1 import {Component, Input, Output, OnInit, AfterViewInit, EventEmitter,
2 OnDestroy, HostListener, ViewEncapsulation, QueryList, ViewChildren} from '@angular/core';
3 import {Subscription} from 'rxjs';
4 import {IdlService} from '@eg/core/idl.service';
5 import {OrgService} from '@eg/core/org.service';
6 import {ServerStoreService} from '@eg/core/server-store.service';
7 import {FormatService} from '@eg/core/format.service';
8 import {GridContext, GridColumn, GridDataSource, GridRowFlairEntry} from './grid';
9 import {GridFilterControlComponent} from './grid-filter-control.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.'
46 @Input() persistKey: string;
48 @Input() disableSelect: boolean;
50 // Prevent selection of multiple rows
51 @Input() disableMultiSelect: boolean;
53 // Show an extra column in the grid where the caller can apply
54 // row-specific flair (material icons).
55 @Input() rowFlairIsEnabled: boolean;
57 // Returns a material icon name to display in the flar column
58 // (if enabled) for the given row.
59 @Input() rowFlairCallback: (row: any) => GridRowFlairEntry;
61 // Returns a space-separated list of CSS class names to apply to
63 @Input() rowClassCallback: (row: any) => string;
65 // Returns a space-separated list of CSS class names to apply to
66 // a given cell or all cells in a column.
67 @Input() cellClassCallback: (row: any, col: GridColumn) => string;
69 // comma-separated list of fields to show by default.
70 // This field takes precedence over hideFields.
71 // When a value is applied, any field not in this list will
73 @Input() showFields: string;
75 // comma-separated list of fields to hide.
76 // This does not imply all other fields should be visible, only that
77 // the selected fields will be hidden.
78 @Input() hideFields: string;
80 // When true, only display columns that are declared in the markup
81 // and leave all auto-generated fields hidden.
82 @Input() showDeclaredFieldsOnly: boolean;
84 // Allow the caller to jump directly to a specific page of
86 @Input() pageOffset: number;
87 // Pass in a default page size. May be overridden by settings.
88 @Input() pageSize: number;
90 // If true and an idlClass is specificed, the grid assumes
91 // datatype=link fields that link to classes which define a selector
92 // are fleshed with the linked object. And, instead of displaying
93 // the raw field value, displays the selector value from the linked
94 // object. The caller is responsible for fleshing the appropriate
95 // fields in the GridDataSource getRows handler.
97 // This only applies to auto-generated columns.
99 // For example, idlClass="aou" and field="ou_type", the display
100 // value will be ou_type().name() since "name" is the selector
101 // field on the "aout" class.
102 @Input() showLinkSelectors: boolean;
104 @Input() disablePaging: boolean;
108 // filterable: true if the result filtering controls
109 // should be displayed
110 @Input() filterable: boolean;
112 // sticky grid header
114 // stickyHeader: true of the grid header should be
115 // "sticky", i.e., remain visible if if the table is long
116 // and the user has scrolled far enough that the header
117 // would go out of view
118 @Input() stickyHeader: boolean;
120 context: GridContext;
122 // These events are emitted from our grid-body component.
123 // They are defined here for ease of access to the caller.
124 @Output() onRowActivate: EventEmitter<any>;
125 @Output() onRowClick: EventEmitter<any>;
128 private idl: IdlService,
129 private org: OrgService,
130 private store: ServerStoreService,
131 private format: FormatService
134 new GridContext(this.idl, this.org, this.store, this.format);
135 this.onRowActivate = new EventEmitter<any>();
136 this.onRowClick = new EventEmitter<any>();
141 if (!this.dataSource) {
142 throw new Error('<eg-grid/> requires a [dataSource]');
145 this.context.idlClass = this.idlClass;
146 this.context.dataSource = this.dataSource;
147 this.context.persistKey = this.persistKey;
148 this.context.isSortable = this.sortable === true;
149 this.context.isFilterable = this.filterable === true;
150 this.context.stickyGridHeader = this.stickyHeader === true;
151 this.context.isMultiSortable = this.multiSortable === true;
152 this.context.useLocalSort = this.useLocalSort === true;
153 this.context.disableSelect = this.disableSelect === true;
154 this.context.showLinkSelectors = this.showLinkSelectors === true;
155 this.context.disableMultiSelect = this.disableMultiSelect === true;
156 this.context.rowFlairIsEnabled = this.rowFlairIsEnabled === true;
157 this.context.showDeclaredFieldsOnly = this.showDeclaredFieldsOnly;
158 this.context.rowFlairCallback = this.rowFlairCallback;
159 this.context.disablePaging = this.disablePaging === true;
160 if (this.showFields) {
161 this.context.defaultVisibleFields = this.showFields.split(',');
163 if (this.hideFields) {
164 this.context.defaultHiddenFields = this.hideFields.split(',');
167 if (this.pageOffset) {
168 this.context.pager.offset = this.pageOffset;
172 this.context.pager.limit = this.pageSize;
175 // TS doesn't seem to like: let foo = bar || () => '';
176 this.context.rowClassCallback =
177 this.rowClassCallback || function () { return ''; };
178 this.context.cellClassCallback =
179 this.cellClassCallback || function() { return ''; };
185 this.context.initData();
189 this.context.destroy();
193 this.context.reload();
195 reloadSansPagerReset() {
196 this.context.reloadSansPagerReset();