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old value in methods bind

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This commit is contained in:
Dima Granetchi
2014-11-25 21:33:43 +02:00
parent 1b1a40ce2a
commit 60274dc7a0
2 changed files with 23 additions and 7 deletions
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src/bindx/BindxExt.hx
+10 -3
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@@ -241,6 +241,9 @@ class BindExt {
var value = '${prefix}value${i+1}';
var valueExpr = macro $i { value };
var oldValue = '${prefix}oldValue${i+1}';
var oldValueExpr = macro $i { oldValue };
var fieldName = prev.field.name;
var e = prev.e;
@@ -253,7 +256,7 @@ class BindExt {
var fn = prev.field.name;
res.expr = macro @:pos(prev.e.pos) ${prev.e}.$fn;
}
if (prev.bindable) {
var unbind = BindMacros.bindingSignalProvider.getClassFieldUnbindExpr(valueExpr, prev.field, prevListenerNameExpr );
@@ -266,11 +269,15 @@ class BindExt {
$ { BindMacros.bindingSignalProvider.getClassFieldBindExpr(macro n, prev.field, prevListenerNameExpr ) });
}
var callPrev = macro $prevListenerNameExpr($a { prev.params != null ? [] : [macro o != null ? o.$fieldName : null, macro n != null ? n.$fieldName : null] } );
//fieldListenerBody.push(macro trace(Std.string(o) + " -> " + Std.string(n)));
fieldListenerBody.push(callPrev);
if (field.params != null) {
fieldListenerBody.unshift(macro var n:Null<$type> = try $e catch (e:Dynamic) null );
fieldListenerBody.unshift(macro var o:Null<$type> = null );
fieldListenerBody.unshift(macro var n:Null<$type> = $i{oldValue} = try $e catch (e:Dynamic) null );
fieldListenerBody.unshift(macro var o:Null<$type> = $i{oldValue} );
res.init.push(macro var $oldValue:Null<$type> = null);
res.unbind.push(macro $oldValueExpr = null);
fieldListener = macro function $listenerName ():Void $b { fieldListenerBody };
} else {