curretnlado

1 files changed, 172 insertions, 0 deletions

diff --git a/vdrmanager/de.bjusystems.vdrmanager/src/main/java/com/rajasharan/widget/RecyclerDropdown.java b/vdrmanager/de.bjusystems.vdrmanager/src/main/java/com/rajasharan/widget/RecyclerDropdown.java
new file mode 100644
index 0000000..d515809
--- /dev/null
+++ b/vdrmanager/de.bjusystems.vdrmanager/src/main/java/com/rajasharan/widget/RecyclerDropdown.java
@@ -0,0 +1,172 @@
+package com.rajasharan.widget;
+
+import android.content.Context;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.AttributeSet;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import de.bjusystems.vdrmanager.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by rajasharan on 8/28/15.
+ */
+public class RecyclerDropdown extends RecyclerView {
+    private static final String TAG = "RecyclerDropdown";
+    private static final CharSequence [] EMPTY_LIST = new CharSequence[] {Adapter.EMPTY_TEXT};
+
+    private CharSequence [] mList;
+    private CharSequence [] mOriginalList;
+    private Adapter mAdapter;
+    private OnClickListener mListener;
+
+    public RecyclerDropdown(Context context) {
+        this(context, null);
+    }
+
+    public RecyclerDropdown(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public RecyclerDropdown(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        mAdapter = new Adapter();
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        setDropdownList(null);
+        setAdapter(mAdapter);
+        setLayoutManager(new LinearLayoutManager(getContext(), LinearLayoutManager.VERTICAL, false));
+        //addItemDecoration(new BitmapDecorator(getContext()));
+        addItemDecoration(new ShadowDecorator(getContext()));
+    }
+
+    public void setDropdownList(CharSequence [] list) {
+        if (list == null) {
+            mList = EMPTY_LIST;
+        } else {
+            mList = list;
+        }
+        mAdapter.init(mList);
+        mAdapter.notifyDataSetChanged();
+        //scrollToPosition(mList.length / 2);
+    }
+
+    public void filter(String str) {
+        if (mOriginalList == null) {
+            mOriginalList = mList.clone();
+        }
+        if (str != null && str.trim().length() != 0) {
+            List<CharSequence> list = new ArrayList<>();
+            for (CharSequence cs : mOriginalList) {
+                if (cs.toString().toUpperCase().contains(str.toUpperCase())) {
+                    list.add(cs);
+                }
+            }
+            if (list.size() == 0) {
+                mList = EMPTY_LIST;
+            } else {
+                mList = list.toArray(new CharSequence[list.size()]);
+            }
+        }
+        else {
+            mList = mOriginalList;
+        }
+        setDropdownList(mList);
+    }
+
+    private static class Adapter extends RecyclerView.Adapter<Holder> {
+        private static final int NORMAL_TYPE = 1;
+        private static final int EMPTY_TYPE = 2;
+        private static final int BUFFER_TYPE = 3;
+
+        private static final String EMPTY_TEXT = "NO ITEMS";
+        private static final String BUFFER_ITEM = "BUFFER ITEM";
+
+        private CharSequence [] mList;
+
+        public void init(CharSequence [] list) {
+            mList = new CharSequence[list.length+4];
+            mList[0] = BUFFER_ITEM;
+            mList[1] = BUFFER_ITEM;
+            System.arraycopy(list, 0, mList, 2, list.length);
+            mList[mList.length-1] = BUFFER_ITEM;
+            mList[mList.length-2] = BUFFER_ITEM;
+        }
+        @Override
+        public Holder onCreateViewHolder(ViewGroup viewGroup, int type) {
+            LayoutInflater inflater = (LayoutInflater) viewGroup.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            View view;
+            switch (type) {
+                case NORMAL_TYPE: {
+                    view = inflater.inflate(R.layout.recycler_itemviews, viewGroup, false);
+                    break;
+                }
+                case EMPTY_TYPE: {
+                    view = inflater.inflate(R.layout.recycler_itemviews, viewGroup, false);
+                    Holder holder = new Holder(view);
+                    holder.mTextView.setGravity(Gravity.CENTER);
+                    view.setTag(R.id.text, EMPTY_TEXT);
+                    return holder;
+                }
+                default /*BUFFER_TYPE*/ : {
+                    view = inflater.inflate(R.layout.recycler_buffer_item, viewGroup, false);
+                    Holder holder = new Holder(view);
+                    return holder;
+                }
+            }
+            Holder holder = new Holder(view);
+            holder.mTextView.setGravity(Gravity.CENTER);
+            return holder;
+        }
+        @Override
+        public void onBindViewHolder(Holder holder, int pos) {
+            if (mList[pos % mList.length].toString().equals(BUFFER_ITEM)) {
+                return;
+            }
+            holder.mTextView.setText(mList[pos % mList.length]);
+        }
+        @Override
+        public int getItemCount() {
+            return mList.length;
+        }
+
+        @Override
+        public int getItemViewType(int position) {
+            if (mList[position % mList.length].toString().equals(EMPTY_TEXT)) {
+                return EMPTY_TYPE;
+            }
+            if (mList[position % mList.length].toString().equals(BUFFER_ITEM)) {
+                return BUFFER_TYPE;
+            }
+            return NORMAL_TYPE;
+        }
+    }
+
+    private static class Holder extends ViewHolder {
+        private TextView mTextView;
+        public Holder(View itemView) {
+            super(itemView);
+            if (itemView instanceof TextView) {
+                mTextView = (TextView) itemView;
+            }
+        }
+    }
+
+    public void setOnClickListener(OnClickListener listener) {
+        mListener = listener;
+    }
+
+    public OnClickListener getOnClickListener() {
+        return mListener;
+    }
+
+}