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64 lines
2.6 KiB
64 lines
2.6 KiB
import {DataRowModel} from 'app/client/models/DataRowModel';
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import {testId} from 'app/client/ui2018/cssVars';
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import {isList} from 'app/common/gristTypes';
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import {dom} from 'grainjs';
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import {cssChoiceList, cssToken} from "app/client/widgets/ChoiceListCell";
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import {Reference} from "app/client/widgets/Reference";
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import {choiceToken} from "app/client/widgets/ChoiceToken";
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/**
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* ReferenceList - The widget for displaying lists of references to another table's records.
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*/
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export class ReferenceList extends Reference {
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public buildDom(row: DataRowModel) {
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return cssChoiceList(
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dom.cls('field_clip'),
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cssChoiceList.cls('-wrap', this.wrapping),
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dom.style('justify-content', use => use(this.alignment) === 'right' ? 'flex-end' : use(this.alignment)),
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dom.domComputed((use) => {
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if (use(row._isAddRow) || this.isDisposed() || use(this.field.displayColModel).isDisposed()) {
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// Work around JS errors during certain changes (noticed when visibleCol field gets removed
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// for a column using per-field settings).
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return null;
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}
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const value = row.cells[use(use(this.field.displayColModel).colId)];
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if (!value) {
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return null;
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}
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const content = use(value);
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if (!content) { return null; }
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// TODO: Figure out what the implications of this block are for ReferenceList.
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// if (isVersions(content)) {
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// // We can arrive here if the reference value is unchanged (viewed as a foreign key)
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// // but the content of its displayCol has changed. Postponing doing anything about
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// // this until we have three-way information for computed columns. For now,
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// // just showing one version of the cell. TODO: elaborate.
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// return use(this._formatValue)(content[1].local || content[1].parent);
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// }
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const items = isList(content) ? content.slice(1) : [content];
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// Use field.visibleColFormatter instead of field.formatter
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// because we're formatting each list element to render tokens, not the whole list.
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const formatter = use(this.field.visibleColFormatter);
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return items.map(item => formatter.formatAny(item));
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},
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(input) => {
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if (!input) {
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return null;
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}
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return input.map(token => {
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const isBlankReference = token.trim() === '';
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return choiceToken(
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isBlankReference ? '[Blank]' : token,
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{
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blank: isBlankReference,
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},
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dom.cls(cssToken.className),
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testId('ref-list-cell-token')
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);
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});
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}),
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);
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}
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}
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