newIndex ) {
if ( arguments.length ) { if ( arguments.length ) {
this.element[0].selectedIndex = newIndex; this.element[0].selectedIndex = newIndex;
self.options.value = this._getCurrenItem().attr( "value" );
} else { } else {
return this.element[0].selectedIndex; return this.element[0].selectedIndex;
} }