javax.swing.event.DocumentEvent
Interface for document change notifications. This provides detailed information to Document observers about how the Document changed. It provides high level information such as type of change and where it occurred, as well as the more detailed structural changes (What Elements were inserted and removed).
Interface for document change notifications. This provides detailed information to Document observers about how the Document changed. It provides high level information such as type of change and where it occurred, as well as the more detailed structural changes (What Elements were inserted and removed).
get-changeclj
(get-change this elem)Gets the change information for the given element. The change information describes what elements were added and removed and the location. If there were no changes, null is returned.
This method is for observers to discover the structural changes that were made. This means that only elements that existed prior to the mutation (and still exist after the mutation) need to have ElementChange records. The changes made available need not be recursive.
For example, if the an element is removed from it's parent, this method should report that the parent changed and provide an ElementChange implementation that describes the change to the parent. If the child element removed had children, these elements do not need to be reported as removed.
If an child element is insert into a parent element, the parent element should report a change. If the child element also had elements inserted into it (grandchildren to the parent) these elements need not report change.
elem - the element - javax.swing.text.Element
returns: the change information, or null if the
element was not modified - javax.swing.event.DocumentEvent$ElementChange
Gets the change information for the given element. The change information describes what elements were added and removed and the location. If there were no changes, null is returned. This method is for observers to discover the structural changes that were made. This means that only elements that existed prior to the mutation (and still exist after the mutation) need to have ElementChange records. The changes made available need not be recursive. For example, if the an element is removed from it's parent, this method should report that the parent changed and provide an ElementChange implementation that describes the change to the parent. If the child element removed had children, these elements do not need to be reported as removed. If an child element is insert into a parent element, the parent element should report a change. If the child element also had elements inserted into it (grandchildren to the parent) these elements need not report change. elem - the element - `javax.swing.text.Element` returns: the change information, or null if the element was not modified - `javax.swing.event.DocumentEvent$ElementChange`
get-documentclj
(get-document this)Gets the document that sourced the change event.
returns: the document - javax.swing.text.Document
Gets the document that sourced the change event. returns: the document - `javax.swing.text.Document`
get-lengthclj
(get-length this)Returns the length of the change.
returns: the length >= 0 - int
Returns the length of the change. returns: the length >= 0 - `int`
get-offsetclj
(get-offset this)Returns the offset within the document of the start of the change.
returns: the offset >= 0 - int
Returns the offset within the document of the start of the change. returns: the offset >= 0 - `int`
get-typeclj
(get-type this)Gets the type of event.
returns: the type - javax.swing.event.DocumentEvent$EventType
Gets the type of event. returns: the type - `javax.swing.event.DocumentEvent$EventType`
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