mirror of
https://github.com/jquery/jquery-ui.git
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419 lines
12 KiB
JavaScript
419 lines
12 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 2013 jQuery 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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* http://api.jqueryui.com/button/
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.widget.js
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*/
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(function( $, undefined ) {
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var lastActive, startXPos, startYPos, clickDragged,
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baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
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typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
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formResetHandler = function() {
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var form = $( this );
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setTimeout(function() {
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form.find( ":ui-button" ).button( "refresh" );
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}, 1 );
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},
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radioGroup = function( radio ) {
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var name = radio.name,
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form = radio.form,
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radios = $( [] );
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if ( name ) {
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name = name.replace( /'/g, "\\'" );
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if ( form ) {
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radios = $( form ).find( "[name='" + name + "']" );
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} else {
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radios = $( "[name='" + name + "']", radio.ownerDocument )
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.filter(function() {
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return !this.form;
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});
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}
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}
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return radios;
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};
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$.widget( "ui.button", {
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version: "@VERSION",
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defaultElement: "<button>",
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options: {
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disabled: null,
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text: true,
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label: null,
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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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this.element.closest( "form" )
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.unbind( "reset" + this.eventNamespace )
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.bind( "reset" + this.eventNamespace, formResetHandler );
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if ( typeof this.options.disabled !== "boolean" ) {
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this.options.disabled = !!this.element.prop( "disabled" );
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} else {
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this.element.prop( "disabled", this.options.disabled );
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}
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this._determineButtonType();
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this.hasTitle = !!this.buttonElement.attr( "title" );
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var that = this,
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options = this.options,
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toggleButton = this.type === "checkbox" || this.type === "radio",
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activeClass = !toggleButton ? "ui-state-active" : "";
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if ( options.label === null ) {
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options.label = (this.type === "input" ? this.buttonElement.val() : this.buttonElement.html());
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}
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this._hoverable( this.buttonElement );
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this.buttonElement
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.addClass( baseClasses )
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.attr( "role", "button" )
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.bind( "mouseenter" + this.eventNamespace, function() {
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if ( options.disabled ) {
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return;
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}
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if ( this === lastActive ) {
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$( this ).addClass( "ui-state-active" );
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}
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})
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.bind( "mouseleave" + this.eventNamespace, function() {
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if ( options.disabled ) {
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return;
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}
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$( this ).removeClass( activeClass );
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})
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.bind( "click" + this.eventNamespace, function( event ) {
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if ( options.disabled ) {
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event.preventDefault();
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event.stopImmediatePropagation();
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}
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});
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// Can't use _focusable() because the element that receives focus
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// and the element that gets the ui-state-focus class are different
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this._on({
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focus: function() {
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this.buttonElement.addClass( "ui-state-focus" );
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},
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blur: function() {
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this.buttonElement.removeClass( "ui-state-focus" );
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}
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});
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if ( toggleButton ) {
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this.element.bind( "change" + this.eventNamespace, function() {
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if ( clickDragged ) {
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return;
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}
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that.refresh();
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});
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// if mouse moves between mousedown and mouseup (drag) set clickDragged flag
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// prevents issue where button state changes but checkbox/radio checked state
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// does not in Firefox (see ticket #6970)
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this.buttonElement
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.bind( "mousedown" + this.eventNamespace, function( event ) {
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if ( options.disabled ) {
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return;
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}
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clickDragged = false;
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startXPos = event.pageX;
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startYPos = event.pageY;
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})
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.bind( "mouseup" + this.eventNamespace, function( event ) {
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if ( options.disabled ) {
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return;
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}
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if ( startXPos !== event.pageX || startYPos !== event.pageY ) {
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clickDragged = true;
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}
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});
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}
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if ( this.type === "checkbox" ) {
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this.buttonElement.bind( "click" + this.eventNamespace, function() {
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if ( options.disabled || clickDragged ) {
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return false;
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}
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});
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} else if ( this.type === "radio" ) {
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this.buttonElement.bind( "click" + this.eventNamespace, function() {
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if ( options.disabled || clickDragged ) {
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return false;
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}
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$( this ).addClass( "ui-state-active" );
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that.buttonElement.attr( "aria-pressed", "true" );
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var radio = that.element[ 0 ];
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radioGroup( radio )
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.not( radio )
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.map(function() {
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return $( this ).button( "widget" )[ 0 ];
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})
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.removeClass( "ui-state-active" )
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.attr( "aria-pressed", "false" );
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});
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} else {
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this.buttonElement
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.bind( "mousedown" + this.eventNamespace, function() {
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if ( options.disabled ) {
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return false;
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}
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$( this ).addClass( "ui-state-active" );
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lastActive = this;
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that.document.one( "mouseup", function() {
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lastActive = null;
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});
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})
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.bind( "mouseup" + this.eventNamespace, function() {
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if ( options.disabled ) {
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return false;
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}
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$( this ).removeClass( "ui-state-active" );
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})
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.bind( "keydown" + this.eventNamespace, function(event) {
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if ( options.disabled ) {
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return false;
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}
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if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
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$( this ).addClass( "ui-state-active" );
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}
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})
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// see #8559, we bind to blur here in case the button element loses
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// focus between keydown and keyup, it would be left in an "active" state
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.bind( "keyup" + this.eventNamespace + " blur" + this.eventNamespace, function() {
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$( this ).removeClass( "ui-state-active" );
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});
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if ( this.buttonElement.is("a") ) {
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this.buttonElement.keyup(function(event) {
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if ( event.keyCode === $.ui.keyCode.SPACE ) {
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// TODO pass through original event correctly (just as 2nd argument doesn't work)
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$( this ).click();
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}
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});
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}
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}
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// TODO: pull out $.Widget's handling for the disabled option into
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// $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
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// be overridden by individual plugins
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this._setOption( "disabled", options.disabled );
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this._resetButton();
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},
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_determineButtonType: function() {
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var ancestor, labelSelector, checked;
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if ( this.element.is("[type=checkbox]") ) {
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this.type = "checkbox";
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} else if ( this.element.is("[type=radio]") ) {
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this.type = "radio";
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} else if ( this.element.is("input") ) {
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this.type = "input";
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} else {
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this.type = "button";
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}
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if ( this.type === "checkbox" || this.type === "radio" ) {
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// we don't search against the document in case the element
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// is disconnected from the DOM
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ancestor = this.element.parents().last();
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labelSelector = "label[for='" + this.element.attr("id") + "']";
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this.buttonElement = ancestor.find( labelSelector );
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if ( !this.buttonElement.length ) {
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ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
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this.buttonElement = ancestor.filter( labelSelector );
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if ( !this.buttonElement.length ) {
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this.buttonElement = ancestor.find( labelSelector );
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}
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}
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this.element.addClass( "ui-helper-hidden-accessible" );
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checked = this.element.is( ":checked" );
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if ( checked ) {
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this.buttonElement.addClass( "ui-state-active" );
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}
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this.buttonElement.prop( "aria-pressed", checked );
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} else {
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this.buttonElement = this.element;
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}
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},
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widget: function() {
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return this.buttonElement;
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},
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_destroy: function() {
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this.element
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.removeClass( "ui-helper-hidden-accessible" );
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this.buttonElement
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.removeClass( baseClasses + " ui-state-active " + typeClasses )
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.removeAttr( "role" )
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.removeAttr( "aria-pressed" )
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.html( this.buttonElement.find(".ui-button-text").html() );
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if ( !this.hasTitle ) {
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this.buttonElement.removeAttr( "title" );
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}
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},
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_setOption: function( key, value ) {
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this._super( key, value );
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if ( key === "disabled" ) {
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this.element.prop( "disabled", !!value );
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if ( value ) {
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this.buttonElement.removeClass( "ui-state-focus" );
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}
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return;
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}
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this._resetButton();
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},
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refresh: function() {
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//See #8237 & #8828
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var isDisabled = this.element.is( "input, button" ) ? this.element.is( ":disabled" ) : this.element.hasClass( "ui-button-disabled" );
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if ( isDisabled !== this.options.disabled ) {
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this._setOption( "disabled", isDisabled );
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}
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if ( this.type === "radio" ) {
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radioGroup( this.element[0] ).each(function() {
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if ( $( this ).is( ":checked" ) ) {
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$( this ).button( "widget" )
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.addClass( "ui-state-active" )
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.attr( "aria-pressed", "true" );
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} else {
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$( this ).button( "widget" )
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.removeClass( "ui-state-active" )
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.attr( "aria-pressed", "false" );
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}
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});
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} else if ( this.type === "checkbox" ) {
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if ( this.element.is( ":checked" ) ) {
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this.buttonElement
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.addClass( "ui-state-active" )
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.attr( "aria-pressed", "true" );
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} else {
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this.buttonElement
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.removeClass( "ui-state-active" )
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.attr( "aria-pressed", "false" );
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}
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}
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},
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_resetButton: function() {
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if ( this.type === "input" ) {
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if ( this.options.label ) {
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this.element.val( this.options.label );
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}
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return;
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}
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var buttonElement = this.buttonElement.removeClass( typeClasses ),
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buttonText = $( "<span></span>", this.document[0] )
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.addClass( "ui-button-text" )
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.html( this.options.label )
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.appendTo( buttonElement.empty() )
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.text(),
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icons = this.options.icons,
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multipleIcons = icons.primary && icons.secondary,
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buttonClasses = [];
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if ( icons.primary || icons.secondary ) {
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if ( this.options.text ) {
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buttonClasses.push( "ui-button-text-icon" + ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
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}
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if ( icons.primary ) {
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buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
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}
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if ( icons.secondary ) {
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buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
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}
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if ( !this.options.text ) {
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buttonClasses.push( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" );
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if ( !this.hasTitle ) {
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buttonElement.attr( "title", $.trim( buttonText ) );
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}
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}
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} else {
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buttonClasses.push( "ui-button-text-only" );
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}
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buttonElement.addClass( buttonClasses.join( " " ) );
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}
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});
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$.widget( "ui.buttonset", {
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version: "@VERSION",
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options: {
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items: "button, input[type=button], input[type=submit], input[type=reset], input[type=checkbox], input[type=radio], a, :data(ui-button)"
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},
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_create: function() {
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this.element.addClass( "ui-buttonset" );
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},
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_init: function() {
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this.refresh();
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},
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_setOption: function( key, value ) {
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if ( key === "disabled" ) {
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this.buttons.button( "option", key, value );
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}
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this._super( key, value );
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},
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refresh: function() {
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var rtl = this.element.css( "direction" ) === "rtl";
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this.buttons = this.element.find( this.options.items )
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.filter( ":ui-button" )
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.button( "refresh" )
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.end()
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.not( ":ui-button" )
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.button()
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.end()
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.map(function() {
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return $( this ).button( "widget" )[ 0 ];
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})
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.removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
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.filter( ":first" )
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.addClass( rtl ? "ui-corner-right" : "ui-corner-left" )
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.end()
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.filter( ":last" )
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.addClass( rtl ? "ui-corner-left" : "ui-corner-right" )
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.end()
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.end();
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},
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_destroy: function() {
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this.element.removeClass( "ui-buttonset" );
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this.buttons
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.map(function() {
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return $( this ).button( "widget" )[ 0 ];
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})
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.removeClass( "ui-corner-left ui-corner-right" )
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.end()
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.button( "destroy" );
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}
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});
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}( jQuery ) );
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