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indexpattern.tsx
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indexpattern.tsx
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
import _ from 'lodash';
import React from 'react';
import { render } from 'react-dom';
import { I18nProvider } from '@kbn/i18n/react';
import { CoreStart, SavedObjectReference } from 'kibana/public';
import { i18n } from '@kbn/i18n';
import { IStorageWrapper } from 'src/plugins/kibana_utils/public';
import {
DatasourceDimensionEditorProps,
DatasourceDimensionTriggerProps,
DatasourceDataPanelProps,
Operation,
DatasourceLayerPanelProps,
PublicAPIProps,
} from '../types';
import {
loadInitialState,
changeIndexPattern,
changeLayerIndexPattern,
extractReferences,
} from './loader';
import { toExpression } from './to_expression';
import {
IndexPatternDimensionTrigger,
IndexPatternDimensionEditor,
canHandleDrop,
onDrop,
} from './dimension_panel';
import { IndexPatternDataPanel } from './datapanel';
import {
getDatasourceSuggestionsForField,
getDatasourceSuggestionsFromCurrentState,
} from './indexpattern_suggestions';
import { isDraggedField, normalizeOperationDataType } from './utils';
import { LayerPanel } from './layerpanel';
import { IndexPatternColumn } from './operations';
import {
IndexPatternField,
IndexPatternLayer,
IndexPatternPrivateState,
IndexPatternPersistedState,
} from './types';
import { KibanaContextProvider } from '../../../../../src/plugins/kibana_react/public';
import { DataPublicPluginStart } from '../../../../../src/plugins/data/public';
import { deleteColumn } from './state_helpers';
import { Datasource, StateSetter } from '../index';
import { ChartsPluginSetup } from '../../../../../src/plugins/charts/public';
export { OperationType, IndexPatternColumn } from './operations';
export interface DraggedField {
field: IndexPatternField;
indexPatternId: string;
}
export function columnToOperation(column: IndexPatternColumn, uniqueLabel?: string): Operation {
const { dataType, label, isBucketed, scale } = column;
return {
dataType: normalizeOperationDataType(dataType),
isBucketed,
scale,
label: uniqueLabel || label,
};
}
/**
* Return a map of columnId => unique column label. Exported for testing reasons.
*/
export function uniqueLabels(layers: Record<string, IndexPatternLayer>) {
const columnLabelMap = {} as Record<string, string>;
const counts = {} as Record<string, number>;
const makeUnique = (label: string) => {
let uniqueLabel = label;
while (counts[uniqueLabel] >= 0) {
const num = ++counts[uniqueLabel];
uniqueLabel = i18n.translate('xpack.lens.indexPattern.uniqueLabel', {
defaultMessage: '{label} [{num}]',
values: { label, num },
});
}
counts[uniqueLabel] = 0;
return uniqueLabel;
};
Object.values(layers).forEach((layer) => {
if (!layer.columns) {
return;
}
Object.entries(layer.columns).forEach(([columnId, column]) => {
columnLabelMap[columnId] = makeUnique(column.label);
});
});
return columnLabelMap;
}
export function getIndexPatternDatasource({
core,
storage,
data,
charts,
}: {
core: CoreStart;
storage: IStorageWrapper;
data: DataPublicPluginStart;
charts: ChartsPluginSetup;
}) {
const savedObjectsClient = core.savedObjects.client;
const uiSettings = core.uiSettings;
const onIndexPatternLoadError = (err: Error) =>
core.notifications.toasts.addError(err, {
title: i18n.translate('xpack.lens.indexPattern.indexPatternLoadError', {
defaultMessage: 'Error loading index pattern',
}),
});
const indexPatternsService = data.indexPatterns;
// Not stateful. State is persisted to the frame
const indexPatternDatasource: Datasource<IndexPatternPrivateState, IndexPatternPersistedState> = {
id: 'indexpattern',
async initialize(
persistedState?: IndexPatternPersistedState,
references?: SavedObjectReference[]
) {
return loadInitialState({
persistedState,
references,
savedObjectsClient: await savedObjectsClient,
defaultIndexPatternId: core.uiSettings.get('defaultIndex'),
storage,
indexPatternsService,
});
},
getPersistableState(state: IndexPatternPrivateState) {
return extractReferences(state);
},
insertLayer(state: IndexPatternPrivateState, newLayerId: string) {
return {
...state,
layers: {
...state.layers,
[newLayerId]: blankLayer(state.currentIndexPatternId),
},
};
},
removeLayer(state: IndexPatternPrivateState, layerId: string) {
const newLayers = { ...state.layers };
delete newLayers[layerId];
return {
...state,
layers: newLayers,
};
},
clearLayer(state: IndexPatternPrivateState, layerId: string) {
return {
...state,
layers: {
...state.layers,
[layerId]: blankLayer(state.currentIndexPatternId),
},
};
},
getLayers(state: IndexPatternPrivateState) {
return Object.keys(state.layers);
},
removeColumn({ prevState, layerId, columnId }) {
return deleteColumn({
state: prevState,
layerId,
columnId,
});
},
toExpression,
renderDataPanel(
domElement: Element,
props: DatasourceDataPanelProps<IndexPatternPrivateState>
) {
render(
<I18nProvider>
<IndexPatternDataPanel
changeIndexPattern={(
id: string,
state: IndexPatternPrivateState,
setState: StateSetter<IndexPatternPrivateState>
) => {
changeIndexPattern({
id,
state,
setState,
onError: onIndexPatternLoadError,
storage,
indexPatternsService,
});
}}
data={data}
charts={charts}
{...props}
/>
</I18nProvider>,
domElement
);
},
renderDimensionTrigger: (
domElement: Element,
props: DatasourceDimensionTriggerProps<IndexPatternPrivateState>
) => {
const columnLabelMap = uniqueLabels(props.state.layers);
render(
<I18nProvider>
<KibanaContextProvider
services={{
appName: 'lens',
storage,
uiSettings,
data,
savedObjects: core.savedObjects,
docLinks: core.docLinks,
}}
>
<IndexPatternDimensionTrigger uniqueLabel={columnLabelMap[props.columnId]} {...props} />
</KibanaContextProvider>
</I18nProvider>,
domElement
);
},
renderDimensionEditor: (
domElement: Element,
props: DatasourceDimensionEditorProps<IndexPatternPrivateState>
) => {
const columnLabelMap = uniqueLabels(props.state.layers);
render(
<I18nProvider>
<KibanaContextProvider
services={{
appName: 'lens',
storage,
uiSettings,
data,
savedObjects: core.savedObjects,
docLinks: core.docLinks,
http: core.http,
}}
>
<IndexPatternDimensionEditor
uiSettings={uiSettings}
storage={storage}
savedObjectsClient={core.savedObjects.client}
http={core.http}
data={data}
uniqueLabel={columnLabelMap[props.columnId]}
{...props}
/>
</KibanaContextProvider>
</I18nProvider>,
domElement
);
},
renderLayerPanel: (
domElement: Element,
props: DatasourceLayerPanelProps<IndexPatternPrivateState>
) => {
render(
<LayerPanel
onChangeIndexPattern={(indexPatternId) => {
changeLayerIndexPattern({
indexPatternId,
setState: props.setState,
state: props.state,
layerId: props.layerId,
onError: onIndexPatternLoadError,
replaceIfPossible: true,
storage,
indexPatternsService,
});
}}
{...props}
/>,
domElement
);
},
canHandleDrop,
onDrop,
getPublicAPI({ state, layerId }: PublicAPIProps<IndexPatternPrivateState>) {
const columnLabelMap = uniqueLabels(state.layers);
return {
datasourceId: 'indexpattern',
getTableSpec: () => {
return state.layers[layerId].columnOrder.map((colId) => ({ columnId: colId }));
},
getOperationForColumnId: (columnId: string) => {
const layer = state.layers[layerId];
if (layer && layer.columns[columnId]) {
return columnToOperation(layer.columns[columnId], columnLabelMap[columnId]);
}
return null;
},
};
},
getDatasourceSuggestionsForField(state, draggedField) {
return isDraggedField(draggedField)
? getDatasourceSuggestionsForField(state, draggedField.indexPatternId, draggedField.field)
: [];
},
getDatasourceSuggestionsFromCurrentState,
};
return indexPatternDatasource;
}
function blankLayer(indexPatternId: string) {
return {
indexPatternId,
columns: {},
columnOrder: [],
};
}