/*
* -----------------------------------------------------------------------
* File: $HeadURL: http://keith-laptop/svn/krs/LanguageTest/trunk/org.thanlwinsoft.languagetest/src/org/thanlwinsoft/languagetest/eclipse/wizards/NewLangModuleWizardPage.java $
* Revision $LastChangedRevision: 936 $
* Last Modified: $LastChangedDate: 2007-08-03 05:14:14 +0700 (Fri, 03 Aug 2007) $
* Last Change by: $LastChangedBy: keith $
* -----------------------------------------------------------------------
* Copyright (C) 2007 Keith Stribley <devel@thanlwinsoft.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
* -----------------------------------------------------------------------
*/
package org.thanlwinsoft.languagetest.eclipse.wizards;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardPage;
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.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ContainerSelectionDialog;
import org.thanlwinsoft.languagetest.MessageUtil;
import com.ibm.icu.text.DecimalFormat;
import com.ibm.icu.text.NumberFormat;
/**
* The "New" wizard page allows setting the container for the new file as well
* as the file name. The page will only accept file name without the extension
* OR with the extension that matches the expected one (lm.xml).
*/
public class NewLangModuleWizardPage extends WizardPage {
private Text containerText;
private Text fileText;
public final static String EXTENSION = "xml";
public final static String XML = "xml";
private ISelection selection;
/**
* Constructor for SampleNewWizardPage.
*
* @param pageName
*/
public NewLangModuleWizardPage(ISelection selection) {
super("wizardPage");
setTitle(MessageUtil.getString("NewLangModuleTitle"));
setDescription(MessageUtil.getString("NewLangModuleDesc"));
this.selection = selection;
}
/**
* @see IDialogPage#createControl(Composite)
*/
public void createControl(Composite parent) {
Composite container = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
container.setLayout(layout);
layout.numColumns = 3;
layout.verticalSpacing = 9;
Label label = new Label(container, SWT.NULL);
label.setText("&Container:");
containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
containerText.setLayoutData(gd);
containerText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
dialogChanged();
}
});
Button button = new Button(container, SWT.PUSH);
button.setText(MessageUtil.getString("Browse"));
button.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
handleBrowse();
}
});
label = new Label(container, SWT.NULL);
label.setText(MessageUtil.getString("FileName"));
fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
gd = new GridData(GridData.FILL_HORIZONTAL);
fileText.setLayoutData(gd);
fileText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
dialogChanged();
}
});
initialize();
dialogChanged();
setControl(container);
}
/**
* Tests if the current workbench selection is a suitable container to use.
*/
private void initialize() {
int count = 1;
final String extension = "." + EXTENSION;
NumberFormat nf = new DecimalFormat("000");
String fileName = MessageUtil.getString("NewLanguageModule","001") + extension;
if (selection != null && selection.isEmpty() == false
&& selection instanceof IStructuredSelection) {
IStructuredSelection ssel = (IStructuredSelection) selection;
if (ssel.size() > 1)
return;
Object obj = ssel.getFirstElement();
if (obj instanceof IResource) {
IContainer container;
if (obj instanceof IContainer)
container = (IContainer) obj;
else
container = ((IResource) obj).getParent();
containerText.setText(container.getFullPath().toString());
if (container.exists(new Path(fileName)))
{
fileName = MessageUtil.getString("NewLanguageModule",
nf.format(++count)) + extension;
}
}
}
fileText.setText(fileName);
}
/**
* Uses the standard container selection dialog to choose the new value for
* the container field.
*/
private void handleBrowse() {
ContainerSelectionDialog dialog = new ContainerSelectionDialog(
getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
"Select new file container");
if (dialog.open() == ContainerSelectionDialog.OK) {
Object[] result = dialog.getResult();
if (result.length == 1) {
containerText.setText(((Path) result[0]).toString());
}
}
}
/**
* Ensures that both text fields are set.
*/
private void dialogChanged() {
IResource container = ResourcesPlugin.getWorkspace().getRoot()
.findMember(new Path(getContainerName()));
String fileName = getFileName();
if (getContainerName().length() == 0) {
updateStatus(MessageUtil.getString("NewLangModule_ContainerMustBeSpecified"));
return;
}
if (container == null
|| (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) {
updateStatus(MessageUtil.getString("NewLangModule_ContainerMustExist"));
return;
}
if (!container.isAccessible()) {
updateStatus(MessageUtil.getString("NewLangModule_ProjectMustBeWritable"));
return;
}
if (fileName.length() == 0) {
updateStatus(MessageUtil.getString("NewLangModule_FileNameMustBeSpecified"));
return;
}
if (fileName.replace('\\', '/').indexOf('/', 1) > 0) {
updateStatus(MessageUtil.getString("NewLangModule_FileNameMustBeValid"));
return;
}
int dotLoc = fileName.lastIndexOf('.');
if (dotLoc > 0) {
int secondDot = fileName.lastIndexOf('.', dotLoc - 1);
if (secondDot != -1)
{
String ext = fileName.substring(secondDot + 1);
if (ext.equalsIgnoreCase(EXTENSION) == false)
{
updateStatus(MessageUtil.getString("NewLangModule_FileExtension",
EXTENSION));
return;
}
}
else
{
String ext = fileName.substring(dotLoc + 1);
if (ext.equalsIgnoreCase(EXTENSION) == false)
{
updateStatus(MessageUtil.getString("NewLangModule_FileExtension",
EXTENSION));
return;
}
}
}
else
{
updateStatus(MessageUtil.getString("NewLangModule_FileExtension",
EXTENSION));
return;
}
updateStatus(null);
}
private void updateStatus(String message) {
setErrorMessage(message);
setPageComplete(message == null);
}
public String getContainerName() {
return containerText.getText();
}
public String getFileName() {
return fileText.getText();
}
}