gristlabs_grist-core/app/client/ui/Pages.ts

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TypeScript
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import { createGroup } from "app/client/components/commands";
import { duplicatePage } from "app/client/components/duplicatePage";
import { GristDoc } from "app/client/components/GristDoc";
import { PageRec } from "app/client/models/DocModel";
import { urlState } from "app/client/models/gristUrlState";
import * as MetaTableModel from "app/client/models/MetaTableModel";
import { find as findInTree, fromTableData, TreeItemRecord } from "app/client/models/TreeModel";
import { TreeViewComponent } from "app/client/ui/TreeViewComponent";
import { confirmModal } from 'app/client/ui2018/modals';
import { buildPageDom, PageActions } from "app/client/ui2018/pages";
import { mod } from 'app/common/gutil';
import { Computed, Disposable, dom, observable, Observable } from "grainjs";
// build dom for the tree view of pages
export function buildPagesDom(owner: Disposable, activeDoc: GristDoc, isOpen: Observable<boolean>) {
const pagesTable = activeDoc.docModel.pages;
const buildDom = buildDomFromTable.bind(null, pagesTable, activeDoc);
// create the model and keep in sync with the table
const model = observable(fromTableData(pagesTable.tableData, buildDom));
owner.autoDispose(pagesTable.tableData.tableActionEmitter.addListener(() => {
model.set(fromTableData(pagesTable.tableData, buildDom, model.get()));
}));
// create a computed that reads the selected page from the url and return the corresponding item
const selected = Computed.create(owner, activeDoc.activeViewId, (use, viewId) =>
findInTree(model.get(), (i: TreeItemRecord) => i.record.viewRef === viewId) || null
);
owner.autoDispose(createGroup({
nextPage: () => selected.get() && otherPage(selected.get()!, +1),
prevPage: () => selected.get() && otherPage(selected.get()!, -1)
}, null, true));
// dom
return dom('div', dom.create(TreeViewComponent, model, {isOpen, selected, isReadonly: activeDoc.isReadonly}));
}
function buildDomFromTable(pagesTable: MetaTableModel<PageRec>, activeDoc: GristDoc, id: number) {
const {docModel, isReadonly} = activeDoc;
const pageName = pagesTable.rowModels[id].view.peek().name;
const viewId = pagesTable.rowModels[id].view.peek().id.peek();
const docData = pagesTable.tableData.docData;
const actions: PageActions = {
onRename: (newName: string) => newName.length && pageName.saveOnly(newName),
onRemove: () => docData.sendAction(['RemoveRecord', '_grist_Views', viewId]),
// TODO: duplicate should prompt user for confirmation
onDuplicate: () => duplicatePage(activeDoc, id),
isRemoveDisabled: () => false,
isReadonly
};
// find a table with a matching primary view
const tableRef = docModel.tables.tableData.findRow('primaryViewId', viewId);
if (tableRef) {
function doRemove() {
const tableId = docModel.tables.tableData.getValue(tableRef, 'tableId');
return docData.sendAction(['RemoveTable', tableId]);
}
// if user removes a primary view, let's confirm first, because this will remove the
// corresponsing table and also all pages that are using this table.
// TODO: once we have raw table view, removing page should remove just the view (not the
// table), but for now this is the only way to remove a table in the newui.
actions.onRemove = () => confirmModal(
`Delete ${pageName()} data, and remove it from all pages?`, 'Delete', doRemove);
actions.isRemoveDisabled = () => (docModel.allTables.all().length <= 1);
}
return buildPageDom(pageName, actions, urlState().setLinkUrl({docPage: viewId}));
}
// Select another page in cyclic ordering of pages. Order is downard if given a positive `delta`,
// upward otherwise.
function otherPage(currentPage: TreeItemRecord, delta: number) {
const records = currentPage.storage.records;
const index = mod(currentPage.index + delta, records.length);
const docPage = records[index].viewRef;
return urlState().pushUrl({docPage});
}