MOBILE-3565 searchbox: Searchbox component implementation

main
Pau Ferrer Ocaña 2020-11-12 10:09:59 +01:00
parent 9daf5a3db7
commit f3ae7e5e4a
11 changed files with 504 additions and 4 deletions

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@ -54,6 +54,7 @@ import { CoreUtilsProvider } from '@services/utils/utils';
import { initCoreFilepoolDB } from '@services/filepool.db';
import { initCoreSitesDB } from '@services/sites.db';
import { initCoreSyncDB } from '@services/sync.db';
import { initCoreSearchHistoryDB } from '@core/search/services/search.history.db';
// Import core modules.
import { CoreEmulatorModule } from '@core/emulator/emulator.module';
@ -170,6 +171,7 @@ export class AppModule {
initCoreFilepoolDB();
initCoreSitesDB();
initCoreSyncDB();
initCoreSearchHistoryDB();
}
}

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@ -38,6 +38,6 @@
}
&.core-loading-loaded {
position: relative;
position: unset;
}
}

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@ -0,0 +1,43 @@
// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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.
import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { IonicModule } from '@ionic/angular';
import { FormsModule } from '@angular/forms';
import { TranslateModule } from '@ngx-translate/core';
import { CoreDirectivesModule } from '@directives/directives.module';
import { CoreComponentsModule } from '@components/components.module';
import { CoreSearchBoxComponent } from './search-box/search-box';
@NgModule({
declarations: [
CoreSearchBoxComponent,
],
imports: [
CommonModule,
IonicModule,
FormsModule,
TranslateModule.forChild(),
CoreDirectivesModule,
CoreComponentsModule,
],
exports: [
CoreSearchBoxComponent,
],
})
export class CoreSearchComponentsModule {}

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@ -0,0 +1,28 @@
<ion-card>
<form (ngSubmit)="submitForm($event)" role="search" #searchForm>
<ion-item>
<ion-label>
<ion-input type="search" name="search" [(ngModel)]="searchText" [placeholder]="placeholder"
[autocorrect]="autocorrect" [spellcheck]="spellcheck" [core-auto-focus]="autoFocus"
[disabled]="disabled" role="searchbox" (ionFocus)="focus($event)"></ion-input>
</ion-label>
<ion-button slot="end" fill="clear" type="submit" size="small" [attr.aria-label]="searchLabel"
[disabled]="disabled || !searchText || (searchText.length < lengthCheck)">
<ion-icon name="fas-search" slot="icon-only"></ion-icon>
</ion-button>
<ion-button *ngIf="showClear" slot="end" fill="clear" size="small"
[attr.aria-label]="'core.clearsearch' | translate" [disabled]="searched == '' || disabled"
(click)="clearForm()">
<ion-icon name="fas-backspace" slot="icon-only"></ion-icon>
</ion-button>
</ion-item>
<ion-list class="core-search-history" [hidden]="!historyShown">
<ion-item class="ion-text-wrap" *ngFor="let item of history"
(click)="historyClicked($event, item.searchedtext)" class="core-clickable" tabindex="1">
<ion-icon name="fa-history" slot="start">
</ion-icon>
{{item.searchedtext}}
</ion-item>
</ion-list>
</form>
</ion-card>

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@ -0,0 +1,27 @@
:host {
height: 80px;
display: block;
position: relative;
ion-card {
position: absolute;
left: 0;
right: 0;
z-index: 4;
}
ion-button.button:last-child {
margin-left: unset;
margin-inline-start: 10px;
}
.core-search-history {
max-height: calc(-120px + 80vh);
overflow-y: auto;
.item:hover {
--background: var(--gray-lighter);
cursor: pointer;
}
}
}

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@ -0,0 +1,173 @@
// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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.
import { Component, Input, Output, EventEmitter, OnInit } from '@angular/core';
import { CoreSites } from '@services/sites';
import { CoreDomUtils } from '@services/utils/dom';
import { CoreUtils } from '@services/utils/utils';
import { CoreSearchHistory, CoreSearchHistoryItem } from '../../services/search-history';
import { Translate } from '@singletons/core.singletons';
/**
* Component to display a "search box".
*
* @description
* This component will display a standalone search box with its search button in order to have a better UX.
*
* Example usage:
* <core-search-box (onSubmit)="search($event)" [placeholder]="'core.courses.search' | translate"
* [searchLabel]="'core.courses.search' | translate" autoFocus="true"></core-search-box>
*/
@Component({
selector: 'core-search-box',
templateUrl: 'core-search-box.html',
styleUrls: ['search-box.scss'],
})
export class CoreSearchBoxComponent implements OnInit {
@Input() searchLabel?: string; // Label to be used on action button.
@Input() placeholder?: string; // Placeholder text for search text input.
@Input() autocorrect = 'on'; // Enables/disable Autocorrection on search text input.
@Input() spellcheck?: string | boolean = true; // Enables/disable Spellchecker on search text input.
@Input() autoFocus?: string | boolean; // Enables/disable Autofocus when entering view.
@Input() lengthCheck = 3; // Check value length before submit. If 0, any string will be submitted.
@Input() showClear = true; // Show/hide clear button.
@Input() disabled = false; // Disables the input text.
@Input() protected initialSearch = ''; // Initial search text.
/* If provided. It will save and display a history of searches for this particular Id.
* To use different history lists, place different Id.
* I.e. AddonMessagesContacts or CoreUserParticipants-6 (using the course Id).*/
@Input() protected searchArea = '';
@Output() onSubmit: EventEmitter<string>; // Send data when submitting the search form.
@Output() onClear: EventEmitter<void>; // Send event when clearing the search form.
formElement?: HTMLFormElement;
searched = ''; // Last search emitted.
searchText = '';
history: CoreSearchHistoryItem[] = [];
historyShown = false;
constructor() {
this.onSubmit = new EventEmitter<string>();
this.onClear = new EventEmitter<void>();
}
ngOnInit(): void {
this.searchLabel = this.searchLabel || Translate.instance.instant('core.search');
this.placeholder = this.placeholder || Translate.instance.instant('core.search');
this.spellcheck = CoreUtils.instance.isTrueOrOne(this.spellcheck);
this.showClear = CoreUtils.instance.isTrueOrOne(this.showClear);
this.searchText = this.initialSearch;
if (this.searchArea) {
this.loadHistory();
}
}
/**
* Form submitted.
*
* @param e Event.
*/
submitForm(e?: Event): void {
e && e.preventDefault();
e && e.stopPropagation();
if (this.searchText.length < this.lengthCheck) {
// The view should handle this case, but we check it here too just in case.
return;
}
if (this.searchArea) {
this.saveSearchToHistory(this.searchText);
}
CoreDomUtils.instance.triggerFormSubmittedEvent(this.formElement, false, CoreSites.instance.getCurrentSiteId());
this.historyShown = false;
this.searched = this.searchText;
this.onSubmit.emit(this.searchText);
}
/**
* Saves the search term onto the history.
*
* @param text Text to save.
* @return Promise resolved when done.
*/
protected async saveSearchToHistory(text: string): Promise<void> {
try {
await CoreSearchHistory.instance.insertOrUpdateSearchText(this.searchArea, text.toLowerCase());
} finally {
this.loadHistory();
}
}
/**
* Loads search history.
*
* @return Promise resolved when done.
*/
protected async loadHistory(): Promise<void> {
this.history = await CoreSearchHistory.instance.getSearchHistory(this.searchArea);
}
/**
* Select an item and use it for search text.
*
* @param e Event.
* @param text Selected text.
*/
historyClicked(e: Event, text: string): void {
if (this.searched != text) {
this.searchText = text;
this.submitForm(e);
}
}
/**
* Form submitted.
*/
clearForm(): void {
this.searched = '';
this.searchText = '';
this.onClear.emit();
}
/**
* @param event Focus event on input element.
*/
focus(event: CustomEvent): void {
this.historyShown = true;
if (!this.formElement) {
this.formElement = event.detail.target.closest('form');
this.formElement?.addEventListener('blur', () => {
// Wait the new element to be focused.
setTimeout(() => {
if (document.activeElement?.closest('form') != this.formElement) {
this.historyShown = false;
}
});
}, true);
}
}
}

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@ -0,0 +1,28 @@
// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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.
import { NgModule } from '@angular/core';
import { CoreSearchComponentsModule } from './components/components.module';
@NgModule({
declarations: [
],
imports: [
CoreSearchComponentsModule,
],
providers: [
CoreSearchComponentsModule,
],
})
export class CoreSearchModule {}

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@ -0,0 +1,133 @@
// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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.
import { Injectable } from '@angular/core';
import { CoreSites } from '@services/sites';
import { SQLiteDB } from '@classes/sqlitedb';
import { CoreSearchHistoryDBRecord, SEARCH_HISTORY_TABLE_NAME } from './search.history.db';
import { makeSingleton } from '@/app/singletons/core.singletons';
/**
* Service that enables adding a history to a search box.
*/
@Injectable({
providedIn: 'root',
})
export class CoreSearchHistoryProvider {
protected static readonly HISTORY_LIMIT = 10;
/**
* Get a search area history sorted by use.
*
* @param searchArea Search Area Name.
* @param siteId Site ID. If not defined, current site.
* @return Promise resolved with the list of items when done.
*/
async getSearchHistory(searchArea: string, siteId?: string): Promise<CoreSearchHistoryDBRecord[]> {
const site = await CoreSites.instance.getSite(siteId);
const conditions = {
searcharea: searchArea,
};
const history: CoreSearchHistoryDBRecord[] = await site.getDb().getRecords(SEARCH_HISTORY_TABLE_NAME, conditions);
// Sorting by last used DESC.
return history.sort((a, b) => (b.lastused || 0) - (a.lastused || 0));
}
/**
* Controls search limit and removes the last item if overflows.
*
* @param searchArea Search area to control
* @param db SQLite DB where to perform the search.
* @return Resolved when done.
*/
protected async controlSearchLimit(searchArea: string, db: SQLiteDB): Promise<void> {
const items = await this.getSearchHistory(searchArea);
if (items.length > CoreSearchHistoryProvider.HISTORY_LIMIT) {
// Over the limit. Remove the last.
const lastItem = items.pop();
const searchItem = {
searcharea: lastItem!.searcharea,
searchedtext: lastItem!.searchedtext,
};
await db.deleteRecords(SEARCH_HISTORY_TABLE_NAME, searchItem);
}
}
/**
* Updates the search history item if exists.
*
* @param searchArea Area where the search has been performed.
* @param text Text of the performed text.
* @param db SQLite DB where to perform the search.
* @return True if exists, false otherwise.
*/
protected async updateExistingItem(searchArea: string, text: string, db: SQLiteDB): Promise<boolean> {
const searchItem = {
searcharea: searchArea,
searchedtext: text,
};
try {
const existingItem: CoreSearchHistoryDBRecord = await db.getRecord(SEARCH_HISTORY_TABLE_NAME, searchItem);
// If item exist, update time and number of times searched.
existingItem.lastused = Date.now();
existingItem.times++;
await db.updateRecords(SEARCH_HISTORY_TABLE_NAME, existingItem, searchItem);
return true;
} catch {
return false;
}
}
/**
* Inserts a searched term on the history.
*
* @param searchArea Area where the search has been performed.
* @param text Text of the performed text.
* @param siteId Site ID. If not defined, current site.
* @return Resolved when done.
*/
async insertOrUpdateSearchText(searchArea: string, text: string, siteId?: string): Promise<void> {
const site = await CoreSites.instance.getSite(siteId);
const db = site.getDb();
const exists = await this.updateExistingItem(searchArea, text, db);
if (!exists) {
// If item is new, control the history does not goes over the limit.
const searchItem: CoreSearchHistoryDBRecord = {
searcharea: searchArea,
searchedtext: text,
lastused: Date.now(),
times: 1,
};
await db.insertRecord(SEARCH_HISTORY_TABLE_NAME, searchItem);
await this.controlSearchLimit(searchArea, db);
}
}
}
export class CoreSearchHistory extends makeSingleton(CoreSearchHistoryProvider) {}

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@ -0,0 +1,67 @@
// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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.
import { CoreSiteSchema, registerSiteSchema } from '@services/sites';
/**
* Database variables for CoreSearchHistory service.
*/
export const SEARCH_HISTORY_TABLE_NAME = 'seach_history';
const SITE_SCHEMA: CoreSiteSchema = {
name: 'CoreSearchHistoryProvider',
version: 1,
tables: [
{
name: SEARCH_HISTORY_TABLE_NAME,
columns: [
{
name: 'searcharea',
type: 'TEXT',
notNull: true,
},
{
name: 'lastused',
type: 'INTEGER',
notNull: true,
},
{
name: 'times',
type: 'INTEGER',
notNull: true,
},
{
name: 'searchedtext',
type: 'TEXT',
notNull: true,
},
],
primaryKeys: ['searcharea', 'searchedtext'],
},
],
};
/**
* Search history item definition.
*/
export type CoreSearchHistoryDBRecord = {
searcharea: string; // Search area where the search has been performed.
lastused: number; // Timestamp of the last search.
searchedtext: string; // Text of the performed search.
times: number; // Times search has been performed (if previously in history).
};
export const initCoreSearchHistoryDB = (): void => {
registerSiteSchema(SITE_SCHEMA);
};

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@ -20,6 +20,5 @@ import { CoreSettingsRoutingModule } from './settings-routing.module';
imports: [
CoreSettingsRoutingModule,
],
declarations: [],
})
export class CoreSettingsModule {}

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@ -1725,14 +1725,14 @@ export class CoreDomUtilsProvider {
* @param online Whether the action was done in offline or not.
* @param siteId The site affected. If not provided, no site affected.
*/
triggerFormSubmittedEvent(formRef: ElementRef | undefined, online?: boolean, siteId?: string): void {
triggerFormSubmittedEvent(formRef: ElementRef | HTMLFormElement | undefined, online?: boolean, siteId?: string): void {
if (!formRef) {
return;
}
CoreEvents.trigger(CoreEvents.FORM_ACTION, {
action: 'submit',
form: formRef.nativeElement,
form: formRef.nativeElement || formRef,
online: !!online,
}, siteId);
}