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| 1 | +# 11 TableMock |
| 2 | + |
| 3 | +Let's render a table and use a child component to render each row. |
| 4 | + |
| 5 | +We will start by just creating some mock data. |
| 6 | + |
| 7 | +We will take a startup point sample _03 State_: |
| 8 | + |
| 9 | +Summary steps: |
| 10 | + |
| 11 | +- Define a model entity (we will call it _member_). |
| 12 | +- Define a fake api (to take thing simple we will just make it synchronous) |
| 13 | +- We will row component, we will call it _memberRow_. |
| 14 | +- Create a table component, we will call it _memberTable_ and make use of _memberRow |
| 15 | + |
| 16 | + |
| 17 | +## Prerequisites |
| 18 | + |
| 19 | +Install [Node.js and npm](https://nodejs.org/en/) (v6.6.0 or newer) if they are not already installed on your computer. |
| 20 | + |
| 21 | +> Verify that you are running at least node v6.x.x and npm 3.x.x by running `node -v` and `npm -v` in a terminal/console window. Older versions may produce errors. |
| 22 | +
|
| 23 | +## Steps to build it |
| 24 | + |
| 25 | +- Copy the content from _03 State_ and execute: |
| 26 | + |
| 27 | + ``` |
| 28 | + npm install |
| 29 | + ``` |
| 30 | + |
| 31 | +- Let's create some mock data in _src/api/memberMockData.js_: |
| 32 | + |
| 33 | + ```javascript |
| 34 | + const MembersMockData = [ |
| 35 | + { |
| 36 | + id: 1457912, |
| 37 | + login: 'brauliodiez', |
| 38 | + avatar_url: 'https://avatars.githubusercontent.com/u/1457912?v=3', |
| 39 | + }, |
| 40 | + { |
| 41 | + id: 4374977, |
| 42 | + login: 'Nasdan', |
| 43 | + avatar_url: 'https://avatars.githubusercontent.com/u/4374977?v=3', |
| 44 | + }, |
| 45 | + ]; |
| 46 | + |
| 47 | + export default MembersMockData; |
| 48 | + |
| 49 | + ``` |
| 50 | + |
| 51 | +- Define a fake api (to take thing simple we will just make it synchronous) in _src/api/memberAPI.js_: |
| 52 | + |
| 53 | + ```javascript |
| 54 | + import MembersMockData from './memberMockData'; |
| 55 | + |
| 56 | + // Sync mock data API, inspired from: |
| 57 | + // https://gist.github.com/coryhouse/fd6232f95f9d601158e4 |
| 58 | + class MemberAPI { |
| 59 | + // This would be performed on the server in a real app. Just stubbing in. |
| 60 | + static _clone(item) { |
| 61 | + return ( |
| 62 | + // return cloned copy so that the item is passed by value instead of by reference |
| 63 | + JSON.parse(JSON.stringify(item)) |
| 64 | + ); |
| 65 | + } |
| 66 | + |
| 67 | + // Just return a copy of the mock data |
| 68 | + getAllMembers() { |
| 69 | + return ( |
| 70 | + MemberAPI._clone(MembersMockData) |
| 71 | + ); |
| 72 | + } |
| 73 | + } |
| 74 | + |
| 75 | + const memberAPI = new MemberAPI(); |
| 76 | + |
| 77 | + export default memberAPI; |
| 78 | + |
| 79 | + ``` |
| 80 | + |
| 81 | +- Now it's time jump into the interesting part, let's delete _hello.jsx_ and _nameEdit.jsx_. |
| 82 | + |
| 83 | +- We are going to create an stateless component that will display a single row _memberRow.jsx_. |
| 84 | + |
| 85 | + ```jsx |
| 86 | + import * as React from 'react'; |
| 87 | + |
| 88 | + const MemberRow = props => ( |
| 89 | + <tr> |
| 90 | + <td> |
| 91 | + <img src={props.member.avatar_url} style={{ maxWidth: '150px' }} alt="Avatar" /> |
| 92 | + </td> |
| 93 | + <td> |
| 94 | + <span>{props.member.id}</span> |
| 95 | + </td> |
| 96 | + <td> |
| 97 | + <span>{props.member.login}</span> |
| 98 | + </td> |
| 99 | + </tr> |
| 100 | + ); |
| 101 | + |
| 102 | + MemberRow.propTypes = { |
| 103 | + // Is impossible to use: |
| 104 | + // member: React.PropTypes.instanceOf(MemberEntity), |
| 105 | + // with _clone(). |
| 106 | + member: React.PropTypes.shape({ |
| 107 | + id: React.PropTypes.number, |
| 108 | + avatar_url: React.PropTypes.string, |
| 109 | + login: React.PropTypes.string, |
| 110 | + }), |
| 111 | + }; |
| 112 | + |
| 113 | + export default MemberRow; |
| 114 | + |
| 115 | + ``` |
| 116 | + |
| 117 | +We can't use max-widh in the param style in. We must write 'maxWidth' in the react components. |
| 118 | + |
| 119 | +- Then we are going to implement a component that will display a list of members (and will |
| 120 | + make use of rows), _membersTable.jsx_: |
| 121 | + |
| 122 | + ```jsx |
| 123 | + import * as React from 'react'; |
| 124 | + import memberAPI from './api/memberAPI'; |
| 125 | + import MemberRow from './memberRow'; |
| 126 | + |
| 127 | + class MembersTable extends React.Component { |
| 128 | + |
| 129 | + constructor(props) { |
| 130 | + super(props); |
| 131 | + // set initial state |
| 132 | + this.state = { members: [] }; |
| 133 | + } |
| 134 | + |
| 135 | + // Standard react lifecycle function: |
| 136 | + // https://facebook.github.io/react/docs/component-specs.html |
| 137 | + componentWillMount() { |
| 138 | + this.setState({ members: memberAPI.getAllMembers() }); |
| 139 | + } |
| 140 | + |
| 141 | + render() { |
| 142 | + return ( |
| 143 | + <div className="row"> |
| 144 | + <h2> Members Page</h2> |
| 145 | + <table className="table"> |
| 146 | + <thead> |
| 147 | + <tr> |
| 148 | + <th> |
| 149 | + Avatar |
| 150 | + </th> |
| 151 | + <th> |
| 152 | + Id |
| 153 | + </th> |
| 154 | + <th> |
| 155 | + Name |
| 156 | + </th> |
| 157 | + </tr> |
| 158 | + </thead> |
| 159 | + <tbody> |
| 160 | + { |
| 161 | + this.state.members.map(member => |
| 162 | + <MemberRow key={member.id} member={member} /> |
| 163 | + ) |
| 164 | + } |
| 165 | + </tbody> |
| 166 | + </table> |
| 167 | + </div> |
| 168 | + ); |
| 169 | + } |
| 170 | + } |
| 171 | + |
| 172 | + export default MembersTable; |
| 173 | + |
| 174 | + ``` |
| 175 | + |
| 176 | +- Let's update app.jsx |
| 177 | + |
| 178 | + ```jsx |
| 179 | + import React from 'react'; |
| 180 | + import MembersTableComponent from './membersTable'; |
| 181 | + |
| 182 | + export class App extends React.Component { |
| 183 | + constructor(props) { |
| 184 | + super(props); |
| 185 | + |
| 186 | + this.state = { |
| 187 | + userName: 'defaultUserName', |
| 188 | + }; |
| 189 | + |
| 190 | + this.setUsernameState = this.setUsernameState.bind(this); |
| 191 | + } |
| 192 | + |
| 193 | + setUsernameState(event) { |
| 194 | + // If the state gets more complex we should use object.assign |
| 195 | + this.setState({ |
| 196 | + userName: event.target.value, |
| 197 | + }); |
| 198 | + } |
| 199 | + |
| 200 | + render() { |
| 201 | + return ( |
| 202 | + <div className="col-xs-12"> |
| 203 | + <MembersTableComponent /> |
| 204 | + </div> |
| 205 | + ); |
| 206 | + } |
| 207 | + } |
| 208 | + |
| 209 | + ``` |
| 210 | + |
| 211 | +- Let's run the sample |
| 212 | + |
| 213 | + ``` |
| 214 | + npm start |
| 215 | + ``` |
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