bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/StartupPreferencePage.java

package org.eclipse.ui.internal.dialogs;

/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp. 
All rights reserved.   This program and the accompanying materials
are made available under the terms of the Common Public License v0.5
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v05.html
 
Contributors:
**********************************************************************/
import org.eclipse.core.runtime.IPluginDescriptor;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.ui.internal.*;

public class StartupPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
	private Table pluginsList;
	private Workbench workbench;
	
	/**
	 * @see PreferencePage#createContents(Composite)
	 */
	protected Control createContents(Composite parent) {
		WorkbenchHelp.setHelp(parent, IHelpContextIds.STARTUP_PREFERENCE_PAGE);
		
		Font font = parent.getFont();
		
		Composite composite = new Composite(parent, SWT.NULL);
		GridLayout layout = new GridLayout();
		layout.marginWidth = 0;
		layout.marginHeight = 0;
		composite.setLayout(layout);
		GridData data = new GridData(GridData.FILL_BOTH | GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL);
		composite.setLayoutData(data);
		composite.setFont(font);

		Label label = new Label(composite,SWT.NONE);
		label.setText(WorkbenchMessages.getString("StartupPreferencePage.label")); //$NON-NLS-1$
		label.setFont(font);
		data = new GridData(GridData.FILL_HORIZONTAL);
		label.setLayoutData(data);		
		pluginsList = new Table(composite,SWT.BORDER | SWT.CHECK | SWT.H_SCROLL | SWT.V_SCROLL);
		data = new GridData(GridData.FILL_BOTH);
		pluginsList.setFont(font)	;
		pluginsList.setLayoutData(data);
		populatePluginsList();

		return composite;
	}
	private void populatePluginsList() {
		IPluginDescriptor descriptors[] = workbench.getEarlyActivatedPlugins();
		IPreferenceStore store = workbench.getPreferenceStore();
		String pref = store.getString(IPreferenceConstants.PLUGINS_NOT_ACTIVATED_ON_STARTUP);
		if(pref == null)
			pref = new String();
		for (int i = 0; i < descriptors.length; i++) {
			IPluginDescriptor desc = descriptors[i];
			TableItem item = new TableItem(pluginsList,SWT.NONE);
			item.setText(desc.getLabel());
			item.setData(desc);
			String id = desc.getUniqueIdentifier() + IPreferenceConstants.SEPARATOR;
			item.setChecked(pref.indexOf(id) < 0);
		}
	}
	/**
	 * @see IWorkbenchPreferencePage
	 */
	public void init(IWorkbench workbench) {
		this.workbench = (Workbench)workbench;
	}
	/**
	 * @see PreferencePage
	 */
	protected void performDefaults() {
		TableItem items[] = pluginsList.getItems();
		for (int i = 0; i < items.length; i++) {
			items[i].setChecked(true);
		}
	}
	/**
	 * @see PreferencePage
	 */
	public boolean performOk() {
		StringBuffer preference = new StringBuffer();
		TableItem items[] = pluginsList.getItems();
		for (int i = 0; i < items.length; i++) {
			if(!items[i].getChecked()) {
				IPluginDescriptor descriptor = (IPluginDescriptor)items[i].getData();
				preference.append(descriptor.getUniqueIdentifier());
				preference.append(IPreferenceConstants.SEPARATOR);
			}
		}
		String pref = preference.toString();
		IPreferenceStore store = workbench.getPreferenceStore();
		store.putValue(IPreferenceConstants.PLUGINS_NOT_ACTIVATED_ON_STARTUP,pref);
		return true;
	}
}