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/**
* @author TyLindberg / https://github.com/TyLindberg
*/
Sidebar.Settings.Shortcuts = function ( editor ) {
var strings = editor.strings;
var IS_MAC = navigator.platform.toUpperCase().indexOf( 'MAC' ) >= 0;
function isValidKeyBinding( key ) {
return key.match( /^[A-Za-z0-9]$/i ); // Can't use z currently due to undo/redo
}
var config = editor.config;
var signals = editor.signals;
var container = new UI.Div();
container.add( new UI.Break() );
var shortcuts = [ 'translate', 'rotate', 'scale', 'undo', 'focus' ];
function createShortcutInput( name ) {
var configName = 'settings/shortcuts/' + name;
var shortcutRow = new UI.Row();
var shortcutInput = new UI.Input().setWidth( '150px' ).setFontSize( '12px' );
shortcutInput.setTextTransform( 'lowercase' );
shortcutInput.onChange( function () {
var value = shortcutInput.getValue().toLowerCase();
if ( isValidKeyBinding( value ) ) {
config.setKey( configName, value );
}
} );
// Automatically highlight when selecting an input field
shortcutInput.dom.addEventListener( 'click', function () {
shortcutInput.dom.select();
} );
// If the value of the input field is invalid, revert the input field
// to contain the key binding stored in config
shortcutInput.dom.addEventListener( 'blur', function () {
if ( ! isValidKeyBinding( shortcutInput.getValue() ) ) {
shortcutInput.setValue( config.getKey( configName ) );
}
} );
// If a valid key binding character is entered, blur the input field
shortcutInput.dom.addEventListener( 'keyup', function ( event ) {
if ( isValidKeyBinding( event.key ) ) {
shortcutInput.dom.blur();
}
} );
if ( config.getKey( configName ) !== undefined ) {
shortcutInput.setValue( config.getKey( configName ) );
}
shortcutInput.dom.maxLength = 1;
shortcutRow.add( new UI.Text( strings.getKey( 'sidebar/settings/shortcuts/' + name ) ).setTextTransform( 'capitalize' ).setWidth( '90px' ) );
shortcutRow.add( shortcutInput );
container.add( shortcutRow );
}
for ( var i = 0; i < shortcuts.length; i ++ ) {
createShortcutInput( shortcuts[ i ] );
}
document.addEventListener( 'keydown', function ( event ) {
switch ( event.key.toLowerCase() ) {
case 'backspace':
event.preventDefault(); // prevent browser back
// fall-through
case 'delete':
var object = editor.selected;
if ( object === null ) return;
var parent = object.parent;
if ( parent !== null ) editor.execute( new RemoveObjectCommand( editor, object ) );
break;
case config.getKey( 'settings/shortcuts/translate' ):
signals.transformModeChanged.dispatch( 'translate' );
break;
case config.getKey( 'settings/shortcuts/rotate' ):
signals.transformModeChanged.dispatch( 'rotate' );
break;
case config.getKey( 'settings/shortcuts/scale' ):
signals.transformModeChanged.dispatch( 'scale' );
break;
case config.getKey( 'settings/shortcuts/undo' ):
if ( IS_MAC ? event.metaKey : event.ctrlKey ) {
event.preventDefault(); // Prevent browser specific hotkeys
if ( event.shiftKey ) {
editor.redo();
} else {
editor.undo();
}
}
break;
case config.getKey( 'settings/shortcuts/focus' ):
if ( editor.selected !== null ) {
editor.focus( editor.selected );
}
break;
}
}, false );
return container;
};
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