mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-11-24 16:23:49 +00:00
106 lines
2.9 KiB
JavaScript
106 lines
2.9 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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/**
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* @class mw.mmv.provider.ImageInfo
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* Gets file information.
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* See https://www.mediawiki.org/wiki/API:Properties#imageinfo_.2F_ii
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* @extends mw.mmv.provider.Api
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* @inheritdoc
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* @param {mw.Api} api
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* @param {Object} [options]
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* @param {string} [options.language] image metadata language
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*/
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function ImageInfo( api, options ) {
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options = $.extend( {
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language: null
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}, options );
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mw.mmv.provider.Api.call( this, api, options );
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}
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oo.inheritClass( ImageInfo, mw.mmv.provider.Api );
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/**
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* List of imageinfo API properties which are needed to construct an Image model.
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* @type {string}
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*/
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ImageInfo.prototype.iiprop = [
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'timestamp',
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'user',
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'url',
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'size',
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'mime',
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'mediatype',
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'extmetadata'
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].join('|');
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/**
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* List of imageinfo extmetadata fields which are needed to construct an Image model.
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* @type {string}
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*/
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ImageInfo.prototype.iiextmetadatafilter = [
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'DateTime',
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'DateTimeOriginal',
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'ImageDescription',
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'License',
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'Credit',
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'Artist',
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'GPSLatitude',
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'GPSLongitude',
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'Categories'
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].join('|');
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/**
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* @method
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* Runs an API GET request to get the image info.
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* @param {mw.Title} file
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* @return {jQuery.Promise} a promise which resolves to an mw.mmv.model.Image object.
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*/
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ImageInfo.prototype.get = function( file ) {
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var provider = this,
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cacheKey = file.getPrefixedDb();
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if ( !this.cache[cacheKey] ) {
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this.cache[cacheKey] = this.api.get( {
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action: 'query',
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prop: 'imageinfo',
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titles: file.getPrefixedDb(),
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iiprop: this.iiprop,
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iiextmetadatafilter: this.iiextmetadatafilter,
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iiextmetadatalanguage: this.options.language,
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format: 'json'
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} ).then( function( data ) {
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return provider.getQueryPage( file, data );
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} ).then( function( page ) {
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if ( page.imageinfo && page.imageinfo.length ) {
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return mw.mmv.model.Image.newFromImageInfo( file, page );
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} else if ( page.missing === '' && page.imagerepository === '' ) {
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return $.Deferred().reject( 'file does not exist: ' + file.getPrefixedDb() );
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} else {
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return $.Deferred().reject( 'unknown error' );
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}
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} );
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}
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return this.cache[cacheKey];
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};
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mw.mmv.provider.ImageInfo = ImageInfo;
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}( mediaWiki, OO, jQuery ) );
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