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Posted to issues@royale.apache.org by GitBox <gi...@apache.org> on 2020/06/22 09:32:22 UTC
[GitHub] [royale-asjs] pashminakazi opened a new issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
pashminakazi opened a new issue #871:
URL: https://github.com/apache/royale-asjs/issues/871
Select Date and click save button then validateFormOnServer function will be called.In that function we are doing
```
var date1:String = cc_AthrzDate.value.toString();
var date2:String = cc_CanclDate.value.toString();
```
cc_AthrzDate is mx:DateField.
cc_AthrzDate.value.toString(); is throwing exception because **cc_AthrzDate.value** is null
Please check this example
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[GitHub] [royale-asjs] aharui commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
aharui commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-647584929
Is the value property implemented on DateField?
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[GitHub] [royale-asjs] pashminakazi commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
pashminakazi commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-647636632
In Flex comboBase is implementing get value like :
```
public function get value():Object
{
if (_editable)
return text;
var item:Object = selectedItem;
if (item == null || typeof(item) != "object")
return item;
// Note: the explicit comparison with null is important, because otherwise when
// the data is zero, the label will be returned. See bug 183294 for an example.
return item.data != null ? item.data : item.label;
}
```
_editable is used in get value but get and set editable is not implemented in Royale,Here's the code for get and set editable in Flex
```
private var _editable:Boolean = false;
/**
* @private
*/
mx_internal var editableChanged:Boolean = true;
[Bindable("editableChanged")]
[Inspectable(category="General", defaultValue="false")]
public function get editable():Boolean
{
return _editable;
}
/**
* @private
*/
public function set editable(value:Boolean):void
{
_editable = value;
editableChanged = true;
invalidateProperties();
dispatchEvent(new Event("editableChanged"));
}
```
This is using invalidateProperties() which is UIComponent property and not implemented in UIComponent
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[GitHub] [royale-asjs] aharui commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
aharui commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-653385210
What does the simple test case look like? Maybe the `value` is getting read before the `selectedDate` is set. Or maybe your code is just setting the `text` property at startup and not the `selectedDate` property. The current mx:DateField emulation does not currently parse the `text` property.
Debug into the DateField and see what the various properties are.
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[GitHub] [royale-asjs] pashminakazi commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
pashminakazi commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-653152344
I override value getter and return selectedDate,now value is not null but value is now undefined for
var date1:String = cc_AthrzDate.value.toString();
var date2:String = cc_CanclDate.value.toString();
Please check this setup
Project Details are :
https://paste.apache.org/cpo8y
Test case is available on VDI.
Go to sales from Select in Menu
Go to Carriage/Freight -> Contractor from Setups in Menu
File : com/dbz/modules/INV/dbzCarriageContractorSetup.mxml
Click on New button by default there is some date selected for cc_AthrzDate and cc_CanclDate,these both are MaskedDateField
when i type code and name which is compulsory to enter and i click save button the exception thrown :
when i re-select the date and click save button then this exception go away
when i re-selectiing date and click save button,i setted breakpoint to check the value
So why the value for date is undefined for the first time although it is already selected by default.
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[GitHub] [royale-asjs] pashminakazi commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
pashminakazi commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-647625443
mx:DateField is extends ComboBase which has a property **value**
```
public function get value():Object
{
return null;
}
```
it is returning null value
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[GitHub] [royale-asjs] aharui commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
aharui commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-647629119
Try implementing the value property in DateField. You can check the Flex code to see what it returns. It probably returns selectedDate.
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[GitHub] [royale-asjs] aharui commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
aharui commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-647643270
I would not worry about ComboBase/ComboBox. I would see what DateField does or should do. If it does nothing, then is DateField's selectedItem going to return selectedDate? It might be simpler to just override the value getter in DateField and have it return selectedDate. The main goal of emulation is to return the right value and less to try to get all of old Flex SDK code to run.
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[GitHub] [royale-asjs] aharui commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
aharui commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-653154595
That's your custom code so you will have to debug it and determine the problem.
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[GitHub] [royale-asjs] pashminakazi commented on issue #871: Uncaught TypeError: Cannot read property 'toString' of null (HelloWorld.js:106)
Posted by GitBox <gi...@apache.org>.
pashminakazi commented on issue #871:
URL: https://github.com/apache/royale-asjs/issues/871#issuecomment-653159626
This problem is also occurred with simple mx:Datefield,can u please tell
me,which property is used for selecting Date by default in mx:DateField
because in simple test case when i click save button this exception thrown
that value is undefined for mx:Datefield
but in that case there is no date selected by default but in my application
date is already selected by default and i have to reselect it
which property should i use for mx:Datefield to select any date by default
so i can check this issue on mx:Datefield
On Thu, Jul 2, 2020 at 11:18 PM aharui <no...@github.com> wrote:
> That's your custom code so you will have to debug it and determine the
> problem.
>
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