mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-11-17 12:53:24 +00:00
a56759d8fe
Change-Id: I49ddf45093daee4988fb7f3b481fb35bfaceb152 Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/521 Bug: 64525
840 lines
23 KiB
JavaScript
840 lines
23 KiB
JavaScript
/*
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* This file is part of the MediaWiki extension MultimediaViewer.
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*
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* MultimediaViewer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* MultimediaViewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MultimediaViewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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( function ( mw, $, oo ) {
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// Shortcut for prototype later
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var MPP;
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/**
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* Represents the metadata panel in the viewer
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* @class mw.mmv.ui.MetadataPanel
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* @extends mw.mmv.ui.Element
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* @constructor
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* @param {jQuery} $container The container for the panel.
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* @param {jQuery} $controlBar The control bar element.
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*/
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function MetadataPanel( $container, $controlBar ) {
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mw.mmv.ui.Element.call( this, $container );
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this.$controlBar = $controlBar;
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/**
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* Whether we've fired an animation for the metadata div.
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* @property {boolean}
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* @private
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*/
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this.hasAnimatedMetadata = !window.localStorage || localStorage.getItem( 'mmv.hasOpenedMetadata' );
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/** @property {mw.mmv.HtmlUtils} htmlUtils - */
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this.htmlUtils = new mw.mmv.HtmlUtils();
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this.initializeHeader();
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this.initializeImageMetadata();
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this.initializeAboutLinks();
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}
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oo.inheritClass( MetadataPanel, mw.mmv.ui.Element );
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MPP = MetadataPanel.prototype;
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MPP.attach = function() {
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var panel = this;
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this.handleEvent( 'keydown', function ( e ) {
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panel.keydown( e );
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} );
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$.scrollTo().on( 'scroll.mmvp', $.throttle( 250, function() {
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panel.scroll();
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} ) );
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this.buttons.attach();
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this.fileReuse.attach();
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};
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MPP.unattach = function() {
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this.buttons.unattach();
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this.fileReuse.unattach();
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this.fileReuse.closeDialog();
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this.clearEvents();
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$.scrollTo().off( 'scroll.mmvp' );
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};
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MPP.empty = function () {
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this.$license.empty().addClass( 'empty' );
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this.$permissionLink.hide();
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this.buttons.empty();
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this.description.empty();
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this.categories.empty();
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this.fileUsage.empty();
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this.permission.empty();
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this.$title.empty().removeClass( 'error' );
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this.$credit.empty().addClass( 'empty' );
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this.$username.empty();
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this.$usernameLi.addClass( 'empty' );
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this.$repo.empty();
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this.$repoSubtitle.empty();
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this.$repoLi.addClass( 'empty' ).removeClass( 'remote local' );
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this.$datetime.empty();
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this.$datetimeLi.addClass( 'empty' );
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this.$location.empty();
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this.$locationLi.addClass( 'empty' );
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this.$dragIcon.removeClass( 'pointing-down' );
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this.progressBar.empty();
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// need to remove this to avoid animating again when reopening lightbox on same page
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this.$container.removeClass( 'invite' );
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this.fileReuse.empty();
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};
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// **********************************************
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// *********** Initialization methods ***********
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// **********************************************
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/**
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* Initializes the header, which contains the title, credit, and license elements.
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*/
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MPP.initializeHeader = function () {
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var panel = this;
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this.progressBar = new mw.mmv.ui.ProgressBar( this.$controlBar );
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this.$dragBar = $( '<div>' )
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.addClass( 'mw-mmv-drag-affordance' )
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.appendTo( this.$controlBar )
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.click( function () {
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panel.toggle();
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} );
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this.$dragIcon = $( '<div>' )
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.addClass( 'mw-mmv-drag-icon' )
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.appendTo( this.$dragBar );
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this.$titleDiv = $( '<div>' )
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.addClass( 'mw-mmv-title-contain' )
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.appendTo( this.$controlBar );
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this.$container.append( this.$controlBar );
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this.initializeButtons(); // float, needs to be on top
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this.initializeTitleAndCredit();
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this.initializeLicense();
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};
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/**
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* Initializes the title and credit elements.
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*/
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MPP.initializeTitleAndCredit = function () {
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this.$titleAndCredit = $( '<div>' )
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.addClass( 'mw-mmv-title-credit' )
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// Since these elements are created dynamically, we listen this way for logging purposes
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.on( 'click', '.mw-mmv-author a', function () {
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mw.mmv.logger.log( 'author-page' );
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} )
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.on( 'click', '.mw-mmv-source a', function () {
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mw.mmv.logger.log( 'source-page' );
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} )
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.appendTo( this.$titleDiv );
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this.initializeTitle();
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this.initializeCredit();
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};
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/**
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* Initializes the title elements.
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*/
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MPP.initializeTitle = function () {
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this.$titlePara = $( '<p>' )
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.addClass( 'mw-mmv-title-para' )
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.appendTo( this.$titleAndCredit );
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this.$title = $( '<span>' )
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.addClass( 'mw-mmv-title' );
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this.title = new mw.mmv.ui.TruncatableTextField( this.$titlePara, this.$title );
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};
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/**
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* Initializes the credit elements.
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*/
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MPP.initializeCredit = function () {
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this.$credit = $( '<p>' )
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.addClass( 'mw-mmv-credit empty' );
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this.creditField = new mw.mmv.ui.TruncatableTextField(
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this.$titleAndCredit,
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this.$credit,
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{ max: 200, small: 160 }
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);
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};
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/**
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* Initializes the license elements.
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*/
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MPP.initializeLicense = function () {
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var panel = this;
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this.$license = $( '<a>' )
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.addClass( 'mw-mmv-license empty' )
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.prop( 'href', '#' )
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.appendTo( this.$titlePara )
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.on( 'click', function() {
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mw.mmv.logger.log( 'license-page' );
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} );
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this.$permissionLink = $( '<span>' )
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.addClass( 'mw-mmv-permission-link mw-mmv-label' )
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.text( mw.message( 'multimediaviewer-permission-link' ).text() )
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.appendTo( this.$titlePara )
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.hide()
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.on( 'click', function() {
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panel.permission.grow();
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panel.scrollIntoView( panel.permission.$box, 500 );
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} );
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};
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MPP.initializeButtons = function () {
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this.buttons = new mw.mmv.ui.StripeButtons( this.$titleDiv, window.localStorage );
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};
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/**
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* Initializes the main body of metadata elements.
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*/
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MPP.initializeImageMetadata = function () {
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this.$imageMetadata = $( '<div>' )
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.addClass( 'mw-mmv-image-metadata' )
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.appendTo( this.$container );
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this.$imageMetadataLeft = $( '<div>' )
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.addClass( 'mw-mmv-image-metadata-column mw-mmv-image-metadata-desc-column' )
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.appendTo( this.$imageMetadata );
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this.$imageMetadataRight = $( '<div>' )
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.addClass( 'mw-mmv-image-metadata-column mw-mmv-image-metadata-links-column' )
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.appendTo( this.$imageMetadata );
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this.description = new mw.mmv.ui.Description( this.$imageMetadataLeft );
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this.permission = new mw.mmv.ui.Permission( this.$imageMetadataLeft );
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this.initializeImageLinks();
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};
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/**
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* Initializes the list of image metadata on the right side of the panel.
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*/
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MPP.initializeImageLinks = function () {
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this.$imageLinkDiv = $( '<div>' )
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.addClass( 'mw-mmv-image-links-div' )
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.appendTo( this.$imageMetadataRight );
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this.$imageLinks = $( '<ul>' )
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.addClass( 'mw-mmv-image-links' )
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.appendTo( this.$imageLinkDiv );
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this.initializeUploader();
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this.initializeDatetime();
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this.initializeLocation();
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this.initializeCategories();
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this.initializeRepoLink();
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this.fileReuse = new mw.mmv.ui.reuse.Dialog( this.$container, this.buttons.buttons.$reuse );
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this.fileUsage = new mw.mmv.ui.FileUsage(
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$( '<div>' ).appendTo( this.$imageMetadataRight )
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);
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this.fileUsage.init();
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};
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/**
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* Initializes the upload date/time element.
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*/
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MPP.initializeDatetime = function () {
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this.$datetimeLi = $( '<li>' )
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.addClass( 'mw-mmv-datetime-li empty' )
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.appendTo( this.$imageLinks );
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this.$datetime = $( '<span>' )
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.addClass( 'mw-mmv-datetime' )
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.appendTo( this.$datetimeLi );
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};
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/**
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* Initializes the link to the uploader's file page.
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*/
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MPP.initializeUploader = function () {
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this.$usernameLi = $( '<li>' )
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.addClass( 'mw-mmv-username-li empty' )
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.appendTo( this.$imageLinks );
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this.$username = $( '<a>' )
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.addClass( 'mw-mmv-username' )
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.prop( 'href', '#' )
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.appendTo( this.$usernameLi );
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};
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/**
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* Initializes the geolocation element.
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*/
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MPP.initializeLocation = function () {
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this.$locationLi = $( '<li>' )
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.addClass( 'mw-mmv-location-li empty' )
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.appendTo( this.$imageLinks );
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this.$location = $( '<a>' )
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.addClass( 'mw-mmv-location' )
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.appendTo( this.$locationLi );
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};
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/**
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* Initializes the list of categories of the image
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*/
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MPP.initializeCategories = function () {
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this.categories = new mw.mmv.ui.Categories(
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$( '<li>' )
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.addClass( 'mw-mmv-image-category' )
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.appendTo( this.$imageLinks )
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);
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};
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/**
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* Initializes the link to the file page on the (maybe remote) repository.
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*/
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MPP.initializeRepoLink = function () {
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this.$repoLi = $( '<li>' )
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.addClass( 'mw-mmv-repo-li empty' )
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.appendTo( this.$imageLinks );
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this.$repo = $( '<a>' )
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.addClass( 'mw-mmv-repo' )
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.prop( 'href', '#' )
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.click( function ( e ) {
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var $link = $( this ),
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redirect;
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if ( e.altKey || e.shiftKey || e.ctrlKey || e.metaKey || e.button === 1 ) {
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// They are likely opening the link in a new window or tab
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mw.mmv.logger.log( 'file-description-page' );
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return;
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}
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// If it's a plain click, we need to wait for the logging to
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// be done before navigating to the desired page
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e.preventDefault();
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redirect = function () {
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window.location.href = $link.prop( 'href' );
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};
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// We want to redirect anyway, whether logging worked or not
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mw.mmv.logger.log( 'file-description-page' ).then( redirect, redirect );
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} )
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.appendTo( this.$repoLi );
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this.$repoSubtitle = $( '<span>' )
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.addClass( 'mw-mmv-repo-subtitle' )
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.appendTo( this.$repoLi );
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};
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/**
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* Initializes two about links at the bottom of the panel.
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*/
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MPP.initializeAboutLinks = function () {
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var separator = ' | ';
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this.$mmvAboutLink = $( '<a>' )
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.prop( 'href', mw.config.get( 'wgMultimediaViewer' ).infoLink )
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.text( mw.message( 'multimediaviewer-about-mmv' ).text() )
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.addClass( 'mw-mmv-about-link' );
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this.$mmvDiscussLink = $( '<a>' )
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.prop( 'href', mw.config.get( 'wgMultimediaViewer' ).discussionLink )
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.text( mw.message( 'multimediaviewer-discuss-mmv' ).text() )
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.addClass( 'mw-mmv-discuss-link' );
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this.$mmvHelpLink = $( '<a>' )
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.prop( 'href', mw.config.get( 'wgMultimediaViewer' ).helpLink )
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.text( mw.message( 'multimediaviewer-help-mmv' ).text() )
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.addClass( 'mw-mmv-help-link' );
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this.$mmvAboutLinks = $( '<div>' )
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.addClass( 'mw-mmv-about-links' )
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.append(
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this.$mmvAboutLink,
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separator,
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this.$mmvDiscussLink,
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separator,
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this.$mmvHelpLink
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)
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.appendTo( this.$imageMetadata );
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};
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// *********************************
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// ******** Setting methods ********
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// *********************************
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/**
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* Sets the URL for the File: page of the image
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* @param {string} url
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*/
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MPP.setFilePageLink = function ( url ) {
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this.$repo.prop( 'href', url );
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};
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/**
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* Sets the display name of the repository
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* @param {mw.mmv.model.Repo} repoInfo
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*/
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MPP.setRepoDisplay = function ( repoInfo ) {
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var repositoryMessage,
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displayName = repoInfo.displayName || mw.config.get( 'wgSiteName' ),
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isCommons = repoInfo.isCommons();
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repositoryMessage = repoInfo.isLocal ?
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mw.message( 'multimediaviewer-repository-local' ).text() :
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mw.message( 'multimediaviewer-repository', displayName ).text();
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this.$repo.text( repositoryMessage );
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this.$repoLi.css( 'background-image',
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( repoInfo.favIcon && !isCommons ) ? 'url("' + repoInfo.favIcon + '")' : '' );
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this.$repoLi.toggleClass( 'commons', isCommons );
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this.$repoSubtitle.text(
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isCommons ? mw.message( 'multimediaviewer-commons-subtitle' ).text() : '' );
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this.$repoLi.removeClass( 'empty' );
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};
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/**
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* Sets the link to the user page where possible
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* @param {mw.mmv.model.Repo} repoData
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* @param {string} username
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* @param {string} gender
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*/
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MPP.setUserPageLink = function ( repoData, username, gender ) {
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var userpage = 'User:' + username,
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articlePath = repoData.getArticlePath(),
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userlink = articlePath.replace( '$1', userpage );
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this.$username
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.text(
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mw.message( 'multimediaviewer-userpage-link', username, gender ).text()
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)
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.prop( 'href', userlink );
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this.$usernameLi.toggleClass( 'empty', !username );
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};
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/**
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* Sets the file title in the panel
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* @param {string} title
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*/
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MPP.setFileTitle = function ( title ) {
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this.title.set( title );
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};
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/**
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* Sets up the file reuse data in the DOM
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* @param {mw.mmv.model.Image} image
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* @param {mw.mmv.model.Repo} repo
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* @param {string} caption
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*/
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MPP.setFileReuseData = function ( image, repo, caption ) {
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this.fileReuse.set( image, repo, caption );
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};
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/**
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* Sets the upload or creation date and time in the panel
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* @param {string} date The formatted date to set.
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* @param {boolean} created Whether this is the creation date
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*/
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MPP.setDateTime = function ( date, created ) {
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this.$datetime.text(
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mw.message(
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'multimediaviewer-datetime-' + ( created ? 'created' : 'uploaded' ),
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date
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).text()
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);
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this.$datetimeLi.removeClass( 'empty' );
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};
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/**
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* Bignasty function for setting source and author. Both #setAuthor and
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* #setSource use this with some shortcuts.
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* @param {string} source With unsafe HTML
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* @param {string} author With unsafe HTML
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*/
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MPP.setCredit = function ( source, author ) {
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this.source = source || null;
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this.author = author || null;
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if ( author && source ) {
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this.creditField.set(
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mw.message(
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'multimediaviewer-credit',
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this.author,
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this.source
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).plain()
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);
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} else if ( author ) {
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this.creditField.set( this.author );
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} else if ( source ) {
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this.creditField.set( this.source );
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}
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};
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/**
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* Sets the source in the panel
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* @param {string} source Warning - unsafe HTML sometimes goes here
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*/
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MPP.setSource = function ( source ) {
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if ( source ) {
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source = $( '<span>' )
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.addClass( 'mw-mmv-source' )
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.append( $.parseHTML( source ) )
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.get( 0 ).outerHTML;
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}
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this.setCredit( source, this.author );
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};
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/**
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* Sets the author in the panel
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* @param {string} author Warning - unsafe HTML sometimes goes here
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*/
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MPP.setAuthor = function ( author ) {
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if ( author ) {
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author = $( '<span>' )
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.addClass( 'mw-mmv-author' )
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.append( $.parseHTML( author ) )
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.get( 0 ).outerHTML;
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}
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this.setCredit( this.source, author );
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};
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/**
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* Sets the license display in the panel
|
|
* @param {mw.mmv.model.License|null} license license data (could be missing)
|
|
* @param {string} filePageUrl URL of the file description page
|
|
*/
|
|
MPP.setLicense = function ( license, filePageUrl ) {
|
|
var shortName, url, isCc;
|
|
|
|
if ( license ) {
|
|
shortName = license.getShortName();
|
|
url = license.deedUrl || filePageUrl;
|
|
isCc = license.isCc();
|
|
} else {
|
|
shortName = mw.message( 'multimediaviewer-license-default' ).text();
|
|
url = filePageUrl;
|
|
isCc = false;
|
|
}
|
|
|
|
this.$license
|
|
.text( shortName )
|
|
.toggleClass( 'cc-license', isCc )
|
|
.prop( 'href', url )
|
|
.prop( 'target', license && license.deedUrl ? '_blank' : '' );
|
|
|
|
this.$license.removeClass( 'empty' );
|
|
};
|
|
|
|
/**
|
|
* Set an extra permission text which should be displayed.
|
|
* @param {string} permission
|
|
*/
|
|
MPP.setPermission = function ( permission ) {
|
|
this.$permissionLink.show();
|
|
this.permission.set( permission );
|
|
};
|
|
|
|
/**
|
|
* Sets location data in the interface.
|
|
* @param {mw.mmv.model.Image} imageData
|
|
*/
|
|
MPP.setLocationData = function ( imageData ) {
|
|
var latsec, latitude, latmsg, latdeg, latremain, latmin,
|
|
longsec, longitude, longmsg, longdeg, longremain, longmin,
|
|
language;
|
|
|
|
if ( !imageData.hasCoords() ) {
|
|
return;
|
|
}
|
|
|
|
latitude = imageData.latitude >= 0 ? imageData.latitude : imageData.latitude * -1;
|
|
latmsg = 'multimediaviewer-geoloc-' + ( imageData.latitude >= 0 ? 'north' : 'south' );
|
|
latdeg = Math.floor( latitude );
|
|
latremain = latitude - latdeg;
|
|
latmin = Math.floor( ( latremain ) * 60 );
|
|
|
|
longitude = imageData.longitude >= 0 ? imageData.longitude : imageData.longitude * -1;
|
|
longmsg = 'multimediaviewer-geoloc-' + ( imageData.longitude >= 0 ? 'east' : 'west' );
|
|
longdeg = Math.floor( longitude );
|
|
longremain = longitude - longdeg;
|
|
longmin = Math.floor( ( longremain ) * 60 );
|
|
|
|
longremain -= longmin / 60;
|
|
latremain -= latmin / 60;
|
|
latsec = Math.round( latremain * 100 * 60 * 60 ) / 100;
|
|
longsec = Math.round( longremain * 100 * 60 * 60 ) / 100;
|
|
|
|
this.$location.text(
|
|
mw.message( 'multimediaviewer-geolocation',
|
|
mw.message(
|
|
'multimediaviewer-geoloc-coords',
|
|
|
|
mw.message(
|
|
'multimediaviewer-geoloc-coord',
|
|
mw.language.convertNumber( latdeg ),
|
|
mw.language.convertNumber( latmin ),
|
|
mw.language.convertNumber( latsec ),
|
|
mw.message( latmsg ).text()
|
|
).text(),
|
|
|
|
mw.message(
|
|
'multimediaviewer-geoloc-coord',
|
|
mw.language.convertNumber( longdeg ),
|
|
mw.language.convertNumber( longmin ),
|
|
mw.language.convertNumber( longsec ),
|
|
mw.message( longmsg ).text()
|
|
).text()
|
|
).text()
|
|
).text()
|
|
);
|
|
|
|
$.each( mw.language.data, function( key, value ) {
|
|
value = 'go away jshint';
|
|
language = key;
|
|
return false;
|
|
} );
|
|
|
|
this.$location.prop( 'href', (
|
|
'//tools.wmflabs.org/geohack/geohack.php?pagename=' +
|
|
'File:' + imageData.title.getMain() +
|
|
'¶ms=' +
|
|
Math.abs( imageData.latitude ) + ( imageData.latitude >= 0 ? '_N_' : '_S_' ) +
|
|
Math.abs( imageData.longitude ) + ( imageData.longitude >= 0 ? '_E_' : '_W_' ) +
|
|
'&language=' + language
|
|
) );
|
|
|
|
this.$locationLi.removeClass( 'empty' );
|
|
};
|
|
|
|
/**
|
|
* Set all the image information in the panel
|
|
* @param {mw.mmv.LightboxImage} image
|
|
* @param {mw.mmv.model.Image} imageData
|
|
* @param {mw.mmv.model.Repo} repoData
|
|
* @param {mw.mmv.model.FileUsage} localUsage
|
|
* @param {mw.mmv.model.FileUsage} globalUsage
|
|
* @param {mw.mmv.model.User} user
|
|
*/
|
|
MPP.setImageInfo = function ( image, imageData, repoData, localUsage, globalUsage, user ) {
|
|
var panel = this,
|
|
fileTitle = image.filePageTitle;
|
|
|
|
this.setFileTitle( fileTitle.getNameText() );
|
|
this.setRepoDisplay( repoData );
|
|
this.setFilePageLink( imageData.descriptionUrl );
|
|
|
|
if ( imageData.creationDateTime ) {
|
|
// Use the raw date until moment can try to interpret it
|
|
panel.setDateTime( imageData.creationDateTime );
|
|
|
|
this.formatDate( imageData.creationDateTime ).then( function ( formattedDate ) {
|
|
panel.setDateTime( formattedDate, true );
|
|
} );
|
|
} else if ( imageData.uploadDateTime ) {
|
|
// Use the raw date until moment can try to interpret it
|
|
panel.setDateTime( imageData.uploadDateTime );
|
|
|
|
this.formatDate( imageData.uploadDateTime ).then( function ( formattedDate ) {
|
|
panel.setDateTime( formattedDate );
|
|
} );
|
|
}
|
|
|
|
if ( imageData.source ) {
|
|
this.setSource( imageData.source );
|
|
}
|
|
|
|
if ( imageData.author ) {
|
|
this.setAuthor( imageData.author );
|
|
}
|
|
|
|
this.buttons.set( imageData, repoData );
|
|
this.description.set( imageData.description, image.caption );
|
|
this.categories.set( repoData.getArticlePath(), imageData.categories );
|
|
|
|
this.setLicense( imageData.license, imageData.descriptionUrl );
|
|
|
|
if ( imageData.permission ) {
|
|
this.setPermission( imageData.permission );
|
|
}
|
|
|
|
this.fileUsage.set( localUsage, globalUsage );
|
|
|
|
this.setLocationData( imageData );
|
|
|
|
if ( user ) {
|
|
this.setUserPageLink( repoData, imageData.lastUploader, user.gender );
|
|
}
|
|
|
|
// File reuse steals a bunch of information from the DOM, so do it last
|
|
this.setFileReuseData( imageData, repoData, image.caption );
|
|
};
|
|
|
|
/**
|
|
* Show an error message, in case the data could not be loaded
|
|
* @param {string} error
|
|
*/
|
|
MPP.showError = function ( error ) {
|
|
this.$title.addClass( 'error' )
|
|
.text( mw.message( 'multimediaviewer-metadata-error', error ).text() );
|
|
};
|
|
|
|
/**
|
|
* Transforms a date string into localized, human-readable format.
|
|
* Unrecognized strings are returned unchanged.
|
|
* @param {string} dateString
|
|
* @return {jQuery.Deferred}
|
|
*/
|
|
MPP.formatDate = function ( dateString ) {
|
|
var deferred = $.Deferred(),
|
|
date;
|
|
|
|
mw.loader.using( 'moment', function () {
|
|
date = moment( dateString );
|
|
|
|
if ( date.isValid() ) {
|
|
deferred.resolve( date.format( 'LL' ) );
|
|
} else {
|
|
deferred.resolve( dateString );
|
|
}
|
|
}, function ( error ) {
|
|
deferred.reject( error );
|
|
if ( window.console && window.console.error ) {
|
|
window.console.error( 'mw.loader.using error when trying to load moment', error );
|
|
}
|
|
} );
|
|
|
|
return deferred.promise();
|
|
};
|
|
|
|
/**
|
|
* Animates the metadata area when the viewer is first opened.
|
|
*/
|
|
MPP.animateMetadataOnce = function () {
|
|
if ( !this.hasAnimatedMetadata ) {
|
|
this.hasAnimatedMetadata = true;
|
|
this.$container.addClass( 'invite' );
|
|
}
|
|
};
|
|
|
|
// ********************************
|
|
// ******** Action methods ********
|
|
// ********************************
|
|
|
|
/**
|
|
* Toggles the metadata div being totally visible.
|
|
*/
|
|
MPP.toggle = function ( forceDirection ) {
|
|
var scrollTopWhenOpen = this.$container.outerHeight() - this.$controlBar.outerHeight(),
|
|
scrollTopTarget = $.scrollTo().scrollTop() > 0 ? 0 : scrollTopWhenOpen;
|
|
|
|
if ( forceDirection ) {
|
|
scrollTopTarget = forceDirection === 'down' ? 0 : scrollTopWhenOpen;
|
|
}
|
|
|
|
mw.mmv.logger.log( scrollTopTarget ? 'metadata-open' : 'metadata-close' );
|
|
|
|
$.scrollTo( scrollTopTarget, 400 );
|
|
};
|
|
|
|
/**
|
|
* Handles keydown events for this element.
|
|
*/
|
|
MPP.keydown = function ( e ) {
|
|
switch ( e.which ) {
|
|
case 40:
|
|
// Down arrow
|
|
this.toggle( 'down' );
|
|
e.preventDefault();
|
|
break;
|
|
case 38:
|
|
// Up arrow
|
|
this.toggle( 'up' );
|
|
e.preventDefault();
|
|
break;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Makes sure that the given element (which must be a descendant of the metadata panel) is
|
|
* in view. If it isn't, scrolls the panel smoothly to reveal it.
|
|
* @param {HTMLElement|jQuery|string} target
|
|
* @param {number} [duration] animation length
|
|
* @param {Object} [settings] see jQuery.scrollTo
|
|
*/
|
|
MPP.scrollIntoView = function( target, duration, settings ) {
|
|
var $target = $( target ),
|
|
targetHeight = $target.height(),
|
|
targetTop = $target.offset().top,
|
|
targetBottom = targetTop + targetHeight,
|
|
viewportHeight = $(window).height(),
|
|
viewportTop = $.scrollTo().scrollTop(),
|
|
viewportBottom = viewportTop + viewportHeight;
|
|
|
|
// we omit here a bunch of cases which are logically possible but unlikely given the size
|
|
// of the panel, and only care about the one which will actually happen
|
|
if ( targetHeight <= viewportHeight ) { // target fits into screen
|
|
if (targetBottom > viewportBottom ) {
|
|
$.scrollTo( viewportTop + ( targetBottom - viewportBottom ), duration, settings );
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Receives the window's scroll events and flips the chevron if necessary.
|
|
*/
|
|
MPP.scroll = function () {
|
|
var scrolled = !!$.scrollTo().scrollTop();
|
|
|
|
this.$dragIcon.toggleClass( 'pointing-down', scrolled );
|
|
|
|
if (
|
|
!this.savedHasOpenedMetadata &&
|
|
scrolled &&
|
|
window.localStorage
|
|
) {
|
|
localStorage.setItem( 'mmv.hasOpenedMetadata', true );
|
|
this.savedHasOpenedMetadata = true;
|
|
}
|
|
};
|
|
|
|
mw.mmv.ui.MetadataPanel = MetadataPanel;
|
|
}( mediaWiki, jQuery, OO ) );
|