public interface IEditingSupport
Clients may ask an
IEditingSupport whether it is currently
displaying a shell that has focus, and whether it is the origin of a document
event. Depending on the answers to these queries, clients may decide to react
differently to incoming notifications about events. For example, a special
editing mode, that usually deactivates when the main shell looses focus, may
decide to not deactivate if the focus event was triggered by an
Clients may implement this interface.
|Modifier and Type||Method and Description|
boolean isOriginator(DocumentEvent event, IRegion subjectRegion)
trueif the receiver is the originator of a
DocumentEventand if that
eventis related to
The relationship between
subjectRegion is not always obvious. Often, the main
editing area being monitored by the caller will be at
subjectRegion, when the receiver modifies the underlying
document at a different location without wanting to interrupt the normal
typing flow of the user.
An example would be an editor that automatically increments the section number of the next section when the user typed in a new section title. In this example, the subject region is the current typing location, while the increment results in a document change further down in the text.
subjectRegion- the region that the caller is interested in
eventwas triggered by the receiver and relates to
trueif the receiver is showing a shell which has focus,
falseif it does not have focus or the helper has no shell.
trueif the support's shell has focus,
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