angular2
Version:
Angular 2 - a web framework for modern web apps
100 lines • 17.4 kB
JavaScript
;var collection_1 = require('angular2/src/facade/collection');
var lang_1 = require('angular2/src/facade/lang');
var exceptions_1 = require('angular2/src/facade/exceptions');
var validators_1 = require('../validators');
var default_value_accessor_1 = require('./default_value_accessor');
var number_value_accessor_1 = require('./number_value_accessor');
var checkbox_value_accessor_1 = require('./checkbox_value_accessor');
var select_control_value_accessor_1 = require('./select_control_value_accessor');
var radio_control_value_accessor_1 = require('./radio_control_value_accessor');
var normalize_validator_1 = require('./normalize_validator');
function controlPath(name, parent) {
var p = collection_1.ListWrapper.clone(parent.path);
p.push(name);
return p;
}
exports.controlPath = controlPath;
function setUpControl(control, dir) {
if (lang_1.isBlank(control))
_throwError(dir, "Cannot find control");
if (lang_1.isBlank(dir.valueAccessor))
_throwError(dir, "No value accessor for");
control.validator = validators_1.Validators.compose([control.validator, dir.validator]);
control.asyncValidator = validators_1.Validators.composeAsync([control.asyncValidator, dir.asyncValidator]);
dir.valueAccessor.writeValue(control.value);
// view -> model
dir.valueAccessor.registerOnChange(function (newValue) {
dir.viewToModelUpdate(newValue);
control.updateValue(newValue, { emitModelToViewChange: false });
control.markAsDirty();
});
// model -> view
control.registerOnChange(function (newValue) { return dir.valueAccessor.writeValue(newValue); });
// touched
dir.valueAccessor.registerOnTouched(function () { return control.markAsTouched(); });
}
exports.setUpControl = setUpControl;
function setUpControlGroup(control, dir) {
if (lang_1.isBlank(control))
_throwError(dir, "Cannot find control");
control.validator = validators_1.Validators.compose([control.validator, dir.validator]);
control.asyncValidator = validators_1.Validators.composeAsync([control.asyncValidator, dir.asyncValidator]);
}
exports.setUpControlGroup = setUpControlGroup;
function _throwError(dir, message) {
var path = dir.path.join(" -> ");
throw new exceptions_1.BaseException(message + " '" + path + "'");
}
function composeValidators(validators) {
return lang_1.isPresent(validators) ? validators_1.Validators.compose(validators.map(normalize_validator_1.normalizeValidator)) : null;
}
exports.composeValidators = composeValidators;
function composeAsyncValidators(validators) {
return lang_1.isPresent(validators) ? validators_1.Validators.composeAsync(validators.map(normalize_validator_1.normalizeValidator)) : null;
}
exports.composeAsyncValidators = composeAsyncValidators;
function isPropertyUpdated(changes, viewModel) {
if (!collection_1.StringMapWrapper.contains(changes, "model"))
return false;
var change = changes["model"];
if (change.isFirstChange())
return true;
return !lang_1.looseIdentical(viewModel, change.currentValue);
}
exports.isPropertyUpdated = isPropertyUpdated;
// TODO: vsavkin remove it once https://github.com/angular/angular/issues/3011 is implemented
function selectValueAccessor(dir, valueAccessors) {
if (lang_1.isBlank(valueAccessors))
return null;
var defaultAccessor;
var builtinAccessor;
var customAccessor;
valueAccessors.forEach(function (v) {
if (lang_1.hasConstructor(v, default_value_accessor_1.DefaultValueAccessor)) {
defaultAccessor = v;
}
else if (lang_1.hasConstructor(v, checkbox_value_accessor_1.CheckboxControlValueAccessor) ||
lang_1.hasConstructor(v, number_value_accessor_1.NumberValueAccessor) ||
lang_1.hasConstructor(v, select_control_value_accessor_1.SelectControlValueAccessor) ||
lang_1.hasConstructor(v, radio_control_value_accessor_1.RadioControlValueAccessor)) {
if (lang_1.isPresent(builtinAccessor))
_throwError(dir, "More than one built-in value accessor matches");
builtinAccessor = v;
}
else {
if (lang_1.isPresent(customAccessor))
_throwError(dir, "More than one custom value accessor matches");
customAccessor = v;
}
});
if (lang_1.isPresent(customAccessor))
return customAccessor;
if (lang_1.isPresent(builtinAccessor))
return builtinAccessor;
if (lang_1.isPresent(defaultAccessor))
return defaultAccessor;
_throwError(dir, "No valid value accessor for");
return null;
}
exports.selectValueAccessor = selectValueAccessor;
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{ListWrapper, StringMapWrapper} from 'angular2/src/facade/collection';\nimport {isBlank, isPresent, looseIdentical, hasConstructor} from 'angular2/src/facade/lang';\nimport {BaseException, WrappedException} from 'angular2/src/facade/exceptions';\n\nimport {ControlContainer} from './control_container';\nimport {NgControl} from './ng_control';\nimport {AbstractControlDirective} from './abstract_control_directive';\nimport {NgControlGroup} from './ng_control_group';\nimport {Control, ControlGroup} from '../model';\nimport {Validators} from '../validators';\nimport {ControlValueAccessor} from './control_value_accessor';\nimport {DefaultValueAccessor} from './default_value_accessor';\nimport {NumberValueAccessor} from './number_value_accessor';\nimport {CheckboxControlValueAccessor} from './checkbox_value_accessor';\nimport {SelectControlValueAccessor} from './select_control_value_accessor';\nimport {RadioControlValueAccessor} from './radio_control_value_accessor';\nimport {normalizeValidator} from './normalize_validator';\n\n\nexport function controlPath(name: string, parent: ControlContainer): string[] {\n  var p = ListWrapper.clone(parent.path);\n  p.push(name);\n  return p;\n}\n\nexport function setUpControl(control: Control, dir: NgControl): void {\n  if (isBlank(control)) _throwError(dir, \"Cannot find control\");\n  if (isBlank(dir.valueAccessor)) _throwError(dir, \"No value accessor for\");\n\n  control.validator = Validators.compose([control.validator, dir.validator]);\n  control.asyncValidator = Validators.composeAsync([control.asyncValidator, dir.asyncValidator]);\n  dir.valueAccessor.writeValue(control.value);\n\n  // view -> model\n  dir.valueAccessor.registerOnChange((newValue: any) => {\n    dir.viewToModelUpdate(newValue);\n    control.updateValue(newValue, {emitModelToViewChange: false});\n    control.markAsDirty();\n  });\n\n  // model -> view\n  control.registerOnChange((newValue: any) => dir.valueAccessor.writeValue(newValue));\n\n  // touched\n  dir.valueAccessor.registerOnTouched(() => control.markAsTouched());\n}\n\nexport function setUpControlGroup(control: ControlGroup, dir: NgControlGroup) {\n  if (isBlank(control)) _throwError(dir, \"Cannot find control\");\n  control.validator = Validators.compose([control.validator, dir.validator]);\n  control.asyncValidator = Validators.composeAsync([control.asyncValidator, dir.asyncValidator]);\n}\n\nfunction _throwError(dir: AbstractControlDirective, message: string): void {\n  var path = dir.path.join(\" -> \");\n  throw new BaseException(`${message} '${path}'`);\n}\n\nexport function composeValidators(validators: /* Array<Validator|Function> */ any[]): Function {\n  return isPresent(validators) ? Validators.compose(validators.map(normalizeValidator)) : null;\n}\n\nexport function composeAsyncValidators(\n    validators: /* Array<Validator|Function> */ any[]): Function {\n  return isPresent(validators) ? Validators.composeAsync(validators.map(normalizeValidator)) : null;\n}\n\nexport function isPropertyUpdated(changes: {[key: string]: any}, viewModel: any): boolean {\n  if (!StringMapWrapper.contains(changes, \"model\")) return false;\n  var change = changes[\"model\"];\n\n  if (change.isFirstChange()) return true;\n  return !looseIdentical(viewModel, change.currentValue);\n}\n\n// TODO: vsavkin remove it once https://github.com/angular/angular/issues/3011 is implemented\nexport function selectValueAccessor(dir: NgControl,\n                                    valueAccessors: ControlValueAccessor[]): ControlValueAccessor {\n  if (isBlank(valueAccessors)) return null;\n\n  var defaultAccessor: ControlValueAccessor;\n  var builtinAccessor: ControlValueAccessor;\n  var customAccessor: ControlValueAccessor;\n  valueAccessors.forEach((v: ControlValueAccessor) => {\n    if (hasConstructor(v, DefaultValueAccessor)) {\n      defaultAccessor = v;\n\n    } else if (hasConstructor(v, CheckboxControlValueAccessor) ||\n               hasConstructor(v, NumberValueAccessor) ||\n               hasConstructor(v, SelectControlValueAccessor) ||\n               hasConstructor(v, RadioControlValueAccessor)) {\n      if (isPresent(builtinAccessor))\n        _throwError(dir, \"More than one built-in value accessor matches\");\n      builtinAccessor = v;\n\n    } else {\n      if (isPresent(customAccessor))\n        _throwError(dir, \"More than one custom value accessor matches\");\n      customAccessor = v;\n    }\n  });\n\n  if (isPresent(customAccessor)) return customAccessor;\n  if (isPresent(builtinAccessor)) return builtinAccessor;\n  if (isPresent(defaultAccessor)) return defaultAccessor;\n\n  _throwError(dir, \"No valid value accessor for\");\n  return null;\n}\n"]}