co.uk.alt236.restclient4android.fragments.FragmentHeaders.java Source code

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/*******************************************************************************
 * Copyright 2012 Alexandros Schillings
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package co.uk.alt236.restclient4android.fragments;

import android.app.Dialog;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v4.view.Menu;
import android.support.v4.view.MenuItem;
import android.util.Log;
import android.util.Pair;
import android.view.MenuInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
import co.uk.alt236.restclient4android.R;
import co.uk.alt236.restclient4android.RestClient4AndroidApplication;
import co.uk.alt236.restclient4android.adapters.HeadersListAdapter;

public class FragmentHeaders extends ListFragment implements RestRequestFragmentInterface {
    private final String TAG = this.getClass().getName();
    // This is the Adapter being used to display the list's data.
    HeadersListAdapter mAdapter;

    @Override
    public int getType() {
        return FRAGMENT_TYPE_HEADERS;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {

        case R.id.menu_add_header:
            URLPreviewDialog(-1, true);
            return true;
        }

        return false;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        setEmptyText("No headers");

        // We have a menu item to show in action bar.
        setHasOptionsMenu(true);

        mAdapter = new HeadersListAdapter(getActivity(), android.R.id.text1,
                RestClient4AndroidApplication.getRequest().getRequestHeaders());

        setListAdapter(mAdapter);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.menu_fragment_headers, menu);
        super.onCreateOptionsMenu(menu, inflater);

    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        URLPreviewDialog((Integer) v.getTag(), false);
    }

    @Override
    public void updateRequest() {
        Log.d(TAG, "^ updateRequest()");
    }

    Dialog headerDialog;

    private void URLPreviewDialog(final int headerIndex, final boolean newHeader) {

        headerDialog = new Dialog(getActivity());
        headerDialog.setContentView(R.layout.dialog_add_header);

        final EditText editHeaderName = (EditText) headerDialog.findViewById(R.id.editHeaderName);
        final EditText editHeaderValue = (EditText) headerDialog.findViewById(R.id.editHeaderValue);

        Button cancel = (Button) headerDialog.findViewById(R.id.btnCancel);
        Button save = (Button) headerDialog.findViewById(R.id.btnSave);
        Button delete = (Button) headerDialog.findViewById(R.id.btnDelete);

        if (newHeader) {
            delete.setVisibility(View.GONE);
            headerDialog.setTitle("New header");
        } else {
            headerDialog.setTitle("Edit header");
            Pair<String, String> header = RestClient4AndroidApplication.getRequest().getRequestHeaders()
                    .get(headerIndex);

            editHeaderName.setText(header.first);
            editHeaderValue.setText(header.second);
        }

        save.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                boolean res = saveHeader(headerIndex, editHeaderName.getText().toString(),
                        editHeaderValue.getText().toString());
                if (res) {
                    headerDialog.dismiss();
                }
            }
        });

        cancel.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                headerDialog.dismiss();
            }
        });

        delete.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                RestClient4AndroidApplication.getRequest().getRequestHeaders().remove(headerIndex);
                mAdapter.notifyDataSetChanged();
                Log.d(TAG, "^ HEADERS: " + mAdapter.getCount());
                headerDialog.dismiss();
            }
        });

        headerDialog.show();
    }

    private boolean saveHeader(int index, String name, String value) {
        name = name.trim();
        value = value.trim();

        if (name.length() > 0) {
            Pair<String, String> header = new Pair<String, String>(name, value);

            if (index > 0) {
                RestClient4AndroidApplication.getRequest().getRequestHeaders().set(index, header);
            } else {
                RestClient4AndroidApplication.getRequest().getRequestHeaders().add(header);
            }

            mAdapter.notifyDataSetChanged();
            Log.d(TAG, "^ HEADERS: " + mAdapter.getCount());

            return true;
        } else {
            Toast.makeText(getActivity(), "A header must have a name!", Toast.LENGTH_SHORT);
            return false;
        }
    }

}