wikimedia/mediawiki-extensions-VisualEditor

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modules/ve-mw/ui/inspectors/ve.ui.MWLinkAnnotationInspector.js

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/*!
 * VisualEditor UserInterface LinkAnnotationInspector class.
 *
 * @copyright See AUTHORS.txt
 * @license The MIT License (MIT); see LICENSE.txt
 */

/**
 * Inspector for applying and editing labeled MediaWiki internal and external links.
 *
 * @class
 * @extends ve.ui.LinkAnnotationInspector
 *
 * @constructor
 * @param {Object} [config] Configuration options
 */
ve.ui.MWLinkAnnotationInspector = function VeUiMWLinkAnnotationInspector( config ) {
    // Parent constructor
    ve.ui.MWLinkAnnotationInspector.super.call( this, ve.extendObject( { padded: false }, config ) );

    this.$element.addClass( 've-ui-mwLinkAnnotationInspector' );
};

/* Inheritance */

OO.inheritClass( ve.ui.MWLinkAnnotationInspector, ve.ui.LinkAnnotationInspector );

/* Static properties */

ve.ui.MWLinkAnnotationInspector.static.name = 'link';

ve.ui.MWLinkAnnotationInspector.static.modelClasses = [
    ve.dm.MWExternalLinkAnnotation,
    ve.dm.MWInternalLinkAnnotation
];

ve.ui.MWLinkAnnotationInspector.static.actions = [
    ...ve.ui.MWLinkAnnotationInspector.static.actions,
    {
        action: 'convert',
        label: null, // see #updateActions
        modes: [ 'edit', 'insert' ]
    }
];

/* Methods */

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.initialize = function () {
    // Properties
    this.allowProtocolInInternal = false;
    this.internalAnnotationInput = this.createInternalAnnotationInput();
    this.externalAnnotationInput = this.createExternalAnnotationInput();

    this.linkTypeIndex = new OO.ui.IndexLayout( {
        expanded: false,
        framed: false
    } );

    this.linkTypeIndex.addTabPanels( [
        new OO.ui.TabPanelLayout( 'internal', {
            label: mw.config.get( 'wgSiteName' ),
            expanded: false,
            scrollable: false,
            padded: true
        } ),
        new OO.ui.TabPanelLayout( 'external', {
            label: ve.msg( 'visualeditor-linkinspector-button-link-external' ),
            expanded: false,
            scrollable: false,
            padded: true
        } )
    ] );

    // Parent method
    // Parent requires createAnnotationInput to be callable, but tries to move
    // inputs in the DOM, so call this before we restructure the DOM.
    ve.ui.MWLinkAnnotationInspector.super.prototype.initialize.call( this );

    this.internalAnnotationField = this.annotationField;
    this.externalAnnotationField = new OO.ui.FieldLayout(
        this.externalAnnotationInput,
        {
            align: 'top',
            label: ve.msg( 'visualeditor-linkinspector-title' )
        }
    );

    this.onExternalLinkInputChangeDebounced = ve.debounce( this.onExternalLinkInputChange, 750 );

    // Events
    this.linkTypeIndex.connect( this, { set: 'onLinkTypeIndexSet' } );
    this.labelInput.connect( this, { change: 'onLabelInputChange' } );
    this.internalAnnotationInput.connect( this, { change: 'onInternalLinkChange' } );
    this.externalAnnotationInput.connect( this, { change: 'onExternalLinkChange' } );
    this.internalAnnotationInput.input.getResults().connect( this, { choose: 'onFormSubmit' } );
    // Form submit only auto triggers on enter when there is one input
    this.internalAnnotationInput.getTextInputWidget().connect( this, {
        change: 'onInternalLinkInputChange',
        enter: 'onLinkInputEnter'
    } );
    this.externalAnnotationInput.getTextInputWidget().connect( this, {
        change: 'onExternalLinkInputChangeDebounced',
        enter: 'onLinkInputEnter'
    } );
    // this.internalAnnotationInput is already bound by parent class
    this.externalAnnotationInput.connect( this, { change: 'onAnnotationInputChange' } );

    this.internalAnnotationInput.input.results.connect( this, {
        add: 'onInternalLinkChangeResultsChange',
        // Listening to remove causes a flicker, and is not required
        // as 'add' is always trigger on a change too
        choose: 'onInternalLinkSearchResultsChoose'
    } );

    // Initialization
    // HACK: IndexLayout is absolutely positioned, so place actions inside it
    this.linkTypeIndex.$content.append( this.$otherActions );
    this.linkTypeIndex.getTabPanel( 'internal' ).$element.append( this.internalAnnotationField.$element );
    this.linkTypeIndex.getTabPanel( 'external' ).$element.append( this.externalAnnotationField.$element );
    // labelField gets moved between tabs when activated
    if ( OO.ui.isMobile() ) {
        this.linkTypeIndex.getTabPanel( 'internal' ).$element.prepend( this.labelField.$element );
    }
    this.form.$element.empty().append( this.linkTypeIndex.$element );
    if ( !OO.ui.isMobile() ) {
        this.externalAnnotationField.setLabel( null );
    }
};

/**
 * @return {ve.ui.MWInternalLinkAnnotationWidget}
 */
ve.ui.MWLinkAnnotationInspector.prototype.createInternalAnnotationInput = function () {
    return new ve.ui.MWInternalLinkAnnotationWidget();
};

/**
 * @return {ve.ui.MWExternalLinkAnnotationWidget}
 */
ve.ui.MWLinkAnnotationInspector.prototype.createExternalAnnotationInput = function () {
    return new ve.ui.MWExternalLinkAnnotationWidget();
};

/**
 * Check if the current input mode is for external links
 *
 * @return {boolean} Input mode is for external links
 */
ve.ui.MWLinkAnnotationInspector.prototype.isExternal = function () {
    return this.linkTypeIndex.getCurrentTabPanelName() === 'external';
};

/**
 * Handle change events on the label input
 *
 * @param {string} value
 */
ve.ui.MWLinkAnnotationInspector.prototype.onLabelInputChange = function () {
    if ( this.isActive && !this.trackedLabelInputChange ) {
        ve.track( 'activity.' + this.constructor.static.name, { action: 'label-input' } );
        this.trackedLabelInputChange = true;
    }
};

/**
 * Handle change events on the internal link widget
 *
 * @param {ve.dm.MWInternalLinkAnnotation} annotation
 */
ve.ui.MWLinkAnnotationInspector.prototype.onInternalLinkChange = function () {
    this.updateActions();
};

/**
 * Handle list change events ('add') from the interal link's result widget
 *
 * @param {OO.ui.OptionWidget[]} items Added items
 * @param {number} index Index of insertion point
 */
ve.ui.MWLinkAnnotationInspector.prototype.onInternalLinkChangeResultsChange = function () {
    this.updateSize();
};

/**
 * Handle choose events from the result widget
 *
 * @param {OO.ui.OptionWidget} item Chosen item
 */
ve.ui.MWLinkAnnotationInspector.prototype.onInternalLinkSearchResultsChoose = function () {
    ve.track( 'activity.' + this.constructor.static.name, { action: 'search-pages-choose' } );
};

/**
 * Handle change events on the external link widget
 *
 * @param {ve.dm.MWExternalLinkAnnotation} annotation
 */
ve.ui.MWLinkAnnotationInspector.prototype.onExternalLinkChange = function () {
    this.updateActions();
};

/**
 * Handle enter events on the external/internal link inputs
 *
 * @param {jQuery.Event} e Key press event
 */
ve.ui.MWLinkAnnotationInspector.prototype.onLinkInputEnter = function () {
    if ( this.annotationInput.getTextInputWidget().getValue().trim() === '' ) {
        this.executeAction( 'done' );
    }
    this.annotationInput.getTextInputWidget().getValidity()
        .done( () => {
            this.executeAction( 'done' );
        } );
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.updateActions = function () {
    let msg = null;

    ve.ui.MWLinkAnnotationInspector.super.prototype.updateActions.call( this );

    // show/hide convert action
    const content = this.fragment ? this.fragment.getText() : '';
    const annotation = this.annotationInput.getAnnotation();
    const href = annotation && annotation.getHref();
    if ( href && ve.dm.MWMagicLinkNode.static.validateHref( content, href ) ) {
        const type = ve.dm.MWMagicLinkType.static.fromContent( content ).type;
        msg = 'visualeditor-linkinspector-convert-link-' + type.toLowerCase();
    }

    // Once we toggle the visibility of the ActionWidget, we can't filter
    // it with `get` any more.  So we have to use `forEach`:
    this.actions.forEach( null, ( action ) => {
        if ( action.getAction() === 'convert' ) {
            if ( msg ) {
                // The following messages are used here:
                // * visualeditor-linkinspector-convert-link-isbn
                // * visualeditor-linkinspector-convert-link-pmid
                // * visualeditor-linkinspector-convert-link-rfc
                action.setLabel( OO.ui.deferMsg( msg ) );
                action.toggle( true );
            } else {
                action.toggle( false );
            }
        }
    } );
};

/**
 * Handle change events on the internal link widget's input
 *
 * @param {string} value Current value of input widget
 */
ve.ui.MWLinkAnnotationInspector.prototype.onInternalLinkInputChange = function ( value ) {
    // If this looks like an external link, switch to the correct tabPanel.
    // Note: We don't care here if it's a *valid* link, so we just
    // check whether it looks like a URI -- i.e. whether it starts with
    // something that appears to be a schema per RFC1630. Later the external
    // link inspector will use getExternalLinkUrlProtocolsRegExp for validity
    // checking.
    // Note 2: RFC1630 might be too broad in practice. You don't really see
    // schemas that use the full set of allowed characters, and we might get
    // more false positives by checking for them.
    // Note 3: We allow protocol-relative URIs here.
    if ( this.internalAnnotationInput.getTextInputWidget().getValue() !== value ) {
        return;
    }
    if ( this.isActive && !this.trackedInternalLinkInputChange && !this.switchingLinkTypes ) {
        ve.track( 'activity.' + this.constructor.static.name, { action: 'search-pages-input' } );
        this.trackedInternalLinkInputChange = true;
    }
    if (
        !this.allowProtocolInInternal &&
        ( /^(?:[a-z][a-z0-9$\-_@.&!*"'(),]*:)?\/\//i ).test( value.trim() )
    ) {
        this.linkTypeIndex.setTabPanel( 'external' );
        // Changing tabPanel focuses and selects the input, so collapse the cursor back to the end.
        this.externalAnnotationInput.getTextInputWidget().moveCursorToEnd();
    }

    this.internalAnnotationInput.getTextInputWidget().getValidity()
        .then(
            () => {
                this.internalAnnotationField.setErrors( [] );
                this.updateSize();
            }, () => {
                this.internalAnnotationField.setErrors( [ ve.msg( 'visualeditor-linkinspector-illegal-title' ) ] );
                this.updateSize();
            }
        );

};

/**
 * Handle change events on the external link widget's input
 *
 * @param {string} value Current value of input widget
 */
ve.ui.MWLinkAnnotationInspector.prototype.onExternalLinkInputChange = function () {
    this.externalAnnotationInput.getValidity().then(
        () => {
            // clear any invalid-protocol errors
            this.externalAnnotationField.setErrors( [] );
        }, ( errortype ) => {
            // Messages that can be used here:
            // * visualeditor-linkinspector-invalid-blocked
            // * visualeditor-linkinspector-invalid-external
            this.externalAnnotationField.setErrors( [ ve.msg( 'visualeditor-linkinspector-' + errortype ) ] );
            if ( errortype === 'invalid-blocked' ) {
                // This has been quite async, so:
                this.actions.forEach( { actions: [ 'done', 'insert' ] }, ( action ) => {
                    action.setDisabled( true );
                } );
                ve.track( 'activity.editCheckReliability', { action: 'link-blocked' } );
            }
        }
    ).always( () => {
        this.updateSize();
    } );

    if ( this.isActive && !this.trackedExternalLinkInputChange && !this.switchingLinkTypes ) {
        ve.track( 'activity.' + this.constructor.static.name, { action: 'external-link-input' } );
        this.trackedExternalLinkInputChange = true;
    }
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.createAnnotationInput = function () {
    return this.isExternal() ? this.externalAnnotationInput : this.internalAnnotationInput;
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.getSetupProcess = function ( data ) {
    return ve.ui.MWLinkAnnotationInspector.super.prototype.getSetupProcess.call( this, data )
        .next( () => {
            this.isReady = false;

            const isReadOnly = this.isReadOnly();
            this.linkTypeIndex.setTabPanel(
                this.initialAnnotation instanceof ve.dm.MWExternalLinkAnnotation ? 'external' : 'internal'
            );
            this.annotationInput.setAnnotation( this.initialAnnotation );
            this.internalAnnotationInput.setReadOnly( isReadOnly );
            this.externalAnnotationInput.setReadOnly( isReadOnly );

            this.trackedInternalLinkInputChange = false;
            this.trackedExternalLinkInputChange = false;
            this.isActive = true;
        } );
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.getReadyProcess = function ( data ) {
    return ve.ui.MWLinkAnnotationInspector.super.prototype.getReadyProcess.call( this, data )
        .next( () => {
            this.isReady = true;
            // Focus is skipped during setup. (T321026)
            this.annotationInput.getTextInputWidget().focus();
        } );
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.getActionProcess = function ( action ) {
    if ( action === 'convert' ) {
        return new OO.ui.Process( () => {
            this.close( { action: 'done', convert: true } );
        } );
    }
    return ve.ui.MWLinkAnnotationInspector.super.prototype.getActionProcess.call( this, action );
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.getTeardownProcess = function ( data ) {
    let fragment;
    return ve.ui.MWLinkAnnotationInspector.super.prototype.getTeardownProcess.call( this, data )
        .first( () => {
            // Save the original fragment for later.
            fragment = this.getFragment();

            this.isActive = false;
        } )
        .next( () => {
            const selection = fragment && fragment.getSelection();

            // Handle conversion to magic link.
            if ( data && data.convert && selection instanceof ve.dm.LinearSelection ) {
                const annotations = fragment.getDocument().data
                    .getAnnotationsFromRange( selection.getRange() )
                    // Remove link annotations
                    .filter( ( annotation ) => !/^link/.test( annotation.name ) );
                const linearData = new ve.dm.ElementLinearData( annotations.store, [
                    {
                        type: 'link/mwMagic',
                        attributes: {
                            content: fragment.getText()
                        }
                    },
                    {
                        type: '/link/mwMagic'
                    }
                ] );
                linearData.setAnnotationsAtOffset( 0, annotations );
                fragment.insertContent( linearData.getData(), true );
            }

            // Clear dialog state.
            this.allowProtocolInInternal = false;
            // Make sure both inputs are cleared
            this.internalAnnotationInput.setAnnotation( null );
            this.externalAnnotationInput.setAnnotation( null );
        } );
};

/**
 * Handle set events from the linkTypeIndex layout
 *
 * @param {OO.ui.TabPanelLayout} tabPanel Current tabPanel
 */
ve.ui.MWLinkAnnotationInspector.prototype.onLinkTypeIndexSet = function ( tabPanel ) {
    const text = this.annotationInput.getTextInputWidget().getValue(),
        end = text.length,
        isExternal = this.isExternal(),
        inputHasProtocol = ve.init.platform.getExternalLinkUrlProtocolsRegExp().test( text );

    this.switchingLinkTypes = true;

    this.annotationInput = isExternal ? this.externalAnnotationInput : this.internalAnnotationInput;

    if ( OO.ui.isMobile() ) {
        tabPanel.$element.prepend( this.labelField.$element );
    }

    this.updateSize();

    // If the user manually switches to internal links with an external link in the input, remember this
    if ( !isExternal && inputHasProtocol ) {
        this.allowProtocolInInternal = true;
    }

    this.annotationInput.getTextInputWidget().setValue( text );
    if ( this.isReady ) {
        // Focussing an element that isn't visible yet triggers a
        // bug in jQuery that prevents future focusses. (T321026)
        this.annotationInput.getTextInputWidget().focus();
    }
    // Select entire link when switching, for ease of replacing entire contents.
    // Most common case:
    // 1. Inspector opened, internal-link shown with the selected-word prefilled
    // 2. User clicks external link tab (unnecessary, because we'd auto-switch, but the user doesn't know that)
    // 3. User pastes a link, intending to replace the existing prefilled link
    this.annotationInput.getTextInputWidget().$input[ 0 ].setSelectionRange( 0, end );
    // Focusing a TextInputWidget normally unsets validity. However, because
    // we're kind of pretending this is the same input, just in a different
    // mode, it doesn't make sense to the user that the focus behavior occurs.
    this.annotationInput.getTextInputWidget().setValidityFlag();

    this.onAnnotationInputChange();

    if ( this.isActive ) {
        ve.track( 'activity.' + this.constructor.static.name, { action: 'panel-switch' } );
    }

    this.switchingLinkTypes = false;
};

/**
 * Gets an annotation object from a fragment.
 *
 * The type of link is automatically detected based on some crude heuristics.
 *
 * @param {ve.dm.SurfaceFragment} fragment Current selection
 * @return {ve.dm.MWInternalLinkAnnotation|ve.dm.MWExternalLinkAnnotation|null}
 */
ve.ui.MWLinkAnnotationInspector.prototype.getAnnotationFromFragment = function ( fragment ) {
    const target = fragment.getText(),
        title = mw.Title.newFromText( target );

    // Figure out if this is an internal or external link
    if ( ve.init.platform.getExternalLinkUrlProtocolsRegExp().test( target ) ) {
        // External link
        return this.newExternalLinkAnnotation( {
            type: 'link/mwExternal',
            attributes: {
                href: target
            }
        } );
    } else if ( title ) {
        // Internal link
        return this.newInternalLinkAnnotationFromTitle( title );
    } else {
        // Doesn't look like an external link and mw.Title considered it an illegal value,
        // for an internal link.
        return null;
    }
};

/**
 * @param {mw.Title} title The title to link to.
 * @return {ve.dm.MWInternalLinkAnnotation} The annotation.
 */
ve.ui.MWLinkAnnotationInspector.prototype.newInternalLinkAnnotationFromTitle = function ( title ) {
    return ve.dm.MWInternalLinkAnnotation.static.newFromTitle( title );
};

/**
 * @param {Object} element
 * @return {ve.dm.MWExternalLinkAnnotation} The annotation.
 */
ve.ui.MWLinkAnnotationInspector.prototype.newExternalLinkAnnotation = function ( element ) {
    return new ve.dm.MWExternalLinkAnnotation( element );
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.getInsertionText = function () {
    // Prefer user input, not normalized annotation, to preserve case
    const label = this.labelInput.getValue().trim();
    if ( label ) {
        return label;
    } else if ( this.isNew && this.isExternal() ) {
        return '';
    } else {
        return this.annotationInput.getTextInputWidget().getValue();
    }
};

/**
 * @inheritdoc
 */
ve.ui.MWLinkAnnotationInspector.prototype.getInsertionData = function () {
    // If this is a new external link with no label, insert an autonumbered link instead of a link annotation
    // (applying the annotation on this later does nothing because of disallowedAnnotationTypes).
    // Otherwise call parent method to figure out the text to insert and annotate.
    if ( this.isNew && this.isExternal() && !this.labelInput.getValue().trim() ) {
        return [
            {
                type: 'link/mwNumberedExternal',
                attributes: {
                    href: this.annotationInput.getHref()
                }
            },
            { type: '/link/mwNumberedExternal' }
        ];
    } else {
        return this.getInsertionText().split( '' );
    }
};

// #getInsertionText call annotationInput#getHref, which returns the link title,
// so no custmisation is needed.

/* Registration */

ve.ui.windowFactory.register( ve.ui.MWLinkAnnotationInspector );