mediawiki-extensions-Visual.../modules/ve-mw/ui/widgets/ve.ui.MWReferenceSearchWidget.js

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/*!
* VisualEditor UserInterface MWReferenceSearchWidget class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* Creates an ve.ui.MWReferenceSearchWidget object.
*
* @class
* @extends ve.ui.SearchWidget
*
* @constructor
* @param {ve.ui.Surface} [varname] [description]
* @param {Object} [config] Configuration options
*/
ve.ui.MWReferenceSearchWidget = function VeUiMWReferenceSearchWidget( surface, config ) {
// Configuration intialization
config = ve.extendObject( {
'placeholder': ve.msg( 'visualeditor-reference-input-placeholder' )
}, config );
// Parent constructor
ve.ui.SearchWidget.call( this, config );
// Properties
this.surface = surface;
this.index = [];
// Initialization
this.$.addClass( 've-ui-mwReferenceSearchWidget' );
};
/* Inheritance */
ve.inheritClass( ve.ui.MWReferenceSearchWidget, ve.ui.SearchWidget );
/* Events */
/**
* @event select
* @param {Object|string|null} data Reference node attributes, command string (e.g. 'create') or
* null if no item is selected
*/
/* Methods */
/**
* Handle query change events.
*
* @method
* @param {string} value New value
*/
ve.ui.MWReferenceSearchWidget.prototype.onQueryChange = function () {
// Parent method
ve.ui.SearchWidget.prototype.onQueryChange.call( this );
// Populate
this.addResults();
};
/**
* Handle select widget select events.
*
* @method
* @param {ve.ui.OptionWidget} item Selected item
* @emits select
*/
ve.ui.MWReferenceSearchWidget.prototype.onResultsSelect = function ( item ) {
var data;
if ( item ) {
data = item.getData();
// Resolve indexed values
if ( this.index[data] ) {
data = this.index[data].attributes;
}
} else {
data = null;
}
this.emit( 'select', data );
};
/**
* Build a serchable index of references.
*
* @method
*/
ve.ui.MWReferenceSearchWidget.prototype.buildIndex = function () {
var i, iLen, j, jLen, group, groupName, groupNames, view, text, attr, firstNodes, indexOrder,
refnode, matches, name, citation,
internalList = this.surface.getModel().getDocument().getInternalList(),
groups = internalList.getNodeGroups();
function extractAttrs() {
text += ' ' + $(this).attr( 'href' );
}
this.index = [];
groupNames = ve.getObjectKeys( groups ).sort();
for ( i = 0, iLen = groupNames.length; i < iLen; i++ ) {
groupName = groupNames[i];
if ( groupName.lastIndexOf( 'mwReference/' ) !== 0 ) {
continue;
}
group = groups[groupName];
firstNodes = group.firstNodes;
indexOrder = group.indexOrder;
for ( j = 0, jLen = indexOrder.length; j < jLen; j++ ) {
refnode = firstNodes[indexOrder[j]];
attr = ve.copy( refnode.getAttributes() );
view = new ve.ce.InternalItemNode( internalList.getItemNode( attr.listIndex ) );
// HACK: PHP parser doesn't wrap single lines in a paragraph
if ( view.$.children().length === 1 && view.$.children( 'p' ).length === 1 ) {
// unwrap inner
view.$.children().replaceWith( view.$.children().contents() );
}
citation = ( attr.refGroup.length ? attr.refGroup + ' ' : '' ) + ( j + 1 );
matches = attr.listKey.match( /^literal\/(.*)$/ );
name = matches && matches[1] || '';
// Make visible text, citation and reference name searchable
text = [ view.$.text().toLowerCase(), citation, name ].join( ' ' );
// Make URLs searchable
view.$.find( 'a[href]' ).each( extractAttrs );
this.index.push( {
'$': view.$.clone().show(),
'text': text,
'attributes': attr,
'citation': citation,
'name': name
} );
view.destroy();
}
}
// Re-populate
this.onQueryChange();
};
/**
* Handle media query response events.
*
* @method
*/
ve.ui.MWReferenceSearchWidget.prototype.addResults = function () {
var i, len, item, $citation, $name,
value = this.query.getValue(),
query = value.toLowerCase(),
items = [];
for ( i = 0, len = this.index.length; i < len; i++ ) {
item = this.index[i];
if ( item.text.indexOf( query ) >= 0 ) {
$citation = $( '<div>' )
.addClass( 've-ui-mwReferenceSearchWidget-citation' )
.text( '[' + item.citation + ']' );
$name = $( '<div>' )
.addClass( 've-ui-mwReferenceSearchWidget-name' )
.text( item.name );
items.push(
new ve.ui.MWReferenceResultWidget( i, {
'$$': this.$$, 'label': $citation.add( $name ).add( item.$ )
} )
);
}
}
this.results.addItems( items );
};