mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-10-05 01:44:18 +00:00
cb69f0025f
Collapses "UI Core" and "Core" into just "Core". Fixes bad paths for CSS dependencies. Regressed when moving widgets into the widgets subfolder.
574 lines
14 KiB
JavaScript
574 lines
14 KiB
JavaScript
/*!
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* jQuery UI Spinner @VERSION
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* http://jqueryui.com
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*
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* Copyright 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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//>>label: Spinner
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//>>group: Widgets
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//>>description: Displays buttons to easily input numbers via the keyboard or mouse.
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//>>docs: http://api.jqueryui.com/spinner/
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//>>demos: http://jqueryui.com/spinner/
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//>>css.structure: ../../themes/base/core.css
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//>>css.structure: ../../themes/base/spinner.css
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//>>css.theme: ../../themes/base/theme.css
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( function( factory ) {
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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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"./button",
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"../version",
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"../keycode",
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"../safe-active-element",
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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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function spinnerModifer( fn ) {
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return function() {
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var previous = this.element.val();
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fn.apply( this, arguments );
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this._refresh();
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if ( previous !== this.element.val() ) {
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this._trigger( "change" );
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}
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};
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}
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$.widget( "ui.spinner", {
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version: "@VERSION",
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defaultElement: "<input>",
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widgetEventPrefix: "spin",
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options: {
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classes: {
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"ui-spinner": "ui-corner-all",
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"ui-spinner-down": "ui-corner-br",
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"ui-spinner-up": "ui-corner-tr"
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},
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culture: null,
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icons: {
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down: "ui-icon-triangle-1-s",
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up: "ui-icon-triangle-1-n"
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},
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incremental: true,
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max: null,
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min: null,
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numberFormat: null,
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page: 10,
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step: 1,
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change: null,
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spin: null,
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start: null,
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stop: null
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},
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_create: function() {
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// handle string values that need to be parsed
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this._setOption( "max", this.options.max );
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this._setOption( "min", this.options.min );
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this._setOption( "step", this.options.step );
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// Only format if there is a value, prevents the field from being marked
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// as invalid in Firefox, see #9573.
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if ( this.value() !== "" ) {
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// Format the value, but don't constrain.
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this._value( this.element.val(), true );
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}
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this._draw();
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this._on( this._events );
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this._refresh();
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// Turning off autocomplete prevents the browser from remembering the
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// value when navigating through history, so we re-enable autocomplete
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// if the page is unloaded before the widget is destroyed. #7790
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this._on( this.window, {
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beforeunload: function() {
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this.element.removeAttr( "autocomplete" );
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}
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} );
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},
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_getCreateOptions: function() {
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var options = this._super();
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var element = this.element;
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$.each( [ "min", "max", "step" ], function( i, option ) {
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var value = element.attr( option );
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if ( value != null && value.length ) {
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options[ option ] = value;
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}
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} );
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return options;
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},
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_events: {
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keydown: function( event ) {
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if ( this._start( event ) && this._keydown( event ) ) {
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event.preventDefault();
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}
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},
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keyup: "_stop",
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focus: function() {
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this.previous = this.element.val();
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},
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blur: function( event ) {
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if ( this.cancelBlur ) {
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delete this.cancelBlur;
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return;
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}
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this._stop();
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this._refresh();
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if ( this.previous !== this.element.val() ) {
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this._trigger( "change", event );
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}
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},
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mousewheel: function( event, delta ) {
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if ( !delta ) {
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return;
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}
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if ( !this.spinning && !this._start( event ) ) {
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return false;
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}
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this._spin( ( delta > 0 ? 1 : -1 ) * this.options.step, event );
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clearTimeout( this.mousewheelTimer );
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this.mousewheelTimer = this._delay( function() {
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if ( this.spinning ) {
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this._stop( event );
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}
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}, 100 );
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event.preventDefault();
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},
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"mousedown .ui-spinner-button": function( event ) {
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var previous;
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// We never want the buttons to have focus; whenever the user is
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// interacting with the spinner, the focus should be on the input.
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// If the input is focused then this.previous is properly set from
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// when the input first received focus. If the input is not focused
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// then we need to set this.previous based on the value before spinning.
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previous = this.element[ 0 ] === $.ui.safeActiveElement( this.document[ 0 ] ) ?
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this.previous : this.element.val();
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function checkFocus() {
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var isActive = this.element[ 0 ] === $.ui.safeActiveElement( this.document[ 0 ] );
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if ( !isActive ) {
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this.element.trigger( "focus" );
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this.previous = previous;
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// support: IE
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// IE sets focus asynchronously, so we need to check if focus
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// moved off of the input because the user clicked on the button.
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this._delay( function() {
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this.previous = previous;
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} );
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}
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}
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// Ensure focus is on (or stays on) the text field
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event.preventDefault();
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checkFocus.call( this );
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// Support: IE
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// IE doesn't prevent moving focus even with event.preventDefault()
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// so we set a flag to know when we should ignore the blur event
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// and check (again) if focus moved off of the input.
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this.cancelBlur = true;
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this._delay( function() {
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delete this.cancelBlur;
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checkFocus.call( this );
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} );
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if ( this._start( event ) === false ) {
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return;
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}
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this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
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},
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"mouseup .ui-spinner-button": "_stop",
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"mouseenter .ui-spinner-button": function( event ) {
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// button will add ui-state-active if mouse was down while mouseleave and kept down
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if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) {
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return;
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}
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if ( this._start( event ) === false ) {
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return false;
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}
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this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
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},
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// TODO: do we really want to consider this a stop?
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// shouldn't we just stop the repeater and wait until mouseup before
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// we trigger the stop event?
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"mouseleave .ui-spinner-button": "_stop"
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},
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// Support mobile enhanced option and make backcompat more sane
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_enhance: function() {
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this.uiSpinner = this.element
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.attr( "autocomplete", "off" )
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.wrap( "<span>" )
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.parent()
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// Add buttons
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.append(
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"<a></a><a></a>"
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);
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},
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_draw: function() {
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this._enhance();
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this._addClass( this.uiSpinner, "ui-spinner", "ui-widget ui-widget-content" );
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this._addClass( "ui-spinner-input" );
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this.element.attr( "role", "spinbutton" );
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// Button bindings
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this.buttons = this.uiSpinner.children( "a" )
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.attr( "tabIndex", -1 )
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.attr( "aria-hidden", true )
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.button( {
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classes: {
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"ui-button": ""
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}
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} );
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// TODO: Right now button does not support classes this is already updated in button PR
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this._removeClass( this.buttons, "ui-corner-all" );
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this._addClass( this.buttons.first(), "ui-spinner-button ui-spinner-up" );
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this._addClass( this.buttons.last(), "ui-spinner-button ui-spinner-down" );
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this.buttons.first().button( {
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"icon": this.options.icons.up,
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"showLabel": false
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} );
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this.buttons.last().button( {
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"icon": this.options.icons.down,
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"showLabel": false
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} );
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// IE 6 doesn't understand height: 50% for the buttons
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// unless the wrapper has an explicit height
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if ( this.buttons.height() > Math.ceil( this.uiSpinner.height() * 0.5 ) &&
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this.uiSpinner.height() > 0 ) {
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this.uiSpinner.height( this.uiSpinner.height() );
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}
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},
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_keydown: function( event ) {
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var options = this.options,
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keyCode = $.ui.keyCode;
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switch ( event.keyCode ) {
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case keyCode.UP:
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this._repeat( null, 1, event );
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return true;
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case keyCode.DOWN:
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this._repeat( null, -1, event );
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return true;
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case keyCode.PAGE_UP:
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this._repeat( null, options.page, event );
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return true;
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case keyCode.PAGE_DOWN:
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this._repeat( null, -options.page, event );
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return true;
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}
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return false;
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},
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_start: function( event ) {
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if ( !this.spinning && this._trigger( "start", event ) === false ) {
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return false;
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}
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if ( !this.counter ) {
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this.counter = 1;
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}
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this.spinning = true;
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return true;
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},
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_repeat: function( i, steps, event ) {
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i = i || 500;
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clearTimeout( this.timer );
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this.timer = this._delay( function() {
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this._repeat( 40, steps, event );
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}, i );
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this._spin( steps * this.options.step, event );
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},
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_spin: function( step, event ) {
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var value = this.value() || 0;
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if ( !this.counter ) {
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this.counter = 1;
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}
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value = this._adjustValue( value + step * this._increment( this.counter ) );
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if ( !this.spinning || this._trigger( "spin", event, { value: value } ) !== false ) {
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this._value( value );
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this.counter++;
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}
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},
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_increment: function( i ) {
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var incremental = this.options.incremental;
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if ( incremental ) {
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return $.isFunction( incremental ) ?
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incremental( i ) :
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Math.floor( i * i * i / 50000 - i * i / 500 + 17 * i / 200 + 1 );
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}
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return 1;
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},
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_precision: function() {
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var precision = this._precisionOf( this.options.step );
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if ( this.options.min !== null ) {
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precision = Math.max( precision, this._precisionOf( this.options.min ) );
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}
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return precision;
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},
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_precisionOf: function( num ) {
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var str = num.toString(),
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decimal = str.indexOf( "." );
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return decimal === -1 ? 0 : str.length - decimal - 1;
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},
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_adjustValue: function( value ) {
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var base, aboveMin,
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options = this.options;
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// Make sure we're at a valid step
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// - find out where we are relative to the base (min or 0)
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base = options.min !== null ? options.min : 0;
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aboveMin = value - base;
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// - round to the nearest step
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aboveMin = Math.round( aboveMin / options.step ) * options.step;
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// - rounding is based on 0, so adjust back to our base
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value = base + aboveMin;
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// Fix precision from bad JS floating point math
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value = parseFloat( value.toFixed( this._precision() ) );
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// Clamp the value
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if ( options.max !== null && value > options.max ) {
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return options.max;
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}
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if ( options.min !== null && value < options.min ) {
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return options.min;
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}
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return value;
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},
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_stop: function( event ) {
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if ( !this.spinning ) {
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return;
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}
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clearTimeout( this.timer );
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clearTimeout( this.mousewheelTimer );
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this.counter = 0;
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this.spinning = false;
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this._trigger( "stop", event );
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},
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_setOption: function( key, value ) {
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var prevValue, first, last;
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if ( key === "culture" || key === "numberFormat" ) {
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prevValue = this._parse( this.element.val() );
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this.options[ key ] = value;
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this.element.val( this._format( prevValue ) );
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return;
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}
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if ( key === "max" || key === "min" || key === "step" ) {
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if ( typeof value === "string" ) {
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value = this._parse( value );
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}
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}
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if ( key === "icons" ) {
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first = this.buttons.first().find( ".ui-icon" );
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this._removeClass( first, null, this.options.icons.up );
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this._addClass( first, null, value.up );
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last = this.buttons.last().find( ".ui-icon" );
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this._removeClass( last, null, this.options.icons.down );
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this._addClass( last, null, value.down );
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}
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this._super( key, value );
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},
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_setOptionDisabled: function( value ) {
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this._super( value );
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this._toggleClass( this.uiSpinner, null, "ui-state-disabled", !!value );
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this.element.prop( "disabled", !!value );
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this.buttons.button( value ? "disable" : "enable" );
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},
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_setOptions: spinnerModifer( function( options ) {
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this._super( options );
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} ),
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_parse: function( val ) {
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if ( typeof val === "string" && val !== "" ) {
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val = window.Globalize && this.options.numberFormat ?
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Globalize.parseFloat( val, 10, this.options.culture ) : +val;
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}
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return val === "" || isNaN( val ) ? null : val;
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},
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_format: function( value ) {
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if ( value === "" ) {
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return "";
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}
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return window.Globalize && this.options.numberFormat ?
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Globalize.format( value, this.options.numberFormat, this.options.culture ) :
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value;
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},
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_refresh: function() {
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this.element.attr( {
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"aria-valuemin": this.options.min,
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"aria-valuemax": this.options.max,
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// TODO: what should we do with values that can't be parsed?
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"aria-valuenow": this._parse( this.element.val() )
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} );
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},
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isValid: function() {
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var value = this.value();
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// Null is invalid
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if ( value === null ) {
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return false;
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}
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// If value gets adjusted, it's invalid
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return value === this._adjustValue( value );
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},
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// Update the value without triggering change
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_value: function( value, allowAny ) {
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var parsed;
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if ( value !== "" ) {
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parsed = this._parse( value );
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if ( parsed !== null ) {
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if ( !allowAny ) {
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parsed = this._adjustValue( parsed );
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}
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value = this._format( parsed );
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}
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}
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this.element.val( value );
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this._refresh();
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},
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_destroy: function() {
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this.element
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.prop( "disabled", false )
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.removeAttr( "autocomplete role aria-valuemin aria-valuemax aria-valuenow" );
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this.uiSpinner.replaceWith( this.element );
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},
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stepUp: spinnerModifer( function( steps ) {
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this._stepUp( steps );
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} ),
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_stepUp: function( steps ) {
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if ( this._start() ) {
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this._spin( ( steps || 1 ) * this.options.step );
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this._stop();
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}
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},
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stepDown: spinnerModifer( function( steps ) {
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this._stepDown( steps );
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} ),
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_stepDown: function( steps ) {
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if ( this._start() ) {
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this._spin( ( steps || 1 ) * -this.options.step );
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this._stop();
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}
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},
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pageUp: spinnerModifer( function( pages ) {
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this._stepUp( ( pages || 1 ) * this.options.page );
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} ),
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pageDown: spinnerModifer( function( pages ) {
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this._stepDown( ( pages || 1 ) * this.options.page );
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} ),
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value: function( newVal ) {
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if ( !arguments.length ) {
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return this._parse( this.element.val() );
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}
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spinnerModifer( this._value ).call( this, newVal );
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},
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widget: function() {
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return this.uiSpinner;
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}
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} );
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// DEPRECATED
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// TODO: switch return back to widget declaration at top of file when this is removed
|
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if ( $.uiBackCompat !== false ) {
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|
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// Backcompat for spinner html extension points
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$.widget( "ui.spinner", $.ui.spinner, {
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_enhance: function() {
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this.uiSpinner = this.element
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.attr( "autocomplete", "off" )
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.wrap( this._uiSpinnerHtml() )
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.parent()
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// Add buttons
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.append( this._buttonHtml() );
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},
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_uiSpinnerHtml: function() {
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return "<span>";
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},
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_buttonHtml: function() {
|
|
return "<a></a><a></a>";
|
|
}
|
|
} );
|
|
}
|
|
|
|
return $.ui.spinner;
|
|
|
|
} ) );
|