mediawiki-extensions-Visual.../modules/ve-mw/ui/layouts/ve.ui.MWTwoPaneTransclusionDialogLayout.js

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/**
* Specialized layout similar to BookletLayout, but to synchronize the sidebar
* and content pane of the transclusion dialog
*
* Also owns the outline controls.
*
* This class has domain knowledge about its contents, for example different
* behaviors for template vs template parameter elements.
*
* @class
* @extends OO.ui.MenuLayout
*
* @constructor
* @param {Object} [config] Configuration options
* @cfg {boolean} [outlined=false] Show the outline. The outline is used to navigate through the
* pages of the booklet.
* @property {Object.<string,OO.ui.PageLayout>} pages
*/
ve.ui.MWTwoPaneTransclusionDialogLayout = function VeUiMWTwoPaneTransclusionDialogLayout( config ) {
// Configuration initialization
config = config || {};
// Parent constructor
ve.ui.MWTwoPaneTransclusionDialogLayout.super.call( this, config );
// Properties
this.currentPageName = null;
this.pages = {};
this.ignoreFocus = false;
this.stackLayout = new ve.ui.MWVerticalLayout();
this.setContentPanel( this.stackLayout );
this.sidebar = new ve.ui.MWTransclusionOutlineWidget();
this.outlineVisible = false;
this.outlined = !!config.outlined;
if ( this.outlined ) {
this.outlinePanel = new OO.ui.PanelLayout( {
expanded: this.expanded,
scrollable: true
} );
this.setMenuPanel( this.outlinePanel );
this.outlineVisible = true;
this.outlineControlsWidget = new ve.ui.MWTransclusionOutlineControlsWidget();
}
this.toggleMenu( this.outlined );
// Events
this.sidebar.connect( this, {
filterPagesByName: 'onFilterPagesByName',
sidebarPartSelected: 'onSidebarItemSelected',
templateParameterSelected: 'onSidebarItemSelected'
} );
// Event 'focus' does not bubble, but 'focusin' does
this.stackLayout.$element.on( 'focusin', this.onStackLayoutFocus.bind( this ) );
// Initialization
this.$element.addClass( 've-ui-mwTwoPaneTransclusionDialogLayout' );
this.stackLayout.$element.addClass( 've-ui-mwTwoPaneTransclusionDialogLayout-stackLayout' );
if ( this.outlined ) {
this.outlinePanel.$element
.addClass( 've-ui-mwTwoPaneTransclusionDialogLayout-outlinePanel' )
.append(
$( '<div>' ).addClass( 've-ui-mwTwoPaneTransclusionDialogLayout-sidebar-container' )
.append( this.sidebar.$element ),
this.outlineControlsWidget.$element
);
}
};
/* Setup */
OO.inheritClass( ve.ui.MWTwoPaneTransclusionDialogLayout, OO.ui.MenuLayout );
/* Methods */
/**
* @private
* @param {Object.<string,boolean>} visibility
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.onFilterPagesByName = function ( visibility ) {
for ( var pageName in visibility ) {
var page = this.getPage( pageName );
if ( page ) {
page.toggle( visibility[ pageName ] );
}
}
};
/**
* @param {ve.dm.MWTransclusionPartModel|null} removed Removed part
* @param {ve.dm.MWTransclusionPartModel|null} added Added part
* @param {number} [newPosition]
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.onReplacePart = function ( removed, added, newPosition ) {
this.sidebar.onReplacePart( removed, added, newPosition );
var keys = Object.keys( this.pages ),
isLastPlaceholder = keys.length === 1 &&
this.pages[ keys[ 0 ] ] instanceof ve.ui.MWTemplatePlaceholderPage;
// TODO: In other cases this is disabled rather than hidden. See T311303
this.outlineControlsWidget.removeButton.toggle( !isLastPlaceholder );
};
/**
* @private
* @param {jQuery.Event} e Focusin event
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.onStackLayoutFocus = function ( e ) {
// Find the page that an element was focused within
var $target = $( e.target ).closest( '.oo-ui-pageLayout' );
for ( var name in this.pages ) {
// Check for page match, exclude current page to find only page changes
if ( this.pages[ name ].$element[ 0 ] === $target[ 0 ] && name !== this.currentPageName ) {
this.setPage( name );
break;
}
}
};
/**
* Focus the input field for the current page.
*
* If no page is selected, the first selectable page will be selected.
* If the focus is already in an element on the current page, nothing will happen.
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.focus = function () {
var page = this.pages[ this.currentPageName ];
if ( !page ) {
return;
}
// Only change the focus if it's visible and is not already the current page
if ( page.$element[ 0 ].offsetParent !== null &&
!OO.ui.contains( page.$element[ 0 ], this.getElementDocument().activeElement, true )
) {
page.focus();
}
};
/**
* @param {string} pageName
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.focusPart = function ( pageName ) {
this.setPage( pageName );
this.focus();
};
/**
* Parts and parameters can be soft-selected, or selected and focused.
*
* @param {string|null} pageName Full, unique name of part or parameter, or null to deselect
* @param {boolean} [soft] If true, suppress content pane focus.
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.onSidebarItemSelected = function ( pageName, soft ) {
this.setPage( pageName );
if ( !soft ) {
this.focus();
}
var page = this.pages[ pageName ];
if ( page ) {
page.scrollElementIntoView( { alignToTop: true, padding: { top: 20 } } );
}
};
/**
* @return {boolean}
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.isOutlined = function () {
return this.outlined;
};
/**
* @return {boolean}
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.isOutlineVisible = function () {
return this.outlined && this.outlineVisible;
};
/**
* Hide or show the outline.
*
* @param {boolean} [show] Show outline, omit to invert current state
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.toggleOutline = function ( show ) {
if ( !this.outlined ) {
return;
}
show = show === undefined ? !this.outlineVisible : !!show;
this.outlineVisible = show;
this.toggleMenu( show );
if ( show ) {
var booklet = this;
// HACK: Kill dumb scrollbars when the sidebar stops animating, see T161798.
// Only necessary when outline controls are present, delay matches transition on
// `.oo-ui-menuLayout-menu`.
setTimeout( function () {
OO.ui.Element.static.reconsiderScrollbars( booklet.outlinePanel.$element[ 0 ] );
}, OO.ui.theme.getDialogTransitionDuration() );
}
};
/**
* @return {ve.ui.MWTransclusionOutlineControlsWidget|null}
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.getOutlineControls = function () {
return this.outlineControlsWidget;
};
/**
* Get the list of pages on the stack ordered by appearance.
*
* @return {OO.ui.PageLayout[]}
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.getPagesOrdered = function () {
return this.stackLayout.getItems();
};
/**
* @param {string} name Symbolic name of page
* @return {OO.ui.PageLayout|undefined} Page, if found
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.getPage = function ( name ) {
return this.pages[ name ];
};
/**
* @return {OO.ui.PageLayout|undefined} Current page, if found
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.getCurrentPage = function () {
var name = this.getCurrentPageName();
return name ? this.getPage( name ) : undefined;
};
/**
* @return {string|null} Symbolic name of the current page
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.getCurrentPageName = function () {
return this.currentPageName;
};
/**
* When pages are added with the same names as existing pages, the existing pages will be
* automatically removed before the new pages are added.
*
* @param {OO.ui.PageLayout[]} pages Pages to add
* @param {number} index Index of the insertion point
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.addPages = function ( pages, index ) {
var i, name, page,
stackLayoutPages = this.stackLayout.getItems();
// Remove pages with same names
var remove = [];
for ( i = 0; i < pages.length; i++ ) {
page = pages[ i ];
name = page.getName();
if ( Object.prototype.hasOwnProperty.call( this.pages, name ) ) {
// Correct the insertion index
var currentIndex = stackLayoutPages.indexOf( this.pages[ name ] );
if ( currentIndex !== -1 && currentIndex + 1 < index ) {
index--;
}
remove.push( name );
}
}
if ( remove.length ) {
this.removePages( remove );
}
// Add new pages
for ( i = 0; i < pages.length; i++ ) {
page = pages[ i ];
name = page.getName();
this.pages[ page.getName() ] = page;
}
this.stackLayout.addItems( pages, index );
};
/**
* @param {string[]} pagesNamesToRemove
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.removePages = function ( pagesNamesToRemove ) {
var layout = this,
pagesToRemove = [],
isCurrentParameter = this.pages[ this.currentPageName ] instanceof ve.ui.MWParameterPage,
isCurrentPageRemoved = false,
prevSelectionCandidate, nextSelectionCandidate;
this.stackLayout.getItems().forEach( function ( page ) {
var pageName = page.getName();
if ( pagesNamesToRemove.indexOf( pageName ) !== -1 ) {
pagesToRemove.push( page );
delete layout.pages[ pageName ];
// If the current page is removed, clear currentPageName
if ( layout.currentPageName === pageName ) {
isCurrentPageRemoved = true;
}
} else {
// avoid choosing a parameter as previous selection
if ( !isCurrentPageRemoved && pageName.indexOf( '/' ) === -1 ) {
prevSelectionCandidate = pageName;
} else if ( isCurrentPageRemoved && !nextSelectionCandidate ) {
nextSelectionCandidate = pageName;
}
}
} );
this.stackLayout.removeItems( pagesToRemove );
if ( isCurrentPageRemoved ) {
this.setPage( isCurrentParameter ? null :
nextSelectionCandidate || prevSelectionCandidate
);
}
};
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.clearPages = function () {
this.pages = {};
this.currentPageName = null;
this.sidebar.clear();
this.stackLayout.clearItems();
};
/**
* Set the current page and sidebar selection, by symbolic name. Doesn't focus the input.
*
* @param {string} [name] Symbolic name of page. Omit to remove current selection.
*/
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.setPage = function ( name ) {
var page = this.pages[ name ];
if ( page && name === this.currentPageName ) {
return;
}
var previousPage = this.currentPageName ? this.pages[ this.currentPageName ] : null;
this.currentPageName = name;
if ( previousPage ) {
// Blur anything focused if the next page doesn't have anything focusable.
// This is not needed if the next page has something focusable (because once it is
// focused this blur happens automatically).
if ( !OO.ui.isMobile() &&
( !page || OO.ui.findFocusable( page.$element ).length !== 0 )
) {
var $focused = previousPage.$element.find( ':focus' );
if ( $focused.length ) {
$focused[ 0 ].blur();
}
}
}
this.sidebar.setSelectionByPageName( name );
this.refreshControls();
};
ve.ui.MWTwoPaneTransclusionDialogLayout.prototype.refreshControls = function () {
var partId = this.sidebar.findSelectedPartId(),
pages = this.stackLayout.getItems(),
page = this.getPage( partId ),
index = pages.indexOf( page ),
isPart = !!partId,
canMoveUp, canMoveDown = false,
canBeDeleted = isPart;
/* check if this is the first element and no parameter */
canMoveUp = isPart && index > 0;
/* check if this is the last element and no parameter */
if ( isPart ) {
for ( var i = index + 1; i < pages.length; i++ ) {
if ( !( pages[ i ] instanceof ve.ui.MWParameterPage || pages[ i ] instanceof ve.ui.MWAddParameterPage ) ) {
canMoveDown = true;
break;
}
}
}
this.outlineControlsWidget.setButtonsEnabled( {
canMoveUp: canMoveUp,
canMoveDown: canMoveDown,
canBeDeleted: canBeDeleted
} );
};