1 import {Component, OnInit, AfterViewInit, Renderer2} from '@angular/core';
2 import {Router} from '@angular/router';
3 import {IdlObject} from '@eg/core/idl.service';
4 import {OrgService} from '@eg/core/org.service';
5 import {CatalogService} from '@eg/share/catalog/catalog.service';
6 import {CatalogSearchContext, CatalogSearchState} from '@eg/share/catalog/search-context';
7 import {StaffCatalogService} from './catalog.service';
8 import {NgbTabset, NgbTabChangeEvent} from '@ng-bootstrap/ng-bootstrap';
11 selector: 'eg-catalog-search-form',
12 styleUrls: ['search-form.component.css'],
13 templateUrl: 'search-form.component.html'
15 export class SearchFormComponent implements OnInit, AfterViewInit {
17 context: CatalogSearchContext;
18 ccvmMap: {[ccvm: string]: IdlObject[]} = {};
19 cmfMap: {[cmf: string]: IdlObject} = {};
20 showSearchFilters = false;
21 copyLocations: IdlObject[];
25 private renderer: Renderer2,
26 private router: Router,
27 private org: OrgService,
28 private cat: CatalogService,
29 private staffCat: StaffCatalogService
31 this.copyLocations = [];
35 this.ccvmMap = this.cat.ccvmMap;
36 this.cmfMap = this.cat.cmfMap;
37 this.context = this.staffCat.searchContext;
39 // Start with advanced search options open
40 // if any filters are active.
41 this.showSearchFilters = this.filtersActive();
45 // Query inputs are generated from search context data,
46 // so they are not available until after the first render.
47 // Search context data is extracted synchronously from the URL.
49 // Avoid changing the tab in the lifecycle hook thread.
52 // Apply a tab if none was already specified
53 if (!this.searchTab) {
54 // Assumes that only one type of search will be searchable
56 if (this.context.marcSearch.isSearchable()) {
57 this.searchTab = 'marc';
58 } else if (this.context.identSearch.isSearchable()) {
59 this.searchTab = 'ident';
60 } else if (this.context.browseSearch.isSearchable()) {
61 this.searchTab = 'browse';
64 this.searchTab = 'term';
65 this.refreshCopyLocations();
73 onTabChange(evt: NgbTabChangeEvent) {
74 this.searchTab = evt.nextId;
76 // Focus after tab-change event has a chance to complete
77 // or the tab body and its input won't exist yet and no
78 // elements will be focus-able.
79 setTimeout(() => this.focusTabInput());
83 // Select a DOM node to focus when the tab changes.
85 switch (this.searchTab) {
87 selector = '#ident-query-input';
90 selector = '#first-marc-tag';
93 selector = '#browse-term-input';
96 selector = '#cnbrowse-term-input';
99 this.refreshCopyLocations();
100 selector = '#first-query-input';
104 // TODO: sometime the selector is not available in the DOM
105 // until even later (even with setTimeouts). Need to fix this.
106 // Note the error is thrown from selectRootElement(), not the
107 // call to .focus() on a null reference.
108 this.renderer.selectRootElement(selector).focus();
113 * Display the advanced/extended search options when asked to
114 * or if any advanced options are selected.
116 showFilters(): boolean {
117 return this.showSearchFilters;
121 this.showSearchFilters = !this.showSearchFilters;
122 this.refreshCopyLocations();
125 filtersActive(): boolean {
127 if (this.context.termSearch.copyLocations[0] !== '') { return true; }
129 // ccvm filters may be present without any filters applied.
130 // e.g. if filters were applied then removed.
132 Object.keys(this.context.termSearch.ccvmFilters).forEach(ccvm => {
133 if (this.context.termSearch.ccvmFilters[ccvm][0] !== '') {
141 orgOnChange = (org: IdlObject): void => {
142 this.context.searchOrg = org;
143 this.refreshCopyLocations();
146 refreshCopyLocations() {
147 if (!this.showFilters()) { return; }
149 // TODO: is this how we avoid displaying too many locations?
150 const org = this.context.searchOrg;
151 if (org.id() === this.org.root().id()) {
152 this.copyLocations = [];
156 this.cat.fetchCopyLocations(org).then(() =>
157 this.copyLocations = this.cat.copyLocations
161 orgName(orgId: number): string {
162 return this.org.get(orgId).shortname();
165 addSearchRow(index: number): void {
166 this.context.termSearch.query.splice(index, 0, '');
167 this.context.termSearch.fieldClass.splice(index, 0, 'keyword');
168 this.context.termSearch.joinOp.splice(index, 0, '&&');
169 this.context.termSearch.matchOp.splice(index, 0, 'contains');
172 delSearchRow(index: number): void {
173 this.context.termSearch.query.splice(index, 1);
174 this.context.termSearch.fieldClass.splice(index, 1);
175 this.context.termSearch.joinOp.splice(index, 1);
176 this.context.termSearch.matchOp.splice(index, 1);
179 addMarcSearchRow(index: number): void {
180 this.context.marcSearch.tags.splice(index, 0, '');
181 this.context.marcSearch.subfields.splice(index, 0, '');
182 this.context.marcSearch.values.splice(index, 0, '');
185 delMarcSearchRow(index: number): void {
186 this.context.marcSearch.tags.splice(index, 1);
187 this.context.marcSearch.subfields.splice(index, 1);
188 this.context.marcSearch.values.splice(index, 1);
191 searchByForm(): void {
192 this.context.pager.offset = 0; // New search
194 // Form search overrides basket display
195 this.context.showBasket = false;
197 switch (this.searchTab) {
199 case 'term': // AKA keyword search
200 this.context.marcSearch.reset();
201 this.context.browseSearch.reset();
202 this.context.identSearch.reset();
203 this.context.cnBrowseSearch.reset();
204 this.context.termSearch.hasBrowseEntry = '';
205 this.context.termSearch.browseEntry = null;
206 this.context.termSearch.fromMetarecord = null;
207 this.context.termSearch.facetFilters = [];
208 this.staffCat.search();
212 this.context.marcSearch.reset();
213 this.context.browseSearch.reset();
214 this.context.termSearch.reset();
215 this.context.cnBrowseSearch.reset();
216 this.staffCat.search();
220 this.context.browseSearch.reset();
221 this.context.termSearch.reset();
222 this.context.identSearch.reset();
223 this.context.cnBrowseSearch.reset();
224 this.staffCat.search();
228 this.context.marcSearch.reset();
229 this.context.termSearch.reset();
230 this.context.identSearch.reset();
231 this.context.cnBrowseSearch.reset();
232 this.context.browseSearch.pivot = null;
233 this.staffCat.browse();
237 this.context.marcSearch.reset();
238 this.context.termSearch.reset();
239 this.context.identSearch.reset();
240 this.context.browseSearch.reset();
241 this.context.cnBrowseSearch.offset = 0;
242 this.staffCat.cnBrowse();
247 // https://stackoverflow.com/questions/42322968/angular2-dynamic-input-field-lose-focus-when-input-changes
248 trackByIdx(index: any, item: any) {
252 searchIsActive(): boolean {
253 return this.context.searchState === CatalogSearchState.SEARCHING;