tripnomics_7.5.5/public/app/features/manage-dashboards/components/UploadDashboard/uploadDashboardDirective.ts
venbatechnologies@gmail.com 91fce5c4bf Initial commit
2021-07-05 13:49:40 +05:30

72 lines
2.1 KiB
TypeScript

import coreModule from 'app/core/core_module';
import appEvents from 'app/core/app_events';
import angular, { ILocationService } from 'angular';
import { AppEvents } from '@grafana/data';
const template = `
<input type="file" id="dashupload" name="dashupload" class="hide" onchange="angular.element(this).scope().file_selected"/>
<label class="btn btn-primary" for="dashupload">
{{btnText}}
</label>
`;
/** @ngInject */
export function uploadDashboardDirective(timer: any, $location: ILocationService) {
return {
restrict: 'E',
template: template,
scope: {
onUpload: '&',
btnText: '@?',
},
link: (scope: any, elem: JQuery) => {
scope.btnText = angular.isDefined(scope.btnText) ? scope.btnText : 'Upload .json file';
function file_selected(evt: any) {
const files = evt.target.files; // FileList object
const readerOnload = () => {
return (e: any) => {
let dash: any;
try {
dash = JSON.parse(e.target.result);
} catch (err) {
console.error(err);
appEvents.emit(AppEvents.alertError, [
'Import failed',
'JSON -> JS Serialization failed: ' + err.message,
]);
return;
}
scope.$apply(() => {
scope.onUpload({ dash });
});
};
};
let i = 0;
let file = files[i];
while (file) {
const reader = new FileReader();
reader.onload = readerOnload();
reader.readAsText(file);
i += 1;
file = files[i];
}
}
const wnd: any = window;
// Check for the various File API support.
if (wnd.File && wnd.FileReader && wnd.FileList && wnd.Blob) {
// Something
elem[0].addEventListener('change', file_selected, false);
} else {
appEvents.emit(AppEvents.alertError, ['Oops', 'The HTML5 File APIs are not fully supported in this browser']);
}
},
};
}
coreModule.directive('dashUpload', uploadDashboardDirective);