//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation and others.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.importing.xml.wizards;
import java.io.File;
import org.eclipse.epf.importing.ImportResources;
import org.eclipse.epf.importing.xml.ImportXMLPlugin;
import org.eclipse.epf.importing.xml.ImportXMLResources;
import org.eclipse.epf.importing.xml.preferences.ImportXMLPreferences;
import org.eclipse.epf.library.LibraryService;
import org.eclipse.epf.library.ui.LibraryUIResources;
import org.eclipse.epf.ui.wizards.BaseWizardPage;
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.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
/**
* A wizard page that prompts the user to select a XML file to import.
*
* @author Jinhua Xi
* @author Kelvin Low
* @since 1.0
*/
public class SelectXMLFilePage extends BaseWizardPage {
public static final String PAGE_NAME = SelectXMLFilePage.class.getName();
private Text pathText;
private String path;
private boolean mergeOption = true;
private int mergeLevel = 0; //0: undetermined, 1: default merge, 2: fine grade merge
private boolean checkBasePlugins = true;
/**
* Creates a new instance.
*/
public SelectXMLFilePage() {
super(PAGE_NAME);
setTitle(ImportXMLResources.selectXMLFilePage_title);
setDescription(ImportXMLResources.selectXMLFilePage_desc);
setImageDescriptor(ImportXMLPlugin.getDefault().getImageDescriptor(
"full/wizban/imp_xml_wizban.gif")); //$NON-NLS-1$
}
/**
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(Composite)
*/
public void createControl(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout(3, false));
composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Label fileLabel = new Label(composite, SWT.NONE);
fileLabel.setText(ImportXMLResources.fileLabel_text);
pathText = new Text(composite, SWT.BORDER);
pathText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
pathText.setText(ImportXMLPreferences.getXMLFile());
pathText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
if (isValidPath(pathText.getText().trim())) {
setPageComplete(true);
setErrorMessage(null);
} else {
setPageComplete(false);
setErrorMessage(ImportXMLResources.invalidXMLFile_error);
}
}
});
Button browseButton = new Button(composite, SWT.PUSH);
browseButton.setLayoutData(new GridData(GridData.END));
browseButton.setText(ImportXMLResources.browseButton_text);
browseButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
FileDialog fd = new FileDialog(Display.getCurrent()
.getActiveShell(), SWT.OPEN);
fd.setFilterExtensions(new String[] { "*.xml", "*.*" }); //$NON-NLS-1$ //$NON-NLS-2$
String path = fd.open();
boolean ok = false;
if (path != null) {
pathText.setText(path);
ok = isValidPath(path);
}
setPageComplete(ok);
}
});
Group optionGroup = new Group(composite, SWT.NONE);
optionGroup.setLayout(new GridLayout(1, false));
GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.horizontalSpan = 3;
optionGroup.setLayoutData(gridData);
optionGroup.setText(ImportXMLResources.optionGroup_text);
mergeOption = ImportXMLPreferences.getMergeOption();
mergeLevel = ImportXMLPreferences.getMergeLevel();
final Button overwriteRadioButton = createRadioButton(optionGroup,
ImportXMLResources.overwriteRadioButton_text, 1, !mergeOption);
overwriteRadioButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (!overwriteRadioButton.getSelection()) {
return;
}
mergeLevel = 0;
mergeOption = false;
}
});
final Button mergeRadioButton = createRadioButton(optionGroup,
ImportXMLResources.mergeRadioButton_text, 1, mergeOption && mergeLevel != 2);
mergeRadioButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (!mergeRadioButton.getSelection()) {
return;
}
mergeLevel = 1;
mergeOption = true;
}
});
final Button mergeRadioButton2 = createRadioButton(optionGroup,
ImportXMLResources.mergeRadioButton2_text, 1, mergeOption
&& mergeLevel == 2);
mergeRadioButton2.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (!mergeRadioButton2.getSelection()) {
return;
}
mergeOption = true;
mergeLevel = 2;
}
});
Group optionGroup1 = new Group(composite, SWT.NONE);
optionGroup1.setLayout(new GridLayout(1, false));
GridData gridData1 = new GridData(GridData.FILL_HORIZONTAL);
gridData1.horizontalSpan = 3;
optionGroup1.setLayoutData(gridData1);
optionGroup1.setText(ImportXMLResources.optionGroup1_text);
checkBasePlugins = ImportXMLPreferences.getCheckBasePluginsOption();
Button checkBaseRadioButton = createRadioButton(optionGroup1,
ImportResources.checkBaseRadioButton_text, 1, checkBasePlugins);
checkBaseRadioButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
checkBasePlugins = true;
}
});
Button ignoreRemoveRadioButton = createRadioButton(optionGroup1,
ImportResources.ignoreRemoveRadioButton_text, 1, !checkBasePlugins);
ignoreRemoveRadioButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
checkBasePlugins = false;
}
});
setControl(composite);
setPageComplete(isValidPath(pathText.getText().trim()));
createAdditionalControls(composite);
}
/**
* Adds additional controls to this wizard page.
*
* @param composite the parent composite
*/
protected void createAdditionalControls(Composite composite) {
}
/**
* Checks whether the user specific path is valid.
*
* @param path
* the user specific path
* @return <code>true</code> if the user specified path is valid.
*/
private boolean isValidPath(String path) {
File file = new File(path);
if (file.exists() && file.isFile()) {
this.path = path;
return true;
}
return false;
}
/**
* Gets the user specified XML file.
*
* @return an absolute path to the XML file
*/
public String getPath() {
return path;
}
/**
* Gets the user specified import option.
*
* @return <code>true</code> if the user selected the merge option,
* <code>false</code> if the user selected the overwrite option
*/
public boolean getMergeOption() {
return mergeOption;
}
/**
* @see org.eclipse.jface.wizard.WizardPage#isPageComplete()
*/
public boolean isPageComplete() {
if (LibraryService.getInstance().getCurrentMethodLibrary() == null) {
setErrorMessage(LibraryUIResources.noOpenLibraryWarning_msg);
return false;
}
return super.isPageComplete();
}
/**
* Gets the user specified check base plugin option.
*
* @return <code>true</code> if the user selected the check base plugin option,
* <code>false</code> if the user selected the ignore check base plugin option
*/
public boolean getCheckBasePlugins() {
return checkBasePlugins;
}
public int getMergerLevel() {
return mergeLevel;
}
}