diff options
Diffstat (limited to 'rse/plugins/org.eclipse.rse.shells.ui/src/org/eclipse/rse/shells/ui/view/CommandEntryContentAssistProcessor.java')
| -rw-r--r-- | rse/plugins/org.eclipse.rse.shells.ui/src/org/eclipse/rse/shells/ui/view/CommandEntryContentAssistProcessor.java | 640 |
1 files changed, 0 insertions, 640 deletions
diff --git a/rse/plugins/org.eclipse.rse.shells.ui/src/org/eclipse/rse/shells/ui/view/CommandEntryContentAssistProcessor.java b/rse/plugins/org.eclipse.rse.shells.ui/src/org/eclipse/rse/shells/ui/view/CommandEntryContentAssistProcessor.java deleted file mode 100644 index 386009f7e..000000000 --- a/rse/plugins/org.eclipse.rse.shells.ui/src/org/eclipse/rse/shells/ui/view/CommandEntryContentAssistProcessor.java +++ /dev/null @@ -1,640 +0,0 @@ -/******************************************************************************** - * Copyright (c) 2002, 2006 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 - * - * Initial Contributors: - * The following IBM employees contributed to the Remote System Explorer - * component that contains this file: David McKnight, Kushal Munir, - * Michael Berger, David Dykstal, Phil Coulthard, Don Yantzi, Eric Simpson, - * Emily Bruner, Mazen Faraj, Adrian Storisteanu, Li Ding, and Kent Hawley. - * - * Contributors: - * Martin Oberhuber (Wind River) - fix 158766: content assist works 1st time only - ********************************************************************************/ - -package org.eclipse.rse.shells.ui.view; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; - -import org.eclipse.core.runtime.IAdaptable; -import org.eclipse.jface.resource.ImageDescriptor; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.contentassist.CompletionProposal; -import org.eclipse.jface.text.contentassist.ContextInformation; -import org.eclipse.jface.text.contentassist.ICompletionProposal; -import org.eclipse.jface.text.contentassist.IContentAssistProcessor; -import org.eclipse.jface.text.contentassist.IContextInformation; -import org.eclipse.jface.text.contentassist.IContextInformationValidator; -import org.eclipse.rse.core.subsystems.RemoteChildrenContentsType; -import org.eclipse.rse.internal.subsystems.shells.subsystems.RemoteCmdSubSystem; -import org.eclipse.rse.services.clientserver.messages.SystemMessageException; -import org.eclipse.rse.subsystems.files.core.model.RemoteFileUtility; -import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile; -import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFileSubSystem; -import org.eclipse.rse.subsystems.files.core.subsystems.RemoteFile; -import org.eclipse.rse.subsystems.files.core.subsystems.RemoteFileChildrenContentsType; -import org.eclipse.rse.subsystems.files.core.subsystems.RemoteFolderChildrenContentsType; -import org.eclipse.rse.subsystems.shells.core.model.ISystemOutputRemoteTypes; -import org.eclipse.rse.subsystems.shells.core.subsystems.ICandidateCommand; -import org.eclipse.rse.subsystems.shells.core.subsystems.IRemoteCmdSubSystem; -import org.eclipse.rse.subsystems.shells.core.subsystems.IRemoteCommandShell; -import org.eclipse.rse.ui.ISystemIconConstants; -import org.eclipse.rse.ui.RSEUIPlugin; -import org.eclipse.rse.ui.view.ISystemViewElementAdapter; -import org.eclipse.swt.graphics.Image; -import org.eclipse.ui.ISharedImages; -import org.eclipse.ui.PlatformUI; - - -/** - * Class that implements the content assist processor interface for the command line. - */ -public class CommandEntryContentAssistProcessor implements IContentAssistProcessor -{ - - private class CompletionResults - { - private List _nameResults; - private List _proposalResults; - private List _proposalHelpResults; - private List _images; - - public CompletionResults() - { - _nameResults = new ArrayList(); - _proposalResults = new ArrayList(); - _proposalHelpResults = new ArrayList(); - _images = new ArrayList(); - } - - public int size() - { - return _nameResults.size(); - } - - public void addResult(String name, String text, String help, Image image) - { - _nameResults.add(name); - _proposalResults.add(text); - _proposalHelpResults.add(help); - _images.add(image); - } - - public String getNameAt(int i) - { - return (String) _nameResults.get(i); - } - - public String getTextAt(int i) - { - return (String) _proposalResults.get(i); - } - - public String getHelpAt(int i) - { - return (String) _proposalHelpResults.get(i); - } - - public Image getImageAt(int i) - { - return (Image) _images.get(i); - } - } - - private CommandEntryViewerConfiguration _configurator; - //private SystemTableViewProvider _provider; - private HashMap _imageMap; - private IRemoteCommandShell _remoteCommand; - private char _fileSeparator; - private char _foreignFileSeparator; - private IRemoteFile _lastFolderContext; - private boolean _isWindows; - private Image _envImage; - - private static int FILES_ONLY = 0; - private static int FOLDERS_ONLY = 1; - private static int FILES_AND_FOLDERS = 2; - - /** - * Constructor - */ - public CommandEntryContentAssistProcessor(CommandEntryViewerConfiguration configurator) - { - _configurator = configurator; - //_provider = new SystemTableViewProvider(); - _imageMap = new HashMap(); - } - - public void setRemoteCommand(IRemoteCommandShell cmd) - { - if (cmd != _remoteCommand) - { - - _remoteCommand = cmd; - if (_remoteCommand != null) - { - RemoteCmdSubSystem cmdSubsystem = (RemoteCmdSubSystem) _remoteCommand.getCommandSubSystem(); - //String type = cmdSubsystem.getHost().getSystemType(); - if (cmdSubsystem.isWindows()) - { - _isWindows = true; - _fileSeparator = '\\'; - _foreignFileSeparator = '/'; - } - else - { - _isWindows = false; - _fileSeparator = '/'; - _foreignFileSeparator = '\\'; - } - - _remoteCommand.getCandidateCommands(); - } - } - } - - public IRemoteCommandShell getRemoteCommand() - { - return _remoteCommand; - } - - private boolean isDeliminator(char c) - { - if (c == ' ' || c == ';' || c == ':' || c == '&' || c == '|' || c == '=') - return true; - return false; - } - - private String getCurrentText(ITextViewer viewer, int documentOffset) - { - StringBuffer currentText = new StringBuffer(); - String text = viewer.getDocument().get(); - if (documentOffset > -1) - { - boolean noWhiteSpace = true; - int firstChar = documentOffset - 1; - while (firstChar > -1 && noWhiteSpace) - { - char c = text.charAt(firstChar); - if (isDeliminator(c)) - { - noWhiteSpace = false; - } - else - { - currentText.insert(0, c); - } - firstChar--; - } - } - return currentText.toString(); - } - - private boolean isAtFirstToken(IDocument document) - { - String text = document.get(); - if (text.length() > 0) - { - int spaceIndex = text.indexOf(' '); - if (spaceIndex > 0) - { - return false; - } - } - - return true; - } - - private String getFirstToken(IDocument document) - { - StringBuffer buf = new StringBuffer(); - String text = document.get(); - int index = 0; - while (index < text.length()) - { - char c = text.charAt(index); - if (c == ' ') - { - return buf.toString(); - } - else - { - buf.append(c); - } - index++; - } - return buf.toString(); - } - - /** - * @see IContentAssistProcessor#computeCompletionProposals(ITextViewer, int) - */ - public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) - { - //String text = viewer.getDocument().get(); - boolean atFirstToken = isAtFirstToken(viewer.getDocument()); - String firstToken = getFirstToken(viewer.getDocument()); - String currentText = getCurrentText(viewer, documentOffset); - - CompletionResults completions = getCompletions(firstToken, currentText, atFirstToken); - if (completions != null && completions.size() > 0) - { - ICompletionProposal[] proposalList = new ICompletionProposal[completions.size()]; - - int replacementOffset = documentOffset - currentText.length(); - int replacementLength = 0; - - replacementLength = documentOffset - replacementOffset; - - for (int idx = 0; idx < proposalList.length; idx++) - { - String name = completions.getNameAt(idx); - String proposal = completions.getTextAt(idx); - String help = completions.getHelpAt(idx); - Image image = completions.getImageAt(idx); - - // @param replacementString the actual string to be inserted into the document - // @param replacementOffset the offset of the text to be replaced - // @param replacementLength the length of the text to be replaced - // @param cursorPosition the position of the cursor following the insert relative to replacementOffset - // @param image the image to display for this proposal - // @param displayString the string to be displayed for the proposal - // @param contentInformation the context information associated with this proposal - // @param additionalProposalInfo the additional information associated with this proposal - ContextInformation info = new ContextInformation(proposal, help); - proposalList[idx] = new CompletionProposal(proposal, replacementOffset, replacementLength, documentOffset + proposal.length(), image, name, info, help); - - } - return proposalList; - } - return new ICompletionProposal[0]; - } - - private Image getImageFor(Object object) - { - ImageDescriptor descriptor = null; - Image image = null; - if (object instanceof ICandidateCommand) - { - ICandidateCommand cmd = (ICandidateCommand) object; - descriptor = cmd.getImageDescriptor(); - if (descriptor == null) - { - String type = cmd.getType(); - if (type.equals(ISystemOutputRemoteTypes.TYPE_FILE)) - { - descriptor = PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_OBJ_FILE); - } - else - { - descriptor = RSEUIPlugin.getDefault().getImageDescriptor(ISystemIconConstants.ICON_SYSTEM_RUN_ID); - } - } - } - else if (object instanceof IAdaptable) - { - ISystemViewElementAdapter adapter = (ISystemViewElementAdapter) ((IAdaptable) object).getAdapter(ISystemViewElementAdapter.class); - descriptor = adapter.getImageDescriptor(object); - } - - if (descriptor!=null) - { - image = (Image) _imageMap.get(descriptor); - if (image == null) - { - image = descriptor.createImage(); - _imageMap.put(descriptor, image); - } - } - return image; - } - - private Image getEnvironmentVariableImage() - { - if (_envImage == null) - { - _envImage = RSEUIPlugin.getDefault().getImageDescriptor(ISystemIconConstants.ICON_SYSTEM_ENVVAR_ID).createImage(); - } - return _envImage; - } - - private CompletionResults getCompletions(String firstToken, String currentText, boolean atFirstToken) - { - CompletionResults results = new CompletionResults(); - if (_remoteCommand != null && _remoteCommand.isActive()) - { - Object context = _remoteCommand.getContext(); - if (context instanceof IRemoteFile) - { - IRemoteFile workingDirectory = (IRemoteFile)context; - - int separatorIndex = currentText.lastIndexOf(_fileSeparator); - int foreignseparatorIndex = currentText.lastIndexOf(_foreignFileSeparator); - if (foreignseparatorIndex > separatorIndex) - { - separatorIndex = foreignseparatorIndex; - } - - if (separatorIndex > 0) - { - String previousText = currentText.substring(0, separatorIndex + 1).replace(_foreignFileSeparator, _fileSeparator); - String nextText = ""; - if (separatorIndex < currentText.length()) - { - nextText = currentText.substring(separatorIndex + 1, currentText.length()); - } - - IRemoteFile contextDirectory = null; - String contextPath = null; - if (!_isWindows && currentText.charAt(0) == _fileSeparator) - { - contextPath = previousText; - } - else - { - contextPath = workingDirectory.getAbsolutePath() + _fileSeparator + previousText; - } - - if (_lastFolderContext != null && _lastFolderContext.getAbsolutePath().equals(contextPath)) - { - contextDirectory = _lastFolderContext; - } - else - { - try - { - contextDirectory = RemoteFileUtility.getFileSubSystem(_remoteCommand.getCommandSubSystem().getHost()).getRemoteFileObject(contextPath); - _lastFolderContext = contextDirectory; - } - catch (Exception e) - { - } - } - getFileCompletions(contextDirectory, previousText, nextText, results, FILES_AND_FOLDERS); - - } - else - { - if (atFirstToken) - { - if (!_isWindows && currentText.length() > 0 && currentText.charAt(0) == _fileSeparator) - { - getAbsoluteFileCompletions("", currentText, results, FILES_AND_FOLDERS); - } - else - { - getFileCompletions(workingDirectory, "", currentText, results, FILES_ONLY); - getCommandCompletions(currentText, results); - } - } - else - { - int flag = FILES_AND_FOLDERS; - - if (firstToken.equals("cd")) - { - flag = FOLDERS_ONLY; - } - else - { - if (_isWindows) - { - if (firstToken.equals("set") || currentText.startsWith("%")) - { - getEnvironmentCompletions(currentText, results); - return results; - } - } - else if (firstToken.equals("export") || currentText.startsWith("$")) - { - getEnvironmentCompletions(currentText, results); - return results; - } - } - - getFileCompletions(workingDirectory, "", currentText, results, flag); - } - } - } - else - { - getCommandCompletions(currentText, results); - } - } - - return results; - } - - private void getEnvironmentCompletions(String currentText, CompletionResults results) - { - IRemoteCmdSubSystem cmdSubsystem = _remoteCommand.getCommandSubSystem(); - if (cmdSubsystem != null) - { - List vars = cmdSubsystem.getHostEnvironmentVariables(); - if (vars != null) - { - for (int i = 0; i < vars.size(); i++) - { - String var = (String) vars.get(i); - int eqSepIndex = var.indexOf('='); - String name = var.substring(0, eqSepIndex); - String value = var.substring(eqSepIndex + 1, var.length()); - boolean hasDollars = currentText.startsWith("$"); - String compareName = name; - if (hasDollars) - { - compareName = "$" + name; - } - boolean hasPercent = currentText.startsWith("%"); - if (hasPercent) - { - compareName = "%" + name + "%"; - } - - if (compareName.toLowerCase().startsWith(currentText.toLowerCase())) - { - - results.addResult(name, compareName, value, getEnvironmentVariableImage()); - } - } - } - } - } - - private void getCommandCompletions(String currentText, CompletionResults results) - { - IRemoteCmdSubSystem cmdSubsystem = _remoteCommand.getCommandSubSystem(); - if (cmdSubsystem != null) - { - ICandidateCommand[] cmds = cmdSubsystem.getCandidateCommands(_remoteCommand); - if (cmds != null) - { - for (int i = 0; i < cmds.length; i++) - { - ICandidateCommand cmd = cmds[i]; - String name = cmd.getName(); - if (name.toLowerCase().startsWith(currentText.toLowerCase())) - { - - results.addResult(name, name, cmd.getDescription(), getImageFor(cmd)); - } - } - } - } - } - - private void getAbsoluteFileCompletions(String prefix, String currentText, CompletionResults results, int flag) - { - if (!_isWindows) - { - int lastSlashIndex = currentText.lastIndexOf("/"); - String parentPath = currentText.substring(0, lastSlashIndex); - IRemoteFileSubSystem fs = RemoteFileUtility.getFileSubSystem(_remoteCommand.getCommandSubSystem().getHost()); - try - { - IRemoteFile parent = fs.getRemoteFileObject(parentPath); - - Object[] fileList = null; - - if (parent.hasContents(RemoteChildrenContentsType.getInstance())) - { - fileList = parent.getContents(RemoteChildrenContentsType.getInstance()); - } - else - { - fileList = parent.getParentRemoteFileSubSystem().listFoldersAndFiles(parent, currentText + "*", null); - } - - - for (int f1 = 0; f1 < fileList.length; f1++) - { - if (fileList[f1] instanceof IRemoteFile) - { - RemoteFile file = (RemoteFile) fileList[f1]; - if ((flag == FILES_ONLY && file.isFile()) || (flag == FOLDERS_ONLY && file.isDirectory()) || (flag == FILES_AND_FOLDERS)) - { - String name = file.getName(); - String proposal = prefix + name; - - if (name.startsWith(currentText)) - { - results.addResult(name, proposal, file.getAbsolutePath(), getImageFor(file)); - } - else if (_isWindows && name.toLowerCase().startsWith(currentText.toLowerCase())) - { - results.addResult(name, proposal, file.getAbsolutePath(), getImageFor(file)); - } - } - } - } - } - catch (Exception e) - { - } - } - } - - private void getFileCompletions(IRemoteFile workingDirectory, String prefix, String currentText, CompletionResults results, int flag) - { - - Object[] fileList = null; - String filterString = currentText + "*"; //$NON-NLS-1$ - - if (workingDirectory.hasContents(RemoteChildrenContentsType.getInstance()) && !workingDirectory.isStale()) - { - if (flag == FILES_ONLY) - { - fileList = workingDirectory.getContents(RemoteFileChildrenContentsType.getInstance(), filterString); - } - else if (flag == FOLDERS_ONLY) - { - fileList = workingDirectory.getContents(RemoteFolderChildrenContentsType.getInstance(), filterString); - } - else - { - fileList = workingDirectory.getContents(RemoteChildrenContentsType.getInstance(), filterString); - } - } - if (fileList==null || fileList.length==0) - { - try - { - fileList = workingDirectory.getParentRemoteFileSubSystem().listFoldersAndFiles(workingDirectory, filterString, null); - } - catch (SystemMessageException e) - { - } - } - //_provider.getChildren(workingDirectory); - - if (fileList != null && fileList.length > 0) - { - for (int f1 = 0; f1 < fileList.length; f1++) - { - if (fileList[f1] instanceof IRemoteFile) - { - RemoteFile file = (RemoteFile) fileList[f1]; - if ((flag == FILES_ONLY && file.isFile()) || (flag == FOLDERS_ONLY && file.isDirectory()) || (flag == FILES_AND_FOLDERS)) - { - String name = file.getName(); - String proposal = prefix + name; - - if (name.startsWith(currentText)) - { - results.addResult(name, proposal, file.getAbsolutePath(), getImageFor(file)); - } - else if (_isWindows && name.toLowerCase().startsWith(currentText.toLowerCase())) - { - results.addResult(name, proposal, file.getAbsolutePath(), getImageFor(file)); - } - } - } - } - } - } - - /* - * @see IContentAssistProcessor#computeContextInformation(ITextViewer, int) - */ - public IContextInformation[] computeContextInformation(ITextViewer viewer, int documentOffset) - { - return null; - } - - /* - * @see IContentAssistProcessor#getCompletionProposalAutoActivationCharacters() - */ - public char[] getCompletionProposalAutoActivationCharacters() - { - return _configurator.getCompletionProposalAutoActivationCharacters(); - } - - /* - * @see IContentAssistProcessor#getContextInformationAutoActivationCharacters() - */ - public char[] getContextInformationAutoActivationCharacters() - { - return null; - } - - /* - * @see IContentAssistProcessor#getErrorMessage() - */ - public String getErrorMessage() - { - return null; - } - - /* - * @see IContentAssistProcessor#getContextInformationValidator() - */ - public IContextInformationValidator getContextInformationValidator() - { - return null; - } - -}
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