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/*******************************************************************************
* Copyright (c) 2002, 2008 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 API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
* David Carver/STAR Standard - d_a_carver@yahoo.com - bug 192568
* Removed Advanced button - Functionality is now in the
* Import/Export XML Catalog Wizards.
*
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.catalog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.wst.xml.core.internal.XMLCorePlugin;
import org.eclipse.wst.xml.core.internal.catalog.CatalogSet;
import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalog;
import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalogEntry;
import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalogEvent;
import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalogListener;
import org.eclipse.wst.xml.core.internal.catalog.provisional.INextCatalog;
public class XMLCatalogPreferencePage extends PreferencePage implements IWorkbenchPreferencePage, ICatalogListener {
protected XMLCatalogEntriesView catalogEntriesView;
protected ICatalog workingUserCatalog;
protected ICatalog systemCatalog;
protected ICatalog userCatalog;
protected ICatalog defaultCatalog;
protected Button advancedButton;
public XMLCatalogPreferencePage() {
defaultCatalog = XMLCorePlugin.getDefault().getDefaultXMLCatalog();
INextCatalog[] nextCatalogs = defaultCatalog.getNextCatalogs();
for (int i = 0; i < nextCatalogs.length; i++) {
INextCatalog catalog = nextCatalogs[i];
ICatalog referencedCatalog = catalog.getReferencedCatalog();
if (referencedCatalog != null) {
if (XMLCorePlugin.SYSTEM_CATALOG_ID.equals(referencedCatalog.getId())) {
systemCatalog = referencedCatalog;
}
else if (XMLCorePlugin.USER_CATALOG_ID.equals(referencedCatalog.getId())) {
userCatalog = referencedCatalog;
}
}
}
}
public void dispose() {
super.dispose();
workingUserCatalog.removeListener(this);
}
/**
* Refresh the view in responce to an event sent by the Catalog
*/
public void catalogChanged(ICatalogEvent event) {
catalogEntriesView.updatePage();
}
/**
* Creates preference page controls on demand.
*
* @param parent
* the parent for the preference page
*/
protected Control createContents(Composite parent) {
// we create a working copy of the 'User Settings' for the Catalog
// that we can modify
CatalogSet tempCatalogSet = new CatalogSet();
workingUserCatalog = tempCatalogSet.lookupOrCreateCatalog("working", ""); //$NON-NLS-1$ //$NON-NLS-2$
// TODO: add entries from the nested catalogs as well
workingUserCatalog.addEntriesFromCatalog(userCatalog);
workingUserCatalog.addListener(this);
noDefaultAndApplyButton();
Composite composite = new Composite(parent, SWT.NULL);
// WorkbenchHelp.setHelp(composite, new
// ControlContextComputer(composite,
// XMLBuilderContextIds.XMLP_CATALOG_PAGE));
composite.setLayout(new GridLayout());
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
createCatalogEntriesView(composite);
createCatalogDetailsView(composite);
//createAdvancedButton(composite);
// catalogEntriesView.updatePage();
applyDialogFont(composite);
return composite;
}
/**
* @deprecated
* @param composite
*/
protected void createAdvancedButton(Composite composite) {
Composite panel = new Composite(composite, SWT.NONE);
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 3;
panel.setLayout(gridLayout);
panel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
// TODO... is there a better way to expand the page width?
// This invisible label is created to force the width of the page to
// be
// wide enough to show
// the rather long uri and key fields of a catalog entry.
Label widthFudger = new Label(panel, SWT.NONE);
String widthFudgerString = ""; //$NON-NLS-1$
for (int i = 0; i < 55; i++) {
widthFudgerString += "x"; //$NON-NLS-1$
}
widthFudger.setText(widthFudgerString);
widthFudger.setVisible(false);
Composite placeHolder = new Composite(panel, SWT.NONE);
placeHolder.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
advancedButton = new Button(panel, SWT.NONE);
advancedButton.setText(XMLCatalogMessages.UI_LABEL_ADVANCED);
SelectionListener selectionListener = new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
AdvancedOptionsDialog dialog = new AdvancedOptionsDialog(getShell(), workingUserCatalog);
dialog.create();
dialog.getShell().setText(XMLCatalogMessages.UI_LABEL_ADVANCED_XML_CATALOG_PREFS);
dialog.setBlockOnOpen(true);
dialog.open();
}
};
advancedButton.addSelectionListener(selectionListener);
}
public boolean isSameFileName(String a, String b) {
boolean result = false;
if ((a == null) && (b == null)) {
result = true;
}
else if ((a != null) && (b != null)) {
result = a.equals(b);
}
return result;
}
protected void createCatalogEntriesView(Composite parent) {
Group group = new Group(parent, SWT.NONE);
group.setLayout(new GridLayout());
group.setLayoutData(new GridData(GridData.FILL_BOTH));
group.setText(XMLCatalogMessages.UI_LABEL_USER_ENTRIES);
group.setToolTipText(XMLCatalogMessages.UI_LABEL_USER_ENTRIES_TOOL_TIP);
// WorkbenchHelp.setHelp(userEntriesGroup, new
// ControlContextComputer(userEntriesGroup,
// XMLBuilderContextIds.XMLP_CATALOG_USER_GROUP));
catalogEntriesView = new XMLCatalogEntriesView(group, workingUserCatalog, systemCatalog);
catalogEntriesView.setLayoutData(new GridData(GridData.FILL_BOTH));
}
protected void createCatalogDetailsView(Composite parent) {
Group detailsGroup = new Group(parent, SWT.NONE);
detailsGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
detailsGroup.setLayout(new GridLayout());
detailsGroup.setText(XMLCatalogMessages.UI_LABEL_DETAILS);
final XMLCatalogEntryDetailsView detailsView = new XMLCatalogEntryDetailsView(detailsGroup);
ISelectionChangedListener listener = new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
ISelection selection = event.getSelection();
Object selectedObject = (selection instanceof IStructuredSelection) && ((IStructuredSelection) selection).size() == 1 ? ((IStructuredSelection) selection).getFirstElement() : null;
if (selectedObject instanceof ICatalogEntry) {
ICatalogEntry entry = (ICatalogEntry) selectedObject;
detailsView.setCatalogElement(entry);
}
else if (selectedObject instanceof INextCatalog) {
INextCatalog entry = (INextCatalog) selectedObject;
detailsView.setCatalogElement(entry);
}
else {
detailsView.setCatalogElement((ICatalogEntry) null);
}
}
};
catalogEntriesView.getViewer().addSelectionChangedListener(listener);
}
/**
* Do anything necessary because the OK button has been pressed.
*
* @return whether it is okay to close the preference page
*/
public boolean performOk() {
return storeValues();
}
/**
* @see IWorkbenchPreferencePage
*/
public void init(IWorkbench workbench) {
}
/**
* Stores the values of the controls back to the preference store.
*/
private boolean storeValues() {
// dw Object fileObject = null;
try {
// update the userCatalog so that its the same as the working
// catalog
userCatalog.clear();
// TODO add entries from the nested catalogs?
userCatalog.addEntriesFromCatalog(workingUserCatalog);
// now save the userCatalog
userCatalog.save();
}
catch (Exception e) {
}
return true;
}
}
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