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Added sub/superscript to composer

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M66B
2022-10-15 10:41:07 +02:00
parent 8b47f1a1d0
commit 3ad1d40bb5
8 changed files with 178 additions and 16 deletions
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55
app/src/main/java/eu/faircode/email/StyleHelper.java
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@@ -80,6 +80,7 @@ public class StyleHelper {
AlignmentSpan.class,
BulletSpanEx.class, NumberSpan.class,
QuoteSpan.class, IndentSpan.class,
SubscriptSpanEx.class, SuperscriptSpanEx.class,
StrikethroughSpan.class,
URLSpan.class,
TypefaceSpan.class, CustomTypefaceSpan.class,
@@ -246,6 +247,10 @@ public class StyleHelper {
return setBlockQuote(etBody, start, end, true);
} else if (groupId == R.id.group_style_mark) {
return setMark(item);
} else if (groupId == R.id.group_style_subscript) {
return setSubscript(item);
} else if (groupId == R.id.group_style_superscript) {
return setSuperscript(item);
} else if (groupId == R.id.group_style_strikethrough) {
return setStrikeThrough(item);
} else if (groupId == R.id.group_style_code) {
@@ -465,6 +470,56 @@ public class StyleHelper {
return true;
}
private boolean setSubscript(MenuItem item) {
Log.breadcrumb("style", "action", "subscript");
boolean has = false;
SubscriptSpanEx[] spans = edit.getSpans(start, end, SubscriptSpanEx.class);
for (SubscriptSpanEx span : spans) {
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span);
if (splitSpan(edit, start, end, s, e, f, true,
new SubscriptSpanEx(), new SubscriptSpanEx()))
has = true;
}
if (!has)
edit.setSpan(new SubscriptSpanEx(), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
etBody.setText(edit);
etBody.setSelection(start, end);
return true;
}
private boolean setSuperscript(MenuItem item) {
Log.breadcrumb("style", "action", "superscript");
boolean has = false;
SuperscriptSpanEx[] spans = edit.getSpans(start, end, SuperscriptSpanEx.class);
for (SuperscriptSpanEx span : spans) {
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span);
if (splitSpan(edit, start, end, s, e, f, true,
new SuperscriptSpanEx(), new SuperscriptSpanEx()))
has = true;
}
if (!has) {
edit.setSpan(new SuperscriptSpanEx(), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
edit.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
etBody.setText(edit);
etBody.setSelection(start, end);
return true;
}
private boolean setStrikeThrough(MenuItem item) {
Log.breadcrumb("style", "action", "strike");