Java tutorial
/* * Copyright 2010, 2012 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package cc.kune.gspace.client.i18n; import cc.kune.common.client.log.Log; import cc.kune.common.client.tooltip.Tooltip; import cc.kune.common.shared.i18n.I18nTranslationService; import cc.kune.common.shared.utils.TextUtils; import cc.kune.core.shared.dto.I18nLanguageSimpleDTO; import cc.kune.core.shared.dto.I18nTranslationDTO; import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.BlurEvent; import com.google.gwt.event.dom.client.ChangeEvent; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.KeyUpEvent; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.uibinder.client.UiHandler; import com.google.gwt.user.client.Timer; import com.google.gwt.user.client.ui.Composite; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.PushButton; import com.google.gwt.user.client.ui.TextArea; import com.google.gwt.user.client.ui.Widget; // TODO: Auto-generated Javadoc /** * A form used for editing translations. * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ public class I18nTranslatorForm extends Composite { /** * The Interface Binder. * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ interface Binder extends UiBinder<Widget, I18nTranslatorForm> { } /** The ui binder. */ private static Binder uiBinder = GWT.create(Binder.class); /** The copy icon. */ @UiField PushButton copyIcon; /** The data provider. */ private I18nTranslationDataProvider dataProvider; /** The i18n. */ private I18nTranslationService i18n; /** The item. */ private I18nTranslationDTO item; /** The keyboard recomendation. */ @UiField Label keyboardRecomendation; /** The keyboard recomendation title. */ @UiField Label keyboardRecomendationTitle; /** The keyboard timer. */ private final Timer keyboardTimer; /** The note for translators. */ @UiField Label noteForTranslators; /** The note for translators tittle. */ @UiField Label noteForTranslatorsTittle; /** The saver. */ private I18nTranslatorSaver saver; /** The to language title. */ @UiField Label toLanguageTitle; /** The to translate. */ @UiField Label toTranslate; /** The to translate title. */ @UiField Label toTranslateTitle; /** The translation. */ @UiField TextArea translation; /** * Instantiates a new i18n translator form. */ public I18nTranslatorForm() { initWidget(uiBinder.createAndBindUi(this)); keyboardTimer = new Timer() { @Override public void run() { saveIfNeeded(); } }; } /** * Copy translation. */ private void copyTranslation() { translation.setText(toTranslate.getText()); } /** * Focus to translate. */ public void focusToTranslate() { translation.setFocus(true); } /** * Handle blur. * * @param event * the event */ @UiHandler("translation") void handleBlur(final BlurEvent event) { saveIfNeeded(); } /** * Handle click on copy icon. * * @param e * the e */ @UiHandler("copyIcon") void handleClickOnCopyIcon(final ClickEvent e) { copyTranslation(); translation.setFocus(true); updateWithTimer(); } /** * Handle key press. * * @param event * the event */ @UiHandler("translation") void handleKeyPress(final ChangeEvent event) { updateWithTimer(); } /** * Handle key press. * * @param event * the event */ @UiHandler("translation") void handleKeys(final KeyUpEvent event) { Log.debug("Translator key " + event.getNativeKeyCode()); Log.debug("Translator is Alt " + event.isAltKeyDown()); if (event.isAltKeyDown() && event.getNativeEvent().getKeyCode() == com.google.gwt.event.dom.client.KeyCodes.KEY_PAGEUP) { Log.debug("Translator pageup"); saveIfNeeded(); dataProvider.selectPrevious(); } else if (event.isAltKeyDown() && event.getNativeEvent().getKeyCode() == com.google.gwt.event.dom.client.KeyCodes.KEY_PAGEDOWN) { Log.debug("Translator pagedown"); saveIfNeeded(); dataProvider.selectNext(); } else if (event.isAltKeyDown() && event.getNativeKeyCode() == 86) { Log.debug("Translator copy"); copyTranslation(); updateWithTimer(); } } /** * Inits the. * * @param dataProvider * the data provider * @param i18n * the i18n * @param saver * the saver */ public void init(final I18nTranslationDataProvider dataProvider, final I18nTranslationService i18n, final I18nTranslatorSaver saver) { this.dataProvider = dataProvider; this.i18n = i18n; this.saver = saver; Tooltip.to(copyIcon, i18n.t("Copy the text to translate")); toTranslateTitle.setText(i18n.t("translate this:")); noteForTranslatorsTittle.setText(i18n.t("Notes:")); keyboardRecomendationTitle.setText(i18n.t("Tip:")); keyboardRecomendation.setText(i18n.t("You can resize the above textarea.") + " " + i18n.t( "Click Alt+PageUp or Alt+PageDown to move up/down in the list while translating, and Alt-V to copy the original text. The translations are autosaved")); } /** * Save if needed. */ private void saveIfNeeded() { keyboardTimer.cancel(); final String newTranslation = translation.getText(); if (item != null && TextUtils.notEmpty(newTranslation) && !newTranslation.equals(item.getText())) { item.setText(translation.getText()); item.setDirty(true); dataProvider.refreshDisplays(); saver.save(new I18nTranslationDTO(item.getId(), item.getTrKey(), null, newTranslation, item.getParentId(), item.getParentTrKey(), item.getNoteForTranslators())); } } /** * Sets the info. * * @param item * the new info */ public void setInfo(final I18nTranslationDTO item) { saveIfNeeded(); this.item = item; final String trKey = item.getTrKey(); toTranslate.setText(trKey == null ? item.getParentTrKey() : trKey); translation.setText(item.getText()); final boolean hasNT = TextUtils.notEmpty(item.getNoteForTranslators()); noteForTranslators.setVisible(hasNT); noteForTranslatorsTittle.setVisible(hasNT); if (hasNT) { noteForTranslators.setText(item.getNoteForTranslators()); } } /** * Sets the to language. * * @param language * the new to language */ public void setToLanguage(final I18nLanguageSimpleDTO language) { toLanguageTitle.setText(i18n.tWithNT("to [%s]:", "For example, 'to Spanish':", language.getEnglishName())); toTranslate.setText(""); translation.setText(""); noteForTranslators.setVisible(false); } /** * Update with timer. */ private void updateWithTimer() { keyboardTimer.cancel(); keyboardTimer.schedule(3000); } }