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refactor(change_detector): made change detection responsible for processing events

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Closes #3666
This commit is contained in:
vsavkin
2015-08-17 15:39:00 +00:00
committed by Victor Savkin
parent 8b655c7be3
commit 4845583dcf
34 changed files with 837 additions and 1014 deletions
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modules/angular2/src/change_detection/codegen_logic_util.ts
+38 -11
View File
@@ -1,7 +1,7 @@
import {ListWrapper} from 'angular2/src/facade/collection';
import {BaseException, Json} from 'angular2/src/facade/lang';
import {CodegenNameUtil} from './codegen_name_util';
import {codify, combineGeneratedStrings} from './codegen_facade';
import {codify, combineGeneratedStrings, rawString} from './codegen_facade';
import {ProtoRecord, RecordType} from './proto_record';
/**
@@ -12,14 +12,28 @@ export class CodegenLogicUtil {
/**
* Generates a statement which updates the local variable representing `protoRec` with the current
* value of the record.
* value of the record. Used by property bindings.
*/
genUpdateCurrentValue(protoRec: ProtoRecord): string {
genPropertyBindingEvalValue(protoRec: ProtoRecord): string {
return this.genEvalValue(protoRec, idx => this._names.getLocalName(idx),
this._names.getLocalsAccessorName());
}
/**
* Generates a statement which updates the local variable representing `protoRec` with the current
* value of the record. Used by event bindings.
*/
genEventBindingEvalValue(eventRecord: any, protoRec: ProtoRecord): string {
return this.genEvalValue(protoRec, idx => this._names.getEventLocalName(eventRecord, idx),
"locals");
}
private genEvalValue(protoRec: ProtoRecord, getLocalName: Function,
localsAccessor: string): string {
var context = (protoRec.contextIndex == -1) ?
this._names.getDirectiveName(protoRec.directiveIndex) :
this._names.getLocalName(protoRec.contextIndex);
var argString =
ListWrapper.map(protoRec.args, (arg) => this._names.getLocalName(arg)).join(", ");
getLocalName(protoRec.contextIndex);
var argString = ListWrapper.map(protoRec.args, (arg) => getLocalName(arg)).join(", ");
var rhs: string;
switch (protoRec.mode) {
@@ -31,7 +45,7 @@ export class CodegenLogicUtil {
rhs = codify(protoRec.funcOrValue);
break;
case RecordType.PROPERTY:
case RecordType.PROPERTY_READ:
rhs = `${context}.${protoRec.name}`;
break;
@@ -39,8 +53,12 @@ export class CodegenLogicUtil {
rhs = `${this._utilName}.isValueBlank(${context}) ? null : ${context}.${protoRec.name}`;
break;
case RecordType.PROPERTY_WRITE:
rhs = `${context}.${protoRec.name} = ${getLocalName(protoRec.args[0])}`;
break;
case RecordType.LOCAL:
rhs = `${this._names.getLocalsAccessorName()}.get('${protoRec.name}')`;
rhs = `${localsAccessor}.get(${rawString(protoRec.name)})`;
break;
case RecordType.INVOKE_METHOD:
@@ -68,16 +86,25 @@ export class CodegenLogicUtil {
rhs = this._genInterpolation(protoRec);
break;
case RecordType.KEYED_ACCESS:
rhs = `${context}[${this._names.getLocalName(protoRec.args[0])}]`;
case RecordType.KEYED_READ:
rhs = `${context}[${getLocalName(protoRec.args[0])}]`;
break;
case RecordType.KEYED_WRITE:
rhs = `${context}[${getLocalName(protoRec.args[0])}] = ${getLocalName(protoRec.args[1])}`;
break;
case RecordType.CHAIN:
rhs = 'null';
break;
default:
throw new BaseException(`Unknown operation ${protoRec.mode}`);
}
return `${this._names.getLocalName(protoRec.selfIndex)} = ${rhs};`;
return `${getLocalName(protoRec.selfIndex)} = ${rhs};`;
}
_genInterpolation(protoRec: ProtoRecord): string {
var iVals = [];
for (var i = 0; i < protoRec.args.length; ++i) {