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Remove spans on copying or pasting a text

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This commit is contained in:
Mishiranu 2016-10-19 20:43:30 +03:00
parent 7226fc0010
commit 8835f08cf7
5 changed files with 118 additions and 7 deletions
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36
src/main/java/eu/siacs/conversations/ui/EditMessage.java
View File

@ -1,7 +1,11 @@
package eu.siacs.conversations.ui;
import android.content.Context;
import android.os.Build;
import android.os.Handler;
import android.text.Editable;
import android.text.InputFilter;
import android.text.Spanned;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.widget.EditText;
@ -89,4 +93,36 @@ public class EditMessage extends EditText {
boolean onTabPressed(boolean repeated);
}
private static final InputFilter SPAN_FILTER = new InputFilter() {
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
return source instanceof Spanned ? source.toString() : source;
}
};
@Override
public boolean onTextContextMenuItem(int id) {
if (id == android.R.id.paste) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
return super.onTextContextMenuItem(android.R.id.pasteAsPlainText);
} else {
Editable editable = getEditableText();
InputFilter[] filters = editable.getFilters();
InputFilter[] tempFilters = new InputFilter[filters != null ? filters.length + 1 : 1];
if (filters != null) {
System.arraycopy(filters, 0, tempFilters, 1, filters.length);
}
tempFilters[0] = SPAN_FILTER;
editable.setFilters(tempFilters);
try {
return super.onTextContextMenuItem(id);
} finally {
editable.setFilters(filters);
}
}
} else {
return super.onTextContextMenuItem(id);
}
}
}

19
src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
View File

@ -54,12 +54,13 @@ import eu.siacs.conversations.entities.Transferable;
import eu.siacs.conversations.persistance.FileBackend;
import eu.siacs.conversations.ui.ConversationActivity;
import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
import eu.siacs.conversations.ui.widget.CopyTextView;
import eu.siacs.conversations.ui.widget.ListSelectionManager;
import eu.siacs.conversations.utils.CryptoHelper;
import eu.siacs.conversations.utils.GeoHelper;
import eu.siacs.conversations.utils.UIHelper;
public class MessageAdapter extends ArrayAdapter<Message> {
public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
private static final int SENT = 0;
private static final int RECEIVED = 1;
@ -487,7 +488,7 @@ public class MessageAdapter extends ArrayAdapter<Message> {
viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
viewHolder.image = (ImageView) view
.findViewById(R.id.message_image);
viewHolder.messageBody = (TextView) view
viewHolder.messageBody = (CopyTextView) view
.findViewById(R.id.message_body);
viewHolder.time = (TextView) view
.findViewById(R.id.message_time);
@ -508,7 +509,7 @@ public class MessageAdapter extends ArrayAdapter<Message> {
viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
viewHolder.image = (ImageView) view
.findViewById(R.id.message_image);
viewHolder.messageBody = (TextView) view
viewHolder.messageBody = (CopyTextView) view
.findViewById(R.id.message_body);
viewHolder.time = (TextView) view
.findViewById(R.id.message_time);
@ -526,7 +527,10 @@ public class MessageAdapter extends ArrayAdapter<Message> {
viewHolder = null;
break;
}
if (viewHolder.messageBody != null) listSelectionManager.onCreate(viewHolder.messageBody);
if (viewHolder.messageBody != null) {
listSelectionManager.onCreate(viewHolder.messageBody);
viewHolder.messageBody.setCopyHandler(this);
}
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
@ -684,6 +688,11 @@ public class MessageAdapter extends ArrayAdapter<Message> {
listSelectionManager.onAfterNotifyDataSetChanged();
}
@Override
public String transformTextForCopy(CharSequence text, int start, int end) {
return text.toString().substring(start, end);
}
public void openDownloadable(Message message) {
DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
if (!file.exists()) {
@ -761,7 +770,7 @@ public class MessageAdapter extends ArrayAdapter<Message> {
protected ImageView indicator;
protected ImageView indicatorReceived;
protected TextView time;
protected TextView messageBody;
protected CopyTextView messageBody;
protected ImageView contact_picture;
protected TextView status_message;
protected TextView encryption;

66
src/main/java/eu/siacs/conversations/ui/widget/CopyTextView.java Normal file
View File

@ -0,0 +1,66 @@
package eu.siacs.conversations.ui.widget;
import android.annotation.TargetApi;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.os.Build;
import android.util.AttributeSet;
import android.widget.TextView;
public class CopyTextView extends TextView {
public CopyTextView(Context context) {
super(context);
}
public CopyTextView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CopyTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@SuppressWarnings("unused")
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public CopyTextView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
public interface CopyHandler {
public String transformTextForCopy(CharSequence text, int start, int end);
}
private CopyHandler copyHandler;
public void setCopyHandler(CopyHandler copyHandler) {
this.copyHandler = copyHandler;
}
@Override
public boolean onTextContextMenuItem(int id) {
CharSequence text = getText();
int min = 0;
int max = text.length();
if (isFocused()) {
final int selStart = getSelectionStart();
final int selEnd = getSelectionEnd();
min = Math.max(0, Math.min(selStart, selEnd));
max = Math.max(0, Math.max(selStart, selEnd));
}
String textForCopy = null;
if (id == android.R.id.copy && copyHandler != null) {
textForCopy = copyHandler.transformTextForCopy(getText(), min, max);
}
try {
return super.onTextContextMenuItem(id);
} finally {
if (textForCopy != null) {
ClipboardManager clipboard = (ClipboardManager) getContext().
getSystemService(Context.CLIPBOARD_SERVICE);
clipboard.setPrimaryClip(ClipData.newPlainText(null, textForCopy));
}
}
}
}

2
src/main/res/layout/message_received.xml
View File

@ -49,7 +49,7 @@
android:background="@color/black87"
android:scaleType="centerCrop" />
<TextView
<eu.siacs.conversations.ui.widget.CopyTextView
android:id="@+id/message_body"
android:layout_width="wrap_content"
android:layout_height="wrap_content"

2
src/main/res/layout/message_sent.xml
View File

@ -50,7 +50,7 @@
android:longClickable="true"
android:scaleType="centerCrop" />
<TextView
<eu.siacs.conversations.ui.widget.CopyTextView
android:id="@+id/message_body"
android:layout_width="wrap_content"
android:layout_height="wrap_content"