| Index: trunk/extensions/UploadWizard/resources/mw.ApiQueryImageInfo.js |
| — | — | @@ -0,0 +1,79 @@ |
| | 2 | +/** |
| | 3 | + * Library to assist with fetching images |
| | 4 | + * Abstracted out of some code which was in mw.UploadWizard which is no longer necessary. |
| | 5 | + * This may have a number of bugs, as I'm just leaving it here to save the functionality, it's not yet used in anything |
| | 6 | + */ |
| | 7 | +( function( mw, $ ) { |
| | 8 | + |
| | 9 | + $.extend( mw.Api.prototype, { |
| | 10 | + |
| | 11 | + /** |
| | 12 | + * Get information about an image. |
| | 13 | + * TODO the API can handle multiple titles, this assumes only one |
| | 14 | + * @param {mw.Title} title of the image |
| | 15 | + * @param {Array} properties: array of strings of properties wanted (see api documentation) |
| | 16 | + * @param {Object} extraParams: parameters (such as width; not needed for all calls). |
| | 17 | + * @param {Function} ok: success callback, takes a javascript object like imageinfo results (see API Docs) |
| | 18 | + * @param {Function} err: error callback |
| | 19 | + */ |
| | 20 | + getImageInfo: function( title, properties, extraParams, ok, err ) { |
| | 21 | + var params = { |
| | 22 | + 'prop': 'imageinfo', |
| | 23 | + 'titles': title.toString() |
| | 24 | + }; |
| | 25 | + if ( mw.isDefined( extraParams.width ) ) { |
| | 26 | + params['iiurlwidth'] = extraParams.width; |
| | 27 | + } |
| | 28 | + params.iiprop = properties.join( '|' ); |
| | 29 | + |
| | 30 | + var success = function( data ) { |
| | 31 | + if ( !data || !data.query || !data.query.pages ) { |
| | 32 | + return; |
| | 33 | + } |
| | 34 | + |
| | 35 | + var foundImageInfo = false; |
| | 36 | + $j.each( data.query.pages, function( id, page ) { |
| | 37 | + if ( page.imageinfo && page.imageinfo.length ) { |
| | 38 | + var imageinfo = page.imageinfo[0]; |
| | 39 | + ok( imageinfo ); |
| | 40 | + foundImageInfo = true; |
| | 41 | + return false; |
| | 42 | + } |
| | 43 | + } ); |
| | 44 | + |
| | 45 | + if ( ! foundImageInfo ) { |
| | 46 | + err( data ); |
| | 47 | + } |
| | 48 | + }; |
| | 49 | + |
| | 50 | + this.get( params, { ok: ok, err: err } ); |
| | 51 | + }, |
| | 52 | + |
| | 53 | + /** |
| | 54 | + * Get information about the thumbnail of an image. |
| | 55 | + * @param {mw.Title} title of the image |
| | 56 | + * @param {Number} width desired |
| | 57 | + * @param {Function} execute on success, taking an object with the properties of src, width, height |
| | 58 | + * @param {Function} to execute if error encountered |
| | 59 | + */ |
| | 60 | + getThumbnail: function( title, width, ok, err ) { |
| | 61 | + |
| | 62 | + var extraParams = { 'width': width }; |
| | 63 | + var properties = [ 'url', 'size' ]; |
| | 64 | + |
| | 65 | + var success = function( imageinfo ) { |
| | 66 | + ok( { |
| | 67 | + 'src': imageinfo.thumburl, |
| | 68 | + 'width': imageinfo.thumbwidth, |
| | 69 | + 'height': imageinfo.thumbheight |
| | 70 | + } ); |
| | 71 | + }; |
| | 72 | + |
| | 73 | + this.getImageInfo( title, properties, extraParams, success, err ); |
| | 74 | + } |
| | 75 | + |
| | 76 | + } ); |
| | 77 | + |
| | 78 | +}) ( window.mw, jQuery ); |
| | 79 | + |
| | 80 | + |
| Property changes on: trunk/extensions/UploadWizard/resources/mw.ApiQueryImageInfo.js |
| ___________________________________________________________________ |
| Added: svn:eol-style |
| 1 | 81 | + native |