/**
* Interface for the classic edit toolbar.
*
* @class mw.toolbar
* @singleton
*/
( function ( mw, $ ) {
var toolbar, isReady, $toolbar, queue, slice, $currentFocused;
/**
* Internal helper that does the actual insertion of the button into the toolbar.
*
* For backwards-compatibility, passing `imageFile`, `speedTip`, `tagOpen`, `tagClose`,
* `sampleText` and `imageId` as separate arguments (in this order) is also supported.
*
* @private
*
* @param {Object} button Object with the following properties.
* You are required to provide *either* the `onClick` parameter, or the three parameters
* `tagOpen`, `tagClose` and `sampleText`, but not both (they're mutually exclusive).
* @param {string} [button.imageFile] Image to use for the button.
* @param {string} button.speedTip Tooltip displayed when user mouses over the button.
* @param {Function} [button.onClick] Function to be executed when the button is clicked.
* @param {string} [button.tagOpen]
* @param {string} [button.tagClose]
* @param {string} [button.sampleText] Alternative to `onClick`. `tagOpen`, `tagClose` and
* `sampleText` together provide the markup that should be inserted into page text at
* current cursor position.
* @param {string} [button.imageId] `id` attribute of the button HTML element. Can be
* used to define the image with CSS if it's not provided as `imageFile`.
*/
function insertButton( button, speedTip, tagOpen, tagClose, sampleText, imageId ) {
var $button;
// Backwards compatibility
if ( typeof button !== 'object' ) {
button = {
imageFile: button,
speedTip: speedTip,
tagOpen: tagOpen,
tagClose: tagClose,
sampleText: sampleText,
imageId: imageId
};
}
if ( button.imageFile ) {
$button = $( '
' ).attr( {
src: button.imageFile,
alt: button.speedTip,
title: button.speedTip,
id: button.imageId || undefined,
'class': 'mw-toolbar-editbutton'
} );
} else {
$button = $( '
' ).attr( {
title: button.speedTip,
id: button.imageId || undefined,
'class': 'mw-toolbar-editbutton'
} );
}
$button.click( function ( e ) {
if ( button.onClick !== undefined ) {
button.onClick( e );
} else {
toolbar.insertTags( button.tagOpen, button.tagClose, button.sampleText );
}
return false;
} );
$toolbar.append( $button );
}
isReady = false;
$toolbar = false;
/**
* @private
* @property {Array}
* Contains button objects (and for backwards compatibilty, it can
* also contains an arguments array for insertButton).
*/
queue = [];
slice = queue.slice;
toolbar = {
/**
* Add buttons to the toolbar.
*
* Takes care of race conditions and time-based dependencies by placing buttons in a queue if
* this method is called before the toolbar is created.
*
* For backwards-compatibility, passing `imageFile`, `speedTip`, `tagOpen`, `tagClose`,
* `sampleText` and `imageId` as separate arguments (in this order) is also supported.
*
* @inheritdoc #insertButton
*/
addButton: function () {
if ( isReady ) {
insertButton.apply( toolbar, arguments );
} else {
// Convert arguments list to array
queue.push( slice.call( arguments ) );
}
},
/**
* Add multiple buttons to the toolbar (see also #addButton).
*
* Example usage:
*
* addButtons( [ { .. }, { .. }, { .. } ] );
* addButtons( { .. }, { .. } );
*
* @param {Object|Array...} [buttons] An array of button objects or the first
* button object in a list of variadic arguments.
*/
addButtons: function ( buttons ) {
if ( !$.isArray( buttons ) ) {
buttons = slice.call( arguments );
}
if ( isReady ) {
$.each( buttons, function () {
insertButton( this );
} );
} else {
// Push each button into the queue
queue.push.apply( queue, buttons );
}
},
/**
* Apply tagOpen/tagClose to selection in currently focused textarea.
*
* Uses `sampleText` if selection is empty.
*
* @param {string} tagOpen
* @param {string} tagClose
* @param {string} sampleText
*/
insertTags: function ( tagOpen, tagClose, sampleText ) {
if ( $currentFocused && $currentFocused.length ) {
$currentFocused.textSelection(
'encapsulateSelection', {
pre: tagOpen,
peri: sampleText,
post: tagClose
}
);
}
}
};
// Legacy (for compatibility with the code previously in skins/common.edit.js)
mw.log.deprecate( window, 'addButton', toolbar.addButton, 'Use mw.toolbar.addButton instead.' );
mw.log.deprecate( window, 'insertTags', toolbar.insertTags, 'Use mw.toolbar.insertTags instead.' );
// For backwards compatibility. Used to be called from EditPage.php, maybe other places as well.
mw.log.deprecate( toolbar, 'init', $.noop );
// Expose API publicly
mw.toolbar = toolbar;
$( function () {
var i, button;
// Used to determine where to insert tags
$currentFocused = $( '#wpTextbox1' );
// Populate the selector cache for $toolbar
$toolbar = $( '#toolbar' );
for ( i = 0; i < queue.length; i++ ) {
button = queue[i];
if ( $.isArray( button ) ) {
// Forwarded arguments array from mw.toolbar.addButton
insertButton.apply( toolbar, button );
} else {
// Raw object from mw.toolbar.addButtons
insertButton( button );
}
}
// Clear queue
queue.length = 0;
// This causes further calls to addButton to go to insertion directly
// instead of to the queue.
// It is important that this is after the one and only loop through
// the queue
isReady = true;
// Apply to dynamically created textboxes as well as normal ones
$( document ).on( 'focus', 'textarea, input:text', function () {
$currentFocused = $( this );
} );
} );
}( mediaWiki, jQuery ) );