Java tutorial
/* * Copyright (C) 2012-2016 The Android Money Manager Ex Project Team * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 3 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.money.manager.ex.assetallocation; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.text.Editable; import android.text.TextWatcher; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.EditText; import android.widget.TextView; import com.money.manager.ex.Constants; import com.money.manager.ex.R; import com.money.manager.ex.assetallocation.list.AssetClassListActivity; import com.money.manager.ex.common.Calculator; import com.money.manager.ex.core.RequestCodes; import com.money.manager.ex.domainmodel.AssetClass; import com.money.manager.ex.servicelayer.AssetAllocationService; import info.javaperformance.money.Money; import info.javaperformance.money.MoneyFactory; /** * Fragment for editing an asset class. */ public class AssetClassEditFragment extends Fragment { public static final int CONTEXT_MENU_DELETE = 1; public static final int REQUEST_ASSET_CLASS_PARENT = 1; public AssetClassEditFragment() { } public AssetClass assetClass; private AssetClassEditViewHolder viewHolder; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_asset_class_edit, container, false); this.viewHolder = new AssetClassEditViewHolder(view); return view; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); if (this.assetClass == null) { this.assetClass = AssetClass.create(""); } View view = getView(); initializeParentEdit(view); initializeNameEdit(view); initializeAllocationPicker(); initializeSortOrderInput(view); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode != Activity.RESULT_OK || data == null) return; Money amount; switch (requestCode) { case RequestCodes.ASSET_CLASS: int id = data.getIntExtra(AssetClassListActivity.EXTRA_ASSET_CLASS_ID, Constants.NOT_SET); if (id == Constants.NOT_SET) return; // set the parent for the current item this.assetClass.setParentId(id); // refresh the view. displayParent(); break; case RequestCodes.ALLOCATION: amount = Calculator.getAmountFromResult(data); assetClass.setAllocation(amount); displayAllocation(); break; case RequestCodes.SORT_ORDER: amount = Calculator.getAmountFromResult(data); int value = Integer.valueOf(amount.truncate(0).toString()); assetClass.setSortOrder(value); displaySortOrder(); break; } } /* Private */ private void initializeNameEdit(View view) { final EditText edit = (EditText) view.findViewById(R.id.nameEdit); if (edit == null) return; edit.setText(assetClass.getName()); edit.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { } @Override public void afterTextChanged(Editable s) { // edit.getText().toString() String newValue = s.toString(); assetClass.setName(newValue); } }); } private void initializeAllocationPicker() { TextView view = viewHolder.allocationTextView; if (view == null) return; view.setText(assetClass.getAllocation().toString()); TextDrawable1 drawable = new TextDrawable1("%", 32.0f); view.setCompoundDrawables(drawable, null, null, null); view.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Calculator.forFragment(AssetClassEditFragment.this).amount(assetClass.getAllocation()) .show(RequestCodes.ALLOCATION); } }); } private void initializeParentEdit(View view) { TextView edit = (TextView) view.findViewById(R.id.parentAssetClass); if (edit == null) return; View.OnClickListener onClickListener = new View.OnClickListener() { @Override public void onClick(View v) { // show asset allocation selector. // send the allocation id to exclude from the selection list. Intent intent = new Intent(getContext(), AssetClassListActivity.class); intent.putExtra(AssetClassListActivity.EXTRA_ASSET_CLASS_ID, assetClass.getId()); startActivityForResult(intent, REQUEST_ASSET_CLASS_PARENT); } }; // allow changing parent only on existing items if (getActivity().getIntent().getAction().equals(Intent.ACTION_EDIT)) { edit.setOnClickListener(onClickListener); } displayParent(); } private void initializeSortOrderInput(View view) { TextView textView = (TextView) view.findViewById(R.id.sortOrderEdit); if (textView == null) return; textView.setText(assetClass.getSortOrder().toString()); textView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Money number = MoneyFactory.fromString(Integer.toString(assetClass.getSortOrder())); Calculator.forFragment(AssetClassEditFragment.this).amount(number).roundToCurrency(false) .show(RequestCodes.SORT_ORDER); } }); } private void displayAllocation() { View view = getView(); if (view == null) return; if (viewHolder.allocationTextView != null) { Money allocation = assetClass.getAllocation(); viewHolder.allocationTextView.setText(allocation.toString()); viewHolder.allocationTextView.setTag(allocation.toString()); } } private void displayParent() { String name; if (assetClass.getParentId() == null) { name = getString(R.string.none); } else { AssetAllocationService service = new AssetAllocationService(getActivity()); name = service.loadName(assetClass.getParentId()); } viewHolder.parentAssetClass.setText(name); } private void displaySortOrder() { View view = getView(); if (view == null) return; TextView textView = (TextView) view.findViewById(R.id.sortOrderEdit); if (textView != null) { Integer sortOrder = assetClass.getSortOrder(); textView.setText(sortOrder.toString()); textView.setTag(sortOrder.toString()); } } }