com.lwz.searchbar.demo.MainActivity.java Source code

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Here is the source code for com.lwz.searchbar.demo.MainActivity.java

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/*******************************************************************************
* Copyright 2014, 2015 Liu Wenzhu
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
 *******************************************************************************/
package com.lwz.searchbar.demo;

import java.util.ArrayList;

import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;

import com.lwz.letterbarview.lib.LetterBarView;
import com.lwz.letterbarview.lib.LetterBarView.OnLetterSelectListener;
import com.lwz.searchbar.demo.BankFilter.OnPublishFilterResultsListener;
import com.lwz.searchbar.demo.IndexAdapter.OnItemClickListenerWrapper;
import com.lwz.widget.searchbar.SearchBarView;
import com.lwz.widget.searchbar.SearchBarView.SimpleSearchBarStateChangedListener;

public class MainActivity extends FragmentActivity
        implements OnLetterSelectListener, OnItemClickListener, OnPublishFilterResultsListener {

    public static final String[] LETTERS = { "", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
            "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };

    public static final String PROPERTY_ON_ITEM_CLICK = "onItemClick";
    public static final String PROPERTY_BANK_DATA = "bank_data";

    LetterBarView mLetterBarView;
    ListView mBankList;
    BankIndexAdapter mBankIndexAdapter;

    SearchBarView mSearchBar;
    ViewGroup mSearchResultContainer;
    ListView mSearchResultList; // ? list
    BankSearchResultAdapter mSearchResultAdapter;

    @Override
    protected void onCreate(Bundle arg0) {
        super.onCreate(arg0);
        setContentView(R.layout.activity_main);

        mSearchBar = (SearchBarView) findViewById(R.id.searchbar);
        mLetterBarView = (LetterBarView) findViewById(R.id.letterbar);
        mLetterBarView.setOverlayOffset(0, -200);
        mBankList = (ListView) findViewById(R.id.bank_list);
        mBankIndexAdapter = new BankIndexAdapter(this);
        mBankIndexAdapter.setOnPublishFilterResultsListener(this);
        mBankList.setAdapter(mBankIndexAdapter);
        mBankList.setOnItemClickListener(new OnItemClickListenerWrapper(this));

        mLetterBarView.setLetterSet(LETTERS);

        mSearchResultContainer = (ViewGroup) findViewById(R.id.search_result_container);
        mSearchResultList = (ListView) findViewById(R.id.search_result_list);
        mSearchResultAdapter = new BankSearchResultAdapter(this);
        mSearchResultList.setAdapter(mSearchResultAdapter);
        mSearchResultList.setOnItemClickListener(this);

        mLetterBarView.setOnLetterSelectListener(this);
        mSearchBar.setOnSearchBarStateChnagedListener(new SimpleSearchBarStateChangedListener() {

            @Override
            public void onPrepareSearch(EditText searchEidt) {
                showSearchResultContainer();
            }

            @Override
            public void onCancel(EditText searchEidt) {
                dismissSearchResultContainer();
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                onSearchContentChanged(s.toString());
            }

        });

        // ?? asset/bank 
        mBankIndexAdapter.updateData(BankUtils.loadHotBank(getAssets()));
    }

    @Override
    public void onLetterSelect(String s) {
        if (!s.equals("")) {
            mBankList.setSelection(mBankIndexAdapter.getIndexPosition(s));
        } else {
            mBankList.setSelection(0);
        }
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Object itemData = parent.getItemAtPosition(position);
        if (itemData instanceof Bank) {
            Toast.makeText(this, ((Bank) itemData).name, Toast.LENGTH_SHORT).show();
        }
    }

    private void showSearchResultContainer() {
        mSearchResultContainer.setVisibility(View.VISIBLE);
        // ??
        mSearchResultContainer.setClickable(true);
    }

    private void dismissSearchResultContainer() {
        mSearchResultContainer.setVisibility(View.INVISIBLE);
    }

    private void onSearchContentChanged(String text) {
        if (TextUtils.isEmpty(text)) {
            mSearchResultAdapter.clear();
            mSearchResultList.setBackgroundColor(Color.parseColor("#77000000"));
            return;
        }
        mSearchResultList.setBackgroundColor(Color.WHITE);
        mBankIndexAdapter.filter(text);
    }

    @Override
    public void onPublishResults(CharSequence constraint, ArrayList<Bank> results) {
        mSearchResultAdapter.update(results);
    }

    public void setBankData(ArrayList<Bank> data) {
        mBankIndexAdapter.appendData(data);
    }
}