Open-ILS/src/eg2/src/app/share/grid/grid-print.component.ts

   1 import {Component, Input, TemplateRef, ViewChild} from '@angular/core';
   2 import {ProgressDialogComponent} from '@eg/share/dialog/progress.component';
   3 import {PrintService} from '@eg/share/print/print.service';
   4 import {GridContext} from '@eg/share/grid/grid';
   5
   6 @Component({
   7     selector: 'eg-grid-print',
   8     templateUrl: './grid-print.component.html'
   9 })
  10
  11 /**
  12  */
  13 export class GridPrintComponent {
  14
  15     @Input() gridContext: GridContext;
  16     @ViewChild('printTemplate', { static: true }) private printTemplate: TemplateRef<any>;
  17     @ViewChild('progressDialog', { static: true })
  18     private progressDialog: ProgressDialogComponent;
  19
  20     constructor(private printer: PrintService) {}
  21
  22     printGrid() {
  23         this.progressDialog.open();
  24         const columns = this.gridContext.columnSet.displayColumns();
  25         const textItems = {columns: columns, rows: []};
  26
  27         this.gridContext.getAllRowsAsText().subscribe(
  28             row => {
  29                 this.progressDialog.increment();
  30                 textItems.rows.push(row);
  31             },
  32             (err: unknown) => this.progressDialog.close(),
  33             ()  => {
  34                 this.progressDialog.close();
  35                 this.printer.print({
  36                     template: this.printTemplate,
  37                     contextData: textItems,
  38                     printContext: 'default'
  39                 });
  40             }
  41         );
  42     }
  43
  44     printSelectedRows(): void {
  45         const columns = this.gridContext.columnSet.displayColumns();
  46         const rows = this.gridContext.rowSelector.selected()
  47             .reduce<{text: any; pos: number}[]>((pairs, index) => {
  48                 const pos = this.gridContext.getRowPosition(index);
  49                 if (pos === undefined) {return pairs;}
  50
  51                 const row = this.gridContext.dataSource.data[pos];
  52                 if (row === undefined) {return pairs;}
  53
  54                 const text = this.gridContext.getRowAsFlatText(row);
  55                 return pairs.concat({text, pos});
  56             }, [])
  57             .sort(({pos: a}, {pos: b}) => a - b)
  58             .map(({text}) => text);
  59
  60         this.printer.print({
  61             template: this.printTemplate,
  62             contextData: {columns, rows},
  63             printContext: 'default'
  64         });
  65     }
  66 }
  67
  68