+++ /dev/null
-package net.sourceforge.phpdt.internal.ui.text;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import net.sourceforge.phpdt.ui.text.IColorManager;
-import net.sourceforge.phpdt.ui.text.IColorManagerExtension;
-
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.preference.PreferenceConverter;
-import org.eclipse.jface.resource.StringConverter;
-import org.eclipse.jface.text.TextAttribute;
-import org.eclipse.jface.text.rules.BufferedRuleBasedScanner;
-import org.eclipse.jface.text.rules.IRule;
-import org.eclipse.jface.text.rules.Token;
-import org.eclipse.jface.util.PropertyChangeEvent;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.graphics.RGB;
-
-/**
- * Initialized with a color manager and a preference store, its subclasses are
- * only responsible for providing a list of preference keys based on which
- * tokens are generated and to use this tokens to define the rules controlling
- * this scanner.
- */
-public abstract class AbstractJavaScanner extends BufferedRuleBasedScanner {
-
- private IColorManager fColorManager;
-
- private IPreferenceStore fPreferenceStore;
-
- private Map fTokenMap = new HashMap();
-
- private String[] fPropertyNamesColor;
-
- private String[] fPropertyNamesStyle;
-
- /**
- * Returns the list of preference keys which define the tokens used in the
- * rules of this scanner.
- */
- abstract protected String[] getTokenProperties();
-
- /**
- * Creates the list of rules controlling this scanner.
- */
- abstract protected List createRules();
-
- /**
- * Creates an abstract Java scanner.
- */
- public AbstractJavaScanner(IColorManager manager, IPreferenceStore store) {
- super();
- fColorManager = manager;
- fPreferenceStore = store;
- }
-
- /**
- * Must be called after the constructor has been called.
- */
- public final void initialize() {
-
- fPropertyNamesColor = getTokenProperties();
- int length = fPropertyNamesColor.length;
- fPropertyNamesStyle = new String[length];
- for (int i = 0; i < length; i++) {
- fPropertyNamesStyle[i] = fPropertyNamesColor[i] + "_bold"; //$NON-NLS-1$
- addToken(fPropertyNamesColor[i], fPropertyNamesStyle[i]);
- }
-
- initializeRules();
- }
-
- private void addToken(String colorKey, String styleKey) {
- RGB rgb = PreferenceConverter.getColor(fPreferenceStore, colorKey);
- if (fColorManager instanceof IColorManagerExtension) {
- IColorManagerExtension ext = (IColorManagerExtension) fColorManager;
- ext.unbindColor(colorKey);
- ext.bindColor(colorKey, rgb);
- }
-
- boolean bold = fPreferenceStore.getBoolean(styleKey);
- fTokenMap.put(colorKey, new Token(new TextAttribute(fColorManager
- .getColor(colorKey), null, bold ? SWT.BOLD : SWT.NORMAL)));
- }
-
- protected Token getToken(String key) {
- return (Token) fTokenMap.get(key);
- }
-
- private void initializeRules() {
- List rules = createRules();
- if (rules != null) {
- IRule[] result = new IRule[rules.size()];
- rules.toArray(result);
- setRules(result);
- }
- }
-
- private int indexOf(String property) {
- if (property != null) {
- int length = fPropertyNamesColor.length;
- for (int i = 0; i < length; i++) {
- if (property.equals(fPropertyNamesColor[i])
- || property.equals(fPropertyNamesStyle[i]))
- return i;
- }
- }
- return -1;
- }
-
- public boolean affectsBehavior(PropertyChangeEvent event) {
- return indexOf(event.getProperty()) >= 0;
- }
-
- public void adaptToPreferenceChange(PropertyChangeEvent event) {
- String p = event.getProperty();
- int index = indexOf(p);
- Token token = getToken(fPropertyNamesColor[index]);
- if (fPropertyNamesColor[index].equals(p))
- adaptToColorChange(token, event);
- else
- adaptToStyleChange(token, event);
- }
-
- private void adaptToColorChange(Token token, PropertyChangeEvent event) {
- 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) {
-
- String property = event.getProperty();
-
- if (fColorManager instanceof IColorManagerExtension) {
- IColorManagerExtension ext = (IColorManagerExtension) fColorManager;
- ext.unbindColor(property);
- ext.bindColor(property, rgb);
- }
-
- Object data = token.getData();
- if (data instanceof TextAttribute) {
- TextAttribute oldAttr = (TextAttribute) data;
- token.setData(new TextAttribute(fColorManager
- .getColor(property), oldAttr.getBackground(), oldAttr
- .getStyle()));
- }
- }
- }
-
- private void adaptToStyleChange(Token token, PropertyChangeEvent event) {
- boolean bold = false;
- Object value = event.getNewValue();
- if (value instanceof Boolean)
- bold = ((Boolean) value).booleanValue();
- else if (value instanceof String) {
- String s = (String) value;
- if (IPreferenceStore.TRUE.equals(s))
- bold = true;
- else if (IPreferenceStore.FALSE.equals(s))
- bold = false;
- }
-
- Object data = token.getData();
- if (data instanceof TextAttribute) {
- TextAttribute oldAttr = (TextAttribute) data;
- boolean isBold = (oldAttr.getStyle() == SWT.BOLD);
- if (isBold != bold)
- token.setData(new TextAttribute(oldAttr.getForeground(),
- oldAttr.getBackground(), bold ? SWT.BOLD : SWT.NORMAL));
- }
- }
-}
\ No newline at end of file
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