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,
8 GridCellTextGenerator, GridRowFlairEntry} from './grid';
9 import {GridToolbarComponent} from './grid-toolbar.component';
12 * Main grid entry point.
17 templateUrl: './grid.component.html',
18 styleUrls: ['grid.component.css'],
19 // share grid css globally once imported so all grid component CSS
20 // can live in grid.component.css and to avoid multiple copies of
21 // the CSS when multiple grids are displayed.
22 encapsulation: ViewEncapsulation.None
25 export class GridComponent implements OnInit, AfterViewInit, OnDestroy {
27 // Source of row data.
28 @Input() dataSource: GridDataSource;
30 // IDL class for auto-generation of columns
31 @Input() idlClass: string;
33 // True if any columns are sortable
34 @Input() sortable: boolean;
36 // True if the grid supports sorting of multiple columns at once
37 @Input() multiSortable: boolean;
39 // If true, grid sort requests only operate on data that
40 // already exists in the grid data source -- no row fetching.
41 // The assumption is all data is already available.
42 @Input() useLocalSort: boolean;
44 // Storage persist key / per-grid-type unique identifier
45 // The value is prefixed with 'eg.grid.'
47 // If persistKey is set to "disabled", or does not exist,
48 // the grid will not display a Save button to the user
49 @Input() persistKey: string;
51 @Input() disableSelect: boolean;
53 // Prevent selection of multiple rows
54 @Input() disableMultiSelect: boolean;
56 // Show an extra column in the grid where the caller can apply
57 // row-specific flair (material icons).
58 @Input() rowFlairIsEnabled: boolean;
60 // Returns a material icon name to display in the flar column
61 // (if enabled) for the given row.
62 @Input() rowFlairCallback: (row: any) => GridRowFlairEntry;
64 // Returns a space-separated list of CSS class names to apply to
66 @Input() rowClassCallback: (row: any) => string;
68 // Returns a space-separated list of CSS class names to apply to
69 // a given cell or all cells in a column.
70 @Input() cellClassCallback: (row: any, col: GridColumn) => string;
72 // comma-separated list of fields to show by default.
73 // This field takes precedence over hideFields.
74 // When a value is applied, any field not in this list will
76 @Input() showFields: string;
78 // comma-separated list of fields to hide.
79 // This does not imply all other fields should be visible, only that
80 // the selected fields will be hidden.
81 @Input() hideFields: string;
83 // When true, only display columns that are declared in the markup
84 // and leave all auto-generated fields hidden.
85 @Input() showDeclaredFieldsOnly: boolean;
87 // Allow the caller to jump directly to a specific page of
89 @Input() pageOffset: number;
90 // Pass in a default page size. May be overridden by settings.
91 @Input() pageSize: number;
93 @Input() showLinkSelectors: boolean;
95 @Input() disablePaging: boolean;
99 // filterable: true if the result filtering controls
100 // should be displayed
101 @Input() filterable: boolean;
103 // sticky grid header
105 // stickyHeader: true of the grid header should be
106 // "sticky", i.e., remain visible if if the table is long
107 // and the user has scrolled far enough that the header
108 // would go out of view
109 @Input() stickyHeader: boolean;
111 @Input() cellTextGenerator: GridCellTextGenerator;
113 context: GridContext;
115 // These events are emitted from our grid-body component.
116 // They are defined here for ease of access to the caller.
117 @Output() onRowActivate: EventEmitter<any>;
118 @Output() onRowClick: EventEmitter<any>;
120 @ViewChild('toolbar', { static: true }) toolbar: GridToolbarComponent;
123 private idl: IdlService,
124 private org: OrgService,
125 private store: ServerStoreService,
126 private format: FormatService
129 new GridContext(this.idl, this.org, this.store, this.format);
130 this.onRowActivate = new EventEmitter<any>();
131 this.onRowClick = new EventEmitter<any>();
136 if (!this.dataSource) {
137 throw new Error('<eg-grid/> requires a [dataSource]');
140 this.context.idlClass = this.idlClass;
141 this.context.dataSource = this.dataSource;
142 this.context.persistKey = this.persistKey;
143 this.context.isSortable = this.sortable === true;
144 this.context.isFilterable = this.filterable === true;
145 this.context.stickyGridHeader = this.stickyHeader === true;
146 this.context.isMultiSortable = this.multiSortable === true;
147 this.context.useLocalSort = this.useLocalSort === true;
148 this.context.disableSelect = this.disableSelect === true;
149 this.context.disableMultiSelect = this.disableMultiSelect === true;
150 this.context.rowFlairIsEnabled = this.rowFlairIsEnabled === true;
151 this.context.showDeclaredFieldsOnly = this.showDeclaredFieldsOnly;
152 this.context.rowFlairCallback = this.rowFlairCallback;
153 this.context.disablePaging = this.disablePaging === true;
154 this.context.cellTextGenerator = this.cellTextGenerator;
156 if (this.showFields) {
157 this.context.defaultVisibleFields = this.showFields.split(',');
159 if (this.hideFields) {
160 this.context.defaultHiddenFields = this.hideFields.split(',');
163 if (this.pageOffset) {
164 this.context.pager.offset = this.pageOffset;
168 this.context.pager.limit = this.pageSize;
171 // TS doesn't seem to like: let foo = bar || () => '';
172 this.context.rowClassCallback =
173 this.rowClassCallback || function () { return ''; };
174 this.context.cellClassCallback =
175 this.cellClassCallback || function() { return ''; };
177 if (this.showLinkSelectors) {
179 'showLinkSelectors is deprecated and no longer has any effect');
186 this.context.initData();
190 this.context.destroy();
194 this.toolbar.printHtml();
198 this.context.reload();
200 reloadWithoutPagerReset() {
201 this.context.reloadWithoutPagerReset();