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1 | package ch.ffhs.converter.app; |
1 | package de.pointedears.converter.app; |
2 | 2 | ||
3 | import java.util.HashMap; |
3 | import java.util.HashMap; |
4 | 4 | ||
5 | import android.app.Activity; |
5 | import android.app.Activity; |
6 | import android.os.Bundle; |
6 | import android.os.Bundle; |
7 | import android.text.Editable; |
7 | import android.text.Editable; |
8 | import android.view.KeyEvent; |
8 | import android.view.KeyEvent; |
- | 9 | import android.view.Menu; |
|
- | 10 | import android.view.MenuInflater; |
|
- | 11 | import android.view.MenuItem; |
|
9 | import android.view.View; |
12 | import android.view.View; |
10 | import android.view.View.OnKeyListener; |
13 | import android.view.View.OnKeyListener; |
11 | import android.widget.AdapterView; |
14 | import android.widget.AdapterView; |
12 | import android.widget.AdapterView.OnItemSelectedListener; |
15 | import android.widget.AdapterView.OnItemSelectedListener; |
13 | import android.widget.EditText; |
16 | import android.widget.EditText; |
14 | import android.widget.Spinner; |
17 | import android.widget.Spinner; |
15 | import ch.ffhs.converter.R; |
18 | import de.pointedears.converter.R; |
16 | 19 | ||
17 | /**
|
20 | /**
|
18 | * Activity that implements currency conversion
|
21 | * Activity that implements currency conversion
|
19 | *
|
22 | *
|
20 | * @author pelinux
|
23 | * @author pelinux
|
21 | */
|
24 | */
|
22 | public class CurrenciesActivity extends Activity |
25 | public class CurrenciesActivity extends Activity |
23 | {
|
26 | {
|
24 | /*
|
27 | /*
|
25 | * Constants for mapping value strings to internal IDs
|
28 | * Constants for mapping value strings
|
26 | */
|
29 | */
|
27 | private static final String VALUE_CHF = "CHF"; //$NON-NLS-1$ |
30 | private static final String VALUE_CHF = "CHF"; //$NON-NLS-1$ |
28 | private static final String VALUE_EUR = "EUR"; //$NON-NLS-1$ |
31 | private static final String VALUE_EUR = "EUR"; //$NON-NLS-1$ |
29 | private static final String VALUE_USD = "USD"; //$NON-NLS-1$ |
32 | private static final String VALUE_USD = "USD"; //$NON-NLS-1$ |
30 | private static final int ITEM_CHF = 0; |
- | |
31 | private static final int ITEM_EUR = 1; |
- | |
32 | private static final int ITEM_USD = 2; |
- | |
33 | 33 | ||
34 | /**
|
- | |
35 | * Maps value strings to internal IDs
|
- | |
36 | */
|
- | |
37 | private final static HashMap<String, Integer> valueToId = |
34 | private static HashMap<String, HashMap<String, Double>> currencyConversions; |
38 | new HashMap<String, Integer>(); |
- | |
39 | static
|
- | |
40 | {
|
- | |
41 | CurrenciesActivity.valueToId.put(CurrenciesActivity.VALUE_CHF, |
- | |
42 | CurrenciesActivity.ITEM_CHF); |
- | |
43 | CurrenciesActivity.valueToId.put(CurrenciesActivity.VALUE_EUR, |
- | |
44 | CurrenciesActivity.ITEM_EUR); |
- | |
45 | CurrenciesActivity.valueToId.put(CurrenciesActivity.VALUE_USD, |
- | |
46 | CurrenciesActivity.ITEM_USD); |
- | |
47 | }
|
- | |
48 | 35 | ||
49 | /* Unit spinners (dropdowns) */
|
36 | /* Unit spinners (dropdowns) */
|
50 | private Spinner spinnerUnit1; |
37 | private Spinner spinnerUnit1; |
51 | private Spinner spinnerUnit2; |
38 | private Spinner spinnerUnit2; |
52 | 39 | ||
Line 56... | Line 43... | ||
56 | public void onCreate(Bundle savedInstanceState) |
43 | public void onCreate(Bundle savedInstanceState) |
57 | {
|
44 | {
|
58 | super.onCreate(savedInstanceState); |
45 | super.onCreate(savedInstanceState); |
59 | this.setContentView(R.layout.activity_currencies); |
46 | this.setContentView(R.layout.activity_currencies); |
60 | 47 | ||
- | 48 | /* TODO: Set up currency database */
|
|
- | 49 | CurrenciesActivity.currencyConversions =
|
|
- | 50 | new HashMap<String, HashMap<String, Double>>(); |
|
- | 51 | ||
- | 52 | HashMap<String, Double> conversionFactors = new HashMap<String, Double>(); |
|
- | 53 | conversionFactors.put(CurrenciesActivity.VALUE_EUR, 0.767842293); |
|
- | 54 | conversionFactors.put(CurrenciesActivity.VALUE_USD, 1.03413); |
|
- | 55 | CurrenciesActivity.currencyConversions.put(CurrenciesActivity.VALUE_CHF, |
|
- | 56 | conversionFactors); |
|
- | 57 | ||
- | 58 | conversionFactors = new HashMap<String, Double>(); |
|
- | 59 | conversionFactors.put(CurrenciesActivity.VALUE_CHF, 1.30235077); |
|
- | 60 | conversionFactors.put(CurrenciesActivity.VALUE_CHF, 1.3468); |
|
- | 61 | CurrenciesActivity.currencyConversions.put(CurrenciesActivity.VALUE_EUR, |
|
- | 62 | conversionFactors); |
|
- | 63 | ||
- | 64 | conversionFactors = new HashMap<String, Double>(); |
|
- | 65 | conversionFactors.put(CurrenciesActivity.VALUE_CHF, 0.966996412); |
|
- | 66 | conversionFactors.put(CurrenciesActivity.VALUE_EUR, 0.742500743); |
|
- | 67 | CurrenciesActivity.currencyConversions.put(CurrenciesActivity.VALUE_USD, |
|
- | 68 | conversionFactors); |
|
- | 69 | ||
61 | final EditText editValue1 =
|
70 | final EditText editValue1 =
|
62 | (EditText) this.findViewById(R.id.currencies_edit_value1); |
71 | (EditText) this.findViewById(R.id.currencies_edit_value1); |
63 | final EditText editValue2 =
|
72 | final EditText editValue2 =
|
64 | (EditText) this.findViewById(R.id.currencies_edit_value2); |
73 | (EditText) this.findViewById(R.id.currencies_edit_value2); |
65 | 74 | ||
Line 166... | Line 175... | ||
166 | */
|
175 | */
|
167 | private String getConvertedValue(double value, boolean reverse) |
176 | private String getConvertedValue(double value, boolean reverse) |
168 | {
|
177 | {
|
169 | int selectedItemPosition1 = this.spinnerUnit1.getSelectedItemPosition(); |
178 | int selectedItemPosition1 = this.spinnerUnit1.getSelectedItemPosition(); |
170 | int selectedItemPosition2 = this.spinnerUnit2.getSelectedItemPosition(); |
179 | int selectedItemPosition2 = this.spinnerUnit2.getSelectedItemPosition(); |
171 | String[] itemArray = |
180 | String[] items = |
172 | this.getResources().getStringArray(R.array.currency_units_values); |
181 | this.getResources().getStringArray(R.array.currency_units_values); |
173 | String selectedItemValue1 = itemArray[selectedItemPosition1]; |
182 | String selectedItemValue1 = items[selectedItemPosition1]; |
174 | String selectedItemValue2 = itemArray[selectedItemPosition2]; |
183 | String selectedItemValue2 = items[selectedItemPosition2]; |
175 | 184 | ||
176 | if (reverse) |
185 | if (reverse) |
177 | {
|
186 | {
|
178 | String tmp = selectedItemValue1; |
187 | String tmp = selectedItemValue1; |
179 | selectedItemValue1 = selectedItemValue2;
|
188 | selectedItemValue1 = selectedItemValue2;
|
180 | selectedItemValue2 = tmp;
|
189 | selectedItemValue2 = tmp;
|
181 | }
|
190 | }
|
182 | 191 | ||
183 | int itemId1 = CurrenciesActivity.valueToId.get(selectedItemValue1); |
- | |
184 | int itemId2 = CurrenciesActivity.valueToId.get(selectedItemValue2); |
- | |
185 | - | ||
186 | Double newValue = value; |
192 | Double newValue = value; |
187 | 193 | ||
- | 194 | HashMap<String, Double> mapForCurrency = |
|
- | 195 | CurrenciesActivity.currencyConversions.get(selectedItemValue1); |
|
188 | switch (itemId1) |
196 | if (mapForCurrency != null) |
189 | {
|
197 | {
|
190 | case ITEM_CHF:
|
- | |
191 | switch (itemId2) |
- | |
192 | {
|
- | |
193 | case ITEM_EUR:
|
- | |
194 | newValue = new Double(value * 0.767842293); |
198 | Double conversionFactor = mapForCurrency.get(selectedItemValue2); |
195 | break; |
- | |
196 | - | ||
197 | case ITEM_USD:
|
- | |
198 | newValue = new Double(value * 1.03413); |
- | |
199 | break; |
- | |
200 | }
|
- | |
201 | break; |
- | |
202 | - | ||
203 | case ITEM_EUR:
|
- | |
204 | switch (itemId2) |
199 | if (conversionFactor != null) |
205 | {
|
200 | {
|
206 | case ITEM_CHF:
|
- | |
207 | newValue = new Double(value * 1.30235077); |
- | |
208 | break; |
- | |
209 | - | ||
210 | case ITEM_USD:
|
- | |
211 | newValue = new Double(value * 1.3468); |
201 | newValue *= conversionFactor; |
212 | break; |
- | |
213 | }
|
- | |
214 | break; |
- | |
215 | - | ||
216 | case ITEM_USD:
|
- | |
217 | switch (itemId2) |
- | |
218 | {
|
- | |
219 | case ITEM_CHF:
|
- | |
220 | newValue = new Double(value * 0.966996412); |
- | |
221 | break; |
- | |
222 | - | ||
223 | case ITEM_EUR:
|
- | |
224 | newValue = new Double(value * 0.742500743); |
- | |
225 | break; |
- | |
226 | }
|
202 | }
|
227 | break; |
- | |
228 | }
|
203 | }
|
229 | 204 | ||
230 | return newValue.toString(); |
205 | return newValue.toString(); |
231 | }
|
206 | }
|
- | 207 | ||
- | 208 | /*
|
|
- | 209 | * (non-Javadoc)
|
|
- | 210 | *
|
|
- | 211 | * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
|
|
- | 212 | */
|
|
- | 213 | @Override |
|
- | 214 | public boolean onCreateOptionsMenu(Menu menu) |
|
- | 215 | {
|
|
- | 216 | MenuInflater inflater = this.getMenuInflater(); |
|
- | 217 | inflater.inflate(R.menu.options, menu); |
|
- | 218 | return true; |
|
- | 219 | }
|
|
- | 220 | ||
- | 221 | /*
|
|
- | 222 | * (non-Javadoc)
|
|
- | 223 | *
|
|
- | 224 | * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
|
|
- | 225 | */
|
|
- | 226 | @Override |
|
- | 227 | public boolean onOptionsItemSelected(MenuItem item) |
|
- | 228 | {
|
|
- | 229 | /* update here */
|
|
- | 230 | return super.onOptionsItemSelected(item); |
|
- | 231 | }
|
|
232 | }
|
232 | }
|