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XUL:Specs:TransferData: Difference between revisions
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another possible api for drag/drop
(→Plan) |
(another possible api for drag/drop) |
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This interface was added in Mozilla 1.9. | This interface was added in Mozilla 1.9. | ||
= Other Possibilities = | |||
This is another possible set of interfaces. Here, the event has a dataTransferList property containing a set of nsIDOMDataTransfer objects. The 'dataTransfer' property of the event always returns the first one. | |||
<pre> | |||
interface nsIDOMDragEvent : nsIDOMMouseEvent | |||
{ | |||
readonly attribute nsIDOMDataTransfer dataTransfer; | |||
void initDragEvent(in DOMString typeArg, | |||
in boolean canBubbleArg, | |||
in boolean cancelableArg); | |||
void initDragEventNS(in DOMString namespaceURIArg, | |||
in DOMString typeArg, | |||
in boolean canBubbleArg, | |||
in boolean cancelableArg); | |||
}; | |||
interface nsIDOMNSDragEvent : nsISupports | |||
{ | |||
readonly attribute nsIDOMDataTransferList dataTransferList; | |||
} | |||
interface nsIDOMDataTransferList : nsISupports | |||
{ | |||
readonly attribute unsigned long length; | |||
nsIDOMDataTransfer item(in unsigned long length); | |||
nsIDOMDataTransfer appendDataTransfer(); | |||
nsIDOMDataTransfer insertDataTransfer(in unsigned long index); | |||
nsIDOMDataTransfer removeDataTransfer(in unsigned long index); | |||
nsIVariant getAny(in unsigned long index); | |||
// these could go in the event | |||
attribute unsigned long flags; | |||
attribute nsIScriptableRegion dragRegion; | |||
readonly attribute nsITransferable transferable; | |||
[noscript] nsIDOMNSDataTransfer clone(in PRUint32 aEventType); | |||
[noscript] void allowAnyAccess(); | |||
} | |||
interface nsIDOMDataTransfer : nsISupports | |||
{ | |||
attribute DOMString dropEffect; | |||
attribute DOMString effectAllowed; | |||
void clearData(in DOMString format); | |||
void setData(in DOMString format, in DOMString data); | |||
DOMString getData(in DOMString format); | |||
void setDragImage(in nsIDOMElement image, in long x, in long y); | |||
void addElement(in nsIDOMElement element); | |||
} | |||
interface nsIDOMNSDataTransfer : nsISupports | |||
{ | |||
boolean hasFormat(in AString format); | |||
nsIVariant getObject(in AString format); | |||
nsIVariant getObjectInSet(in AString formats, out AString foundFormat); | |||
void setObject(in AString format, in nsIVariant data); | |||
readonly attribute nsIDOMDOMStringList formats; | |||
} | |||
</pre> | |||