forked from EVOgeek/Vmeda.Online
109 lines
4.5 KiB
TypeScript
109 lines
4.5 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Component, OnInit, OnChanges, ViewChild, Input, Output, SimpleChange, Type, EventEmitter } from '@angular/core';
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import { FormGroup } from '@angular/forms';
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import { CoreDynamicComponent } from '@components/dynamic-component/dynamic-component';
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import { CoreFormFields } from '@singletons/form';
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import { AddonModDataEntryFieldInitialized } from '../../classes/field-plugin-component';
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import { AddonModDataData, AddonModDataField, AddonModDataTemplateMode } from '../../services/data';
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import { AddonModDataFieldsDelegate } from '../../services/data-fields-delegate';
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/**
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* Component that displays a database field plugin.
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*/
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@Component({
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selector: 'addon-mod-data-field-plugin',
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templateUrl: 'addon-mod-data-field-plugin.html',
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})
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export class AddonModDataFieldPluginComponent implements OnInit, OnChanges {
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@ViewChild(CoreDynamicComponent) dynamicComponent?: CoreDynamicComponent;
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@Input() mode!: AddonModDataTemplateMode; // The render mode.
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@Input() field!: AddonModDataField; // The field to render.
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@Input() value?: unknown; // The value of the field.
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@Input() database?: AddonModDataData; // Database object.
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@Input() error?: string; // Error when editing.
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@Input() form?: FormGroup; // Form where to add the form control. Just required for edit and search modes.
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@Input() searchFields?: CoreFormFields; // The search value of all fields.
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@Output() gotoEntry = new EventEmitter<number>(); // Action to perform.
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// Output called when the field is initialized with a value and it didn't have one already.
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@Output() onFieldInit = new EventEmitter<AddonModDataEntryFieldInitialized>();
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fieldComponent?: Type<unknown>; // Component to render the plugin.
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pluginData?: AddonDataFieldPluginComponentData; // Data to pass to the component.
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fieldLoaded = false;
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/**
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* Component being initialized.
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*/
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async ngOnInit(): Promise<void> {
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if (!this.field) {
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this.fieldLoaded = true;
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return;
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}
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try {
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// Check if the plugin has defined its own component to render itself.
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this.fieldComponent = await AddonModDataFieldsDelegate.getComponentForField(this.field);
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if (this.fieldComponent) {
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// Prepare the data to pass to the component.
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this.pluginData = {
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mode: this.mode,
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field: this.field,
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value: this.value,
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database: this.database,
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error: this.error,
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form: this.form,
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searchFields: this.searchFields,
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gotoEntry: this.gotoEntry,
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onFieldInit: this.onFieldInit,
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};
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}
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} finally {
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this.fieldLoaded = true;
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}
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}
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/**
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* Component being changed.
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*/
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ngOnChanges(changes: { [name: string]: SimpleChange }): void {
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if (this.fieldLoaded && this.pluginData) {
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if (this.mode == AddonModDataTemplateMode.EDIT && changes.error) {
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this.pluginData.error = changes.error.currentValue;
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}
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if ((this.mode == AddonModDataTemplateMode.SHOW || this.mode == AddonModDataTemplateMode.LIST) && changes.value) {
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this.pluginData.value = changes.value.currentValue;
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}
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}
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}
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}
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export type AddonDataFieldPluginComponentData = {
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mode: AddonModDataTemplateMode; // The render mode.
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field: AddonModDataField; // The field to render.
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value?: unknown; // The value of the field.
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database?: AddonModDataData; // Database object.
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error?: string; // Error when editing.
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form?: FormGroup; // Form where to add the form control. Just required for edit and search modes.
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searchFields?: CoreFormFields; // The search value of all fields.
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gotoEntry: EventEmitter<number>;
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onFieldInit: EventEmitter<AddonModDataEntryFieldInitialized>;
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};
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