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* VisualEditor UserInterface ModeledFactory class.
*
* @copyright See AUTHORS.txt
*/
/**
* Mixin for factories whose items associate with specific models.
*
* Classes registered with the factory should have a static method named `isCompatibleWith` that
* accepts a model and returns a boolean.
*
* TODO: Create an abstract mixin that specifies which properties a "model" should have
*
* @class
*
* @constructor
*/
ve.ui.ModeledFactory = function VeUiModeledFactory() {};
/* Inheritance */
OO.initClass( ve.ui.ModeledFactory );
/* Methods */
/**
* Get a list of symbolic names for classes related to a list of models.
*
* The lowest compatible item in each inheritance chain will be used.
*
* Additionally if the model has other model names listed in a static.suppresses
* property, those will be hidden when that model is compatible.
*
* @param {Object[]} models Models to find relationships with
* @return {Object[]} List of objects containing `name` and `model` properties, representing
* each compatible class's symbolic name and the model it is compatible with
*/
ve.ui.ModeledFactory.prototype.getRelatedItems = function ( models ) {
var registry = this.registry;
/**
* Collect the most specific compatible classes for a model.
*
* @private
* @param {Object} m Model to find compatibility with
* @return {Function[]} List of compatible classes
*/
function collect( m ) {
var candidates = [];
for ( var n in registry ) {
var candidate = registry[ n ];
if ( candidate.static.isCompatibleWith( m ) ) {
var add = true;
for ( var k = 0, kLen = candidates.length; k < kLen; k++ ) {
Iif (
candidate.prototype instanceof candidates[ k ] ||
( candidate.static.suppresses && candidate.static.suppresses.indexOf( candidates[ k ].static.name ) !== -1 )
) {
candidates.splice( k, 1, candidate );
add = false;
break;
} else Iif (
candidates[ k ].prototype instanceof candidate ||
( candidates[ k ].static.suppresses && candidates[ k ].static.suppresses.indexOf( candidate.static.name ) !== -1 )
) {
add = false;
break;
}
}
Eif ( add ) {
candidates.push( candidate );
}
}
}
return candidates;
}
var names = {};
var matches = [];
// Collect compatible classes and the models they are specifically compatible with,
// discarding class's with duplicate symbolic names
for ( var i = 0, iLen = models.length; i < iLen; i++ ) {
var model = models[ i ];
var classes = collect( model );
for ( var j = 0, jLen = classes.length; j < jLen; j++ ) {
var name = classes[ j ].static.name;
Eif ( !names[ name ] ) {
matches.push( { name: name, model: model } );
}
names[ name ] = true;
}
}
return matches;
};
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