This commit is contained in:
Grishka 2022-05-13 19:01:29 +03:00
parent 9b87d0bece
commit 601eec4607
3 changed files with 91 additions and 14 deletions

View File

@ -0,0 +1,8 @@
package org.joinmastodon.android.ui.text;
/**
* A span to mark character ranges that should be deleted when copied to the clipboard.
* Works with {@link org.joinmastodon.android.ui.views.LinkedTextView}.
*/
public class DeleteWhenCopiedSpan{
}

View File

@ -111,7 +111,7 @@ public class HtmlParser{
if(node instanceof Element){
Element el=(Element)node;
if("span".equals(el.nodeName()) && el.hasClass("ellipsis")){
ssb.append('…');
ssb.append("", new DeleteWhenCopiedSpan(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}else if("p".equals(el.nodeName())){
if(node.nextSibling()!=null)
ssb.append("\n\n");

View File

@ -1,31 +1,61 @@
package org.joinmastodon.android.ui.views;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.graphics.Canvas;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.util.AttributeSet;
import android.util.Log;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.widget.TextView;
import org.joinmastodon.android.ui.text.ClickableLinksDelegate;
import org.joinmastodon.android.ui.text.DeleteWhenCopiedSpan;
public class LinkedTextView extends TextView{
private ClickableLinksDelegate delegate=new ClickableLinksDelegate(this);
private boolean needInvalidate;
private ActionMode currentActionMode;
public LinkedTextView(Context context){
super(context);
// TODO Auto-generated constructor stub
this(context, null);
}
public LinkedTextView(Context context, AttributeSet attrs){
super(context, attrs);
// TODO Auto-generated constructor stub
this(context, attrs, 0);
}
public LinkedTextView(Context context, AttributeSet attrs, int defStyle){
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
setCustomSelectionActionModeCallback(new ActionMode.Callback(){
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu){
currentActionMode=mode;
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu){
return true;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item){
onTextContextMenuItem(item.getItemId());
return true;
}
@Override
public void onDestroyActionMode(ActionMode mode){
currentActionMode=null;
}
});
}
public boolean onTouchEvent(MotionEvent ev){
@ -47,4 +77,43 @@ public class LinkedTextView extends TextView {
invalidate();
}
@Override
public boolean onTextContextMenuItem(int id){
if(id==android.R.id.copy){
final int selStart=getSelectionStart();
final int selEnd=getSelectionEnd();
int min=Math.max(0, Math.min(selStart, selEnd));
int max=Math.max(0, Math.max(selStart, selEnd));
final ClipData copyData=ClipData.newPlainText(null, deleteTextWithinDeleteSpans(getText().subSequence(min, max)));
ClipboardManager clipboard=getContext().getSystemService(ClipboardManager.class);
try {
clipboard.setPrimaryClip(copyData);
} catch (Throwable t) {
Log.w("LinkedTextView", t);
}
if(currentActionMode!=null){
currentActionMode.finish();
}
return true;
}
return super.onTextContextMenuItem(id);
}
private CharSequence deleteTextWithinDeleteSpans(CharSequence text){
if(text instanceof Spanned spanned){
DeleteWhenCopiedSpan[] delSpans=spanned.getSpans(0, text.length(), DeleteWhenCopiedSpan.class);
if(delSpans.length>0){
SpannableStringBuilder ssb=new SpannableStringBuilder(spanned);
for(DeleteWhenCopiedSpan span:delSpans){
int start=ssb.getSpanStart(span);
int end=ssb.getSpanStart(span);
if(start==-1)
continue;
ssb.delete(start, end+1);
}
return ssb;
}
}
return text;
}
}