WordPress/wp-admin/js/press-this.js

923 lines
25 KiB
JavaScript

/**
* PressThis App
*
*/
( function( $, window ) {
var PressThis = function() {
var editor, $mediaList, $mediaThumbWrap,
$window = $( window ),
$document = $( document ),
saveAlert = false,
textarea = document.createElement( 'textarea' ),
sidebarIsOpen = false,
settings = window.wpPressThisConfig || {},
data = window.wpPressThisData || {},
smallestWidth = 128,
hasSetFocus = false,
catsCache = [],
isOffScreen = 'is-off-screen',
isHidden = 'is-hidden',
offscreenHidden = isOffScreen + ' ' + isHidden,
iOS = /iPad|iPod|iPhone/.test( window.navigator.userAgent ),
$textEditor = $( '#pressthis' ),
textEditor = $textEditor[0],
textEditorMinHeight = 600,
textLength = 0,
transitionEndEvent = ( function() {
var style = document.documentElement.style;
if ( typeof style.transition !== 'undefined' ) {
return 'transitionend';
}
if ( typeof style.WebkitTransition !== 'undefined' ) {
return 'webkitTransitionEnd';
}
return false;
}() );
/* ***************************************************************
* HELPER FUNCTIONS
*************************************************************** */
/**
* Emulates our PHP __() gettext function, powered by the strings exported in pressThisL10n.
*
* @param key string Key of the string to be translated, as found in pressThisL10n.
* @returns string Original or translated string, or empty string if no key.
*/
function __( key ) {
if ( key && window.pressThisL10n ) {
return window.pressThisL10n[key] || key;
}
return key || '';
}
/**
* Strips HTML tags
*
* @param string string Text to have the HTML tags striped out of.
* @returns string Stripped text.
*/
function stripTags( string ) {
string = string || '';
return string
.replace( /<!--[\s\S]*?(-->|$)/g, '' )
.replace( /<(script|style)[^>]*>[\s\S]*?(<\/\1>|$)/ig, '' )
.replace( /<\/?[a-z][\s\S]*?(>|$)/ig, '' );
}
/**
* Strip HTML tags and convert HTML entities.
*
* @param text string Text.
* @returns string Sanitized text.
*/
function sanitizeText( text ) {
var _text = stripTags( text );
try {
textarea.innerHTML = _text;
_text = stripTags( textarea.value );
} catch ( er ) {}
return _text;
}
/**
* Allow only HTTP or protocol relative URLs.
*
* @param url string The URL.
* @returns string Processed URL.
*/
function checkUrl( url ) {
url = $.trim( url || '' );
if ( /^(?:https?:)?\/\//.test( url ) ) {
url = stripTags( url );
return url.replace( /["\\]+/g, '' );
}
return '';
}
/**
* Show UX spinner
*/
function showSpinner() {
$( '.spinner' ).addClass( 'is-active' );
$( '.post-actions button' ).attr( 'disabled', 'disabled' );
}
/**
* Hide UX spinner
*/
function hideSpinner() {
$( '.spinner' ).removeClass( 'is-active' );
$( '.post-actions button' ).removeAttr( 'disabled' );
}
function textEditorResize( reset ) {
var pageYOffset, height;
if ( editor && ! editor.isHidden() ) {
return;
}
reset = ( reset === 'reset' ) || ( textLength && textLength > textEditor.value.length );
height = textEditor.style.height;
if ( reset ) {
pageYOffset = window.pageYOffset;
textEditor.style.height = 'auto';
textEditor.style.height = Math.max( textEditor.scrollHeight, textEditorMinHeight ) + 'px';
window.scrollTo( window.pageXOffset, pageYOffset );
} else if ( parseInt( textEditor.style.height, 10 ) < textEditor.scrollHeight ) {
textEditor.style.height = textEditor.scrollHeight + 'px';
}
textLength = textEditor.value.length;
}
function mceGetCursorOffset() {
if ( ! editor ) {
return false;
}
var node = editor.selection.getNode(),
range, view, offset;
if ( editor.wp && editor.wp.getView && ( view = editor.wp.getView( node ) ) ) {
offset = view.getBoundingClientRect();
} else {
range = editor.selection.getRng();
try {
offset = range.getClientRects()[0];
} catch( er ) {}
if ( ! offset ) {
offset = node.getBoundingClientRect();
}
}
return offset.height ? offset : false;
}
// Make sure the caret is always visible.
function mceKeyup( event ) {
var VK = window.tinymce.util.VK,
key = event.keyCode;
// Bail on special keys.
if ( key <= 47 && ! ( key === VK.SPACEBAR || key === VK.ENTER || key === VK.DELETE || key === VK.BACKSPACE || key === VK.UP || key === VK.LEFT || key === VK.DOWN || key === VK.UP ) ) {
return;
// OS keys, function keys, num lock, scroll lock
} else if ( ( key >= 91 && key <= 93 ) || ( key >= 112 && key <= 123 ) || key === 144 || key === 145 ) {
return;
}
mceScroll( key );
}
function mceScroll( key ) {
var cursorTop, cursorBottom, editorBottom,
offset = mceGetCursorOffset(),
bufferTop = 50,
bufferBottom = 65,
VK = window.tinymce.util.VK;
if ( ! offset ) {
return;
}
cursorTop = offset.top + editor.iframeElement.getBoundingClientRect().top;
cursorBottom = cursorTop + offset.height;
cursorTop = cursorTop - bufferTop;
cursorBottom = cursorBottom + bufferBottom;
editorBottom = $window.height();
// Don't scroll if the node is taller than the visible part of the editor
if ( editorBottom < offset.height ) {
return;
}
if ( cursorTop < 0 && ( key === VK.UP || key === VK.LEFT || key === VK.BACKSPACE ) ) {
window.scrollTo( window.pageXOffset, cursorTop + window.pageYOffset );
} else if ( cursorBottom > editorBottom ) {
window.scrollTo( window.pageXOffset, cursorBottom + window.pageYOffset - editorBottom );
}
}
/**
* Replace emoji images with chars and sanitize the text content.
*/
function getTitleText() {
var $element = $( '#title-container' );
$element.find( 'img.emoji' ).each( function() {
var $image = $( this );
$image.replaceWith( $( '<span>' ).text( $image.attr( 'alt' ) ) );
});
return sanitizeText( $element.text() );
}
/**
* Prepare the form data for saving.
*/
function prepareFormData() {
var $form = $( '#pressthis-form' ),
$input = $( '<input type="hidden" name="post_category[]" value="">' );
editor && editor.save();
$( '#post_title' ).val( getTitleText() );
// Make sure to flush out the tags with tagBox before saving
if ( window.tagBox ) {
$( 'div.tagsdiv' ).each( function() {
window.tagBox.flushTags( this, false, 1 );
} );
}
// Get selected categories
$( '.categories-select .category' ).each( function( i, element ) {
var $cat = $( element );
if ( $cat.hasClass( 'selected' ) ) {
// Have to append a node as we submit the actual form on preview
$form.append( $input.clone().val( $cat.attr( 'data-term-id' ) || '' ) );
}
});
}
/**
* Submit the post form via AJAX, and redirect to the proper screen if published vs saved as a draft.
*
* @param action string publish|draft
*/
function submitPost( action ) {
var data;
saveAlert = false;
showSpinner();
if ( 'publish' === action ) {
$( '#post_status' ).val( 'publish' );
}
prepareFormData();
data = $( '#pressthis-form' ).serialize();
$.ajax( {
type: 'post',
url: window.ajaxurl,
data: data
}).always( function() {
hideSpinner();
clearNotices();
$( '.publish-button' ).removeClass( 'is-saving' );
}).done( function( response ) {
if ( ! response.success ) {
renderError( response.data.errorMessage );
} else if ( response.data.redirect ) {
if ( window.opener && ( settings.redirInParent || response.data.force ) ) {
try {
window.opener.location.href = response.data.redirect;
window.setTimeout( function() {
window.self.close();
}, 200 );
} catch( er ) {
window.location.href = response.data.redirect;
}
} else {
window.location.href = response.data.redirect;
}
}
}).fail( function() {
renderError( __( 'serverError' ) );
});
}
/**
* Inserts the media a user has selected from the presented list inside the editor, as an image or embed, based on type
*
* @param type string img|embed
* @param src string Source URL
* @param link string Optional destination link, for images (defaults to src)
*/
function insertSelectedMedia( $element ) {
var src, link, newContent = '';
src = checkUrl( $element.attr( 'data-wp-src' ) || '' );
link = checkUrl( data.u );
if ( $element.hasClass( 'is-image' ) ) {
if ( ! link ) {
link = src;
}
newContent = '<a href="' + link + '"><img class="alignnone size-full" src="' + src + '" /></a>';
} else {
newContent = '[embed]' + src + '[/embed]';
}
if ( editor && ! editor.isHidden() ) {
if ( ! hasSetFocus ) {
editor.setContent( '<p>' + newContent + '</p>' + editor.getContent() );
} else {
editor.execCommand( 'mceInsertContent', false, newContent );
}
} else if ( window.QTags ) {
window.QTags.insertContent( newContent );
}
}
/**
* Save a new user-generated category via AJAX
*/
function saveNewCategory() {
var data,
name = $( '#new-category' ).val();
if ( ! name ) {
return;
}
data = {
action: 'press-this-add-category',
post_id: $( '#post_ID' ).val() || 0,
name: name,
new_cat_nonce: $( '#_ajax_nonce-add-category' ).val() || '',
parent: $( '#new-category-parent' ).val() || 0
};
$.post( window.ajaxurl, data, function( response ) {
if ( ! response.success ) {
renderError( response.data.errorMessage );
} else {
var $parent, $ul,
$wrap = $( 'ul.categories-select' );
$.each( response.data, function( i, newCat ) {
var $node = $( '<li>' ).append( $( '<div class="category selected" tabindex="0" role="checkbox" aria-checked="true">' )
.attr( 'data-term-id', newCat.term_id )
.text( newCat.name ) );
if ( newCat.parent ) {
if ( ! $ul || ! $ul.length ) {
$parent = $wrap.find( 'div[data-term-id="' + newCat.parent + '"]' ).parent();
$ul = $parent.find( 'ul.children:first' );
if ( ! $ul.length ) {
$ul = $( '<ul class="children">' ).appendTo( $parent );
}
}
$ul.prepend( $node );
} else {
$wrap.prepend( $node );
}
$node.focus();
} );
refreshCatsCache();
}
} );
}
/* ***************************************************************
* RENDERING FUNCTIONS
*************************************************************** */
/**
* Hide the form letting users enter a URL to be scanned, if a URL was already passed.
*/
function renderToolsVisibility() {
if ( data.hasData ) {
$( '#scanbar' ).hide();
}
}
/**
* Render error notice
*
* @param msg string Notice/error message
* @param error string error|notice CSS class for display
*/
function renderNotice( msg, error ) {
var $alerts = $( '.editor-wrapper div.alerts' ),
className = error ? 'is-error' : 'is-notice';
$alerts.append( $( '<p class="alert ' + className + '">' ).text( msg ) );
}
/**
* Render error notice
*
* @param msg string Error message
*/
function renderError( msg ) {
renderNotice( msg, true );
}
function clearNotices() {
$( 'div.alerts' ).empty();
}
/**
* Render notices on page load, if any already
*/
function renderStartupNotices() {
// Render errors sent in the data, if any
if ( data.errors ) {
$.each( data.errors, function( i, msg ) {
renderError( msg );
} );
}
}
/**
* Add an image to the list of found images.
*/
function addImg( src, displaySrc, i ) {
var $element = $mediaThumbWrap.clone().addClass( 'is-image' );
$element.attr( 'data-wp-src', src ).css( 'background-image', 'url(' + displaySrc + ')' )
.find( 'span' ).text( __( 'suggestedImgAlt' ).replace( '%d', i + 1 ) );
$mediaList.append( $element );
}
/**
* Render the detected images and embed for selection, if any
*/
function renderDetectedMedia() {
var found = 0;
$mediaList = $( 'ul.media-list' );
$mediaThumbWrap = $( '<li class="suggested-media-thumbnail" tabindex="0"><span class="screen-reader-text"></span></li>' );
if ( data._embeds ) {
$.each( data._embeds, function ( i, src ) {
var displaySrc = '',
cssClass = '',
$element = $mediaThumbWrap.clone().addClass( 'is-embed' );
src = checkUrl( src );
if ( src.indexOf( 'youtube.com/' ) > -1 ) {
displaySrc = 'https://i.ytimg.com/vi/' + src.replace( /.+v=([^&]+).*/, '$1' ) + '/hqdefault.jpg';
cssClass += ' is-video';
} else if ( src.indexOf( 'youtu.be/' ) > -1 ) {
displaySrc = 'https://i.ytimg.com/vi/' + src.replace( /\/([^\/])$/, '$1' ) + '/hqdefault.jpg';
cssClass += ' is-video';
} else if ( src.indexOf( 'dailymotion.com' ) > -1 ) {
displaySrc = src.replace( '/video/', '/thumbnail/video/' );
cssClass += ' is-video';
} else if ( src.indexOf( 'soundcloud.com' ) > -1 ) {
cssClass += ' is-audio';
} else if ( src.indexOf( 'twitter.com' ) > -1 ) {
cssClass += ' is-tweet';
} else {
cssClass += ' is-video';
}
$element.attr( 'data-wp-src', src ).find( 'span' ).text( __( 'suggestedEmbedAlt' ).replace( '%d', i + 1 ) );
if ( displaySrc ) {
$element.css( 'background-image', 'url(' + displaySrc + ')' );
}
$mediaList.append( $element );
found++;
} );
}
if ( data._images ) {
$.each( data._images, function( i, src ) {
var displaySrc, img = new Image();
src = checkUrl( src );
displaySrc = src.replace( /^(http[^\?]+)(\?.*)?$/, '$1' );
if ( src.indexOf( 'files.wordpress.com/' ) > -1 ) {
displaySrc = displaySrc.replace( /\?.*$/, '' ) + '?w=' + smallestWidth;
} else if ( src.indexOf( 'gravatar.com/' ) > -1 ) {
displaySrc = displaySrc.replace( /\?.*$/, '' ) + '?s=' + smallestWidth;
} else {
displaySrc = src;
}
img.onload = function() {
if ( ( img.width && img.width < 256 ) ||
( img.height && img.height < 128 ) ) {
return;
}
addImg( src, displaySrc, i );
};
img.src = src;
found++;
} );
}
if ( found ) {
$( '.media-list-container' ).addClass( 'has-media' );
}
}
/* ***************************************************************
* MONITORING FUNCTIONS
*************************************************************** */
/**
* Interactive navigation behavior for the options modal (post format, tags, categories)
*/
function monitorOptionsModal() {
var $postOptions = $( '.post-options' ),
$postOption = $( '.post-option' ),
$settingModal = $( '.setting-modal' ),
$modalClose = $( '.modal-close' );
$postOption.on( 'click', function() {
var index = $( this ).index(),
$targetSettingModal = $settingModal.eq( index );
$postOptions.addClass( isOffScreen )
.one( transitionEndEvent, function() {
$( this ).addClass( isHidden );
} );
$targetSettingModal.removeClass( offscreenHidden )
.one( transitionEndEvent, function() {
$( this ).find( '.modal-close' ).focus();
} );
} );
$modalClose.on( 'click', function() {
var $targetSettingModal = $( this ).parent(),
index = $targetSettingModal.index();
$postOptions.removeClass( offscreenHidden );
$targetSettingModal.addClass( isOffScreen );
if ( transitionEndEvent ) {
$targetSettingModal.one( transitionEndEvent, function() {
$( this ).addClass( isHidden );
$postOption.eq( index - 1 ).focus();
} );
} else {
setTimeout( function() {
$targetSettingModal.addClass( isHidden );
$postOption.eq( index - 1 ).focus();
}, 350 );
}
} );
}
/**
* Interactive behavior for the sidebar toggle, to show the options modals
*/
function openSidebar() {
sidebarIsOpen = true;
$( '.options' ).removeClass( 'closed' ).addClass( 'open' );
$( '.press-this-actions, #scanbar' ).addClass( isHidden );
$( '.options-panel-back' ).removeClass( isHidden );
$( '.options-panel' ).removeClass( offscreenHidden )
.one( transitionEndEvent, function() {
$( '.post-option:first' ).focus();
} );
}
function closeSidebar() {
sidebarIsOpen = false;
$( '.options' ).removeClass( 'open' ).addClass( 'closed' );
$( '.options-panel-back' ).addClass( isHidden );
$( '.press-this-actions, #scanbar' ).removeClass( isHidden );
$( '.options-panel' ).addClass( isOffScreen )
.one( transitionEndEvent, function() {
$( this ).addClass( isHidden );
// Reset to options list
$( '.post-options' ).removeClass( offscreenHidden );
$( '.setting-modal').addClass( offscreenHidden );
});
}
/**
* Interactive behavior for the post title's field placeholder
*/
function monitorPlaceholder() {
var $titleField = $( '#title-container' ),
$placeholder = $( '.post-title-placeholder' );
$titleField.on( 'focus', function() {
$placeholder.addClass( 'is-hidden' );
}).on( 'blur', function() {
if ( ! $titleField.text() && ! $titleField.html() ) {
$placeholder.removeClass( 'is-hidden' );
}
}).on( 'keyup', function() {
saveAlert = true;
}).on( 'paste', function( event ) {
var text, range,
clipboard = event.originalEvent.clipboardData || window.clipboardData;
if ( clipboard ) {
try{
text = clipboard.getData( 'Text' ) || clipboard.getData( 'text/plain' );
if ( text ) {
text = $.trim( text.replace( /\s+/g, ' ' ) );
if ( window.getSelection ) {
range = window.getSelection().getRangeAt(0);
if ( range ) {
if ( ! range.collapsed ) {
range.deleteContents();
}
range.insertNode( document.createTextNode( text ) );
}
} else if ( document.selection ) {
range = document.selection.createRange();
if ( range ) {
range.text = text;
}
}
}
} catch ( er ) {}
event.preventDefault();
}
saveAlert = true;
setTimeout( function() {
$titleField.text( getTitleText() );
}, 50 );
});
if ( $titleField.text() || $titleField.html() ) {
$placeholder.addClass('is-hidden');
}
}
function toggleCatItem( $element ) {
if ( $element.hasClass( 'selected' ) ) {
$element.removeClass( 'selected' ).attr( 'aria-checked', 'false' );
} else {
$element.addClass( 'selected' ).attr( 'aria-checked', 'true' );
}
}
function monitorCatList() {
$( '.categories-select' ).on( 'click.press-this keydown.press-this', function( event ) {
var $element = $( event.target );
if ( $element.is( 'div.category' ) ) {
if ( event.type === 'keydown' && event.keyCode !== 32 ) {
return;
}
toggleCatItem( $element );
event.preventDefault();
}
});
}
function splitButtonClose() {
$( '.split-button' ).removeClass( 'is-open' );
$( '.split-button-toggle' ).attr( 'aria-expanded', 'false' );
}
/* ***************************************************************
* PROCESSING FUNCTIONS
*************************************************************** */
/**
* Calls all the rendring related functions to happen on page load
*/
function render(){
// We're on!
renderToolsVisibility();
renderDetectedMedia();
renderStartupNotices();
if ( window.tagBox ) {
window.tagBox.init();
}
// iOS doesn't fire click events on "standard" elements without this...
if ( iOS ) {
$( document.body ).css( 'cursor', 'pointer' );
}
}
/**
* Set app events and other state monitoring related code.
*/
function monitor() {
var $splitButton = $( '.split-button' );
$document.on( 'tinymce-editor-init', function( event, ed ) {
editor = ed;
editor.on( 'nodechange', function() {
hasSetFocus = true;
});
editor.on( 'focus', function() {
splitButtonClose();
});
editor.on( 'show', function() {
setTimeout( function() {
editor.execCommand( 'wpAutoResize' );
}, 300 );
});
editor.on( 'hide', function() {
setTimeout( function() {
textEditorResize( 'reset' );
}, 100 );
});
editor.on( 'keyup', mceKeyup );
editor.on( 'undo redo', mceScroll );
}).on( 'click.press-this keypress.press-this', '.suggested-media-thumbnail', function( event ) {
if ( event.type === 'click' || event.keyCode === 13 ) {
insertSelectedMedia( $( this ) );
}
}).on( 'click.press-this', function( event ) {
if ( ! $( event.target ).closest( 'button' ).hasClass( 'split-button-toggle' ) ) {
splitButtonClose();
}
});
// Publish, Draft and Preview buttons
$( '.post-actions' ).on( 'click.press-this', function( event ) {
var $target = $( event.target ),
$button = $target.closest( 'button' );
if ( $button.length ) {
if ( $button.hasClass( 'draft-button' ) ) {
$( '.publish-button' ).addClass( 'is-saving' );
submitPost( 'draft' );
} else if ( $button.hasClass( 'publish-button' ) ) {
$button.addClass( 'is-saving' );
submitPost( 'publish' );
} else if ( $button.hasClass( 'preview-button' ) ) {
prepareFormData();
window.opener && window.opener.focus();
$( '#wp-preview' ).val( 'dopreview' );
$( '#pressthis-form' ).attr( 'target', '_blank' ).submit().attr( 'target', '' );
$( '#wp-preview' ).val( '' );
} else if ( $button.hasClass( 'standard-editor-button' ) ) {
$( '.publish-button' ).addClass( 'is-saving' );
$( '#pt-force-redirect' ).val( 'true' );
submitPost( 'draft' );
} else if ( $button.hasClass( 'split-button-toggle' ) ) {
if ( $splitButton.hasClass( 'is-open' ) ) {
$splitButton.removeClass( 'is-open' );
$button.attr( 'aria-expanded', 'false' );
} else {
$splitButton.addClass( 'is-open' );
$button.attr( 'aria-expanded', 'true' );
}
}
}
});
monitorOptionsModal();
monitorPlaceholder();
monitorCatList();
$( '.options' ).on( 'click.press-this', function() {
if ( $( this ).hasClass( 'open' ) ) {
closeSidebar();
} else {
openSidebar();
}
});
// Close the sidebar when focus moves outside of it.
$( '.options-panel, .options-panel-back' ).on( 'focusout.press-this', function() {
setTimeout( function() {
var node = document.activeElement,
$node = $( node );
if ( sidebarIsOpen && node && ! $node.hasClass( 'options-panel-back' ) &&
( node.nodeName === 'BODY' ||
( ! $node.closest( '.options-panel' ).length &&
! $node.closest( '.options' ).length ) ) ) {
closeSidebar();
}
}, 50 );
});
$( '#post-formats-select input' ).on( 'change', function() {
var $this = $( this );
if ( $this.is( ':checked' ) ) {
$( '#post-option-post-format' ).text( $( 'label[for="' + $this.attr( 'id' ) + '"]' ).text() || '' );
}
} );
$window.on( 'beforeunload.press-this', function() {
if ( saveAlert || ( editor && editor.isDirty() ) ) {
return __( 'saveAlert' );
}
} ).on( 'resize.press-this', function() {
if ( ! editor || editor.isHidden() ) {
textEditorResize( 'reset' );
}
});
$( 'button.add-cat-toggle' ).on( 'click.press-this', function() {
var $this = $( this );
$this.toggleClass( 'is-toggled' );
$this.attr( 'aria-expanded', 'false' === $this.attr( 'aria-expanded' ) ? 'true' : 'false' );
$( '.setting-modal .add-category, .categories-search-wrapper' ).toggleClass( 'is-hidden' );
} );
$( 'button.add-cat-submit' ).on( 'click.press-this', saveNewCategory );
$( '.categories-search' ).on( 'keyup.press-this', function() {
var search = $( this ).val().toLowerCase() || '';
// Don't search when less thasn 3 extended ASCII chars
if ( /[\x20-\xFF]+/.test( search ) && search.length < 2 ) {
return;
}
$.each( catsCache, function( i, cat ) {
cat.node.removeClass( 'is-hidden searched-parent' );
} );
if ( search ) {
$.each( catsCache, function( i, cat ) {
if ( cat.text.indexOf( search ) === -1 ) {
cat.node.addClass( 'is-hidden' );
} else {
cat.parents.addClass( 'searched-parent' );
}
} );
}
} );
$textEditor.on( 'focus.press-this input.press-this propertychange.press-this', textEditorResize );
return true;
}
function refreshCatsCache() {
$( '.categories-select' ).find( 'li' ).each( function() {
var $this = $( this );
catsCache.push( {
node: $this,
parents: $this.parents( 'li' ),
text: $this.children( '.category' ).text().toLowerCase()
} );
} );
}
// Let's go!
$document.ready( function() {
render();
monitor();
refreshCatsCache();
});
// Expose public methods?
return {
renderNotice: renderNotice,
renderError: renderError
};
};
window.wp = window.wp || {};
window.wp.pressThis = new PressThis();
}( jQuery, window ));