@Override
public boolean onTouch(View v, MotionEvent event) {
Layout layout = ((TextView) v).getLayout();
int x = (int) event.getX();
int y = (int) event.getY();
int offset = 0;
if (layout != null) {
int line = layout.getLineForVertical(y);
offset = layout.getOffsetForHorizontal(line, x);
}
TextView tv = (TextView) v;
SpannableString value = SpannableString.valueOf(tv.getText());
LinkMovementMethod.getInstance().onTouchEvent(tv, value, event);
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
WeburlSpan[] urlSpans = value.getSpans(0, value.length(), WeburlSpan.class);
boolean find = false;
int findStart = 0;
int findEnd = 0;
for (WeburlSpan urlSpan : urlSpans) {
int start = value.getSpanStart(urlSpan);
int end = value.getSpanEnd(urlSpan);
if (start <= offset && offset <= end) {
find = true;
findStart = start;
findEnd = end;
break;
}
}
if (find) {
BackgroundColorSpan bkcolor = new BackgroundColorSpan(0xff89660f);
value.setSpan(bkcolor, findStart, findEnd, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
((TextView) v).setText(value);
}
return find;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
BackgroundColorSpan[] backgroundColorSpans =
value.getSpans(0, value.length(), BackgroundColorSpan.class);
for (BackgroundColorSpan bkcolor : backgroundColorSpans) {
value.removeSpan(bkcolor);
((TextView) v).setText(value);
}
break;
}
return false;
}
/**
* 用本函数代替{@link #setText(CharSequence)}
*
* @param cs
*/
public void setMText(CharSequence cs) {
text = cs;
obList.clear();
// contentList.clear();
ArrayList<IS> isList = new ArrayList<MTextView.IS>();
useDefault = false;
if (cs instanceof SpannableString) {
SpannableString ss = (SpannableString) cs;
ImageSpan[] imageSpans = ss.getSpans(0, ss.length(), ImageSpan.class);
for (int i = 0; i < imageSpans.length; i++) {
int s = ss.getSpanStart(imageSpans[i]);
int e = ss.getSpanEnd(imageSpans[i]);
IS iS = new IS();
iS.is = imageSpans[i];
iS.start = s;
iS.end = e;
isList.add(iS);
}
}
String str = cs.toString();
for (int i = 0, j = 0; i < cs.length(); ) {
if (j < isList.size()) {
IS is = isList.get(j);
if (i < is.start) {
Integer cp = str.codePointAt(i);
// 支持增补字符
if (Character.isSupplementaryCodePoint(cp)) {
i += 2;
} else {
i++;
}
obList.add(new String(Character.toChars(cp)));
} else if (i >= is.start) {
obList.add(is.is);
j++;
i = is.end;
}
} else {
Integer cp = str.codePointAt(i);
if (Character.isSupplementaryCodePoint(cp)) {
i += 2;
} else {
i++;
}
obList.add(new String(Character.toChars(cp)));
}
}
requestLayout();
}
public static Spannable a(CharSequence paramCharSequence, int paramInt)
{
int k = 0;
SpannableString localSpannableString = SpannableString.valueOf(paramCharSequence);
StyleSpan[] arrayOfStyleSpan = (StyleSpan[])localSpannableString.getSpans(0, localSpannableString.length(), StyleSpan.class);
paramCharSequence = arrayOfStyleSpan;
if (arrayOfStyleSpan.length == 0)
{
localSpannableString.setSpan(new StyleSpan(1), 0, localSpannableString.length(), 33);
paramCharSequence = (StyleSpan[])localSpannableString.getSpans(0, localSpannableString.length(), StyleSpan.class);
}
int m = paramCharSequence.length;
while (k < m)
{
arrayOfStyleSpan = paramCharSequence[k];
if (arrayOfStyleSpan.getStyle() == 1) {
StringUtils.a(localSpannableString, arrayOfStyleSpan, new ForegroundColorSpan(paramInt));
}
k += 1;
}
return localSpannableString;
}
public static void removeSpans(TextView textView) {
CharSequence t = textView.getText();
if (t instanceof Spannable) {
Spannable span = (Spannable) t;
URLSpan[] old = span.getSpans(0, span.length(), URLSpan.class);
for (int i = old.length - 1; i >= 0; i--) {
span.removeSpan(old[i]);
}
} else {
SpannableString span = SpannableString.valueOf(t);
URLSpan[] old = span.getSpans(0, span.length(), URLSpan.class);
for (int i = old.length - 1; i >= 0; i--) {
span.removeSpan(old[i]);
}
}
}
@CalledByNative
private void populateUnderlinesFromSpans(CharSequence text, long underlines) {
Log.d(TAG, "populateUnderlinesFromSpans: text [%s], underlines [%d]", text, underlines);
if (!(text instanceof SpannableString)) return;
SpannableString spannableString = ((SpannableString) text);
CharacterStyle spans[] = spannableString.getSpans(0, text.length(), CharacterStyle.class);
for (CharacterStyle span : spans) {
if (span instanceof BackgroundColorSpan) {
nativeAppendBackgroundColorSpan(
underlines,
spannableString.getSpanStart(span),
spannableString.getSpanEnd(span),
((BackgroundColorSpan) span).getBackgroundColor());
} else if (span instanceof UnderlineSpan) {
nativeAppendUnderlineSpan(
underlines, spannableString.getSpanStart(span), spannableString.getSpanEnd(span));
}
}
}
private static SpannableString style(
Context ctx,
HashMap<String, ITypeface> fonts,
SpannableString textSpanned,
List<CharacterStyle> styles,
HashMap<String, List<CharacterStyle>> stylesFor) {
if (fonts == null || fonts.size() == 0) {
fonts = FONTS;
}
int startIndex = -1;
String fontKey = "";
// remember the position of removed chars
ArrayList<RemoveInfo> removed = new ArrayList<RemoveInfo>();
// StringBuilder text = new StringBuilder(textSpanned.toString());
StringBuilder text = new StringBuilder(textSpanned);
// find the first "{"
while ((startIndex = text.indexOf("{", startIndex + 1)) != -1) {
// make sure we are still within the bounds of the text
if (text.length() < startIndex + 5) {
startIndex = -1;
break;
}
// make sure the found text is a real fontKey
if (!text.substring(startIndex + 4, startIndex + 5).equals("-")) {
break;
}
// get the fontKey
fontKey = text.substring(startIndex + 1, startIndex + 4);
// check if the fontKey is a registeredFont
if (fonts.containsKey(fontKey)) {
break;
}
}
if (startIndex == -1) {
return new SpannableString(text);
}
// remember total removed chars
int removedChars = 0;
LinkedList<StyleContainer> styleContainers = new LinkedList<StyleContainer>();
do {
// get the information from the iconString
int endIndex = text.substring(startIndex).indexOf("}") + startIndex + 1;
String iconString = text.substring(startIndex + 1, endIndex - 1);
iconString = iconString.replaceAll("-", "_");
try {
// get the correct character for this Font and Icon
IIcon icon = fonts.get(fontKey).getIcon(iconString);
// we can only add an icon which is a font
if (icon != null) {
char fontChar = icon.getCharacter();
String iconValue = String.valueOf(fontChar);
// get just the icon identifier
text = text.replace(startIndex, endIndex, iconValue);
// store some info about the removed chars
removedChars = removedChars + (endIndex - startIndex);
removed.add(new RemoveInfo(startIndex, (endIndex - startIndex - 1), removedChars));
// add the current icon to the container
styleContainers.add(
new StyleContainer(startIndex, startIndex + 1, iconString, fonts.get(fontKey)));
}
} catch (IllegalArgumentException e) {
Log.w(Iconics.TAG, "Wrong icon name: " + iconString);
}
// reset fontKey so we can react if we are at the end but haven't found any more matches
fontKey = null;
// check the rest of the text for matches
while ((startIndex = text.indexOf("{", startIndex + 1)) != -1) {
// make sure we are still within the bounds
if (text.length() < startIndex + 5) {
startIndex = -1;
break;
}
// check if the 5. char is a "-"
if (text.substring(startIndex + 4, startIndex + 5).equals("-")) {
// get the fontKey
fontKey = text.substring(startIndex + 1, startIndex + 4);
// check if the fontKey is registered
if (fonts.containsKey(fontKey)) {
break;
}
}
}
} while (startIndex != -1 && fontKey != null);
SpannableString sb = new SpannableString(text);
// reapply all previous styles
for (StyleSpan span : textSpanned.getSpans(0, textSpanned.length(), StyleSpan.class)) {
int spanStart = newSpanPoint(textSpanned.getSpanStart(span), removed);
int spanEnd = newSpanPoint(textSpanned.getSpanEnd(span), removed);
if (spanStart >= 0 && spanEnd > 0) {
sb.setSpan(span, spanStart, spanEnd, textSpanned.getSpanFlags(span));
}
}
// set all the icons and styles
for (StyleContainer styleContainer : styleContainers) {
sb.setSpan(
new IconicsTypefaceSpan("sans-serif", styleContainer.getFont().getTypeface(ctx)),
styleContainer.getStartIndex(),
styleContainer.getEndIndex(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
if (stylesFor.containsKey(styleContainer.getIcon())) {
for (CharacterStyle style : stylesFor.get(styleContainer.getIcon())) {
sb.setSpan(
CharacterStyle.wrap(style),
styleContainer.getStartIndex(),
styleContainer.getEndIndex(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
} else if (styles != null) {
for (CharacterStyle style : styles) {
sb.setSpan(
CharacterStyle.wrap(style),
styleContainer.getStartIndex(),
styleContainer.getEndIndex(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
}
// sb = applyKerning(sb, 1);
return sb;
}
