1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / ltk / ui / actions / RenameLocalVariable.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/ltk/ui/actions/RenameLocalVariable.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/ltk/ui/actions/RenameLocalVariable.java
new file mode 100644 (file)
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+// Copyright (c) 2005 by Leif Frenzel. All rights reserved.
+// See http://leiffrenzel.de
+// modified for phpeclipse.de project by axelcl
+package net.sourceforge.phpdt.ltk.ui.actions;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.internal.core.SourceMethod;
+import net.sourceforge.phpdt.internal.ui.util.PHPFileUtil;
+import net.sourceforge.phpdt.ltk.core.RenameIdentifierInfo;
+import net.sourceforge.phpdt.ltk.core.RenameIdentifierRefactoring;
+import net.sourceforge.phpdt.ltk.core.RenameLocalVariableDelegate;
+import net.sourceforge.phpdt.ltk.core.RenamePHPProcessor;
+import net.sourceforge.phpdt.ltk.ui.UITexts;
+import net.sourceforge.phpdt.ltk.ui.wizards.RenameLocalVariableWizard;
+import net.sourceforge.phpdt.ui.IWorkingCopyManager;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor;
+import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IEditorActionDelegate;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IFileEditorInput;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.ide.IDE;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+public class RenameLocalVariable implements IEditorActionDelegate {
+
+       private ISelection selection;
+
+       private IEditorPart targetEditor;
+
+       private boolean onPHPFile;
+
+       private RenameIdentifierInfo info = new RenameIdentifierInfo();
+
+       public void setActiveEditor(final IAction action,
+                       final IEditorPart targetEditor) {
+               this.targetEditor = targetEditor;
+               onPHPFile = false;
+               IFile file = getFile();
+
+               if (file != null && PHPFileUtil.isPHPFile(file)) {
+                       onPHPFile = true;
+               }
+       }
+
+       public void run(final IAction action) {
+               if (!onPHPFile) {
+                       refuse();
+               } else {
+                       if (selection != null && selection instanceof ITextSelection) {
+                               String word = null;
+                               Point point = null;
+                               if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
+                                       PHPEditor editor = (PHPEditor) targetEditor;
+                                       if (editor != null) {
+                                               ITextSelection textSelection = (ITextSelection) editor
+                                                               .getSelectionProvider().getSelection();
+                                               IDocument doc = editor.getDocumentProvider()
+                                                               .getDocument(editor.getEditorInput());
+                                               int pos = textSelection.getOffset();
+                                               point = PHPWordExtractor.findWord(doc, pos);
+                                               if (point != null) {
+                                                       try {
+                                                               word = doc.get(point.x, point.y);
+                                                               IWorkingCopyManager manager = PHPeclipsePlugin
+                                                                               .getDefault().getWorkingCopyManager();
+                                                               ICompilationUnit unit = manager
+                                                                               .getWorkingCopy(editor.getEditorInput());
+                                                               SourceMethod method = (SourceMethod) findEnclosingElement(
+                                                                               point.x, unit, IJavaElement.METHOD);
+                                                               if (word == null || word.charAt(0) != '$'
+                                                                               || method == null
+                                                                               || !(method instanceof SourceMethod)) {
+                                                                       refuseLocalVariable();
+                                                               } else {
+                                                                       applySelection((ITextSelection) selection,
+                                                                                       word, point, method);
+                                                                       if (saveAll()) {
+                                                                               openWizard();
+                                                                       }
+                                                               }
+                                                       } catch (BadLocationException e) {
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+               }
+       }
+
+       /**
+        * Returns the enclosing element of a particular element type,
+        * <code>null</code> if no enclosing element of that type exists.
+        */
+       public IJavaElement findEnclosingElement(int start, ICompilationUnit cu,
+                       int elementType) {
+               if (cu == null)
+                       return null;
+
+               try {
+                       IJavaElement element = cu.getElementAt(start);
+                       if (element == null) {
+                               element = cu;
+                       }
+
+                       return element.getAncestor(elementType);
+
+               } catch (JavaModelException e) {
+                       return null;
+               }
+       }
+
+       public void selectionChanged(final IAction action,
+                       final ISelection selection) {
+               this.selection = selection;
+       }
+
+       // helping methods
+       // ////////////////
+
+       private void applySelection(final ITextSelection textSelection,
+                       String word, Point point, SourceMethod method) {
+               if (word != null) {
+                       info.setOldName(word);
+                       info.setNewName(word);
+                       info.setOffset(point.x);
+               } else {
+                       info.setOldName(textSelection.getText());
+                       info.setNewName(textSelection.getText());
+                       info.setOffset(textSelection.getOffset());
+               }
+               info.setMethod(method);
+               info.setSourceFile(getFile());
+       }
+
+       private void refuseLocalVariable() {
+               String title = UITexts.renameLocalVariable_refuseDlg_title;
+               String message = UITexts.renameLocalVariable_refuseDlg_message;
+               MessageDialog.openInformation(getShell(), title, message);
+       }
+
+       private void refuse() {
+               String title = UITexts.renameProperty_refuseDlg_title;
+               String message = UITexts.renameProperty_refuseDlg_message;
+               MessageDialog.openInformation(getShell(), title, message);
+       }
+
+       private static boolean saveAll() {
+               IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
+               return IDE.saveAllEditors(new IResource[] { workspaceRoot }, false);
+       }
+
+       private void openWizard() {
+               RenameLocalVariableDelegate delegate = new RenameLocalVariableDelegate(
+                               info);
+               RefactoringProcessor processor = new RenamePHPProcessor(info, delegate);
+               RenameIdentifierRefactoring ref = new RenameIdentifierRefactoring(
+                               processor);
+               RenameLocalVariableWizard wizard = new RenameLocalVariableWizard(ref,
+                               info);
+               RefactoringWizardOpenOperation op = new RefactoringWizardOpenOperation(
+                               wizard);
+               try {
+                       String titleForFailedChecks = ""; //$NON-NLS-1$
+                       op.run(getShell(), titleForFailedChecks);
+               } catch (final InterruptedException irex) {
+                       // operation was cancelled
+               }
+       }
+
+       private Shell getShell() {
+               Shell result = null;
+               if (targetEditor != null) {
+                       result = targetEditor.getSite().getShell();
+               } else {
+                       result = PlatformUI.getWorkbench().getActiveWorkbenchWindow()
+                                       .getShell();
+               }
+               return result;
+       }
+
+       private final IFile getFile() {
+               IFile result = null;
+               if (targetEditor instanceof ITextEditor) {
+                       ITextEditor editor = (ITextEditor) targetEditor;
+                       IEditorInput input = editor.getEditorInput();
+                       if (input instanceof IFileEditorInput) {
+                               result = ((IFileEditorInput) input).getFile();
+                       }
+               }
+               return result;
+       }
+}