/*************************************************************************************
* Copyright (c) 2016 Red Hat, Inc. 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:
* JBoss by Red Hat - Initial implementation.
************************************************************************************/
package org.eclipse.wst.json.ui.internal.preferences;
import java.net.URI;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.ITreeSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
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.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.wst.json.core.JSONCorePlugin;
import org.eclipse.wst.json.core.internal.schema.catalog.EntryParser;
import org.eclipse.wst.json.core.internal.schema.catalog.UserEntries;
import org.eclipse.wst.json.core.internal.schema.catalog.UserEntry;
import org.eclipse.wst.json.schemaprocessor.internal.JSONSchemaProcessor;
import org.eclipse.wst.json.ui.internal.JSONUIMessages;
import org.eclipse.wst.json.ui.internal.JSONUIPlugin;
public class JSONCatalogPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
private TreeViewer viewer;
private UserEntries entries;
private UserEntry selectedEntry;
public void init(IWorkbench workbench) {
}
@Override
protected void performDefaults() {
storePreferences();
super.performDefaults();
}
@Override
public boolean performOk() {
storePreferences();
return super.performOk();
}
private void storePreferences() {
IEclipsePreferences prefs = getPreferences();
try {
String value = new EntryParser().serialize(entries.getEntries());
prefs.put(EntryParser.JSON_CATALOG_ENTRIES, value);
JSONCorePlugin.getDefault().clearCatalogCache();
JSONSchemaProcessor.clearCache();
} catch (Exception e) {
logException(e);
}
}
private static IEclipsePreferences getPreferences() {
IEclipsePreferences preferences = InstanceScope.INSTANCE
.getNode("org.eclipse.wst.json.ui"); //$NON-NLS-1$
return preferences;
}
private static void logException(Exception e) {
IStatus status = new Status(IStatus.ERROR, JSONUIPlugin.PLUGIN_ID, e
.getLocalizedMessage(), e);
JSONUIPlugin.getDefault().getLog().log(status);
}
@Override
protected Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(1, false);
layout.marginWidth = 0;
layout.marginHeight = 0;
composite.setLayout(layout);
Group entriesGroup = new Group(composite, SWT.NONE);
entriesGroup.setText(JSONUIMessages.JSON_Catalog_Entries);
GridLayout gl = new GridLayout(2, false);
entriesGroup.setLayout(gl);
entriesGroup.setLayoutData(new GridData(GridData.FILL_BOTH));
viewer = new TreeViewer(entriesGroup, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
viewer.setContentProvider(new EntriesContentProvider());
viewer.setLabelProvider(new EntriesLabelProvider());
entries = new UserEntries();
entries.getEntries().addAll(EntryParser.getUserEntries());
viewer.setInput(entries);
viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
viewer.expandAll();
Composite buttonComposite = new Composite(entriesGroup, SWT.NONE);
buttonComposite.setLayout(new GridLayout(1, false));
buttonComposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
Button addButton = new Button(buttonComposite, SWT.PUSH);
addButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
addButton.setText(JSONUIMessages.Add);
addButton.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent e) {
EntryDialog dialog = new EntryDialog(getShell(), null, entries);
int ok = dialog.open();
if (ok == Window.OK) {
String fileMatch = dialog.getFileMatch();
if (fileMatch != null) {
URI url = dialog.getURL();
UserEntry entry = new UserEntry();
entry.setUrl(url);
entry.setFileMatch(fileMatch);
entries.add(entry);
viewer.refresh();
}
}
}
});
final Button editButton = new Button(buttonComposite, SWT.PUSH);
editButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
editButton.setText(JSONUIMessages.Edit);
editButton.setEnabled(false);
editButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
if (selectedEntry == null) {
return;
}
EntryDialog dialog = new EntryDialog(getShell(), selectedEntry, entries);
int ok = dialog.open();
if (ok == Window.OK) {
String fileMatch = dialog.getFileMatch();
if (fileMatch != null) {
URI url = dialog.getURL();
UserEntry entry = selectedEntry;
entry.setUrl(url);
entry.setFileMatch(fileMatch);
viewer.refresh();
}
}
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
final Button removeButton = new Button(buttonComposite, SWT.PUSH);
removeButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
removeButton.setText(JSONUIMessages.Remove);
removeButton.setEnabled(false);
removeButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
if (selectedEntry != null) {
entries.getEntries().remove(selectedEntry);
viewer.refresh();
}
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
editButton.setEnabled(false);
removeButton.setEnabled(false);
selectedEntry = null;
ISelection selection = event.getSelection();
if (selection instanceof ITreeSelection) {
ITreeSelection treeSelection = (ITreeSelection) selection;
Object object = treeSelection.getFirstElement();
if (object instanceof UserEntry) {
selectedEntry = (UserEntry) object;
editButton.setEnabled(true);
removeButton.setEnabled(true);
}
}
}
});
return composite;
}
class EntriesContentProvider implements ITreeContentProvider {
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof UserEntries) {
return ((UserEntries) parentElement).getEntries().toArray();
}
return new Object[0];
}
public Object getParent(Object element) {
return null;
}
public boolean hasChildren(Object element) {
return element instanceof UserEntries;
}
public Object[] getElements(Object inputElement) {
return getChildren(inputElement);
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
class EntriesLabelProvider extends LabelProvider {
@Override
public Image getImage(Object element) {
return super.getImage(element);
}
@Override
public String getText(Object element) {
if (element instanceof UserEntry) {
UserEntry entry = (UserEntry) element;
String result = entry.getFileMatch();
return result;
}
return super.getText(element);
}
}
}