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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 import '../../framework/fn.dart'; |
| 6 import '../../framework/theme/colors.dart'; |
| 7 import 'editable_string.dart'; |
| 8 import 'editable_text.dart'; |
| 9 import 'keyboard.dart'; |
| 10 |
| 11 typedef void ValueChanged(value); |
| 12 |
| 13 class Input extends Component { |
| 14 static final Style _style = new Style(''' |
| 15 display: paragraph; |
| 16 margin: 8px; |
| 17 padding: 8px; |
| 18 border-bottom: 1px solid ${Grey[200]}; |
| 19 align-self: center; |
| 20 height: 1.2em; |
| 21 white-space: pre; |
| 22 overflow: hidden;''' |
| 23 ); |
| 24 |
| 25 static final String _focusedInlineStyle = ''' |
| 26 padding: 7px; |
| 27 border-bottom: 2px solid ${Blue[500]};'''; |
| 28 |
| 29 ValueChanged onChanged; |
| 30 String value; |
| 31 |
| 32 bool _focused = false; |
| 33 EditableString _editableValue; |
| 34 |
| 35 Input({Object key, this.value: ''}) : super(key: key, stateful: true) { |
| 36 _editableValue = new EditableString(text: value, |
| 37 onUpdated: _handleTextUpdated); |
| 38 events.listen('click', _handleClick); |
| 39 } |
| 40 |
| 41 void _handleClick(_) { |
| 42 keyboard.show(_editableValue.stub); |
| 43 setState(() { |
| 44 _focused = true; |
| 45 }); |
| 46 } |
| 47 |
| 48 void _handleTextUpdated() { |
| 49 setState(() {}); |
| 50 if (value != _editableValue.text) { |
| 51 value = _editableValue.text; |
| 52 if (onChanged != null) |
| 53 onChanged(value); |
| 54 } |
| 55 } |
| 56 |
| 57 Node build() { |
| 58 return new Container( |
| 59 style: _style, |
| 60 inlineStyle: _focused ? _focusedInlineStyle : null, |
| 61 children: [ |
| 62 new EditableText(value: _editableValue, focused: _focused), |
| 63 ] |
| 64 ); |
| 65 } |
| 66 } |
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