element-web/src/Entities.js

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JavaScript
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/*
Copyright 2015, 2016 OpenMarket Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import * as sdk from './index';
function isMatch(query, name, uid) {
query = query.toLowerCase();
name = name.toLowerCase();
uid = uid.toLowerCase();
// direct prefix matches
if (name.indexOf(query) === 0 || uid.indexOf(query) === 0) {
return true;
}
// strip @ on uid and try matching again
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if (uid.length > 1 && uid[0] === "@" && uid.substring(1).indexOf(query) === 0) {
return true;
}
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// split spaces in name and try matching constituent parts
const parts = name.split(" ");
for (let i = 0; i < parts.length; i++) {
if (parts[i].indexOf(query) === 0) {
return true;
}
}
return false;
}
/*
* Converts various data models to Entity objects.
*
* Entity objects provide an interface for UI components to use to display
* members in a data-agnostic way. This means they don't need to care if the
* underlying data model is a RoomMember, User or 3PID data structure, it just
* cares about rendering.
*/
class Entity {
constructor(model) {
this.model = model;
}
getJsx() {
return null;
}
matches(queryString) {
return false;
}
}
class MemberEntity extends Entity {
getJsx() {
const MemberTile = sdk.getComponent("rooms.MemberTile");
return (
<MemberTile key={this.model.userId} member={this.model} />
);
}
matches(queryString) {
return isMatch(queryString, this.model.name, this.model.userId);
}
}
class UserEntity extends Entity {
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constructor(model, showInviteButton, inviteFn) {
super(model);
this.showInviteButton = Boolean(showInviteButton);
this.inviteFn = inviteFn;
this.onClick = this.onClick.bind(this);
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}
onClick() {
if (this.inviteFn) {
this.inviteFn(this.model.userId);
}
}
getJsx() {
const UserTile = sdk.getComponent("rooms.UserTile");
return (
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<UserTile key={this.model.userId} user={this.model}
showInviteButton={this.showInviteButton} onClick={this.onClick} />
);
}
matches(queryString) {
const name = this.model.displayName || this.model.userId;
return isMatch(queryString, name, this.model.userId);
}
}
export function newEntity(jsx, matchFn) {
const entity = new Entity();
entity.getJsx = function() {
return jsx;
};
entity.matches = matchFn;
return entity;
}
/**
* @param {RoomMember[]} members
* @return {Entity[]}
*/
export function fromRoomMembers(members) {
return members.map(function(m) {
return new MemberEntity(m);
});
}
/**
* @param {User[]} users
* @param {boolean} showInviteButton
* @param {Function} inviteFn Called with the user ID.
* @return {Entity[]}
*/
export function fromUsers(users, showInviteButton, inviteFn) {
return users.map(function(u) {
return new UserEntity(u, showInviteButton, inviteFn);
});
}