| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation and Others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Hisashi MIYASHITA - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.actf.ai.navigator.impl; |
| |
| import org.eclipse.actf.ai.fennec.treemanager.ITreeItem; |
| import org.eclipse.actf.ai.fennec.treemanager.TreeManagerException; |
| import org.eclipse.actf.ai.navigator.IManipulator; |
| import org.eclipse.actf.ai.navigator.NavigatorPlugin; |
| import org.eclipse.actf.ai.navigator.preferences.UserInfoPreferenceConstants; |
| import org.eclipse.actf.ai.navigator.userinfo.IMetaDataModifier; |
| import org.eclipse.actf.ai.navigator.userinfo.IUserInfoGenerator; |
| import org.eclipse.actf.ai.navigator.userinfo.impl.AltInputDialog; |
| import org.eclipse.actf.ai.navigator.userinfo.impl.AltTextEditor; |
| import org.eclipse.actf.ai.navigator.userinfo.impl.AltTextGuesser; |
| import org.eclipse.actf.ai.navigator.userinfo.impl.BrowserObserver; |
| import org.eclipse.actf.ai.navigator.userinfo.impl.HeadingCanceller; |
| import org.eclipse.actf.ai.navigator.userinfo.impl.LandmarkMaker; |
| import org.eclipse.actf.ai.navigator.userinfo.impl.MetaDataModifier; |
| import org.eclipse.actf.ai.navigator.util.ContentShortener; |
| import org.eclipse.actf.ai.xmlstore.XMLStoreException; |
| import org.eclipse.actf.model.IWebBrowserACTF; |
| import org.eclipse.actf.util.ui.PlatformUIUtil; |
| import org.eclipse.actf.util.vocab.Vocabulary; |
| import org.eclipse.jface.dialogs.InputDialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.PlatformUI; |
| |
| |
| public class NavigatorImplEx extends NavigatorImpl { |
| private final IPreferenceStore preferenceStore; |
| |
| private final ContentShortener contentShortener; |
| |
| private final BrowserObserver observer; |
| |
| private IWebBrowserACTF webBrowser; |
| |
| public NavigatorImplEx(WebEventListener webEventListener, |
| IWebBrowserACTF webBrowser, |
| int maxRetry, int retryInterval) { |
| super(webEventListener, webBrowser, maxRetry, retryInterval); |
| |
| this.webBrowser = webBrowser; |
| this.preferenceStore = NavigatorPlugin.getDefault().getPreferenceStore(); |
| this.contentShortener = new ContentShortener(32, getMessageFormatter()); |
| this.observer = new BrowserObserver(webBrowser); |
| } |
| |
| public void saveUserInfo() { |
| if (getCurrentEntry() != null && !getCurrentEntry().isUserEntry()) { |
| speakUnavailableUserInfo(); |
| return; |
| } |
| try { |
| IMetaDataModifier modifier = new MetaDataModifier(); |
| // modifier.setGenerator(null); |
| modifier.setSite(observer.getTargetFilter()); |
| modifier.setPageTitle(PlatformUIUtil.getActiveEditor().getTitle()); |
| modifier.commit(true); |
| speakWithFormat("Navigator.ANNOTATION_IS_SAVED", true); |
| } catch (XMLStoreException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public void guessAltText() { |
| if (getCurrentEntry() != null && !getCurrentEntry().isUserEntry()) { |
| speakUnavailableUserInfo(); |
| return; |
| } |
| try { |
| ITreeItem item = getTreeManager().getCurrentRootItem(); |
| setMode(IManipulator.KEYHOOK_DISABLED_MODE); |
| item.setFocus(); |
| int k = guessAltTextIter(item); |
| if (k > 0) { |
| String mes = getMessageFormatter().mes("Navigator.ALT_TEXT_WERE_GUESSED", k); |
| speak(mes, true); |
| if (preferenceStore.getBoolean(UserInfoPreferenceConstants.AUTO_SAVE)) |
| saveUserInfo(); |
| if (preferenceStore.getBoolean(UserInfoPreferenceConstants.AUTO_REFRESH)) |
| refresh(); |
| } |
| else { |
| speakWithFormat("Navigator.THERE_IS_NO_MISSING_ALT_TEXT", true); |
| } |
| item.setFocus(); |
| setMode(IManipulator.TREE_NAVIGATION_MODE); |
| } catch (TreeManagerException e) { |
| e.printStackTrace(); |
| } catch (XMLStoreException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private int guessAltTextIter(ITreeItem item) throws XMLStoreException { |
| int k = 0; |
| ITreeItem[] v = item.getChildItems(); |
| |
| for (int i = 0; i < v.length; i++) { |
| ITreeItem c = v[i]; |
| k += guessAltTextIter(c); |
| } |
| |
| if (!Vocabulary.isAlterable().eval(item)) { |
| return k; |
| } |
| |
| if (isGoodAltText(item.getUIString())) { |
| return k; |
| } |
| |
| AltTextGuesser guesser = new AltTextGuesser(webBrowser, item); |
| String newText = guesser.guessByContext(); |
| |
| if (newText == null || newText.length() == 0) { |
| return k; |
| } |
| |
| IMetaDataModifier modifier = new MetaDataModifier(); |
| modifier.setGenerator(new AltTextEditor()); |
| modifier.setSite(observer.getTargetFilter()); |
| modifier.setPageTitle(PlatformUIUtil.getActiveEditor().getTitle()); |
| modifier.setItem(item); |
| |
| modifier.setText(getMessageFormatter().mes("Navigator.ANNOTATION_LINK_TO", newText)); |
| IUserInfoGenerator.Result result = modifier.commit(false); |
| |
| if (result != IUserInfoGenerator.Result.NOTHING) |
| ++k; |
| |
| return k; |
| } |
| |
| private boolean isGoodAltText(String s) { |
| return s.length() > 0; |
| } |
| |
| public void nextAlterable() { |
| if (getCurrentEntry() != null && !getCurrentEntry().isUserEntry()) { |
| speakUnavailableUserInfo(); |
| return; |
| } |
| findNext(Vocabulary.isAlterable(), JumpMode.ALTALABLE); |
| } |
| |
| public void previousAlterable() { |
| if (getCurrentEntry() != null && !getCurrentEntry().isUserEntry()) { |
| speakUnavailableUserInfo(); |
| return; |
| } |
| findPrevious(Vocabulary.isAlterable(), JumpMode.ALTALABLE); |
| } |
| |
| public void editAltText() { |
| if (getCurrentEntry() != null && !getCurrentEntry().isUserEntry()) { |
| speakUnavailableUserInfo(); |
| return; |
| } |
| |
| try { |
| // refresh(); |
| ITreeItem item = getTreeManager().getActiveItem(); |
| if (item == null) |
| return; |
| if (Vocabulary.isAlterable().eval(item)) { |
| setMode(IManipulator.KEYHOOK_DISABLED_MODE); |
| Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| // String oldText = item.getUIString(); |
| // AltInputDialog dialog = new AltInputDialog(shell, oldText.length() > 0 ? oldText : "(no ALT text)"); |
| AltInputDialog dialog = new AltInputDialog(shell, item.getUIString()); |
| |
| if (dialog.open() == InputDialog.OK) { |
| String newText = dialog.getResult(); |
| if (newText != null) { |
| IMetaDataModifier modifier = new MetaDataModifier(); |
| modifier.setGenerator(new AltTextEditor()); |
| modifier.setSite(observer.getTargetFilter()); |
| modifier.setPageTitle(PlatformUIUtil.getActiveEditor().getTitle()); |
| modifier.setItem(item); |
| modifier.setText(newText); |
| IUserInfoGenerator.Result result = modifier.commit(preferenceStore |
| .getBoolean(UserInfoPreferenceConstants.AUTO_SAVE)); |
| // if (result != IUserInfoGenerator.Result.NOTHING) { |
| if (preferenceStore.getBoolean(UserInfoPreferenceConstants.AUTO_REFRESH)) |
| refresh(); |
| speak(getMessageFormatter().mes(modifier.toString(result), |
| newText), |
| true, false); |
| // } |
| } |
| } |
| |
| setMode(IManipulator.TREE_NAVIGATION_MODE); |
| } else { |
| speakWithFormat("Navigator.ITEM_IS_NOT_AVAILABLE", true); |
| } |
| } catch (TreeManagerException e) { |
| e.printStackTrace(); |
| } catch (XMLStoreException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private void speakUnavailableUserInfo() { |
| speakWithFormat("Navigator.ANNOTATION_IS_NOT_AVAILABLE", true); |
| } |
| |
| public void makeLandmark() { |
| if (getCurrentEntry() != null && !getCurrentEntry().isUserEntry()) { |
| speakUnavailableUserInfo(); |
| return; |
| } |
| try { |
| ITreeItem item = getTreeManager().getActiveItem(); |
| IMetaDataModifier modifier = new MetaDataModifier(); |
| modifier.setGenerator(getHeadingLevelOf(item) > 0 ? new HeadingCanceller() : new LandmarkMaker()); |
| // modifier.setGenerator(Vocabulary.isHeading().eval(item) ? new HeadingCanceller() : new LandmarkMaker()); |
| modifier.setSite(observer.getTargetFilter()); |
| modifier.setPageTitle(PlatformUIUtil.getActiveEditor().getTitle()); |
| modifier.setItem(item); |
| IUserInfoGenerator.Result result = modifier.commit(preferenceStore |
| .getBoolean(UserInfoPreferenceConstants.AUTO_SAVE)); |
| if (preferenceStore.getBoolean(UserInfoPreferenceConstants.AUTO_REFRESH)) |
| refresh(); |
| |
| speak(getMessageFormatter().mes(modifier.toString(result), |
| contentShortener.getSummary(item, true)), |
| true, false); |
| } catch (TreeManagerException e) { |
| e.printStackTrace(); |
| } catch (XMLStoreException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private short getHeadingLevelOf(ITreeItem item) { |
| short level = 0; |
| for (ITreeItem i = item; i != null; i = i.getParent()) { |
| short k = i.getHeadingLevel(); |
| if (k < 0) |
| return k; |
| if (k > 0) |
| level = k; |
| } |
| return level; |
| } |
| |
| private void refresh() throws TreeManagerException { |
| selectUserFennec(); |
| } |
| |
| public void removeUserInfo() { |
| if (getCurrentEntry() == null) { |
| speakWithFormat("Navigator.NO_ANNOTATION"); |
| return; |
| } |
| |
| try { |
| Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| |
| String title = getMessageFormatter().mes("Navigator.USER_INFO_REMOVE_CONFIRM"); |
| String message = getMessageFormatter().mes("Navigator.USER_INFO_REMOVE_MESSAGE"); |
| boolean ret = MessageDialog.openQuestion(shell, title, message); |
| if (!ret) |
| return; |
| |
| IMetaDataModifier modifier = new MetaDataModifier(); |
| modifier.setSite(observer.getTargetFilter()); |
| modifier.setPageTitle(PlatformUIUtil.getActiveEditor().getTitle()); |
| if (modifier.remove()) { |
| speakWithFormat("Navigator.ANNOTATION_IS_REMOVED", true); |
| forceRestart(false); |
| } else { |
| speakWithFormat("Navigator.NO_ANNOTATION", true); |
| } |
| } catch (XMLStoreException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| } |
