[FLEX-26313] Ctrl-V paste circumvents safeguards and allows pasting non-text into text field causing error

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Adobe Flex SDK 4.0 (Release)
• Component/s: mx: TextInput
• Environment: Affected OS(s): Windows; Affected OS(s): Windows XP; Browser: Firefox 3.x; Language Found: English
• Assignee: Unassigned
• Reporter: Adobe JIRA
• Created: 22/Dec/10 10:02
• Updated: 22/Dec/10 10:03

Description

Steps to reproduce:
1. Create an MXFTETextInput (which uses RichEditableText)
2. Copy a file to the system clipboard
3. Ctrl-V paste the file in a text field

Actual Results:
In Linux, it pastes the file path
In Windows,

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at spark.components::RichEditableText/handlePasteOperation()
at spark.components::RichEditableText/textContainerManager_flowOperationEndHandler()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.container::TextContainerManager/dispatchEvent()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.elements::TextFlow/dispatchEvent()
at flashx.textLayout.edit::EditManager/doInternal()
at flashx.textLayout.edit::EditManager/doOperation()
at flashx.textLayout.edit::EditManager/pasteTextScrap()
at flashx.textLayout.edit::EditManager/editHandler()
at flashx.textLayout.container::ContainerController/editHandler()
at flashx.textLayout.container::TextContainerManager/editHandler()

Expected Results:
Paste file path or nothing

Workaround (if any):