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Dashboard links: Places drop down list so it's always visible (#28330)

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* calculating whether to place the list on the right or left edge of the parent

* change naming and add import of createRef
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maknik 2020-10-19 06:16:10 +02:00 committed by GitHub
parent 77b1e6311f
commit cdab6028e1
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1 changed files with 15 additions and 3 deletions
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18
public/app/features/dashboard/components/SubMenu/DashboardLinksDashboard.tsx
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@ -1,4 +1,4 @@
import React, { PureComponent } from 'react';
import React, { createRef, PureComponent } from 'react';
import { Icon, Tooltip } from '@grafana/ui';
import { sanitize, sanitizeUrl } from '@grafana/data/src/text/sanitize';
import { getBackendSrv } from 'app/core/services/backend_srv';
@ -19,6 +19,8 @@ interface State {
export class DashboardLinksDashboard extends PureComponent<Props, State> {
state: State = { resolvedLinks: [] };
wrapperRef = createRef<HTMLDivElement>();
listItemRef = createRef<HTMLUListElement>();
componentDidMount() {
this.searchForDashboards();
@ -43,7 +45,7 @@ export class DashboardLinksDashboard extends PureComponent<Props, State> {
const { link } = this.props;
return (
<div className="gf-form" key={key} aria-label={selector}>
<div className="gf-form" key={key} aria-label={selector} ref={this.wrapperRef}>
{link.tooltip && <Tooltip content={link.tooltip}>{linkElement}</Tooltip>}
{!link.tooltip && <>{linkElement}</>}
</div>
@ -79,6 +81,16 @@ export class DashboardLinksDashboard extends PureComponent<Props, State> {
);
};
getDropdownLocationCssClass = (): string => {
const [pullLeftCssClass, pullRightCssClass] = ['pull-left', 'pull-right'];
const wrapper = this.wrapperRef.current;
const list = this.listItemRef.current;
if (!wrapper || !list) {
return pullRightCssClass;
}
return wrapper.offsetLeft > list.offsetWidth - wrapper.offsetWidth ? pullRightCssClass : pullLeftCssClass;
};
renderDropdown = () => {
const { link, linkInfo } = this.props;
const { resolvedLinks } = this.state;
@ -94,7 +106,7 @@ export class DashboardLinksDashboard extends PureComponent<Props, State> {
<Icon name="bars" />
<span>{linkInfo.title}</span>
</a>
<ul className="dropdown-menu pull-right" role="menu">
<ul className={'dropdown-menu ' + this.getDropdownLocationCssClass()} role="menu" ref={this.listItemRef}>
{resolvedLinks.length > 0 &&
resolvedLinks.map((resolvedLink, index) => {
return (