1 import {Component, Input, Output, OnInit, AfterViewInit, EventEmitter,
2 OnDestroy, ViewChild, ViewEncapsulation} from '@angular/core';
3 import {IdlService} from '@eg/core/idl.service';
4 import {OrgService} from '@eg/core/org.service';
5 import {ServerStoreService} from '@eg/core/server-store.service';
6 import {FormatService} from '@eg/core/format.service';
7 import {GridContext, GridColumn, GridDataSource, GridRowFlairEntry} from './grid';
8 import {GridToolbarComponent} from './grid-toolbar.component';
11 * Main grid entry point.
16 templateUrl: './grid.component.html',
17 styleUrls: ['grid.component.css'],
18 // share grid css globally once imported so all grid component CSS
19 // can live in grid.component.css and to avoid multiple copies of
20 // the CSS when multiple grids are displayed.
21 encapsulation: ViewEncapsulation.None
24 export class GridComponent implements OnInit, AfterViewInit, OnDestroy {
26 // Source of row data.
27 @Input() dataSource: GridDataSource;
29 // IDL class for auto-generation of columns
30 @Input() idlClass: string;
32 // True if any columns are sortable
33 @Input() sortable: boolean;
35 // True if the grid supports sorting of multiple columns at once
36 @Input() multiSortable: boolean;
38 // If true, grid sort requests only operate on data that
39 // already exists in the grid data source -- no row fetching.
40 // The assumption is all data is already available.
41 @Input() useLocalSort: boolean;
43 // Storage persist key / per-grid-type unique identifier
44 // The value is prefixed with 'eg.grid.'
46 // If persistKey is set to "disabled", or does not exist,
47 // the grid will not display a Save button to the user
48 @Input() persistKey: string;
50 @Input() disableSelect: boolean;
52 // Prevent selection of multiple rows
53 @Input() disableMultiSelect: boolean;
55 // Show an extra column in the grid where the caller can apply
56 // row-specific flair (material icons).
57 @Input() rowFlairIsEnabled: boolean;
59 // Returns a material icon name to display in the flar column
60 // (if enabled) for the given row.
61 @Input() rowFlairCallback: (row: any) => GridRowFlairEntry;
63 // Returns a space-separated list of CSS class names to apply to
65 @Input() rowClassCallback: (row: any) => string;
67 // Returns a space-separated list of CSS class names to apply to
68 // a given cell or all cells in a column.
69 @Input() cellClassCallback: (row: any, col: GridColumn) => string;
71 // comma-separated list of fields to show by default.
72 // This field takes precedence over hideFields.
73 // When a value is applied, any field not in this list will
75 @Input() showFields: string;
77 // comma-separated list of fields to hide.
78 // This does not imply all other fields should be visible, only that
79 // the selected fields will be hidden.
80 @Input() hideFields: string;
82 // When true, only display columns that are declared in the markup
83 // and leave all auto-generated fields hidden.
84 @Input() showDeclaredFieldsOnly: boolean;
86 // Allow the caller to jump directly to a specific page of
88 @Input() pageOffset: number;
89 // Pass in a default page size. May be overridden by settings.
90 @Input() pageSize: number;
92 @Input() showLinkSelectors: boolean;
94 @Input() disablePaging: boolean;
98 // filterable: true if the result filtering controls
99 // should be displayed
100 @Input() filterable: boolean;
102 // sticky grid header
104 // stickyHeader: true of the grid header should be
105 // "sticky", i.e., remain visible if if the table is long
106 // and the user has scrolled far enough that the header
107 // would go out of view
108 @Input() stickyHeader: boolean;
110 context: GridContext;
112 // These events are emitted from our grid-body component.
113 // They are defined here for ease of access to the caller.
114 @Output() onRowActivate: EventEmitter<any>;
115 @Output() onRowClick: EventEmitter<any>;
117 @ViewChild('toolbar', { static: true }) toolbar: GridToolbarComponent;
120 private idl: IdlService,
121 private org: OrgService,
122 private store: ServerStoreService,
123 private format: FormatService
126 new GridContext(this.idl, this.org, this.store, this.format);
127 this.onRowActivate = new EventEmitter<any>();
128 this.onRowClick = new EventEmitter<any>();
133 if (!this.dataSource) {
134 throw new Error('<eg-grid/> requires a [dataSource]');
137 this.context.idlClass = this.idlClass;
138 this.context.dataSource = this.dataSource;
139 this.context.persistKey = this.persistKey;
140 this.context.isSortable = this.sortable === true;
141 this.context.isFilterable = this.filterable === true;
142 this.context.stickyGridHeader = this.stickyHeader === true;
143 this.context.isMultiSortable = this.multiSortable === true;
144 this.context.useLocalSort = this.useLocalSort === true;
145 this.context.disableSelect = this.disableSelect === true;
146 this.context.disableMultiSelect = this.disableMultiSelect === true;
147 this.context.rowFlairIsEnabled = this.rowFlairIsEnabled === true;
148 this.context.showDeclaredFieldsOnly = this.showDeclaredFieldsOnly;
149 this.context.rowFlairCallback = this.rowFlairCallback;
150 this.context.disablePaging = this.disablePaging === true;
151 if (this.showFields) {
152 this.context.defaultVisibleFields = this.showFields.split(',');
154 if (this.hideFields) {
155 this.context.defaultHiddenFields = this.hideFields.split(',');
158 if (this.pageOffset) {
159 this.context.pager.offset = this.pageOffset;
163 this.context.pager.limit = this.pageSize;
166 // TS doesn't seem to like: let foo = bar || () => '';
167 this.context.rowClassCallback =
168 this.rowClassCallback || function () { return ''; };
169 this.context.cellClassCallback =
170 this.cellClassCallback || function() { return ''; };
172 if (this.showLinkSelectors) {
174 'showLinkSelectors is deprecated and no longer has any effect');
181 this.context.initData();
185 this.context.destroy();
189 this.toolbar.printHtml();
193 this.context.reload();
195 reloadWithoutPagerReset() {
196 this.context.reloadWithoutPagerReset();