com.hipipal.texteditor.undo
Interface TextChange

All Superinterfaces:

Constants

All Known Implementing Classes:

TextChangeDelete, TextChangeInsert

public interface TextChange
extends Constants

Field Summary

Fields inherited from interface com.hipipal.texteditor.common.Constants

ACTION_WIDGET_OPEN, BACKUP_FILE_NAME, COLOR_CLASSIC, COLOR_DRACULA, COLOR_MATRIX, COLOR_NEGATIVE, COLOR_SKY, ENC_ASCII, ENC_LATIN, ENC_UTF8, EOL_LINUX, EOL_MAC, EOL_WINDOWS, EXTRA_FORCE_READ_ONLY, EXTRA_REQUEST_CODE, FONT_FILE_NAME, FONT_FOLDER_NAME, MENU_ID_ABOUT, MENU_ID_NEW, MENU_ID_OPEN, MENU_ID_OPEN_RECENT, MENU_ID_QUIT, MENU_ID_REDO, MENU_ID_SAVE, MENU_ID_SAVE_AS, MENU_ID_SEARCH, MENU_ID_SETTINGS, MENU_ID_UNDO, PREFERENCE_ALLOW_UNDO, PREFERENCE_AUTO_SAVE, PREFERENCE_AUTO_SAVE_OVERWRITE, PREFERENCE_BACK_BUTTON_AS_UNDO, PREFERENCE_COLOR_THEME, PREFERENCE_ENCODING, PREFERENCE_END_OF_LINES, PREFERENCE_FLING_TO_SCROLL, PREFERENCE_FONT, PREFERENCE_HIGHLIGHT, PREFERENCE_HOME_PAGE_PATH, PREFERENCE_MAX_RECENTS, PREFERENCE_MAX_UNDO_STACK, PREFERENCE_RECENTS, PREFERENCE_SEARCH_MATCH_CASE, PREFERENCE_SEARCHWRAP, PREFERENCE_SELECT_FONT, PREFERENCE_SHOW_LINE_NUMBERS, PREFERENCE_TEXT_SIZE, PREFERENCE_USE_HOME_PAGE, PREFERENCE_WORDWRAP, PREFERENCES_NAME, REQUEST_FONT, REQUEST_HOME_PAGE, REQUEST_OPEN, REQUEST_RECENT, REQUEST_SAVE_AS, RESULT_ERROR, STORAGE, STORAGE_PATH, TAG, TEXT_SIZE_MAX, TEXT_SIZE_MIN

Method Summary

void	append(java.lang.CharSequence sequence) Deprecated.
boolean	canMergeChangeAfter(java.lang.CharSequence s, int start, int before, int count) A change to the text s has been made, where the count characters starting at start have replaced the substring of length before If possible, this change is merged in this TextChange
boolean	canMergeChangeBefore(java.lang.CharSequence s, int start, int count, int after) A change to the text s will be made, where the count characters starting at start will be replaced by after characters If possible, this change is merged in this TextChange
int	getCaret() Deprecated.
int	undo(android.text.Editable text) Undo this change

Method Detail

undo

int undo(android.text.Editable text)

Undo this change

Parameters:

text - the editable object on which the undo is done

Returns:

the caret position after the undo

getCaret

@Deprecated
int getCaret()

Deprecated.

Method is deprecated, you should use the canMergeXXX methods instead

Returns:

the caret position after this change

append

@Deprecated
void append(java.lang.CharSequence sequence)

Deprecated.

Method is deprecated, you should use the canMergeXXX methods instead

Parameters:

sequence - the sequence being appended to this TextChange

canMergeChangeBefore

boolean canMergeChangeBefore(java.lang.CharSequence s,
                             int start,
                             int count,
                             int after)

A change to the text s will be made, where the count characters starting at start will be replaced by after characters If possible, this change is merged in this TextChange

Parameters:

s - the sequence being changed

start - the start index

count - the number of characters that will change

after - the number of characters that will replace the old ones

Returns:

if the change can be merged with this TextChange

canMergeChangeAfter

boolean canMergeChangeAfter(java.lang.CharSequence s,
                            int start,
                            int before,
                            int count)

A change to the text s has been made, where the count characters starting at start have replaced the substring of length before If possible, this change is merged in this TextChange

Parameters:

s - the sequence being changed

start - the start index

before - the number of character that were replaced

count - the number of characters that will change

Returns:

if the change can be merged with this TextChange