/// <summary>
/// Clear all the input state (autotext, autocap, multitap, undo)
/// from the specified Editable, going beyond Editable.clear(), which
/// just clears the text but not the input state.
/// </summary>
/// <remarks>
/// Clear all the input state (autotext, autocap, multitap, undo)
/// from the specified Editable, going beyond Editable.clear(), which
/// just clears the text but not the input state.
/// </remarks>
/// <param name="e">the buffer whose text and state are to be cleared.</param>
public static void clear(android.text.Editable e)
{
e.clear();
e.removeSpan(ACTIVE);
e.removeSpan(CAPPED);
e.removeSpan(INHIBIT_REPLACEMENT);
e.removeSpan(LAST_TYPED);
android.text.method.QwertyKeyListener.Replaced[] repl = e.getSpans <android.text.method.QwertyKeyListener
.Replaced>(0, e.Length);
int count = repl.Length;
{
for (int i = 0; i < count; i++)
{
e.removeSpan(repl[i]);
}
}
}
private void createMisspelledSuggestionSpan(android.text.Editable editable, android.view.textservice.SuggestionsInfo
suggestionsInfo, android.text.style.SpellCheckSpan spellCheckSpan)
{
int start = editable.getSpanStart(spellCheckSpan);
int end = editable.getSpanEnd(spellCheckSpan);
// Other suggestion spans may exist on that region, with identical suggestions, filter
// them out to avoid duplicates. First, filter suggestion spans on that exact region.
android.text.style.SuggestionSpan[] suggestionSpans = editable.getSpans <android.text.style.SuggestionSpan
>(start, end);
int length = suggestionSpans.Length;
{
for (int i = 0; i < length; i++)
{
int spanStart = editable.getSpanStart(suggestionSpans[i]);
int spanEnd = editable.getSpanEnd(suggestionSpans[i]);
if (spanStart != start || spanEnd != end)
{
suggestionSpans[i] = null;
break;
}
}
}
int suggestionsCount = suggestionsInfo.getSuggestionsCount();
string[] suggestions;
if (suggestionsCount <= 0)
{
// A negative suggestion count is possible
suggestions = new string[0];
}
else
{
int numberOfSuggestions = 0;
suggestions = new string[suggestionsCount];
{
for (int i_1 = 0; i_1 < suggestionsCount; i_1++)
{
string spellSuggestion = suggestionsInfo.getSuggestionAt(i_1);
if (spellSuggestion == null)
{
break;
}
bool suggestionFound = false;
{
for (int j = 0; j < length && !suggestionFound; j++)
{
if (suggestionSpans[j] == null)
{
break;
}
string[] suggests = suggestionSpans[j].getSuggestions();
{
for (int k = 0; k < suggests.Length; k++)
{
if (spellSuggestion.Equals(suggests[k]))
{
// The suggestion is already provided by an other SuggestionSpan
suggestionFound = true;
break;
}
}
}
}
}
if (!suggestionFound)
{
suggestions[numberOfSuggestions++] = spellSuggestion;
}
}
}
if (numberOfSuggestions != suggestionsCount)
{
string[] newSuggestions = new string[numberOfSuggestions];
System.Array.Copy(suggestions, 0, newSuggestions, 0, numberOfSuggestions);
suggestions = newSuggestions;
}
}
android.text.style.SuggestionSpan suggestionSpan = new android.text.style.SuggestionSpan
(mTextView.getContext(), suggestions, android.text.style.SuggestionSpan.FLAG_EASY_CORRECT
| android.text.style.SuggestionSpan.FLAG_MISSPELLED);
editable.setSpan(suggestionSpan, start, end, android.text.SpannedClass.SPAN_EXCLUSIVE_EXCLUSIVE
);
// TODO limit to the word rectangle region
mTextView.invalidate();
}
public virtual void parse()
{
android.text.Editable editable = (android.text.Editable) this._enclosing.mTextView
.getText();
// Iterate over the newly added text and schedule new SpellCheckSpans
int start = editable.getSpanStart(this.mRange);
int end = editable.getSpanEnd(this.mRange);
this.mWordIterator.setCharSequence(editable, start, end);
// Move back to the beginning of the current word, if any
int wordStart = this.mWordIterator.preceding(start);
int wordEnd;
if (wordStart == java.text.BreakIterator.DONE)
{
wordEnd = this.mWordIterator.following(start);
if (wordEnd != java.text.BreakIterator.DONE)
{
wordStart = this.mWordIterator.getBeginning(wordEnd);
}
}
else
{
wordEnd = this.mWordIterator.getEnd(wordStart);
}
if (wordEnd == java.text.BreakIterator.DONE)
{
editable.removeSpan(this.mRange);
return;
}
// We need to expand by one character because we want to include the spans that
// end/start at position start/end respectively.
android.text.style.SpellCheckSpan[] spellCheckSpans = editable.getSpans <android.text.style.SpellCheckSpan
>(start - 1, end + 1);
android.text.style.SuggestionSpan[] suggestionSpans = editable.getSpans <android.text.style.SuggestionSpan
>(start - 1, end + 1);
int nbWordsChecked = 0;
bool scheduleOtherSpellCheck = false;
while (wordStart <= end)
{
if (wordEnd >= start && wordEnd > wordStart)
{
// A new word has been created across the interval boundaries with this edit.
// Previous spans (ended on start / started on end) removed, not valid anymore
if (wordStart < start && wordEnd > start)
{
this.removeSpansAt(editable, start, spellCheckSpans);
this.removeSpansAt(editable, start, suggestionSpans);
}
if (wordStart < end && wordEnd > end)
{
this.removeSpansAt(editable, end, spellCheckSpans);
this.removeSpansAt(editable, end, suggestionSpans);
}
// Do not create new boundary spans if they already exist
bool createSpellCheckSpan = true;
if (wordEnd == start)
{
{
for (int i = 0; i < spellCheckSpans.Length; i++)
{
int spanEnd = editable.getSpanEnd(spellCheckSpans[i]);
if (spanEnd == start)
{
createSpellCheckSpan = false;
break;
}
}
}
}
if (wordStart == end)
{
{
for (int i = 0; i < spellCheckSpans.Length; i++)
{
int spanStart = editable.getSpanStart(spellCheckSpans[i]);
if (spanStart == end)
{
createSpellCheckSpan = false;
break;
}
}
}
}
if (createSpellCheckSpan)
{
if (nbWordsChecked == android.widget.SpellChecker.MAX_SPELL_BATCH_SIZE)
{
scheduleOtherSpellCheck = true;
break;
}
this._enclosing.addSpellCheckSpan(editable, wordStart, wordEnd);
nbWordsChecked++;
}
}
// iterate word by word
wordEnd = this.mWordIterator.following(wordEnd);
if (wordEnd == java.text.BreakIterator.DONE)
{
break;
}
wordStart = this.mWordIterator.getBeginning(wordEnd);
if (wordStart == java.text.BreakIterator.DONE)
{
break;
}
}
if (scheduleOtherSpellCheck)
{
editable.setSpan(this.mRange, wordStart, end, android.text.SpannedClass.SPAN_EXCLUSIVE_EXCLUSIVE
);
}
else
{
editable.removeSpan(this.mRange);
}
this._enclosing.spellCheck();
}
public override bool onKeyDown(android.view.View view, android.text.Editable content
, int keyCode, android.view.KeyEvent @event)
{
int selStart;
int selEnd;
int pref = 0;
if (view != null)
{
pref = android.text.method.TextKeyListener.getInstance().getPrefs(view.getContext
());
}
{
int a = android.text.Selection.getSelectionStart(content);
int b = android.text.Selection.getSelectionEnd(content);
selStart = System.Math.Min(a, b);
selEnd = System.Math.Max(a, b);
if (selStart < 0 || selEnd < 0)
{
selStart = selEnd = 0;
android.text.Selection.setSelection(content, 0, 0);
}
}
int activeStart = content.getSpanStart(android.text.method.TextKeyListener.ACTIVE
);
int activeEnd = content.getSpanEnd(android.text.method.TextKeyListener.ACTIVE);
// QWERTY keyboard normal case
int i = @event.getUnicodeChar(@event.getMetaState() | getMetaState(content));
if (!mFullKeyboard)
{
int count = @event.getRepeatCount();
if (count > 0 && selStart == selEnd && selStart > 0)
{
char c = content[selStart - 1];
if (c == i || c == Sharpen.CharHelper.ToUpper(i) && view != null)
{
if (showCharacterPicker(view, content, c, false, count))
{
resetMetaState(content);
return(true);
}
}
}
}
if (i == android.view.KeyCharacterMap.PICKER_DIALOG_INPUT)
{
if (view != null)
{
showCharacterPicker(view, content, android.view.KeyCharacterMap.PICKER_DIALOG_INPUT
, true, 1);
}
resetMetaState(content);
return(true);
}
if (i == android.view.KeyCharacterMap.HEX_INPUT)
{
int start;
if (selStart == selEnd)
{
start = selEnd;
while (start > 0 && selEnd - start < 4 && Sharpen.CharHelper.Digit(content[start
- 1], 16) >= 0)
{
start--;
}
}
else
{
start = selStart;
}
int ch = -1;
try
{
string hex = android.text.TextUtils.substring(content, start, selEnd);
ch = System.Convert.ToInt32(hex, 16);
}
catch (System.ArgumentException)
{
}
if (ch >= 0)
{
selStart = start;
android.text.Selection.setSelection(content, selStart, selEnd);
i = ch;
}
else
{
i = 0;
}
}
if (i != 0)
{
bool dead = false;
if ((i & android.view.KeyCharacterMap.COMBINING_ACCENT) != 0)
{
dead = true;
i = i & android.view.KeyCharacterMap.COMBINING_ACCENT_MASK;
}
if (activeStart == selStart && activeEnd == selEnd)
{
bool replace = false;
if (selEnd - selStart - 1 == 0)
{
char accent = content[selStart];
int composed = android.view.KeyEvent.getDeadChar(accent, i);
if (composed != 0)
{
i = composed;
replace = true;
}
}
if (!replace)
{
android.text.Selection.setSelection(content, selEnd);
content.removeSpan(android.text.method.TextKeyListener.ACTIVE);
selStart = selEnd;
}
}
if ((pref & android.text.method.TextKeyListener.AUTO_CAP) != 0 && Sharpen.CharHelper.IsLower
(i) && android.text.method.TextKeyListener.shouldCap(mAutoCap, content, selStart
))
{
int where = content.getSpanEnd(android.text.method.TextKeyListener.CAPPED);
int flags = content.getSpanFlags(android.text.method.TextKeyListener.CAPPED);
if (where == selStart && (((flags >> 16) & unchecked ((int)(0xFFFF))) == i))
{
content.removeSpan(android.text.method.TextKeyListener.CAPPED);
}
else
{
flags = i << 16;
i = Sharpen.CharHelper.ToUpper(i);
if (selStart == 0)
{
content.setSpan(android.text.method.TextKeyListener.CAPPED, 0, 0, android.text.SpannedClass.SPAN_MARK_MARK
| flags);
}
else
{
content.setSpan(android.text.method.TextKeyListener.CAPPED, selStart - 1, selStart
, android.text.SpannedClass.SPAN_EXCLUSIVE_EXCLUSIVE | flags);
}
}
}
if (selStart != selEnd)
{
android.text.Selection.setSelection(content, selEnd);
}
content.setSpan(OLD_SEL_START, selStart, selStart, android.text.SpannedClass.SPAN_MARK_MARK
);
content.replace(selStart, selEnd, java.lang.CharSequenceProxy.Wrap(((char)i).ToString
()));
int oldStart = content.getSpanStart(OLD_SEL_START);
selEnd = android.text.Selection.getSelectionEnd(content);
if (oldStart < selEnd)
{
content.setSpan(android.text.method.TextKeyListener.LAST_TYPED, oldStart, selEnd,
android.text.SpannedClass.SPAN_EXCLUSIVE_EXCLUSIVE);
if (dead)
{
android.text.Selection.setSelection(content, oldStart, selEnd);
content.setSpan(android.text.method.TextKeyListener.ACTIVE, oldStart, selEnd, android.text.SpannedClass.SPAN_EXCLUSIVE_EXCLUSIVE
);
}
}
adjustMetaAfterKeypress(content);
// potentially do autotext replacement if the character
// that was typed was an autotext terminator
if ((pref & android.text.method.TextKeyListener.AUTO_TEXT) != 0 && mAutoText && (
i == ' ' || i == '\t' || i == '\n' || i == ',' || i == '.' || i == '!' || i == '?' ||
i == '"' || Sharpen.CharHelper.GetType(i) == Sharpen.CharHelper.END_PUNCTUATION
) && content.getSpanEnd(android.text.method.TextKeyListener.INHIBIT_REPLACEMENT)
!= oldStart)
{
int x;
for (x = oldStart; x > 0; x--)
{
char c = content[x - 1];
if (c != '\'' && !System.Char.IsLetter(c))
{
break;
}
}
string rep = getReplacement(content, x, oldStart, view);
if (rep != null)
{
android.text.method.QwertyKeyListener.Replaced[] repl = content.getSpans <android.text.method.QwertyKeyListener
.Replaced>(0, content.Length);
{
for (int a = 0; a < repl.Length; a++)
{
content.removeSpan(repl[a]);
}
}
char[] orig = new char[oldStart - x];
android.text.TextUtils.getChars(content, x, oldStart, orig, 0);
content.setSpan(new android.text.method.QwertyKeyListener.Replaced(orig), x, oldStart
, android.text.SpannedClass.SPAN_EXCLUSIVE_EXCLUSIVE);
content.replace(x, oldStart, java.lang.CharSequenceProxy.Wrap(rep));
}
}
// Replace two spaces by a period and a space.
if ((pref & android.text.method.TextKeyListener.AUTO_PERIOD) != 0 && mAutoText)
{
selEnd = android.text.Selection.getSelectionEnd(content);
if (selEnd - 3 >= 0)
{
if (content[selEnd - 1] == ' ' && content[selEnd - 2] == ' ')
{
char c = content[selEnd - 3];
{
for (int j = selEnd - 3; j > 0; j--)
{
if (c == '"' || Sharpen.CharHelper.GetType(c) == Sharpen.CharHelper.END_PUNCTUATION)
{
c = content[j - 1];
}
else
{
break;
}
}
}
if (System.Char.IsLetter(c) || System.Char.IsDigit(c))
{
content.replace(selEnd - 2, selEnd - 1, java.lang.CharSequenceProxy.Wrap("."));
}
}
}
}
return(true);
}
else
{
if (keyCode == android.view.KeyEvent.KEYCODE_DEL && (@event.hasNoModifiers() || @event
.hasModifiers(android.view.KeyEvent.META_ALT_ON)) && selStart == selEnd)
{
// special backspace case for undoing autotext
int consider = 1;
// if backspacing over the last typed character,
// it undoes the autotext prior to that character
// (unless the character typed was newline, in which
// case this behavior would be confusing)
if (content.getSpanEnd(android.text.method.TextKeyListener.LAST_TYPED) == selStart)
{
if (content[selStart - 1] != '\n')
{
consider = 2;
}
}
android.text.method.QwertyKeyListener.Replaced[] repl = content.getSpans <android.text.method.QwertyKeyListener
.Replaced>(selStart - consider, selStart);
if (repl.Length > 0)
{
int st = content.getSpanStart(repl[0]);
int en = content.getSpanEnd(repl[0]);
string old = new string(repl[0].mText);
content.removeSpan(repl[0]);
// only cancel the autocomplete if the cursor is at the end of
// the replaced span (or after it, because the user is
// backspacing over the space after the word, not the word
// itself).
if (selStart >= en)
{
content.setSpan(android.text.method.TextKeyListener.INHIBIT_REPLACEMENT, en, en,
android.text.SpannedClass.SPAN_POINT_POINT);
content.replace(st, en, java.lang.CharSequenceProxy.Wrap(old));
en = content.getSpanStart(android.text.method.TextKeyListener.INHIBIT_REPLACEMENT
);
if (en - 1 >= 0)
{
content.setSpan(android.text.method.TextKeyListener.INHIBIT_REPLACEMENT, en - 1,
en, android.text.SpannedClass.SPAN_EXCLUSIVE_EXCLUSIVE);
}
else
{
content.removeSpan(android.text.method.TextKeyListener.INHIBIT_REPLACEMENT);
}
adjustMetaAfterKeypress(content);
}
else
{
adjustMetaAfterKeypress(content);
return(base.onKeyDown(view, content, keyCode, @event));
}
return(true);
}
}
}
return(base.onKeyDown(view, content, keyCode, @event));
}
