@grafana/data#arrowTableToDataFrame TypeScript Examples
The following examples show how to use
@grafana/data#arrowTableToDataFrame.
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Example #1
Source File: FileBrowser.tsx From grafana-s3-plugin with Apache License 2.0 | 4 votes |
listFiles = (prefix: string, edit?: boolean) => {
getBackendSrv()
.datasourceRequest({
url: '/api/ds/query',
method: 'POST',
data: {
queries: [
{
refId: 'A',
path: prefix,
query: 'LIST FORMATTED',
orgId: this.props.orgId,
datasourceId: this.props.dsId,
},
],
},
})
.then(response => {
const b64 = response.data.results.A.dataframes[0];
const table = base64StringToArrowTable(b64);
const frame = arrowTableToDataFrame(table);
frame.fields[0].display = (value: string) => {
let icon = this.icons['error'];
const parts = /^(.*),type=(.*),key=(.*)$/.exec(value);
if (parts !== null && parts.length === 4) {
value = parts![1];
icon = this.icons[parts![2]] || icon;
}
return {
prefix: icon,
numeric: Number.NaN,
text: value,
};
};
// @ts-ignore
frame.fields[0].getLinks = (options: any) => {
const i = options.valueRowIndex;
let value = table.getColumnAt(0)!.get(i);
let href = undefined;
const parts = /^(.*),type=(.*),key=(.*)$/.exec(value);
if (parts !== null && parts.length === 4 && parts![2] === 'folder') {
value = parts![1];
href = this.setsearchparams({ explore: true, prefix: parts![3] });
}
if (href) {
return [{ href: href, title: value }];
} else {
return [undefined];
}
};
frame.fields[1].display = getDisplayProcessor({ field: frame.fields[1] });
frame.fields[2].display = getDisplayProcessor({ field: frame.fields[2] });
frame.fields[3].display = (value: string) => {
return {
numeric: Number.NaN,
text: this.icons['delete'],
};
};
// @ts-ignore
frame.fields[3].getLinks = (options: any) => {
const i = options.valueRowIndex;
const value = table.getColumnAt(0)!.get(i);
let onClick = undefined;
const parts = /^(.*),type=(.*),key=(.*)$/.exec(value);
if (parts !== null && parts.length === 4) {
onClick = () => {
console.log('Delete', parts![2], parts![3]);
return getBackendSrv()
.datasourceRequest({
url: '/api/ds/query',
method: 'POST',
data: {
queries: [
{
refId: 'A',
path: parts![3],
query: 'DELETE ' + parts![2],
orgId: this.props.orgId,
datasourceId: this.props.dsId,
},
],
},
})
.then(response => {
this.listFiles(this.state.prefix);
});
};
}
return [{ onClick: onClick, title: 'Delete' }];
if (onClick) {
return [{ onClick: onClick, title: 'Delete' }];
} else {
return [undefined];
}
};
if (edit) {
this.setState({
hints: frame!.meta!.custom!.folders.map((folder: any) => ({ label: folder, value: folder })),
});
} else if (prefix === this.state.prefix) {
this.setState({
dirty: false,
files: frame,
hints: frame!.meta!.custom!.folders.map((folder: any) => ({ label: folder, value: folder })),
});
}
});
};