forked from tsai/budibase
Michael Shanks
6 years ago
10 changed files with 212 additions and 215 deletions
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<script> |
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import { Select, Label } from "@budibase/bbui" |
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import { store, backendUiStore } from "builderStore" |
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import fetchBindableProperties from "builderStore/fetchBindableProperties" |
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import SaveFields from "./SaveFields.svelte" |
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import { |
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readableToRuntimeBinding, |
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runtimeToReadableBinding, |
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} from "builderStore/replaceBindings" |
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// parameters.contextPath used in the client handler to determine which record to save |
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// this could be "data" or "data.parent", "data.parent.parent" etc |
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export let parameters |
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$: bindableProperties = fetchBindableProperties({ |
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componentInstanceId: $store.currentComponentInfo._id, |
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components: $store.components, |
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screen: $store.currentPreviewItem, |
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models: $backendUiStore.models, |
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}) |
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// we pick all the _id fields, to determine all the available |
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// record contexts |
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let idFields |
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const idBindingToContextPath = id => id.substring(0, id.length - 4) |
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const contextPathToId = path => `${path}._id` |
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$: { |
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idFields = bindableProperties.filter( |
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bindable => |
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bindable.type === "context" && bindable.runtimeBinding.endsWith("._id") |
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) |
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// ensure contextPath is always defaulted - there is usually only one option |
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if (idFields.length > 0 && !parameters.contextPath) { |
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parameters.contextPath = idBindingToContextPath( |
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idFields[0].runtimeBinding |
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) |
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parameters = parameters |
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} |
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} |
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// just wraps binding in {{ ... }} |
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const toBindingExpression = bindingPath => `{{ ${bindingPath} }}` |
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// finds the selected idBinding, then reads the table/view |
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// from the component instance that it belongs to. |
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// then returns the field names for that schema |
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const schemaFromContextPath = contextPath => { |
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if (!contextPath) return [] |
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const idBinding = bindableProperties.find( |
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prop => prop.runtimeBinding === contextPathToId(contextPath) |
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) |
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if (!idBinding) return [] |
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const { instance } = idBinding |
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const component = $store.components[instance._component] |
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// component.context is the name of the prop that holds the modelId |
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const modelInfo = instance[component.context] |
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const modelId = |
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typeof modelInfo === "string" ? modelInfo : modelInfo.modelId |
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if (!modelInfo) return [] |
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const model = $backendUiStore.models.find(m => m._id === modelId) |
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parameters.modelId = modelId |
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return Object.keys(model.schema).map(k => ({ |
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name: k, |
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type: model.schema[k].type, |
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})) |
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} |
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let schemaFields |
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$: { |
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if (parameters && parameters.contextPath) { |
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schemaFields = schemaFromContextPath(parameters.contextPath) |
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} else { |
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schemaFields = [] |
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} |
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} |
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const onFieldsChanged = e => { |
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parameters.fields = e.detail |
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} |
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</script> |
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<div class="root"> |
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{#if idFields.length === 0} |
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<div class="cannot-use"> |
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Update record can only be used within a component that provides data, such |
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as a List |
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</div> |
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{:else} |
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<Label size="m" color="dark">Datasource</Label> |
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<Select secondary bind:value={parameters.contextPath}> |
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<option value="" /> |
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{#each idFields as idField} |
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<option value={idBindingToContextPath(idField.runtimeBinding)}> |
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{idField.instance._instanceName} |
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</option> |
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{/each} |
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</Select> |
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{/if} |
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{#if parameters.contextPath} |
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<SaveFields |
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parameterFields={parameters.fields} |
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{schemaFields} |
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on:fieldschanged={onFieldsChanged} /> |
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{/if} |
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</div> |
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<style> |
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.root { |
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display: grid; |
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column-gap: var(--spacing-s); |
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row-gap: var(--spacing-s); |
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grid-template-columns: auto 1fr auto 1fr auto; |
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align-items: baseline; |
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} |
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.root :global(> div:nth-child(2)) { |
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grid-column-start: 2; |
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grid-column-end: 6; |
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} |
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.cannot-use { |
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color: var(--red); |
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font-size: var(--font-size-s); |
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text-align: center; |
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width: 70%; |
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margin: auto; |
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} |
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</style> |
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