[feat] Go to first open line when enter is pressed

When filling out the signup or login pages, and when adding an
additional service provider, the enter key will trigger the submit
action. When on the choose provider page, enter will take you to the
next page.

- Resolves: #8841

5 files changed, 189 insertions, 94 deletions

diff --git a/ui/app/components/list_editor/index.js b/ui/app/components/list_editor/index.js
index 58b6ec4..4fff1ca 100644
--- a/ui/app/components/list_editor/index.js
+++ b/ui/app/components/list_editor/index.js
@@ -20,7 +20,8 @@ class ListEdit extends React.Component {
     selected: null,  // string of the selected item
     onRemove: null,
     onAdd: null,
-    onSelect: null
+    onSelect: null,
+    onKeyDown: null
   }}
 
   constructor(props) {
@@ -64,6 +65,18 @@ class ListEdit extends React.Component {
     }
   }
 
+  componentDidMount() {
+    if (this.props.onKeyDown) {
+      this.listEditorDiv.addEventListener("keydown", this.props.onKeyDown)
+    }
+  }
+
+  componentWillUnmount() {
+    if (this.props.onKeyDown) {
+      this.listEditorDiv.removeEventListener("keydown", this.props.onKeyDown)
+    }
+  }
+
   render() {
     let options = null
     if (this.props.items) {
@@ -72,11 +85,16 @@ class ListEdit extends React.Component {
       }, this)
     }
     return(
-      <div className="list-editor">
+      <div
+        ref={(div) => { this.listEditorDiv = div; }}
+        className="list-editor" >
         <FormControl
           value={this.row(this.props.selected)}
           className="list-select"
-          componentClass="select" size="5" onChange={this.click}>
+          componentClass="select"
+          size="5"
+          onChange={this.click}
+        >
           {options}
         </FormControl>
         <ButtonToolbar className="pull-right list-toolbar">
diff --git a/ui/app/components/login.js b/ui/app/components/login.js
index 0a47d58..2c96e0d 100644
--- a/ui/app/components/login.js
+++ b/ui/app/components/login.js
@@ -1,5 +1,4 @@
 import React from 'react'
-import ReactDOM from 'react-dom'
 
 import { FormGroup, ControlLabel, FormControl, HelpBlock, Button,
   Checkbox, Glyphicon, Overlay, Tooltip, Alert } from 'react-bootstrap'
@@ -59,6 +58,7 @@ class Login extends React.Component {
     this.onPassword2 = this.onPassword2.bind(this)
     this.onInvite    = this.onInvite.bind(this)
     this.onSubmit    = this.onSubmit.bind(this)
+    this.onKeyPress  = this.onKeyPress.bind(this)
     this.onRemember  = this.onRemember.bind(this)
   }
 
@@ -73,6 +73,19 @@ class Login extends React.Component {
     }
   }
 
+  componentDidUpdate(prevProps, prevState) {
+    // If the user changes anything in the domain (which follows the @ sign)
+    // it gets replaced reverted to the domain name. This moves the cursor to
+    // before the @ sign when that happens
+    if (this.props.domain && this.state.username){
+      let textarea = this.usernameref
+      let start = this.state.username.indexOf('@')
+      if (textarea.selectionStart > start) {
+        textarea.setSelectionRange(start, start)
+      }
+    }
+  }
+
   render () {
     let rememberCheck = ""
     let submitButton  = ""
@@ -147,10 +160,11 @@ class Login extends React.Component {
         <FormGroup controlId="loginPassword2" validationState={this.state.password2State}>
           <ControlLabel>Repeat Password</ControlLabel>
           <FormControl
-            type="password"
-            ref="password"
-            value={this.state.password2 || ""}
-            onChange={this.onPassword2} />
+              type="password"
+              inputRef={ref => this.password2ref = ref}
+              value={this.state.password2 || ""}
+              onChange={this.onPassword2}
+          />
           {this.state.password2State == 'success' ? null : <FormControl.Feedback/>}
           {password2Help}
         </FormGroup>
@@ -161,8 +175,10 @@ class Login extends React.Component {
           <FormGroup controlId="invite" validationState={this.state.inviteState}>
             <ControlLabel>Invite Code</ControlLabel>
             <FormControl
-              value={this.state.invite || ""}
-              onChange={this.onInvite} />
+                value={this.state.invite || ""}
+                onChange={this.onInvite}
+                inputRef={ref => this.inviteref = ref}
+            />
             {inviteHelp}
           </FormGroup>
         )
@@ -175,64 +191,54 @@ class Login extends React.Component {
       disabled: !this.maySubmit()
     }
     if (this.state.loading) {
-       submitButton = <Button block {...buttonProps}><Spinner /></Button>
+      submitButton = <Button block {...buttonProps}><Spinner /></Button>
     } else {
-       submitButton = <Button block {...buttonProps}>{buttonText}</Button>
+      submitButton = <Button block {...buttonProps}>{buttonText}</Button>
     }
-
-    let usernameref = null
     let usernameDisabled = false
     let usernameValue = this.state.username || ""
     if (this.props.address) {
       usernameDisabled = true
       usernameValue = this.props.address
-    } else if (this.props.domain) {
-      usernameref = function(c) {
-        if (c != null) {
-          let textarea = ReactDOM.findDOMNode(c)
-          let start = textarea.value.indexOf('@')
-          if (textarea.selectionStart > start) {
-            textarea.setSelectionRange(start, start)
-          }
-        }
-      }
     }
+    const form = (
+      <form onSubmit={this.onSubmit} onKeyPress={this.onKeyPress}>
+        {message}
+        <FormGroup style={{marginBottom: '10px' }} controlId="loginUsername" validationState={this.state.usernameState}>
+          <ControlLabel>Username</ControlLabel>
+          <FormControl
+              componentClass="textarea"
+              style={{resize: "none"}}
+              rows="1"
+              inputRef={(ref) => this.usernameref = ref}
+              autoFocus
+              value={usernameValue}
+              disabled={usernameDisabled}
+              onChange={this.onUsernameChange}
+              onBlur={this.onUsernameBlur}
+          />
+          {this.state.usernameState == 'success' ? null : <FormControl.Feedback/>}
+          {usernameHelp}
+        </FormGroup>
 
-    let form = <form onSubmit={this.onSubmit}>
-      {message}
-      <FormGroup style={{marginBottom: '10px' }} controlId="loginUsername" validationState={this.state.usernameState}>
-        <ControlLabel>Username</ControlLabel>
-        <FormControl
-          componentClass="textarea"
-          style={{resize: "none"}}
-          rows="1"
-          ref={usernameref}
-          autoFocus
-          value={usernameValue}
-          disabled={usernameDisabled}
-          onChange={this.onUsernameChange}
-          onBlur={this.onUsernameBlur} />
-        {this.state.usernameState == 'success' ? null : <FormControl.Feedback/>}
-        {usernameHelp}
-      </FormGroup>
-
-      <FormGroup controlId="loginPassword" validationState={this.state.passwordState}>
-        <ControlLabel>Password</ControlLabel>
-        <FormControl
-          type="password"
-          ref="password"
-          value={this.state.password || ""}
-          onChange={this.onPassword} />
-        {this.state.passwordState == 'success' ? null : <FormControl.Feedback/>}
-        {passwordHelp}
-      </FormGroup>
-
-      {password2Elem}
-      {inviteElem}
-      {submitButton}
-      {rememberCheck}
-    </form>
+        <FormGroup controlId="loginPassword" validationState={this.state.passwordState}>
+          <ControlLabel>Password</ControlLabel>
+          <FormControl
+              type="password"
+              inputRef={ref => this.passwordref = ref}
+              value={this.state.password || ""}
+              onChange={this.onPassword}
+          />
+          {this.state.passwordState == 'success' ? null : <FormControl.Feedback/>}
+          {passwordHelp}
+        </FormGroup>
 
+        {password2Elem}
+        {inviteElem}
+        {submitButton}
+        {rememberCheck}
+      </form>
+    )
     return form
   }
 
@@ -390,6 +396,33 @@ class Login extends React.Component {
     }
   }
 
+  /**
+   * Handle key presses
+   */
+  onKeyPress(e) {
+    // On "Enter", move the focus to the first mounted but unfilled field,
+    // or submit the form if there are none.
+    if (e.key === 'Enter') {
+      // Ignore the @ and domain when checking the username
+      if (this.usernameref.value.split('@')[0] === ''){
+        this.usernameref.focus()
+        return
+      }
+
+      const firstUnfilledField = [
+        this.passwordref,
+        this.password2ref,
+        this.inviteref,
+      ].find(ref => ref != null && ref.value == "")
+
+      if (firstUnfilledField) {
+        firstUnfilledField.focus()
+      } else {
+        this.onSubmit(e);
+      }
+    }
+  }
+
   doLogin() {
     let account = Account.findOrAdd(this.state.username)
     account.login(this.state.password, this.props.autoAllowed).then(
@@ -451,4 +484,4 @@ class Login extends React.Component {
 
 }
 
-export default Login
\ No newline at end of file
+export default Login
diff --git a/ui/app/components/main_panel/user_password_form.js b/ui/app/components/main_panel/user_password_form.js
index 5e26b19..33640f0 100644
--- a/ui/app/components/main_panel/user_password_form.js
+++ b/ui/app/components/main_panel/user_password_form.js
@@ -26,6 +26,7 @@ export default class UserPasswordForm extends React.Component {
       repeatPassword: null
     }
     this.submit = this.submit.bind(this)
+    this.onKeyPress = this.onKeyPress.bind(this)
     this.setNew = this.setNew.bind(this)
     this.setCurrent = this.setCurrent.bind(this)
     this.setRepeat = this.setRepeat.bind(this)
@@ -79,6 +80,22 @@ export default class UserPasswordForm extends React.Component {
     )
   }
 
+  onKeyPress(e) {
+    if (e.key === 'Enter') {
+      const firstUnfilledField = [
+        this.currentPasswordRef,
+        this.newPasswordRef,
+        this.repeatPasswordRef,
+      ].find(ref => ref != null && ref.value == "")
+
+      if (firstUnfilledField) {
+        firstUnfilledField.focus()
+      } else {
+        this.submit(e);
+      }
+    }
+  }
+
   render () {
     let submitButton = null
     let message = null
@@ -100,21 +117,30 @@ export default class UserPasswordForm extends React.Component {
       submitButton = <Button block disabled={!this.maySubmit()} onClick={this.submit}>Change</Button>
     }
     return (
-      <form onSubmit={this.submit}>
+      <form onSubmit={this.submit} onKeyPress={this.onKeyPress}>
         {message}
-        <PasswordField id={this.props.account.id + "-current-password"}
-          label="Current Password"
-          validationMode="none"
-          onChange={this.setCurrent} />
-        <PasswordField id={this.props.account.id + "-new-password"}
-          label="New Password"
-          validationMode="crack"
-          onChange={this.setNew} />
-        <PasswordField id={this.props.account.id + "-repeat-password"}
-          label="Repeat Password"
-          validationMode="match"
-          matchText={this.state.newPassword}
-          onChange={this.setRepeat} />
+        <PasswordField
+            id={this.props.account.id + "-current-password"}
+            inputRef={ref => this.currentPasswordRef = ref}
+            label="Current Password"
+            validationMode="none"
+            onChange={this.setCurrent}
+        />
+        <PasswordField
+            id={this.props.account.id + "-new-password"}
+            inputRef={ref => this.newPasswordRef = ref}
+            label="New Password"
+            validationMode="crack"
+            onChange={this.setNew}
+        />
+        <PasswordField
+            id={this.props.account.id + "-repeat-password"}
+            inputRef={ref => this.repeatPasswordRef = ref}
+            label="Repeat Password"
+            validationMode="match"
+            matchText={this.state.newPassword}
+            onChange={this.setRepeat}
+        />
         {submitButton}
       </form>
     )
diff --git a/ui/app/components/password_field.js b/ui/app/components/password_field.js
index 8397967..654b8a5 100644
--- a/ui/app/components/password_field.js
+++ b/ui/app/components/password_field.js
@@ -8,13 +8,16 @@ import Validate from 'lib/validate'
 
 export default class PasswordField extends React.Component {
 
-  static get defaultProps() {return{
-    id: null,                // required. controlId of the element
-    label: "Password",
-    onChange: null,          // callback passed current password
-    validationMode: "crack", // one of 'none', 'match', 'crack'
-    matchText: null,         // used if validationMode == 'match'
-  }}
+  static get defaultProps() {
+    return {
+      id: null,                // required. controlId of the element
+      label: "Password",
+      onChange: null,          // callback passed current password
+      validationMode: "crack", // one of 'none', 'match', 'crack'
+      matchText: null,         // used if validationMode == 'match'
+      inputRef: null,          // a ref to the input. Used to set focus
+    }
+  }
 
   constructor(props) {
     super(props)
@@ -43,14 +46,15 @@ export default class PasswordField extends React.Component {
       <FormGroup controlId={this.props.id} validationState={this.state.passwordState}>
         <ControlLabel>{this.props.label}</ControlLabel>
         <FormControl
-          type="password"
-          ref="password"
-          value={this.state.password || ""}
-          onChange={this.keypress} />
+            type="password"
+            inputRef={this.props.inputRef}
+            value={this.state.password || ""}
+            onChange={this.keypress}
+        />
         {this.state.passwordState == 'success' ? null : <FormControl.Feedback/>}
         {passwordHelp}
       </FormGroup>
-     )
+    )
   }
 
   keypress(e) {
diff --git a/ui/app/components/wizard/provider_select_stage.js b/ui/app/components/wizard/provider_select_stage.js
index 2a342d9..b19fc8a 100644
--- a/ui/app/components/wizard/provider_select_stage.js
+++ b/ui/app/components/wizard/provider_select_stage.js
@@ -33,12 +33,13 @@ export default class ProviderSelectStage extends React.Component {
       provider: null,     // Provider object, if selected
       error: null         // error message
     }
-    this.add      = this.add.bind(this)
-    this.remove   = this.remove.bind(this)
-    this.select   = this.select.bind(this)
-    this.close    = this.close.bind(this)
-    this.cancel   = this.cancel.bind(this)
-    this.next     = this.next.bind(this)
+    this.add       = this.add.bind(this)
+    this.remove    = this.remove.bind(this)
+    this.select    = this.select.bind(this)
+    this.close     = this.close.bind(this)
+    this.cancel    = this.cancel.bind(this)
+    this.next      = this.next.bind(this)
+    this.onKeyDown = this.onKeyDown.bind(this)
   }
 
   componentWillMount() {
@@ -134,6 +135,13 @@ export default class ProviderSelectStage extends React.Component {
     })
   }
 
+  onKeyDown(e) {
+    // Check for enter key
+    if (e.keyCode === 13) {
+      this.next();
+    }
+  }
+
   render() {
     let modal = null
     let info = null
@@ -171,9 +179,15 @@ export default class ProviderSelectStage extends React.Component {
         </ButtonToolbar>
       </div>
     )
-    let editlist = <ListEditor ref="list" items={this.state.domains}
-      selected={this.state.selected} onRemove={this.remove} onAdd={this.add}
-      onSelect={this.select} />
+    let editlist = <ListEditor
+                       ref="list"
+                       items={this.state.domains}
+                       selected={this.state.selected}
+                       onRemove={this.remove}
+                       onAdd={this.add}
+                       onSelect={this.select}
+                       onKeyDown={this.onKeyDown}
+                   />
     return(
       <StageLayout title={this.props.title} subtitle={this.props.subtitle} buttons={buttons}>
         <HorizontalLayout equalWidths={true}>