PreferencesInitializer.java

/*******************************************************************************
 * Copyright (c) Gil Barash - chookapp@yahoo.com
 * 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:
 *    Gil Barash - initial API and implementation
 *******************************************************************************/
package com.chookapp.org.bracketeer.preferences;

import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.ui.editors.text.EditorsUI;
import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;

import com.chookapp.org.bracketeer.Activator;
import com.chookapp.org.bracketeer.core.ProcessorsRegistry;

public class PreferencesInitializer extends AbstractPreferenceInitializer
{
    @Override
    public void initializeDefaultPreferences()
    {
        IPreferenceStore store = Activator.getDefault().getPreferenceStore();
        
        IConfigurationElement[] config = Platform.getExtensionRegistry()
                .getConfigurationElementsFor(ProcessorsRegistry.PROC_FACTORY_ID);
        
        for (IConfigurationElement element : config) 
        {
            String pluginName = element.getAttribute("name"); //$NON-NLS-1$

            defualtHighlights(store, element, pluginName);
            defualtHints(store, element, pluginName);
        }
        
        IPreferenceStore editorsStore = EditorsUI.getPreferenceStore();
        store.setDefault(PreferencesConstants.General.HYPERLINK_MODIFIERS, 
                         editorsStore.getInt(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_HYPERLINK_KEY_MODIFIER_MASK));
    }

    private void defualtHints(IPreferenceStore store,
                              IConfigurationElement element, String pluginName)
    {
        String prefBase = PreferencesConstants.preferencePath(pluginName);
        store.setDefault(prefBase+PreferencesConstants.Hints.Globals.SHOW_IN_EDITOR, true );
        
        store.setDefault(prefBase+PreferencesConstants.Hints.Hover.ENABLE, true );
        store.setDefault(prefBase+PreferencesConstants.Hints.Hover.MAX_LEN, 80 );
        
        String hintType = PreferencesConstants.Hints.DEFAULT_TYPE;
        prefBase = PreferencesConstants.preferencePath(pluginName) +
                PreferencesConstants.Hints.preferencePath(hintType);
        
        store.setDefault(prefBase + PreferencesConstants.Hints.WhenToShow.SHOW_IN_EDITOR, true );
        store.setDefault(prefBase + PreferencesConstants.Hints.WhenToShow.MIN_LINES_DISTANCE,
                         15);
        
        store.setDefault(prefBase + PreferencesConstants.Hints.Font.FG_DEFAULT, false);
        PreferenceConverter.setDefault(store, 
                                       prefBase + PreferencesConstants.Hints.Font.FG_COLOR, 
                                       new RGB(160,160,160));
        store.setDefault(prefBase + PreferencesConstants.Hints.Font.BG_DEFAULT, true);
        
        store.setDefault(prefBase + PreferencesConstants.Hints.Display.Ellipsis.ATTR,
                         PreferencesConstants.Hints.Display.Ellipsis.VAL_MID);
        store.setDefault(prefBase + PreferencesConstants.Hints.Display.MAX_LENGTH,
                         30);
        store.setDefault(prefBase + PreferencesConstants.Hints.Display.STRIP_WHITESPACE,
                         false);
        
        String[] prefsToCopyFromDef = {PreferencesConstants.Hints.WhenToShow.SHOW_IN_EDITOR,
                                       PreferencesConstants.Hints.WhenToShow.MIN_LINES_DISTANCE,
                                       PreferencesConstants.Hints.Font.FG_DEFAULT,
                                       PreferencesConstants.Hints.Font.FG_COLOR,
                                       PreferencesConstants.Hints.Font.BG_DEFAULT,
                                       PreferencesConstants.Hints.Display.Ellipsis.ATTR,
                                       PreferencesConstants.Hints.Display.MAX_LENGTH,
                                       PreferencesConstants.Hints.Display.STRIP_WHITESPACE};
        
        IConfigurationElement[] hints = element.getChildren("Hint"); //$NON-NLS-1$
        for (IConfigurationElement hint : hints)
        {
            hintType = hint.getAttribute("type"); //$NON-NLS-1$
            prefBase = PreferencesConstants.preferencePath(pluginName) +
                    PreferencesConstants.Hints.preferencePath(hintType);
            String defBase = PreferencesConstants.preferencePath(pluginName) +
                        PreferencesConstants.Hints.preferencePath(PreferencesConstants.Hints.DEFAULT_TYPE);
            
            store.setDefault(prefBase + PreferencesConstants.Hints.WhenToShow.USE_DEFAULT, true );
            store.setDefault(prefBase + PreferencesConstants.Hints.Font.USE_DEFAULT, true );
            store.setDefault(prefBase + PreferencesConstants.Hints.Display.USE_DEFAULT, true );
            
            for (String pref : prefsToCopyFromDef)
            {
                store.setDefault(prefBase + pref, store.getDefaultString(defBase + pref));
            }
        }
    }

    private void defualtHighlights(IPreferenceStore store,
                                   IConfigurationElement element,
                                   String pluginName)
    {
        /* the default */
        
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Highlights.getAttrPath(0, true) +
                         PreferencesConstants.Highlights.UseDefault, false);
        
        PreferenceConverter.setDefault(store, PreferencesConstants.preferencePath(pluginName) +
                                       PreferencesConstants.Highlights.getAttrPath(0, true) +
                                       PreferencesConstants.Highlights.Color, 
                                       new RGB(255,255,255));
        
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Highlights.getAttrPath(0, false) +
                         PreferencesConstants.Highlights.UseDefault, true);
        
        /* the brackets... */
        
        for (int i = 1 ; i < PreferencesConstants.MAX_PAIRS + 2; i++ )
        {
                        
            store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                             PreferencesConstants.Highlights.getAttrPath(i, true) +
                             PreferencesConstants.Highlights.UseDefault, true);
            
            store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                             PreferencesConstants.Highlights.getAttrPath(i, false) +
                             PreferencesConstants.Highlights.UseDefault, false);
        
            if( i == PreferencesConstants.MAX_PAIRS + 1)
            {
                PreferenceConverter.setDefault(store, PreferencesConstants.preferencePath(pluginName) +
                                               PreferencesConstants.Highlights.getAttrPath(i, false) +
                                               PreferencesConstants.Highlights.Color, 
                                               new RGB(250,0,0));   
            }
            else
            {
                int max = PreferencesConstants.MAX_PAIRS;
                //int val = (((max-i)+1)*255)/(max+1);
                int val = (i*255)/(max+1);
                PreferenceConverter.setDefault(store, PreferencesConstants.preferencePath(pluginName) +
                                               PreferencesConstants.Highlights.getAttrPath(i, false) +
                                               PreferencesConstants.Highlights.Color, 
                                               new RGB(val,val,val));
            }
            
            store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                             PreferencesConstants.Highlights.getAttrPath(i, false) +
                             PreferencesConstants.Highlights.HighlightTypeAttr, 
                             PreferencesConstants.Highlights.HighlightTypeValSolid);
            
            // TODO: get the real editor background default
            /*
            Color def = Display.getDefault().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
            PreferenceConverter.setDefault(store, PreferencesConstants.preferencePath(pluginName) +
                                                  PreferencesConstants.Highlights.getAttrPath(i, false) +
                                                  PreferencesConstants.Highlights.Color, def.getRGB());
            */
            
            // TODO: get the real editor background default
            /*
            def = Display.getDefault().getSystemColor(SWT.COLOR_WIDGET_FOREGROUND);
            PreferenceConverter.setDefault(store, PreferencesConstants.preferencePath(pluginName) +
                                                  PreferencesConstants.Highlights.getAttrPath(i, false) +
                                                  PreferencesConstants.Highlights.Color, def.getRGB());
            */
        }
        
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Annotations.Enable, true);
        
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Surrounding.Enable, true);
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Surrounding.NumBracketsToShow, 
                         PreferencesConstants.MAX_PAIRS);
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Surrounding.MinDistanceBetweenBrackets, 1);
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Surrounding.ShowBrackets, 
                         element.getAttribute(ProcessorsRegistry.SUPPORTED_BRACKETS_ATTR));
        
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Hovering.Enable, true);
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Hovering.PopupEnable, true);
        store.setDefault(PreferencesConstants.preferencePath(pluginName) +
                         PreferencesConstants.Hovering.PopupOnlyWithoutHint, true);
    }
}