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95 lines
2.5 KiB
JavaScript
95 lines
2.5 KiB
JavaScript
import Command from './Command';
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/**
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* 移动物体命令
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* @author dforrer / https://github.com/dforrer
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* Developed as part of a project at University of Applied Sciences and Arts Northwestern Switzerland (www.fhnw.ch)
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* @param object THREE.Object3D
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* @param newParent THREE.Object3D
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* @param newBefore THREE.Object3D
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* @constructor
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*/
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function MoveObjectCommand(object, newParent, newBefore) {
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Command.call(this);
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this.type = 'MoveObjectCommand';
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this.name = L_MOVE_OBJECT;
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this.object = object;
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this.oldParent = (object !== undefined) ? object.parent : undefined;
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this.oldIndex = (this.oldParent !== undefined) ? this.oldParent.children.indexOf(this.object) : undefined;
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this.newParent = newParent;
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if (newBefore !== undefined) {
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this.newIndex = (newParent !== undefined) ? newParent.children.indexOf(newBefore) : undefined;
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} else {
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this.newIndex = (newParent !== undefined) ? newParent.children.length : undefined;
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}
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if (this.oldParent === this.newParent && this.newIndex > this.oldIndex) {
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this.newIndex--;
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}
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this.newBefore = newBefore;
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};
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MoveObjectCommand.prototype = Object.create(Command.prototype);
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Object.assign(MoveObjectCommand.prototype, {
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constructor: MoveObjectCommand,
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execute: function () {
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this.oldParent.remove(this.object);
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var children = this.newParent.children;
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children.splice(this.newIndex, 0, this.object);
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this.object.parent = this.newParent;
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this.editor.app.call('sceneGraphChanged', this);
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},
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undo: function () {
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this.newParent.remove(this.object);
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var children = this.oldParent.children;
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children.splice(this.oldIndex, 0, this.object);
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this.object.parent = this.oldParent;
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this.editor.app.call('sceneGraphChanged', this);
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},
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toJSON: function () {
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var output = Command.prototype.toJSON.call(this);
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output.objectUuid = this.object.uuid;
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output.newParentUuid = this.newParent.uuid;
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output.oldParentUuid = this.oldParent.uuid;
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output.newIndex = this.newIndex;
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output.oldIndex = this.oldIndex;
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return output;
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},
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fromJSON: function (json) {
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Command.prototype.fromJSON.call(this, json);
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this.object = this.editor.objectByUuid(json.objectUuid);
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this.oldParent = this.editor.objectByUuid(json.oldParentUuid);
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if (this.oldParent === undefined) {
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this.oldParent = this.editor.scene;
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}
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this.newParent = this.editor.objectByUuid(json.newParentUuid);
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if (this.newParent === undefined) {
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this.newParent = this.editor.scene;
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}
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this.newIndex = json.newIndex;
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this.oldIndex = json.oldIndex;
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}
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});
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export default MoveObjectCommand;
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