public void setFirstFocus(FocusScopeNode scope)
{
D.assert(scope != null);
D.assert(scope != this, () => "Unexpected self-reference in setFirstFocus.");
D.assert(FocusManagerUtils._focusDebug($"Setting scope as first focus in {this} to node:", new List <string> {
scope.ToString()
}));
if (scope._parent == null)
{
_reparent(scope);
}
D.assert(scope.ancestors.Contains(this), () => $"{typeof(FocusScopeNode)}" + $"{scope} must be a child of" + $" {this} to set it as first focus.");
if (hasFocus)
{
scope._doRequestFocus(findFirstFocus: true);
}
else
{
scope._setAsFocusedChildForScope();
}
}
public override void _doRequestFocus(bool findFirstFocus = false)
{
D.assert(findFirstFocus != null);
// It is possible that a previously focused child is no longer focusable.
while (focusedChild != null && !focusedChild.canRequestFocus)
{
_focusedChildren.removeLast();
}
if (!findFirstFocus)
{
if (canRequestFocus)
{
_setAsFocusedChildForScope();
_markNextFocus(this);
}
return;
}
FocusNode primaryFocus = focusedChild ?? this;
while (primaryFocus is FocusScopeNode && (( FocusScopeNode)primaryFocus).focusedChild != null)
{
FocusScopeNode scope = primaryFocus as FocusScopeNode;
primaryFocus = scope.focusedChild;
}
if (primaryFocus == this)
{
if (primaryFocus.canRequestFocus)
{
_setAsFocusedChildForScope();
_markNextFocus(this);
}
}
else
{
primaryFocus._doRequestFocus(findFirstFocus: findFirstFocus);
}
}
Widget _buildMiddleView(BuildContext context)
{
return(new Container(
padding: EdgeInsets.symmetric(horizontal: 16),
child: new Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: new List <Widget> {
new Container(height: 32),
new Container(
child: new Text(
"邮箱",
style: CTextStyle.PMediumBody4
)
),
new Container(
height: 46,
decoration: new BoxDecoration(
CColors.Transparent,
border: new Border(
bottom: new BorderSide(
this._isEmailFocus ? CColors.PrimaryBlue : CColors.Separator,
this._isEmailFocus ? 2 : 1
)
)
),
alignment: Alignment.center,
child: new InputField(
focusNode: this._emailFocusNode,
maxLines: 1,
autofocus: true,
enabled: !this.widget.viewModel.loginLoading,
style: CTextStyle.PLargeBody,
cursorColor: CColors.PrimaryBlue,
clearButtonMode: InputFieldClearButtonMode.whileEditing,
keyboardType: TextInputType.emailAddress,
onChanged: text => this.widget.actionModel.changeEmail(text),
onSubmitted: _ => {
if (null == this._focusScopeNode)
{
this._focusScopeNode = FocusScope.of(context);
}
this._focusScopeNode.requestFocus(this._passwordFocusNode);
}
)
),
new Container(height: 16),
new Container(
child: new Text(
"密码",
style: CTextStyle.PMediumBody4
)
),
new Container(
height: 46,
decoration: new BoxDecoration(
CColors.Transparent,
border: new Border(
bottom: new BorderSide(
this._isPasswordFocus ? CColors.PrimaryBlue : CColors.Separator,
this._isPasswordFocus ? 2 : 1
)
)
),
alignment: Alignment.center,
child: new InputField(
focusNode: this._passwordFocusNode,
maxLines: 1,
autofocus: false,
obscureText: true,
enabled: !this.widget.viewModel.loginLoading,
style: CTextStyle.PLargeBody,
cursorColor: CColors.PrimaryBlue,
clearButtonMode: InputFieldClearButtonMode.whileEditing,
onChanged: text => this.widget.actionModel.changePassword(text),
onSubmitted: _ => this._login()
)
)
}
)
));
}
