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118 lines
2.8 KiB
JavaScript

import { Command } from '../Command.js';
class MoveObjectCommand extends Command {
/**
* @param {Editor} editor
* @param {THREE.Object3D|null} [object=null]
* @param {THREE.Object3D|null} [newParent=null]
* @param {THREE.Object3D|null} [newBefore=null]
* @constructor
*/
constructor( editor, object = null, newParent = null, newBefore = null ) {
super( editor );
this.type = 'MoveObjectCommand';
this.name = editor.strings.getKey( 'command/MoveObject' );
this.object = object;
this.oldParent = ( object !== null ) ? object.parent : null;
this.oldIndex = ( this.oldParent !== null ) ? this.oldParent.children.indexOf( this.object ) : null;
this.newParent = newParent;
if ( newBefore !== null ) {
this.newIndex = ( newParent !== null ) ? newParent.children.indexOf( newBefore ) : null;
} else {
this.newIndex = ( newParent !== null ) ? newParent.children.length : null;
}
if ( this.oldParent === this.newParent && this.newIndex > this.oldIndex ) {
this.newIndex --;
}
this.newBefore = newBefore;
}
execute() {
this.oldParent.remove( this.object );
const children = this.newParent.children;
children.splice( this.newIndex, 0, this.object );
this.object.parent = this.newParent;
this.object.dispatchEvent( { type: 'added' } );
this.editor.signals.objectChanged.dispatch( this.object );
this.editor.signals.objectChanged.dispatch( this.newParent );
this.editor.signals.objectChanged.dispatch( this.oldParent );
this.editor.signals.sceneGraphChanged.dispatch();
}
undo() {
this.newParent.remove( this.object );
const children = this.oldParent.children;
children.splice( this.oldIndex, 0, this.object );
this.object.parent = this.oldParent;
this.object.dispatchEvent( { type: 'added' } );
this.editor.signals.objectChanged.dispatch( this.object );
this.editor.signals.objectChanged.dispatch( this.newParent );
this.editor.signals.objectChanged.dispatch( this.oldParent );
this.editor.signals.sceneGraphChanged.dispatch();
}
toJSON() {
const output = super.toJSON( this );
output.objectUuid = this.object.uuid;
output.newParentUuid = this.newParent.uuid;
output.oldParentUuid = this.oldParent.uuid;
output.newIndex = this.newIndex;
output.oldIndex = this.oldIndex;
return output;
}
fromJSON( json ) {
super.fromJSON( json );
this.object = this.editor.objectByUuid( json.objectUuid );
this.oldParent = this.editor.objectByUuid( json.oldParentUuid );
if ( this.oldParent === undefined ) {
this.oldParent = this.editor.scene;
}
this.newParent = this.editor.objectByUuid( json.newParentUuid );
if ( this.newParent === undefined ) {
this.newParent = this.editor.scene;
}
this.newIndex = json.newIndex;
this.oldIndex = json.oldIndex;
}
}
export { MoveObjectCommand };