68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
function newNodeChildren () {
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thisObject = {
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childrenCount: childrenCount
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}
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return thisObject
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function childrenCount (parentNode, childNode) {
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return countChildrenUiObject(parentNode, childNode)
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}
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function countChildrenUiObject (parentNode, childNode) {
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let response = {
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childrenCount: 0,
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childIndex: undefined
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}
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let parentNodeDefinition = getNodeDefinition (parentNode)
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if (parentNodeDefinition !== undefined) {
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if (parentNodeDefinition.properties !== undefined) {
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let previousPropertyName // Since there are cases where there are many properties with the same name,because they can hold nodes of different types but only one at the time, we have to avoind counting each property of those as individual children.
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for (let i = 0; i < parentNodeDefinition.properties.length; i++) {
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let property = parentNodeDefinition.properties[i]
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if (parentNode[property.name] !== undefined) {
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switch (property.type) {
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case 'node': {
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if (property.name !== previousPropertyName) {
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response.childrenCount++
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if (parentNode[property.name].id === childNode.id) {
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response.childIndex = response.childrenCount
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}
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previousPropertyName = property.name
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}
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}
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break
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case 'array': {
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let nodeDefinition = getNodeDefinition (childNode)
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if (nodeDefinition !== undefined) {
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let nodePropertyArray = parentNode[property.name]
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for (let j = 0; j < nodePropertyArray.length; j++) {
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let child = nodePropertyArray[j]
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if (nodeDefinition.chainedToSameType === true) {
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if (j < 1) {
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response.childrenCount++
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if (child.id === childNode.id) {
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response.childIndex = response.childrenCount
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}
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}
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} else {
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response.childrenCount++
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if (child.id === childNode.id) {
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response.childIndex = response.childrenCount
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}
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}
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}
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}
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}
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break
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}
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}
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}
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}
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}
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return response
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}
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}
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