mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-12-07 06:14:24 +00:00
450 lines
11 KiB
JavaScript
450 lines
11 KiB
JavaScript
/*!
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* jQuery UI Button @VERSION
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* http://jqueryui.com
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*
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* Copyright OpenJS Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*/
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//>>label: Button
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//>>group: Widgets
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//>>description: Enhances a form with themeable buttons.
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//>>docs: http://api.jqueryui.com/button/
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//>>demos: http://jqueryui.com/button/
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//>>css.structure: ../../themes/base/core.css
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//>>css.structure: ../../themes/base/button.css
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//>>css.theme: ../../themes/base/theme.css
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( function( factory ) {
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"use strict";
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define( [
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"jquery",
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// These are only for backcompat
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// TODO: Remove after 1.12
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"./controlgroup",
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"./checkboxradio",
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"../keycode",
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"../widget"
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], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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} )( function( $ ) {
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"use strict";
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$.widget( "ui.button", {
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version: "@VERSION",
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defaultElement: "<button>",
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options: {
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classes: {
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"ui-button": "ui-corner-all"
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},
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disabled: null,
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icon: null,
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iconPosition: "beginning",
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label: null,
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showLabel: true
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},
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_getCreateOptions: function() {
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var disabled,
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// This is to support cases like in jQuery Mobile where the base widget does have
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// an implementation of _getCreateOptions
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options = this._super() || {};
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this.isInput = this.element.is( "input" );
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disabled = this.element[ 0 ].disabled;
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if ( disabled != null ) {
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options.disabled = disabled;
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}
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this.originalLabel = this.isInput ? this.element.val() : this.element.html();
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if ( this.originalLabel ) {
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options.label = this.originalLabel;
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}
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return options;
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},
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_create: function() {
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if ( !this.option.showLabel & !this.options.icon ) {
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this.options.showLabel = true;
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}
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// We have to check the option again here even though we did in _getCreateOptions,
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// because null may have been passed on init which would override what was set in
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// _getCreateOptions
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if ( this.options.disabled == null ) {
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this.options.disabled = this.element[ 0 ].disabled || false;
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}
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this.hasTitle = !!this.element.attr( "title" );
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// Check to see if the label needs to be set or if its already correct
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if ( this.options.label && this.options.label !== this.originalLabel ) {
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if ( this.isInput ) {
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this.element.val( this.options.label );
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} else {
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this.element.html( this.options.label );
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}
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}
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this._addClass( "ui-button", "ui-widget" );
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this._setOption( "disabled", this.options.disabled );
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this._enhance();
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if ( this.element.is( "a" ) ) {
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this._on( {
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"keyup": function( event ) {
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if ( event.keyCode === $.ui.keyCode.SPACE ) {
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event.preventDefault();
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// Support: PhantomJS <= 1.9, IE 8 Only
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// If a native click is available use it so we actually cause navigation
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// otherwise just trigger a click event
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if ( this.element[ 0 ].click ) {
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this.element[ 0 ].click();
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} else {
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this.element.trigger( "click" );
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}
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}
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}
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} );
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}
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},
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_enhance: function() {
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if ( !this.element.is( "button" ) ) {
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this.element.attr( "role", "button" );
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}
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if ( this.options.icon ) {
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this._updateIcon( "icon", this.options.icon );
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this._updateTooltip();
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}
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},
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_updateTooltip: function() {
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this.title = this.element.attr( "title" );
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if ( !this.options.showLabel && !this.title ) {
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this.element.attr( "title", this.options.label );
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}
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},
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_updateIcon: function( option, value ) {
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var icon = option !== "iconPosition",
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position = icon ? this.options.iconPosition : value,
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displayBlock = position === "top" || position === "bottom";
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// Create icon
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if ( !this.icon ) {
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this.icon = $( "<span>" );
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this._addClass( this.icon, "ui-button-icon", "ui-icon" );
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if ( !this.options.showLabel ) {
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this._addClass( "ui-button-icon-only" );
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}
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} else if ( icon ) {
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// If we are updating the icon remove the old icon class
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this._removeClass( this.icon, null, this.options.icon );
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}
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// If we are updating the icon add the new icon class
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if ( icon ) {
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this._addClass( this.icon, null, value );
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}
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this._attachIcon( position );
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// If the icon is on top or bottom we need to add the ui-widget-icon-block class and remove
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// the iconSpace if there is one.
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if ( displayBlock ) {
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this._addClass( this.icon, null, "ui-widget-icon-block" );
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if ( this.iconSpace ) {
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this.iconSpace.remove();
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}
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} else {
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// Position is beginning or end so remove the ui-widget-icon-block class and add the
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// space if it does not exist
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if ( !this.iconSpace ) {
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this.iconSpace = $( "<span> </span>" );
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this._addClass( this.iconSpace, "ui-button-icon-space" );
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}
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this._removeClass( this.icon, null, "ui-wiget-icon-block" );
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this._attachIconSpace( position );
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}
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},
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_destroy: function() {
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this.element.removeAttr( "role" );
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if ( this.icon ) {
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this.icon.remove();
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}
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if ( this.iconSpace ) {
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this.iconSpace.remove();
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}
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if ( !this.hasTitle ) {
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this.element.removeAttr( "title" );
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}
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},
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_attachIconSpace: function( iconPosition ) {
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this.icon[ /^(?:end|bottom)/.test( iconPosition ) ? "before" : "after" ]( this.iconSpace );
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},
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_attachIcon: function( iconPosition ) {
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this.element[ /^(?:end|bottom)/.test( iconPosition ) ? "append" : "prepend" ]( this.icon );
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},
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_setOptions: function( options ) {
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var newShowLabel = options.showLabel === undefined ?
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this.options.showLabel :
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options.showLabel,
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newIcon = options.icon === undefined ? this.options.icon : options.icon;
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if ( !newShowLabel && !newIcon ) {
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options.showLabel = true;
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}
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this._super( options );
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},
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_setOption: function( key, value ) {
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if ( key === "icon" ) {
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if ( value ) {
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this._updateIcon( key, value );
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} else if ( this.icon ) {
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this.icon.remove();
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if ( this.iconSpace ) {
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this.iconSpace.remove();
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}
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}
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}
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if ( key === "iconPosition" ) {
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this._updateIcon( key, value );
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}
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// Make sure we can't end up with a button that has neither text nor icon
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if ( key === "showLabel" ) {
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this._toggleClass( "ui-button-icon-only", null, !value );
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this._updateTooltip();
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}
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if ( key === "label" ) {
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if ( this.isInput ) {
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this.element.val( value );
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} else {
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// If there is an icon, append it, else nothing then append the value
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// this avoids removal of the icon when setting label text
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this.element.html( value );
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if ( this.icon ) {
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this._attachIcon( this.options.iconPosition );
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this._attachIconSpace( this.options.iconPosition );
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}
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}
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}
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this._super( key, value );
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if ( key === "disabled" ) {
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this._toggleClass( null, "ui-state-disabled", value );
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this.element[ 0 ].disabled = value;
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if ( value ) {
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this.element.trigger( "blur" );
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}
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}
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},
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refresh: function() {
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// Make sure to only check disabled if its an element that supports this otherwise
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// check for the disabled class to determine state
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var isDisabled = this.element.is( "input, button" ) ?
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this.element[ 0 ].disabled : this.element.hasClass( "ui-button-disabled" );
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if ( isDisabled !== this.options.disabled ) {
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this._setOptions( { disabled: isDisabled } );
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}
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this._updateTooltip();
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}
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} );
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// DEPRECATED
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if ( $.uiBackCompat !== false ) {
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// Text and Icons options
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$.widget( "ui.button", $.ui.button, {
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options: {
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text: true,
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icons: {
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primary: null,
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secondary: null
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}
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},
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_create: function() {
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if ( this.options.showLabel && !this.options.text ) {
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this.options.showLabel = this.options.text;
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}
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if ( !this.options.showLabel && this.options.text ) {
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this.options.text = this.options.showLabel;
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}
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if ( !this.options.icon && ( this.options.icons.primary ||
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this.options.icons.secondary ) ) {
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if ( this.options.icons.primary ) {
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this.options.icon = this.options.icons.primary;
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} else {
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this.options.icon = this.options.icons.secondary;
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this.options.iconPosition = "end";
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}
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} else if ( this.options.icon ) {
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this.options.icons.primary = this.options.icon;
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}
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this._super();
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},
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_setOption: function( key, value ) {
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if ( key === "text" ) {
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this._super( "showLabel", value );
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return;
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}
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if ( key === "showLabel" ) {
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this.options.text = value;
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}
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if ( key === "icon" ) {
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this.options.icons.primary = value;
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}
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if ( key === "icons" ) {
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if ( value.primary ) {
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this._super( "icon", value.primary );
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this._super( "iconPosition", "beginning" );
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} else if ( value.secondary ) {
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this._super( "icon", value.secondary );
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this._super( "iconPosition", "end" );
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}
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}
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this._superApply( arguments );
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}
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} );
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$.fn.button = ( function( orig ) {
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return function( options ) {
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var isMethodCall = typeof options === "string";
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var args = Array.prototype.slice.call( arguments, 1 );
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var returnValue = this;
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if ( isMethodCall ) {
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// If this is an empty collection, we need to have the instance method
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// return undefined instead of the jQuery instance
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if ( !this.length && options === "instance" ) {
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returnValue = undefined;
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} else {
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this.each( function() {
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var methodValue;
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var type = $( this ).attr( "type" );
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var name = type !== "checkbox" && type !== "radio" ?
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"button" :
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"checkboxradio";
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var instance = $.data( this, "ui-" + name );
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if ( options === "instance" ) {
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returnValue = instance;
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return false;
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}
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if ( !instance ) {
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return $.error( "cannot call methods on button" +
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" prior to initialization; " +
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"attempted to call method '" + options + "'" );
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}
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if ( typeof instance[ options ] !== "function" ||
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options.charAt( 0 ) === "_" ) {
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return $.error( "no such method '" + options + "' for button" +
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" widget instance" );
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}
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methodValue = instance[ options ].apply( instance, args );
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if ( methodValue !== instance && methodValue !== undefined ) {
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returnValue = methodValue && methodValue.jquery ?
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returnValue.pushStack( methodValue.get() ) :
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methodValue;
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return false;
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}
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} );
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}
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} else {
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// Allow multiple hashes to be passed on init
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if ( args.length ) {
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options = $.widget.extend.apply( null, [ options ].concat( args ) );
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}
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this.each( function() {
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var type = $( this ).attr( "type" );
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var name = type !== "checkbox" && type !== "radio" ? "button" : "checkboxradio";
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var instance = $.data( this, "ui-" + name );
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if ( instance ) {
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instance.option( options || {} );
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if ( instance._init ) {
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instance._init();
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}
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} else {
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if ( name === "button" ) {
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orig.call( $( this ), options );
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return;
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}
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$( this ).checkboxradio( $.extend( { icon: false }, options ) );
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}
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} );
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}
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return returnValue;
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};
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} )( $.fn.button );
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$.fn.buttonset = function() {
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if ( !$.ui.controlgroup ) {
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$.error( "Controlgroup widget missing" );
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}
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if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" && arguments[ 2 ] ) {
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return this.controlgroup.apply( this,
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[ arguments[ 0 ], "items.button", arguments[ 2 ] ] );
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}
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if ( arguments[ 0 ] === "option" && arguments[ 1 ] === "items" ) {
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return this.controlgroup.apply( this, [ arguments[ 0 ], "items.button" ] );
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}
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if ( typeof arguments[ 0 ] === "object" && arguments[ 0 ].items ) {
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arguments[ 0 ].items = {
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button: arguments[ 0 ].items
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};
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}
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return this.controlgroup.apply( this, arguments );
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};
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}
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return $.ui.button;
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} );
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