Porod: 1 Version importiert: gallerypreview

2015-07-21T11:37:20Z

1 Version importiert: gallerypreview

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/**
* JavaScript-based gallery preview using api.php
* Version 0.2
* (c) 2007 by Magnus Manske
* Released under GPL
* Maintainers: [[User:Magnus Manske]], [[User:Krinkle]]
**/

/*global mediaWiki:false, jQuery:false*/
/*jshint curly:false, laxbreak:true*/
(function( $, mw ) {
'use strict';

// Install onload handler, which will display the link to start the script
if ( mw.config.get('wgNamespaceNumber') !== 6 || mw.config.get('wgAction') !== 'view' || mw.util.getParamValue('diff')) {
return;
}

var gp_div, gp_head, gp_status,
gp_xmlobjects,
gp_cat_object,
gp_cat_object2,
gp_image_xml,
gp_counter,
gp_left,
gp_found,
gp_found2,
gp_size = 75,
gp_maxw;

// Avoid license categories etc.
var gp_avoid_cats = [
'CC-',
'PD-',
'PD ',
'GPL',
'Self',
'GFDL',
'Copyrighted free use',
'Media with locations',
'Deletion',
'Incomplete deletion',
'Flickr review needed',
'Flickr images needing human review',
'User-created GFDL images',
'Images without source',
'Images that should use vector graphics',
'Uploaded with UploadWizard',
'Author died more than',
'License migration',
'Images with annotations'
];

// Handler to toggle the listing of hits for a single language/project
window.toggle_id = function ( id ) {
var e = document.getElementById( id );
if ( e.style.display === 'none' ) e.style.display = 'block';
else e.style.display = 'none';
};

function gp_check_done() {
var i;
for ( i = 0; i < gp_xmlobjects.length; i++ ) {
if ( gp_xmlobjects[i].running ) return;
}
for ( i = 0; i < gp_image_xml.length; i++ ) {
if ( gp_image_xml[i].running ) return;
}
gp_head.innerHTML = '<a href="#" style="float:right;" onClick="toggle_id(\'gallerypreview\');">Show/hide preview</a>Done.';
}

function get_thumbnail_url( url, width ) {
url = url.replace( '/commons/', '/commons/thumb/' );
var iname = url.split( '/' ).pop();
url += '/' + width + 'px-' + iname;
gp_check_done();
return url;
}

function gp_image_callback() {
for ( var i = 0; i < gp_image_xml.length; i++ ) {
if (gp_image_xml[i].readyState === 4 && gp_image_xml[i].running === true ) {
gp_image_xml[i].running = false;
var xml = gp_image_xml[i].responseXML;
var image = xml.getElementsByTagName( 'ii' )[0];
// Deleted/ hidden revision, ...
if (!image) continue;
var width = image.getAttribute( 'width' );
var height = image.getAttribute( 'height' );

var nw = gp_size;
var nh = nw / width * height;
var off = ' style="position:relative; overflow:hidden;';
if ( nh < gp_size ) {
nh = gp_size;
nw = nh / height * width;
var xoff = -( nw - gp_size )/2;
off += 'left:' + Math.floor( xoff ) + 'px;';
}
if ( nh > gp_size ) {
var yoff = -( nh - gp_size )/2;
off += 'top:' + Math.floor( yoff ) + 'px;';
}
off += '" ';

var url = get_thumbnail_url( image.getAttribute( 'url' ), Math.floor(nw) );

var target = document.getElementById(gp_image_xml[i].myid);
target.innerHTML = "<div style='overflow:hidden;width:75px;height:75px'><a href=\"" + mw.util.wikiGetlink(gp_image_xml[i].image) + "\"><img border='0' " + off + "src=\"" + url + "\"/></a></div>";
gp_check_done();
}
}
gp_check_done();
}

function gp_add_thumbnail( image ) {
var myid = 'gpid_' + gp_counter;
gp_counter += 1;
var ret = "<td id='" + myid + "' style='overflow:hidden;width:75px;height:75px;font-size:75%;text-align:left;color:white";
if ( image === '' ) {
ret += ";background-color:#BBBBBB'>";
ret += 'No other files here';
} else {
ret += "'>";
}
ret += '</td>';

if ( image === '' ) return ret;

var url = mw.util.wikiScript( 'api' ) + '?' + $.param({
format: 'xml',
action: 'query',
prop: 'imageinfo',
iiprop: 'url|size',
titles: image
});
var i = gp_image_xml.length;
gp_image_xml.push( new XMLHttpRequest() );
gp_image_xml[i].image = image;
gp_image_xml[i].myid = myid;
gp_image_xml[i].running = true;
gp_image_xml[i].onreadystatechange = gp_image_callback;
gp_image_xml[i].open( 'GET', url, true );
gp_image_xml[i].send( null );

gp_check_done();
return ret;
}

function categorypreview_callback() {
var i, k;
for ( i = 0; i < gp_xmlobjects.length; i++ ) {
if ( gp_xmlobjects[i].readyState === 4 && gp_xmlobjects[i].running === true ) {

gp_xmlobjects[i].running = false;

var xml = gp_xmlobjects[i].responseXML,
cat = gp_xmlobjects[i].category,
ts = gp_xmlobjects[i].timestamp,
out =
'<div id="' + mw.html.escape(cat) + '" style="background-color:#FFFF7E; width:' + gp_maxw + 'px">'
+ '<a href="' + mw.util.wikiGetlink(mw.config.get('wgFormattedNamespaces')[14] + ':' + cat) + '"><b>' + mw.html.escape(cat) + '</b></a><br/>',
pages = xml.getElementsByTagName( 'cm' ),
before = '00000000000000',
after = '99999999999999',
before_image = '',
after_image = '';

for ( k = 0; k < pages.length; k++ ) {
var page = pages[k],
its = page.getAttribute( 'timestamp' ),
image = page.getAttribute( 'title' );

if ( its === '' ) {
// No timestamp here
continue;
}
if ( its < ts && its > before ) {
before = its; before_image = image;
}
if ( its > ts && its < after ) {
after = its; after_image = image;
}
}

out += '<table border="0" style="width: 100%;"><tr>';
out += gp_add_thumbnail( before_image );
out += gp_add_thumbnail( after_image );
out += "<td style='color:#BBBBBB;background-color:white;text-align:center'><b>";
if ( pages.length === 500 ) {
out += ">500";
} else {
out += pages.length;
}
out += '</b><br/>files in category</td>';
out += '</tr></table>';

out += '</div>';
gp_div.innerHTML += out;
gp_check_done();
}
}
gp_check_done();
}

function gallerypreview_callback() {
var i, k;
for ( i = 0; i < gp_xmlobjects.length; i++ ) {
if ( gp_xmlobjects[i].readyState === 4 && gp_xmlobjects[i].running === true ) {

gp_xmlobjects[i].running = false;

var pn = mw.config.get('wgPageName').split( '_' ).join( ' ' ),
xml = gp_xmlobjects[i].responseXML,
gal = gp_xmlobjects[i].gallery,
out =
"<div id='" + mw.html.escape(gal) + "' style='background-color:#BCED91;width:" + gp_maxw + "px'>"
+ '<a href="' + mw.util.wikiGetlink(gal) + '"><b>' + mw.html.escape(gal) + '</b></a><br/>',
pages = xml.getElementsByTagName( 'im' ),
before_image = '',
after_image = '';

for ( k = 0; k < pages.length; k++ ) {
var page = pages[k],
image = page.getAttribute( 'title' );

if ( image > before_image && image < pn) {
before_image = image;
}
if ( ( after_image === '' || image < after_image ) && image > pn) {
after_image = image;
}
}

out += '<table border="0" style="width: 100%;"><tr>';
out += gp_add_thumbnail( before_image );
out += gp_add_thumbnail( after_image );
out += '<td style="color:#BBBBBB; background-color:white; text-align:center;"><b>';
if ( pages.length === 500 ) {
out += '>500';
} else {
out += pages.length;
}
out += '</b><br/>files in gallery</td>';
out += '</tr></table>';

out += '</div>';
gp_div.innerHTML += out;
gp_check_done();
}
}
gp_check_done();
}

// Prepares a new query and adds it to the list
function add_categorypreview_task( category, timestamp ) {
// Remove the first part before the colon
category = category.split( ':' );
category.shift();
category = category.join( ':' );

if ( timestamp === '' ) {
// No timestamp, no point in looking further
return;
}

for ( var i = 0; i < gp_avoid_cats.length; i++ ) {
var s = gp_avoid_cats[i];
if ( category.substr( 0, s.length ) === s ) return;
}

var url = mw.util.wikiScript( 'api' ) + '?' + $.param({
format: 'xml',
action: 'query',
list: 'categorymembers',
cmlimit: 500,
cmnamespace: 6,
cmprop: 'ids|title|timestamp',
cmtitle: 'Category:' + category
});
i = gp_xmlobjects.length;
gp_left = gp_left + 1;
gp_found = true;
gp_xmlobjects.push( new XMLHttpRequest() );
gp_xmlobjects[i].gallery = '';
gp_xmlobjects[i].category = category;
gp_xmlobjects[i].timestamp = timestamp;
gp_xmlobjects[i].onreadystatechange = categorypreview_callback;
gp_xmlobjects[i].running = true;
gp_xmlobjects[i].open( 'GET', url, true );
gp_xmlobjects[i].send( null );
}

// Prepares a new query and adds it to the list
function add_gallerypreview_task( gallery ) {

for ( var i = 0; i < gp_avoid_cats.length; i++ ) {
var s = gp_avoid_cats[i];
if ( gallery.substr( 0, s.length ) === s ) return;
}

var url = mw.util.wikiScript( 'api' ) + '?' + $.param({
format: 'xml',
action: 'query',
prop: 'images',
titles: gallery
});

i = gp_xmlobjects.length;
gp_left = gp_left + 1;
gp_found2 = true;
gp_xmlobjects.push( new XMLHttpRequest() );
gp_xmlobjects[i].gallery = gallery;
gp_xmlobjects[i].category = '';
gp_xmlobjects[i].onreadystatechange = gallerypreview_callback;
gp_xmlobjects[i].running = true;
gp_xmlobjects[i].open( 'GET', url, true );
gp_xmlobjects[i].send( null );
}

function handle_category_list() {
if ( gp_cat_object.readyState === 4 ) {

var xml = gp_cat_object.responseXML;
var cps = xml.getElementsByTagName('cl');
for ( var i = 0; i < cps.length; i++ ) {
var il = cps[i];
var ns = il.getAttribute('ns');
if ( ns !== null && ns !== '14' ) continue; // Not a category. Strange.
var ts = il.getAttribute('timestamp');
var cat = il.getAttribute('title');
add_categorypreview_task( cat, ts );
}
if ( gp_found === false ) gp_status.innerHTML += "<div style='color:CD0000'>No non-trivial categories found. <a href='//commons.wikimedia.org/wiki/Categories#Categorizing_your_uploads'>Please add some</a>.</div>";
}
}

function handle_gallery_list() {
if ( gp_cat_object2.readyState === 4 ) {
var xml = gp_cat_object2.responseXML;
var ils = xml.getElementsByTagName('iu');
for ( var i = 0; i < ils.length; i++ ) {
var il = ils[i];
var ns = il.getAttribute('ns');
if ( ns !== null && ns !== '0' ) continue; // Not gallery namespace
var gallery = il.getAttribute('title');
add_gallerypreview_task( gallery );
}
if ( gp_found2 === false ) gp_status.innerHTML += '<div style="color:#CD0000;">No galleries found.</div>';
}
}

function gp_get_category_list( page ) {
gp_cat_object = new XMLHttpRequest();
var url = mw.util.wikiScript( 'api' ) + '?' + $.param({
format: 'xml',
action: 'query',
prop: 'categories',
clprop: 'timestamp',
titles: page
});
gp_cat_object.onreadystatechange = handle_category_list;
gp_cat_object.open( 'GET', url, true );
gp_cat_object.send( null );
}

function gp_get_gallery_list( page ) {
gp_cat_object2 = new XMLHttpRequest();
var url = mw.util.wikiScript( 'api' ) + '?' + $.param({
format: 'xml',
action: 'query',
list: 'imageusage',
iutitle: page,
iunamespace: 0 // Gallery namespace (NS_MAIN=0)
});
gp_cat_object2.onreadystatechange = handle_gallery_list;
gp_cat_object2.open( 'GET', url, true );
gp_cat_object2.send( null );
}

// Initializes the run of the script and prepares/starts the queries
function run_gallerypreview() {
gp_head = document.getElementById('gp_head');
gp_status = document.getElementById('gp_status');
gp_counter = 0;
gp_left = 0;
gp_found = false;
gp_found2 = false;
gp_div.style.width = '250px';
gp_div.style.border = '1px solid #AAAAAA';
gp_image_xml = [];
// gp_head.innerHTML = '';
gp_xmlobjects = [];
gp_get_gallery_list( mw.config.get('wgPageName') );
gp_get_category_list( mw.config.get('wgPageName') );
}

// Onload handler
// Adds div section with id gallerypreview
function init_gallery_preview() {
gp_maxw = ( gp_size + 10 ) * 3;
var file_div = document.getElementById('file');
if( !file_div ) return;
var file_div_parent = file_div.parentNode;

var dummy = document.createElement( 'div' );
file_div_parent.insertBefore( dummy, file_div );
dummy.innerHTML = '<div id="gallerypreview_container" style="border:1px solid #AAAAAA; float:right; max-width:' + gp_maxw + 'px; width:' + gp_maxw + 'px">' +
'<div id="gp_head" style="background-color:#AAAAFF; padding:2px; border:1px solid #AAAAAA; display:block;"><span style="color:#FFFF99;">Loading…</span></div>' +
'<div id="gallerypreview" style="display:block; width:' + gp_maxw + 'px"></div>' +
'<div id="gp_status" style="border:1px solid #AAAAAA; padding:2px;"></div>' +
'</div>';

gp_div = document.getElementById( 'gallerypreview' );
while ( gp_div.firstChild ) gp_div.removeChild( gp_div.firstChild );
gp_maxw -= 2;
setTimeout( function() {
run_gallerypreview();
}, 10 );
}

$(document).ready( init_gallery_preview );

})(jQuery, mediaWiki);

MediaWiki:Gadget-Gallerypreview.js - Versionsgeschichte

Porod: 1 Version importiert: gallerypreview