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/*******************************************************************************
* Copyright (c) 2000, 2016 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.ui.internal.views;
import java.util.ArrayList;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.help.ui.internal.HelpUIPlugin;
import org.eclipse.help.ui.internal.Messages;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
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.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.SelectionStatusDialog;
public class RenameDialog extends SelectionStatusDialog {
private ArrayList<String> oldNames;
private String oldName;
private String newName;
private Text text;
private IStatus status;
private boolean isCaseSensitive;
/**
* Create a new rename dialog instance for the given window.
* @param shell The parent of the dialog
* @param oldName Current name of the item being renamed
*/
public RenameDialog(Shell shell, String oldName) {
super(shell);
this.isCaseSensitive = false;
initialize();
setOldName(oldName);
}
/**
* Create a new rename dialog instance for the given window.
* @param shell The parent of the dialog
* @param isCaseSensitive Flags whether dialog will perform case sensitive checks against old names
* @param names Set of names which the user should not be allowed to rename to
* @param oldName Current name of the item being renamed
*/
public RenameDialog(Shell shell, boolean isCaseSensitive, String[] names, String oldName){
super(shell);
this.isCaseSensitive = isCaseSensitive;
initialize();
if (names!=null){
for (int i = 0; i<names.length; i++)
addOldName(names[i]);
}
setOldName(oldName);
}
public void initialize(){
oldNames = new ArrayList<>();
setStatusLineAboveButtons(true);
this.setHelpAvailable(false);
}
public void addOldName(String oldName){
if (!oldNames.contains(oldName))
oldNames.add(oldName);
}
public void setOldName(String oldName) {
this.oldName = oldName;
if (text!=null)
text.setText(oldName);
this.newName = oldName;
}
@Override
protected Control createDialogArea(Composite parent) {
Composite container = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
layout.marginHeight = layout.marginWidth = 9;
container.setLayout(layout);
GridData gd = new GridData(GridData.FILL_BOTH);
container.setLayoutData(gd);
Label label = new Label(container, SWT.NULL);
label.setText(Messages.RenameDialog_label);
text = new Text(container, SWT.SINGLE|SWT.BORDER);
text.addModifyListener(e -> textChanged(text.getText(), true));
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.widthHint = 200;
text.setLayoutData(gd);
applyDialogFont(container);
return container;
}
@Override
public int open() {
text.setText(oldName);
text.selectAll();
setOkStatus();
textChanged(oldName, false);
return super.open();
}
private void textChanged(String text, boolean setStatus) {
Button okButton = getButton(IDialogConstants.OK_ID);
for (int i=0; i<oldNames.size(); i++){
if((isCaseSensitive && text.equals(oldNames.get(i))) ||
(!isCaseSensitive && text.equalsIgnoreCase(oldNames.get(i).toString()))){
if (setStatus) {
setErrorStatus(Messages.RenameDialog_validationError);
}
okButton.setEnabled(false);
return;
}
}
if (text.length() == 0 ) {
if (setStatus) {
setErrorStatus(Messages.RenameDialog_emptyName);
}
okButton.setEnabled(false);
return;
}
okButton.setEnabled(true);
if (setStatus) {
setOkStatus();
}
}
private void setErrorStatus(String errorMessage) {
status = new Status(
IStatus.ERROR,
HelpUIPlugin.PLUGIN_ID,
IStatus.ERROR,
errorMessage,
null);
updateStatus(status);
}
private void setOkStatus() {
status = new Status(
IStatus.OK,
HelpUIPlugin.PLUGIN_ID,
IStatus.OK,
"", //$NON-NLS-1$
null);
updateStatus(status);
}
public String getNewName() {
return newName;
}
@Override
protected void okPressed() {
newName = text.getText();
super.okPressed();
}
@Override
protected void computeResult() {
}
@Override
public void setTitle(String title) {
getShell().setText(title);
}
}
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