// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

part of $LIBRARYNAME;

$(ANNOTATIONS)class $CLASSNAME$EXTENDS implements
    HiddenInputElement,
    SearchInputElement,
    TextInputElement,
    UrlInputElement,
    TelephoneInputElement,
    EmailInputElement,
    PasswordInputElement,
    DateInputElement,
    MonthInputElement,
    WeekInputElement,
    TimeInputElement,
    LocalDateTimeInputElement,
    NumberInputElement,
    RangeInputElement,
    CheckboxInputElement,
    RadioButtonInputElement,
    FileUploadInputElement,
    SubmitButtonInputElement,
    ImageButtonInputElement,
    ResetButtonInputElement,
    ButtonInputElement
    $NATIVESPEC {

  factory InputElement({String type}) {
    var e = document.$dom_createElement("input");
    if (type != null) {
      try {
        // IE throws an exception for unknown types.
        e.type = type;
      } catch(_) {}
    }
    return e;
  }

$if DART2JS
  @Creates('Null')  // Set from Dart code; does not instantiate a native type.
$endif
  _ValueBinding _valueBinding;

$if DART2JS
  @Creates('Null')  // Set from Dart code; does not instantiate a native type.
$endif
  _CheckedBinding _checkedBinding;

  @Experimental
  void bind(String name, model, String path) {
    switch (name) {
      case 'value':
        unbind('value');
        attributes.remove('value');
        _valueBinding = new _ValueBinding(this, model, path);
        break;
      case 'checked':
        unbind('checked');
        attributes.remove('checked');
        _checkedBinding = new _CheckedBinding(this, model, path);
        break;
      default:
        // TODO(jmesserly): this should be "super" (http://dartbug.com/10166).
        // Similar issue for unbind/unbindAll below.
        Element._bindElement(this, name, model, path);
        break;
    }
  }

  @Experimental
  void unbind(String name) {
    switch (name) {
      case 'value':
        if (_valueBinding != null) {
          _valueBinding.unbind();
          _valueBinding = null;
        }
        break;
      case 'checked':
        if (_checkedBinding != null) {
          _checkedBinding.unbind();
          _checkedBinding = null;
        }
        break;
      default:
        Element._unbindElement(this, name);
        break;
    }
  }

  @Experimental
  void unbindAll() {
    unbind('value');
    unbind('checked');
    Element._unbindAllElement(this);
  }

$!MEMBERS
}


// Interfaces representing the InputElement APIs which are supported
// for the various types of InputElement. From:
// http://www.w3.org/html/wg/drafts/html/master/forms.html#the-input-element.

/**
 * Exposes the functionality common between all InputElement types.
 */
abstract class InputElementBase implements Element {
  @DomName('HTMLInputElement.autofocus')
  bool autofocus;

  @DomName('HTMLInputElement.disabled')
  bool disabled;

  @DomName('HTMLInputElement.incremental')
  bool incremental;

  @DomName('HTMLInputElement.indeterminate')
  bool indeterminate;

  @DomName('HTMLInputElement.labels')
  List<Node> get labels;

  @DomName('HTMLInputElement.name')
  String name;

  @DomName('HTMLInputElement.validationMessage')
  String get validationMessage;

  @DomName('HTMLInputElement.validity')
  ValidityState get validity;

  @DomName('HTMLInputElement.value')
  String value;

  @DomName('HTMLInputElement.willValidate')
  bool get willValidate;

  @DomName('HTMLInputElement.checkValidity')
  bool checkValidity();

  @DomName('HTMLInputElement.setCustomValidity')
  void setCustomValidity(String error);
}

/**
 * Hidden input which is not intended to be seen or edited by the user.
 */
abstract class HiddenInputElement implements InputElementBase {
  factory HiddenInputElement() => new InputElement(type: 'hidden');
}


/**
 * Base interface for all inputs which involve text editing.
 */
abstract class TextInputElementBase implements InputElementBase {
  @DomName('HTMLInputElement.autocomplete')
  String autocomplete;

  @DomName('HTMLInputElement.maxLength')
  int maxLength;

  @DomName('HTMLInputElement.pattern')
  String pattern;

  @DomName('HTMLInputElement.placeholder')
  String placeholder;

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  @DomName('HTMLInputElement.size')
  int size;

  @DomName('HTMLInputElement.select')
  void select();

  @DomName('HTMLInputElement.selectionDirection')
  String selectionDirection;

  @DomName('HTMLInputElement.selectionEnd')
  int selectionEnd;

  @DomName('HTMLInputElement.selectionStart')
  int selectionStart;

  @DomName('HTMLInputElement.setSelectionRange')
  void setSelectionRange(int start, int end, [String direction]);
}

/**
 * Similar to [TextInputElement], but on platforms where search is styled
 * differently this will get the search style.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.FIREFOX)
@SupportedBrowser(SupportedBrowser.IE, '10')
@SupportedBrowser(SupportedBrowser.SAFARI)
abstract class SearchInputElement implements TextInputElementBase {
  factory SearchInputElement() => new InputElement(type: 'search');

  @DomName('HTMLInputElement.dirName')
  String dirName;

  @DomName('HTMLInputElement.list')
  Element get list;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'search')).type == 'search';
  }
}

/**
 * A basic text input editor control.
 */
abstract class TextInputElement implements TextInputElementBase {
  factory TextInputElement() => new InputElement(type: 'text');

  @DomName('HTMLInputElement.dirName')
  String dirName;

  @DomName('HTMLInputElement.list')
  Element get list;
}

/**
 * A control for editing an absolute URL.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.FIREFOX)
@SupportedBrowser(SupportedBrowser.IE, '10')
@SupportedBrowser(SupportedBrowser.SAFARI)
abstract class UrlInputElement implements TextInputElementBase {
  factory UrlInputElement() => new InputElement(type: 'url');

  @DomName('HTMLInputElement.list')
  Element get list;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'url')).type == 'url';
  }
}

/**
 * Represents a control for editing a telephone number.
 *
 * This provides a single line of text with minimal formatting help since
 * there is a wide variety of telephone numbers.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.FIREFOX)
@SupportedBrowser(SupportedBrowser.IE, '10')
@SupportedBrowser(SupportedBrowser.SAFARI)
abstract class TelephoneInputElement implements TextInputElementBase {
  factory TelephoneInputElement() => new InputElement(type: 'tel');

  @DomName('HTMLInputElement.list')
  Element get list;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'tel')).type == 'tel';
  }
}

/**
 * An e-mail address or list of e-mail addresses.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.FIREFOX)
@SupportedBrowser(SupportedBrowser.IE, '10')
@SupportedBrowser(SupportedBrowser.SAFARI)
abstract class EmailInputElement implements TextInputElementBase {
  factory EmailInputElement() => new InputElement(type: 'email');

  @DomName('HTMLInputElement.autocomplete')
  String autocomplete;

  @DomName('HTMLInputElement.autofocus')
  bool autofocus;

  @DomName('HTMLInputElement.list')
  Element get list;

  @DomName('HTMLInputElement.maxLength')
  int maxLength;

  @DomName('HTMLInputElement.multiple')
  bool multiple;

  @DomName('HTMLInputElement.pattern')
  String pattern;

  @DomName('HTMLInputElement.placeholder')
  String placeholder;

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  @DomName('HTMLInputElement.size')
  int size;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'email')).type == 'email';
  }
}

/**
 * Text with no line breaks (sensitive information).
 */
abstract class PasswordInputElement implements TextInputElementBase {
  factory PasswordInputElement() => new InputElement(type: 'password');
}

/**
 * Base interface for all input element types which involve ranges.
 */
abstract class RangeInputElementBase implements InputElementBase {

  @DomName('HTMLInputElement.list')
  Element get list;

  @DomName('HTMLInputElement.max')
  String max;

  @DomName('HTMLInputElement.min')
  String min;

  @DomName('HTMLInputElement.step')
  String step;

  @DomName('HTMLInputElement.valueAsNumber')
  num valueAsNumber;

  @DomName('HTMLInputElement.stepDown')
  void stepDown([int n]);

  @DomName('HTMLInputElement.stepUp')
  void stepUp([int n]);
}

/**
 * A date (year, month, day) with no time zone.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME, '25')
@Experimental
abstract class DateInputElement implements RangeInputElementBase {
  factory DateInputElement() => new InputElement(type: 'date');

  @DomName('HTMLInputElement.valueAsDate')
  DateTime valueAsDate;

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'date')).type == 'date';
  }
}

/**
 * A date consisting of a year and a month with no time zone.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME, '25')
@Experimental
abstract class MonthInputElement implements RangeInputElementBase {
  factory MonthInputElement() => new InputElement(type: 'month');

  @DomName('HTMLInputElement.valueAsDate')
  DateTime valueAsDate;

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'month')).type == 'month';
  }
}

/**
 * A date consisting of a week-year number and a week number with no time zone.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME, '25')
@Experimental
abstract class WeekInputElement implements RangeInputElementBase {
  factory WeekInputElement() => new InputElement(type: 'week');

  @DomName('HTMLInputElement.valueAsDate')
  DateTime valueAsDate;

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'week')).type == 'week';
  }
}

/**
 * A time (hour, minute, seconds, fractional seconds) with no time zone.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME)
@Experimental
abstract class TimeInputElement implements RangeInputElementBase {
  factory TimeInputElement() => new InputElement(type: 'time');

  @DomName('HTMLInputElement.valueAsDate')
  DateTime valueAsDate;

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'time')).type == 'time';
  }
}

/**
 * A date and time (year, month, day, hour, minute, second, fraction of a
 * second) with no time zone.
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME, '25')
@Experimental
abstract class LocalDateTimeInputElement implements RangeInputElementBase {
  factory LocalDateTimeInputElement() =>
      new InputElement(type: 'datetime-local');

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'datetime-local')).type == 'datetime-local';
  }
}

/**
 * A numeric editor control.
 */
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.IE)
@SupportedBrowser(SupportedBrowser.SAFARI)
@Experimental
abstract class NumberInputElement implements RangeInputElementBase {
  factory NumberInputElement() => new InputElement(type: 'number');

  @DomName('HTMLInputElement.placeholder')
  String placeholder;

  @DomName('HTMLInputElement.readOnly')
  bool readOnly;

  @DomName('HTMLInputElement.required')
  bool required;

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'number')).type == 'number';
  }
}

/**
 * Similar to [NumberInputElement] but the browser may provide more optimal
 * styling (such as a slider control).
 *
 * Use [supported] to check if this is supported on the current platform.
 */
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.IE, '10')
@Experimental
abstract class RangeInputElement implements RangeInputElementBase {
  factory RangeInputElement() => new InputElement(type: 'range');

  /// Returns true if this input type is supported on the current platform.
  static bool get supported {
    return (new InputElement(type: 'range')).type == 'range';
  }
}

/**
 * A boolean editor control.
 *
 * Note that if [indeterminate] is set then this control is in a third
 * indeterminate state.
 */
abstract class CheckboxInputElement implements InputElementBase {
  factory CheckboxInputElement() => new InputElement(type: 'checkbox');

  @DomName('HTMLInputElement.checked')
  bool checked;

  @DomName('HTMLInputElement.required')
  bool required;
}


/**
 * A control that when used with other [ReadioButtonInputElement] controls
 * forms a radio button group in which only one control can be checked at a
 * time.
 *
 * Radio buttons are considered to be in the same radio button group if:
 *
 * * They are all of type 'radio'.
 * * They all have either the same [FormElement] owner, or no owner.
 * * Their name attributes contain the same name.
 */
abstract class RadioButtonInputElement implements InputElementBase {
  factory RadioButtonInputElement() => new InputElement(type: 'radio');

  @DomName('HTMLInputElement.checked')
  bool checked;

  @DomName('HTMLInputElement.required')
  bool required;
}

/**
 * A control for picking files from the user's computer.
 */
abstract class FileUploadInputElement implements InputElementBase {
  factory FileUploadInputElement() => new InputElement(type: 'file');

  @DomName('HTMLInputElement.accept')
  String accept;

  @DomName('HTMLInputElement.multiple')
  bool multiple;

  @DomName('HTMLInputElement.required')
  bool required;

  @DomName('HTMLInputElement.files')
  List<File> files;
}

/**
 * A button, which when clicked, submits the form.
 */
abstract class SubmitButtonInputElement implements InputElementBase {
  factory SubmitButtonInputElement() => new InputElement(type: 'submit');

  @DomName('HTMLInputElement.formAction')
  String formAction;

  @DomName('HTMLInputElement.formEnctype')
  String formEnctype;

  @DomName('HTMLInputElement.formMethod')
  String formMethod;

  @DomName('HTMLInputElement.formNoValidate')
  bool formNoValidate;

  @DomName('HTMLInputElement.formTarget')
  String formTarget;
}

/**
 * Either an image which the user can select a coordinate to or a form
 * submit button.
 */
abstract class ImageButtonInputElement implements InputElementBase {
  factory ImageButtonInputElement() => new InputElement(type: 'image');

  @DomName('HTMLInputElement.alt')
  String alt;

  @DomName('HTMLInputElement.formAction')
  String formAction;

  @DomName('HTMLInputElement.formEnctype')
  String formEnctype;

  @DomName('HTMLInputElement.formMethod')
  String formMethod;

  @DomName('HTMLInputElement.formNoValidate')
  bool formNoValidate;

  @DomName('HTMLInputElement.formTarget')
  String formTarget;

  @DomName('HTMLInputElement.height')
  int height;

  @DomName('HTMLInputElement.src')
  String src;

  @DomName('HTMLInputElement.width')
  int width;
}

/**
 * A button, which when clicked, resets the form.
 */
abstract class ResetButtonInputElement implements InputElementBase {
  factory ResetButtonInputElement() => new InputElement(type: 'reset');
}

/**
 * A button, with no default behavior.
 */
abstract class ButtonInputElement implements InputElementBase {
  factory ButtonInputElement() => new InputElement(type: 'button');
}