com.hipipal.texteditor.undo
Class TextChangeDelete

java.lang.Object
  com.hipipal.texteditor.undo.TextChangeDelete

All Implemented Interfaces:

Constants, TextChange

public class TextChangeDelete
extends java.lang.Object
implements TextChange

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

Constructor Summary

TextChangeDelete(java.lang.CharSequence seq, int start)

Method Summary

void	append(java.lang.CharSequence seq) Method is deprecated, you should use the canMergeXXX methods instead
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() Method is deprecated, you should use the canMergeXXX methods instead
java.lang.String	toString()
int	undo(android.text.Editable s) Undo this change

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TextChangeDelete

public TextChangeDelete(java.lang.CharSequence seq,
                        int start)

Parameters:

seq - the sequence being deleted

start - the start index

Method Detail

undo

public int undo(android.text.Editable s)

Description copied from interface: TextChange

Undo this change

Specified by:

undo in interface TextChange

Parameters:

s - the editable object on which the undo is done

Returns:

the caret position after the undo

See Also:

TextChange.undo(android.text.Editable)

getCaret

public int getCaret()

Description copied from interface: TextChange

Method is deprecated, you should use the canMergeXXX methods instead

Specified by:

getCaret in interface TextChange

Returns:

the caret position after this change

See Also:

TextChange.getCaret()

append

public void append(java.lang.CharSequence seq)

Description copied from interface: TextChange

Method is deprecated, you should use the canMergeXXX methods instead

Specified by:

append in interface TextChange

Parameters:

seq - the sequence being appended to this TextChange

See Also:

TextChange.append(java.lang.CharSequence)

canMergeChangeBefore

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

Description copied from interface: TextChange

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

Specified by:

canMergeChangeBefore in interface 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

See Also:

TextChange.canMergeChangeAfter(java.lang.CharSequence, int, int, int)

canMergeChangeAfter

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

Description copied from interface: TextChange

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

Specified by:

canMergeChangeAfter in interface 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

See Also:

TextChange.canMergeChangeBefore(java.lang.CharSequence, int, int, int)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()