Files
arcanechat-android/MessengerProj/src/main/java/com/b44t/messenger/Components/EmptyTextProgressView.java
T
2017-10-22 13:31:11 +02:00

127 lines
4.0 KiB
Java

/*******************************************************************************
*
* Delta Chat Android
* (C) 2013-2016 Nikolai Kudashov
* (C) 2017 Björn Petersen
* Contact: r10s@b44t.com, http://b44t.com
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see http://www.gnu.org/licenses/ .
*
******************************************************************************/
package com.b44t.messenger.Components;
import android.content.Context;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.b44t.messenger.AndroidUtilities;
import com.b44t.messenger.R;
public class EmptyTextProgressView extends FrameLayout {
private TextView textView;
private ProgressBar progressBar;
private boolean inLayout;
private boolean showAtCenter;
public EmptyTextProgressView(Context context) {
super(context);
progressBar = new ProgressBar(context);
progressBar.setVisibility(INVISIBLE);
addView(progressBar, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT));
textView = new TextView(context);
textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 20);
textView.setTextColor(0xff959595);
textView.setGravity(Gravity.CENTER);
textView.setVisibility(INVISIBLE);
textView.setPadding(AndroidUtilities.dp(20), 0, AndroidUtilities.dp(20), 0);
textView.setText(context.getString(R.string.NoResult));
addView(textView, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT));
setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
return true;
}
});
}
public void showProgress() {
textView.setVisibility(INVISIBLE);
progressBar.setVisibility(VISIBLE);
}
public void showTextView() {
textView.setVisibility(VISIBLE);
progressBar.setVisibility(INVISIBLE);
}
public void setText(String text) {
textView.setText(text);
}
public void setTextSize(int size) {
textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, size);
}
public void setShowAtCenter(boolean value) {
showAtCenter = value;
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
inLayout = true;
int width = r - l;
int height = b - t;
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
View child = getChildAt(i);
if (child.getVisibility() == GONE) {
continue;
}
int x = (width - child.getMeasuredWidth()) / 2;
int y;
if (showAtCenter) {
y = (height / 2 - child.getMeasuredHeight()) / 2;
} else {
y = (height - child.getMeasuredHeight()) / 2;
}
child.layout(x, y, x + child.getMeasuredWidth(), y + child.getMeasuredHeight());
}
inLayout = false;
}
@Override
public void requestLayout() {
if (!inLayout) {
super.requestLayout();
}
}
@Override
public boolean hasOverlappingRendering() {
return false;
}
}