WordPress/wp-admin/js/dashboard.js

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/**
* @output wp-admin/js/dashboard.js
*/
/* global pagenow, ajaxurl, postboxes, wpActiveEditor:true, ajaxWidgets */
/* global ajaxPopulateWidgets, quickPressLoad, */
window.wp = window.wp || {};
window.communityEventsData = window.communityEventsData || {};
/**
* Initializes the dashboard widget functionality.
*
* @since 2.7.0
*/
jQuery(document).ready( function($) {
var welcomePanel = $( '#welcome-panel' ),
welcomePanelHide = $('#wp_welcome_panel-hide'),
updateWelcomePanel;
/**
* Saves the visibility of the welcome panel.
*
* @since 3.3.0
*
* @param {boolean} visible Should it be visible or not.
*
* @return {void}
*/
updateWelcomePanel = function( visible ) {
$.post( ajaxurl, {
action: 'update-welcome-panel',
visible: visible,
welcomepanelnonce: $( '#welcomepanelnonce' ).val()
});
};
// Unhide the welcome panel if the Welcome Option checkbox is checked.
if ( welcomePanel.hasClass('hidden') && welcomePanelHide.prop('checked') ) {
welcomePanel.removeClass('hidden');
}
// Hide the welcome panel when the dismiss button or close button is clicked.
$('.welcome-panel-close, .welcome-panel-dismiss a', welcomePanel).click( function(e) {
e.preventDefault();
welcomePanel.addClass('hidden');
updateWelcomePanel( 0 );
$('#wp_welcome_panel-hide').prop('checked', false);
});
// Set welcome panel visibility based on Welcome Option checkbox value.
welcomePanelHide.click( function() {
welcomePanel.toggleClass('hidden', ! this.checked );
updateWelcomePanel( this.checked ? 1 : 0 );
});
/**
* These widgets can be populated via ajax.
*
* @since 2.7.0
*
* @type {string[]}
*
* @global
*/
window.ajaxWidgets = ['dashboard_primary'];
/**
* Triggers widget updates via Ajax.
*
* @since 2.7.0
*
* @global
*
* @param {string} el Optional. Widget to fetch or none to update all.
*
* @return {void}
*/
window.ajaxPopulateWidgets = function(el) {
/**
* Fetch the latest representation of the widget via Ajax and show it.
*
* @param {number} i Number of half-seconds to use as the timeout.
* @param {string} id ID of the element which is going to be checked for changes.
*
* @return {void}
*/
function show(i, id) {
var p, e = $('#' + id + ' div.inside:visible').find('.widget-loading');
// If the element is found in the dom, queue to load latest representation.
if ( e.length ) {
p = e.parent();
setTimeout( function(){
// Request the widget content.
p.load( ajaxurl + '?action=dashboard-widgets&widget=' + id + '&pagenow=' + pagenow, '', function() {
// Hide the parent and slide it out for visual fancyness.
p.hide().slideDown('normal', function(){
$(this).css('display', '');
});
});
}, i * 500 );
}
}
// If we have received a specific element to fetch, check if it is valid.
if ( el ) {
el = el.toString();
// If the element is available as Ajax widget, show it.
if ( $.inArray(el, ajaxWidgets) !== -1 ) {
// Show element without any delay.
show(0, el);
}
} else {
// Walk through all ajaxWidgets, loading them after each other.
$.each( ajaxWidgets, show );
}
};
// Initially populate ajax widgets.
ajaxPopulateWidgets();
// Register ajax widgets as postbox toggles.
postboxes.add_postbox_toggles(pagenow, { pbshow: ajaxPopulateWidgets } );
/**
* Control the Quick Press (Quick Draft) widget.
*
* @since 2.7.0
*
* @global
*
* @return {void}
*/
window.quickPressLoad = function() {
var act = $('#quickpost-action'), t;
// Enable the submit buttons.
$( '#quick-press .submit input[type="submit"], #quick-press .submit input[type="reset"]' ).prop( 'disabled' , false );
t = $('#quick-press').submit( function( e ) {
e.preventDefault();
// Show a spinner.
$('#dashboard_quick_press #publishing-action .spinner').show();
// Disable the submit button to prevent duplicate submissions.
$('#quick-press .submit input[type="submit"], #quick-press .submit input[type="reset"]').prop('disabled', true);
// Post the entered data to save it.
$.post( t.attr( 'action' ), t.serializeArray(), function( data ) {
// Replace the form, and prepend the published post.
$('#dashboard_quick_press .inside').html( data );
$('#quick-press').removeClass('initial-form');
quickPressLoad();
highlightLatestPost();
// Focus the title to allow for quickly drafting another post.
$('#title').focus();
});
/**
* Highlights the latest post for one second.
*
* @return {void}
*/
function highlightLatestPost () {
var latestPost = $('.drafts ul li').first();
latestPost.css('background', '#fffbe5');
setTimeout(function () {
latestPost.css('background', 'none');
}, 1000);
}
} );
// Change the QuickPost action to the publish value.
$('#publish').click( function() { act.val( 'post-quickpress-publish' ); } );
$('#quick-press').on( 'click focusin', function() {
wpActiveEditor = 'content';
});
autoResizeTextarea();
};
window.quickPressLoad();
/**
* Adjust the height of the textarea based on the content.
*
* @since 3.6.0
*
* @return {void}
*/
function autoResizeTextarea() {
// When IE8 or older is used to render this document, exit.
if ( document.documentMode && document.documentMode < 9 ) {
return;
}
// Add a hidden div. We'll copy over the text from the textarea to measure its height.
$('body').append( '<div class="quick-draft-textarea-clone" style="display: none;"></div>' );
var clone = $('.quick-draft-textarea-clone'),
editor = $('#content'),
editorHeight = editor.height(),
/*
* 100px roughly accounts for browser chrome and allows the
* save draft button to show on-screen at the same time.
*/
editorMaxHeight = $(window).height() - 100;
/*
* Match up textarea and clone div as much as possible.
* Padding cannot be reliably retrieved using shorthand in all browsers.
*/
clone.css({
'font-family': editor.css('font-family'),
'font-size': editor.css('font-size'),
'line-height': editor.css('line-height'),
'padding-bottom': editor.css('paddingBottom'),
'padding-left': editor.css('paddingLeft'),
'padding-right': editor.css('paddingRight'),
'padding-top': editor.css('paddingTop'),
'white-space': 'pre-wrap',
'word-wrap': 'break-word',
'display': 'none'
});
// The 'propertychange' is used in IE < 9.
editor.on('focus input propertychange', function() {
var $this = $(this),
// Add a non-breaking space to ensure that the height of a trailing newline is
// included.
textareaContent = $this.val() + '&nbsp;',
// Add 2px to compensate for border-top & border-bottom.
cloneHeight = clone.css('width', $this.css('width')).text(textareaContent).outerHeight() + 2;
// Default to show a vertical scrollbar, if needed.
editor.css('overflow-y', 'auto');
// Only change the height if it has changed and both heights are below the max.
if ( cloneHeight === editorHeight || ( cloneHeight >= editorMaxHeight && editorHeight >= editorMaxHeight ) ) {
return;
}
/*
* Don't allow editor to exceed the height of the window.
* This is also bound in CSS to a max-height of 1300px to be extra safe.
*/
if ( cloneHeight > editorMaxHeight ) {
editorHeight = editorMaxHeight;
} else {
editorHeight = cloneHeight;
}
// Disable scrollbars because we adjust the height to the content.
editor.css('overflow', 'hidden');
$this.css('height', editorHeight + 'px');
});
}
} );
jQuery( function( $ ) {
'use strict';
var communityEventsData = window.communityEventsData,
dateI18n = wp.date.dateI18n,
format = wp.date.format,
sprintf = wp.i18n.sprintf,
__ = wp.i18n.__,
_x = wp.i18n._x,
app;
/**
* Global Community Events namespace.
*
* @since 4.8.0
*
* @memberOf wp
* @namespace wp.communityEvents
*/
app = window.wp.communityEvents = /** @lends wp.communityEvents */{
initialized: false,
model: null,
/**
* Initializes the wp.communityEvents object.
*
* @since 4.8.0
*
* @return {void}
*/
init: function() {
if ( app.initialized ) {
return;
}
var $container = $( '#community-events' );
/*
* When JavaScript is disabled, the errors container is shown, so
* that "This widget requires JavaScript" message can be seen.
*
* When JS is enabled, the container is hidden at first, and then
* revealed during the template rendering, if there actually are
* errors to show.
*
* The display indicator switches from `hide-if-js` to `aria-hidden`
* here in order to maintain consistency with all the other fields
* that key off of `aria-hidden` to determine their visibility.
* `aria-hidden` can't be used initially, because there would be no
* way to set it to false when JavaScript is disabled, which would
* prevent people from seeing the "This widget requires JavaScript"
* message.
*/
$( '.community-events-errors' )
.attr( 'aria-hidden', 'true' )
.removeClass( 'hide-if-js' );
$container.on( 'click', '.community-events-toggle-location, .community-events-cancel', app.toggleLocationForm );
/**
* Filters events based on entered location.
*
* @return {void}
*/
$container.on( 'submit', '.community-events-form', function( event ) {
var location = $.trim( $( '#community-events-location' ).val() );
event.preventDefault();
/*
* Don't trigger a search if the search field is empty or the
* search term was made of only spaces before being trimmed.
*/
if ( ! location ) {
return;
}
app.getEvents({
location: location
});
});
if ( communityEventsData && communityEventsData.cache && communityEventsData.cache.location && communityEventsData.cache.events ) {
app.renderEventsTemplate( communityEventsData.cache, 'app' );
} else {
app.getEvents();
}
app.initialized = true;
},
/**
* Toggles the visibility of the Edit Location form.
*
* @since 4.8.0
*
* @param {event|string} action 'show' or 'hide' to specify a state;
* or an event object to flip between states.
*
* @return {void}
*/
toggleLocationForm: function( action ) {
var $toggleButton = $( '.community-events-toggle-location' ),
$cancelButton = $( '.community-events-cancel' ),
$form = $( '.community-events-form' ),
$target = $();
if ( 'object' === typeof action ) {
// The action is the event object: get the clicked element.
$target = $( action.target );
/*
* Strict comparison doesn't work in this case because sometimes
* we explicitly pass a string as value of aria-expanded and
* sometimes a boolean as the result of an evaluation.
*/
action = 'true' == $toggleButton.attr( 'aria-expanded' ) ? 'hide' : 'show';
}
if ( 'hide' === action ) {
$toggleButton.attr( 'aria-expanded', 'false' );
$cancelButton.attr( 'aria-expanded', 'false' );
$form.attr( 'aria-hidden', 'true' );
/*
* If the Cancel button has been clicked, bring the focus back
* to the toggle button so users relying on screen readers don't
* lose their place.
*/
if ( $target.hasClass( 'community-events-cancel' ) ) {
$toggleButton.focus();
}
} else {
$toggleButton.attr( 'aria-expanded', 'true' );
$cancelButton.attr( 'aria-expanded', 'true' );
$form.attr( 'aria-hidden', 'false' );
}
},
/**
* Sends REST API requests to fetch events for the widget.
*
* @since 4.8.0
*
* @param {Object} requestParams REST API Request parameters object.
*
* @return {void}
*/
getEvents: function( requestParams ) {
var initiatedBy,
app = this,
$spinner = $( '.community-events-form' ).children( '.spinner' );
requestParams = requestParams || {};
requestParams._wpnonce = communityEventsData.nonce;
requestParams.timezone = window.Intl ? window.Intl.DateTimeFormat().resolvedOptions().timeZone : '';
initiatedBy = requestParams.location ? 'user' : 'app';
$spinner.addClass( 'is-active' );
wp.ajax.post( 'get-community-events', requestParams )
.always( function() {
$spinner.removeClass( 'is-active' );
})
.done( function( response ) {
if ( 'no_location_available' === response.error ) {
if ( requestParams.location ) {
response.unknownCity = requestParams.location;
} else {
/*
* No location was passed, which means that this was an automatic query
* based on IP, locale, and timezone. Since the user didn't initiate it,
* it should fail silently. Otherwise, the error could confuse and/or
* annoy them.
*/
delete response.error;
}
}
app.renderEventsTemplate( response, initiatedBy );
})
.fail( function() {
app.renderEventsTemplate({
'location' : false,
'events' : [],
'error' : true
}, initiatedBy );
});
},
/**
* Renders the template for the Events section of the Events & News widget.
*
* @since 4.8.0
*
* @param {Object} templateParams The various parameters that will get passed to wp.template.
* @param {string} initiatedBy 'user' to indicate that this was triggered manually by the user;
* 'app' to indicate it was triggered automatically by the app itself.
*
* @return {void}
*/
renderEventsTemplate: function( templateParams, initiatedBy ) {
var template,
elementVisibility,
$toggleButton = $( '.community-events-toggle-location' ),
$locationMessage = $( '#community-events-location-message' ),
$results = $( '.community-events-results' );
templateParams.events = app.populateDynamicEventFields(
templateParams.events,
communityEventsData.time_format
);
/*
* Hide all toggleable elements by default, to keep the logic simple.
* Otherwise, each block below would have to turn hide everything that
* could have been shown at an earlier point.
*
* The exception to that is that the .community-events container is hidden
* when the page is first loaded, because the content isn't ready yet,
* but once we've reached this point, it should always be shown.
*/
elementVisibility = {
'.community-events' : true,
'.community-events-loading' : false,
'.community-events-errors' : false,
'.community-events-error-occurred' : false,
'.community-events-could-not-locate' : false,
'#community-events-location-message' : false,
'.community-events-toggle-location' : false,
'.community-events-results' : false
};
/*
* Determine which templates should be rendered and which elements
* should be displayed.
*/
if ( templateParams.location.ip ) {
/*
* If the API determined the location by geolocating an IP, it will
* provide events, but not a specific location.
*/
$locationMessage.text( __( 'Attend an upcoming event near you.' ) );
if ( templateParams.events.length ) {
template = wp.template( 'community-events-event-list' );
$results.html( template( templateParams ) );
} else {
template = wp.template( 'community-events-no-upcoming-events' );
$results.html( template( templateParams ) );
}
elementVisibility['#community-events-location-message'] = true;
elementVisibility['.community-events-toggle-location'] = true;
elementVisibility['.community-events-results'] = true;
} else if ( templateParams.location.description ) {
template = wp.template( 'community-events-attend-event-near' );
$locationMessage.html( template( templateParams ) );
if ( templateParams.events.length ) {
template = wp.template( 'community-events-event-list' );
$results.html( template( templateParams ) );
} else {
template = wp.template( 'community-events-no-upcoming-events' );
$results.html( template( templateParams ) );
}
if ( 'user' === initiatedBy ) {
wp.a11y.speak(
sprintf(
/* translators: %s: The name of a city. */
__( 'City updated. Listing events near %s.' ),
templateParams.location.description
),
'assertive'
);
}
elementVisibility['#community-events-location-message'] = true;
elementVisibility['.community-events-toggle-location'] = true;
elementVisibility['.community-events-results'] = true;
} else if ( templateParams.unknownCity ) {
template = wp.template( 'community-events-could-not-locate' );
$( '.community-events-could-not-locate' ).html( template( templateParams ) );
wp.a11y.speak(
sprintf(
/*
* These specific examples were chosen to highlight the fact that a
* state is not needed, even for cities whose name is not unique.
* It would be too cumbersome to include that in the instructions
* to the user, so it's left as an implication.
*/
/*
* translators: %s is the name of the city we couldn't locate.
* Replace the examples with cities related to your locale. Test that
* they match the expected location and have upcoming events before
* including them. If no cities related to your locale have events,
* then use cities related to your locale that would be recognizable
* to most users. Use only the city name itself, without any region
* or country. Use the endonym (native locale name) instead of the
* English name if possible.
*/
__( 'We couldnt locate %s. Please try another nearby city. For example: Kansas City; Springfield; Portland.' ),
templateParams.unknownCity
)
);
elementVisibility['.community-events-errors'] = true;
elementVisibility['.community-events-could-not-locate'] = true;
} else if ( templateParams.error && 'user' === initiatedBy ) {
/*
* Errors messages are only shown for requests that were initiated
* by the user, not for ones that were initiated by the app itself.
* Showing error messages for an event that user isn't aware of
* could be confusing or unnecessarily distracting.
*/
wp.a11y.speak( __( 'An error occurred. Please try again.' ) );
elementVisibility['.community-events-errors'] = true;
elementVisibility['.community-events-error-occurred'] = true;
} else {
$locationMessage.text( __( 'Enter your closest city to find nearby events.' ) );
elementVisibility['#community-events-location-message'] = true;
elementVisibility['.community-events-toggle-location'] = true;
}
// Set the visibility of toggleable elements.
_.each( elementVisibility, function( isVisible, element ) {
$( element ).attr( 'aria-hidden', ! isVisible );
});
$toggleButton.attr( 'aria-expanded', elementVisibility['.community-events-toggle-location'] );
if ( templateParams.location && ( templateParams.location.ip || templateParams.location.latitude ) ) {
// Hide the form when there's a valid location.
app.toggleLocationForm( 'hide' );
if ( 'user' === initiatedBy ) {
/*
* When the form is programmatically hidden after a user search,
* bring the focus back to the toggle button so users relying
* on screen readers don't lose their place.
*/
$toggleButton.focus();
}
} else {
app.toggleLocationForm( 'show' );
}
},
/**
* Populate event fields that have to be calculated on the fly.
*
* These can't be stored in the database, because they're dependent on
* the user's current time zone, locale, etc.
*
* @since 5.5.2
*
* @param {Array} rawEvents The events that should have dynamic fields added to them.
* @param {string} timeFormat A time format acceptable by `wp.date.dateI18n()`.
*
* @returns {Array}
*/
populateDynamicEventFields: function( rawEvents, timeFormat ) {
// Clone the parameter to avoid mutating it, so that this can remain a pure function.
var populatedEvents = JSON.parse( JSON.stringify( rawEvents ) );
$.each( populatedEvents, function( index, event ) {
var timeZone = app.getTimeZone( event.start_unix_timestamp * 1000 );
event.user_formatted_date = app.getFormattedDate(
event.start_unix_timestamp * 1000,
event.end_unix_timestamp * 1000,
timeZone
);
event.user_formatted_time = dateI18n(
timeFormat,
event.start_unix_timestamp * 1000,
timeZone
);
event.timeZoneAbbreviation = app.getTimeZoneAbbreviation( event.start_unix_timestamp * 1000 );
} );
return populatedEvents;
},
/**
* Returns the user's local/browser time zone, in a form suitable for `wp.date.i18n()`.
*
* @since 5.5.2
*
* @param startTimestamp
*
* @returns {string|number}
*/
getTimeZone: function( startTimestamp ) {
/*
* Prefer a name like `Europe/Helsinki`, since that automatically tracks daylight savings. This
* doesn't need to take `startTimestamp` into account for that reason.
*/
var timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;
/*
* Fall back to an offset for IE11, which declares the property but doesn't assign a value.
*/
if ( 'undefined' === typeof timeZone ) {
/*
* It's important to use the _event_ time, not the _current_
* time, so that daylight savings time is accounted for.
*/
timeZone = app.getFlippedTimeZoneOffset( startTimestamp );
}
return timeZone;
},
/**
* Get intuitive time zone offset.
*
* `Data.prototype.getTimezoneOffset()` returns a positive value for time zones
* that are _behind_ UTC, and a _negative_ value for ones that are ahead.
*
* See https://stackoverflow.com/questions/21102435/why-does-javascript-date-gettimezoneoffset-consider-0500-as-a-positive-off.
*
* @since 5.5.2
*
* @param {number} startTimestamp
*
* @returns {number}
*/
getFlippedTimeZoneOffset: function( startTimestamp ) {
return new Date( startTimestamp ).getTimezoneOffset() * -1;
},
/**
* Get a short time zone name, like `PST`.
*
* @since 5.5.2
*
* @param {number} startTimestamp
*
* @returns {string}
*/
getTimeZoneAbbreviation: function( startTimestamp ) {
var timeZoneAbbreviation,
eventDateTime = new Date( startTimestamp );
/*
* Leaving the `locales` argument undefined is important, so that the browser
* displays the abbreviation that's most appropriate for the current locale. For
* some that will be `UTC{+|-}{n}`, and for others it will be a code like `PST`.
*
* This doesn't need to take `startTimestamp` into account, because a name like
* `America/Chicago` automatically tracks daylight savings.
*/
var shortTimeStringParts = eventDateTime.toLocaleTimeString( undefined, { timeZoneName : 'short' } ).split( ' ' );
if ( 3 === shortTimeStringParts.length ) {
timeZoneAbbreviation = shortTimeStringParts[2];
}
if ( 'undefined' === typeof timeZoneAbbreviation ) {
/*
* It's important to use the _event_ time, not the _current_
* time, so that daylight savings time is accounted for.
*/
var timeZoneOffset = app.getFlippedTimeZoneOffset( startTimestamp ),
sign = -1 === Math.sign( timeZoneOffset ) ? '' : '+';
// translators: Used as part of a string like `GMT+5` in the Events Widget.
timeZoneAbbreviation = _x( 'GMT', 'Events widget offset prefix' ) + sign + ( timeZoneOffset / 60 );
}
return timeZoneAbbreviation;
},
/**
* Format a start/end date in the user's local time zone and locale.
*
* @since 5.5.2
*
* @param {int} startDate The Unix timestamp in milliseconds when the the event starts.
* @param {int} endDate The Unix timestamp in milliseconds when the the event ends.
* @param {string} timeZone A time zone string or offset which is parsable by `wp.date.i18n()`.
*
* @returns {string}
*/
getFormattedDate: function( startDate, endDate, timeZone ) {
var formattedDate;
/*
* The `date_format` option is not used because it's important
* in this context to keep the day of the week in the displayed date,
* so that users can tell at a glance if the event is on a day they
* are available, without having to open the link.
*
* The case of crossing a year boundary is intentionally not handled.
* It's so rare in practice that it's not worth the complexity
* tradeoff. The _ending_ year should be passed to
* `multiple_month_event`, though, just in case.
*/
/* translators: Date format for upcoming events on the dashboard. Include the day of the week. See https://www.php.net/manual/datetime.format.php */
var singleDayEvent = __( 'l, M j, Y' ),
/* translators: Date string for upcoming events. 1: Month, 2: Starting day, 3: Ending day, 4: Year. */
multipleDayEvent = __( '%1$s %2$d%3$d, %4$d' ),
/* translators: Date string for upcoming events. 1: Starting month, 2: Starting day, 3: Ending month, 4: Ending day, 5: Ending year. */
multipleMonthEvent = __( '%1$s %2$d %3$s %4$d, %5$d' );
// Detect single-day events.
if ( ! endDate || format( 'Y-m-d', startDate ) === format( 'Y-m-d', endDate ) ) {
formattedDate = dateI18n( singleDayEvent, startDate, timeZone );
// Multiple day events.
} else if ( format( 'Y-m', startDate ) === format( 'Y-m', endDate ) ) {
formattedDate = sprintf(
multipleDayEvent,
dateI18n( _x( 'F', 'upcoming events month format' ), startDate, timeZone ),
dateI18n( _x( 'j', 'upcoming events day format' ), startDate, timeZone ),
dateI18n( _x( 'j', 'upcoming events day format' ), endDate, timeZone ),
dateI18n( _x( 'Y', 'upcoming events year format' ), endDate, timeZone )
);
// Multi-day events that cross a month boundary.
} else {
formattedDate = sprintf(
multipleMonthEvent,
dateI18n( _x( 'F', 'upcoming events month format' ), startDate, timeZone ),
dateI18n( _x( 'j', 'upcoming events day format' ), startDate, timeZone ),
dateI18n( _x( 'F', 'upcoming events month format' ), endDate, timeZone ),
dateI18n( _x( 'j', 'upcoming events day format' ), endDate, timeZone ),
dateI18n( _x( 'Y', 'upcoming events year format' ), endDate, timeZone )
);
}
return formattedDate;
}
};
if ( $( '#dashboard_primary' ).is( ':visible' ) ) {
app.init();
} else {
$( document ).on( 'postbox-toggled', function( event, postbox ) {
var $postbox = $( postbox );
if ( 'dashboard_primary' === $postbox.attr( 'id' ) && $postbox.is( ':visible' ) ) {
app.init();
}
});
}
});
/**
* Removed in 5.6.0, needed for back-compatibility.
*
* @since 4.8.0
* @deprecated 5.6.0
*
* @type {object}
*/
window.communityEventsData.l10n = window.communityEventsData.l10n || {
enter_closest_city: '',
error_occurred_please_try_again: '',
attend_event_near_generic: '',
could_not_locate_city: '',
city_updated: ''
};
window.communityEventsData.l10n = window.wp.deprecateL10nObject( 'communityEventsData.l10n', window.communityEventsData.l10n, '5.6.0' );