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