@nepwork/dashboards
Version:
Dashboards for emergencies and monitoring
72 lines • 2.79 kB
JavaScript
import { __decorate, __metadata } from "tslib";
import { Injectable, IterableDiffers } from '@angular/core';
import { merge, Subject } from 'rxjs';
var NbColumnsService = /** @class */ (function () {
function NbColumnsService(differs) {
this.differs = differs;
this.columnHide$ = new Subject();
this.columnShow$ = new Subject();
}
NbColumnsService.prototype.setColumns = function (columns) {
if (!this.changesDiffer) {
this.changesDiffer = this.differs.find(columns || []).create();
}
if (this.changesDiffer.diff(columns)) {
this.allColumns = Array.from(columns);
this.visibleColumns = Array.from(columns);
}
};
NbColumnsService.prototype.getVisibleColumns = function () {
return this.visibleColumns;
};
NbColumnsService.prototype.hideColumn = function (column) {
var toRemove = this.visibleColumns.indexOf(column);
if (toRemove > -1) {
this.visibleColumns.splice(toRemove, 1);
this.columnHide$.next();
}
};
NbColumnsService.prototype.showColumn = function (column) {
if (this.visibleColumns.includes(column)) {
return;
}
this.visibleColumns.splice(this.findInsertIndex(column), 0, column);
this.columnShow$.next();
};
NbColumnsService.prototype.onColumnsChange = function () {
return merge(this.columnShow$, this.columnHide$);
};
NbColumnsService.prototype.findInsertIndex = function (column) {
var initialIndex = this.allColumns.indexOf(column);
if (initialIndex === 0 || !this.visibleColumns.length) {
return 0;
}
if (initialIndex === this.allColumns.length - 1) {
return this.visibleColumns.length;
}
var leftSiblingIndex = initialIndex - 1;
for (var i = leftSiblingIndex; i >= 0; i--) {
var leftSibling = this.allColumns[i];
var index = this.visibleColumns.indexOf(leftSibling);
if (index !== -1) {
return index + 1;
}
}
var rightSiblingIndex = initialIndex + 1;
for (var i = rightSiblingIndex; i < this.allColumns.length; i++) {
var rightSibling = this.allColumns[i];
var index = this.visibleColumns.indexOf(rightSibling);
if (index !== -1) {
return index;
}
}
throw new Error("Can't restore column position.");
};
NbColumnsService = __decorate([
Injectable(),
__metadata("design:paramtypes", [IterableDiffers])
], NbColumnsService);
return NbColumnsService;
}());
export { NbColumnsService };
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