core: make sidebar resizable

This change introduces new layout component that you can use to have
consistent layout in a plugin. This layout component is responsible for
interactions and remembering the last set width.

tensorboard/webapp/BUILD

@@ -367,6 +367,7 @@ tf_svg_bundle(
         "@com_google_material_design_icon//:content_copy_24px.svg",
         "@com_google_material_design_icon//:dark_mode_24px.svg",
         "@com_google_material_design_icon//:done_24px.svg",
+        "@com_google_material_design_icon//:drag_indicator_24px.svg",
         "@com_google_material_design_icon//:edit_24px.svg",
         "@com_google_material_design_icon//:error_24px.svg",
         "@com_google_material_design_icon//:expand_less_24px.svg",

tensorboard/webapp/core/BUILD

@@ -6,12 +6,16 @@ tf_ng_module(
     name = "core",
     srcs = [
         "core_module.ts",
+        "index.ts",
     ],
     deps = [
+        ":state",
         "//tensorboard/webapp/core/actions",
         "//tensorboard/webapp/core/effects",
         "//tensorboard/webapp/core/store",
+        "//tensorboard/webapp/core/views:layout",
         "//tensorboard/webapp/deeplink",
+        "//tensorboard/webapp/persistent_settings",
         "//tensorboard/webapp/webapp_data_source",
         "@npm//@angular/core",
         "@npm//@ngrx/effects",

tensorboard/webapp/core/actions/core_actions.ts

@@ -93,3 +93,8 @@ export const fetchRunSucceeded = createAction(
   '[Core] Run Fetch Successful',
   props<{runs: Run[]}>()
 );
+
+export const sideBarWidthChanged = createAction(
+  '[Core] Side Bar Width Changed',
+  props<{widthInPercent: number}>()
+);

tensorboard/webapp/core/core_module.ts

@@ -13,25 +13,44 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 import {NgModule} from '@angular/core';
-import {StoreModule} from '@ngrx/store';
 import {EffectsModule} from '@ngrx/effects';
+import {createSelector, StoreModule} from '@ngrx/store';
 
+import {DeepLinkerInterface} from '../deeplink';
+import {
+  PersistableSettings,
+  PersistentSettingsConfigModule,
+} from '../persistent_settings';
 import {TBServerDataSourceModule} from '../webapp_data_source/tb_server_data_source_module';
-
-import {reducers} from './store';
 import {CoreEffects} from './effects';
-import {CORE_FEATURE_KEY} from './store/core_types';
+import {State} from './state';
+import {getSideBarWidthInPercent, reducers} from './store';
 import {
   CORE_STORE_CONFIG_TOKEN,
   getConfig,
 } from './store/core_initial_state_provider';
-import {DeepLinkerInterface} from '../deeplink';
+import {CORE_FEATURE_KEY} from './store/core_types';
+
+/** @typehack */ import * as _typeHackNgrxStore from '@ngrx/store';
+
+export function getSideBarWidthSetting() {
+  return createSelector<State, number, PersistableSettings>(
+    getSideBarWidthInPercent,
+    (sideBarWidthInPercent) => {
+      return {sideBarWidthInPercent};
+    }
+  );
+}
 
 @NgModule({
   imports: [
     EffectsModule.forFeature([CoreEffects]),
     StoreModule.forFeature(CORE_FEATURE_KEY, reducers, CORE_STORE_CONFIG_TOKEN),
     TBServerDataSourceModule,
+    PersistentSettingsConfigModule.defineGlobalSetting<
+      State,
+      PersistableSettings
+    >(getSideBarWidthSetting),
   ],
   providers: [
     {

tensorboard/webapp/core/index.ts

@@ -0,0 +1,17 @@
+/* Copyright 2021 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+export {sideBarWidthChanged} from './actions';
+export {LayoutModule} from './views/layout_module';

tensorboard/webapp/core/store/BUILD

@@ -15,6 +15,7 @@ tf_ng_module(
         "//tensorboard/webapp/core:types",
         "//tensorboard/webapp/core/actions",
         "//tensorboard/webapp/deeplink",
+        "//tensorboard/webapp/persistent_settings",
         "//tensorboard/webapp/types",
         "@npm//@angular/core",
         "@npm//@ngrx/store",
@@ -36,6 +37,7 @@ tf_ts_library(
         "//tensorboard/webapp/core/actions",
         "//tensorboard/webapp/core/testing",
         "//tensorboard/webapp/deeplink",
+        "//tensorboard/webapp/persistent_settings",
         "//tensorboard/webapp/types",
         "@npm//@types/jasmine",
     ],

tensorboard/webapp/core/store/core_reducers.ts

@@ -13,6 +13,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 import {Action, createReducer, on} from '@ngrx/store';
+
+import {globalSettingsLoaded} from '../../persistent_settings';
 import {DataLoadState} from '../../types/data';
 import * as actions from '../actions';
 import {CoreState, initialState} from './core_types';
@@ -159,6 +161,26 @@ const reducer = createReducer(
   }),
   on(actions.polymerInteropRunSelectionChanged, (state, {nextSelection}) => {
     return {...state, polymerInteropRunSelection: new Set(nextSelection)};
+  }),
+  on(actions.sideBarWidthChanged, (state, {widthInPercent}) => {
+    return {
+      ...state,
+      sideBarWidthInPercent: Math.min(Math.max(0, widthInPercent), 100),
+    };
+  }),
+  on(globalSettingsLoaded, (state, {partialSettings}) => {
+    const nextState = {...state};
+
+    const sideBarWidthInPercent = partialSettings.sideBarWidthInPercent;
+    if (
+      typeof sideBarWidthInPercent === 'number' &&
+      sideBarWidthInPercent >= 0 &&
+      sideBarWidthInPercent <= 100
+    ) {
+      nextState.sideBarWidthInPercent = sideBarWidthInPercent;
+    }
+
+    return nextState;
   })
 );
 

tensorboard/webapp/core/store/core_reducers_test.ts

@@ -22,6 +22,7 @@ import {
 } from '../testing';
 import {DataLoadState} from '../../types/data';
 import {PluginsListFailureCode} from '../types';
+import {globalSettingsLoaded} from '../../persistent_settings';
 
 function createPluginsListing() {
   return {
@@ -558,4 +559,84 @@ describe('core reducer', () => {
       });
     });
   });
+
+  describe('#sideBarWidthChanged', () => {
+    it('sets sideBarWidthInPercent', () => {
+      const state = createCoreState({
+        sideBarWidthInPercent: 0,
+      });
+      const nextState = reducers(
+        state,
+        actions.sideBarWidthChanged({widthInPercent: 30})
+      );
+
+      expect(nextState.sideBarWidthInPercent).toBe(30);
+    });
+
+    it('clips the value so it is between 0 and 100, inclusive', () => {
+      const state1 = createCoreState({
+        sideBarWidthInPercent: 5,
+      });
+      const state2 = reducers(
+        state1,
+        actions.sideBarWidthChanged({widthInPercent: -10})
+      );
+      expect(state2.sideBarWidthInPercent).toBe(0);
+
+      const state3 = reducers(
+        state2,
+        actions.sideBarWidthChanged({widthInPercent: 100})
+      );
+      expect(state3.sideBarWidthInPercent).toBe(100);
+    });
+  });
+
+  describe('#globalSettingsLoaded', () => {
+    it('loads sideBarWidthInPercent from settings when present', () => {
+      const state = createCoreState({
+        sideBarWidthInPercent: 0,
+      });
+      const nextState = reducers(
+        state,
+        globalSettingsLoaded({partialSettings: {sideBarWidthInPercent: 40}})
+      );
+
+      expect(nextState.sideBarWidthInPercent).toBe(40);
+    });
+
+    it('ignores partial settings without the sidebar width', () => {
+      const state = createCoreState({
+        sideBarWidthInPercent: 0,
+      });
+      const nextState = reducers(
+        state,
+        globalSettingsLoaded({partialSettings: {}})
+      );
+
+      expect(nextState.sideBarWidthInPercent).toBe(0);
+    });
+
+    it('loads when value is in between 0-100, inclusive', () => {
+      const state1 = createCoreState({
+        sideBarWidthInPercent: 0,
+      });
+      const state2 = reducers(
+        state1,
+        globalSettingsLoaded({partialSettings: {sideBarWidthInPercent: 101}})
+      );
+      expect(state2.sideBarWidthInPercent).toBe(0);
+
+      const state3 = reducers(
+        state2,
+        globalSettingsLoaded({partialSettings: {sideBarWidthInPercent: -1}})
+      );
+      expect(state3.sideBarWidthInPercent).toBe(0);
+
+      const state4 = reducers(
+        state3,
+        globalSettingsLoaded({partialSettings: {sideBarWidthInPercent: NaN}})
+      );
+      expect(state4.sideBarWidthInPercent).toBe(0);
+    });
+  });
 });

tensorboard/webapp/core/store/core_selectors.ts

@@ -79,3 +79,10 @@ export const getEnvironment = createSelector(
     return state.environment;
   }
 );
+
+export const getSideBarWidthInPercent = createSelector(
+  selectCoreState,
+  (state: CoreState): number => {
+    return state.sideBarWidthInPercent;
+  }
+);

tensorboard/webapp/core/store/core_selectors_test.ts

@@ -54,4 +54,19 @@ describe('core selectors', () => {
       expect(selectors.getAppLastLoadedTimeInMs(state)).toBe(1);
     });
   });
+
+  describe('#getSideBarWidthInPercent', () => {
+    beforeEach(() => {
+      selectors.getSideBarWidthInPercent.release();
+    });
+
+    it('returns sidebar width information', () => {
+      const state = createState(
+        createCoreState({
+          sideBarWidthInPercent: 15,
+        })
+      );
+      expect(selectors.getSideBarWidthInPercent(state)).toBe(15);
+    });
+  });
 });

tensorboard/webapp/core/store/core_types.ts

@@ -37,6 +37,8 @@ export interface CoreState {
   // For now, we want them here for Polymer interop states reasons, too.
   polymerInteropRuns: Run[];
   polymerInteropRunSelection: Set<RunId>;
+  // Number between 0 and 100.
+  sideBarWidthInPercent: number;
 }
 
 /*
@@ -97,4 +99,5 @@ export const initialState: CoreState = {
   },
   polymerInteropRuns: [],
   polymerInteropRunSelection: new Set(),
+  sideBarWidthInPercent: 30,
 };

tensorboard/webapp/core/testing/index.ts

@@ -71,6 +71,7 @@ export function createCoreState(override?: Partial<CoreState>): CoreState {
     },
     polymerInteropRuns: [],
     polymerInteropRunSelection: new Set(),
+    sideBarWidthInPercent: 0,
     ...override,
   };
 }

tensorboard/webapp/core/views/BUILD

@@ -1,7 +1,34 @@
-load("//tensorboard/defs:defs.bzl", "tf_ng_module", "tf_ts_library")
+load("//tensorboard/defs:defs.bzl", "tf_ng_module", "tf_sass_binary", "tf_ts_library")
 
 package(default_visibility = ["//tensorboard:internal"])
 
+tf_sass_binary(
+    name = "layout_styles",
+    src = "layout_container.scss",
+)
+
+tf_ng_module(
+    name = "layout",
+    srcs = [
+        "layout_container.ts",
+        "layout_module.ts",
+    ],
+    assets = [":layout_styles"],
+    deps = [
+        "//tensorboard/webapp/angular:expect_angular_material_button",
+        "//tensorboard/webapp/angular:expect_angular_material_icon",
+        "//tensorboard/webapp/core:state",
+        "//tensorboard/webapp/core:types",
+        "//tensorboard/webapp/core/actions",
+        "//tensorboard/webapp/core/store",
+        "//tensorboard/webapp/util:dom",
+        "@npm//@angular/common",
+        "@npm//@angular/core",
+        "@npm//@ngrx/store",
+        "@npm//rxjs",
+    ],
+)
+
 tf_ng_module(
     name = "hash_storage",
     srcs = [
@@ -61,11 +88,13 @@ tf_ts_library(
     srcs = [
         "dark_mode_supporter_test.ts",
         "hash_storage_test.ts",
+        "layout_test.ts",
         "page_title_test.ts",
     ],
     deps = [
         ":dark_mode_supporter",
         ":hash_storage",
+        ":layout",
         ":page_title",
         "//tensorboard/webapp:app_state",
         "//tensorboard/webapp:selectors",
@@ -80,6 +109,8 @@ tf_ts_library(
         "//tensorboard/webapp/core/testing",
         "//tensorboard/webapp/deeplink",
         "//tensorboard/webapp/experiments/store:testing",
+        "//tensorboard/webapp/testing:mat_icon",
+        "//tensorboard/webapp/util:dom",
         "@npm//@angular/common",
         "@npm//@angular/compiler",
         "@npm//@angular/core",