MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */

/* For every span, div, table, td, or th, if that element has the class "pops", then all anchor links (e.g. from [] or [[]] syntax) should  open in a new tab/window. */
$( function() {
     var pops = function( elems ) {
         for (var i=0; i<elems.length; i++) {
             if ( !(' '+elems[i].className+' ').match( / pops / ) ) continue;
             var anchs = elems[i].getElementsByTagName('a');
             for (var j=0; j<anchs.length; j++) anchs[j].target = '_blank';
         }
     };
     var bc = document.getElementById('bodyContent');
     var tags = ['span', 'div', 'table', 'td', 'th'];
     for (var i=0; i<tags.length; i++) pops( bc.getElementsByTagName( tags[i] ) );
 } );





/*Inject a search bar to filter elements in lists, where the list filterer template is used*/
$( function() {
    var filterFunction = function(searchterm) {
	var searchterm = this.parentElement.getElementsByClassName('list-filterer-input')[0].value;
	var searchtarget = this.parentElement.getElementsByClassName(this.getAttribute('data-list'));
	var searchin = searchtarget.length>0?searchtarget:[this.parentElement.parentElement];
	var el = 'li';
	var e = this.parentElement.getElementsByTagName(el);
        for ( var i=0;i<searchin.length;i++) {
			var e = searchin[i].getElementsByTagName(el);
            for ( var i=0;i<e.length;i++ ) {
                if (e[i].title.includes(searchterm) || e[i].textContent.includes(searchterm) ) {
					e[i].style.removeProperty('display');
				} else {
					e[i].style.display='none';
				}
            }
		}
	};
    var s = document.getElementsByClassName('list-filterer');
    for ( var i=0; i<s.length; i++ ) {
        if (s[i].getAttribute('data-ready')) continue;
        var input = document.createElement('input');
        var button = document.createElement('input');
		
        input.setAttribute('class', 'list-filterer-input ' +s[i].getAttribute('class'));
        input.setAttribute('type', 'search');
        input.setAttribute('placeholder', s[i].getAttribute('data-placeholder'));
		
        button.setAttribute('class', 'list-filterer-button ' +s[i].getAttribute('class'));
        button.setAttribute('type', 'submit');
        button.setAttribute('value', s[i].getAttribute('data-value'));
		if (s[i].getAttribute('data-list')) {
		    button.setAttribute('data-list', s[i].getAttribute('data-list'));
		}
		
	    s[i].insertBefore(input, null);
	    s[i].insertBefore(button, null);
		input.onchange = filterFunction;
		button.onclick = filterFunction;
		
        s[i].setAttribute('data-ready', 'ready');
        input.setAttribute('data-ready', 'ready');
        button.setAttribute('data-ready', 'ready');
    }
} );





/*Auto redirect (for template "Preview redirect")*/
if (autoRedirectDiv = document.getElementById('automaticRedirect')) {
    try {
        var targetForRedirect = autoRedirectDiv.getElementsByTagName('a')[0].href
        var timeForRedirect = (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].getInnerHTML())
    } catch (err) {
        console.error(err);
    }
    var intervalId = setInterval(function(){
        try {
            var targetForRedirect = autoRedirectDiv.getElementsByTagName('a')[0].href
            var timeForRedirect = (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].getInnerHTML())
            if (timeForRedirect <= 1 && timeForRedirect > 0) {
                (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].innerHTML = 0);
                console.log('redirecting to: '+targetForRedirect+' now.');
                window.location = targetForRedirect;
            } else {
                (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].innerHTML = timeForRedirect-1);
                console.log('redirecting to: '+targetForRedirect+' in '+timeForRedirect+' second(s).');
            }
        } catch (err) {
            console.error(err);
        }
    }, 1000)
    console.log('redirecting to: '+targetForRedirect+' in '+timeForRedirect+' second(s).');
}




/*Mediawiki editing rules enforcement*/
$( function() {

	var skipEditingCheck = '';
	if ( !$('form.mw-editform' ).length ) {
		skipEditingCheck = true;
		
	} else {
		var checkEditingExcludes = ['MediaWiki:', 'Template:'];
		for ( var i = 0; i < checkEditingExcludes.length; i++ ) {
			if ( $('h1#firstHeading.firstHeading').text().indexOf( checkEditingExcludes[i]) >= 0) {
				skipEditingCheck = 'Article in namespace ' + checkEditingExcludes[i];
				break;
			}
		}
	}
	if (skipEditingCheck) {
		if ( skipEditingCheck !== true ) {
			console.log( 'Skipping the editing style check: '+skipEditingCheck );
		}
		return;
	}
	
	
	var getAllPatternMatches = function(subject, pattern) {
		var results = [];
		var matches = subject.matchAll(pattern);
		var match = null;
		while( match = matches.next() ) {
			if (match.done) {
				break;
			}
			results.push(match.value);
		}
		return results;
	};
	var getSurroundingText = function(subject, startIndex, length) {
		var buffer = 40
		var start = Math.max(0, startIndex-buffer);
		var end = Math.min(subject.length, startIndex+length+buffer);
		return subject.substring(start, end);
	};

	var getEditingRulesHits = function(content) {
		var results = {};
		for (var ruleName in rules) {
			var rule = rules[ruleName];
			var newResults = [];
			if (rule['regex']) {
				var newResults = getAllPatternMatches(content, rule['regex']);
			}
			if ( newResults.length > 0 ) {
				for (var resultIndex in newResults) {
					var result = newResults[resultIndex];
					result['surroundingText'] = getSurroundingText(content, result['index'], result[0].length);
				}
				results[ruleName] = newResults;
			}
		}
		return results;
	};

	var convertResultsToDom = function(results) {
		var $output = $('<div class=\'editResults\'></div>');
		if ( Object.values(results).length > 0 ) {
			for (var resultName in results) {
				var rule = rules[resultName];
				var text = rule['error'] ? rule['error'] : rule['warning'];
				$results = $('<div></div>');
				$results.append('<span class=\'editResultsHeader\'></span>').text(text);
				
				var ruleResults = results[resultName];
		
				for (var resultIndex in ruleResults) {
			var result = ruleResults[resultIndex];
					var stringResult = result.surroundingText;
					$results.append( $('<p></p>').text(stringResult) );
				}
				$output.append($results);
			}
		}
		return $output;
	};

	var addResultsToDom = function( results ) {
		var $dom = convertResultsToDom( results );
		$('.editButtons').find('.editResults').remove();
		$('.editButtons').prepend( $dom );
	};

	var checkAndReportRules = function( content ) {
		var content = $('textarea').val();
		var results = getEditingRulesHits( content );
		addResultsToDom( results );
		return Object.values(results).length);
	};
	
	var addRulesOverrideCheckboxToDom = function(  ) {
		var $overrideCheckbox = $('#mw-editpage-watch').clone();
		console.log($overrideCheckbox);
		removeRulesOverrideCheckboxFromDom();
		$('#mw-editpage-watch').parent().find( '#mw-editpage-overridechecks' ).remove();
		$('#mw-editpage-watch').parent().append($overrideCheckbox);
	};
	var removeRulesOverrideCheckboxFromDom = function(  ) {
		$('#mw-editpage-watch').parent().find( '#mw-editpage-overridechecks' ).remove();
	};
	
	var submitCheckRules = function() {
		var doSubmit = true
		if ( $('#mw-editpage-overridechecks').find(':checked').length ===0 ) {
			var content = $('textarea').val();
			var results = getEditingRulesHits( content );
			addResultsToDom( results );
			doSubmit = results.length === 0;
		}
		if (!doSubmit) {
			addRulesOverrideCheckboxToDom();
		}
		
		return doSubmit;
	};
	
	var rules = {
			'Avoid <br>': { 'regex': /(<br(\s[^>]*)*>(\s)*)+/ig, 'warning':'There is an instance of a manual <br>.'}
		};
	
		$('form.mw-editform').on('submit', function(){
			var doSubmit = submitCheckRules();
			console.log( 'Result from checking editing rules: '+doSubmit );
			return doSumbit;
		});
		console.log('Editing style checking enabled.');
});