' ).text( wikitext ) );
this.$saveDialogLoadingIcon.hide();
this.saveDialogReviewGoodButton.setDisabled( false );
};
/**
* Handle failed show changes event.
*
* @method
* @param {Object} jqXHR
* @param {string} status Text status message
*/
ve.init.mw.ViewPageTarget.prototype.onShowChangesError = function ( jqXHR, status ) {
alert( ve.msg( 'visualeditor-differror', status ) );
this.$saveDialogLoadingIcon.hide();
};
/**
* Called if a call to target.serialize() failed.
*
* @method
* @param {jqXHR|null} jqXHR
* @param {string} status Text status message
*/
ve.init.mw.ViewPageTarget.prototype.onSerializeError = function ( jqXHR, status ) {
alert( ve.msg( 'visualeditor-serializeerror', status ) );
this.$saveDialogLoadingIcon.hide();
};
/**
* Handle edit conflict event.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onEditConflict = function () {
this.$saveDialogLoadingIcon.hide();
this.swapSaveDialog( 'conflict' );
};
/**
* Handle failed show changes event.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onNoChanges = function () {
this.$saveDialogLoadingIcon.hide();
this.swapSaveDialog( 'nochanges' );
};
/**
* Handle clicks on the edit tab.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onEditTabClick = function ( e ) {
// Default mouse button is normalised by jQuery to key code 1.
// Only do our handling if no keys are pressed, mouse button is 1
// (e.g. not middle click or right click) and no modifier keys
// (e.g. cmd-click to open in new tab).
if ( ( e.which && e.which !== 1 ) || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) {
return;
}
this.logEvent( 'Edit', { action: 'edit-link-click' } );
this.activate();
// Prevent the edit tab's normal behavior
e.preventDefault();
};
/**
* Handle clicks on a section edit link.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onEditSectionLinkClick = function ( e ) {
if ( ( e.which && e.which !== 1 ) || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) {
return;
}
this.logEvent( 'Edit', { action: 'section-edit-link-click' } );
this.saveEditSection( $( e.target ).closest( 'h1, h2, h3, h4, h5, h6' ).get( 0 ) );
this.activate();
// Prevent the edit tab's normal behavior
e.preventDefault();
};
/**
* Handle clicks on the view tab.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onViewTabClick = function ( e ) {
if ( ( e.which && e.which !== 1 ) || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) {
return;
}
if ( this.active ) {
this.deactivate();
// Prevent the edit tab's normal behavior
e.preventDefault();
} else if ( this.activating ) {
this.deactivate( true );
this.activating = false;
e.preventDefault();
}
};
/**
* Handle clicks on the save button in the toolbar.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onToolbarSaveButtonClick = function () {
this.logEvent( 'Edit', { action: 'page-save-attempt' } );
if ( this.edited || this.restoring ) {
this.showSaveDialog();
}
};
/**
* Handle clicks on the save button in the toolbar.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onToolbarCancelButtonClick = function () {
this.deactivate();
};
/**
* Handle clicks on the MwMeta button in the toolbar.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onToolbarMwMetaButtonClick = function () {
this.surface.getDialogs().open( 'mwMeta' );
};
/**
* Handle clicks on the edit notices tool in the toolbar.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onToolbarEditNoticesToolClick = function () {
this.$toolbarEditNotices.fadeToggle( 'fast' );
this.$toolbarBetaNotice.fadeOut( 'fast' );
this.$document[0].focus();
};
/**
* Handle clicks on the beta notices tool in the toolbar.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onToolbarBetaNoticeToolClick = function () {
this.$toolbarBetaNotice.fadeToggle( 'fast' );
this.$toolbarEditNotices.fadeOut( 'fast' );
this.$document[0].focus();
};
/**
* Handle clicks on the feedback tool in the toolbar.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onToolbarFeedbackToolClick = function () {
this.$toolbarEditNotices.fadeOut( 'fast' );
if ( !this.feedback ) {
// This can't be constructed until the editor has loaded as it uses special messages
this.feedback = new mw.Feedback( {
'title': new mw.Title( ve.msg( 'visualeditor-feedback-link' ) ),
'bugsLink': new mw.Uri( 'https://bugzilla.wikimedia.org/enter_bug.cgi?product=VisualEditor&component=General' ),
'bugsListLink': new mw.Uri( 'https://bugzilla.wikimedia.org/buglist.cgi?query_format=advanced&resolution=---&resolution=LATER&resolution=DUPLICATE&product=VisualEditor&list_id=166234' )
} );
}
this.feedback.launch();
};
/**
* Handle the first transaction in the surface model.
*
* This handler is removed the first time it's used, but added each time the surface is set up.
*
* @method
* @param {ve.dm.Transaction} tx Processed transaction
*/
ve.init.mw.ViewPageTarget.prototype.onSurfaceModelTransact = function () {
// Clear the diff
this.$saveDialog
.find( '.ve-init-mw-viewPageTarget-saveDialog-slide-review .ve-init-mw-viewPageTarget-saveDialog-viewer' )
.empty();
this.surface.getModel().disconnect( this, { 'transact': 'onSurfaceModelTransact' } );
};
/**
* Handle history events in the surface model.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onSurfaceModelHistory = function () {
this.edited = this.surface.getModel().hasPastState();
// Disable the save button if we have no history
this.toolbarSaveButton.setDisabled( !this.edited && !this.restoring );
};
/**
* Handle clicks on the review button in the save dialog.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onSaveDialogReviewButtonClick = function () {
this.swapSaveDialog( 'review' );
};
/**
* Handle clicks on the save button in the save dialog.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onSaveDialogSaveButtonClick = function () {
var doc = this.surface.getModel().getDocument(),
saveOptions = this.getSaveOptions();
this.saveStart = +new Date();
if (
+mw.user.options.get( 'forceeditsummary' ) &&
saveOptions.summary === '' &&
!this.warnings.missingsummary
) {
this.showWarning( 'missingsummary', ve.init.platform.getParsedMessage( 'missingsummary' ) );
} else {
this.saveDialogSaveButton.setDisabled( true );
this.$saveDialogLoadingIcon.show();
this.save(
ve.dm.converter.getDomFromData( doc.getFullData(), doc.getStore(), doc.getInternalList() ),
saveOptions
);
}
};
/**
* Handle clicks on the review "Good" button in the save dialog.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onSaveDialogReviewGoodButtonClick = function () {
this.swapSaveDialog( 'save' );
};
/**
* Handle clicks on the resolve conflict button in the conflict dialog.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onSaveDialogResolveConflictButtonClick = function () {
var doc = this.surface.getModel().getDocument();
// Get Wikitext from the DOM, and set up a submit call when it's done
this.serialize(
ve.dm.converter.getDomFromData( doc.getFullData(), doc.getStore(), doc.getInternalList() ),
ve.bind( function ( wikitext ) {
this.submit( wikitext, this.getSaveOptions() );
}, this )
);
};
/**
* Get save options from the save dialog form.
*
* @method
* @returns {Object} Save options, including summary, minor and watch properties
*/
ve.init.mw.ViewPageTarget.prototype.getSaveOptions = function () {
return {
'summary': $( '#ve-init-mw-viewPageTarget-saveDialog-editSummary' ).val(),
'minor': $( '#ve-init-mw-viewPageTarget-saveDialog-minorEdit' ).prop( 'checked' ),
'watch': $( '#ve-init-mw-viewPageTarget-saveDialog-watchList' ).prop( 'checked' )
};
};
/**
* Handle clicks on the close button in the save dialog.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onSaveDialogCloseButtonClick = function () {
this.hideSaveDialog();
};
/**
* Handle clicks on the previous view button in the save dialog.
*
* @method
* @param {jQuery.Event} e Mouse click event
*/
ve.init.mw.ViewPageTarget.prototype.onSaveDialogPrevButtonClick = function () {
var history = this.saveDialogSlideHistory;
if ( history.length < 2 ) {
throw new Error( 'PrevButton was triggered without a history' );
}
// Pop off current slide
history.pop();
// Navigate to last slide
this.swapSaveDialog( history[ history.length -1 ], { fromHistory: true } );
};
/**
* Set up the list of edit notices.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setupToolbarEditNotices = function () {
var key;
this.$toolbarEditNotices.empty();
for ( key in this.editNotices ) {
this.$toolbarEditNotices.append( this.editNotices[key] );
}
};
/**
* Set up the beta notices panel.
*
* @method
* @returns {string[]} HTML strings for each edit notice
*/
ve.init.mw.ViewPageTarget.prototype.setupToolbarBetaNotice = function () {
this.$toolbarBetaNotice.empty();
this.$toolbarBetaNotice
.append( $( '' ).text( ve.msg( 'visualeditor-beta-warning' ) ) );
};
/**
* Switch to editing mode.
*
* @method
* @param {HTMLDocument} doc HTML DOM to edit
*/
ve.init.mw.ViewPageTarget.prototype.setUpSurface = function ( doc ) {
// Initialize surface
this.surface = new ve.ui.Surface( doc, this.surfaceOptions );
this.surface.connect( this, { 'toolbarPosition': 'onSurfaceToolbarPosition' } );
this.surface.getContext().hide();
this.$document = this.surface.$.find( '.ve-ce-documentNode' );
this.surface.getModel().connect( this, { 'transact': 'onSurfaceModelTransact' } );
this.surface.getModel().connect( this, { 'history': 'onSurfaceModelHistory' } );
this.$.append( this.surface.$ );
this.surface.initialize();
this.setUpToolbar();
this.transformPageTitle();
this.changeDocumentTitle();
// Update UI
this.hidePageContent();
this.hideSpinner();
this.active = true;
this.$document.attr( {
'lang': mw.config.get( 'wgVisualEditor' ).pageLanguageCode,
'dir': mw.config.get( 'wgVisualEditor' ).pageLanguageDir
} );
// Add appropriately mw-content-ltr or mw-content-rtl class
this.surface.$.addClass( 'mw-content-' + mw.config.get( 'wgVisualEditor' ).pageLanguageDir );
};
/**
* The toolbar has updated its position.
* @param {jQuery} $bar
*/
ve.init.mw.ViewPageTarget.prototype.onSurfaceToolbarPosition = function ( $bar ) {
var css, offset, startProp, startOffset,
dir = mw.config.get( 'wgVisualEditor' ).pageLanguageDir,
type = $bar.css( 'position' );
// It's important that the toolbar tracker has 0 height. Else it will block events on the
// toolbar (e.g. clicking "Save page") as it would overlap that space. The save dialog
// will remain visible for the same reason elsewhere: As long as we don't have overflow:hidden,
// the save dialog will stick out of the tracker in the right place without the tracker itself
// blocking the toolbar.
if ( type === 'relative' ) {
offset = $bar.offset();
css = {
'position': 'absolute',
'top': offset.top
};
if ( dir === 'ltr' ) {
startProp = 'left';
startOffset = offset.left;
} else {
startProp = 'right';
startOffset = $( window ).width() - ( offset.left + $bar.outerWidth() );
}
css[ startProp ] = startOffset;
} else if ( type === 'absolute' || type === 'fixed' ) {
css = {
'position': type,
'top': $bar.css( 'top' ),
'left': $bar.css( 'left' )
};
} else {
return;
}
this.$toolbarTracker.css( css );
};
/**
* Set up the logging of analytic edit events using EventLogging.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setUpEventLogging = function () {
mw.loader.using( 'schema.Edit', function () {
mw.eventLog.setDefaults( 'Edit', {
version: 0,
editor: 'visualeditor',
pageId: mw.config.get( 'wgArticleId' ),
pageNs: mw.config.get( 'wgNamespaceNumber' ),
pageName: mw.config.get( 'wgPageName' ),
pageViewSessionId: mw.user.generateRandomSessionId(),
revId: function () {
return mw.config.get( 'wgCurRevisionId' );
},
userId: +mw.config.get( 'wgUserId' )
} );
} );
};
/**
* Thin wrapper around EventLogging's 'logEvent' method which ensures the
* relevant schema module has been loaded.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.logEvent = function ( schemaName, event ) {
mw.loader.using( 'schema.' + schemaName, function () {
mw.eventLog.logEvent( schemaName, event );
} );
};
/**
* Switch to viewing mode.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.tearDownSurface = function () {
// Update UI
if ( this.$document ) {
this.$document.blur();
this.$document = null;
}
this.tearDownToolbar();
this.hideSpinner();
this.showPageContent();
this.restorePageTitle();
this.restoreDocumentTitle();
this.showTableOfContents();
// Destroy surface
if ( this.surface ) {
this.surface.destroy();
this.surface = null;
}
this.active = false;
};
/**
* Modify tabs in the skin to support in-place editing.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setupSkinTabs = function () {
var caVeEdit, caVeEditSource,
action = this.pageExists ? 'edit' : 'create',
pTabsId = $( '#p-views' ).length ? 'p-views' : 'p-cactions',
$caSource = $( '#ca-viewsource' ),
$caEdit = $( '#ca-edit' ),
$caEditLink = $caEdit.find( 'a' ),
reverseTabOrder = $( 'body' ).hasClass( 'rtl' ) && pTabsId === 'p-views',
caVeEditNextnode = reverseTabOrder ? $caEdit.get( 0 ) : $caEdit.next().get( 0 );
if ( !$caEdit.length || $caSource.length ) {
// If there is no edit tab or a view-source tab,
// the user doesn't have permission to edit.
return;
}
// Add independent "VisualEditor" tab (#ca-ve-edit).
if ( this.tabLayout === 'add' ) {
caVeEdit = mw.util.addPortletLink(
pTabsId,
// Use url instead of '#'.
// So that 1) one can always open it in a new tab, even when
// onEditTabClick is bound.
// 2) when onEditTabClick is not bound (!isViewPage) it will
// just work.
this.veEditUri,
// Message: 'visualeditor-ca-ve-edit' or 'visualeditor-ca-ve-create'
ve.msg( 'visualeditor-ca-ve-' + action ),
'ca-ve-edit',
ve.msg( 'tooltip-ca-ve-edit' ),
ve.msg( 'accesskey-ca-ve-edit' ),
caVeEditNextnode
);
// Replace "Edit" tab with a veEditUri version, add "Edit source" tab.
} else {
// Create "Edit source" link.
// Re-create instead of convert ca-edit since we don't want to copy over accesskey etc.
caVeEditSource = mw.util.addPortletLink(
pTabsId,
// Use original href to preserve oldid etc. (bug 38125)
$caEditLink.attr( 'href' ),
// Message: 'visualeditor-ca-editsource' or 'visualeditor-ca-createsource'
ve.msg( 'visualeditor-ca-' + action + 'source' ),
'ca-editsource',
// Message: 'tooltip-ca-editsource' or 'tooltip-ca-createsource'
ve.msg( 'tooltip-ca-' + action + 'source' ),
ve.msg( 'accesskey-ca-editsource' ),
caVeEditNextnode
);
// Copy over classes (e.g. 'selected')
$( caVeEditSource ).addClass( $caEdit.attr( 'class' ) );
// Create "Edit" tab.
$caEdit.remove();
caVeEdit = mw.util.addPortletLink(
pTabsId,
// Use url instead of '#'.
// So that 1) one can always open it in a new tab, even when
// onEditTabClick is bound.
// 2) when onEditTabClick is not bound (!isViewPage) it will
// just work.
this.veEditUri,
$caEditLink.text(),
$caEdit.attr( 'id' ),
$caEditLink.attr( 'title' ),
ve.msg( 'accesskey-ca-ve-edit' ),
reverseTabOrder ? caVeEditSource.nextSibling : caVeEditSource
);
}
if ( this.isViewPage ) {
// Allow instant switching to edit mode, without refresh
$( caVeEdit ).click( ve.bind( this.onEditTabClick, this ) );
// Allow instant switching back to view mode, without refresh
$( '#ca-view a, #ca-nstab-visualeditor a' )
.click( ve.bind( this.onViewTabClick, this ) );
}
};
/**
* Modify page content to make section edit links activate the editor.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setupSectionEditLinks = function () {
var veEditUri = this.veEditUri,
$editsections = $( '#mw-content-text .mw-editsection' ),
handler = ve.bind( this.onEditSectionLinkClick, this );
// The "visibility" css construct ensures we always occupy the same space in the layout.
// This prevents the heading from changing its wrap when the user toggles editSourceLink.
$editsections.each( function () {
var $closingBracket, $expandedOnly, $hiddenBracket, $outerClosingBracket,
expandTimeout, shrinkTimeout,
$editsection = $( this ),
$heading = $editsection.closest( 'h1, h2, h3, h4, h5, h6' ),
$editLink = $editsection.find( 'a' ).eq( 0 ),
$editSourceLink = $editLink.clone(),
$links = $editLink.add( $editSourceLink ),
$divider = $( '' ),
dividerText = $.trim( ve.msg( 'pipe-separator' ) ),
$brackets = $( [ this.firstChild, this.lastChild ] );
function expandSoon() {
// Cancel pending shrink, schedule expansion instead
clearTimeout( shrinkTimeout );
expandTimeout = setTimeout( expand, 100 );
}
function expand() {
clearTimeout( shrinkTimeout );
$closingBracket.css( 'visibility', 'hidden' );
$expandedOnly.css( 'visibility', 'visible' );
$heading.addClass( 'mw-editsection-expanded' );
}
function shrinkSoon() {
// Cancel pending expansion, schedule shrink instead
clearTimeout( expandTimeout );
shrinkTimeout = setTimeout( shrink, 100 );
}
function shrink() {
clearTimeout( expandTimeout );
if ( !$links.is( ':focus' ) ) {
$closingBracket.css( 'visibility', 'visible' );
$expandedOnly.css( 'visibility', 'hidden' );
$heading.removeClass( 'mw-editsection-expanded' );
}
}
// TODO: Remove this (see Id27555c6 in mediawiki/core)
if ( !$brackets.hasClass( 'mw-editsection-bracket' ) ) {
$brackets = $brackets
.wrap( $( '' ).addClass( 'mw-editsection-bracket' ) )
.parent();
}
$closingBracket = $brackets.last();
$outerClosingBracket = $closingBracket.clone();
$expandedOnly = $divider.add( $editSourceLink ).add( $outerClosingBracket )
.css( 'visibility', 'hidden' );
// The hidden bracket after the devider ensures we have balanced space before and after
// divider. The space before the devider is provided by the original closing bracket.
$hiddenBracket = $closingBracket.clone().css( 'visibility', 'hidden' );
// Events
$heading.on( { 'mouseenter': expandSoon, 'mouseleave': shrinkSoon } );
$links.on( { 'focus': expand, 'blur': shrink } );
$editLink.click( handler );
// Initialization
$editSourceLink
.addClass( 'mw-editsection-link-secondary' )
.text( mw.msg( 'visualeditor-ca-editsource-section' ) );
$divider
.addClass( 'mw-editsection-divider' )
.text( dividerText );
$editLink
.attr( 'href', function ( i, val ) {
return new mw.Uri( veEditUri ).extend( {
'vesection': new mw.Uri( val ).query.section
} );
} )
.addClass( 'mw-editsection-link-primary' );
$closingBracket
.after( $divider, $hiddenBracket, $editSourceLink, $outerClosingBracket );
} );
};
/**
* Add content and event bindings to toolbar buttons.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setupToolbarButtons = function () {
var editNoticeCount = ve.getObjectKeys( this.editNotices ).length;
this.toolbarCancelButton = new ve.ui.ButtonWidget( { 'label': ve.msg( 'visualeditor-toolbar-cancel' ) } );
this.toolbarSaveButton = new ve.ui.ButtonWidget( {
'label': ve.msg( 'visualeditor-toolbar-savedialog' ),
'flags': ['constructive'],
'disabled': !this.restoring
} );
this.toolbarCancelButton.connect( this, { 'click': 'onToolbarCancelButtonClick' } );
this.toolbarSaveButton.connect( this, { 'click': 'onToolbarSaveButtonClick' } );
this.$toolbarMwMetaButton
.addClass( 've-ui-icon-settings' )
.append(
$( '' )
.addClass( 've-init-mw-viewPageTarget-tool-label' )
.text( ve.msg( 'visualeditor-meta-tool' ) )
)
.click( ve.bind( this.onToolbarMwMetaButtonClick, this ) );
if ( editNoticeCount ) {
this.$toolbarEditNoticesTool
.addClass( 've-ui-icon-alert' )
.append(
$( '' )
.addClass( 've-init-mw-viewPageTarget-tool-label' )
.text( ve.msg( 'visualeditor-editnotices-tool', editNoticeCount ) )
)
.append( this.$toolbarEditNotices )
.click( ve.bind( this.onToolbarEditNoticesToolClick, this ) );
this.$toolbarEditNotices.fadeIn( 'fast' );
}
this.$toolbarBetaNoticeTool
.append(
$( '' )
.addClass( 've-init-mw-viewPageTarget-tool-label ve-init-mw-viewPageTarget-tool-beta-label' )
.text( ve.msg( 'visualeditor-beta-label' ) )
)
.append( this.$toolbarBetaNotice )
.click( ve.bind( this.onToolbarBetaNoticeToolClick, this ) );
this.$toolbarFeedbackTool
.addClass( 've-ui-icon-comment' )
.append(
$( '' )
.addClass( 've-init-mw-viewPageTarget-tool-label' )
.text( ve.msg( 'visualeditor-feedback-tool' ) )
)
.click( ve.bind( this.onToolbarFeedbackToolClick, this ) );
};
/**
* Remove content and event bindings from toolbar buttons.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.tearDownToolbarButtons = function () {
this.toolbarCancelButton.disconnect( this );
this.toolbarSaveButton.disconnect( this );
this.$toolbarMwMetaButton.empty().off( 'click' );
this.$toolbarEditNoticesTool.empty().off( 'click' );
this.$toolbarBetaNoticeTool.empty().off( 'click' );
this.$toolbarFeedbackTool.empty().off( 'click' );
};
/**
* Add the save button to the user interface.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.attachToolbarButtons = function () {
var $target = this.toolbar.$actions;
$target.append( this.$toolbarBetaNoticeTool );
this.$toolbarBetaNotice.append( this.$toolbarFeedbackTool );
if ( !ve.isEmptyObject( this.editNotices ) ) {
$target.append( this.$toolbarEditNoticesTool );
}
$target.append(
this.$toolbarMwMetaButton,
this.toolbarCancelButton.$,
this.toolbarSaveButton.$
);
};
/**
* Remove the save button from the user interface.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.detachToolbarButtons = function () {
this.toolbarCancelButton.$.detach();
this.toolbarSaveButton.$.detach();
this.$toolbarMwMetaButton.detach();
this.$toolbarEditNoticesTool.detach();
this.$toolbarFeedbackTool.detach();
this.$toolbarBetaNoticeTool.detach();
};
/**
* Get a template for the save dialog.
*
* The result of this function depends on an API call, so the result it provided asynchronously.
* The template will be wrapped in a plain `` jQuery collection.
*
* @method
* @param {Function} callback
*/
ve.init.mw.ViewPageTarget.prototype.getSaveDialogHtml = function ( callback ) {
var viewPage = this,
$wrap = $( '' ).html( this.constructor.saveDialogTemplate );
// Based on EditPage::getCheckboxes and EditPage::initialiseForm
mw.user.getRights( function ( rights ) {
// MediaWiki only allows usage of minor flag when editing an existing page
// and the user has the right to use the feature.
// If either is not the case, remove it from the form.
if ( !viewPage.pageExists || ve.indexOf( 'minoredit', rights ) === -1 ) {
$wrap
.find( '.ve-init-mw-viewPageTarget-saveDialog-minorEdit-label, #ve-init-mw-viewPageTarget-saveDialog-minorEdit' )
.remove();
}
if ( mw.user.isAnon() ) {
$wrap
.find( '.ve-init-mw-viewPageTarget-saveDialog-watchList-label, #ve-init-mw-viewPageTarget-saveDialog-watchList' )
.remove();
} else if (
mw.user.options.get( 'watchdefault' ) ||
( mw.user.options.get( 'watchcreations' ) && !viewPage.pageExists ) ||
mw.config.get( 'wgVisualEditor' ).isPageWatched
) {
$wrap
.find( '#ve-init-mw-viewPageTarget-saveDialog-watchList' )
.prop( 'checked', true );
}
callback( $wrap );
} );
};
/**
* Add content and event bindings to the save dialog.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setupSaveDialog = function () {
var viewPage = this;
// Save button on "save" slide
this.saveDialogSaveButton = new ve.ui.ButtonWidget( {
'label': ve.msg(
// visualeditor-savedialog-label-restore, visualeditor-savedialog-label-save
'visualeditor-savedialog-label-' + ( viewPage.restoring ? 'restore' : 'save' )
),
'flags': ['constructive']
} );
this.saveDialogSaveButton.connect( this, { 'click': 'onSaveDialogSaveButtonClick' } );
// Review button on "save" slide
this.saveDialogReviewButton = new ve.ui.ButtonWidget( {
'label': ve.msg(
'visualeditor-savedialog-label-review'
)
} );
this.saveDialogReviewButton.connect( this, { 'click': 'onSaveDialogReviewButtonClick' } );
this.saveDialogReviewGoodButton = new ve.ui.ButtonWidget( {
'label': ve.msg( 'visualeditor-savedialog-label-review-good' ),
'flags': ['constructive']
} );
this.saveDialogReviewGoodButton.connect(
this, { 'click': 'onSaveDialogReviewGoodButtonClick' }
);
this.saveDialogResolveConflictButton = new ve.ui.ButtonWidget( {
'label': ve.msg( 'visualeditor-savedialog-label-resolve-conflict' ),
'flags': ['constructive']
} );
this.saveDialogResolveConflictButton.connect( this, { 'click': 'onSaveDialogResolveConflictButtonClick' } );
this.getSaveDialogHtml( function ( $wrap ) {
viewPage.$saveDialog
// Must not use replaceWith because that can't be used on fragement roots,
// plus, we want to preserve the reference and class names of the wrapper.
.empty().append( $wrap.contents() )
// Attach buttons
.find( '.ve-init-mw-viewPageTarget-saveDialog-slide-save' )
.find( '.ve-init-mw-viewPageTarget-saveDialog-actions' )
.prepend( viewPage.saveDialogSaveButton.$, viewPage.saveDialogReviewButton.$ )
.end()
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-slide-review' )
.find( '.ve-init-mw-viewPageTarget-saveDialog-actions' )
.prepend( viewPage.saveDialogReviewGoodButton.$ )
.end()
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-slide-conflict' )
.find( '.ve-init-mw-viewPageTarget-saveDialog-actions' )
.prepend( viewPage.saveDialogResolveConflictButton.$ )
.end()
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-closeButton' )
.click( ve.bind( viewPage.onSaveDialogCloseButtonClick, viewPage ) )
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-prevButton' )
.click( ve.bind( viewPage.onSaveDialogPrevButtonClick, viewPage ) )
.end()
// Attach contents
.find( '#ve-init-mw-viewPageTarget-saveDialog-editSummary' )
.attr( {
'placeholder': ve.msg( 'visualeditor-editsummary' )
} )
.placeholder()
.byteLimit( viewPage.editSummaryByteLimit )
.on( {
'focus': function () {
$( this ).parent().addClass(
've-init-mw-viewPageTarget-saveDialog-summary-focused'
);
},
'blur': function () {
$( this ).parent().removeClass(
've-init-mw-viewPageTarget-saveDialog-summary-focused'
);
},
'keyup keydown mouseup cut paste change focus blur': function () {
var $textarea = $( this ),
$editSummaryCount = $textarea
.closest( '.ve-init-mw-viewPageTarget-saveDialog-slide-save' )
.find( '.ve-init-mw-viewPageTarget-saveDialog-editSummaryCount' );
// TODO: This looks a bit weird, there is no unit in the UI, just numbers
// Users likely assume characters but then it seems to count down quicker
// than expected. Facing users with the word "byte" is bad? (bug 40035)
setTimeout( function () {
$editSummaryCount.text(
viewPage.editSummaryByteLimit - $.byteLength( $textarea.val() )
);
} );
}
} )
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-editSummaryCount' )
.text( viewPage.editSummaryByteLimit )
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-minorEdit-label' )
.html( ve.init.platform.getParsedMessage( 'minoredit' ) )
.find( 'a' )
.attr( 'target', '_blank' )
.end()
.end()
.find( '#ve-init-mw-viewPageTarget-saveDialog-minorEdit' )
.prop( 'checked', +mw.user.options.get( 'minordefault' ) )
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-watchList-label' )
.html( ve.init.platform.getParsedMessage( 'watchthis' ) )
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-license' )
.html( ve.init.platform.getParsedMessage( 'copyrightwarning' ) )
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-conflict' )
.html( ve.init.platform.getParsedMessage( 'visualeditor-editconflict' ) )
.end()
.find( '.ve-init-mw-viewPageTarget-saveDialog-nochanges' )
.html( ve.init.platform.getParsedMessage( 'visualeditor-diff-nochanges' ) )
;
// Get reference to loading icon
viewPage.$saveDialogLoadingIcon = viewPage.$saveDialog
.find( '.ve-init-mw-viewPageTarget-saveDialog-working' );
} );
// Hook onto the 'watch' event on by mediawiki.page.watch.ajax.js
// Triggered when mw.page.watch.updateWatchLink(link, action) is called
$( '#ca-watch, #ca-unwatch' )
.on(
'watchpage.mw',
function ( e, action ) {
viewPage.$saveDialog
.find( '#ve-init-mw-viewPageTarget-saveDialog-watchList' )
.prop( 'checked', ( action === 'watch' ) );
}
);
};
/**
* Show the save dialog.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.showSaveDialog = function () {
var viewPage = this;
viewPage.surface.disable();
viewPage.$toolbarBetaNotice.fadeOut( 'fast' );
viewPage.$toolbarEditNotices.fadeOut( 'fast' );
viewPage.swapSaveDialog( 'save' );
viewPage.$saveDialog.fadeIn( 'fast', function () {
// Initial size
viewPage.onResizeSaveDialog();
} );
$( document ).on( 'keydown.ve-savedialog', function ( e ) {
// Escape
if ( e.which === 27 ) {
viewPage.onSaveDialogCloseButtonClick();
}
} );
$( window ).on( 'resize.ve-savedialog', ve.bind( viewPage.onResizeSaveDialog, viewPage ) );
};
/**
* Update window-size related aspects of the save dialog
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onResizeSaveDialog = function () {
var $d = this.$saveDialog, $w = $( window );
// Available space for css-height is window height,
// without the space between the dialog and the window top,
// without the space above/below between css-height and outerHeight.
$d.css( 'max-height',
$w.height() -
( $d.offset().top - $w.scrollTop() ) -
( $d.outerHeight( true ) - $d.height() ) -
20 // shadow
);
};
/**
* Hide the save dialog
*/
ve.init.mw.ViewPageTarget.prototype.hideSaveDialog = function () {
// Reset history on close (bug 49481)
this.saveDialogSlideHistory.length = 0;
this.$saveDialog.fadeOut( 'fast' );
if ( this.$document ) {
this.$document.focus();
}
$( document ).off( 'keydown.ve-savedialog' );
$( window ).off( 'resize', this.onResizeSaveDialog );
if ( this.surface ) {
this.surface.enable();
}
};
/**
* Reset the fields of the save dialog.
*
* TODO: Maybe call this more cleverly only when the document changes, so that closing and
* re-opening the saveDialog doesn't remove the user input and the diff cache.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.resetSaveDialog = function () {
this.$saveDialog
.find( '#ve-init-mw-viewPageTarget-saveDialog-editSummary' )
.val( '' )
.end()
.find( '#ve-init-mw-viewPageTarget-saveDialog-minorEdit' )
.prop( 'checked', false )
.end()
// Clear the diff
.find( '.ve-init-mw-viewPageTarget-saveDialog-viewer' )
.empty();
};
/**
* Swap state in the save dialog.
*
* @method
* @param {string} slide One of 'save', 'review', 'conflict' or 'nochanges'
* @param {Object} [options]
* @param {boolean} [options.fromHistory] Whether this swap was triggered from interaction
* with the slide history (e.g. surpresses pushing of target slide in the history again).
* @returns {jQuery} The now active slide.
* @throws {Error} Unknown saveDialog slide
*/
ve.init.mw.ViewPageTarget.prototype.swapSaveDialog = function ( slide, options ) {
var $slide, $viewer,
doc = this.surface.getModel().getDocument();
if ( ve.indexOf( slide, [ 'save', 'review', 'conflict', 'nochanges' ] ) === -1 ) {
throw new Error( 'Unknown saveDialog slide: ' + slide );
}
options = options || {};
if ( !options.fromHistory ) {
this.saveDialogSlideHistory.push( slide );
}
$slide = this.$saveDialog.find( '.ve-init-mw-viewPageTarget-saveDialog-slide-' + slide );
this.$saveDialog
// Hide "prev" button when (back) on the first slide
.find( '.ve-init-mw-viewPageTarget-saveDialog-prevButton' )
.toggle( this.saveDialogSlideHistory.length >= 2 )
.end()
// Update title to one of:
// - visualeditor-savedialog-title-save
// - visualeditor-savedialog-title-review
// - visualeditor-savedialog-title-conflict
// - visualeditor-savedialog-title-nochanges
.find( '.ve-init-mw-viewPageTarget-saveDialog-title' )
.text( ve.msg( 'visualeditor-savedialog-title-' + slide ) )
.end()
// Hide other slides
.find( '.ve-init-mw-viewPageTarget-saveDialog-slide' )
.not( $slide )
.hide();
if ( slide === 'review' ) {
$viewer = $slide.find( '.ve-init-mw-viewPageTarget-saveDialog-viewer' );
if ( !$viewer.find( 'table, pre' ).length ) {
this.saveDialogReviewGoodButton.setDisabled( true );
this.$saveDialogLoadingIcon.show();
if ( this.pageExists ) {
// Has no callback, handled via target.onShowChanges
this.showChanges(
ve.dm.converter.getDomFromData( doc.getFullData(), doc.getStore(), doc.getInternalList() )
);
} else {
this.serialize(
ve.dm.converter.getDomFromData( doc.getFullData(), doc.getStore(), doc.getInternalList() ),
ve.bind( this.onSerialize, this )
);
}
}
this.$saveDialog.css( 'width', '100%' );
} else {
this.$saveDialog.css( 'width', '' );
}
// Warnings should not persist after slide changes
this.clearAllWarnings();
// Show the target slide
$slide.show();
if ( slide === 'save' ) {
setTimeout( function () {
$slide.find( 'textarea' ).eq( 0 ).focus();
} );
}
return $slide;
};
/**
* Add the save dialog to the user interface.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.attachSaveDialog = function () {
this.surface.$globalOverlay.append(
this.$toolbarTracker.append(
this.$saveDialog
)
);
};
/**
* Remove the save dialog from the user interface.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.detachSaveDialog = function () {
this.$saveDialog.detach();
};
/**
* Remember the window's scroll position.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.saveScrollPosition = function () {
this.scrollTop = $( window ).scrollTop();
};
/**
* Restore the window's scroll position.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.restoreScrollPosition = function () {
if ( this.scrollTop ) {
$( window ).scrollTop( this.scrollTop );
this.scrollTop = null;
}
};
/**
* Show the loading spinner.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.showSpinner = function () {
$( '#firstHeading' ).prepend( this.$spinner );
};
/**
* Hide the loading spinner.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.hideSpinner = function () {
this.$spinner.detach();
};
/**
* Show the page content.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.showPageContent = function () {
$( '#bodyContent > .ve-init-mw-viewPageTarget-content' )
.removeClass( 've-init-mw-viewPageTarget-content' )
.show()
.fadeTo( 0, 1 );
};
/**
* Mute the page content.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.mutePageContent = function () {
$( '#bodyContent > :visible:not(#siteSub, #contentSub)' )
.addClass( 've-init-mw-viewPageTarget-content' )
.fadeTo( 'fast', 0.6 );
};
/**
* Hide the page content.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.hidePageContent = function () {
$( '#bodyContent > :visible:not(#siteSub, #contentSub)' )
.addClass( 've-init-mw-viewPageTarget-content' )
.hide();
};
/**
* Show the table of contents in the view mode.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.showTableOfContents = function () {
var $toc = $( '#toc' ),
$wrap = $toc.parent();
if ( $wrap.data( 've.hideTableOfContents' ) ) {
$wrap.slideDown( function () {
$toc.unwrap();
} );
}
};
/**
* Hide the table of contents in the view mode.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.hideTableOfContents = function () {
$( '#toc' )
.wrap( '' )
.parent()
.data( 've.hideTableOfContents', true )
.slideUp();
};
/**
* Show the toolbar.
*
* This also transplants the toolbar to a new location.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setUpToolbar = function () {
this.toolbar = new ve.ui.Toolbar( this.surface, { 'shadow': true, 'actions': true } );
this.toolbar.addTools( this.constructor.static.toolbarTools );
this.surface.addCommands( this.constructor.static.surfaceCommands );
if ( !this.isMobileDevice ) {
this.toolbar.enableFloating();
}
this.toolbar.$
.addClass( 've-init-mw-viewPageTarget-toolbar' )
.insertBefore( '#firstHeading' );
this.toolbar.$bar.slideDown( 'fast', ve.bind( function () {
// Check the surface wasn't torn down while the toolbar was animating
if ( this.surface ) {
this.surface.getContext().update();
// Emit event for initial position. Must be done here after the
// slide down instead of in ve.ui.Toolbar#constructor because
// back there it'll still be out of view.
this.surface.emit( 'toolbarPosition', this.toolbar.$bar );
}
}, this ) );
};
/**
* Hide the toolbar.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.tearDownToolbar = function () {
this.toolbar.$bar.slideUp( 'fast', ve.bind( function () {
this.toolbar.destroy();
this.toolbar = null;
}, this ) );
};
/**
* Transform the page title into a VE-style title.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.transformPageTitle = function () {
$( '#firstHeading' ).addClass( 've-init-mw-viewPageTarget-pageTitle' );
};
/**
* Fade the page title to indicate it is not editable.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.mutePageTitle = function () {
$( '#firstHeading, #siteSub:visible, #contentSub:visible' ).fadeTo( 'fast', 0.6 );
};
/**
* Restore the page title to its original style.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.restorePageTitle = function () {
$( '#firstHeading, #siteSub:visible, #contentSub:visible' ).fadeTo( 'fast', 1 );
setTimeout( function () {
$( '#firstHeading' ).removeClass( 've-init-mw-viewPageTarget-pageTitle' );
}, 1000 );
};
/**
* Change the document title to state that we are now editing.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.changeDocumentTitle = function () {
document.title = ve.msg(
this.pageExists ? 'editing' : 'creating',
mw.config.get( 'wgTitle' )
) + ' - ' + mw.config.get( 'wgSiteName' );
};
/**
* Restore the original document title.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.restoreDocumentTitle = function () {
document.title = this.originalDocumentTitle;
};
/**
* Page modifications for switching to edit mode.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.transformPage = function () {
var uri;
// Put skin tabs in "edit" mode
$( $( '#p-views' ).length ? '#p-views' : '#p-cactions' )
.find( 'li.selected' ).removeClass( 'selected' );
$( this.tabLayout === 'add' ? '#ca-ve-edit' : '#ca-edit' )
.addClass( 'selected' );
// Hide site notice (if present)
$( '#siteNotice:visible' )
.addClass( 've-hide' )
.slideUp( 'fast' );
// Push veaction=edit url in history (if not already. If we got here by a veaction=edit
// permalink then it will be there already and the constructor called #activate)
if ( !this.actFromPopState && window.history.pushState && this.currentUri.query.veaction !== 'edit' ) {
// Set the veaction query parameter
uri = this.currentUri;
uri.query.veaction = 'edit';
window.history.pushState( null, document.title, uri );
}
this.actFromPopState = false;
};
/**
* Page modifications for switching back to view mode.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.restorePage = function () {
var uri;
// Put skin tabs back in "view" mode
$( $( '#p-views' ).length ? '#p-views' : '#p-cactions' )
.find( 'li.selected' ).removeClass( 'selected' );
$( '#ca-view' ).addClass( 'selected' );
// Make site notice visible again (if present)
$( '#siteNotice.ve-hide' )
.slideDown( 'fast' );
// Push non-veaction=edit url in history
if ( !this.actFromPopState && window.history.pushState ) {
// Remove the veaction query parameter
uri = this.currentUri;
if ( 'veaction' in uri.query ) {
delete uri.query.veaction;
}
// If there are other query parameters, set the url to the current url (with veaction removed).
// Otherwise use the canonical style view url (bug 42553).
if ( ve.getObjectValues( uri.query ).length ) {
window.history.pushState( null, document.title, uri );
} else {
window.history.pushState( null, document.title, this.viewUri );
}
}
this.actFromPopState = false;
};
/**
* @param {Event} e Native event object
*/
ve.init.mw.ViewPageTarget.prototype.onWindowPopState = function () {
var newUri = this.currentUri = new mw.Uri( document.location.href );
if ( !this.active && newUri.query.veaction === 'edit' ) {
this.actFromPopState = true;
this.activate();
}
if ( this.active && newUri.query.veaction !== 'edit' ) {
this.actFromPopState = true;
this.deactivate();
}
};
/**
* Replace the page content with new HTML.
*
* @method
* @param {HTMLElement} html Rendered HTML from server
*/
ve.init.mw.ViewPageTarget.prototype.replacePageContent = function ( html ) {
$( '#mw-content-text' ).html( html );
};
/**
* Get the numeric index of a section in the page.
*
* @method
* @param {HTMLElement} heading Heading element of section
*/
ve.init.mw.ViewPageTarget.prototype.getEditSection = function ( heading ) {
var $page = $( '#mw-content-text' ),
section = 0;
$page.find( 'h1, h2, h3, h4, h5, h6' ).not( '#toc h2' ).each( function () {
section++;
if ( this === heading ) {
return false;
}
} );
return section;
};
/**
* Get the numeric index of a section in the page.
*
* @method
* @param {HTMLElement} heading Heading element of section
*/
ve.init.mw.ViewPageTarget.prototype.saveEditSection = function ( heading ) {
this.section = this.getEditSection( heading );
};
/**
* Move the cursor in the editor to a given section.
*
* @method
* @param {number} section Section to move cursor to
*/
ve.init.mw.ViewPageTarget.prototype.restoreEditSection = function () {
if ( this.section !== null ) {
var offset,
target = this,
surfaceView = this.surface.getView(),
surfaceModel = surfaceView.getModel();
this.$document.find( 'h1, h2, h3, h4, h5, h6' ).eq( this.section - 1 ).each( function () {
var offsetNode, nextNode,
headingNode = $( this ).data( 'view' ),
lastHeadingLevel = -1;
if ( headingNode ) {
// Find next sibling which isn't a heading
offsetNode = headingNode;
while ( offsetNode instanceof ve.ce.HeadingNode && offsetNode.getModel().getAttribute( 'level' ) > lastHeadingLevel ) {
lastHeadingLevel = offsetNode.getModel().getAttribute( 'level' );
// Next sibling
nextNode = offsetNode.parent.children[ve.indexOf( offsetNode, offsetNode.parent.children ) + 1];
if ( !nextNode ) {
break;
}
offsetNode = nextNode;
}
offset = surfaceModel.getDocument().data.getNearestContentOffset(
offsetNode.getModel().getOffset(), 1
);
surfaceModel.change( null, new ve.Range( offset ) );
// Scroll to heading:
// Wait for toolbar to animate in so we can account for its height
setTimeout( function () {
var $window = $( ve.Element.static.getWindow( target.$ ) );
$window.scrollTop( headingNode.$.offset().top - target.toolbar.$.height() );
}, 200 );
}
} );
this.section = null;
}
};
/**
* Show an inline warning.
* @param {string} name Warning's unique name
* @param {string} messageHtml Warning message HTML
*/
ve.init.mw.ViewPageTarget.prototype.showWarning = function ( name, messageHtml ) {
if ( !this.warnings[name] ) {
var warning = $(
'' + messageHtml + '
'
);
this.$saveDialog
.find( '.ve-init-mw-viewPageTarget-saveDialog-warnings' )
.append( warning );
this.warnings[name] = warning;
}
};
/**
* Remove an inline warning.
* @param {string} name Warning's unique name
*/
ve.init.mw.ViewPageTarget.prototype.clearWarning = function ( name ) {
if ( this.warnings[name] ) {
this.warnings[name].remove();
delete this.warnings[name];
}
};
/**
* Remove all inline warnings.
*/
ve.init.mw.ViewPageTarget.prototype.clearAllWarnings = function () {
this.$saveDialog
.find( '.ve-init-mw-viewPageTarget-saveDialog-warnings' )
.empty();
this.warnings = {};
};
/**
* Add onbeforunload handler.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.setupBeforeUnloadHandler = function () {
// Remember any already set on before unload handler
this.onBeforeUnloadFallback = window.onbeforeunload;
// Attach before unload handler
window.onbeforeunload = this.onBeforeUnloadHandler = ve.bind( this.onBeforeUnload, this );
// Attach page show handlers
if ( window.addEventListener ) {
window.addEventListener( 'pageshow', ve.bind( this.onPageShow, this ), false );
} else if ( window.attachEvent ) {
window.attachEvent( 'pageshow', ve.bind( this.onPageShow, this ) );
}
};
/**
* Remove onbeforunload handler.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.tearDownBeforeUnloadHandler = function () {
// Restore whatever previous onbeforeload hook existed
window.onbeforeunload = this.onBeforeUnloadFallback;
};
/**
* Handle page show event.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onPageShow = function () {
// Re-add onbeforeunload handler
window.onbeforeunload = this.onBeforeUnloadHandler;
};
/**
* Handle before unload event.
*
* @method
*/
ve.init.mw.ViewPageTarget.prototype.onBeforeUnload = function () {
var fallbackResult,
message,
onBeforeUnloadHandler = this.onBeforeUnloadHandler;
// Check if someone already set on onbeforeunload hook
if ( this.onBeforeUnloadFallback ) {
// Get the result of their onbeforeunload hook
fallbackResult = this.onBeforeUnloadFallback();
}
// Check if their onbeforeunload hook returned something
if ( fallbackResult !== undefined ) {
// Exit here, returning their message
message = fallbackResult;
} else {
// Override if submitting
if ( this.submitting ) {
return null;
}
// Check if there's been an edit
if ( this.surface && this.edited ) {
// Return our message
message = ve.msg( 'visualeditor-viewpage-savewarning' );
}
}
// Unset the onbeforeunload handler so we don't break page caching in Firefox
window.onbeforeunload = null;
if ( message !== undefined ) {
// ...but if the user chooses not to leave the page, we need to rebind it
setTimeout( function () {
window.onbeforeunload = onBeforeUnloadHandler;
} );
return message;
}
};
/* Initialization */
ve.init.mw.targets.push( new ve.init.mw.ViewPageTarget() );