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* VisualEditor ContentEditable Node class.
*
* @copyright See AUTHORS.txt
*/
/**
* Generic ContentEditable node.
*
* @abstract
* @extends ve.ce.View
* @mixins ve.Node
*
* @constructor
* @param {ve.dm.Node} model Model to observe
* @param {Object} [config] Configuration options
*/
ve.ce.Node = function VeCeNode() {
// Parent constructor
ve.ce.Node.super.apply( this, arguments );
// Mixin constructor
ve.Node.call( this );
};
/* Inheritance */
OO.inheritClass( ve.ce.Node, ve.ce.View );
OO.mixinClass( ve.ce.Node, ve.Node );
/* Static Members */
/**
* Whether Enter splits this node type.
*
* When the user presses Enter, we split the node they're in (if splittable), then split its parent
* if splittable, and continue traversing up the tree and stop at the first non-splittable node.
*
* @static
* @property {boolean}
* @inheritable
*/
ve.ce.Node.static.splitOnEnter = false;
/**
* Whether Enter removes the empty last child of this node.
*
* Set true on the parent of a splitOnEnter node (e.g. a ListNode) to ensure that the last splittable
* child (e.g a ListItemNode) is removed when empty and enter is pressed.
*
* @static
* @property {boolean}
* @inheritable
*/
ve.ce.Node.static.removeEmptyLastChildOnEnter = false;
/**
* Whether a node supports multiline input at all.
*
* If set to false, pressing Enter will not perform any splitting at all. If set to null, traverse
* up the tree until a boolean value is found.
*
* @static
* @property {boolean|null}
* @inheritable
*/
ve.ce.Node.static.isMultiline = null;
/**
* Whether a node can take the cursor when its surface is focused
*
* When set to false, this will prevent the selection from being placed in
* any of the node's descendant ContentBranchNodes.
*
* @static
* @property {boolean}
* @inheritable
*/
ve.ce.Node.static.autoFocus = true;
/**
* Whether a node traps the cursor when active, e.g. in table cells
*
* @static
* @property {boolean}
* @inheritable
*/
ve.ce.Node.static.trapsCursor = false;
/* Static Methods */
/**
* Get a plain text description.
*
* @static
* @inheritable
* @param {ve.dm.Node} node Node model
* @return {string} Description of node
*/
ve.ce.Node.static.getDescription = function () {
return '';
};
/* Methods */
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.getChildNodeTypes = function () {
return this.model.getChildNodeTypes();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.getParentNodeTypes = function () {
return this.model.getParentNodeTypes();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.getSuggestedParentNodeTypes = function () {
return this.model.getSuggestedParentNodeTypes();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.canHaveChildren = function () {
return this.model.canHaveChildren();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.canHaveChildrenNotContent = function () {
return this.model.canHaveChildrenNotContent();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isInternal = function () {
return this.model.isInternal();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isMetaData = function () {
return this.model.isMetaData();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isWrapped = function () {
return this.model.isWrapped();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isUnwrappable = function () {
return this.model.isUnwrappable();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.canContainContent = function () {
return this.model.canContainContent();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isContent = function () {
return this.model.isContent();
};
/**
* @inheritdoc ve.Node
*
* If this is set to true it should implement:
*
* setFocused( boolean val )
* boolean isFocused()
*/
ve.ce.Node.prototype.isFocusable = function () {
return this.model.isFocusable();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isAlignable = function () {
return this.model.isAlignable();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isCellable = function () {
return this.model.isCellable();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.isCellEditable = function () {
return this.model.isCellEditable();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.hasSignificantWhitespace = function () {
return this.model.hasSignificantWhitespace();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.handlesOwnChildren = function () {
return this.model.handlesOwnChildren();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.shouldIgnoreChildren = function () {
return this.model.shouldIgnoreChildren();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.getLength = function () {
return this.model.getLength();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.getOuterLength = function () {
return this.model.getOuterLength();
};
/**
* @inheritdoc ve.Node
*/
ve.ce.Node.prototype.getOffset = function () {
return this.model.getOffset();
};
/**
* Check if the node can be split.
*
* @return {boolean} Node can be split
*/
ve.ce.Node.prototype.splitOnEnter = function () {
return this.constructor.static.splitOnEnter;
};
/**
* Check if the node removes its empty last child on 'enter'.
*
* @return {boolean} Node removes empty last child on 'enter'
*/
ve.ce.Node.prototype.removeEmptyLastChildOnEnter = function () {
return this.constructor.static.removeEmptyLastChildOnEnter;
};
/**
* Check if the node is supports multiline input.
*
* Traverses upstream until a boolean value is found. If no value
* is found, reads the default from the surface.
*
* @return {boolean} Node supports multiline input
*/
ve.ce.Node.prototype.isMultiline = function () {
var booleanNode = this.traverseUpstream( function ( node ) {
return node.constructor.static.isMultiline === null;
} );
Iif ( booleanNode ) {
return booleanNode.constructor.static.isMultiline;
} else {
return !this.root || this.getRoot().getSurface().getSurface().isMultiline();
}
};
/**
* Check if the node can take the cursor when its surface is focused
*
* @return {boolean} Node can be take the cursor
*/
ve.ce.Node.prototype.autoFocus = function () {
return this.constructor.static.autoFocus;
};
/**
* Check if the node traps cursor when active
*
* @return {boolean} Node traps cursor
*/
ve.ce.Node.prototype.trapsCursor = function () {
return this.constructor.static.trapsCursor;
};
/**
* Release all memory.
*/
ve.ce.Node.prototype.destroy = function () {
this.parent = null;
this.root = null;
this.doc = null;
// Parent method
ve.ce.Node.super.prototype.destroy.call( this );
};
/**
* Get the model's HTML document
*
* @return {HTMLDocument} Model document
*/
ve.ce.Node.prototype.getModelHtmlDocument = function () {
return this.model.getDocument() && this.model.getDocument().getHtmlDocument();
};
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