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Code Issues Releases Wiki Activity

Trivial column merger

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This commit is contained in:
M66B 2020-11-07 21:12:19 +01:00
parent 719de5de43
commit 8146c5243a
1 changed files with 36 additions and 1 deletions
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37
app/src/main/java/eu/faircode/email/HtmlHelper.java
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@ -55,6 +55,7 @@ import android.text.style.URLSpan;
import android.text.style.UnderlineSpan;
import android.util.Base64;
import android.util.Patterns;
import android.util.SparseBooleanArray;
import android.view.View;
import android.view.textclassifier.TextClassificationManager;
import android.view.textclassifier.TextLanguage;
@ -830,13 +831,15 @@ public class HtmlHelper {
Element table = tables.get(t);
// Get rows and caption
boolean titles = false;
Elements rows = new Elements();
Elements extras = new Elements();
for (Element child : table.children()) {
switch (child.tagName()) {
case "thead":
case "tbody":
case "tfoot":
titles = true;
case "tbody":
for (Element sub : child.children())
if ("tr".equals(sub.tagName()))
rows.add(sub);
@ -854,6 +857,8 @@ public class HtmlHelper {
// Process column spans
int maxcols = 0;
int mincols = Integer.MAX_VALUE;
SparseBooleanArray nomerge = new SparseBooleanArray();
for (Element row : rows) {
int cols = 0;
for (Element col : row.children()) {
@ -861,8 +866,20 @@ public class HtmlHelper {
switch (col.tagName()) {
case "td":
if (!titles && col.childNodeSize() == 1) {
Node first = col.childNode(0);
if (first instanceof TextNode) {
if (((TextNode) first).text().length() != 1)
nomerge.put(cols - 1, true);
} else {
if (!"img".equals(first.nodeName()))
nomerge.put(cols - 1, true);
}
} else
nomerge.put(cols - 1, true);
break;
case "th":
nomerge.put(cols - 1, true);
Element strong = new Element("strong");
for (Node child : new ArrayList<>(col.childNodes())) {
child.remove();
@ -900,7 +917,23 @@ public class HtmlHelper {
}
if (cols > maxcols)
maxcols = cols;
if (cols < mincols)
mincols = cols;
}
if (mincols > maxcols)
mincols = maxcols;
// Merge columns
if (mincols > 1)
for (int col = 0; col < mincols - 1; col++)
if (!nomerge.get(col))
for (Element row : rows) {
Node node = row.child(col).childNode(0);
node.remove();
if (node instanceof Element)
node.removeAttr("x-block");
row.child(col + 1).prependText(" ").prependChild(node);
}
// Rebuild table
table.tagName("div");
@ -917,6 +950,8 @@ public class HtmlHelper {
for (int c = 0; c < maxcols; c++) {
Element col = document.createElement("div")
.attr("x-block", "true");
if (tdebug)
col.appendText("merge=" + !nomerge.get(c));
int r = 0;
for (Element row : rows) {
r++;