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FairEmail
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Code Issues Projects Releases Wiki Activity

Split/extends spans

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pull/198/head
M66B 4 years ago
parent b056a2f8d9
commit 8e4b2d7c2e
1 changed files with 99 additions and 20 deletions
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119
app/src/main/java/eu/faircode/email/StyleHelper.java
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@ -89,7 +89,12 @@ public class StyleHelper {
for (StyleSpan span : edit.getSpans(start, end, StyleSpan.class)) for (StyleSpan span : edit.getSpans(start, end, StyleSpan.class))
if (span.getStyle() == style) { if (span.getStyle() == style) {
has = true; has = true;
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span); edit.removeSpan(span);
splitSpan(edit, start, end, s, e, f, true,
new StyleSpan(style), new StyleSpan(style));
} }
if (!has) if (!has)
@ -103,7 +108,12 @@ public class StyleHelper {
boolean has = false; boolean has = false;
for (UnderlineSpan span : edit.getSpans(start, end, UnderlineSpan.class)) { for (UnderlineSpan span : edit.getSpans(start, end, UnderlineSpan.class)) {
has = true; has = true;
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span); edit.removeSpan(span);
splitSpan(edit, start, end, s, e, f, true,
new UnderlineSpan(), new UnderlineSpan());
} }
if (!has) if (!has)
@ -187,10 +197,6 @@ public class StyleHelper {
} }
private boolean setSize(MenuItem item) { private boolean setSize(MenuItem item) {
RelativeSizeSpan[] spans = edit.getSpans(start, end, RelativeSizeSpan.class);
for (RelativeSizeSpan span : spans)
edit.removeSpan(span);
Float size; Float size;
if (item.getItemId() == R.id.menu_style_size_small) if (item.getItemId() == R.id.menu_style_size_small)
size = 0.8f; size = 0.8f;
@ -199,6 +205,17 @@ public class StyleHelper {
else else
size = null; size = null;
RelativeSizeSpan[] spans = edit.getSpans(start, end, RelativeSizeSpan.class);
for (RelativeSizeSpan span : spans) {
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span);
splitSpan(edit, start, end, s, e, f, true,
new RelativeSizeSpan(span.getSizeChange()),
new RelativeSizeSpan(span.getSizeChange()));
}
if (size != null) if (size != null)
edit.setSpan(new RelativeSizeSpan(size), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); edit.setSpan(new RelativeSizeSpan(size), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
@ -241,8 +258,15 @@ public class StyleHelper {
} }
private void _setColor(Integer color) { private void _setColor(Integer color) {
for (ForegroundColorSpan span : edit.getSpans(start, end, ForegroundColorSpan.class)) for (ForegroundColorSpan span : edit.getSpans(start, end, ForegroundColorSpan.class)) {
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span); edit.removeSpan(span);
splitSpan(edit, start, end, s, e, f, false,
new ForegroundColorSpan(span.getForegroundColor()),
new ForegroundColorSpan(span.getForegroundColor()));
}
if (color != null) if (color != null)
edit.setSpan(new ForegroundColorSpan(color), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); edit.setSpan(new ForegroundColorSpan(color), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
@ -355,14 +379,20 @@ public class StyleHelper {
} }
private boolean setFont(MenuItem item) { private boolean setFont(MenuItem item) {
TypefaceSpan[] spans = edit.getSpans(start, end, TypefaceSpan.class);
for (TypefaceSpan span : spans)
edit.removeSpan(span);
int id = item.getItemId(); int id = item.getItemId();
String[] names = anchor.getResources().getStringArray(R.array.fontNameValues); String[] names = anchor.getResources().getStringArray(R.array.fontNameValues);
String face = (id < names.length ? names[id] : null); String face = (id < names.length ? names[id] : null);
TypefaceSpan[] spans = edit.getSpans(start, end, TypefaceSpan.class);
for (TypefaceSpan span : spans) {
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span);
splitSpan(edit, start, end, s, e, f, false,
new TypefaceSpan(span.getFamily()), new TypefaceSpan(span.getFamily()));
}
if (face != null) if (face != null)
edit.setSpan(new TypefaceSpan(face), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); edit.setSpan(new TypefaceSpan(face), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
@ -380,22 +410,42 @@ public class StyleHelper {
int quoteStripe = context.getResources().getDimensionPixelSize(R.dimen.quote_stripe_width); int quoteStripe = context.getResources().getDimensionPixelSize(R.dimen.quote_stripe_width);
Pair<Integer, Integer> paragraph = ensureParagraph(edit, start, end); Pair<Integer, Integer> paragraph = ensureParagraph(edit, start, end);
int s = paragraph.first;
int e = paragraph.second;
QuoteSpan[] spans = edit.getSpans(s, e, QuoteSpan.class); boolean has = false;
for (QuoteSpan span : spans) QuoteSpan[] spans = edit.getSpans(paragraph.first, paragraph.second, QuoteSpan.class);
for (QuoteSpan span : spans) {
has = true;
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span); edit.removeSpan(span);
QuoteSpan q; QuoteSpan q1;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P) if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
q = new QuoteSpan(colorPrimary); q1 = new QuoteSpan(span.getColor());
else else
q = new QuoteSpan(colorPrimary, quoteStripe, quoteGap); q1 = new QuoteSpan(span.getColor(), span.getStripeWidth(), span.getGapWidth());
edit.setSpan(q, s, e, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
QuoteSpan q2;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
q2 = new QuoteSpan(span.getColor());
else
q2 = new QuoteSpan(span.getColor(), span.getStripeWidth(), span.getGapWidth());
splitSpan(edit, paragraph.first, paragraph.second, s, e, f, false, q1, q2);
}
if (!has) {
QuoteSpan q;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
q = new QuoteSpan(colorPrimary);
else
q = new QuoteSpan(colorPrimary, quoteStripe, quoteGap);
edit.setSpan(q, paragraph.first, paragraph.second, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
}
etBody.setText(edit); etBody.setText(edit);
etBody.setSelection(s, e); etBody.setSelection(paragraph.first, paragraph.second);
return true; return true;
} }
@ -404,7 +454,12 @@ public class StyleHelper {
boolean has = false; boolean has = false;
for (StrikethroughSpan span : edit.getSpans(start, end, StrikethroughSpan.class)) { for (StrikethroughSpan span : edit.getSpans(start, end, StrikethroughSpan.class)) {
has = true; has = true;
int s = edit.getSpanStart(span);
int e = edit.getSpanEnd(span);
int f = edit.getSpanFlags(span);
edit.removeSpan(span); edit.removeSpan(span);
splitSpan(edit, start, end, s, e, f, true,
new StrikethroughSpan(), new StrikethroughSpan());
} }
if (!has) if (!has)
@ -491,6 +546,30 @@ public class StyleHelper {
} }
} }
static void splitSpan(Editable edit, int start, int end, int s, int e, int f, boolean extend, Object span1, Object span2) {
if (start < s && end > s && end < e) {
// overlap before
if (extend)
edit.setSpan(span1, start, e, f);
else
edit.setSpan(span1, end, e, f);
} else if (start < e && end > e && start > s) {
// overlap after
if (extend)
edit.setSpan(span1, s, end, f);
else
edit.setSpan(span1, s, start, f);
} else if (start < s && end > e) {
// overlap all
if (extend)
edit.setSpan(span1, start, end, f);
} else if (start > s && end < e) {
// overlap inner
edit.setSpan(span1, s, start, f);
edit.setSpan(span2, end, e, f);
}
}
static void setSpan(Editable edit, Object span, int start, int end, int flags, Context context) { static void setSpan(Editable edit, Object span, int start, int end, int flags, Context context) {
if (span instanceof CharacterStyle) if (span instanceof CharacterStyle)
edit.setSpan(CharacterStyle.wrap((CharacterStyle) span), start, end, flags); edit.setSpan(CharacterStyle.wrap((CharacterStyle) span), start, end, flags);

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