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* VisualEditor DataModel NodeFactory class.
*
* @copyright See AUTHORS.txt
*/
/**
* DataModel node factory.
*
* @class
* @extends ve.dm.ModelFactory
* @constructor
*/
ve.dm.NodeFactory = function VeDmNodeFactory() {
// Parent constructor
ve.dm.NodeFactory.super.call( this );
};
/* Inheritance */
OO.inheritClass( ve.dm.NodeFactory, ve.dm.ModelFactory );
/* Methods */
/**
* Get a document data element.
*
* @param {string} type Node type
* @param {Object} attributes Node attributes, defaults will be used where needed
* @return {Object} Data element
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.getDataElement = function ( type, attributes ) {
var element = { type: type };
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
attributes = ve.extendObject( {}, this.registry[ type ].static.defaultAttributes, attributes );
if ( !ve.isEmptyObject( attributes ) ) {
element.attributes = ve.copy( attributes );
}
return element;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Get allowed child node types for a node.
*
* @param {string} type Node type
* @return {string[]|null} List of node types allowed as children or null if any type is allowed
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.getChildNodeTypes = function ( type ) {
if ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.childNodeTypes;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Get allowed parent node types for a node.
*
* @param {string} type Node type
* @return {string[]|null} List of node types allowed as parents or null if any type is allowed
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.getParentNodeTypes = function ( type ) {
if ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.parentNodeTypes;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Get suggested parent node types for a node.
*
* @param {string} type Node type
* @return {string[]|null} List of node types suggested as parents or null if any type is suggested
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.getSuggestedParentNodeTypes = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.suggestedParentNodeTypes;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if a node can have children.
*
* @param {string} type Node type
* @return {boolean} The node can have children
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.canNodeHaveChildren = function ( type ) {
if ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
// If childNodeTypes is null any child is allowed, if it's an array of at least one element
// than at least one kind of node is allowed
var types = this.registry[ type ].static.childNodeTypes;
return types === null || ( Array.isArray( types ) && types.length > 0 );
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if a node can have children but not content nor be content.
*
* @param {string} type Node type
* @return {boolean} The node can have children but not content nor be content
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.canNodeHaveChildrenNotContent = function ( type ) {
if ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.canNodeHaveChildren( type ) &&
!this.registry[ type ].static.canContainContent &&
!this.registry[ type ].static.isContent;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if a node has a wrapped element in the document data.
*
* @param {string} type Node type
* @return {boolean} Whether the node has a wrapping element
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.isNodeWrapped = function ( type ) {
if ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.isWrapped;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if a node is unwrappable.
*
* @param {string} type Node type
* @return {boolean} Whether the node is unwrappable
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.isNodeUnwrappable = function ( type ) {
if ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.isNodeWrapped( type ) && this.registry[ type ].static.isUnwrappable;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if a node is a meta item element
*
* @param {string} type Node type
* @return {boolean} Whether the node is meta data
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.isMetaData = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.isMetaData;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if a given type of meta item is removable
*
* @param {string} type Meta item type
* @return {boolean} The type is removable
* @throws {Error} Unknown item type
*/
ve.dm.NodeFactory.prototype.isRemovableMetaData = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.removable;
}
throw new Error( 'Unknown item type: ' + type );
};
/**
* Check if a node can contain content.
*
* @param {string} type Node type
* @return {boolean} The node contains content
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.canNodeContainContent = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.canContainContent;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if node can take an annotation.
*
* @param {string} type Node type
* @param {ve.dm.Annotation} annotation Annotation to test
* @return {boolean} Node can take annotations of this type
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.canNodeTakeAnnotation = function ( type, annotation ) {
if ( !Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
throw new Error( 'Unknown node type: ' + type );
}
var disallowedList = this.registry[ type ].static.disallowedAnnotationTypes;
for ( var i = 0, len = disallowedList.length; i < len; i++ ) {
if ( annotation instanceof ve.dm.annotationFactory.lookup( disallowedList[ i ] ) ) {
return false;
}
}
return true;
};
/**
* Check if a node is content.
*
* @param {string} type Node type
* @return {boolean} The node is content
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.isNodeContent = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.isContent;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if a node can be serialized into a content position
*
* @param {string} type Node type
* @return {boolean} The node is content or can be round-tripped into a content position
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.canNodeSerializeAsContent = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.isContent ||
this.registry[ type ].static.canSerializeAsContent;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if the node is focusable.
*
* @param {string} type Node type
* @return {boolean} Whether the node is focusable
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.isNodeFocusable = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.isFocusable;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if the node has significant whitespace.
*
* Can only be true if canContainContent is also true.
*
* @param {string} type Node type
* @return {boolean} The node has significant whitespace
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.doesNodeHaveSignificantWhitespace = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.hasSignificantWhitespace;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if the node handles its own children.
*
* @param {string} type Node type
* @return {boolean} Whether the node handles its own children
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.doesNodeHandleOwnChildren = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.handlesOwnChildren;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if the node's children should be ignored.
*
* @param {string} type Node type
* @return {boolean} Whether the node's children should be ignored
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.shouldIgnoreChildren = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.ignoreChildren;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if the node is internal.
*
* @param {string} type Node type
* @return {boolean} Whether the node is internal
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.isNodeInternal = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.isInternal;
}
throw new Error( 'Unknown node type: ' + type );
};
/**
* Check if node is deletable.
*
* @param {string} type Node type
* @return {boolean} Whether the node is internal
* @throws {Error} Unknown node type
*/
ve.dm.NodeFactory.prototype.isNodeDeletable = function ( type ) {
Eif ( Object.prototype.hasOwnProperty.call( this.registry, type ) ) {
return this.registry[ type ].static.isDeletable;
}
throw new Error( 'Unknown node type: ' + type );
};
/* Initialization */
ve.dm.nodeFactory = new ve.dm.NodeFactory();
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