MediaWiki:Gadget-PrintOptions.js
/**
* Print options is a Gadget writen by Derk-Jan Hartman / User:TheDJ
* For more information see User:TheDJ/Print_options
*
* Licensed MIT and/or CC-by-SA 4.0
*
* Copyright (c) 2010-2017 Derk-Jan Hartman / User:TheDJ
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
( function () {
'use strict';
var windowManager;
var printDialog;
var printOptions = {
install: function () {
var $printLink = $( '#t-print a' );
if ( $printLink.length === 0 ) {
return;
}
$printLink
.text( 'Print page' )
.off( 'click' )
.get( 0 ).addEventListener( 'click', function ( e ) {
mw.loader.using( [ 'oojs-ui-core', 'oojs-ui-widgets', 'oojs-ui-windows' ] ).done( printOptions.createWindow );
e.stopPropagation();
e.preventDefault();
}, true ); // Use capturing phase, to beat the other click handler
// Late pre-loading
mw.loader.load( [ 'oojs-ui-core', 'oojs-ui-widgets', 'oojs-ui-windows' ] );
},
createWindow: function () {
function PrintDialog( config ) {
PrintDialog.super.call( this, config );
}
OO.inheritClass( PrintDialog, OO.ui.ProcessDialog );
PrintDialog.static.name = 'printdialog';
PrintDialog.static.title = 'Print this page';
PrintDialog.static.actions = [
{ action: 'print', label: 'Print', flags: 'primary' },
{ label: 'Cancel', flags: 'safe' }
];
PrintDialog.prototype.initialize = function () {
var checkbox, fieldset = [];
PrintDialog.super.prototype.initialize.apply( this, arguments );
this.panel = new OO.ui.PanelLayout( { padded: true, expanded: false } );
this.content = new OO.ui.FieldsetLayout();
for ( var i = 0; i < printOptions.questions.length; i++ ) {
if ( printOptions.questions[ i ].type === 'checkbox' ) {
checkbox = new OO.ui.CheckboxInputWidget( {
selected: printOptions.questions[ i ].checked
} );
printOptions.questions[ i ].widget = checkbox;
fieldset.push( new OO.ui.FieldLayout( checkbox, { label: printOptions.questions[ i ].label, align: 'inline' } ) );
}
}
this.content.addItems( fieldset );
this.panel.$element.append( this.content.$element );
this.$body.append( this.panel.$element );
};
PrintDialog.prototype.getActionProcess = function ( action ) {
var dialog = this;
if ( action === 'print' ) {
return new OO.ui.Process( function () {
// Get values of checkboxes
var question;
for ( var i = 0; i < printOptions.questions.length; i++ ) {
question = printOptions.questions[ i ];
if ( question.type === 'checkbox' && question.widget ) {
printOptions[ question.returnvalue ] = question.widget.isSelected();
}
}
dialog.close( { action: action } ).done( function () {
printOptions.changePrintCSS();
printOptions.otherEnhancements();
window.print();
window.location = window.location;
} );
} );
}
return PrintDialog.super.prototype.getActionProcess.call( this, action );
};
if ( !windowManager ) {
windowManager = new OO.ui.WindowManager();
$( 'body' ).append( windowManager.$element );
}
if ( !printDialog ) {
printDialog = new PrintDialog( {
size: 'medium'
} );
windowManager.addWindows( [ printDialog ] );
}
windowManager.openWindow( printDialog );
},
changePrintCSS: function () {
/* Here we:
- disable stylesheets that are print specific
- make screen specific stylesheets also enabled for print medium
- remove print specific stylerules
- make screen specific stylerules also enabled for print medium
*/
var printStyle = '';
if ( this.enhanced === false ) {
var i, j, k,
rule,
hasPrint,
hasScreen,
rules,
stylesheet,
stylesheets = document.styleSheets;
for ( i = 0; i < stylesheets.length; i++ ) {
stylesheet = stylesheets[ i ];
if ( !stylesheet.media ) {
continue;
}
if ( stylesheet.media.mediaText && stylesheet.media.mediaText.indexOf( 'print' ) !== -1 ) {
if ( stylesheet.media.mediaText.indexOf( 'screen' ) === -1 ) {
stylesheet.disabled = true;
}
} else if ( stylesheet.media.mediaText && stylesheet.media.mediaText.indexOf( 'screen' ) !== -1 ) {
if ( stylesheet.media.mediaText.indexOf( 'print' ) === -1 ) {
try {
stylesheet.media.appendMedium( 'print' );
} catch ( e ) {
stylesheet.media.mediaText += ',print';
}
}
}
/* now test individual stylesheet rules */
try {
rules = stylesheet.cssRules || stylesheet.rules;
} catch ( e ) {
/* Cross domain issue. */
mw.log.warn( 'Not possible to correct stylesheet due to cross origin restrictions.' );
continue;
}
stylesheet.compatdelete = stylesheet.deleteRule || stylesheet.removeRule;
for ( j = 0; rules && j < rules.length; j++ ) {
rule = rules[ j ];
hasPrint = false;
hasScreen = false;
if ( rule.type === CSSRule.MEDIA_RULE && rule.media ) {
for ( k = 0; k < rule.media.length; k++ ) {
if ( rule.media[ k ] === 'print' ) {
hasPrint = true;
} else if ( rule.media[ k ] === 'screen' ) {
hasScreen = true;
}
}
} else {
continue;
}
if ( hasPrint && !hasScreen ) {
stylesheet.compatdelete( j );
j--;
} else if ( hasScreen && !hasPrint ) {
try {
rule.media.appendMedium( 'print' );
} catch ( e ) {
rule.media.mediaText += ',print';
}
}
}
}
}
/* Add css to hide images */
if ( this.noimages ) {
printStyle += 'img, .thumb {display:none;}\n';
}
/* Add css to hide references markers and the references lists */
if ( this.norefs ) {
printStyle += '.mw-heading:has(#References), ol.references, .reference {display:none;}\n';
}
if ( this.notoc ) {
printStyle += '#toc, .toc {display:none;}\n';
}
if ( this.nobackground ) {
printStyle += '* {background:none !important;}\n';
}
if ( this.blacktext ) {
printStyle += '* {color:black !important;}\n';
}
if ( printStyle ) {
$( 'head' ).append( '' );
}
},
/* Rewrite the "retrieved from" url to be readable */
otherEnhancements: function () {
var link = $( 'div.printfooter a' );
link.text( decodeURI( link.text() ) );
},
questions: [
{
label: 'Hide interface elements',
type: 'checkbox',
checked: true,
returnvalue: 'enhanced'
},
{
label: 'Hide images',
type: 'checkbox',
checked: false,
returnvalue: 'noimages'
},
{
label: 'Hide references',
type: 'checkbox',
checked: false,
returnvalue: 'norefs'
},
{
label: 'Hide Table of Contents',
type: 'checkbox',
checked: false,
returnvalue: 'notoc'
},
{
label: 'Remove backgrounds (Your browser might or might not override this)',
type: 'checkbox',
checked: false,
returnvalue: 'nobackground'
},
{
label: 'Force all text to black',
type: 'checkbox',
checked: true,
returnvalue: 'blacktext'
}
]
};
if ( mw.config.get( 'wgNamespaceNumber' ) >= 0 ) {
$( function () {
// This can be before the click handler by MW is installed. Instead,
// re-add ourselves to the back of the document.ready list
// use async timeoute to do this
setTimeout( function () {
$( printOptions.install );
} );
} );
}
}() );