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GWT client now has the same func

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This commit is contained in:
bjorn
2008-09-12 11:47:41 +00:00
parent e290d744e4
commit 426b4e8a5b
3 changed files with 217 additions and 51 deletions
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27
src/server/gwt-client/src/se/chalmers/cs/gf/gwt_translate/client/CompletionOracle.java
View File

@@ -8,8 +8,19 @@ public class CompletionOracle extends SuggestOracle {
private GF gf;
public CompletionOracle (String gfBaseURL) {
gf = new GF(gfBaseURL);
private List<String> inputLangs;
public CompletionOracle (GF gf) {
this.gf = gf;
inputLangs = new ArrayList<String>();
}
public void setInputLangs(List<String> inputLangs) {
this.inputLangs = inputLangs;
}
public List<String> getInputLangs() {
return inputLangs;
}
public static class CompletionSuggestion implements SuggestOracle.Suggestion {
@@ -28,15 +39,13 @@ public class CompletionOracle extends SuggestOracle {
}
public void requestSuggestions(final SuggestOracle.Request request, final SuggestOracle.Callback callback) {
gf.complete(request.getQuery(), request.getLimit(), new GF.CompleteCallback() {
gf.complete(request.getQuery(), getInputLangs(), null, request.getLimit(),
new GF.CompleteCallback() {
public void onCompleteDone(GF.Completions completions) {
Collection<CompletionSuggestion> suggestions = new ArrayList<CompletionSuggestion>();
for (String lang : completions.getCompletionLanguages()) {
int c = completions.countCompletions(lang);
for (int i = 0; i < c; i++) {
String text = request.getQuery() + " " + completions.getCompletion(lang,i);
suggestions.add(new CompletionSuggestion(text));
}
for (int i = 0; i < completions.length(); i++) {
String text = request.getQuery() + " " + completions.get(i).getText();
suggestions.add(new CompletionSuggestion(text));
}
callback.onSuggestionsReady(request, new SuggestOracle.Response(suggestions));
}

151
src/server/gwt-client/src/se/chalmers/cs/gf/gwt_translate/client/GF.java
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@@ -2,14 +2,16 @@ package se.chalmers.cs.gf.gwt_translate.client;
import com.google.gwt.http.client.*;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.json.client.JSONValue;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
import java.util.Set;
import java.util.Map;
import java.util.HashMap;
import java.util.List;
import java.util.ArrayList;
public class GF {
@@ -19,38 +21,101 @@ public class GF {
this.baseURL = baseURL;
}
/* Translation */
/* Languages */
/* Completion */
public void complete (String text, int count, final CompleteCallback callback) {
Map<String,String> args = new HashMap<String,String>();
args.put("input",text);
// args.put("from",);
// args.put("cat",);
// args.put("count",);
sendRequest("complete", args, new JSONRequestCallback() {
public void languages (final LanguagesCallback callback) {
sendRequest("languages", null, new JSONRequestCallback() {
public void onJSONReceived(JSONValue json) {
callback.onCompleteDone(new Completions(json));
callback.onLanguagesDone((Languages)json.isArray().getJavaScriptObject().cast());
}
});
}
public static final class Completions {
private final JSONObject completions;
public Completions (JSONValue json) {
this.completions = json.isObject();
public static class Languages extends JsArray<Language> {
protected Languages() { }
}
public static class Language extends JavaScriptObject {
protected Language() { }
public final native String getName() /*-{ return this.name; }-*/;
public final native String getLanguageCode() /*-{ return this.languageCode; }-*/;
public final native boolean canParse() /*-{ return this.canParse; }-*/;
}
public interface LanguagesCallback {
public void onLanguagesDone (Languages languages);
}
/* Translation */
public void translate (String input, List<String> fromLangs, String cat, List<String> toLangs,
final TranslateCallback callback) {
List<Arg> args = new ArrayList<Arg>();
args.add(new Arg("input", input));
if (fromLangs != null) {
for (String from : fromLangs) {
args.add(new Arg("from", from));
}
}
public final Set<String> getCompletionLanguages() { return completions.keySet(); }
public final int countCompletions(String lang) {
JSONValue cs = completions.get(lang);
return cs == null ? 0 : cs.isArray().size();
args.add(new Arg("cat", cat));
if (toLangs != null) {
for (String to : toLangs) {
args.add(new Arg("to", to));
}
}
public final String getCompletion(String lang, int i) {
JSONValue cs = completions.get(lang);
return cs == null ? null : cs.isArray().get(i).isString().stringValue();
sendRequest("translate", args, new JSONRequestCallback() {
public void onJSONReceived(JSONValue json) {
callback.onTranslateDone((Translations)json.isArray().getJavaScriptObject().cast());
}
});
}
public static class Translations extends JsArray<Translation> {
protected Translations() { }
}
public static class Translation extends JavaScriptObject {
protected Translation() { }
public final native String getFrom() /*-{ return this.from; }-*/;
public final native String getTo() /*-{ return this.to; }-*/;
public final native String getText() /*-{ return this.text; }-*/;
}
public interface TranslateCallback {
public void onTranslateDone (Translations translations);
}
/* Completion */
public void complete (String input, List<String> fromLangs, String cat, int limit, final CompleteCallback callback) {
List<Arg> args = new ArrayList<Arg>();
args.add(new Arg("input", input));
if (fromLangs != null) {
for (String from : fromLangs) {
args.add(new Arg("from", from));
}
}
args.add(new Arg("cat", cat));
args.add(new Arg("limit", limit));
sendRequest("complete", args, new JSONRequestCallback() {
public void onJSONReceived(JSONValue json) {
callback.onCompleteDone((Completions)json.isArray().getJavaScriptObject().cast());
}
});
}
public static class Completions extends JsArray<Translation> {
protected Completions() { }
}
public static class Completion extends JavaScriptObject {
protected Completion() { }
public final native String getFrom() /*-{ return this.from; }-*/;
public final native String getText() /*-{ return this.text; }-*/;
}
public interface CompleteCallback {
@@ -64,7 +129,7 @@ public class GF {
public void onJSONReceived(JSONValue json);
}
private void sendRequest (String resource, Map<String,String> vars, final JSONRequestCallback callback) {
private void sendRequest (String resource, List<Arg> vars, final JSONRequestCallback callback) {
String url = baseURL + "/" + resource + "?" + buildQueryString(vars);
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
@@ -78,7 +143,7 @@ public class GF {
if (200 == response.getStatusCode()) {
callback.onJSONReceived(JSONParser.parse(response.getText()));
} else {
GWT.log("Response not OK: " + response.getStatusCode(), null);
GWT.log("Response not OK: " + response.getStatusCode() + ". " + response.getText(), null);
}
}
});
@@ -87,16 +152,32 @@ public class GF {
}
}
private static String buildQueryString(Map<String,String> vars) {
private static class Arg {
public final String name;
public final String value;
public Arg (String name, String value) {
this.name = name;
this.value = value;
}
public Arg (String name, int value) {
this(name, Integer.toString(value));
}
}
private static String buildQueryString(List<Arg> args) {
StringBuffer sb = new StringBuffer();
for (Map.Entry<String,String> e : vars.entrySet()) {
if (sb.length() > 0) {
sb.append("&");
if (args != null) {
for (Arg arg : args) {
if (arg.value != null) {
if (sb.length() > 0) {
sb.append("&");
}
sb.append(URL.encodeComponent(arg.name));
sb.append("=");
sb.append(URL.encodeComponent(arg.value));
}
}
sb.append(URL.encodeComponent(e.getKey()));
sb.append("=");
sb.append(URL.encodeComponent(e.getValue()));
}
}
return sb.toString();
}

90
src/server/gwt-client/src/se/chalmers/cs/gf/gwt_translate/client/Translate.java
View File

@@ -2,10 +2,14 @@ package se.chalmers.cs.gf.gwt_translate.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ChangeListener;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.SuggestBox;
import com.google.gwt.user.client.ui.VerticalPanel;
@@ -14,22 +18,56 @@ import com.google.gwt.user.client.ui.KeyboardListenerAdapter;
import com.google.gwt.user.client.Window;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
public class Translate implements EntryPoint {
private static final String gfBaseURL = "http://localhost/~bringert/gf-server/gf.fcgi";
private GF gf;
private CompletionOracle oracle;
private SuggestBox suggest;
private List<String> fromLangs;
private List<String> toLangs;
private Grid outputTable;
private void translate() {
outputTable.resizeRows(3);
outputTable.setText(0, 1, suggest.getText());
outputTable.setText(1, 1, suggest.getText());
outputTable.setText(2, 1, suggest.getText());
gf.translate(suggest.getText(), fromLangs, null, toLangs, new GF.TranslateCallback() {
public void onTranslateDone (GF.Translations translations) {
outputTable.resizeRows(translations.length());
for (int i = 0; i < translations.length(); i++) {
GF.Translation t = translations.get(i);
outputTable.setText(i, 0, t.getFrom());
outputTable.setText(i, 1, t.getTo());
outputTable.setText(i, 2, t.getText());
}
}
});
}
private List<String> listBoxSelection(ListBox box) {
int c = box.getItemCount();
List<String> l = new ArrayList<String>();
for (int i = 0; i < c; i++) {
if (box.isItemSelected(i)) {
l.add(box.getValue(i));
}
}
return l;
}
public void onModuleLoad() {
suggest = new SuggestBox(new CompletionOracle("http://localhost/~bringert/gf-server/gf.fcgi"));
gf = new GF(gfBaseURL);
oracle = new CompletionOracle(gf);
suggest = new SuggestBox(oracle);
suggest.setWidth("50em");
suggest.setText("this cheese is warm");
suggest.addKeyboardListener(new KeyboardListenerAdapter() {
public void onKeyUp (Widget sender, char keyCode, int modifiers) {
if (keyCode == KEY_ENTER) {
@@ -38,6 +76,25 @@ public class Translate implements EntryPoint {
}
});
final ListBox fromLangBox = new ListBox();
fromLangBox.addItem("Any language", "");
fromLangBox.addChangeListener(new ChangeListener() {
public void onChange(Widget sender) {
fromLangs = listBoxSelection(fromLangBox);
oracle.setInputLangs(fromLangs);
translate();
}
});
final ListBox toLangBox = new ListBox();
toLangBox.addItem("All languages", "");
toLangBox.addChangeListener(new ChangeListener() {
public void onChange(Widget sender) {
toLangs = listBoxSelection(toLangBox);
translate();
}
});
Button translateButton = new Button("Translate");
translateButton.addClickListener(new ClickListener() {
public void onClick(Widget sender) {
@@ -45,16 +102,35 @@ public class Translate implements EntryPoint {
}
});
outputTable = new Grid(0, 2);
HorizontalPanel hPanel = new HorizontalPanel();
hPanel.add(new Label("From:"));
hPanel.add(fromLangBox);
hPanel.add(new Label("To:"));
hPanel.add(toLangBox);
hPanel.add(translateButton);
outputTable = new Grid(0, 3);
VerticalPanel vPanel = new VerticalPanel();
vPanel.setWidth("100%");
vPanel.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
vPanel.add(suggest);
vPanel.add(translateButton);
vPanel.add(hPanel);
vPanel.add(outputTable);
RootPanel.get().add(vPanel);
gf.languages(new GF.LanguagesCallback() {
public void onLanguagesDone(GF.Languages languages) {
for (int i = 0; i < languages.length(); i++) {
GF.Language l = languages.get(i);
if (l.canParse()) {
fromLangBox.addItem(l.getName());
}
toLangBox.addItem(l.getName());
}
}
});
}
}