wikimedia/mediawiki-extensions-VisualEditor
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Specify (but do not implement) the context parameter to toDataElement()

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This allows the converter to provide the node handlers with context
information, which hybrid nodes (such as alien and meta) need to decide
which shape to take.

Change-Id: I36860bee560a38ee39a149109be3706e39258edc
This commit is contained in:
Catrope 2013-01-24 20:01:37 -08:00
parent 48bf0fbaab
commit ac6c9b2418
1 changed files with 24 additions and 2 deletions
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26
modules/ve/dm/ve.dm.Node.js
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@ -92,6 +92,22 @@ ve.dm.Node.static.matchFunction = null;
* This function is only called if this node "won" the matching for the DOM element, so domElement
* will match this node's matching rule.
*
* This function is allowed to return a content element when context indicates that a non-content
* element is expected or vice versa. If that happens, the converter deals with it in the following way:
*
* - if a non-content element is expected but a content element is returned:
* - open a wrapper paragraph
* - put the returned element in the wrapper
* - if a content element is expected but a non-content element is returned:
* - if we are in a wrapper paragraph:
* - if we can close the wrapper:
* - close the wrapper
* - insert the returned element right after the end of the wrapper
* - if we can't close the wrapper:
* - alienate the element
* - if we aren't in a wrapper paragraph:
* - alienate the element
*
* The returned linear model element must have a type property set to a registered node name
* (usually the node's .static.name, but that's not required). It may optionally have an attributes
* property set to an object with key-value pairs. Any other properties are not allowed.
@ -99,9 +115,15 @@ ve.dm.Node.static.matchFunction = null;
* @static
* @method
* @param {HTMLElement} domElement DOM element to convert
* @returns {Object} Linear model element
* @param {Object} context Object describing the current state of the converter
* @param {boolean} context.expectingContent Whether this function is expected to return a content element
* @param {boolean} context.inWrapper Whether this element is in a wrapper paragraph generated by the converter;
* can only be true if context.expectingContent is also true
* @param {boolean} context.canCloseWrapper Whether the current wrapper paragraph can be closed;
* can only be true if context.inWrapper is also true
* @returns {Object|null} Linear model element, or null to alienate
*/
ve.dm.Node.static.toDataElement = function ( /*domElement*/ ) {
ve.dm.Node.static.toDataElement = function ( /*domElement, context*/ ) {
throw new Error( 've.dm.Node subclass must implement toDataElement' );
};