WordPress/wp-includes/js/tinymce/plugins/wpfullscreen/plugin.js

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/* global tinymce */
/**
* WP Fullscreen (Distraction Free Writing) TinyMCE plugin
*/
tinymce.PluginManager.add( 'wpfullscreen', function( editor ) {
var settings = editor.settings,
oldSize = 0;
function resize( e ) {
var deltaSize, myHeight,
d = editor.getDoc(),
body = d.body,
DOM = tinymce.DOM,
resizeHeight = 250;
if ( ( e && e.type === 'setcontent' && e.initial ) || editor.settings.inline ) {
return;
}
// Get height differently depending on the browser used
myHeight = tinymce.Env.ie ? body.scrollHeight : ( tinymce.Env.webkit && body.clientHeight === 0 ? 0 : body.offsetHeight );
// Don't make it smaller than 250px
if ( myHeight > 250 ) {
resizeHeight = myHeight;
}
body.scrollTop = 0;
// Resize content element
if ( resizeHeight !== oldSize ) {
deltaSize = resizeHeight - oldSize;
DOM.setStyle( DOM.get( editor.id + '_ifr' ), 'height', resizeHeight + 'px' );
oldSize = resizeHeight;
// WebKit doesn't decrease the size of the body element until the iframe gets resized
// So we need to continue to resize the iframe down until the size gets fixed
if ( tinymce.isWebKit && deltaSize < 0 ) {
resize( e );
}
}
}
// Register the command
editor.addCommand( 'wpAutoResize', resize );
function fullscreenOn() {
settings.wp_fullscreen = true;
editor.dom.addClass( editor.getDoc().documentElement, 'wp-fullscreen' );
// Add listeners for auto-resizing
editor.on( 'change setcontent paste keyup', resize );
}
function fullscreenOff() {
settings.wp_fullscreen = false;
editor.dom.removeClass( editor.getDoc().documentElement, 'wp-fullscreen' );
// Remove listeners for auto-resizing
editor.off( 'change setcontent paste keyup', resize );
oldSize = 0;
}
// For use from outside the editor.
editor.addCommand( 'wpFullScreenOn', fullscreenOn );
editor.addCommand( 'wpFullScreenOff', fullscreenOff );
function toggleFullscreen() {
// Toggle DFW mode. For use from inside the editor.
if ( typeof wp === 'undefined' || ! wp.editor || ! wp.editor.fullscreen ) {
return;
}
if ( editor.getParam('wp_fullscreen') ) {
wp.editor.fullscreen.off();
} else {
wp.editor.fullscreen.on();
}
}
editor.addCommand( 'wpFullScreen', toggleFullscreen );
editor.on( 'init', function() {
// Set the editor when initializing from whitin DFW
if ( editor.getParam('wp_fullscreen') ) {
fullscreenOn();
}
editor.addShortcut( 'alt+shift+w', '', 'wpFullScreen' );
});
// Register buttons
editor.addButton( 'wp_fullscreen', {
tooltip: 'Distraction Free Writing',
shortcut: 'Alt+Shift+W',
onclick: toggleFullscreen
});
editor.addMenuItem( 'wp_fullscreen', {
text: 'Distraction Free Writing',
shortcut: 'Alt+Shift+W',
context: 'view',
onclick: toggleFullscreen
});
});