/*******************************************************************************
 * Copyright (c) 2000, 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 API and implementation
 *******************************************************************************/

package org.eclipse.ui.presentations;

import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IWorkbenchPreferenceConstants;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.IPreferenceConstants;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.internal.preferences.IDynamicPropertyMap;
import org.eclipse.ui.internal.presentations.defaultpresentation.DefaultMultiTabListener;
import org.eclipse.ui.internal.presentations.defaultpresentation.DefaultSimpleTabListener;
import org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder;
import org.eclipse.ui.internal.presentations.defaultpresentation.DefaultThemeListener;
import org.eclipse.ui.internal.presentations.defaultpresentation.EmptyTabFolder;
import org.eclipse.ui.internal.presentations.util.PresentablePartFolder;
import org.eclipse.ui.internal.presentations.util.StandardEditorSystemMenu;
import org.eclipse.ui.internal.presentations.util.StandardViewSystemMenu;
import org.eclipse.ui.internal.presentations.util.TabbedStackPresentation;

/**
 * The default presentation factory for the Workbench.
 * 
 * @since 3.0
 */
public class WorkbenchPresentationFactory extends AbstractPresentationFactory {

	// don't reset these dynamically, so just keep the information static.
	// see bug:
	// 75422 [Presentations] Switching presentation to R21 switches immediately,
	// but only partially
	private static int editorTabPosition = WorkbenchPlugin
		.getDefault().getPreferenceStore().getInt(IPreferenceConstants.EDITOR_TAB_POSITION);
	private static int viewTabPosition = WorkbenchPlugin
		.getDefault().getPreferenceStore().getInt(IPreferenceConstants.VIEW_TAB_POSITION);
	
    /* (non-Javadoc)
     * @see org.eclipse.ui.presentations.AbstractPresentationFactory#createEditorPresentation(org.eclipse.swt.widgets.Composite, org.eclipse.ui.presentations.IStackPresentationSite)
     */
    public StackPresentation createEditorPresentation(Composite parent,
            IStackPresentationSite site) {
        DefaultTabFolder folder = new DefaultTabFolder(parent, editorTabPosition | SWT.BORDER, 
                site.supportsState(IStackPresentationSite.STATE_MINIMIZED), 
                site.supportsState(IStackPresentationSite.STATE_MAXIMIZED));
        
        /*
         * Set the minimum characters to display, if the preference is something
         * other than the default. This is mainly intended for RCP applications
         * or for expert users (i.e., via the plug-in customization file).
         * 
         * Bug 32789.
         */
        final IPreferenceStore store = PlatformUI.getPreferenceStore();
        if (store
                .contains(IWorkbenchPreferenceConstants.EDITOR_MINIMUM_CHARACTERS)) {
            final int minimumCharacters = store
                    .getInt(IWorkbenchPreferenceConstants.EDITOR_MINIMUM_CHARACTERS);
            if (minimumCharacters >= 0) {
                folder.setMinimumCharacters(minimumCharacters);
            }
        }
        
        PresentablePartFolder partFolder = new PresentablePartFolder(folder);
        
        TabbedStackPresentation result = new TabbedStackPresentation(site, partFolder, 
                new StandardEditorSystemMenu(site));
        
        DefaultThemeListener themeListener = new DefaultThemeListener(folder, result.getTheme());
        result.getTheme().addListener(themeListener);
        
        IDynamicPropertyMap workbenchPreferences = result.getPluginPreferences(WorkbenchPlugin.getDefault()); 
        
		new DefaultMultiTabListener(workbenchPreferences,
				IPreferenceConstants.SHOW_MULTIPLE_EDITOR_TABS, folder);

		new DefaultSimpleTabListener(result.getApiPreferences(),
				IWorkbenchPreferenceConstants.SHOW_TRADITIONAL_STYLE_TABS,
				folder);        
        
        return result;
    }

    /*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.presentations.AbstractPresentationFactory#createViewPresentation(org.eclipse.swt.widgets.Composite,
	 *      org.eclipse.ui.presentations.IStackPresentationSite)
	 */
    public StackPresentation createViewPresentation(Composite parent,
            IStackPresentationSite site) {
        
        DefaultTabFolder folder = new DefaultTabFolder(parent, viewTabPosition | SWT.BORDER, 
                site.supportsState(IStackPresentationSite.STATE_MINIMIZED), 
                site.supportsState(IStackPresentationSite.STATE_MAXIMIZED));

        final IPreferenceStore store = PlatformUI.getPreferenceStore();
        final int minimumCharacters = store
                .getInt(IWorkbenchPreferenceConstants.VIEW_MINIMUM_CHARACTERS);
        if (minimumCharacters >= 0) {
            folder.setMinimumCharacters(minimumCharacters);
        }
        
        PresentablePartFolder partFolder = new PresentablePartFolder(folder);
        
        folder.setUnselectedCloseVisible(false);
        folder.setUnselectedImageVisible(false);
        
        TabbedStackPresentation result = new TabbedStackPresentation(site, partFolder, 
                new StandardViewSystemMenu(site));
        
        DefaultThemeListener themeListener = new DefaultThemeListener(folder, result.getTheme());
        result.getTheme().addListener(themeListener);
        
		new DefaultSimpleTabListener(result.getApiPreferences(),
				IWorkbenchPreferenceConstants.SHOW_TRADITIONAL_STYLE_TABS,
				folder);

        return result;
    }

    /*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.presentations.AbstractPresentationFactory#createStandaloneViewPresentation(org.eclipse.swt.widgets.Composite,
	 *      org.eclipse.ui.presentations.IStackPresentationSite, boolean)
	 */
    public StackPresentation createStandaloneViewPresentation(Composite parent,
            IStackPresentationSite site, boolean showTitle) {
        
        if (showTitle) {
            return createViewPresentation(parent, site);
        }        
        EmptyTabFolder folder = new EmptyTabFolder(parent, true);
        TabbedStackPresentation presentation = new TabbedStackPresentation(site, folder, new StandardViewSystemMenu(site));
            
        return presentation;
    }

}