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Add preferences ui for the library categories setting

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This commit is contained in:
Marco Hunsicker 2017-12-23 17:12:08 +01:00
commit 70e6c76064
10 changed files with 468 additions and 0 deletions
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205
app/src/main/java/com/kabouzeid/gramophone/adapter/CategoryAdapter.java Normal file
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package com.kabouzeid.gramophone.adapter;
import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.helper.ItemTouchHelper;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.TextView;
import com.kabouzeid.appthemehelper.ThemeStore;
import com.kabouzeid.gramophone.R;
import com.kabouzeid.gramophone.util.SwipeAndDragHelper;
import com.kabouzeid.gramophone.model.Category;
import java.util.ArrayList;
public class CategoryAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements SwipeAndDragHelper.ActionCompletionContract {
private ArrayList<Category> categories;
private ItemTouchHelper touchHelper;
private ColorStateList color;
public CategoryAdapter(ArrayList<Category> categories, ColorStateList color) {
this.categories = copy(categories);
this.color = color;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.preference_dialog_library_categories_listitem, parent, false);
return new CategoryViewHolder(view);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
Category category = categories.get(position);
CategoryViewHolder h = (CategoryViewHolder) holder;
h.checkBox.setChecked(category.visible);
h.title.setText(h.title.getResources().getString(category.id.key));
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {
h.checkBox.setButtonTintList(color);
} else {
Drawable checkDrawable =
ContextCompat.getDrawable(h.checkBox.getContext(), R.drawable.abc_btn_check_material);
Drawable drawable = DrawableCompat.wrap(checkDrawable);
DrawableCompat.setTintList(drawable, color);
h.checkBox.setButtonDrawable(drawable);
}
h.checkBox.setOnClickListener((view) -> {
h.checkBox.setChecked(category.visible = !category.visible);
notifyDataSetChanged();
}
);
h.title.setOnClickListener((view) -> {
h.checkBox.setChecked(category.visible = !category.visible);
notifyDataSetChanged();
}
);
h.dragHandle.setOnTouchListener((view, event) -> {
if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
touchHelper.startDrag(h);
}
return false;
}
);
Context context = h.dragHandle.getContext();
int backgroundColor = ThemeStore.textColorSecondary(context);
int borderColor = ThemeStore.textColorSecondaryInverse(context);
int height = getPixel(1, h.dragHandle);
GradientDrawable d = new GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, new int[]{Color.RED, Color.RED});
d.setStroke(height, backgroundColor);
d.setSize(height * 4, getPixel(16, h.dragHandle));
h.dragHandle.setBackground(new DragHandle(h.dragHandle.getResources().getDisplayMetrics().density, backgroundColor, borderColor));
}
private static class DragHandle extends Drawable {
private float density;
private Paint shape;
private Paint outline;
public DragHandle(float density, int color, int borderColor) {
this.shape = new Paint();
this.shape.setStyle(Paint.Style.FILL);
this.shape.setColor(color);
this.outline = new Paint();
this.outline.setAntiAlias(true);
this.outline.setStyle(Paint.Style.STROKE);
this.outline.setColor(borderColor);
this.density = density;
}
@Override
public void draw(@NonNull Canvas canvas) {
Rect bounds = getBounds();
int left = bounds.left + 1;
int top = bounds.top + 1;
int width = bounds.width() - 1;
canvas.save();
canvas.translate(1, 1);
canvas.drawRect(left, top, width, top + 2 * density, shape);
canvas.drawRect(left, top, width, top + 2 * density, outline);
canvas.translate(0, (density * 2) * 2);
canvas.drawRect(left, top, width, top + 2 * density, shape);
canvas.drawRect(left, top, width, top + 2 * density, outline);
canvas.restore();
}
@Override
public void setAlpha(int i) {
}
@Override
public void setColorFilter(@Nullable ColorFilter filter) {
}
@Override
public int getOpacity() {
return PixelFormat.TRANSLUCENT;
}
}
@Override
public int getItemCount() {
return categories.size();
}
@Override
public int getItemViewType(int position) {
return 1;
}
public void setCategories(ArrayList<Category> categories) {
this.categories = copy(categories);
notifyDataSetChanged();
}
@Override
public void onViewMoved(int oldPosition, int newPosition) {
Category category = categories.get(oldPosition);
categories.remove(oldPosition);
categories.add(newPosition, category);
notifyItemMoved(oldPosition, newPosition);
}
public void setTouchHelper(ItemTouchHelper touchHelper) {
this.touchHelper = touchHelper;
}
public ArrayList<Category> getCategories() {
return categories;
}
private ArrayList<Category> copy(ArrayList<Category> categories) {
ArrayList<Category> result = new ArrayList<>();
for (Category category : categories) {
result.add(new Category(category));
}
return result;
}
private int getPixel(float dp, View dragHandle) {
return Math.round(dp * dragHandle.getResources().getDisplayMetrics().density);
}
private static class CategoryViewHolder extends RecyclerView.ViewHolder {
public CheckBox checkBox;
public TextView title;
public View dragHandle;
public CategoryViewHolder(View view) {
super(view);
checkBox = view.findViewById(R.id.checkbox);
title = view.findViewById(R.id.title);
dragHandle = view.findViewById(R.id.drag_handle);
}
}
}