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/**
* 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.
*
* See #addButton for parameter documentation.
*
* @private
*/
function insertButton( b, speedTip, tagOpen, tagClose, sampleText, imageId ) {
// Backwards compatibility
if ( typeof b !== 'object' ) {
b = {
imageFile: b,
speedTip: speedTip,
tagOpen: tagOpen,
tagClose: tagClose,
sampleText: sampleText,
imageId: imageId
};
}
var $image = $( '<img>' ).attr( {
width : 23,
height: 22,
src : b.imageFile,
alt : b.speedTip,
title : b.speedTip,
id : b.imageId || undefined,
'class': 'mw-toolbar-editbutton'
} ).click( function () {
toolbar.insertTags( b.tagOpen, b.tagClose, b.sampleText );
return false;
} );
$toolbar.append( $image );
}
isReady = false;
$toolbar = false;
/**
* @private
* @property {Array}
* Contains button objects (and for backwards compatibilty, it can
* also contains an arguments array for insertButton).
*/
queue = [];
slice = queue.slice;
toolbar = {
/**
* Add buttons to the toolbar.
*
* Takes care of race conditions and time-based dependencies
* by placing buttons in a queue if this method is called before
* the toolbar is created.
*
* For compatiblity, passing the properties listed below as separate arguments
* (in the listed order) is also supported.
*
* @param {Object} button Object with the following properties:
* @param {string} button.imageFile
* @param {string} button.speedTip
* @param {string} button.tagOpen
* @param {string} button.tagClose
* @param {string} button.sampleText
* @param {string} [button.imageId]
*/
addButton: function () {
if ( isReady ) {
insertButton.apply( toolbar, arguments );
} else {
// Convert arguments list to array
queue.push( slice.call( arguments ) );
}
},
/**
* Example usage:
* addButtons( [ { .. }, { .. }, { .. } ] );
* addButtons( { .. }, { .. } );
*
* @param {Object|Array} [buttons...] An array of button objects or the first
* button object in a list of variadic arguments.
*/
addButtons: function ( buttons ) {
if ( !$.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
}
);
}
},
// For backwards compatibility,
// Called from EditPage.php, maybe in other places as well.
init: function () {}
};
// Legacy (for compatibility with the code previously in skins/common.edit.js)
window.addButton = toolbar.addButton;
window.insertTags = toolbar.insertTags;
// Explose API publicly
mw.toolbar = toolbar;
$( function () {
var i, b, $iframe, editBox, scrollTop, $editForm;
// currentFocus is used to determine where to insert tags
$currentFocused = $( '#wpTextbox1' );
// Populate the selector cache for $toolbar
$toolbar = $( '#toolbar' );
for ( i = 0; i < queue.length; i++ ) {
b = queue[i];
if ( $.isArray( b ) ) {
// Forwarded arguments array from mw.toolbar.addButton
insertButton.apply( toolbar, b );
} else {
// Raw object from mw.toolbar.addButtons
insertButton( b );
}
}
// 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 the queue
isReady = true;
// Make sure edit summary does not exceed byte limit
$( '#wpSummary' ).byteLimit( 255 );
// Restore the edit box scroll state following a preview operation,
// and set up a form submission handler to remember this state.
editBox = document.getElementById( 'wpTextbox1' );
scrollTop = document.getElementById( 'wpScrolltop' );
$editForm = $( '#editform' );
if ( $editForm.length && editBox && scrollTop ) {
if ( scrollTop.value ) {
editBox.scrollTop = scrollTop.value;
}
$editForm.submit( function () {
scrollTop.value = editBox.scrollTop;
});
}
// Apply to dynamically created textboxes as well as normal ones
$( document ).on( 'focus', 'textarea, input:text', function () {
$currentFocused = $( this );
} );
// HACK: make $currentFocused work with the usability iframe
// With proper focus detection support (HTML 5!) this'll be much cleaner
// TODO: Get rid of this WikiEditor code from MediaWiki core!
$iframe = $( '.wikiEditor-ui-text iframe' );
if ( $iframe.length > 0 ) {
$( $iframe.get( 0 ).contentWindow.document )
// for IE
.add( $iframe.get( 0 ).contentWindow.document.body )
.focus( function () {
$currentFocused = $iframe;
} );
}
});
}( mediaWiki, jQuery ) );
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