/**
* Copyright (c) 2005-2013 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.
*/
package org.python.pydev.shared_ui.search.replace;
import java.lang.reflect.Constructor;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.regex.PatternSyntaxException;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.fieldassist.ComboContentAdapter;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.fieldassist.ContentAssistCommandAdapter;
import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
import org.python.pydev.shared_ui.SharedUiPlugin;
import org.python.pydev.shared_ui.search.ICustomSearchQuery;
import org.python.pydev.shared_ui.search.SearchMessages;
public class ReplaceConfigurationPage extends UserInputWizardPage {
private static final String SETTINGS_GROUP = "ReplaceDialog2"; //$NON-NLS-1$
private static final String SETTINGS_REPLACE_WITH = "replace_with"; //$NON-NLS-1$
private final ReplaceRefactoring fReplaceRefactoring;
private Combo fTextField;
private Button fReplaceWithRegex;
private Label fStatusLabel;
private ContentAssistCommandAdapter fTextFieldContentAssist;
public ReplaceConfigurationPage(ReplaceRefactoring refactoring) {
super("ReplaceConfigurationPage"); //$NON-NLS-1$
fReplaceRefactoring = refactoring;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
@Override
public void createControl(Composite parent) {
Composite result = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(2, false);
result.setLayout(layout);
Label description = new Label(result, SWT.NONE);
int numberOfMatches = fReplaceRefactoring.getNumberOfMatches();
int numberOfFiles = fReplaceRefactoring.getNumberOfFiles();
String[] arguments = { String.valueOf(numberOfMatches), String.valueOf(numberOfFiles) };
if (numberOfMatches > 1 && numberOfFiles > 1) {
description.setText(MessageFormat.format(SearchMessages.ReplaceConfigurationPage_description_many_in_many,
(Object[]) arguments));
} else if (numberOfMatches == 1) {
description.setText(SearchMessages.ReplaceConfigurationPage_description_one_in_one);
} else {
description.setText(MessageFormat.format(SearchMessages.ReplaceConfigurationPage_description_many_in_one,
(Object[]) arguments));
}
description.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false, 2, 1));
ICustomSearchQuery query = fReplaceRefactoring.getQuery();
Label label1 = new Label(result, SWT.NONE);
label1.setText(SearchMessages.ReplaceConfigurationPage_replace_label);
Text clabel = new Text(result, SWT.BORDER | SWT.READ_ONLY);
clabel.setText(query.getSearchString());
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.widthHint = convertWidthInCharsToPixels(50);
clabel.setLayoutData(gd);
Label label2 = new Label(result, SWT.NONE);
label2.setText(SearchMessages.ReplaceConfigurationPage_with_label);
fTextField = new Combo(result, SWT.DROP_DOWN);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.widthHint = convertWidthInCharsToPixels(50);
fTextField.setLayoutData(gd);
fTextField.setFocus();
fTextField.addModifyListener(new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
updateOKStatus();
}
});
IDialogSettings settings = SharedUiPlugin.getDefault().getDialogSettings().getSection(SETTINGS_GROUP);
if (settings != null) {
String[] previousReplaceWith = settings.getArray(SETTINGS_REPLACE_WITH);
if (previousReplaceWith != null) {
fTextField.setItems(previousReplaceWith);
fTextField.select(0);
}
}
ComboContentAdapter contentAdapter = new ComboContentAdapter();
IContentProposalProvider replaceProposer = null;
//the code below is so that this works in Eclipse 3.3.
try {
//new FindReplaceDocumentAdapterContentProposalProvider(false);
Class<?> class1 = getClass().getClassLoader().loadClass(
"org.eclipse.jface.text.FindReplaceDocumentAdapterContentProposalProvider");
Constructor<?> constructor = class1.getConstructor(Boolean.class);
replaceProposer = (IContentProposalProvider) constructor.newInstance(false);
} catch (Throwable e) {
//just ignore it if we don't succeed
}
try {
fTextFieldContentAssist = new ContentAssistCommandAdapter(fTextField, contentAdapter, replaceProposer,
ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS, new char[] { '$', '\\' }, true);
} catch (Throwable e) {
// Not available in eclipse 3.2
fTextFieldContentAssist = new ContentAssistCommandAdapter(fTextField, contentAdapter, replaceProposer,
ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS, new char[] { '$', '\\' });
}
new Label(result, SWT.NONE);
fReplaceWithRegex = new Button(result, SWT.CHECK);
fReplaceWithRegex.setText(SearchMessages.ReplaceConfigurationPage_isRegex_label);
fReplaceWithRegex.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
setContentAssistsEnablement(fReplaceWithRegex.getSelection());
}
});
if (query.isRegexSearch()) {
fReplaceWithRegex.setSelection(true);
} else {
fReplaceWithRegex.setSelection(false);
fReplaceWithRegex.setEnabled(false);
}
fStatusLabel = new Label(result, SWT.NULL);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.verticalAlignment = SWT.BOTTOM;
gd.horizontalSpan = 2;
fStatusLabel.setLayoutData(gd);
setContentAssistsEnablement(fReplaceWithRegex.getSelection());
setControl(result);
Dialog.applyDialogFont(result);
PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), "org.eclipse.search.replace_dialog_context");
}
final void updateOKStatus() {
RefactoringStatus status = new RefactoringStatus();
if (fReplaceWithRegex != null && fReplaceWithRegex.getSelection()) {
try {
PatternConstructor.interpretReplaceEscapes(fReplaceWithRegex.getText(), fReplaceRefactoring.getQuery()
.getSearchString(), "\n"); //$NON-NLS-1$
} catch (PatternSyntaxException e) {
String locMessage = e.getLocalizedMessage();
int i = 0;
while (i < locMessage.length() && "\n\r".indexOf(locMessage.charAt(i)) == -1) { //$NON-NLS-1$
i++;
}
status.addError(locMessage.substring(0, i)); // only take first line
}
}
setPageComplete(status);
}
private void setContentAssistsEnablement(boolean enable) {
fTextFieldContentAssist.setEnabled(enable);
}
/* (non-Javadoc)
* @see org.eclipse.ltk.ui.refactoring.UserInputWizardPage#performFinish()
*/
@Override
protected boolean performFinish() {
initializeRefactoring();
storeSettings();
return super.performFinish();
}
/* (non-Javadoc)
* @see org.eclipse.ltk.ui.refactoring.UserInputWizardPage#getNextPage()
*/
@Override
public IWizardPage getNextPage() {
initializeRefactoring();
storeSettings();
return super.getNextPage();
}
private void storeSettings() {
String[] items = fTextField.getItems();
ArrayList<String> history = new ArrayList<String>();
history.add(fTextField.getText());
int historySize = Math.min(items.length, 6);
for (int i = 0; i < historySize; i++) {
String curr = items[i];
if (!history.contains(curr)) {
history.add(curr);
}
}
IDialogSettings settings = SharedUiPlugin.getDefault().getDialogSettings().addNewSection(SETTINGS_GROUP);
settings.put(SETTINGS_REPLACE_WITH, history.toArray(new String[history.size()]));
}
private void initializeRefactoring() {
fReplaceRefactoring.setReplaceString(fTextField.getText());
}
}