perspectives WIP

packages/datalib/src/PerspectiveColumnDefinition.ts

@@ -0,0 +1,50 @@
+import { ColumnInfo, ForeignKeyInfo, TableInfo } from 'dbgate-types';
+import { clearConfigCache } from 'prettier';
+import { ChangePerspectiveConfigFunc, PerspectiveConfig } from './PerspectiveConfig';
+
+export abstract class PerspectiveColumnDefinition {
+  abstract get title();
+  abstract get props();
+  abstract get isExpanded();
+  abstract get isExpandable();
+  abstract get level();
+  abstract toggleExpanded();
+}
+
+export class PerspectiveTableColumnDefinition extends PerspectiveColumnDefinition {
+  foreignKey: ForeignKeyInfo;
+  constructor(
+    public column: ColumnInfo,
+    public table: TableInfo,
+    public config: PerspectiveConfig,
+    public setConfig: ChangePerspectiveConfigFunc
+  ) {
+    super();
+
+    this.foreignKey =
+      table.foreignKeys &&
+      table.foreignKeys.find(fk => fk.columns.length == 1 && fk.columns[0].columnName == column.columnName);
+  }
+
+  get title() {
+    return this.column.columnName;
+  }
+
+  get props() {
+    return this.column;
+  }
+
+  get isExpanded() {
+    return this.config.expandedColumns.includes(this.column.uniqueName);
+  }
+
+  get isExpandable() {
+    return !!this.foreignKey;
+  }
+
+  get level() {
+    return 0;
+  }
+
+  toggleExpanded() {}
+}

packages/datalib/src/PerspectiveConfig.ts

@@ -0,0 +1,17 @@
+export interface PerspectiveConfig {
+  hiddenColumns: string[];
+  shownColumns: string[];
+  expandedColumns: string[];
+  collapsedColumns: string[];
+}
+
+export function createPerspectiveConfig(): PerspectiveConfig {
+  return {
+    hiddenColumns: [],
+    shownColumns: [],
+    expandedColumns: [],
+    collapsedColumns: [],
+  };
+}
+
+export type ChangePerspectiveConfigFunc = (changeFunc: (config: PerspectiveConfig) => PerspectiveConfig) => void;

packages/datalib/src/index.ts

@@ -1,5 +1,7 @@
 export * from './GridDisplay';
 export * from './GridConfig';
+export * from './PerspectiveConfig';
+export * from './PerspectiveColumnDefinition';
 export * from './TableGridDisplay';
 export * from './ViewGridDisplay';
 export * from './JslGridDisplay';