mediawiki-extensions-Visual.../modules/ve2/dm/ve.dm.Surface.js
Rob Moen 8db70ed263 Annotation buttons now working
Created new document method to determine if a specific annotation
object is inside an annotation array.

Change-Id: Id645929cbf31030b8b0fcacb8dfb36e61aaad129
2012-06-06 17:06:37 -07:00

99 lines
2.2 KiB
JavaScript

/**
* DataModel surface.
*
* @class
* @constructor
* @extends {ve.EventEmitter}
* @param {ve.dm.Document} doc Document model to create surface for
*/
ve.dm.Surface = function( doc ) {
// Inheritance
ve.EventEmitter.call( this );
// Properties
this.documentModel = doc;
this.selection = null;
this.bigStack = []; // NOTE: HistoryButtonTool depends on bigStack
};
/**
* Gets the document model of the surface.
*
* @method
* @returns {ve.dm.DocumentNode} Document model of the surface
*/
ve.dm.Surface.prototype.getDocument = function() {
return this.documentModel;
};
/**
* Gets the selection
*
* @method
* @returns {ve.Range} Current selection
*/
ve.dm.Surface.prototype.getSelection = function() {
return this.selection;
};
/**
* Sets the selection
*
* @method
* @param {ve.Range} selection
*/
ve.dm.Surface.prototype.setSelection = function( selection ) {
selection.normalize();
if (
( !this.selection ) ||
( !this.selection.equals ( selection ) )
)
{
this.selection = selection;
}
this.emit ('select', this.selection.clone() );
};
/**
* Applies a series of transactions to the content data.
*
* @method
* @param {ve.dm.Transaction} transactions Tranasction to apply to the document
*/
ve.dm.Surface.prototype.transact = function( transaction ) {
ve.dm.TransactionProcessor.commit( this.getDocument(), transaction );
this.emit( 'transact', transaction );
};
/**
* Applies an annotation to the current selection
*
* @method
* @param {String} annotation action: toggle, clear, set
* @param {Object} annotation object to apply.
*/
ve.dm.Surface.prototype.annotate = function( method, annotation ) {
var selection = this.getSelection();
if ( method === 'toggle' ) {
var annotations = this.getDocument().getAnnotationsFromRange( selection );
if ( annotation in annotations ) {
method = 'clear';
} else {
method = 'set';
}
}
if ( this.selection.getLength() ) {
var tx = ve.dm.Transaction.newFromAnnotation(
this.getDocument(), selection, method, annotation
);
this.transact( tx );
// emit selection for dev purposes
this.setSelection ( selection );
}
};
/* Inheritance */
ve.extendClass( ve.dm.Surface, ve.EventEmitter );