MediaWiki:Gadget-ElementosOcultaveis.js

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/**
 * Permite ocultar o conteúdo de tabelas, mostrando apenas o cabeçalho. Ver [[:en:Help:Collapsing]].
 * Ver [[:en:Wikipédia:NavFrame]].
 * @author: [[User:R. Koot]]
 * TODO: Remover este gadget quando as predefinições forem adaptadas
 * para usar [[mw:ResourceLoader/Default_modules#jQuery.makeCollapsible]]
 */
/*global mw, $ */
/*jshint curly:false, eqnull:true, strict:false, browser:true */
var autoCollapse = 2;
var collapseCaption = 'Esconder';
var expandCaption = 'Expandir';

window.collapseTable = function ( tableIndex ) {
	var Button = document.getElementById( 'collapseButton' + tableIndex );
	var Table = document.getElementById( 'collapsibleTable' + tableIndex );

	if ( !Table || !Button ) {
		return false;
	}

	var Rows = Table.rows;
	var i;
	var $row0 = $(Rows[0]);

	if ( Button.firstChild.data === collapseCaption ) {
		for ( i = 1; i < Rows.length; i++ ) {
		Rows[i].style.display = 'none';
		}
		Button.firstChild.data = expandCaption;
	} else {
		for ( i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = $row0.css( 'display' );
		}
		Button.firstChild.data = collapseCaption;
	}
};

function createCollapseButtons() {
	var tableIndex = 0;
	var NavigationBoxes = {};
	var Tables = document.getElementsByTagName( 'table' );
	var i;

	function handleButtonLink( index, e ) {
		window.collapseTable( index );
		e.preventDefault();
	}

	for ( i = 0; i < Tables.length; i++ ) {
		if ( $( Tables[i] ).hasClass( 'collapsible' ) && !$( Tables[i] ).hasClass( 'mw-collapsible' ) ) {

		/* only add button and increment count if there is a header row to work with */
		var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
		if ( !HeaderRow ) continue;
		var Header = HeaderRow.getElementsByTagName( 'th' )[0];
		if ( !Header ) continue;

		NavigationBoxes[ tableIndex ] = Tables[i];
		Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );

		var Button     = document.createElement( 'span' );
		var ButtonLink = document.createElement( 'a' );
		var ButtonText = document.createTextNode( collapseCaption );

		Button.className = 'collapseButton';  /* Styles are declared in Common.css */

		ButtonLink.style.color = Header.style.color;
		ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
		ButtonLink.setAttribute( 'href', '#' );
		$( ButtonLink ).on( 'click', $.proxy( handleButtonLink, ButtonLink, tableIndex ) );
		ButtonLink.appendChild( ButtonText );

		Button.appendChild( document.createTextNode( '[' ) );
		Button.appendChild( ButtonLink );
		Button.appendChild( document.createTextNode( ']' ) );

		Header.insertBefore( Button, Header.firstChild );
		tableIndex++;
		}
	}

	for ( i = 0;  i < tableIndex; i++ ) {
		if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) || ( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) ) ) {
			window.collapseTable( i );
		}
		else if ( $( NavigationBoxes[i] ).hasClass ( 'innercollapse' ) ) {
			var element = NavigationBoxes[i];
			while ((element = element.parentNode)) {
				if ( $( element ).hasClass( 'outercollapse' ) ) {
					window.collapseTable ( i );
					break;
				}
			}
		}
	}
}

mw.hook( 'wikipage.content' ).add( createCollapseButtons );

/**
 * Barras de navegação dinâmicas (experimental)
 * Ver [[Wikipédia:NavFrame]].
 * @author: UNMAINTAINED
 * TODO: Remover este gadget quando as predefinições forem adaptadas
 * para usar [[mw:ResourceLoader/Default modules#jQuery.makeCollapsible]]
 */

/* set up the words in your language */
var NavigationBarHide = '[' + collapseCaption + ']';
var NavigationBarShow = '[' + expandCaption + ']';

/**
* Shows and hides content and picture (if available) of navigation bars
* Parameters:
*     indexNavigationBar: the index of navigation bar to be toggled
**/
window.toggleNavigationBar = function ( indexNavigationBar, event ) {
	var NavToggle = document.getElementById( 'NavToggle' + indexNavigationBar );
	var NavFrame = document.getElementById( 'NavFrame' + indexNavigationBar );
	var NavChild;

	if ( !NavFrame || !NavToggle ) {
		return false;
	}

	/* if shown now */
	if ( NavToggle.firstChild.data === NavigationBarHide ) {
		for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
			if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
				NavChild.style.display = 'none';
			}
		}
	NavToggle.firstChild.data = NavigationBarShow;

	/* if hidden now */
	} else if ( NavToggle.firstChild.data === NavigationBarShow ) {
		for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
			if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
				NavChild.style.display = 'block';
			}
		}
		NavToggle.firstChild.data = NavigationBarHide;
	}
	event.preventDefault();
};

/* adds show/hide-button to navigation bars */
function createNavigationBarToggleButton() {
	var indexNavigationBar = 0;
	var NavFrame;
	var NavChild;
	/* iterate over all < div >-elements */
	var divs = document.getElementsByTagName( 'div' );
	for ( var i = 0; (NavFrame = divs[i]); i++ ) {
		/* if found a navigation bar */
		if ( $( NavFrame ).hasClass( 'NavFrame' ) && !$( NavFrame ).hasClass( 'mw-collapsible' ) ) {

		indexNavigationBar++;
		var NavToggle = document.createElement( 'a' );
		NavToggle.className = 'NavToggle';
		NavToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
		NavToggle.setAttribute( 'href', '#' );
		$( NavToggle ).on( 'click', $.proxy( window.toggleNavigationBar, window, indexNavigationBar ) );

		var isCollapsed = $( NavFrame ).hasClass( 'collapsed' );
		/**
		* Check if any children are already hidden.  This loop is here for backwards compatibility:
		* the old way of making NavFrames start out collapsed was to manually add style="display:none"
		* to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
		* the content visible without JavaScript support), the new recommended way is to add the class
		* "collapsed" to the NavFrame itself, just like with collapsible tables.
		*/
		for ( NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling ) {
			if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( 'NavContent' ) ) {
			if ( NavChild.style.display === 'none' ) {
				isCollapsed = true;
			}
			}
		}
		if ( isCollapsed ) {
			for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
			if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( 'NavContent' ) ) {
				NavChild.style.display = 'none';
			}
			}
		}
		var NavToggleText = document.createTextNode( isCollapsed ? NavigationBarShow : NavigationBarHide );
		NavToggle.appendChild( NavToggleText );

		/* Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked) */
		for( var j = 0; j < NavFrame.childNodes.length; j++ ) {
			if ( $( NavFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
			NavToggle.style.color = NavFrame.childNodes[j].style.color;
			NavFrame.childNodes[j].appendChild( NavToggle );
			}
		}
		NavFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
		}
	}
}

mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );