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* VisualEditor UserInterface LinkAction class.
*
* @copyright See AUTHORS.txt
*/
/**
* Link action.
* This action transforms or inspects links (or potential links).
*
* @class
* @extends ve.ui.Action
* @constructor
* @param {ve.ui.Surface} surface Surface to act on
* @param {string} [source]
*/
ve.ui.LinkAction = function VeUiLinkAction() {
// Parent constructor
ve.ui.LinkAction.super.apply( this, arguments );
};
/* Inheritance */
OO.inheritClass( ve.ui.LinkAction, ve.ui.Action );
/* Static Properties */
ve.ui.LinkAction.static.name = 'link';
/**
* RegExp matching an autolink + trailing space.
*
* @property {RegExp}
* @private
*/
ve.ui.LinkAction.static.autolinkRegExp = null; // Initialized below.
ve.ui.LinkAction.static.methods = [ 'autolinkUrl' ];
/* Methods */
/**
* Autolink the selected URL (which may have trailing whitespace).
*
* @return {boolean}
* True if the selection is a valid URL and the autolink action was
* executed; otherwise false.
*/
ve.ui.LinkAction.prototype.autolinkUrl = function () {
return this.autolink( function ( linktext ) {
// Make sure we still have a real URL after trail removal, and not
// a bare protocol (or no protocol at all, if we stripped the last
// colon from the protocol)
return ve.ui.LinkAction.static.autolinkRegExp.test( linktext );
} );
};
/**
* Autolink the selection, which may have trailing whitespace.
*
* @private
* @param {Function} validateFunc
* A function used to validate the given linktext.
* @param {string} validateFunc.linktext
* Linktext with trailing whitespace and punctuation stripped.
* @param {boolean} validateFunc.return
* True iff the given linktext is valid. If false, no linking will be done.
* @param {Function} [txFunc]
* An optional function to create a transaction to perform the autolink.
* If not provided, a transaction will be created which applies the
* annotations returned by {@link ve.ui.LinkAction#getLinkAnnotation}.
* @param {ve.dm.Document} txFunc.documentModel
* The document model to modify.
* @param {ve.Range} txFunc.range
* The range to autolink.
* @param {string} txFunc.linktext
* The text string to autolink.
* @param {ve.dm.Transaction} txFunc.return
* The transaction to perform the autolink operation.
* @return {boolean} Selection was valid and link action was executed.
*/
ve.ui.LinkAction.prototype.autolink = function ( validateFunc, txFunc ) {
var surfaceModel = this.surface.getModel(),
selection = surfaceModel.getSelection();
Iif ( !( selection instanceof ve.dm.LinearSelection ) ) {
return false;
}
function isLinkAnnotation( annotation ) {
return /^link/.test( annotation.name );
}
var range = selection.getRange();
var rangeEnd = range.end;
var documentModel = surfaceModel.getDocument();
var linktext = documentModel.data.getText( true, range );
// Eliminate trailing whitespace.
linktext = linktext.replace( /\s+$/, '' );
// Eliminate trailing punctuation.
linktext = linktext.replace( this.getTrailingPunctuation( linktext ), '' );
// Validate the stripped text.
if ( !validateFunc( linktext ) ) {
// Don't autolink this.
return false;
}
// Shrink range to match new linktext.
range = range.truncate( linktext.length );
// If there are word characters (but not punctuation) immediately past the range, don't autolink.
// The user did something silly like type a link in the middle of a word.
if (
range.end + 1 < documentModel.data.getLength() &&
/\w/.test( documentModel.data.getText( true, new ve.Range( range.end, range.end + 1 ) ) )
) {
return false;
}
// Check that none of the range has an existing link annotation.
// Otherwise we could autolink an internal link, which would be ungood.
for ( var i = range.start; i < range.end; i++ ) {
Iif ( documentModel.data.getAnnotationsFromOffset( i ).containsMatching( isLinkAnnotation ) ) {
// Don't autolink this.
return false;
}
}
// Make sure `undo` doesn't expose the selected linktext.
surfaceModel.setLinearSelection( new ve.Range( rangeEnd ) );
// Annotate the (previous) range.
Iif ( txFunc ) {
// TODO: Change this API so that 'txFunc' is given a surface fragment
// as an argument, and uses the fragment to directly edit the document.
surfaceModel.change( txFunc( documentModel, range, linktext ) );
} else {
surfaceModel.getLinearFragment( range, true ).annotateContent( 'set', this.getLinkAnnotation( linktext ) );
}
return true;
};
/**
* Return an appropriate "trailing punctuation" set, which will
* get stripped from possible autolinks.
*
* @param {string} candidate
* The candidate text. Some users may not wish to include closing
* brackets/braces/parentheses in the stripped character class if an
* opening bracket/brace/parenthesis in present in the candidate link
* text.
* @return {RegExp}
* A regular expression matching trailing punctuation which will be
* stripped from an autolink.
*/
ve.ui.LinkAction.prototype.getTrailingPunctuation = function () {
return /[,;.:!?)\]}"'”’»]+$/;
};
/**
* Return an appropriate annotation for the given link text.
*
* @param {string} linktext The link text to annotate.
* @return {ve.dm.LinkAnnotation} The annotation to use.
*/
ve.ui.LinkAction.prototype.getLinkAnnotation = function ( linktext ) {
return new ve.dm.LinkAnnotation( {
type: 'link',
attributes: {
href: linktext
}
} );
};
/* Registration */
ve.ui.actionFactory.register( ve.ui.LinkAction );
// Delayed initialization (wait until ve.init.platform exists)
ve.init.Platform.static.initializedPromise.then( function () {
ve.ui.LinkAction.static.autolinkRegExp =
// eslint-disable-next-line security/detect-non-literal-regexp
new RegExp(
'\\b' + ve.init.platform.getUnanchoredExternalLinkUrlProtocolsRegExp().source + '\\S+$',
'i'
);
ve.ui.sequenceRegistry.register(
new ve.ui.Sequence(
'autolinkUrl', 'autolinkUrl', ve.ui.LinkAction.static.autolinkRegExp, 0,
{
setSelection: true,
delayed: true
}
)
);
} );
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