@Override
public CharSequence filter(
CharSequence src, int start, int end, Spanned dest, int dstart, int dend) {
int dindex = 0;
int count = 0;
int attempt = 0;
maxLen = maxlenChar;
while (dindex < src.length()) {
char c = src.charAt(dindex++);
count++;
if (c >= 128) {
maxLen = maxLenHanzi;
}
}
dindex = 0;
while (dindex < dest.length()) {
char c = dest.charAt(dindex++);
count++;
if (c >= 128) {
maxLen = maxLenHanzi;
}
}
attempt = count;
if (count > maxLen) {
// more words input than you want ,give up the redundant character
count = maxLen;
src = "";
}
if (mCallBack != null) {
mCallBack.lengthChange(count, attempt);
}
return src;
}
@Override
public CharSequence filter(
CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
CharSequence filtered = super.filter(source, start, end, dest, dstart, dend);
if (filtered == null) {
filtered = source.subSequence(start, end);
}
String result =
String.valueOf(dest.subSequence(0, dstart))
+ filtered
+ dest.subSequence(dend, dest.length());
if ("".equals(result)) {
return result;
}
int val = getSelectedPos(result);
/* Ensure the user can't type in a value greater
* than the max allowed. We have to allow less than min
* as the user might want to delete some numbers
* and then type a new number.
*/
if (val > mEnd) {
return "";
} else {
return filtered;
}
}
static Action newReplaceText(CharSequence text, int start, int end) {
if (start < 0 || start > end) {
Log.e(LOGTAG, "invalid replace text offsets: " + start + " to " + end);
throw new IllegalArgumentException("invalid replace text offsets");
}
int actionType = TYPE_REPLACE_TEXT;
if (text instanceof Spanned) {
final Spanned spanned = (Spanned) text;
final Object[] spans = spanned.getSpans(0, spanned.length(), Object.class);
for (Object span : spans) {
if ((spanned.getSpanFlags(span) & Spanned.SPAN_COMPOSING) != 0) {
actionType = TYPE_COMPOSE_TEXT;
break;
}
}
}
final Action action = new Action(actionType);
action.mSequence = text;
action.mStart = start;
action.mEnd = end;
return action;
}
public void setEnableScrolling(boolean enableScrolling) {
if (this.strategy == null || this.strategy.isScrolling() != enableScrolling) {
int pos = -1;
boolean wasNull = true;
Spanned text = null;
if (this.strategy != null) {
pos = this.strategy.getPosition();
text = this.strategy.getText();
this.strategy.clearText();
wasNull = false;
}
if (enableScrolling) {
this.strategy = new ScrollingStrategy(this, this.getContext());
} else {
this.strategy = new FixedPagesStrategy(this, configuration);
}
if (!wasNull) {
this.strategy.setPosition(pos);
}
if (text != null && text.length() > 0) {
this.strategy.loadText(text);
}
}
}
public void store(View v) {
Spanned s = (Spanned) mTextView.getText();
BackgroundColorSpan[] spans = s.getSpans(0, s.length(), BackgroundColorSpan.class);
BufferedWriter bw = null;
try {
int len = spans.length;
bw = new BufferedWriter(new FileWriter(mFile));
bw.write(String.valueOf(len));
bw.newLine();
for (BackgroundColorSpan span : spans) {
int start = s.getSpanStart(span);
int end = s.getSpanEnd(span);
int color = span.getBackgroundColor();
bw.write("" + start + "," + end + "," + color);
bw.newLine();
}
bw.write(mText);
clear(v);
} catch (IOException e) {
Log.e(TAG, "IO error", e);
} finally {
closeQuietly(bw);
}
}
/** See android.text.HtmlToSpannedConverter#getLast(android.text.Spanned, java.lang.Class) */
private static <T> T getLastSpan(Spanned text, Class<T> kind) {
T[] spans = text.getSpans(0, text.length(), kind);
if (spans.length == 0) {
return null;
} else {
return spans[spans.length - 1];
}
}
private void updateTextView(View bookView, Integer id, String value) {
TextView textView = (TextView) bookView.findViewById(id);
if (isBlankOrNull(value)) {
textView.setVisibility(View.GONE);
} else {
textView.setVisibility(View.VISIBLE);
Spanned markUp = Html.fromHtml(value);
textView.setText(markUp.toString());
}
}
/**
* Assert span exists in the correct location.
*
* @param seq The spannable string to check.
* @param start The starting index.
* @param end The ending index.
*/
public static void assertPrefixSpan(CharSequence seq, int start, int end) {
Assert.assertTrue(seq instanceof Spanned);
Spanned spannable = (Spanned) seq;
if (start > 0) {
Assert.assertEquals(0, getNumForegroundColorSpansBetween(spannable, 0, start - 1));
}
Assert.assertEquals(1, getNumForegroundColorSpansBetween(spannable, start, end));
Assert.assertEquals(
0, getNumForegroundColorSpansBetween(spannable, end + 1, spannable.length() - 1));
}
@Override
public void onFinishTemporaryDetach() {
super.onFinishTemporaryDetach();
if (mContainsImages && getText() instanceof Spanned) {
Spanned text = (Spanned) getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
span.onFinishTemporaryDetach();
}
}
}
public boolean hasLinkAt(float x, float y) {
Integer offset = findOffsetForPosition(x, y);
if (offset == null) {
return false;
}
Spanned text = (Spanned) childView.getText();
ClickableSpan[] spans = text.getSpans(offset, offset, ClickableSpan.class);
return spans != null && spans.length > 0;
}
public ClickableSpan[] getLinkAt(float x, float y) {
Integer offset = findOffsetForPosition(x, y);
if (offset == null) {
return null;
}
Spanned text = (Spanned) childView.getText();
ClickableSpan[] spans = text.getSpans(offset, offset, ClickableSpan.class);
return spans;
}
/**
* Returns null if not boring; the width, ascent, and descent in the provided Metrics object (or a
* new one if the provided one was null) if boring.
*/
public static Metrics isBoring(CharSequence text, TextPaint paint, Metrics metrics) {
char[] temp = TextUtils.obtain(500);
int len = text.length();
boolean boring = true;
outer:
for (int i = 0; i < len; i += 500) {
int j = i + 500;
if (j > len) j = len;
TextUtils.getChars(text, i, j, temp, 0);
int n = j - i;
for (int a = 0; a < n; a++) {
char c = temp[a];
if (c == '\n' || c == '\t' || c >= FIRST_RIGHT_TO_LEFT) {
boring = false;
break outer;
}
}
}
TextUtils.recycle(temp);
if (boring && text instanceof Spanned) {
Spanned sp = (Spanned) text;
Object[] styles = sp.getSpans(0, text.length(), ParagraphStyle.class);
if (styles.length > 0) {
boring = false;
}
}
if (boring) {
Metrics fm = metrics;
if (fm == null) {
fm = new Metrics();
}
int wid;
synchronized (sTemp) {
wid = (int) (FloatMath.ceil(Styled.measureText(paint, sTemp, text, 0, text.length(), fm)));
}
fm.width = wid;
return fm;
} else {
return null;
}
}
@Override
protected boolean verifyDrawable(Drawable drawable) {
if (mContainsImages && getText() instanceof Spanned) {
Spanned text = (Spanned) getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
if (span.getDrawable() == drawable) {
return true;
}
}
}
return super.verifyDrawable(drawable);
}
@Override
public void invalidateDrawable(Drawable drawable) {
if (mContainsImages && getText() instanceof Spanned) {
Spanned text = (Spanned) getText();
TextInlineImageSpan[] spans = text.getSpans(0, text.length(), TextInlineImageSpan.class);
for (TextInlineImageSpan span : spans) {
if (span.getDrawable() == drawable) {
invalidate();
}
}
}
super.invalidateDrawable(drawable);
}
private static int getActive(CharSequence text, Object meta, int on, int lock) {
if (!(text instanceof Spanned)) {
return 0;
}
Spanned sp = (Spanned) text;
int flag = sp.getSpanFlags(meta);
if (flag == LOCKED) {
return lock;
} else if (flag != 0) {
return on;
} else {
return 0;
}
}
/** @param bodyHtml escaped HTML (like in reddit Thing's body_html) */
private CharSequence createSpanned(String bodyHtml) {
try {
// get unescaped HTML
bodyHtml = Html.fromHtml(bodyHtml).toString();
// fromHtml doesn't support all HTML tags. convert <code> and <pre>
bodyHtml = Util.convertHtmlTags(bodyHtml);
Spanned body = Html.fromHtml(bodyHtml);
// remove last 2 newline character
if (body.length() > 2) return body.subSequence(0, body.length() - 2);
else return "";
} catch (Exception e) {
if (Constants.LOGGING) Log.e(TAG, "createSpanned failed", e);
return null;
}
}
@Override
public void onBindViewHolder(ViewHolder holder, Cursor cursor) {
final boolean isFavorite =
cursor.getInt(cursor.getColumnIndex(QuotesTableHelper.IS_FAVORITE)) == 1;
final boolean isAuthorNonNull =
null != cursor.getString(cursor.getColumnIndex(QuotesTableHelper.AUTHOR));
final String link = cursor.getString(cursor.getColumnIndex(QuotesTableHelper.LINK));
holder.setLink(link);
final String title = cursor.getString(cursor.getColumnIndex(QuotesTableHelper.TITLE));
final long id = cursor.getLong(cursor.getColumnIndex(QuotesTableHelper.ID));
holder.tvPubDate.setText(
DateUtil.getItemPubDate(
new Date(cursor.getLong(cursor.getColumnIndex(QuotesTableHelper.PUB_DATE)))));
if (isFavorite) holder.ivFavorite.setImageResource(android.R.drawable.star_big_on);
else holder.ivFavorite.setImageResource(android.R.drawable.star_big_off);
holder.ivFavorite.setOnClickListener(
v -> QuotesTableHelper.makeFavorite(getContext(), id, !isFavorite));
if (isAuthorNonNull) {
holder.tvText.setVisibility(View.GONE);
holder.ivComics.setVisibility(View.VISIBLE);
final String url = cursor.getString(cursor.getColumnIndex(QuotesTableHelper.DESCRIPTION));
holder.setText(url, cursor.getString(cursor.getColumnIndex(QuotesTableHelper.AUTHOR)));
if (mFavorite) holder.makeClick(0, false);
else holder.makeClick(cursor.getLong(cursor.getColumnIndex(QuotesTableHelper.ID)), true);
Picasso.with(getContext()).load(url).config(Bitmap.Config.ALPHA_8).into(holder.ivComics);
holder.tvTitle.setText(cursor.getString(cursor.getColumnIndex(QuotesTableHelper.AUTHOR)));
} else {
holder.tvText.setVisibility(View.VISIBLE);
holder.ivComics.setVisibility(View.GONE);
String description = cursor.getString(cursor.getColumnIndex(QuotesTableHelper.DESCRIPTION));
if (!description.contains("\n")) {
Spanned text = Html.fromHtml(description);
holder.tvText.setText(highlightTextileNeeded(text.toString()));
holder.setText(text.toString(), null);
} else {
holder.tvText.setText(highlightTextileNeeded(description));
holder.setText(description, null);
}
holder.tvTitle.setText(title);
holder.tvTitle.setOnClickListener(
v -> {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(link));
getContext().startActivity(intent);
});
}
}
public void setText(String text) {
Spanned spannedText = Html.fromHtml(text);
text = spannedText.toString();
textWidth = (int) textPaint.measureText(text, 0, text.length());
boolean modifiedText = false;
while (textWidth > maxX) {
text = text.substring(0, text.length() - 1);
textWidth = (int) textPaint.measureText(text, 0, text.length());
modifiedText = true;
}
if (modifiedText) text += "...";
this.text = text;
textPaint.getTextBounds(text, 0, text.length(), bounds);
}
@Test
public void testTextDecorationLineLineThroughApplied() {
UIManagerModule uiManager = getUIManagerModule();
ReactRootView rootView =
createText(
uiManager,
JavaOnlyMap.of(ViewProps.TEXT_DECORATION_LINE, "line-through"),
JavaOnlyMap.of(ReactTextShadowNode.PROP_TEXT, "test text"));
TextView textView = (TextView) rootView.getChildAt(0);
Spanned text = (Spanned) textView.getText();
UnderlineSpan[] underlineSpans = text.getSpans(0, text.length(), UnderlineSpan.class);
StrikethroughSpan strikeThroughSpan = getSingleSpan(textView, StrikethroughSpan.class);
assertThat(underlineSpans).hasSize(0);
assertThat(strikeThroughSpan instanceof StrikethroughSpan).isTrue();
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static String getImageUrl(final Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) return null;
final ClipboardManager cm =
(ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
final ClipData primaryClip = cm.getPrimaryClip();
if (primaryClip.getItemCount() > 0) {
final ClipData.Item item = primaryClip.getItemAt(0);
final CharSequence styledText = item.coerceToStyledText(context);
if (styledText instanceof Spanned) {
final Spanned spanned = (Spanned) styledText;
final ImageSpan[] imageSpans = spanned.getSpans(0, spanned.length(), ImageSpan.class);
if (imageSpans.length == 1) return imageSpans[0].getSource();
}
}
return null;
}
@Override
public CharSequence filter(
CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
if (end > 0 && dest.length() + dend - dstart + end > requiredLength) {
return "";
} else {
return null;
}
}
public static CharSequence getHtmlText(String text) {
// fixes an android bug (?): text layout fails on text with nested style tags
text = removeNestedTags(text, new String[] {"i", "b", "strong"});
final Spanned htmlText = Html.fromHtml(text);
if (htmlText.getSpans(0, htmlText.length(), URLSpan.class).length == 0) {
return htmlText;
}
final Spannable newHtmlText = Spannable.Factory.getInstance().newSpannable(htmlText);
for (URLSpan span : newHtmlText.getSpans(0, newHtmlText.length(), URLSpan.class)) {
final int start = newHtmlText.getSpanStart(span);
final int end = newHtmlText.getSpanEnd(span);
final int flags = newHtmlText.getSpanFlags(span);
final String url = NetworkLibrary.Instance().rewriteUrl(span.getURL(), true);
newHtmlText.removeSpan(span);
newHtmlText.setSpan(new URLSpan(url), start, end, flags);
}
return newHtmlText;
}
private CharSequence getTextForPage(int page) {
if (pageOffsets.size() < 1 || page < 0) {
return null;
} else if (page >= pageOffsets.size() - 1) {
int startOffset = pageOffsets.get(pageOffsets.size() - 1);
if (startOffset >= 0 && startOffset <= text.length() - 1) {
return applySpans(this.text.subSequence(startOffset, text.length()), startOffset);
} else {
return applySpans(text, 0);
}
} else {
int start = this.pageOffsets.get(page);
int end = this.pageOffsets.get(page + 1);
return applySpans(this.text.subSequence(start, end), start);
}
}
@Override
public int reactTagForTouch(float touchX, float touchY) {
Spanned text = (Spanned) getText();
int target = getId();
int x = (int) touchX;
int y = (int) touchY;
Layout layout = getLayout();
if (layout == null) {
// If the layout is null, the view hasn't been properly laid out yet. Therefore, we can't find
// the exact text tag that has been touched, and the correct tag to return is the default one.
return target;
}
int line = layout.getLineForVertical(y);
int lineStartX = (int) layout.getLineLeft(line);
int lineEndX = (int) layout.getLineRight(line);
// TODO(5966918): Consider extending touchable area for text spans by some DP constant
if (x >= lineStartX && x <= lineEndX) {
int index = layout.getOffsetForHorizontal(line, x);
// We choose the most inner span (shortest) containing character at the given index
// if no such span can be found we will send the textview's react id as a touch handler
// In case when there are more than one spans with same length we choose the last one
// from the spans[] array, since it correspond to the most inner react element
ReactTagSpan[] spans = text.getSpans(index, index, ReactTagSpan.class);
if (spans != null) {
int targetSpanTextLength = text.length();
for (int i = 0; i < spans.length; i++) {
int spanStart = text.getSpanStart(spans[i]);
int spanEnd = text.getSpanEnd(spans[i]);
if (spanEnd > index && (spanEnd - spanStart) <= targetSpanTextLength) {
target = spans[i].getReactTag();
targetSpanTextLength = (spanEnd - spanStart);
}
}
}
}
return target;
}
@Override
public CharSequence filter(
CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
try {
int input = Integer.parseInt(dest.toString() + source.toString());
if (isInRange(min, max, input)) return null;
} catch (NumberFormatException nfe) {
}
return "";
}
public CharSequence filter(
CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
if (mDisplayedValues == null) {
return mNumberInputFilter.filter(source, start, end, dest, dstart, dend);
}
CharSequence filtered = String.valueOf(source.subSequence(start, end));
String result =
String.valueOf(dest.subSequence(0, dstart))
+ filtered
+ dest.subSequence(dend, dest.length());
String str = String.valueOf(result).toLowerCase();
for (String val : mDisplayedValues) {
val = val.toLowerCase();
if (val.startsWith(str)) {
return filtered;
}
}
return "";
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Item item = items.get(position);
View view = convertView;
if (view == null) {
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
view = inflater.inflate(R.layout.fragment_interview_list_item, null);
}
TextView title = (TextView) view.findViewById(R.id.interview_list_item_title);
title.setText(item.getTitle());
Spanned descriptionText = Html.fromHtml(item.getDescription());
TextView description = (TextView) view.findViewById(R.id.interview_list_item_description);
description.setText(descriptionText.subSequence(1, descriptionText.length()));
return view;
}
private void parseOP(final ThingInfo data, final ThingInfo contextOP) {
data.setIndent(0);
data.setClicked(Common.isClicked(mActivity, data.getUrl()));
mActivity.runOnUiThread(
new Runnable() {
@Override
public void run() {
mActivity.mObjectStates.mCommentsList.add(0, data);
if (mJumpToCommentContext > 0) {
// Need to add a fake comment to get it to draw in the comments list properly, without
// 'hacking' the adapter to work properly.
ThingInfo tempInfo = new ThingInfo();
tempInfo.setIsContext(true);
// Set the parent ID to allow the user to view the parent thread.
tempInfo.setParent_id(contextOP.getParent_id());
tempInfo.setId(mJumpToCommentId);
mActivity.mObjectStates.mCommentsList.add(1, tempInfo);
}
}
});
if (data.isIs_self() && data.getSelftext_html() != null) {
// HTML to Spanned
String unescapedHtmlSelftext = Html.fromHtml(data.getSelftext_html()).toString();
Spanned selftext = Html.fromHtml(Util.convertHtmlTags(unescapedHtmlSelftext));
// remove last 2 newline characters
if (selftext.length() > 2)
data.setSpannedSelftext(selftext.subSequence(0, selftext.length() - 2));
else data.setSpannedSelftext("");
}
// We might not have a title if we've intercepted a plain link to a thread.
mThreadTitle = data.getTitle();
mActivity.setThreadTitle(mThreadTitle);
mSubreddit = data.getSubreddit();
mThreadId = data.getId();
mOpThingInfo = data;
}
/**
* Extract the text from a HTML based string. This is similar to what HTML.fromHtml(...) does, but
* this method also removes the embedded images instead of replacing them by a small rectangular
* representation character.
*
* @param html
* @return
*/
public static String extractText(CharSequence html) {
String result = html.toString();
// recognize images in textview HTML contents
if (html instanceof Spanned) {
Spanned text = (Spanned) html;
Object[] styles = text.getSpans(0, text.length(), Object.class);
ArrayList<Pair<Integer, Integer>> removals = new ArrayList<Pair<Integer, Integer>>();
for (Object style : styles) {
if (style instanceof ImageSpan) {
int start = text.getSpanStart(style);
int end = text.getSpanEnd(style);
removals.add(Pair.of(start, end));
}
}
// sort reversed and delete image spans
Collections.sort(
removals,
new Comparator<Pair<Integer, Integer>>() {
@Override
public int compare(Pair<Integer, Integer> lhs, Pair<Integer, Integer> rhs) {
return rhs.getRight().compareTo(lhs.getRight());
}
});
result = text.toString();
for (Pair<Integer, Integer> removal : removals) {
result = result.substring(0, removal.getLeft()) + result.substring(removal.getRight());
}
}
// some line breaks are still in the text, source is unknown
return StringUtils.replace(result, "<br />", "\n").trim();
}
@Override
public CharSequence filter(
CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
Log.i(
"test_filter",
"source = "
+ source
+ ", start = "
+ start
+ ", end = "
+ end
+ ", dest = "
+ dest
+ ", dstart = "
+ dstart
+ ", dend = "
+ dend);
int crtLength = dest.length();
String numStr = getIntPart(source);
if (crtLength == 0 || dend - dstart == crtLength)
return numStr.substring(0, max > numStr.length() ? numStr.length() : max);
int returnLength = max - dest.length() + dend - dstart;
if (numStr.length() < returnLength) returnLength = numStr.length();
if (dest.charAt(0) == '0') {
if (dstart > 0) {
text.setText(numStr.substring(0, returnLength));
text.setSelection(returnLength);
return "";
}
if (numStr.startsWith("0")) return "";
return numStr.substring(0, returnLength);
}
if (numStr.startsWith("0")) {
if (dstart == 0) return "";
return numStr.substring(0, returnLength);
}
return numStr.substring(0, returnLength);
}
