User:Magnus Manske/smiles gadget.js
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/*
This gadget displays SMILES renderings for chemical compounds,
where the item contains statements for P233 and/or P2017.
Example item: https://www.wikidata.org/wiki/Q105023200
To add this gadget, put the following line on your common.js User subpage:
importScript( 'User:Magnus_Manske/smiles_gadget.js' );
NOTE: This script uses a Toolforge-hosted copy of the JS code from https://github.com/reymond-group/smilesDrawer
*/
function renderSMILES(prop) {
$('#'+prop+' div.wikibase-statementview').each ( function ( dummy , element ) {
let id = 'smiles_'+$(element).attr('id');
let html = '<canvas class="smiles_canvas" id="'+id+'" style="width: 300px; height: 200px;"></canvas>'
$(element).append(html);
let smiles_string = $(element).find('div.wikibase-snakview-value').eq(0).text();
let smilesDrawer = new SmilesDrawer.Drawer({width:300,height:200});
SmilesDrawer.parse(smiles_string, function(tree) {
smilesDrawer.draw(tree, id, "light", false);
});
} ) ;
}
if ( $('#P233, #P2017').length>0 ) {
mw.loader.getScript( '//wikidata-todo.toolforge.org/smiles-drawer.min.js' )
.then(function () {
$('canvas.smiles_canvas').remove();
renderSMILES ( 'P233' ) ;
renderSMILES ( 'P2017' ) ;
}) ;
}