Android/app/src/main/java/com/moiseum/wolnelektury/view/search/components/FiltersProgressFlowLayout.java

   1 package com.moiseum.wolnelektury.view.search.components;
   2
   3 import android.content.Context;
   4 import android.content.res.TypedArray;
   5 import android.graphics.Color;
   6 import android.graphics.PorterDuff;
   7 import android.support.annotation.NonNull;
   8 import android.support.annotation.Nullable;
   9 import android.support.v7.widget.AppCompatCheckBox;
  10 import android.util.AttributeSet;
  11 import android.view.LayoutInflater;
  12 import android.view.View;
  13 import android.widget.CompoundButton;
  14 import android.widget.ImageButton;
  15 import android.widget.ProgressBar;
  16 import android.widget.RelativeLayout;
  17 import android.widget.TextView;
  18
  19 import com.moiseum.wolnelektury.R;
  20 import com.moiseum.wolnelektury.connection.models.CategoryModel;
  21 import com.nex3z.flowlayout.FlowLayout;
  22
  23 import java.lang.ref.WeakReference;
  24 import java.util.ArrayList;
  25 import java.util.List;
  26
  27 import butterknife.BindView;
  28 import butterknife.ButterKnife;
  29 import butterknife.OnClick;
  30
  31 /**
  32  * Created by piotrostrowski on 26.11.2017.
  33  */
  34
  35 public class FiltersProgressFlowLayout extends RelativeLayout {
  36
  37         public interface FiltersProgressFlowLayoutRetryListener {
  38                 void onRetryClicked();
  39         }
  40
  41         @BindView(R.id.flList)
  42         FlowLayout flList;
  43         @BindView(R.id.tvEmpty)
  44         TextView tvEmpty;
  45         @BindView(R.id.pbLoading)
  46         ProgressBar pbLoading;
  47         @BindView(R.id.ibRetry)
  48         ImageButton ibRetry;
  49
  50         private List<CategoryModel> categories = new ArrayList<>();
  51         private CompoundButton.OnCheckedChangeListener checkChangeListener = new CompoundButton.OnCheckedChangeListener() {
  52                 @Override
  53                 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
  54                         for (CategoryModel category : categories) {
  55                                 String slug = (String) buttonView.getTag();
  56                                 if (slug.equals(category.getSlug())) {
  57                                         category.setChecked(isChecked);
  58                                         return;
  59                                 }
  60                         }
  61                 }
  62         };
  63         private FiltersProgressFlowLayoutRetryListener listener;
  64
  65         public FiltersProgressFlowLayout(@NonNull Context context) {
  66                 this(context, null);
  67         }
  68
  69         public FiltersProgressFlowLayout(@NonNull Context context, @Nullable AttributeSet attrs) {
  70                 this(context, attrs, 0);
  71         }
  72
  73         public FiltersProgressFlowLayout(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
  74                 super(context, attrs, defStyleAttr);
  75                 init(attrs);
  76         }
  77
  78         private void init(AttributeSet attrs) {
  79                 View view = LayoutInflater.from(getContext()).inflate(R.layout.progress_flowlayout, this, true);
  80                 ButterKnife.bind(this, view);
  81
  82                 TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.FiltersProgressFlowLayout);
  83                 try {
  84                         if (a.hasValue(R.styleable.FiltersProgressFlowLayout_emptyLayoutText)) {
  85                                 tvEmpty.setText(a.getString(R.styleable.FiltersProgressFlowLayout_emptyLayoutText));
  86                         }
  87                 } finally {
  88                         a.recycle();
  89                 }
  90         }
  91
  92         public void addCategories(List<CategoryModel> categories) {
  93                 this.categories = categories;
  94                 LayoutInflater inflater = LayoutInflater.from(getContext());
  95                 for (CategoryModel categoryModel : categories) {
  96                         AppCompatCheckBox checkBox = (AppCompatCheckBox) inflater.inflate(R.layout.checkbox, flList, false);
  97                         checkBox.setText(categoryModel.getName());
  98                         checkBox.setTag(categoryModel.getSlug());
  99                         checkBox.setChecked(categoryModel.isChecked());
 100                         checkBox.setOnCheckedChangeListener(checkChangeListener);
 101                         flList.addView(checkBox);
 102                 }
 103                 pbLoading.setVisibility(GONE);
 104                 flList.setVisibility(VISIBLE);
 105         }
 106
 107         public List<CategoryModel> getSelectedCategories() {
 108                 List<CategoryModel> selectedCategories = new ArrayList<>();
 109                 for (CategoryModel categoryModel : categories) {
 110                         if (categoryModel.isChecked()) {
 111                                 selectedCategories.add(categoryModel);
 112                         }
 113                 }
 114                 return selectedCategories;
 115         }
 116
 117         public void showRetryButton(FiltersProgressFlowLayoutRetryListener listener) {
 118                 this.listener = listener;
 119                 tvEmpty.setVisibility(GONE);
 120                 pbLoading.setVisibility(GONE);
 121                 ibRetry.setVisibility(VISIBLE);
 122         }
 123
 124         @OnClick(R.id.ibRetry)
 125         public void retryButtonClick() {
 126                 if (listener != null) {
 127                         listener.onRetryClicked();
 128                 }
 129                 ibRetry.setVisibility(GONE);
 130                 pbLoading.setVisibility(VISIBLE);
 131         }
 132 }