blob: 86adc707947a9dbf377992d384d723378ec5328f [file] [log] [blame]
/**
* @license
* Copyright 2022 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import {LitElement, html, css, PropertyValues} from 'lit';
import {customElement, property, state} from 'lit/decorators.js';
import {ChangeListSection} from '../gr-change-list/gr-change-list';
import '../gr-change-list-action-bar/gr-change-list-action-bar';
import {CLOSED, YOUR_TURN} from '../../../utils/dashboard-util';
import {getAppContext} from '../../../services/app-context';
import {ChangeInfo, ServerInfo, AccountInfo} from '../../../api/rest-api';
import {changeListStyles} from '../../../styles/gr-change-list-styles';
import {fontStyles} from '../../../styles/gr-font-styles';
import {sharedStyles} from '../../../styles/shared-styles';
import {Metadata} from '../../../utils/change-metadata-util';
import {WAITING} from '../../../constants/constants';
import {provide} from '../../../models/dependency';
import {
bulkActionsModelToken,
BulkActionsModel,
} from '../../../models/bulk-actions/bulk-actions-model';
import {createSearchUrl} from '../../../models/views/search';
import {subscribe} from '../../lit/subscription-controller';
import {classMap} from 'lit/directives/class-map.js';
const NUMBER_FIXED_COLUMNS = 4;
const LABEL_PREFIX_INVALID_PROLOG = 'Invalid-Prolog-Rules-Label-Name--';
const MAX_SHORTCUT_CHARS = 5;
const INVALID_TOKENS = ['limit:', 'age:', '-age:'];
export function computeLabelShortcut(labelName: string) {
if (labelName.startsWith(LABEL_PREFIX_INVALID_PROLOG)) {
labelName = labelName.slice(LABEL_PREFIX_INVALID_PROLOG.length);
}
// Compute label shortcut by splitting token by - and capitalizing first
// letter of each token.
return labelName
.split('-')
.reduce((previousValue, currentValue) => {
if (!currentValue) {
return previousValue;
}
return previousValue + currentValue[0].toUpperCase();
}, '')
.slice(0, MAX_SHORTCUT_CHARS);
}
@customElement('gr-change-list-section')
export class GrChangeListSection extends LitElement {
@property({type: Array})
visibleChangeTableColumns?: string[];
@property({type: Boolean})
showNumber?: boolean; // No default value to prevent flickering.
@property({type: Number})
selectedIndex?: number; // The relative index of the change that is selected
@property({type: Array})
labelNames: string[] = [];
@property({type: Array})
dynamicHeaderEndpoints?: string[];
@property({type: Object})
changeSection!: ChangeListSection;
@property({type: Object})
config?: ServerInfo;
@property({type: Boolean})
isCursorMoving = false;
/**
* The logged-in user's account, or an empty object if no user is logged
* in.
*/
@property({type: Object})
account: AccountInfo | undefined = undefined;
@property({type: String})
usp?: string;
/** Index of the first element in the section in the overall list order. */
@property({type: Number})
startIndex = 0;
/** Callback to call to request the item to be selected in the list. */
@property({type: Function})
triggerSelectionCallback?: (globalIndex: number) => void;
// private but used in tests
@state()
numSelected = 0;
@state()
private totalChangeCount = 0;
bulkActionsModel: BulkActionsModel = new BulkActionsModel(
getAppContext().restApiService
);
// Private but used in test.
userModel = getAppContext().userModel;
private isLoggedIn = false;
static override get styles() {
return [
changeListStyles,
fontStyles,
sharedStyles,
css`
:host {
display: contents;
}
.section-count-label {
color: var(--deemphasized-text-color);
font-family: var(--font-family);
font-size: var(--font-size-small);
font-weight: var(--font-weight-normal);
line-height: var(--line-height-small);
}
/*
* checkbox styles match checkboxes in <gr-change-list-item> rows to
* vertically align with them.
*/
input.selection-checkbox {
background-color: var(--background-color-primary);
border: 1px solid var(--border-color);
border-radius: var(--border-radius);
box-sizing: border-box;
color: var(--primary-text-color);
margin: 0px;
padding: var(--spacing-s);
vertical-align: middle;
}
.showSelectionBorder {
border-bottom: 2px solid var(--input-focus-border-color);
}
`,
];
}
constructor() {
super();
provide(this, bulkActionsModelToken, () => this.bulkActionsModel);
subscribe(
this,
() => this.bulkActionsModel.selectedChangeNums$,
selectedChanges => {
this.numSelected = selectedChanges.length;
}
);
subscribe(
this,
() => this.bulkActionsModel.totalChangeCount$,
totalChangeCount => (this.totalChangeCount = totalChangeCount)
);
subscribe(
this,
() => this.userModel.loggedIn$,
isLoggedIn => (this.isLoggedIn = isLoggedIn)
);
}
override willUpdate(changedProperties: PropertyValues) {
if (changedProperties.has('changeSection')) {
// In case the list of changes is updated due to auto reloading, we want
// to ensure the model removes any stale change that is not a part of the
// new section changes.
this.bulkActionsModel.sync(this.changeSection.results);
}
}
override render() {
const columns = this.computeColumns();
const colSpan = this.computeColspan(columns);
return html`
${this.renderSectionHeader(colSpan)}
<tbody class="groupContent">
${this.isEmpty()
? this.renderNoChangesRow(colSpan)
: this.renderColumnHeaders(columns)}
${this.changeSection.results.map((change, index) =>
this.renderChangeRow(change, index, columns)
)}
</tbody>
`;
}
private renderNoChangesRow(colSpan: number) {
return html`
<tr class="noChanges">
<td class="leftPadding" aria-hidden="true"></td>
<td
class="star"
?aria-hidden=${!this.isLoggedIn}
?hidden=${!this.isLoggedIn}
></td>
<td class="cell" colspan=${colSpan}>
${this.changeSection.emptyStateSlotName
? html`<slot name=${this.changeSection.emptyStateSlotName}></slot>`
: 'No changes'}
</td>
</tr>
`;
}
private renderSectionHeader(colSpan: number) {
if (
this.changeSection.name === undefined ||
this.changeSection.countLabel === undefined ||
this.changeSection.query === undefined
)
return;
return html`
<tbody>
<tr class="groupHeader">
<td aria-hidden="true" class="leftPadding"></td>
<td aria-hidden="true" class="star" ?hidden=${!this.isLoggedIn}></td>
<td class="cell" colspan=${colSpan}>
<h2 class="heading-3">
<a
href=${this.sectionHref(this.changeSection.query)}
class="section-title"
>
<span class="section-name">${this.changeSection.name}</span>
<span class="section-count-label"
>${this.changeSection.countLabel}</span
>
</a>
</h2>
</td>
</tr>
</tbody>
`;
}
private renderColumnHeaders(columns: string[]) {
const showBulkActionsHeader = this.numSelected > 0;
return html`
<tr
class=${classMap({
groupTitle: true,
showSelectionBorder: showBulkActionsHeader,
})}
>
<td class="leftPadding"></td>
${this.renderSelectionHeader()}
${showBulkActionsHeader
? html`<gr-change-list-action-bar></gr-change-list-action-bar>`
: html` <td
class="star"
aria-label="Star status column"
?hidden=${!this.isLoggedIn}
></td>
<td class="number" ?hidden=${!this.showNumber}>#</td>
${columns.map(item => this.renderHeaderCell(item))}
${this.labelNames?.map(labelName =>
this.renderLabelHeader(labelName)
)}
${this.dynamicHeaderEndpoints?.map(pluginHeader =>
this.renderEndpointHeader(pluginHeader)
)}`}
</tr>
`;
}
private renderSelectionHeader() {
const checked = this.numSelected > 0;
const indeterminate =
this.numSelected > 0 && this.numSelected !== this.totalChangeCount;
return html`
<td class="selection" ?hidden=${!this.isLoggedIn}>
<!--
The .checked property must be used rather than the attribute because
the attribute only controls the default checked state and does not
update the current checked state.
See: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/checkbox#attr-checked
-->
<input
class="selection-checkbox"
type="checkbox"
.checked=${checked}
.indeterminate=${indeterminate}
@click=${this.handleSelectAllCheckboxClicked}
/>
</td>
`;
}
private renderHeaderCell(item: string) {
return html`<td class=${item.toLowerCase()}>${item}</td>`;
}
private renderLabelHeader(labelName: string) {
return html`
<td class="label" title=${labelName}>
${computeLabelShortcut(labelName)}
</td>
`;
}
private renderEndpointHeader(pluginHeader: string) {
return html`
<td class="endpoint">
<gr-endpoint-decorator .name=${pluginHeader}></gr-endpoint-decorator>
</td>
`;
}
private renderChangeRow(
change: ChangeInfo,
index: number,
columns: string[]
) {
const ariaLabel = this.computeAriaLabel(change);
const selected = this.computeItemSelected(index);
return html`
<gr-change-list-item
tabindex="0"
.account=${this.account}
.selected=${selected}
.change=${change}
.config=${this.config}
.sectionName=${this.changeSection.name}
.visibleChangeTableColumns=${columns}
.showNumber=${this.showNumber}
.usp=${this.usp}
.labelNames=${this.labelNames}
.globalIndex=${this.startIndex + index}
.triggerSelectionCallback=${this.triggerSelectionCallback}
aria-label=${ariaLabel}
role="button"
></gr-change-list-item>
`;
}
private handleSelectAllCheckboxClicked() {
if (this.numSelected === 0) {
this.bulkActionsModel.selectAll();
} else {
this.bulkActionsModel.clearSelectedChangeNums();
}
}
/**
* This methods allows us to customize the columns per section.
* Private but used in test
*
*/
computeColumns() {
const section = this.changeSection;
if (!section || !this.visibleChangeTableColumns) return [];
const cols = [...this.visibleChangeTableColumns];
const updatedIndex = cols.indexOf(Metadata.UPDATED);
if (section.name === YOUR_TURN.name && updatedIndex !== -1) {
cols[updatedIndex] = WAITING;
}
if (section.name === CLOSED.name && updatedIndex !== -1) {
cols[updatedIndex] = Metadata.SUBMITTED;
}
return cols;
}
toggleChange(index: number) {
this.bulkActionsModel.toggleSelectedChangeNum(
this.changeSection.results[index]._number
);
}
// private but used in test
computeItemSelected(index: number) {
return index === this.selectedIndex;
}
// private but used in test
computeColspan(cols: string[]) {
if (!cols || !this.labelNames) return 1;
return cols.length + this.labelNames.length + NUMBER_FIXED_COLUMNS;
}
// private but used in test
processQuery(query: string) {
let tokens = query.split(' ');
tokens = tokens.filter(
token =>
!INVALID_TOKENS.some(invalidToken => token.startsWith(invalidToken))
);
return tokens.join(' ');
}
private sectionHref(query?: string) {
if (!query) return '';
return createSearchUrl({query: this.processQuery(query)});
}
// private but used in test
isEmpty() {
return !this.changeSection.results?.length;
}
private computeAriaLabel(change?: ChangeInfo) {
const sectionName = this.changeSection.name;
if (!change) return '';
return change.subject + (sectionName ? `, section: ${sectionName}` : '');
}
}
declare global {
interface HTMLElementTagNameMap {
'gr-change-list-section': GrChangeListSection;
}
}