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GWT: update to use new /grammar resource. Select from language based on Accept-Language header.

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This commit is contained in:
bjorn
2008-09-17 13:04:10 +00:00
parent 0896d6dee1
commit 7c79fd0aa9
2 changed files with 44 additions and 33 deletions
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22
src/server/gwt-client/src/se/chalmers/cs/gf/gwt_translate/client/GF.java
View File

@@ -26,21 +26,27 @@ public class GF {
public void onError (Throwable e) ;
}
/* Languages */
/* Grammar */
public GFRequest languages (final LanguagesCallback callback) {
return sendRequest("languages", null, callback);
public GFRequest grammar (final GrammarCallback callback) {
return sendRequest("grammar", null, callback);
}
public interface LanguagesCallback extends GFCallback<Languages> { }
public interface GrammarCallback extends GFCallback<Grammar> { }
public static class Languages extends JsArray<Language> {
protected Languages() { }
public static class Grammar extends JavaScriptObject {
protected Grammar() { }
public final native String getName() /*-{ return this.name; }-*/;
public final native String getUserLanguage() /*-{ return this.userLanguage; }-*/;
public final native JsArray<Language> getLanguages() /*-{ return this.languages; }-*/;
public final Language getLanguage(String name) {
int c = length();
int c = getLanguages().length();
for (int i = 0; i < c; i++) {
Language l = get(i);
Language l = getLanguages().get(i);
if (l.getName().equals(name))
return l;
}

55
src/server/gwt-client/src/se/chalmers/cs/gf/gwt_translate/client/Translate.java
View File

@@ -36,16 +36,16 @@ public class Translate implements EntryPoint {
private CompletionOracle oracle;
private SuggestBox suggest;
private GF.Languages availableLangs;
private List<String> fromLangs;
private List<String> toLangs;
private GF.Grammar grammar;
private ListBox fromLangBox;
private ListBox toLangBox;
private VerticalPanel outputPanel;
private Label statusLabel;
private void addTranslation(String text, String toLang) {
Label l = new Label(text);
l.addStyleName("my-translation");
GF.Language lang = availableLangs.getLanguage(toLang);
GF.Language lang = grammar.getLanguage(toLang);
if (lang != null) {
l.getElement().setLang(lang.getLanguageCode());
}
@@ -53,13 +53,16 @@ public class Translate implements EntryPoint {
}
private void translate() {
gf.translate(suggest.getText(), fromLangs, null, toLangs, new GF.TranslateCallback() {
outputPanel.clear();
setStatus("Translating...");
gf.translate(suggest.getText(), listBoxSelection(fromLangBox), null,
listBoxSelection(toLangBox), new GF.TranslateCallback() {
public void onResult (GF.Translations translations) {
outputPanel.clear();
for (int i = 0; i < translations.length(); i++) {
GF.Translation t = translations.get(i);
addTranslation(t.getText(), t.getTo());
}
setStatus("Translation done.");
}
public void onError (Throwable e) {
showError("Translation failed", e);
@@ -67,6 +70,10 @@ public class Translate implements EntryPoint {
});
}
private void updateLangs() {
oracle.setInputLangs(listBoxSelection(fromLangBox));
}
private List<String> listBoxSelection(ListBox box) {
int c = box.getItemCount();
List<String> l = new ArrayList<String>();
@@ -108,21 +115,20 @@ public class Translate implements EntryPoint {
}
});
final ListBox fromLangBox = new ListBox();
fromLangBox = new ListBox();
fromLangBox.addItem("Any language", "");
fromLangBox.addChangeListener(new ChangeListener() {
public void onChange(Widget sender) {
fromLangs = listBoxSelection(fromLangBox);
oracle.setInputLangs(fromLangs);
updateLangs();
translate();
}
});
final ListBox toLangBox = new ListBox();
toLangBox = new ListBox();
toLangBox.addItem("All languages", "");
toLangBox.addChangeListener(new ChangeListener() {
public void onChange(Widget sender) {
toLangs = listBoxSelection(toLangBox);
updateLangs();
translate();
}
});
@@ -160,19 +166,21 @@ public class Translate implements EntryPoint {
RootPanel.get().add(vPanel);
RootPanel.get().add(statusLabel, (Window.getClientWidth() - statusLabel.getOffsetWidth())/2, (Window.getClientHeight() - statusLabel.getOffsetHeight()));
gf.languages(new GF.LanguagesCallback() {
public void onResult(GF.Languages languages) {
availableLangs = languages;
for (int i = 0; i < languages.length(); i++) {
GF.Language l = languages.get(i);
gf.grammar(new GF.GrammarCallback() {
public void onResult(GF.Grammar grammar) {
Translate.this.grammar = grammar;
for (int i = 0; i < grammar.getLanguages().length(); i++) {
GF.Language l = grammar.getLanguages().get(i);
String name = l.getName();
if (l.canParse()) {
fromLangBox.addItem(l.getName());
fromLangBox.addItem(name);
if (name.equals(grammar.getUserLanguage())) {
fromLangBox.setSelectedIndex(fromLangBox.getItemCount()-1);
}
}
toLangBox.addItem(l.getName());
toLangBox.addItem(name);
}
gf.mylanguage(new GF.MyLanguageCallback() {
}
updateLangs();
setStatus("Loaded languages.");
}
@@ -180,9 +188,6 @@ public class Translate implements EntryPoint {
public void onError (Throwable e) {
showError("Error getting language information", e);
}
});
GWT.log("Current locale: " + LocaleInfo.getCurrentLocale().getLocaleName(), null);
});
}
}