mediawiki-extensions-Visual.../modules/ve/ui/widgets/ve.ui.MWCategoryInputWidget.js

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/*!
* VisualEditor UserInterface MWCategoryInputWidget class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/*global mw*/
/**
* Creates an ve.ui.MWCategoryInputWidget object.
*
* @class
* @extends ve.ui.InputWidget
* @mixins ve.ui.PendingInputWidget
* @mixins ve.ui.LookupInputWidget
*
* @constructor
* @param {Object} [config] Config options
*/
ve.ui.MWCategoryInputWidget = function VeUiMWCategoryInputWidget( categoryWidget, config ) {
// Config intialization
config = ve.extendObject( {
'placeholder': ve.msg( 'visualeditor-category-input-placeholder' )
}, config );
// Parent constructor
ve.ui.InputWidget.call( this, config );
// Mixin constructors
ve.ui.PendingInputWidget.call( this );
ve.ui.LookupInputWidget.call( this, this, config );
// Properties
this.categoryWidget = categoryWidget;
this.forceCapitalization = mw.config.get( 'wgCaseSensitiveNamespaces' ).indexOf( 14 ) === -1;
this.categoryPrefix = 'Category:';
// Initialization
this.$.addClass( 've-ui-mwCategoryInputWidget' );
this.lookupMenu.$.addClass( 've-ui-mwCategoryInputWidget-menu' );
};
/* Inheritance */
ve.inheritClass( ve.ui.MWCategoryInputWidget, ve.ui.InputWidget );
ve.mixinClass( ve.ui.MWCategoryInputWidget, ve.ui.PendingInputWidget );
ve.mixinClass( ve.ui.MWCategoryInputWidget, ve.ui.LookupInputWidget );
/* Static Properties */
ve.ui.MWCategoryInputWidget.static.inputType = 'text';
/* Methods */
/**
* Gets a new request object of the current lookup query value.
*
* @method
* @returns {jQuery.Deferred} Deferred object with success and fail handlers already attached
*/
ve.ui.MWCategoryInputWidget.prototype.getLookupRequest = function () {
return $.ajax( {
'url': mw.util.wikiScript( 'api' ),
'data': {
'format': 'json',
'action': 'opensearch',
'search': this.categoryPrefix + this.value,
'suggest': ''
},
'dataType': 'json'
} );
};
/**
* Get lookup cache item from server response data.
*
* @method
* @param {Mixed} data Response from server
*/
ve.ui.MWCategoryInputWidget.prototype.getLookupCacheItemFromData = function ( data ) {
return ve.isArray( data ) && data.length ?
data[1].map( ve.bind( function ( item ) {
return item.replace( new RegExp( this.categoryPrefix, 'gi' ), '' );
}, this ) ) :
[];
};
/**
* Get list of menu items from a server response.
*
* @param {Object} data Query result
* @returns {ve.ui.MenuItemWidget[]} Menu items
*/
ve.ui.MWCategoryInputWidget.prototype.getLookupMenuItemsFromData = function ( data ) {
var i, len, item,
exactMatch = false,
newCategoryItems = [],
existingCategoryItems = [],
matchingCategoryItems = [],
items = [],
menu$$ = this.lookupMenu.$$,
category = this.getCategoryItemFromValue( this.value ),
existingCategories = this.categoryWidget.getCategories(),
matchingCategories = data || [],
pattern = new RegExp( '^' + category.value );
// Existing categories
for ( i = 0, len = existingCategories.length; i < len; i++ ) {
item = existingCategories[i];
if ( item.match( pattern ) ) {
if ( item === category.value ) {
exactMatch = true;
}
existingCategoryItems.push( item );
}
}
// Matching categories
for ( i = 0, len = matchingCategories.length; i < len; i++ ) {
item = matchingCategories[i];
if (
existingCategoryItems.indexOf( item ) === -1 &&
item.match( pattern )
) {
if ( item === category.value ) {
exactMatch = true;
}
matchingCategoryItems.push( item );
}
}
// New category
if ( !exactMatch ) {
newCategoryItems.push( category.value );
}
// Add sections for non-empty groups
if ( newCategoryItems.length ) {
items.push( new ve.ui.MenuSectionItemWidget(
'newCategory', { '$$': menu$$, 'label': 'New category' }
) );
for ( i = 0, len = newCategoryItems.length; i < len; i++ ) {
item = newCategoryItems[i];
items.push( new ve.ui.MenuItemWidget( item, { '$$': menu$$, 'label': item } ) );
}
}
if ( existingCategoryItems.length ) {
items.push( new ve.ui.MenuSectionItemWidget(
'inArticle', { '$$': menu$$, 'label': 'Move this category here' }
) );
for ( i = 0, len = existingCategoryItems.length; i < len; i++ ) {
item = existingCategoryItems[i];
items.push( new ve.ui.MenuItemWidget( item, { '$$': menu$$, 'label': item } ) );
}
}
if ( matchingCategoryItems.length ) {
items.push( new ve.ui.MenuSectionItemWidget(
'matchingCategories', { '$$': menu$$, 'label': 'Matching categories' }
) );
for ( i = 0, len = matchingCategories.length; i < len; i++ ) {
item = matchingCategories[i];
items.push( new ve.ui.MenuItemWidget( item, { '$$': menu$$, 'label': item } ) );
}
}
return items;
};
/**
* Get a category item.
*
* @method
* @param {string} value Category name
* @returns {Object} Category item with name, value and metaItem properties
*/
ve.ui.MWCategoryInputWidget.prototype.getCategoryItemFromValue = function ( value ) {
var title;
// Normalize
try {
title = new mw.Title( this.categoryPrefix + value );
return {
'name': title.getPrefixedText(),
'value': title.getNameText(),
'metaItem': {}
};
} catch ( e ) { }
if ( this.forceCapitalization ) {
value = value.substr( 0, 1 ).toUpperCase() + value.substr( 1 );
}
return { 'name': this.categoryPrefix + value, 'value': value, 'metaItem': {} };
};