| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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 implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ant.internal.ui.editor.text; |
| |
| import org.eclipse.ant.internal.ui.AntUIPlugin; |
| import org.eclipse.ant.internal.ui.ColorManager; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.resource.StringConverter; |
| import org.eclipse.jface.text.TextAttribute; |
| import org.eclipse.jface.text.rules.RuleBasedScanner; |
| import org.eclipse.jface.text.rules.Token; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.RGB; |
| |
| public abstract class AbstractAntEditorScanner extends RuleBasedScanner { |
| |
| protected void adaptToColorChange(PropertyChangeEvent event, Token token) { |
| RGB rgb= null; |
| |
| Object value= event.getNewValue(); |
| if (value instanceof RGB) { |
| rgb= (RGB) value; |
| } else if (value instanceof String) { |
| rgb= StringConverter.asRGB((String) value); |
| } |
| |
| if (rgb != null) { |
| TextAttribute attr= (TextAttribute) token.getData(); |
| token.setData(new TextAttribute(ColorManager.getDefault().getColor(rgb), attr.getBackground(), attr.getStyle())); |
| } |
| } |
| |
| protected void adaptToStyleChange(PropertyChangeEvent event, Token token, int styleAttribute) { |
| if (token == null) { |
| return; |
| } |
| boolean eventValue= false; |
| Object value= event.getNewValue(); |
| if (value instanceof Boolean) { |
| eventValue= ((Boolean) value).booleanValue(); |
| } else if (IPreferenceStore.TRUE.equals(value)) { |
| eventValue= true; |
| } |
| |
| TextAttribute attr= (TextAttribute) token.getData(); |
| boolean activeValue= (attr.getStyle() & styleAttribute) == styleAttribute; |
| if (activeValue != eventValue) { |
| token.setData(new TextAttribute(attr.getForeground(), attr.getBackground(), eventValue ? attr.getStyle() | styleAttribute : attr.getStyle() & ~styleAttribute)); |
| } |
| } |
| |
| protected TextAttribute createTextAttribute(String colorID, String boldKey, String italicKey) { |
| Color color= null; |
| if (colorID != null) { |
| color= AntUIPlugin.getPreferenceColor(colorID); |
| } |
| IPreferenceStore store= AntUIPlugin.getDefault().getPreferenceStore(); |
| int style= store.getBoolean(boldKey) ? SWT.BOLD : SWT.NORMAL; |
| if (store.getBoolean(italicKey)) { |
| style |= SWT.ITALIC; |
| } |
| |
| return new TextAttribute(color, null, style); |
| } |
| } |