cartodb-4.42/lib/assets/javascripts/builder/editor/layers/layer-analysis-view-factory.js

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2024-04-06 13:25:13 +08:00
var RefLayerAnalysisView = require('./analysis-views/ref-layer-analysis-view');
var DefaultLayerAnalysisView = require('./analysis-views/default-layer-analysis-view');
var SourceLayerAnalysisView = require('./analysis-views/source-layer-analysis-view');
var CompositeLayerAnalysisView = require('./analysis-views/composite-layer-analysis-view');
var LayerAnalysisViewFactory = function (analysisDefinitionNodesCollection) {
this._analysisDefinitionNodesCollection = analysisDefinitionNodesCollection;
};
/**
* @param {Object} nodeDefModel - an analysis-definition-node-model
* @param {Object} layerDefinitionModel
* @param {String} [tagName = 'li']
* @return {Object} instance of CoreView
* @throws {Error} if node model can not be found, or view can not be found for the given mode
*/
LayerAnalysisViewFactory.prototype.createView = function (nodeDefModel, layerDefinitionModel) {
if (!nodeDefModel) throw new Error('nodeDefModel is required');
if (!layerDefinitionModel) throw new Error('layerDefinitionModel is required');
var analysisNode = this._analysisDefinitionNodesCollection.get(nodeDefModel.id);
var sourcesCount = nodeDefModel.sourceIds().length;
var ownerLayer = layerDefinitionModel.collection.findOwnerOfAnalysisNode(nodeDefModel);
if (ownerLayer !== layerDefinitionModel) {
sourcesCount = null; // to force default ref view
}
switch (sourcesCount) {
case 2:
return new CompositeLayerAnalysisView({
model: nodeDefModel,
analysisDefinitionNodesCollection: this._analysisDefinitionNodesCollection,
layerDefinitionModel: layerDefinitionModel
});
case 0:
return new SourceLayerAnalysisView({
model: nodeDefModel,
analysisNode: analysisNode,
layerDefinitionModel: layerDefinitionModel
});
case 1:
return new DefaultLayerAnalysisView({
model: nodeDefModel,
analysisNode: analysisNode,
layerDefinitionModel: layerDefinitionModel
});
default:
return new RefLayerAnalysisView({
model: nodeDefModel,
analysisNode: analysisNode,
layerDefinitionModel: ownerLayer || layerDefinitionModel // use same layer model as fallback
});
}
};
module.exports = LayerAnalysisViewFactory;