Mirrors/FairEmail
1
0
Fork 0
mirror of https://github.com/M66B/FairEmail.git synced 2026-03-27 11:25:13 +01:00
Code Issues Packages Projects Releases Wiki Activity

Added filtering for on-device searching

Browse Source
This commit is contained in:
M66B
2022-10-11 21:55:37 +02:00
parent 2be041841a
commit 781738089f
4 changed files with 125 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
app/src/main/java/eu/faircode/email/HtmlHelper.java
View File

@@ -122,6 +122,7 @@ import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.regex.MatchResult;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@@ -2934,52 +2935,67 @@ public class HtmlHelper {
return ssb;
}
static Document highlightSearched(Context context, Document document, String searched) {
String find = searched.toLowerCase();
static Document highlightSearched(Context context, Document document, String query) {
int color = Helper.resolveColor(context, R.attr.colorHighlight);
NodeTraversor.traverse(new NodeVisitor() {
@Override
public void head(Node node, int depth) {
if (node instanceof TextNode) {
TextNode tnode = (TextNode) node;
String text = tnode.getWholeText();
List<String> word = new ArrayList<>();
List<String> plus = new ArrayList<>();
for (String w : query.trim().split("\\s+"))
if (w.length() > 1 && (w.startsWith("+") || w.startsWith("-"))) {
if (w.startsWith("+"))
plus.add(w.substring(1));
} else
word.add(w);
int start = text.toLowerCase().indexOf(find);
if (start < 0)
return;
int flags = Pattern.DOTALL | Pattern.CASE_INSENSITIVE;
List<Pattern> pat = new ArrayList<>();
pat.add(Pattern.compile(".*(" + TextUtils.join("\\s+", word) + ").*", flags));
for (String w : plus)
pat.add(Pattern.compile(".*(" + w + ").*", flags));
int prev = 0;
Element holder = document.createElement("span");
for (Pattern p : pat)
NodeTraversor.traverse(new NodeVisitor() {
@Override
public void head(Node node, int depth) {
if (node instanceof TextNode)
try {
TextNode tnode = (TextNode) node;
String text = tnode.getWholeText();
while (start >= 0) {
if (start > prev)
holder.appendText(text.substring(prev, start));
Matcher result = p.matcher(text);
if (!result.matches())
return;
Element span = document.createElement("span");
span.attr("style", mergeStyles(
span.attr("style"),
"font-size:larger; background-color:" + encodeWebColor(color)
));
span.text(text.substring(start, start + find.length()));
holder.appendChild(span);
int prev = 0;
Element holder = document.createElement("span");
for (int i = 1; i <= result.groupCount(); i++) {
holder.appendText(text.substring(prev, result.start(i)));
prev = start + find.length();
start = text.toLowerCase().indexOf(find, prev);
}
Element span = document.createElement("span");
span.attr("style", mergeStyles(
span.attr("style"),
"font-size:larger; background-color:" + encodeWebColor(color)
));
span.text(text.substring(result.start(i), result.end(i)));
holder.appendChild(span);
if (prev < text.length())
holder.appendText(text.substring(prev));
prev = result.end(i);
}
tnode.before(holder);
tnode.text("");
if (prev < text.length())
holder.appendText(text.substring(prev));
tnode.before(holder);
tnode.text("");
} catch (Throwable ex) {
Log.e(ex);
}
}
}
@Override
public void tail(Node node, int depth) {
}
}, document);
@Override
public void tail(Node node, int depth) {
}
}, document);
return document;
}