multi-select

This commit is contained in:
Yubing325 2020-07-06 14:12:00 -05:00
parent 420c2c18b6
commit 0f031101c9
12 changed files with 233 additions and 49 deletions

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@ -1 +1,29 @@
<p>multi-select works!</p>
<ng-select [items]="data$ |async"
[bindLabel]="bindLabel"
[bindValue]="bindValue"
autofocus
[typeahead] = "searchInput$"
[trackByFn]="trackFn"
[searchable]="true"
[multiple]="true"
(change)="valueChanged($event)">
<ng-container *ngIf="hasOptionTemplate">
<ng-template ng-option-tmp let-item="item" let-index="index">
<ng-container [ngTemplateOutlet]="selectOptionTemplate"
[ngTemplateOutletContext]="{
$implicit: item,
index: index
}"></ng-container>
</ng-template>
</ng-container>
<ng-container *ngIf="hasLabelTemplate">
<ng-template ng-label-tmp let-item="item" let-index="index">
<ng-container [ngTemplateOutlet]="selectLabelTemplate"
[ngTemplateOutletContext]="{
$implicit: item,
index: index
}"></ng-container>
</ng-template>
</ng-container>
</ng-select>

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@ -1,15 +1,158 @@
import { Component, OnInit } from '@angular/core';
import { Component, OnInit, ContentChild, ViewChild, Input, Output, EventEmitter, ChangeDetectorRef, forwardRef } from '@angular/core';
import { SelectLabelTemplateDirective } from '../select-label-template.directive';
import { IDataSource, ISimpleFilter } from '@poweredsoft/data';
import { Observable, Subject, Subscription } from 'rxjs';
import { map, distinctUntilChanged, debounceTime } from 'rxjs/operators';
import { NgSelectComponent as SelectComponent } from '@ng-select/ng-select';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { SelectOptionTemplateDirective } from '../select-option-template.directive';
@Component({
selector: 'ps-ng-multi-select',
templateUrl: './multi-select.component.html',
providers: [{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => MultiSelectComponent),
multi: true
}],
styleUrls: ['./multi-select.component.scss']
})
export class MultiSelectComponent implements OnInit {
constructor() { }
@ContentChild(SelectOptionTemplateDirective) optionTemplate: SelectOptionTemplateDirective;
@ContentChild(SelectLabelTemplateDirective) labelTemplate: SelectLabelTemplateDirective;
@ViewChild(SelectComponent, { static: true }) selectComponent: SelectComponent;
@Input() dataSource: IDataSource<any>;
@Input() searchPath: string;
@Input() searchType: string;
@Input() sortingPath: string;
@Input() serverFiltering:boolean;
@Input() bindLabel:string;
@Input() bindValue: string;
@Output('change') changeEvent = new EventEmitter();
trackFn: (item: any) => any;
data$ : Observable<any[]>;
isLoading:boolean = false;
searchInput$ = new Subject<string>();
private _loadingSubscription: Subscription;
constructor(private cdr: ChangeDetectorRef) {
this.trackFn = this.trackBy.bind(this);
}
trackBy(item: any) {
return this.dataSource.resolveIdField(item);
}
valueChanged(event) {
this.changeEvent.emit(event);
}
writeValue(obj: any): void {
this.selectComponent.writeValue(obj);
}
registerOnChange(fn: any): void {
this.selectComponent.registerOnChange(fn);
}
registerOnTouched(fn: any): void {
this.selectComponent.registerOnTouched(fn);
}
setDisabledState?(isDisabled: boolean): void {
if (this.selectComponent.setDisabledState)
this.selectComponent.setDisabledState(isDisabled);
}
ngOnDestroy(): void {
this._loadingSubscription.unsubscribe();
}
ngOnInit(): void {
this.dataFetching();
this.detectLoading();
console.log(this.serverFiltering);
if(this.serverFiltering){
this.searchOnServer();
}else{
this.refreshDataSource();
}
}
dataFetching(){
this.data$ = this.dataSource.data$.pipe(
map(t => {
if (t == null)
return [];
return t.data;
})
);
}
detectLoading(){
this._loadingSubscription = this.dataSource.loading$.subscribe(loading => {
this.isLoading = loading;
this.cdr.detectChanges();
});
}
searchOnServer(){
this.searchInput$.pipe(
distinctUntilChanged(), // emit the difference from previous input
debounceTime(500) // this is for delaying searching speed
).subscribe(searchTerm => this.refreshDataSource(searchTerm, 1, 100)); // page: 1, pageSize: 50
this.refreshDataSource(); //send the query to server to sorting & filtering by default
}
get selectedModel() {
return this.selectComponent.selectedItems.map(t => t.value);
//return this.selectComponent.hasValue ? this.selectComponent.selectedItems[0].value : null;
}
refreshDataSource(searchTerm:any = null, page:number = null, pageSize:number = null){
let searchfilters:ISimpleFilter[] = null;
if(searchTerm){
searchfilters = [<ISimpleFilter>{
path: this.searchPath || this.bindLabel,
type: this.searchType || 'Contains', // Default: Contains
value: searchTerm
}]
}
this.dataSource.query({
page: page,
pageSize: pageSize,
filters:searchfilters,
sorts:[
{path: this.sortingPath || this.bindLabel, ascending: true}
]
})
}
get hasOptionTemplate() {
return this.optionTemplate ? true : false;
}
get selectOptionTemplate(){
if (this.optionTemplate)
return this.optionTemplate.template;
return null;
}
get hasLabelTemplate() {
return this.labelTemplate ? true : false;
}
get selectLabelTemplate(){
if (this.labelTemplate)
return this.labelTemplate.template;
return null;
}
}

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@ -14,4 +14,14 @@
}"></ng-container>
</ng-template>
</ng-container>
<ng-container *ngIf="hasLabelTemplate">
<ng-template ng-label-tmp let-item="item" let-index="index">
<ng-container [ngTemplateOutlet]="selectLabelTemplate"
[ngTemplateOutletContext]="{
$implicit: item,
index: index
}"></ng-container>
</ng-template>
</ng-container>
</ng-select>

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@ -5,6 +5,8 @@ import { Observable, Subject, Subscription } from 'rxjs';
import { map, distinctUntilChanged, debounceTime } from 'rxjs/operators';
import { NgSelectComponent as SelectComponent } from '@ng-select/ng-select';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { SelectOptionTemplateDirective } from '../select-option-template.directive';
@Component({
selector: 'ps-ng-select',
@ -18,7 +20,10 @@ import { NG_VALUE_ACCESSOR } from '@angular/forms';
})
export class NgSelectComponent implements OnInit {
@ContentChild(SelectLabelTemplateDirective) LabelTemplate: SelectLabelTemplateDirective;
@ContentChild(SelectOptionTemplateDirective) optionTemplate: SelectOptionTemplateDirective;
@ContentChild(SelectLabelTemplateDirective) labelTemplate: SelectLabelTemplateDirective;
@ViewChild(SelectComponent, { static: true }) selectComponent: SelectComponent;
@Input() dataSource: IDataSource<any>;
@Input() searchPath: string;
@ -108,7 +113,7 @@ export class NgSelectComponent implements OnInit {
}
get selectedModel() {
return this.selectComponent.hasValue ? this.selectComponent.selectedItems[0].value : null;
return this.selectComponent.hasValue ? this.selectComponent.selectedItems[0] : null;
}
refreshDataSource(searchTerm:any = null, page:number = null, pageSize:number = null){
@ -131,13 +136,22 @@ export class NgSelectComponent implements OnInit {
}
get hasOptionTemplate() {
return this.LabelTemplate ? true : false;
return this.optionTemplate ? true : false;
}
get selectOptionTemplate(){
if (this.LabelTemplate)
return this.LabelTemplate.template;
if (this.optionTemplate)
return this.optionTemplate.template;
return null;
}
get hasLabelTemplate() {
return this.labelTemplate ? true : false;
}
get selectLabelTemplate(){
if (this.labelTemplate)
return this.labelTemplate.template;
return null;
}
}

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@ -5,11 +5,12 @@ import { MultiSelectComponent } from './multi-select/multi-select.component';
import { FormsModule } from '@angular/forms';
import { NgSelectModule } from '@ng-select/ng-select';
import { SelectLabelTemplateDirective } from './select-label-template.directive';
import { SelectOptionTemplateDirective } from './select-option-template.directive';
@NgModule({
declarations: [NgSelectComponent, MultiSelectComponent, SelectLabelTemplateDirective],
declarations: [NgSelectComponent, MultiSelectComponent, SelectLabelTemplateDirective, SelectOptionTemplateDirective],
imports: [
CommonModule,
FormsModule,
@ -18,7 +19,8 @@ import { SelectLabelTemplateDirective } from './select-label-template.directive'
exports:[
NgSelectComponent,
MultiSelectComponent,
SelectLabelTemplateDirective
SelectLabelTemplateDirective,
SelectOptionTemplateDirective
]
})
export class PsNgSelectorsModule { }

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@ -1,8 +0,0 @@
import { SelectLabelTemplateDirective } from './select-label-template.directive';
describe('SelectLabelTemplateDirective', () => {
it('should create an instance', () => {
const directive = new SelectLabelTemplateDirective();
expect(directive).toBeTruthy();
});
});

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@ -1,7 +1,7 @@
import { Directive, TemplateRef } from '@angular/core';
@Directive({
selector: '[psSelectOptionTemplate]'
selector: '[psNgSelectOption]'
})
export class SelectOptionTemplateDirective {

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@ -6,6 +6,7 @@ export * from './lib/ps-ng-selectors/ps-ng-selectors.module';
export * from './lib/ps-ng-selectors/ng-select/ng-select.component';
export * from './lib/ps-ng-selectors/multi-select/multi-select.component';
export * from './lib/ps-ng-selectors/select-label-template.directive';
export * from './lib/ps-ng-selectors/select-option-template.directive'

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@ -4,17 +4,17 @@ import { NgSelectComponent } from './ng-select/ng-select.component';
import { NgMultiSelectComponent } from './ng-multi-select/ng-multi-select.component';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { NgSelectModule } from '@ng-select/ng-select';
import { SelectOptionTemplateDirective } from './select-option-template.directive';
@NgModule({
declarations: [NgSelectComponent, NgMultiSelectComponent, SelectOptionTemplateDirective],
declarations: [NgSelectComponent, NgMultiSelectComponent ],
imports: [
CommonModule,
FormsModule,
NgSelectModule,
],
exports:[NgSelectComponent,NgMultiSelectComponent,SelectOptionTemplateDirective]
exports:[NgSelectComponent,NgMultiSelectComponent]
})
export class PsSelectorsModule { }

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@ -17,4 +17,3 @@ export * from './lib/data-grid/directives/data-grid-col-sort.directive';
export * from './lib/ps-selectors/ps-selectors.module';
export * from './lib/ps-selectors/ng-select/ng-select.component';
export * from './lib/ps-selectors/ng-multi-select/ng-multi-select.component';
export * from './lib/ps-selectors/select-option-template.directive';

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@ -1,39 +1,34 @@
<h2>Single Select Demo</h2>
<ps-ng-select [dataSource]="merchantDataSource" bindLabel="name" bindValue="id" [serverFiltering]="true">
<div *psNgSelectLabel="let item">
{{ item.name }} - {{ item.address }}
<h2>Single Select Demo | ngModel | option template</h2>
<ps-ng-select [dataSource]="merchantDataSource" bindLabel="name" bindValue="id" [(ngModel)]="myValue">
<div *psNgSelectOption="let item">
<!-- {{ item.name }} - {{ item.address }} -->
{{item | json}}
</div>
</ps-ng-select>
selected: {{ myValue | json }}
<!-- <h2>Multi-Select Demo</h2>
<ps-ng-multi-select [dataSource]="merchantDataSource" [searchPath]="'name'" [sortingPath]="'name'" [disableServer]="false" [bindLabel]="'name'"></ps-ng-multi-select> -->
<!-- <form>
<ps-ng-select [dataSource]="merchantDataSource" searchPath="name" sortingPath="name" formControlName="name" [disableServer]="false" bindLabel="name">
<ng-template *psNgSelectLabel="let item" ng-label-tmp >
<span>Name: </span> {{item.name}} | <span>Adress: </span>{{item.address}} | <span>Date: </span>{{item.openDate}}
</ng-template>
</ps-ng-select>
</form> -->
<!--
<h2>Single Select With Form | formGroup | option template</h2>
<form #form [formGroup]="myForm">
<ps-ng-select [dataSource]="merchantDataSource" bindLabel="name" bindValue="id" formControlName="merchantId">
<div *psNgSelectLabel="let item">
<ps-ng-select [dataSource]="merchantDataSource" bindLabel="name" bindValue="id" formControlName="merchantId" [serverFiltering]="true">
<div *psNgSelectOption="let item">
{{ item.name }} - {{ item.address }}
</div>
</ps-ng-select>
</form>
{{ myForm.value | json }}
selected: {{ myForm.value | json }}
<ps-ng-select [dataSource]="merchantDataSource" bindLabel="name" bindValue="id" [(ngModel)]="myValue">
<div *psNgSelectLabel="let item">
{{ item.name }} - {{ item.address }}
<h2>Single Select Demo | label Template</h2>
<ps-ng-select [dataSource]="merchantDataSource" bindLabel="name" bindValue="id" [(ngModel)]="myValue" [serverFiltering]="true">
<div *psNgSelectLabel="let item">
<span>Name: </span>{{ item.name }} - <img src="/src/assets/avatar.png"><span> Address: </span>{{item.address }}
</div>
</ps-ng-select>
{{ myValue | json }} -->
<h2>Multi-Select Demo</h2>
<ps-ng-multi-select [dataSource]="merchantDataSource" bindLabel="name" bindValue="id" [serverFiltering]="true" [(ngModel)]="myValue" >
</ps-ng-multi-select>
selected: {{ myValue | json }}

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