Added composing indentation

app/src/main/java/eu/faircode/email/HtmlEx.java

@@ -136,16 +136,22 @@ public class HtmlEx {
                                   int option) {
         int next;
         for (int i = start; i < end; i = next) {
-            next = text.nextSpanTransition(i, end, QuoteSpan.class);
+            int n1 = text.nextSpanTransition(i, end, QuoteSpan.class);
-            QuoteSpan[] quotes = text.getSpans(i, next, QuoteSpan.class);
+            int n2 = text.nextSpanTransition(i, end, eu.faircode.email.IndentSpan.class);
-
+            Class type = (n1 < n2 ? QuoteSpan.class : eu.faircode.email.IndentSpan.class);
-            for (QuoteSpan quote : quotes) {
+            next = Math.min(n1, n2);
-                out.append("<blockquote>");
+            Object[] quotes = text.getSpans(i, next, type);
+
+            for (Object quote : quotes) {
+                if (quote instanceof QuoteSpan)
+                    out.append("<blockquote style=\"border:3px solid #ccc; padding-left: 3px;\">");
+                else
+                    out.append("<blockquote>");
             }
 
             withinBlockquote(out, text, i, next, option);
 
-            for (QuoteSpan quote : quotes) {
+            for (Object quote : quotes) {
                 out.append("</blockquote>\n");
             }
         }

app/src/main/java/eu/faircode/email/HtmlHelper.java

@@ -814,8 +814,13 @@ public class HtmlHelper {
                             if (value != null) {
                                 // 1px solid rgb(204,204,204)
                                 Float border = getFontSize(value.trim().split("\\s+")[0], 1.0f);
-                                if (border != null && border > 0)
+                                if (border != null && border > 0) {
                                     element.attr("x-border", "true");
+                                    if (!view) {
+                                        sb.append("border-left").append(':').append("3px solid #ccc").append(';');
+                                        sb.append("padding-left").append(':').append("3px").append(';');
+                                    }
+                                }
                             }
                             break;
                     }
@@ -2951,6 +2956,8 @@ public class HtmlHelper {
                 last.remove();
         }
 
+        Log.i("MMM " + doc.html());
+
         return doc.html();
     }
 

app/src/main/java/eu/faircode/email/StyleHelper.java

@@ -172,6 +172,9 @@ public class StyleHelper {
                 popupMenu.getMenu().findItem(R.id.menu_style_list_increase).setVisible(level >= 0);
                 popupMenu.getMenu().findItem(R.id.menu_style_list_decrease).setVisible(level > 0);
 
+                IndentSpan[] indents = edit.getSpans(start, end, IndentSpan.class);
+                popupMenu.getMenu().findItem(R.id.menu_style_indentation_decrease).setEnabled(indents.length > 0);
+
                 popupMenu.insertIcons(context);
 
                 popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@@ -198,6 +201,8 @@ public class StyleHelper {
                                     return setList(item);
                             } else if (groupId == R.id.group_style_blockquote) {
                                 return setBlockQuote(item);
+                            } else if (groupId == R.id.group_style_indentation) {
+                                return setIndentation(item);
                             } else if (groupId == R.id.group_style_strikethrough) {
                                 return setStrikeThrough(item);
                             } else if (groupId == R.id.group_style_clear) {
@@ -503,6 +508,17 @@ public class StyleHelper {
                         if (paragraph == null)
                             return false;
 
+                        QuoteSpan[] quotes = edit.getSpans(paragraph.first, paragraph.second, QuoteSpan.class);
+                        for (QuoteSpan quote : quotes)
+                            edit.removeSpan(quote);
+
+                        if (quotes.length == 1)
+                            return true;
+
+                        IndentSpan[] indents = edit.getSpans(start, end, IndentSpan.class);
+                        for (IndentSpan indent : indents)
+                            edit.removeSpan(indent);
+
                         QuoteSpan q;
                         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
                             q = new QuoteSpan(colorBlockquote);
@@ -516,6 +532,35 @@ public class StyleHelper {
                         return true;
                     }
 
+                    private boolean setIndentation(MenuItem item) {
+                        Log.breadcrumb("style", "action", "indent");
+
+                        Pair<Integer, Integer> paragraph = ensureParagraph(edit, start, end);
+                        if (paragraph == null)
+                            return false;
+
+                        if (item.getItemId() == R.id.menu_style_indentation_decrease) {
+                            IndentSpan[] indents = edit.getSpans(paragraph.first, paragraph.second, IndentSpan.class);
+                            if (indents.length > 0)
+                                edit.removeSpan(indents[0]);
+                        } else {
+                            Context context = etBody.getContext();
+                            int intentSize = context.getResources().getDimensionPixelSize(R.dimen.indent_size);
+
+                            QuoteSpan[] quotes = edit.getSpans(start, end, QuoteSpan.class);
+                            for (QuoteSpan quote : quotes)
+                                edit.removeSpan(quote);
+
+                            IndentSpan is = new IndentSpan(intentSize);
+                            edit.setSpan(is, paragraph.first, paragraph.second, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
+                        }
+
+                        etBody.setText(edit);
+                        etBody.setSelection(paragraph.first, paragraph.second);
+
+                        return true;
+                    }
+
                     private boolean setStrikeThrough(MenuItem item) {
                         Log.breadcrumb("style", "action", "strike");
 

app/src/main/res/menu/popup_style.xml

@@ -113,9 +113,28 @@
             android:title="@string/title_style_blockquote" />
     </group>
 
+    <item
+        android:id="@+id/menu_style_indentation"
+        android:icon="@drawable/twotone_format_indent_increase_24"
+        android:orderInCategory="8"
+        android:title="@string/title_style_indentation">
+        <menu>
+            <group android:id="@+id/group_style_indentation">
+                <item
+                    android:id="@+id/menu_style_indentation_increase"
+                    android:icon="@drawable/twotone_format_indent_increase_24"
+                    android:title="@string/title_style_list_level_increase" />
+                <item
+                    android:id="@+id/menu_style_indentation_decrease"
+                    android:icon="@drawable/twotone_format_indent_decrease_24"
+                    android:title="@string/title_style_list_level_decrease" />
+            </group>
+        </menu>
+    </item>
+
     <group
         android:id="@+id/group_style_strikethrough"
-        android:orderInCategory="8">
+        android:orderInCategory="9">
         <item
             android:id="@+id/menu_style_strikethrough"
             android:icon="@drawable/twotone_format_strikethrough_24"
@@ -124,7 +143,7 @@
 
     <group
         android:id="@+id/group_style_clear"
-        android:orderInCategory="9">
+        android:orderInCategory="10">
         <item
             android:id="@+id/menu_style_clear"
             android:icon="@drawable/twotone_format_clear_24"

app/src/main/res/values/strings.xml

@@ -1103,6 +1103,7 @@
     <string name="title_style_font">Font</string>
     <string name="title_style_font_default">Default</string>
     <string name="title_style_blockquote">Block quote</string>
+    <string name="title_style_indentation">Indentation</string>
     <string name="title_style_strikethrough">Strikethrough</string>
     <string name="title_style_clear">Clear formatting</string>
     <string name="title_style_link">Insert link</string>