mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/WikiEditor
synced 2024-11-24 00:06:49 +00:00
0f24c10873
Remove use of mw.loader.getVersion, which I'm planning to remove
from the public API. The only valid use case I found of it (not
in WMF repos) is to check if a module exists, for which one can
use mw.loader.getState() already.
The code path here handles with the 'icon' property of a
WikiEditor "toolbar group tool". In other words, the buttons
you can click in the toolbar to open a dialog or insert markup.
I found two ways to reach this code path:
* For the built-in tools and icons that are part of WikiEditor.
These are all based on OOUI now and no longer use inline styles
with background-image etc., they are class-based instead, with
the URLs and language variants handled server-side by RL.
* For user scripts that register a custom tool and icon.
To try this, copy snippets to the console on an edit page from
<https://meta.wikimedia.org/wiki/User:Krinkle/Scripts/InsertWikiEditorButton>
These pass urls as the 'icon' property and thus don't satisfy
the hasOwn condition in this code. And even if they did, there'd
be no reason for the module version to be helpful to the thumbnail
url the user would have passed.
This line of code has existed with the mw.loader.getVersion() call
since the repository's very first commit in 2010 (9d278e8dee).
The worst that can happen is if there are stil some internal icons
hitting this path, they'll be cached for 1 hour instead of 7 days
(per /w/static.php rules in production). For third parties, there
would be no difference and such static paths have no caching by
default either way (outside WMF).
Change-Id: I6ec29abde0085d04b662b56b5ebcc2bd7fa267f8
576 lines
20 KiB
JavaScript
576 lines
20 KiB
JavaScript
/**
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* This plugin provides a way to build a wiki-text editing user interface around a textarea.
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*
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* @example To initialize without any modules:
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* $( 'div#edittoolbar' ).wikiEditor();
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*
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* @example To initialize with one or more modules, or to add modules after it's already been initialized:
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* $( 'textarea#wpTextbox1' ).wikiEditor( 'addModule', 'toolbar', { ... config ... } );
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*
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*/
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( function () {
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var hasOwn = Object.prototype.hasOwnProperty,
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/**
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* Array of language codes.
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*/
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fallbackChain = ( function () {
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// eslint-disable-next-line no-jquery/no-class-state
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var isRTL = $( document.body ).hasClass( 'rtl' ),
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chain = mw.language.getFallbackLanguageChain();
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// Do not fallback to 'en'
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if ( chain.length >= 2 && !/^en-/.test( chain[ chain.length - 2 ] ) ) {
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chain.pop();
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}
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if ( isRTL ) {
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chain.push( 'default-rtl' );
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}
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chain.push( 'default' );
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return chain;
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}() );
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/**
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* Global static object for wikiEditor that provides generally useful functionality to all modules and contexts.
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*/
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$.wikiEditor = {
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/**
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* For each module that is loaded, static code shared by all instances is loaded into this object organized by
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* module name. The existence of a module in this object only indicates the module is available. To check if a
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* module is in use by a specific context check the context.modules object.
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*/
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modules: {
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toolbar: require( './jquery.wikiEditor.toolbar.js' ),
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dialogs: require( './jquery.wikiEditor.dialogs.js' )
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},
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/**
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* A context can be extended, such as adding iframe support, on a per-wikiEditor instance basis.
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*/
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extensions: {},
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/**
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* In some cases like with the iframe's HTML file, it's convenient to have a lookup table of all instances of the
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* WikiEditor. Each context contains an instance field which contains a key that corresponds to a reference to the
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* textarea which the WikiEditor was build around. This way, by passing a simple integer you can provide a way back
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* to a specific context.
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*/
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instances: [],
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/**
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* Path to images - this is a bit messy, and it would need to change if this code (and images) gets moved into the
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* core - or anywhere for that matter...
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*/
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imgPath: mw.config.get( 'wgExtensionAssetsPath' ) + '/WikiEditor/modules/images/',
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/**
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* Checks if a module has a specific requirement
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*
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* @param {Object} module Module object
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* @param {string} requirement String identifying requirement
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* @return {boolean}
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*/
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isRequired: function ( module, requirement ) {
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var req;
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if ( typeof module.req !== 'undefined' ) {
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for ( req in module.req ) {
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if ( module.req[ req ] === requirement ) {
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return true;
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}
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}
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}
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return false;
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},
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/**
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* Provides a way to extract messages from objects. Wraps a mw.message( ... ).text() call.
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*
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* FIXME: This is a security nightmare. Only use is for the help toolbar panel. Inline the
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* special need instead?
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* FIXME: Also, this is ludicrously complex. Just use mw.message().text() directly.
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*
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* @param {Object} object Object to extract messages from
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* @param {string} property String of name of property which contains the message. This should be the base name of the
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* property, which means that in the case of the object { this: 'that', fooMsg: 'bar' }, passing property as 'this'
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* would return the raw text 'that', while passing property as 'foo' would return the internationalized message
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* with the key 'bar'.
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* @return {string}
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*/
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autoMsg: function ( object, property ) {
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var i, p;
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// Accept array of possible properties, of which the first one found will be used
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if ( typeof property === 'object' ) {
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for ( i in property ) {
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if ( property[ i ] in object || property[ i ] + 'Msg' in object ) {
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property = property[ i ];
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break;
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}
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}
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}
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if ( property in object ) {
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return object[ property ];
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} else if ( property + 'Msg' in object ) {
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p = object[ property + 'Msg' ];
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if ( Array.isArray( p ) && p.length >= 2 ) {
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return mw.message.apply( mw.message, p ).text();
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} else {
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// eslint-disable-next-line mediawiki/msg-doc
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return mw.message( p ).text();
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}
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} else {
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return '';
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}
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},
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/**
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* Provides a way to extract messages from objects. Wraps a mw.message( ... ).escaped() call.
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*
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* FIXME: This is ludicrously complex. Just use mw.message().escaped() directly.
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*
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* @param {Object} object Object to extract messages from
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* @param {string} property String of name of property which contains the message. This should be the base name of the
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* property, which means that in the case of the object { this: 'that', fooMsg: 'bar' }, passing property as 'this'
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* would return the raw text 'that', while passing property as 'foo' would return the internationalized message
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* with the key 'bar'. This is then escaped.
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* @return {string}
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*/
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autoSafeMsg: function ( object, property ) {
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var i, p;
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// Accept array of possible properties, of which the first one found will be used
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if ( typeof property === 'object' ) {
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for ( i in property ) {
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if ( property[ i ] in object || property[ i ] + 'Msg' in object ) {
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property = property[ i ];
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break;
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}
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}
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}
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if ( property in object ) {
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return object[ property ];
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} else if ( property + 'Msg' in object ) {
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p = object[ property + 'Msg' ];
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if ( Array.isArray( p ) && p.length >= 2 ) {
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return mw.message.apply( mw.message, p ).escaped();
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} else {
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// eslint-disable-next-line mediawiki/msg-doc
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return mw.message( p ).escaped();
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}
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} else {
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return '';
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}
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},
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/**
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* Provides a way to extract a property of an object in a certain language, falling back on the property keyed as
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* 'default' or 'default-rtl'. If such key doesn't exist, the object itself is considered the actual value, which
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* should ideally be the case so that you may use a string or object of any number of strings keyed by language
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* with a default.
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*
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* @param {Object} object Object to extract property from
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* @return {Object}
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*/
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autoLang: function ( object ) {
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var i, key;
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for ( i = 0; i < fallbackChain.length; i++ ) {
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key = fallbackChain[ i ];
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if ( hasOwn.call( object, key ) ) {
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return object[ key ];
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}
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}
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return object;
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},
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/**
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* Provides a way to extract the path of an icon in a certain language, automatically appending a version number for
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* caching purposes and prepending an image path when icon paths are relative.
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*
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* @param {Object} icon Icon object from e.g. toolbar config
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* @param {string} path Default icon path, defaults to $.wikiEditor.imgPath
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* @return {Object}
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*/
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autoIcon: function ( icon, path ) {
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var i, key, src;
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path = path || $.wikiEditor.imgPath;
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for ( i = 0; i < fallbackChain.length; i++ ) {
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key = fallbackChain[ i ];
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if ( icon && hasOwn.call( icon, key ) ) {
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src = icon[ key ];
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// Return a data URL immediately
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if ( src.substr( 0, 5 ) === 'data:' ) {
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return src;
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}
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// Prepend path if src is not absolute
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if ( src.substr( 0, 7 ) !== 'http://' && src.substr( 0, 8 ) !== 'https://' && src[ 0 ] !== '/' ) {
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src = path + src;
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}
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return src;
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}
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}
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return icon;
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}
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};
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/**
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* jQuery plugin that provides a way to initialize a wikiEditor instance on a textarea.
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*
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* @return {jQuery}
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*/
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$.fn.wikiEditor = function () {
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var context, hasFocus, cursorPos,
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args, modules, module, extension, call;
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/* Initialization */
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// The wikiEditor context is stored in the element's data, so when this function gets called again we can pick up right
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// where we left off
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context = $( this ).data( 'wikiEditor-context' );
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// On first call, we need to set things up, but on all following calls we can skip right to the API handling
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if ( !context || typeof context === 'undefined' ) {
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// Star filling the context with useful data - any jQuery selections, as usual should be named with a preceding $
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context = {
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// Reference to the textarea element which the wikiEditor is being built around
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$textarea: $( this ),
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// Container for any number of mutually exclusive views that are accessible by tabs
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views: {},
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// Container for any number of module-specific data - only including data for modules in use on this context
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modules: {},
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// General place to shove bits of data into
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data: {},
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// Unique numeric ID of this instance used both for looking up and differentiating instances of wikiEditor
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instance: $.wikiEditor.instances.push( $( this ) ) - 1,
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// Saved selection state for old IE (<=10)
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savedSelection: null,
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// List of extensions active on this context
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extensions: []
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};
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/**
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* Externally Accessible API
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*
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* These are available using calls to $( selection ).wikiEditor( call, data ) where selection is a jQuery selection
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* of the textarea that the wikiEditor instance was built around.
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*/
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context.api = {
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/*!
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* Activates a module on a specific context with optional configuration data.
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*
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* @param data Either a string of the name of a module to add without any additional configuration parameters,
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* or an object with members keyed with module names and valued with configuration objects.
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*/
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addModule: function ( context, data ) {
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var module, call,
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modules = {};
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if ( typeof data === 'string' ) {
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modules[ data ] = {};
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} else if ( typeof data === 'object' ) {
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modules = data;
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}
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for ( module in modules ) {
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// Check for the existence of an available module with a matching name and a create function
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if ( typeof module === 'string' && typeof $.wikiEditor.modules[ module ] !== 'undefined' ) {
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// Extend the context's core API with this module's own API calls
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if ( 'api' in $.wikiEditor.modules[ module ] ) {
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for ( call in $.wikiEditor.modules[ module ].api ) {
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// Modules may not overwrite existing API functions - first come, first serve
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if ( !( call in context.api ) ) {
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context.api[ call ] = $.wikiEditor.modules[ module ].api[ call ];
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}
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}
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}
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// Activate the module on this context
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if ( 'fn' in $.wikiEditor.modules[ module ] &&
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'create' in $.wikiEditor.modules[ module ].fn &&
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typeof context.modules[ module ] === 'undefined'
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) {
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// Add a place for the module to put it's own stuff
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context.modules[ module ] = {};
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// Tell the module to create itself on the context
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$.wikiEditor.modules[ module ].fn.create( context, modules[ module ] );
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}
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}
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}
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}
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};
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/**
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* Event Handlers
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*
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* These act as filters returning false if the event should be ignored or returning true if it should be passed
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* on to all modules. This is also where we can attach some extra information to the events.
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*/
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context.evt = {
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/* Empty until extensions add some; see jquery.wikiEditor.iframe.js for examples. */
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};
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/* Internal Functions */
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context.fn = {
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/**
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* Executes core event filters as well as event handlers provided by modules.
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*
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* @param {string} name
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* @param {Object} event
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* @return {boolean}
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*/
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trigger: function ( name, event ) {
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var returnFromModules, module, ret;
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// Event is an optional argument, but from here on out, at least the type field should be dependable
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if ( typeof event === 'undefined' ) {
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event = { type: 'custom' };
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}
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// Ensure there's a place for extra information to live
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if ( typeof event.data === 'undefined' ) {
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event.data = {};
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}
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// Allow filtering to occur
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if ( name in context.evt ) {
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if ( !context.evt[ name ]( event ) ) {
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return false;
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}
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}
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returnFromModules = null; // they return null by default
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// Pass the event around to all modules activated on this context
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for ( module in context.modules ) {
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if (
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module in $.wikiEditor.modules &&
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'evt' in $.wikiEditor.modules[ module ] &&
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name in $.wikiEditor.modules[ module ].evt
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) {
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ret = $.wikiEditor.modules[ module ].evt[ name ]( context, event );
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if ( ret !== null ) {
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// if 1 returns false, the end result is false
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if ( returnFromModules === null ) {
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returnFromModules = ret;
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} else {
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returnFromModules = returnFromModules && ret;
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}
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}
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}
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}
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if ( returnFromModules !== null ) {
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return returnFromModules;
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} else {
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return true;
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}
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},
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/**
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* Adds a button to the UI
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*
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* @param {Object} options
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* @return {jQuery}
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*/
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addButton: function ( options ) {
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// Ensure that buttons and tabs are visible
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context.$controls.show();
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context.$buttons.show();
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return $( '<button>' )
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.text( $.wikiEditor.autoMsg( options, 'caption' ) )
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.on( 'click', options.action )
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.appendTo( context.$buttons );
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},
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/**
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* Adds a view to the UI, which is accessed using a set of tabs. Views are mutually exclusive and by default a
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* wikitext view will be present. Only when more than one view exists will the tabs will be visible.
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*
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* @param {Object} options
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* @return {jQuery}
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*/
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addView: function ( options ) {
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// Adds a tab
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function addTab( options ) {
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// Ensure that buttons and tabs are visible
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context.$controls.show();
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context.$tabs.show();
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// Return the newly appended tab
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return $( '<div>' )
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.attr( 'rel', 'wikiEditor-ui-view-' + options.name )
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.addClass( context.view === options.name ? 'current' : null )
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.append( $( '<a>' )
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.attr( 'tabindex', 0 )
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.on( 'mousedown', function () {
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// No dragging!
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return false;
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} )
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.on( 'click keydown', function ( event ) {
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if (
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event.type === 'click' ||
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event.type === 'keydown' && event.key === 'Enter'
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) {
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context.$ui.find( '.wikiEditor-ui-view' ).hide();
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context.$ui.find( '.' + $( this ).parent().attr( 'rel' ) ).show();
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context.$tabs.find( 'div' ).removeClass( 'current' );
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$( this ).parent().addClass( 'current' );
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$( this ).trigger( 'blur' );
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if ( 'init' in options && typeof options.init === 'function' ) {
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options.init( context );
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}
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event.preventDefault();
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return false;
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}
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} )
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.text( $.wikiEditor.autoMsg( options, 'title' ) )
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)
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.appendTo( context.$tabs );
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}
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// Automatically add the previously not-needed wikitext tab
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if ( !context.$tabs.children().length ) {
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addTab( { name: 'wikitext', titleMsg: 'wikieditor-wikitext-tab' } );
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}
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// Add the tab for the view we were actually asked to add
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addTab( options );
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// Return newly appended view
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return $( '<div>' )
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.addClass( 'wikiEditor-ui-view wikiEditor-ui-view-' + options.name )
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.hide()
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.appendTo( context.$ui );
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},
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/**
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* Save text selection
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*/
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saveSelection: function () {
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context.$textarea.trigger( 'focus' );
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context.savedSelection = {
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selectionStart: context.$textarea[ 0 ].selectionStart,
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selectionEnd: context.$textarea[ 0 ].selectionEnd
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};
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},
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/**
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* Restore text selection
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*/
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restoreSelection: function () {
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if ( context.savedSelection ) {
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context.$textarea.trigger( 'focus' );
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context.$textarea[ 0 ].setSelectionRange( context.savedSelection.selectionStart, context.savedSelection.selectionEnd );
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context.savedSelection = null;
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}
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}
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};
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/**
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* Base UI Construction
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*
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* The UI is built from several containers, the outer-most being a div classed as "wikiEditor-ui". These containers
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* provide a certain amount of "free" layout, but in some situations procedural layout is needed, which is performed
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* as a response to the "resize" event.
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*/
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// Assemble a temporary div to place over the wikiEditor while it's being constructed
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/* Disabling our loading div for now
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var $loader = $( '<div>' )
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.addClass( 'wikiEditor-ui-loading' )
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.append( $( '<span>' + mw.msg( 'wikieditor-loading' ) + '</span>' )
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.css( 'marginTop', context.$textarea.height() / 2 ) );
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*/
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/* Preserving cursor and focus state, which will get lost due to wrapAll */
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hasFocus = context.$textarea.is( ':focus' );
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cursorPos = context.$textarea.textSelection( 'getCaretPosition', { startAndEnd: true } );
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// Encapsulate the textarea with some containers for layout
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context.$textarea
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/* Disabling our loading div for now
|
|
.after( $loader )
|
|
.add( $loader )
|
|
*/
|
|
.wrapAll( $( '<div>' ).addClass( 'wikiEditor-ui' ) )
|
|
.wrapAll( $( '<div>' ).addClass( 'wikiEditor-ui-view wikiEditor-ui-view-wikitext' ) )
|
|
.wrapAll( $( '<div>' ).addClass( 'wikiEditor-ui-left' ) )
|
|
.wrapAll( $( '<div>' ).addClass( 'wikiEditor-ui-bottom' ) )
|
|
.wrapAll( $( '<div>' ).addClass( 'wikiEditor-ui-text' ) );
|
|
// Restore scroll position after this wrapAll (tracked by mediawiki.action.edit)
|
|
context.$textarea.prop( 'scrollTop', $( '#wpScrolltop' ).val() );
|
|
// Restore focus and cursor if needed
|
|
if ( hasFocus ) {
|
|
context.$textarea.trigger( 'focus' );
|
|
context.$textarea.textSelection( 'setSelection', { start: cursorPos[ 0 ], end: cursorPos[ 1 ] } );
|
|
}
|
|
|
|
// Get references to some of the newly created containers
|
|
context.$ui = context.$textarea.parent().parent().parent().parent().parent();
|
|
context.$wikitext = context.$textarea.parent().parent().parent().parent();
|
|
// Add in tab and button containers
|
|
context.$wikitext
|
|
.before(
|
|
$( '<div>' ).addClass( 'wikiEditor-ui-controls' )
|
|
.append( $( '<div>' ).addClass( 'wikiEditor-ui-tabs' ).hide() )
|
|
.append( $( '<div>' ).addClass( 'wikiEditor-ui-buttons' ) )
|
|
)
|
|
.before( $( '<div>' ).addClass( 'wikiEditor-ui-clear' ) );
|
|
// Get references to some of the newly created containers
|
|
context.$controls = context.$ui.find( '.wikiEditor-ui-buttons' ).hide();
|
|
context.$buttons = context.$ui.find( '.wikiEditor-ui-buttons' );
|
|
context.$tabs = context.$ui.find( '.wikiEditor-ui-tabs' );
|
|
// Clear all floating after the UI
|
|
context.$ui.after( $( '<div>' ).addClass( 'wikiEditor-ui-clear' ) );
|
|
// Attach a right container
|
|
context.$wikitext.append( $( '<div>' ).addClass( 'wikiEditor-ui-right' ) );
|
|
context.$wikitext.append( $( '<div>' ).addClass( 'wikiEditor-ui-clear' ) );
|
|
// Attach a top container to the left pane
|
|
context.$wikitext.find( '.wikiEditor-ui-left' ).prepend( $( '<div>' ).addClass( 'wikiEditor-ui-top' ) );
|
|
// Setup the initial view
|
|
context.view = 'wikitext';
|
|
// Trigger the "resize" event anytime the window is resized
|
|
$( window ).on( 'resize', function ( event ) {
|
|
context.fn.trigger( 'resize', event );
|
|
} );
|
|
}
|
|
|
|
/* API Execution */
|
|
|
|
// Since javascript gives arguments as an object, we need to convert them so they can be used more easily
|
|
args = $.makeArray( arguments );
|
|
|
|
// Dynamically setup core extensions for modules that are required
|
|
if ( args[ 0 ] === 'addModule' && typeof args[ 1 ] !== 'undefined' ) {
|
|
modules = args[ 1 ];
|
|
if ( typeof modules !== 'object' ) {
|
|
modules = {};
|
|
modules[ args[ 1 ] ] = '';
|
|
}
|
|
for ( module in modules ) {
|
|
if ( module in $.wikiEditor.modules ) {
|
|
// Activate all required core extensions on context
|
|
for ( extension in $.wikiEditor.extensions ) {
|
|
if (
|
|
$.wikiEditor.isRequired( $.wikiEditor.modules[ module ], extension ) &&
|
|
context.extensions.indexOf( extension ) === -1
|
|
) {
|
|
context.extensions[ context.extensions.length ] = extension;
|
|
$.wikiEditor.extensions[ extension ]( context );
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// There would need to be some arguments if the API is being called
|
|
if ( args.length > 0 ) {
|
|
// Handle API calls
|
|
call = args.shift();
|
|
if ( call in context.api ) {
|
|
context.api[ call ]( context, typeof args[ 0 ] === 'undefined' ? {} : args[ 0 ] );
|
|
}
|
|
}
|
|
|
|
// Store the context for next time, and support chaining
|
|
return $( this ).data( 'wikiEditor-context', context );
|
|
|
|
};
|
|
|
|
}() );
|