package com.snail.travellingTrail.newTravel.controller;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DownloadManager.Request;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.List;
import org.apache.http.client.methods.HttpHead;
import org.apache.http.entity.StringEntity;
import net.tsz.afinal.FinalHttp;
import net.tsz.afinal.http.AjaxCallBack;
import com.google.gson.Gson;
import com.snail.travellingTrail.R;
import com.snail.travellingTrail.common.RequestAddress;
import com.snail.travellingTrail.common.TravellingTrailApplication;
import com.snail.travellingTrail.common.utils.ToastHelper;
import com.snail.travellingTrail.common.wizard.model.AbstractWizardModel;
import com.snail.travellingTrail.common.wizard.model.ModelCallbacks;
import com.snail.travellingTrail.common.wizard.model.Page;
import com.snail.travellingTrail.common.wizard.model.ReviewItem;
import com.snail.travellingTrail.common.wizard.ui.PageFragmentCallbacks;
import com.snail.travellingTrail.common.wizard.ui.ReviewFragment;
import com.snail.travellingTrail.common.wizard.ui.StepPagerStrip;
import com.snail.travellingTrail.newTravel.model.CreateNewTravelModel;
public class CreateNewTravelActivity extends FragmentActivity implements
PageFragmentCallbacks, ReviewFragment.Callbacks, ModelCallbacks,
OnClickListener
{
private ViewPager mPager;
private MyPagerAdapter mPagerAdapter;
private boolean mEditingAfterReview;
private AbstractWizardModel mWizardModel = new CreateNewTravelModel(this);
private boolean mConsumePageSelectedEvent;
private Button mNextButton;
private Button mPrevButton;
private List<Page> mCurrentPageSequence;
private StepPagerStrip mStepPagerStrip;
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_create_new_travel);
if (savedInstanceState != null)
{
mWizardModel.load(savedInstanceState.getBundle("model"));
}
mWizardModel.registerListener(this);
mPagerAdapter = new MyPagerAdapter(getSupportFragmentManager());
mPager = (ViewPager) findViewById(R.id.pager);
mPager.setAdapter(mPagerAdapter);
mStepPagerStrip = (StepPagerStrip) findViewById(R.id.strip);
mStepPagerStrip
.setOnPageSelectedListener(new StepPagerStrip.OnPageSelectedListener()
{
@Override
public void onPageStripSelected(int position)
{
position = Math.min(mPagerAdapter.getCount() - 1,
position);
if (mPager.getCurrentItem() != position)
{
mPager.setCurrentItem(position);
}
}
});
mNextButton = (Button) findViewById(R.id.next_button);
mPrevButton = (Button) findViewById(R.id.prev_button);
mPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener()
{
@Override
public void onPageSelected(int position)
{
mStepPagerStrip.setCurrentPage(position);
if (mConsumePageSelectedEvent)
{
mConsumePageSelectedEvent = false;
return;
}
mEditingAfterReview = false;
updateBottomBar();
}
});
mNextButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view)
{
if (mPager.getCurrentItem() == mCurrentPageSequence.size())
{
DialogFragment dg = new DialogFragment()
{
@Override
public Dialog onCreateDialog(Bundle savedInstanceState)
{
return new AlertDialog.Builder(getActivity())
.setMessage(R.string.submit_confirm_message)
.setPositiveButton(
R.string.submit_confirm_button,
CreateNewTravelActivity.this)
.setNegativeButton(android.R.string.cancel,
CreateNewTravelActivity.this).create();
}
};
dg.show(getSupportFragmentManager(), "提交");
} else
{
if (mEditingAfterReview)
{
mPager.setCurrentItem(mPagerAdapter.getCount() - 1);
} else
{
mPager.setCurrentItem(mPager.getCurrentItem() + 1);
}
}
}
});
mPrevButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view)
{
mPager.setCurrentItem(mPager.getCurrentItem() - 1);
}
});
onPageTreeChanged();
updateBottomBar();
}
@Override
public void onPageTreeChanged()
{
mCurrentPageSequence = mWizardModel.getCurrentPageSequence();
recalculateCutOffPage();
mStepPagerStrip.setPageCount(mCurrentPageSequence.size() + 1); // + 1 =
// review
// step
mPagerAdapter.notifyDataSetChanged();
updateBottomBar();
}
private void updateBottomBar()
{
int position = mPager.getCurrentItem();
if (position == mCurrentPageSequence.size())
{
mNextButton.setText(R.string.finish);
mNextButton.setBackgroundResource(R.drawable.finish_background);
} else
{
mNextButton.setText(mEditingAfterReview ? R.string.review
: R.string.next);
mNextButton
.setBackgroundResource(R.drawable.selectable_item_background);
TypedValue v = new TypedValue();
getTheme().resolveAttribute(android.R.attr.textAppearanceMedium, v,
true);
mNextButton.setTextAppearance(this, v.resourceId);
mNextButton.setEnabled(position != mPagerAdapter.getCutOffPage());
}
mPrevButton
.setVisibility(position <= 0 ? View.INVISIBLE : View.VISIBLE);
}
@Override
protected void onDestroy()
{
super.onDestroy();
mWizardModel.unregisterListener(this);
}
@Override
protected void onSaveInstanceState(Bundle outState)
{
super.onSaveInstanceState(outState);
outState.putBundle("model", mWizardModel.save());
}
@Override
public AbstractWizardModel onGetModel()
{
return mWizardModel;
}
@Override
public void onEditScreenAfterReview(String key)
{
for (int i = mCurrentPageSequence.size() - 1; i >= 0; i--)
{
if (mCurrentPageSequence.get(i).getKey().equals(key))
{
mConsumePageSelectedEvent = true;
mEditingAfterReview = true;
mPager.setCurrentItem(i);
updateBottomBar();
break;
}
}
}
@Override
public void onPageDataChanged(Page page)
{
if (page.isRequired())
{
if (recalculateCutOffPage())
{
mPagerAdapter.notifyDataSetChanged();
updateBottomBar();
}
}
}
@Override
public Page onGetPage(String key)
{
return mWizardModel.findByKey(key);
}
private boolean recalculateCutOffPage()
{
int cutOffPage = mCurrentPageSequence.size() + 1;
for (int i = 0; i < mCurrentPageSequence.size(); i++)
{
Page page = mCurrentPageSequence.get(i);
if (page.isRequired() && !page.isCompleted())
{
cutOffPage = i;
break;
}
}
if (mPagerAdapter.getCutOffPage() != cutOffPage)
{
mPagerAdapter.setCutOffPage(cutOffPage);
return true;
}
return false;
}
public class MyPagerAdapter extends FragmentStatePagerAdapter
{
private int mCutOffPage;
private Fragment mPrimaryItem;
private ReviewFragment reviewFragment;
public MyPagerAdapter(FragmentManager fm)
{
super(fm);
}
@Override
public Fragment getItem(int i)
{
if (i >= mCurrentPageSequence.size())
{
reviewFragment = new ReviewFragment();
return reviewFragment;
}
return mCurrentPageSequence.get(i).createFragment();
}
public ReviewFragment getReviewFragment()
{
return reviewFragment;
}
@Override
public int getItemPosition(Object object)
{
if (object == mPrimaryItem)
{
return POSITION_UNCHANGED;
}
return POSITION_NONE;
}
@Override
public void setPrimaryItem(ViewGroup container, int position,
Object object)
{
super.setPrimaryItem(container, position, object);
mPrimaryItem = (Fragment) object;
}
@Override
public int getCount()
{
if (mCurrentPageSequence == null)
{
return 0;
}
return Math.min(mCutOffPage + 1, mCurrentPageSequence.size() + 1);
}
public void setCutOffPage(int cutOffPage)
{
if (cutOffPage < 0)
{
cutOffPage = Integer.MAX_VALUE;
}
mCutOffPage = cutOffPage;
}
public int getCutOffPage()
{
return mCutOffPage;
}
}
@Override
public void onClick(DialogInterface dialog, int which)
{
switch (which)
{
case Dialog.BUTTON_POSITIVE:
ToastHelper.showToast(CreateNewTravelActivity.this, "创建旅程中...", Toast.LENGTH_SHORT);
createTravel();
break;
default:
break;
}
}
private void createTravel()
{
FinalHttp finalHttp = new FinalHttp();
ReviewFragment reviewFragment = mPagerAdapter.getReviewFragment();
List<ReviewItem> reviewItems = reviewFragment.getReviewItems();
HashMap<String, String> hashMap = new HashMap<String, String>();
for (ReviewItem reviewItem : reviewItems)
{
hashMap.put(reviewItem.getPageKey(), reviewItem.getDisplayValue());
}
hashMap.put("Trvl_Us_Id", String.valueOf(TravellingTrailApplication.loginUser.getUs_Info_Us_Id()));
Gson gson = new Gson();
StringEntity jsonEntity;
try
{
String jsonString = gson.toJson(hashMap);
jsonString = new String(jsonString.getBytes(), "8859_1");
jsonEntity = new StringEntity(jsonString);
Log.v("createTravel---->jsonString", jsonString);
finalHttp.post(RequestAddress.CREATE_NEW_TRAVEL, jsonEntity, "application/json",
new AjaxCallBack<String>()
{
@Override
public void onSuccess(String t)
{
ToastHelper.showToast(CreateNewTravelActivity.this, "创建成功！", Toast.LENGTH_SHORT);
finish();
}
@Override
public void onFailure(Throwable t, int errorNo,
String strMsg)
{
ToastHelper.showToast(
CreateNewTravelActivity.this,
"创建失败！错误代码：" + errorNo + "；错误信息：" + strMsg,
Toast.LENGTH_SHORT);
}
}
);
} catch (UnsupportedEncodingException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}