Java tutorial
/** * Copyright (c) 2005-2012 by Appcelerator, Inc. All Rights Reserved. * Licensed under the terms of the Eclipse Public License (EPL). * Please see the license.txt included with this distribution for details. * Any modifications to this file must keep this entire header intact. */ /* * Created on Apr 8, 2006 */ package com.python.pydev.refactoring.wizards.rename; import org.eclipse.core.resources.IFile; import org.eclipse.core.runtime.Assert; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.ltk.core.refactoring.Refactoring; import org.eclipse.ltk.core.refactoring.RefactoringStatus; import org.eclipse.ltk.ui.refactoring.RefactoringWizard; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.python.pydev.core.docutils.PyStringUtils; import org.python.pydev.editor.refactoring.IPyRefactoringRequest; import org.python.pydev.editor.refactoring.MultiModuleMoveRefactoringRequest; import org.python.pydev.plugin.preferences.PydevPrefs; import com.python.pydev.refactoring.wizards.TextInputWizardPage; public class PyRenameRefactoringWizard extends RefactoringWizard { private static final String UPDATE_REFERENCES = "UPDATE_REFERENCES"; private static final String SIMPLE_RESOURCE_RENAME = "SIMPLE_RESOURCE_RENAME"; private final String fInputPageDescription; private IPyRefactoringRequest fRequest; private TextInputWizardPage inputPage; private String fInitialSetting; public PyRenameRefactoringWizard(Refactoring refactoring, String defaultPageTitle, String inputPageDescription, IPyRefactoringRequest request) { super(refactoring, DIALOG_BASED_USER_INTERFACE); setDefaultPageTitle(defaultPageTitle); fInputPageDescription = inputPageDescription; this.fRequest = request; this.fInitialSetting = request.getInitialName(); Assert.isNotNull(this.fInitialSetting); } /* non java-doc * @see RefactoringWizard#addUserInputPages */ @Override protected void addUserInputPages() { inputPage = createInputPage(fInputPageDescription, fInitialSetting); addPage(inputPage); } protected TextInputWizardPage createInputPage(String message, final String initialSetting) { return new TextInputWizardPage(message, true, initialSetting) { private Text textField; private IFile targetFile; @Override protected RefactoringStatus validateTextField(String text) { RefactoringStatus status = new RefactoringStatus(); boolean acceptPoint = fRequest.isModuleRenameRefactoringRequest(); if (PyStringUtils.isValidIdentifier(text, acceptPoint)) { fRequest.setInputName(text); } else { status.addFatalError("The name: " + text + " is not a valid identifier."); } return status; } @Override protected Text createTextInputField(Composite parent, int style) { Text ret = super.createTextInputField(parent, style); this.textField = ret; setTextToFullName(); return ret; } private void setTextToResourceName() { if (targetFile != null) { String curr = targetFile.getName(); textField.setText(curr); int i = curr.lastIndexOf('.'); if (i >= 0) { textField.setSelection(0, i); } else { textField.selectAll(); } } } private void setTextToFullName() { textField.setText(initialSetting); String text = initialSetting; int i = text.lastIndexOf('.'); if (i >= 0) { textField.setSelection(i + 1, text.length()); } else { textField.selectAll(); } } @Override protected void textModified(String text) { if (targetFile != null && fRequest.getSimpleResourceRename()) { if (!isEmptyInputValid() && text.equals("")) { //$NON-NLS-1$ setPageComplete(false); setErrorMessage(null); restoreMessage(); return; } if ((!isInitialInputValid()) && text.equals(targetFile.getName())) { setPageComplete(false); setErrorMessage(null); restoreMessage(); return; } setPageComplete(validateTextField(text)); } if (fRequest instanceof MultiModuleMoveRefactoringRequest) { RefactoringStatus status; if (text.length() == 0) { //Accept empty for move! status = new RefactoringStatus(); status.addInfo("Empty text: move to source folder"); } else { status = validateTextField(text); } if (!status.hasFatalError()) { fRequest.setInputName(text); } setPageComplete(status); } else { super.textModified(text); } } public void createControl(Composite parent) { Composite superComposite = new Composite(parent, SWT.NONE); setControl(superComposite); initializeDialogUnits(superComposite); superComposite.setLayout(new GridLayout()); Composite composite = new Composite(superComposite, SWT.NONE); composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.verticalSpacing = 8; composite.setLayout(layout); Label label = new Label(composite, SWT.NONE); label.setText("New &value:"); Text text = createTextInputField(composite); GridData gd = new GridData(GridData.FILL_HORIZONTAL); gd.widthHint = convertWidthInCharsToPixels(25); text.setLayoutData(gd); // layouter.perform(label, text, 1); // if (fRequest.isModuleRenameRefactoringRequest()) { Button updateReferencesButton = addOptionalUpdateReferencesCheckbox(composite); IFile targetFile = fRequest.getIFileResource(); if (targetFile != null) { this.targetFile = targetFile; addResourceRenameCheckbox(composite, updateReferencesButton); } } // addOptionalUpdateTextualMatches(composite, layouter); // addOptionalUpdateQualifiedNameComponent(composite, layouter, layout.marginWidth); Dialog.applyDialogFont(superComposite); } protected Button addResourceRenameCheckbox(Composite result, final Button updateReferencesButton) { final Button resourceRename = new Button(result, SWT.CHECK); resourceRename.setText("&Simple Resource Rename / Change Extension?"); IPreferenceStore preferences = PydevPrefs.getPreferences(); preferences.setDefault(SIMPLE_RESOURCE_RENAME, false); //Default is always false to rename resources. boolean simpleResourceRenameBool = preferences.getBoolean(SIMPLE_RESOURCE_RENAME); resourceRename.setSelection(simpleResourceRenameBool); fRequest.setSimpleResourceRename(simpleResourceRenameBool); resourceRename.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { IPreferenceStore preferences = PydevPrefs.getPreferences(); boolean simpleResourceRenameBool = resourceRename.getSelection(); updateReferencesButton.setVisible(!simpleResourceRenameBool); preferences.setValue(SIMPLE_RESOURCE_RENAME, simpleResourceRenameBool); fRequest.setSimpleResourceRename(simpleResourceRenameBool); // Must be the last thing. if (simpleResourceRenameBool) { setTextToResourceName(); } else { setTextToFullName(); } } }); GridData gridData = new GridData(GridData.FILL_HORIZONTAL); gridData.horizontalSpan = 2; resourceRename.setLayoutData(gridData); updateReferencesButton.setVisible(!simpleResourceRenameBool); if (simpleResourceRenameBool) { setTextToResourceName(); } return resourceRename; } protected Button addOptionalUpdateReferencesCheckbox(Composite result) { final Button updateReferences = new Button(result, SWT.CHECK); updateReferences.setText("&Update References?"); IPreferenceStore preferences = PydevPrefs.getPreferences(); preferences.setDefault(UPDATE_REFERENCES, true); //Default is always true to update references. boolean updateRefs = preferences.getBoolean(UPDATE_REFERENCES); updateReferences.setSelection(updateRefs); fRequest.setUpdateReferences(updateRefs); updateReferences.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { IPreferenceStore preferences = PydevPrefs.getPreferences(); boolean updateRefs = updateReferences.getSelection(); preferences.setValue(UPDATE_REFERENCES, updateRefs); fRequest.setUpdateReferences(updateRefs); } }); GridData gridData = new GridData(GridData.FILL_HORIZONTAL); gridData.horizontalSpan = 2; updateReferences.setLayoutData(gridData); return updateReferences; } }; } }