TnSb/android-calculatorpp
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plotting

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serso
2011-12-01 17:57:42 +04:00
parent 731e178b51
commit fcacb4c486
12 changed files with 454 additions and 64 deletions
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66
src/main/java/org/solovyev/android/view/prefs/ResourceCache.java
View File

@@ -7,11 +7,14 @@
package org.solovyev.android.view.prefs;
import android.app.Activity;
import android.content.Context;
import android.content.res.Resources;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.CalculatorActivity;
import org.solovyev.android.view.widgets.DragButton;
import java.lang.reflect.Field;
@@ -33,7 +36,13 @@ public enum ResourceCache {
// ids of buttons in R.class
private List<Integer> buttonIds = null;
private static final Map<String, Map<String, String>> captions = new HashMap<String, Map<String, String>>();
// first map: key: language id, value: map of captions and translations
// second mal: key: caption id, value: translation
private final Map<String, Map<String, String>> captions = new HashMap<String, Map<String, String>>();
private Class<?> resourceClass;
private Context context;
public List<Integer> getDragButtonIds() {
return dragButtonIds;
@@ -43,11 +52,28 @@ public enum ResourceCache {
return buttonIds;
}
public void initCaptions(@NotNull Class<?> resourceClass, @NotNull Activity activity) {
final Locale locale = Locale.getDefault();
/**
* Method load captions for default locale using android R class
* @param context STATIC CONTEXT
* @param resourceClass class of captions in android (SUBCLASS of R class)
*/
public void initCaptions(@NotNull Context context, @NotNull Class<?> resourceClass) {
initCaptions(context, resourceClass, Locale.getDefault());
}
if (!captions.containsKey(locale.getLanguage())) {
/**
* Method load captions for specified locale using android R class
* @param context STATIC CONTEXT
* @param resourceClass class of captions in android (SUBCLASS of R class)
* @param locale language to be used for translation
*/
public void initCaptions(@NotNull Context context, @NotNull Class<?> resourceClass, @NotNull Locale locale) {
assert this.resourceClass == null || this.resourceClass.equals(resourceClass);
this.context = context;
this.resourceClass = resourceClass;
if (!initialized(locale)) {
final Map<String, String> captionsByLanguage = new HashMap<String, String>();
for (Field field : resourceClass.getDeclaredFields()) {
@@ -55,7 +81,7 @@ public enum ResourceCache {
if (Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)) {
try {
int captionId = field.getInt(resourceClass);
captionsByLanguage.put(field.getName(), activity.getString(captionId));
captionsByLanguage.put(field.getName(), context.getString(captionId));
} catch (IllegalAccessException e) {
Log.e(ResourceCache.class.getName(), e.getMessage());
}
@@ -66,13 +92,39 @@ public enum ResourceCache {
}
}
private boolean initialized(@NotNull Locale locale) {
return captions.containsKey(locale.getLanguage());
}
/**
* @param captionId id of caption to be translated
* @return translation by caption id in default language, null if no translation in default language present
*/
@Nullable
public String getCaption(@NotNull String captionId) {
final Locale locale = Locale.getDefault();
return getCaption(captionId, Locale.getDefault());
}
final Map<String, String> captionsByLanguage = captions.get(locale.getLanguage());
/**
* @param captionId id of caption to be translated
* @param locale language to be used for translation
* @return translation by caption id in specified language, null if no translation in specified language present
*/
@Nullable
public String getCaption(@NotNull String captionId, @NotNull final Locale locale) {
Map<String, String> captionsByLanguage = captions.get(locale.getLanguage());
if (captionsByLanguage != null) {
return captionsByLanguage.get(captionId);
} else {
assert resourceClass != null && context != null;
initCaptions(context, resourceClass, locale);
captionsByLanguage = captions.get(locale.getLanguage());
if (captionsByLanguage != null) {
return captionsByLanguage.get(captionId);
}
}
return null;