X-Git-Url: http://secure.phpeclipse.com

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
index 0000000..0ed5df5
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/ltk/ui/actions/RenameLocalVariable.java
@@ -0,0 +1,212 @@
+// 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;
+	}
+}