User:Polygnotus/Scripts/VEbutton.js

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Documentation for this user script can be added at User:Polygnotus/Scripts/VEbutton.

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 // Add a custom button to Wikipedia's Visual Editor
 // Add this code to your common.js page on Wikipedia
 // (e.g., https://en.wikipedia.org/wiki/User:YourUsername/common.js)

 // Wait for the VisualEditor to be ready
 mw.loader.using(['ext.visualEditor.desktopArticleTarget']).then(function(){
 mw.hook('ve.activationComplete').add(function(){
 console.log('VE activation hook fired');

 // Wait a bit for the toolbar to fully initialize
 setTimeout(function(){
 addHelloWorldButton();
 },1000);

 // Also add the button when the surface is ready
 if(typeofve!=='undefined'&&ve.init&&ve.init.target){
 ve.init.target.on('surfaceReady',function(){
 console.log('Surface ready event fired');
 addHelloWorldButton();
 });
 }
 });
 });

 functionaddHelloWorldButton(){
 console.log('Attempting to add Hello World button');

 // Check if our button already exists to avoid duplicates
 if($('.oo-ui-tool-name-helloWorldTool').length){
 console.log('Hello World button already exists');
 return;
 }

 // Create a proper new group for our button
 var$toolGroup=$('<div>')
 .addClass('ve-ui-toolbar-group-hello oo-ui-widget oo-ui-toolGroup oo-ui-barToolGroup oo-ui-widget-enabled')
 .attr('title','Hello World Button');

 var$toolsContainer=$('<div>')
 .addClass('oo-ui-toolGroup-tools oo-ui-barToolGroup-tools oo-ui-toolGroup-enabled-tools')
 .appendTo($toolGroup);

 // Create the button itself matching other buttons' structure
 var$button=$('<span>')
 .addClass('oo-ui-widget oo-ui-iconElement oo-ui-tool-with-icon oo-ui-tool oo-ui-tool-name-helloWorldTool oo-ui-widget-enabled')
 .appendTo($toolsContainer);

 // Create the link element
 var$link=$('<a>')
 .addClass('oo-ui-tool-link')
 .attr('role','button')
 .attr('tabindex','0')
 .attr('title','Hello World Button')
 .appendTo($button);

 // Add the icon structure
 $('<span>')
 .addClass('oo-ui-tool-checkIcon oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement oo-ui-iconElement-icon oo-ui-icon-check oo-ui-labelElement-invisible oo-ui-iconWidget')
 .appendTo($link);

 $('<span>')
 .addClass('oo-ui-iconElement-icon oo-ui-icon-star')
 .appendTo($link);

 $('<span>')
 .addClass('oo-ui-tool-title')
 .text('Hello')
 .appendTo($link);

 // Add click event to show alert
 $button.on('click',function(e){
 e.preventDefault();
 e.stopPropagation();
 alert('hello world');
 });

 // Insert our group at an appropriate location in the toolbar
 // Find the structure or insert group to add after
 var$insertPosition=$('.ve-ui-toolbar-group-structure, .ve-ui-toolbar-group-format').last();

 if($insertPosition.length){
 $toolGroup.insertAfter($insertPosition);
 console.log('Button added successfully after',$insertPosition.attr('class'));
 }else{
 // Fallback: add to main toolbar
 $('.oo-ui-toolbar-tools').first().append($toolGroup);
 console.log('Button added to main toolbar');
 }
 }

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