Forward-port 3.2.3 upgrade script
[Evergreen.git] / Open-ILS / src / eg2 / src / app / share / grid / grid-toolbar.component.ts
1 import {Component, Input, OnInit, Host} from '@angular/core';
2 import {DomSanitizer, SafeUrl} from '@angular/platform-browser';
3 import {Pager} from '@eg/share/util/pager';
4 import {GridColumn, GridColumnSet, GridToolbarButton,
5     GridToolbarAction, GridContext, GridDataSource} from '@eg/share/grid/grid';
6 import {GridColumnWidthComponent} from './grid-column-width.component';
7 import {GridPrintComponent} from './grid-print.component';
8
9 @Component({
10   selector: 'eg-grid-toolbar',
11   templateUrl: 'grid-toolbar.component.html'
12 })
13
14 export class GridToolbarComponent implements OnInit {
15
16     @Input() gridContext: GridContext;
17     @Input() colWidthConfig: GridColumnWidthComponent;
18     @Input() gridPrinter: GridPrintComponent;
19
20     csvExportInProgress: boolean;
21     csvExportUrl: SafeUrl;
22     csvExportFileName: string;
23
24     constructor(private sanitizer: DomSanitizer) {}
25
26     ngOnInit() {}
27
28     saveGridConfig() {
29         // TODO: when server-side settings are supported, this operation
30         // may offer to save to user/workstation OR org unit settings
31         // depending on perms.
32
33         this.gridContext.saveGridConfig().then(
34             // hide the with config after saving
35             ok => this.colWidthConfig.isVisible = false,
36             err => console.error(`Error saving columns: ${err}`)
37         );
38     }
39
40     performAction(action: GridToolbarAction) {
41         action.action(this.gridContext.getSelectedRows());
42     }
43
44     printHtml() {
45         this.gridPrinter.printGrid();
46     }
47
48     generateCsvExportUrl($event) {
49
50         if (this.csvExportInProgress) {
51             // This is secondary href click handler.  Give the
52             // browser a moment to start the download, then reset
53             // the CSV download attributes / state.
54             setTimeout(() => {
55                 this.csvExportUrl = null;
56                 this.csvExportFileName = '';
57                 this.csvExportInProgress = false;
58                }, 500
59             );
60             return;
61         }
62
63         this.csvExportInProgress = true;
64
65         // let the file name describe the grid
66         this.csvExportFileName = (
67             this.gridContext.persistKey || 'eg_grid_data'
68         ).replace(/\s+/g, '_') + '.csv';
69
70         this.gridContext.gridToCsv().then(csv => {
71             const blob = new Blob([csv], {type : 'text/plain'});
72             const win: any = window; // avoid TS errors
73             this.csvExportUrl = this.sanitizer.bypassSecurityTrustUrl(
74                 (win.URL || win.webkitURL).createObjectURL(blob)
75             );
76
77             // Fire the 2nd click event now that the browser has
78             // information on how to download the CSV file.
79             setTimeout(() => $event.target.click());
80         });
81
82         $event.preventDefault();
83     }
84 }
85
86