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feat(change_detection): added support for observable components and directives

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This commit is contained in:
vsavkin
2015-08-21 14:45:38 -07:00
parent 85ec34d1d9
commit e8e430e630
11 changed files with 202 additions and 105 deletions
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23
modules/angular2/src/transform/template_compiler/change_detector_codegen.dart
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@ -10,6 +10,7 @@ import 'package:angular2/src/change_detection/proto_change_detector.dart';
import 'package:angular2/src/change_detection/proto_record.dart';
import 'package:angular2/src/change_detection/event_binding.dart';
import 'package:angular2/src/change_detection/binding_record.dart';
import 'package:angular2/src/change_detection/codegen_facade.dart' show codify;
import 'package:angular2/src/facade/lang.dart' show BaseException;
/// Responsible for generating change detector classes for Angular 2.
@ -74,7 +75,7 @@ class _CodegenState {
/// The name of the generated change detector class. This is an implementation
/// detail and should not be visible to users.
final String _changeDetectorTypeName;
final String _changeDetectionMode;
final String _changeDetectionStrategy;
final List<DirectiveRecord> _directiveRecords;
final List<ProtoRecord> _records;
final List<EventBinding> _eventBindings;
@ -87,16 +88,14 @@ class _CodegenState {
this._changeDetectorDefId,
this._contextTypeName,
this._changeDetectorTypeName,
String changeDetectionStrategy,
this._changeDetectionStrategy,
this._records,
this._propertyBindingTargets,
this._eventBindings,
this._directiveRecords,
this._logic,
this._names,
this._genConfig)
: _changeDetectionMode =
ChangeDetectionUtil.changeDetectionMode(changeDetectionStrategy);
this._genConfig);
factory _CodegenState(String typeName, String changeDetectorTypeName,
ChangeDetectorDefinition def) {
@ -130,7 +129,7 @@ class _CodegenState {
dispatcher, ${_records.length},
${_changeDetectorTypeName}.gen_propertyBindingTargets,
${_changeDetectorTypeName}.gen_directiveIndices,
'$_changeDetectionMode') {
${codify(_changeDetectionStrategy)}) {
dehydrateDirectives(false);
}
@ -248,7 +247,7 @@ class _CodegenState {
}
String _maybeGenHydrateDirectives() {
var hydrateDirectivesCode = _genHydrateDirectives();
var hydrateDirectivesCode = _logic.genHydrateDirectives(_directiveRecords);
var hydrateDetectorsCode = _logic.genHydrateDetectors(_directiveRecords);
if (hydrateDirectivesCode.isEmpty && hydrateDetectorsCode.isEmpty) {
return '';
@ -257,16 +256,6 @@ class _CodegenState {
'{ $hydrateDirectivesCode $hydrateDetectorsCode }';
}
String _genHydrateDirectives() {
var buf = new StringBuffer();
var directiveFieldNames = _names.getAllDirectiveNames();
for (var i = 0; i < directiveFieldNames.length; ++i) {
buf.writeln('${directiveFieldNames[i]} = directives.getDirectiveFor('
'${_names.getDirectivesAccessorName()}[$i]);');
}
return '$buf';
}
/// Generates calls to `onAllChangesDone` for all `Directive`s that request
/// them.
String _maybeGenCallOnAllChangesDone() {