Added Android code

[wl-app.git] / Android / folioreader / src / main / java / com / folioreader / ui / tableofcontents / adapter / TOCAdapter.java

diff --git a/Android/folioreader/src/main/java/com/folioreader/ui/tableofcontents/adapter/TOCAdapter.java b/Android/folioreader/src/main/java/com/folioreader/ui/tableofcontents/adapter/TOCAdapter.java
new file mode 100755 (executable)
index 0000000..cef0421
--- /dev/null
+++ b/Android/folioreader/src/main/java/com/folioreader/ui/tableofcontents/adapter/TOCAdapter.java
@@ -0,0 +1,161 @@
+package com.folioreader.ui.tableofcontents.adapter;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.folioreader.Config;
+import com.folioreader.R;
+import com.folioreader.model.TOCLinkWrapper;
+import com.folioreader.util.MultiLevelExpIndListAdapter;
+
+import java.util.ArrayList;
+
+/**
+ * Created by mahavir on 3/10/17.
+ */
+
+public class TOCAdapter extends MultiLevelExpIndListAdapter {
+
+    private static final int LEVEL_ONE_PADDING_PIXEL = 15;
+
+    private TOCCallback callback;
+    private final Context mContext;
+    private String selectedHref;
+    private Config mConfig;
+
+    public TOCAdapter(Context context, ArrayList<TOCLinkWrapper> tocLinkWrappers, String selectedHref, Config config) {
+        super(tocLinkWrappers);
+        mContext = context;
+        this.selectedHref = selectedHref;
+        this.mConfig = config;
+    }
+
+    public void setCallback(TOCCallback callback) {
+        this.callback = callback;
+    }
+
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        return new TOCRowViewHolder(LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.row_table_of_contents, parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
+        TOCRowViewHolder viewHolder = (TOCRowViewHolder) holder;
+        TOCLinkWrapper tocLinkWrapper = (TOCLinkWrapper) getItemAt(position);
+
+        if (tocLinkWrapper.getChildren() == null || tocLinkWrapper.getChildren().isEmpty()) {
+            viewHolder.children.setVisibility(View.INVISIBLE);
+        } else {
+            viewHolder.children.setVisibility(View.VISIBLE);
+        }
+        viewHolder.sectionTitle.setText(tocLinkWrapper.getTocLink().bookTitle);
+
+        if(mConfig.isNightMode()) {
+            if (tocLinkWrapper.isGroup()) {
+                viewHolder.children.setImageResource(R.drawable.ic_plus_white_24dp);
+            } else {
+                viewHolder.children.setImageResource(R.drawable.ic_minus_white_24dp);
+            }
+        } else {
+            if (tocLinkWrapper.isGroup()) {
+                viewHolder.children.setImageResource(R.drawable.ic_plus_black_24dp);
+            } else {
+                viewHolder.children.setImageResource(R.drawable.ic_minus_black_24dp);
+            }
+        }
+
+//        int leftPadding = getPaddingPixels(mContext, LEVEL_ONE_PADDING_PIXEL) * (tocLinkWrapper.getIndentation());
+//        viewHolder.view.setPadding(leftPadding, 0, 0, 0);
+
+        // set color to each indentation level
+        if (tocLinkWrapper.getIndentation() == 0) {
+            viewHolder.view.setBackgroundColor(Color.WHITE);
+            viewHolder.sectionTitle.setTextColor(Color.BLACK);
+        } else if (tocLinkWrapper.getIndentation() == 1) {
+            viewHolder.view.setBackgroundColor(Color.parseColor("#f7f7f7"));
+            viewHolder.sectionTitle.setTextColor(Color.BLACK);
+        } else if (tocLinkWrapper.getIndentation() == 2) {
+            viewHolder.view.setBackgroundColor(Color.parseColor("#b3b3b3"));
+            viewHolder.sectionTitle.setTextColor(Color.WHITE);
+        } else if (tocLinkWrapper.getIndentation() == 3) {
+            viewHolder.view.setBackgroundColor(Color.parseColor("#f7f7f7"));
+            viewHolder.sectionTitle.setTextColor(Color.BLACK);
+        }
+
+        if (tocLinkWrapper.getChildren() == null || tocLinkWrapper.getChildren().isEmpty()) {
+            viewHolder.children.setVisibility(View.INVISIBLE);
+        } else {
+            viewHolder.children.setVisibility(View.VISIBLE);
+        }
+
+        if(mConfig.isNightMode()){
+            viewHolder.container.setBackgroundColor(ContextCompat.getColor(mContext,
+                    R.color.dark_night));
+            viewHolder.children.setBackgroundColor(ContextCompat.getColor(mContext,
+                    R.color.dark_night));
+            viewHolder.sectionTitle.setTextColor(ContextCompat.getColor(mContext,
+                    R.color.white));
+        } else {
+            viewHolder.container.setBackgroundColor(ContextCompat.getColor(mContext,
+                    R.color.white));
+            viewHolder.children.setBackgroundColor(ContextCompat.getColor(mContext,
+                    R.color.white));
+            viewHolder.sectionTitle.setTextColor(ContextCompat.getColor(mContext,
+                    R.color.black));
+        }
+        if (tocLinkWrapper.getTocLink().href.equals(selectedHref)) {
+            viewHolder.sectionTitle.setTextColor(ContextCompat.getColor(mContext, mConfig.getThemeColor()));
+        }
+    }
+
+    public interface TOCCallback {
+        void onTocClicked(int position);
+
+        void onExpanded(int position);
+    }
+
+    public class TOCRowViewHolder extends RecyclerView.ViewHolder {
+        public ImageView children;
+        TextView sectionTitle;
+        private LinearLayout container;
+        private View view;
+
+        TOCRowViewHolder(View itemView) {
+            super(itemView);
+            view = itemView;
+            children = (ImageView) itemView.findViewById(R.id.children);
+            container = (LinearLayout) itemView.findViewById(R.id.container);
+            children.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (callback != null) callback.onExpanded(getAdapterPosition());
+                }
+            });
+
+            sectionTitle = (TextView) itemView.findViewById(R.id.section_title);
+            view.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (callback != null) callback.onTocClicked(getAdapterPosition());
+                }
+            });
+        }
+    }
+
+    private static int getPaddingPixels(Context context, int dpValue) {
+        // Get the screen's density scale
+        final float scale = context.getResources().getDisplayMetrics().density;
+        // Convert the dps to pixels, based on density scale
+        return (int) (dpValue * scale + 0.5f);
+    }
+}