xeokit-viewer
Version:
BIM viewer built on xeokit and Bootstrap
102 lines (89 loc) • 2.82 kB
JavaScript
/**
* @desc Metadata corresponding to an {@link Entity} that represents a model.
*
* An {@link Entity} represents a model when {@link Entity#isModel} is ````true````
*
* A MetaModel corresponds to an {@link Entity} by having the same {@link MetaModel#id} as the {@link Entity#id}.
*
* A MetaModel is created by {@link MetaScene#createMetaModel} and belongs to a {@link MetaScene}.
*
* Each MetaModel is registered by {@link MetaModel#id} in {@link MetaScene#metaModels}.
*
* A {@link MetaModel} represents its object structure with a tree of {@link MetaObject}s, with {@link MetaModel#rootMetaObject} referencing the root {@link MetaObject}.
*
* @class MetaModel
*/
class MetaModel {
/**
* @private
*/
constructor(metaScene, id, projectId, revisionId, rootMetaObject) {
/**
* Globally-unique ID.
*
* MetaModels are registered by ID in {@link MetaScene#metaModels}.
*
* When this MetaModel corresponds to an {@link Entity} then this ID will match the {@link Entity#id}.
*
* @property id
* @type {String|Number}
*/
this.id = id;
/**
* The project ID
* @property projectId
* @type {String|Number}
*/
this.projectId = projectId;
/**
* The revision ID
* @property revisionId
* @type {String|Number}
*/
this.revisionId = revisionId;
/**
* Metadata on the {@link Scene}.
*
* @property metaScene
* @type {MetaScene}
*/
this.metaScene = metaScene;
/**
* The root {@link MetaObject} in this MetaModel's composition structure hierarchy.
*
* @property rootMetaObject
* @type {MetaObject}
*/
this.rootMetaObject = rootMetaObject;
}
getJSON() {
var metaObjects = [];
function visit(metaObject) {
var metaObjectCfg = {
id: metaObject.id,
extId: metaObject.extId,
type: metaObject.type,
name: metaObject.name
};
if (metaObject.parent) {
metaObjectCfg.parent = metaObject.parent.id;
}
metaObjects.push(metaObjectCfg);
var children = metaObject.children;
if (children) {
for (var i = 0, len = children.length; i < len; i++) {
visit(children[i]);
}
}
}
visit(this.rootMetaObject);
var json = {
id: this.id,
projectId: this.projectId,
revisionId: this.revisionId,
metaObjects: metaObjects
};
return json;
}
}
export {MetaModel};