private void processImage(boolean opening, Editable output) {
Object[] spans = output.getSpans(0, output.length(), ImageSpan.class);
if (spans.length == 0) {
return;
}
ImageSpan imageSpan = (ImageSpan) spans[0];
String imageUrl = imageSpan.getSource();
// Handle image video thumbnail clicked
if (imageUrl.startsWith(BBCodeParser.VIDEO_URL_PREFIX)) {
VideoClickableSpan clickableSpan = mVideoClickableSpanProvider.get();
clickableSpan.setVideoUrl(imageUrl.substring(BBCodeParser.VIDEO_URL_PREFIX.length()));
output.setSpan(
clickableSpan,
output.getSpanStart(imageSpan),
output.length(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return;
}
// Not Image Video Thumbnail, This is normal image
if (TextUtils.isEmpty(imageUrl) || !RichTextUtils.isUrl(imageUrl)) {
return;
}
ImageClickableSpan clickableSpan = mImageClickableSpanProvider.get();
clickableSpan.setImageUrl(imageUrl);
output.setSpan(
clickableSpan,
output.getSpanStart(imageSpan),
output.length(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
Editable text = getText();
if (text == null) return;
clearSelections();
updateHint();
TokenImageSpan[] spans =
text.getSpans(start - before, start - before + count, TokenImageSpan.class);
for (TokenImageSpan token : spans) {
int position = start + count;
if (text.getSpanStart(token) < position && position <= text.getSpanEnd(token)) {
// We may have to manually reverse the auto-complete and remove the extra ,'s
int spanStart = text.getSpanStart(token);
int spanEnd = text.getSpanEnd(token);
removeToken(token, text);
// The end of the span is the character index after it
spanEnd--;
if (spanEnd >= 0 && text.charAt(spanEnd) == ',') {
text.delete(spanEnd, spanEnd + 1);
}
if (spanStart >= 0 && text.charAt(spanStart) == ',') {
text.delete(spanStart, spanStart + 1);
}
}
}
}
private void updateHint() {
Editable text = getText();
CharSequence hintText = getHint();
if (text == null || hintText == null) {
return;
}
// Show hint if we need to
if (prefix.length() > 0) {
HintSpan[] hints = text.getSpans(0, text.length(), HintSpan.class);
HintSpan hint = null;
int testLength = prefix.length();
if (hints.length > 0) {
hint = hints[0];
testLength += text.getSpanEnd(hint) - text.getSpanStart(hint);
}
if (text.length() == testLength) {
hintVisible = true;
if (hint != null) {
return; // hint already visible
}
// We need to display the hint manually
Typeface tf = getTypeface();
int style = Typeface.NORMAL;
if (tf != null) {
style = tf.getStyle();
}
ColorStateList colors = getHintTextColors();
HintSpan hintSpan = new HintSpan(null, style, (int) getTextSize(), colors, colors);
text.insert(prefix.length(), hintText);
text.setSpan(
hintSpan,
prefix.length(),
prefix.length() + getHint().length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
setSelection(prefix.length());
} else {
if (hint == null) {
return; // hint already removed
}
// Remove the hint. There should only ever be one
int sStart = text.getSpanStart(hint);
int sEnd = text.getSpanEnd(hint);
text.removeSpan(hint);
text.replace(sStart, sEnd, "");
hintVisible = false;
}
}
}
private static void endSpan(Class<?> type, Editable output) {
int length = output.length();
Object span = getLast(output, type);
int start = output.getSpanStart(span);
output.removeSpan(span);
if (start != length) output.setSpan(span, start, length, SPAN_EXCLUSIVE_EXCLUSIVE);
}
public void handleTag(
final boolean opening,
final String tag,
final Editable output,
final XMLReader xmlReader) {
if (TAG_DEL.equalsIgnoreCase(tag)) {
if (opening) startSpan(new StrikethroughSpan(), output);
else endSpan(StrikethroughSpan.class, output);
return;
}
if (TAG_UL.equalsIgnoreCase(tag) || TAG_OL.equalsIgnoreCase(tag)) {
if (opening) {
listElements.add(new ListSeparator(TAG_OL.equalsIgnoreCase(tag)));
} else if (!listElements.isEmpty()) {
listElements.removeLast();
}
if (!opening && listElements.isEmpty()) output.append('\n');
return;
}
if (TAG_LI.equalsIgnoreCase(tag) && opening && !listElements.isEmpty()) {
listElements.getLast().append(output, listElements.size());
return;
}
if (TAG_CODE.equalsIgnoreCase(tag)) {
if (opening) startSpan(new TypefaceSpan("monospace"), output);
else endSpan(TypefaceSpan.class, output);
}
if (TAG_PRE.equalsIgnoreCase(tag)) {
output.append('\n');
if (opening) startSpan(new TypefaceSpan("monospace"), output);
else endSpan(TypefaceSpan.class, output);
}
if ((TAG_ROOT.equalsIgnoreCase(tag) || TAG_HTML.equalsIgnoreCase(tag)) && !opening) {
// Remove leading newlines
while (output.length() > 0 && output.charAt(0) == '\n') output.delete(0, 1);
// Remove trailing newlines
int last = output.length() - 1;
while (last >= 0 && output.charAt(last) == '\n') {
output.delete(last, last + 1);
last = output.length() - 1;
}
QuoteSpan[] quoteSpans = output.getSpans(0, output.length(), QuoteSpan.class);
for (QuoteSpan span : quoteSpans) {
int start = output.getSpanStart(span);
int end = output.getSpanEnd(span);
output.removeSpan(span);
output.setSpan(new ReplySpan(), start, end, SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
}
@Override
public void afterTextChanged(Editable s) {
TokenImageSpan[] spans = s.getSpans(0, s.length(), TokenImageSpan.class);
for (TokenImageSpan token : currentTokens) {
if (!Arrays.asList(spans).contains(token)) {
spanWatcher.onSpanRemoved(s, token, s.getSpanStart(token), s.getSpanEnd(token));
}
}
}
private void removeSpan(TokenImageSpan span) {
Editable text = getText();
if (text == null) return;
// If the spanwatcher has been removed, we need to also manually trigger onSpanRemoved
TokenSpanWatcher[] spans = text.getSpans(0, text.length(), TokenSpanWatcher.class);
if (spans.length == 0) {
spanWatcher.onSpanRemoved(text, span, text.getSpanStart(span), text.getSpanEnd(span));
} else if (Build.VERSION.SDK_INT < 14) {
// HACK: Need to manually trigger on Span removed if there is only 1 object
// not sure if there's a cleaner way
if (objects.size() == 1) {
spanWatcher.onSpanRemoved(text, span, text.getSpanStart(span), text.getSpanEnd(span));
}
}
// Add 1 to the end because we put a " " at the end of the spans when adding them
text.delete(text.getSpanStart(span), text.getSpanEnd(span) + 1);
}
private void renewColor() {
if (DBG) {
Log.d(LOG_TAG, "--- renewColor:");
}
if (mView instanceof View) {
ImageSpan parent = getParentSpan();
Editable text = ((EditStyledText) mView).getText();
int start = text.getSpanStart(parent);
ForegroundColorSpan[] spans = text.getSpans(start, start, ForegroundColorSpan.class);
if (spans.length > 0) {
renewColor(spans[spans.length - 1].getForegroundColor());
}
}
}
/**
* Adds {@link StrikethroughSpan} to {@literal <strike>} tag.
*
* <p>See android.text.HtmlToSpannedConverter#handleStartTag(java.lang.String,
* org.xml.sax.Attributes) See android.text.HtmlToSpannedConverter#handleEndTag(java.lang.String)
*/
private void handleStrike(boolean opening, Editable output) {
int len = output.length();
if (opening) {
output.setSpan(new Strike(), len, len, Spannable.SPAN_MARK_MARK);
} else {
Strike strike = getLastSpan(output, Strike.class);
int where = output.getSpanStart(strike);
output.removeSpan(strike);
if (where != len) {
output.setSpan(new StrikethroughSpan(), where, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
}
public void onClearStyles() {
if (DBG) {
Log.d(LOG_TAG, "--- onClearStyles");
}
Editable txt = mEST.getText();
int len = txt.length();
Object[] styles = txt.getSpans(0, len, Object.class);
for (Object style : styles) {
if (style instanceof ParagraphStyle
|| style instanceof QuoteSpan
|| style instanceof CharacterStyle) {
if (style instanceof ImageSpan) {
int start = txt.getSpanStart(style);
int end = txt.getSpanEnd(style);
txt.replace(start, end, "");
}
txt.removeSpan(style);
}
}
mEST.setBackgroundDrawable(mEST.mDefaultBackground);
mEST.mBackgroundColor = DEFAULT_BACKGROUND_COLOR;
}
private void process(boolean opening, Editable output, CharacterStyle... spanStyles) {
int len = output.length();
if (opening) {
for (CharacterStyle style : spanStyles) {
output.setSpan(style, len, len, Spannable.SPAN_MARK_MARK);
}
} else {
for (CharacterStyle style : spanStyles) {
Object obj = getLast(output, style.getClass());
int where = output.getSpanStart(obj);
output.removeSpan(obj);
if (where != len) {
if (style instanceof VideoClickableSpan) {
// Need to set the video url to this span.
String url = output.subSequence(where, len).toString();
((VideoClickableSpan) style).setVideoUrl(url);
}
output.setSpan(style, where, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
}
}
@Override
protected void onSelectionChanged(int selStart, int selEnd) {
if (hintVisible) {
// Don't let users select the hint
selStart = 0;
}
// Never let users select text
selEnd = selStart;
if (tokenClickStyle != null && tokenClickStyle.isSelectable()) {
Editable text = getText();
if (text != null) {
clearSelections();
}
}
if (prefix != null && (selStart < prefix.length() || selEnd < prefix.length())) {
// Don't let users select the prefix
setSelection(prefix.length());
} else {
Editable text = getText();
if (text != null) {
// Make sure if we are in a span, we select the spot 1 space after the span end
TokenImageSpan[] spans = text.getSpans(selStart, selEnd, TokenImageSpan.class);
for (TokenImageSpan span : spans) {
int spanEnd = text.getSpanEnd(span);
if (selStart <= spanEnd && text.getSpanStart(span) < selStart) {
setSelection(spanEnd + 1);
return;
}
}
}
super.onSelectionChanged(selStart, selEnd);
}
}
@Override
public void afterTextChanged(Editable editable) {
modified = true; // should be unaffected by textWatcherEnabled
if (!textWatcherEnabled) return;
// Add style as the user types if a toggle button is enabled
int position = Selection.getSelectionStart(DroidWriterEditText.this.getText());
if (position < 0) {
position = 0;
}
if (position > 0) {
CharacterStyle[] appliedStyles =
editable.getSpans(position - 1, position, CharacterStyle.class);
StyleSpan currentBoldSpan = null;
StyleSpan currentItalicSpan = null;
UnderlineSpan currentUnderlineSpan = null;
// Look for possible styles already applied to the entered text
for (int i = 0; i < appliedStyles.length; i++) {
if (appliedStyles[i] instanceof StyleSpan) {
if (((StyleSpan) appliedStyles[i]).getStyle() == android.graphics.Typeface.BOLD) {
// Bold style found
currentBoldSpan = (StyleSpan) appliedStyles[i];
} else if (((StyleSpan) appliedStyles[i]).getStyle()
== android.graphics.Typeface.ITALIC) {
// Italic style found
currentItalicSpan = (StyleSpan) appliedStyles[i];
}
} else if (appliedStyles[i] instanceof UnderlineSpan) {
// Underlined style found
currentUnderlineSpan = (UnderlineSpan) appliedStyles[i];
}
}
// Handle the bold style toggle button if it's present
if (boldToggle != null) {
if (boldToggle.isChecked() && currentBoldSpan == null) {
// The user switched the bold style button on and the
// character doesn't have any bold
// style applied, so we start a new bold style span. The
// span is inclusive,
// so any new characters entered right after this one
// will automatically get this style.
editable.setSpan(
new StyleSpan(android.graphics.Typeface.BOLD),
position - 1,
position,
Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
} else if (!boldToggle.isChecked() && currentBoldSpan != null) {
// The user switched the bold style button off and the
// character has bold style applied.
// We need to remove the old bold style span, and define
// a new one that end 1 position right
// before the newly entered character.
int boldStart = editable.getSpanStart(currentBoldSpan);
int boldEnd = editable.getSpanEnd(currentBoldSpan);
editable.removeSpan(currentBoldSpan);
if (boldStart <= (position - 1)) {
editable.setSpan(
new StyleSpan(android.graphics.Typeface.BOLD),
boldStart,
position - 1,
Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
}
// The old bold style span end after the current cursor
// position, so we need to define a
// second newly created style span too, which begins
// after the newly entered character and
// ends at the old span's ending position. So we split
// the span.
if (boldEnd > position) {
editable.setSpan(
new StyleSpan(android.graphics.Typeface.BOLD),
position,
boldEnd,
Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
}
}
}
// Handling italics and underlined styles is the same as
// handling bold styles.
// Handle the italics style toggle button if it's present
if (italicsToggle != null && italicsToggle.isChecked() && currentItalicSpan == null) {
editable.setSpan(
new StyleSpan(android.graphics.Typeface.ITALIC),
position - 1,
position,
Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
} else if (italicsToggle != null
&& !italicsToggle.isChecked()
&& currentItalicSpan != null) {
int italicStart = editable.getSpanStart(currentItalicSpan);
int italicEnd = editable.getSpanEnd(currentItalicSpan);
editable.removeSpan(currentItalicSpan);
if (italicStart <= (position - 1)) {
editable.setSpan(
new StyleSpan(android.graphics.Typeface.ITALIC),
italicStart,
position - 1,
Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
}
// Split the span
if (italicEnd > position) {
editable.setSpan(
new StyleSpan(android.graphics.Typeface.ITALIC),
position,
italicEnd,
Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
}
}
// Handle the underlined style toggle button if it's present
if (underlineToggle != null
&& underlineToggle.isChecked()
&& currentUnderlineSpan == null) {
editable.setSpan(
new UnderlineSpan(), position - 1, position, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
} else if (underlineToggle != null
&& !underlineToggle.isChecked()
&& currentUnderlineSpan != null) {
int underLineStart = editable.getSpanStart(currentUnderlineSpan);
int underLineEnd = editable.getSpanEnd(currentUnderlineSpan);
editable.removeSpan(currentUnderlineSpan);
if (underLineStart <= (position - 1)) {
editable.setSpan(
new UnderlineSpan(),
underLineStart,
position - 1,
Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
}
// We need to split the span
if (underLineEnd > position) {
editable.setSpan(
new UnderlineSpan(), position, underLineEnd, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
}
}
}
}
public boolean onKeyDown(View view, Editable content, int keyCode, KeyEvent event) {
int selStart, selEnd;
int pref = 0;
if (view != null) {
pref = TextKeyListener.getInstance().getPrefs(view.getContext());
}
{
int a = Selection.getSelectionStart(content);
int b = Selection.getSelectionEnd(content);
selStart = Math.min(a, b);
selEnd = Math.max(a, b);
}
int activeStart = content.getSpanStart(TextKeyListener.ACTIVE);
int activeEnd = content.getSpanEnd(TextKeyListener.ACTIVE);
// now for the multitap cases...
// Try to increment the character we were working on before
// if we have one and it's still the same key.
int rec =
(content.getSpanFlags(TextKeyListener.ACTIVE) & Spannable.SPAN_USER)
>>> Spannable.SPAN_USER_SHIFT;
if (activeStart == selStart
&& activeEnd == selEnd
&& selEnd - selStart == 1
&& rec >= 0
&& rec < sRecs.size()) {
if (keyCode == KeyEvent.KEYCODE_STAR) {
char current = content.charAt(selStart);
if (Character.isLowerCase(current)) {
content.replace(selStart, selEnd, String.valueOf(current).toUpperCase());
removeTimeouts(content);
new Timeout(content); // for its side effects
return true;
}
if (Character.isUpperCase(current)) {
content.replace(selStart, selEnd, String.valueOf(current).toLowerCase());
removeTimeouts(content);
new Timeout(content); // for its side effects
return true;
}
}
if (sRecs.indexOfKey(keyCode) == rec) {
String val = sRecs.valueAt(rec);
char ch = content.charAt(selStart);
int ix = val.indexOf(ch);
if (ix >= 0) {
ix = (ix + 1) % (val.length());
content.replace(selStart, selEnd, val, ix, ix + 1);
removeTimeouts(content);
new Timeout(content); // for its side effects
return true;
}
}
// Is this key one we know about at all? If so, acknowledge
// that the selection is our fault but the key has changed
// or the text no longer matches, so move the selection over
// so that it inserts instead of replaces.
rec = sRecs.indexOfKey(keyCode);
if (rec >= 0) {
Selection.setSelection(content, selEnd, selEnd);
selStart = selEnd;
}
} else {
rec = sRecs.indexOfKey(keyCode);
}
if (rec >= 0) {
// We have a valid key. Replace the selection or insertion point
// with the first character for that key, and remember what
// record it came from for next time.
String val = sRecs.valueAt(rec);
int off = 0;
if ((pref & TextKeyListener.AUTO_CAP) != 0
&& TextKeyListener.shouldCap(mCapitalize, content, selStart)) {
for (int i = 0; i < val.length(); i++) {
if (Character.isUpperCase(val.charAt(i))) {
off = i;
break;
}
}
}
if (selStart != selEnd) {
Selection.setSelection(content, selEnd);
}
content.setSpan(OLD_SEL_START, selStart, selStart, Spannable.SPAN_MARK_MARK);
content.replace(selStart, selEnd, val, off, off + 1);
int oldStart = content.getSpanStart(OLD_SEL_START);
selEnd = Selection.getSelectionEnd(content);
if (selEnd != oldStart) {
Selection.setSelection(content, oldStart, selEnd);
content.setSpan(
TextKeyListener.LAST_TYPED, oldStart, selEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
content.setSpan(
TextKeyListener.ACTIVE,
oldStart,
selEnd,
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE | (rec << Spannable.SPAN_USER_SHIFT));
}
removeTimeouts(content);
new Timeout(content); // for its side effects
// Set up the callback so we can remove the timeout if the
// cursor moves.
if (content.getSpanStart(this) < 0) {
KeyListener[] methods = content.getSpans(0, content.length(), KeyListener.class);
for (Object method : methods) {
content.removeSpan(method);
}
content.setSpan(this, 0, content.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
return true;
}
return super.onKeyDown(view, content, keyCode, event);
}
protected void handleFocus(boolean hasFocus) {
if (!hasFocus) {
setSingleLine(true);
Editable text = getText();
if (text != null && lastLayout != null) {
// Display +x thingy if appropriate
int lastPosition = lastLayout.getLineVisibleEnd(0);
TokenImageSpan[] tokens = text.getSpans(0, lastPosition, TokenImageSpan.class);
int count = objects.size() - tokens.length;
if (count > 0) {
lastPosition++;
CountSpan cs =
new CountSpan(
count,
getContext(),
getCurrentTextColor(),
(int) getTextSize(),
(int) maxTextWidth());
text.insert(lastPosition, cs.text);
float newWidth =
Layout.getDesiredWidth(
text, 0, lastPosition + cs.text.length(), lastLayout.getPaint());
// If the +x span will be moved off screen, move it one token in
if (newWidth > maxTextWidth()) {
text.delete(lastPosition, lastPosition + cs.text.length());
if (tokens.length > 0) {
TokenImageSpan token = tokens[tokens.length - 1];
lastPosition = text.getSpanStart(token);
cs.setCount(count + 1);
} else {
lastPosition = prefix.length();
}
text.insert(lastPosition, cs.text);
}
text.setSpan(
cs, lastPosition, lastPosition + cs.text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
} else {
setSingleLine(false);
Editable text = getText();
if (text != null) {
CountSpan[] counts = text.getSpans(0, text.length(), CountSpan.class);
for (CountSpan count : counts) {
text.delete(text.getSpanStart(count), text.getSpanEnd(count));
text.removeSpan(count);
}
if (hintVisible) {
setSelection(prefix.length());
} else {
setSelection(text.length());
}
TokenSpanWatcher[] watchers =
getText().getSpans(0, getText().length(), TokenSpanWatcher.class);
if (watchers.length == 0) {
// Someone removes watchers? I'm pretty sure this isn't in this code... -mgod
text.setSpan(spanWatcher, 0, text.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
}
}
}
}
