blob: ccc1e2181eec969e2ba12e7a506de6c3c202d291 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
import {Directive, Input, ElementRef} from '@angular/core';
import * as PerfectScrollbar from 'perfect-scrollbar';
interface IPerfectScrollbarOptions {
wheelSpeed?: number;
wheelPropagation?: boolean;
minScrollbarLength?: number;
useBothWheelAxes?: boolean;
useKeyboard?: boolean;
suppressScrollX?: boolean;
suppressScrollY?: boolean;
scrollXMarginOffset?: number;
scrollYMarginOffset?: number;
includePadding?: boolean;
}
@Directive({
selector: '[perfectScrollbar]'
})
export class PerfectScrollbarDirective {
@Input() public perfectScrollbarOptions: IPerfectScrollbarOptions;
private psOptions: IPerfectScrollbarOptions;
private updatingPS: boolean;
constructor(public elemRef:ElementRef) {
console.log('PSbar: Constructor');
this.psOptions = Object.assign({}, this.perfectScrollbarOptions);
this.updatingPS = false;
}
public ngOnInit() {
console.log('PSbar: Initializing');
PerfectScrollbar.initialize(this.elemRef.nativeElement, this.psOptions);
}
public ngAfterContentChecked() {
// update perfect-scrollbar after content is checked (updated) - bounced
if (!this.updatingPS) {
this.updatingPS = true;
setTimeout(() => {
this.updatingPS = false;
PerfectScrollbar.update(this.elemRef.nativeElement);
}, 100);
}
}
public ngOnDestroy() {
PerfectScrollbar.destroy(this.elemRef.nativeElement);
}
}
|