LinkTextField.js
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LinkTextField.js
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	/**
	* @class
	* @extends OO.ui.FieldLayout
	* @constructor
	*/
	function LinkTextField() {
	var input = new OO.ui.TextInputWidget( {
	placeholder: mw.msg( 'wikieditor-toolbar-tool-link-int-text-tooltip' )
	} );

	input.connect( this, {
	change: 'onInputChange'
	} );

	var config = {
	align: 'top',
	label: mw.msg( 'wikieditor-toolbar-tool-link-int-text' ),
	classes: [ 'mw-wikiEditor-InsertLink-LinkTextField' ]
	};
	LinkTextField.super.call( this, input, config );

	// Whether the user has changed the value
	// (as opposed to the value being changed automatically
	// because the link target field changed).
	this.touched = false;
	}

	OO.inheritClass( LinkTextField, OO.ui.FieldLayout );

	/**
	* Set the input's value.
	*
	* @param {string} val The new value.
	*/
	LinkTextField.prototype.setValueIfUntouched = function ( val ) {
	if ( !this.touched ) {
	this.getField().setValue( val );
	}
	};

	/**
	* @param {boolean} touched
	*/
	LinkTextField.prototype.setTouched = function ( touched ) {
	this.touched = touched;
	};

	/**
	* If this input is active when it's being changed,
	* set it as 'touched' so it won't change again if the title-lookup is changed.
	*/
	LinkTextField.prototype.onInputChange = function () {
	if ( $.contains( this.$element[ 0 ], document.activeElement ) ) {
	this.touched = true;
	}
	};

	module.exports = LinkTextField;