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.
+ * 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 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.
+ private String[] fPropertyNamesBold;
+ private String[] fPropertyNamesItalic;
+ private String[] fPropertyNamesUnderline;
+ private String[] fPropertyNamesStrikeThrough;
+
+ /**
+ * 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;
+ 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();
+ fPropertyNamesColor = getTokenProperties ();
+ int length = fPropertyNamesColor.length;
+ fPropertyNamesBold = new String[length];
+ fPropertyNamesItalic = new String[length];
+ fPropertyNamesUnderline = new String[length];
+ fPropertyNamesStrikeThrough = new String[length];
+
+ for (int i = 0; i < length; i++) {
+ fPropertyNamesBold[i] = fPropertyNamesColor[i] + "_bold"; //$NON-NLS-1$
+ fPropertyNamesItalic[i] = fPropertyNamesColor[i] + "_italic"; //$NON-NLS-1$
+ fPropertyNamesUnderline[i] = fPropertyNamesColor[i] + "_underline"; //$NON-NLS-1$
+ fPropertyNamesStrikeThrough[i] = fPropertyNamesColor[i] + "_strikethrough"; //$NON-NLS-1$
+
+ addToken (fPropertyNamesColor[i],
+ fPropertyNamesBold[i], // bold
+ fPropertyNamesItalic[i], // italic
+ fPropertyNamesUnderline[i], // underline
+ fPropertyNamesStrikeThrough[i]); // strike through
+ }
+
+ initializeRules ();
}
-
- private void addToken(String colorKey, String styleKey) {
- RGB rgb= PreferenceConverter.getColor(fPreferenceStore, colorKey);
+
+ /**
+ *
+ */
+
+ private void addToken (String colorKey,
+ String styleKeyBold, String styleKeyItalic,
+ String styleKeyUnderline, String styleKeyStrikeThrough) {
+ RGB rgb = PreferenceConverter.getColor (fPreferenceStore, colorKey);
+
if (fColorManager instanceof IColorManagerExtension) {
- IColorManagerExtension ext= (IColorManagerExtension) fColorManager;
+ 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)));
+
+ boolean bold = fPreferenceStore.getBoolean (styleKeyBold);
+ boolean italic = fPreferenceStore.getBoolean (styleKeyItalic);
+ boolean underline = fPreferenceStore.getBoolean (styleKeyUnderline);
+ boolean strikethrough = fPreferenceStore.getBoolean (styleKeyStrikeThrough);
+
+ int style = SWT.NORMAL;
+
+ style |= (bold ? SWT.BOLD : SWT.NORMAL) |
+ (italic ? SWT.ITALIC : SWT.NORMAL) |
+ (underline ? (1 << 30) : SWT.NORMAL) |
+ (strikethrough ? (1 << 29) : SWT.NORMAL);
+
+ fTokenMap.put (colorKey, new Token (new TextAttribute (fColorManager.getColor(colorKey), null, style)));
}
-
- protected Token getToken(String key) {
+
+ /**
+ *
+ */
+
+ protected Token getToken (String key) {
return (Token) fTokenMap.get(key);
}
-
+
+ /**
+ *
+ */
+
private void initializeRules() {
- List rules= createRules();
+ List rules = createRules();
if (rules != null) {
- IRule[] result= new IRule[rules.size()];
+ IRule[] result = new IRule[rules.size()];
rules.toArray(result);
setRules(result);
}
}
-
- private int indexOf(String property) {
+
+ /**
+ *
+ */
+
+ private int indexOfNamesColor (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]))
+ int length = fPropertyNamesColor.length;
+
+ for (int i = 0; i < length; i++) {
+ if (property.equals (fPropertyNamesColor[i])) {
return i;
+ }
}
}
+
return -1;
}
-
- public boolean affectsBehavior(PropertyChangeEvent event) {
- return indexOf(event.getProperty()) >= 0;
+
+ /**
+ *
+ */
+
+ private int indexOfNamesBold (String property) {
+ if (property != null) {
+ int length = fPropertyNamesBold.length;
+
+ for (int i = 0; i < length; i++) {
+ if (property.equals (fPropertyNamesBold[i])) {
+ return i;
+ }
+ }
+ }
+
+ return -1;
+ }
+
+ /**
+ *
+ */
+
+ private int indexOfNamesItalic (String property) {
+ if (property != null) {
+ int length = fPropertyNamesItalic.length;
+
+ for (int i = 0; i < length; i++) {
+ if (property.equals (fPropertyNamesItalic[i])) {
+ return i;
+ }
+ }
+ }
+
+ return -1;
}
-
- 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 int indexOfNamesUnderline (String property) {
+ if (property != null) {
+ int length = fPropertyNamesUnderline.length;
+
+ for (int i = 0; i < length; i++) {
+ if (property.equals (fPropertyNamesUnderline[i])) {
+ return i;
+ }
+ }
+ }
+
+ return -1;
}
-
- 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);
-
+
+ /**
+ *
+ */
+
+ private int indexOfNamesStrikeThrough (String property) {
+ if (property != null) {
+ int length = fPropertyNamesStrikeThrough.length;
+
+ for (int i = 0; i < length; i++) {
+ if (property.equals (fPropertyNamesStrikeThrough[i])) {
+ return i;
+ }
+ }
+ }
+
+ return -1;
+ }
+
+
+ /**
+ *
+ */
+
+ public boolean affectsBehavior (PropertyChangeEvent event) {
+ return (indexOfNamesColor (event.getProperty ()) >= 0) ||
+ (indexOfNamesBold (event.getProperty ()) >= 0) ||
+ (indexOfNamesItalic (event.getProperty ()) >= 0) ||
+ (indexOfNamesUnderline (event.getProperty ()) >= 0) ||
+ (indexOfNamesStrikeThrough (event.getProperty ()) >= 0);
+ }
+
+ /**
+ *
+ */
+
+ public void adaptToPreferenceChange (PropertyChangeEvent event) {
+ String p = event.getProperty ();
+ int index = indexOfNamesColor (p);
+
+ if (index < 0) {
+ index = indexOfNamesBold (p);
+ }
+
+ if (index < 0) {
+ index = indexOfNamesItalic (p);
+ }
+
+ if (index < 0) {
+ index = indexOfNamesUnderline (p);
+ }
+
+ if (index < 0) {
+ index = indexOfNamesStrikeThrough (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();
-
+ String property = event.getProperty ();
+
if (fColorManager instanceof IColorManagerExtension) {
- IColorManagerExtension ext= (IColorManagerExtension) fColorManager;
- ext.unbindColor(property);
- ext.bindColor(property, rgb);
+ IColorManagerExtension ext = (IColorManagerExtension) fColorManager;
+ ext.unbindColor (property);
+ ext.bindColor (property, rgb);
}
-
- Object data= token.getData();
+
+ Object data = token.getData ();
+
if (data instanceof TextAttribute) {
- TextAttribute oldAttr= (TextAttribute) data;
- token.setData(new TextAttribute(fColorManager.getColor(property), oldAttr.getBackground(), oldAttr.getStyle()));
+ 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();
+ int index = -1;
+ boolean newValue = false;
+ Object value = event.getNewValue ();
+
+ if (value instanceof Boolean) {
+ newValue = ((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();
+ String s = (String) value;
+
+ if (IPreferenceStore.TRUE.equals(s)) {
+ newValue = true;
+ }
+ else if (IPreferenceStore.FALSE.equals(s)) {
+ newValue = 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));
+ TextAttribute oldAttr = (TextAttribute) data;
+
+ int style = oldAttr.getStyle ();
+
+ index = indexOfNamesBold (event.getProperty ());
+
+ if (index >= 0) {
+ if (newValue) {
+ style |= SWT.BOLD;
+ }
+ else {
+ style &= ~SWT.BOLD;
+ }
+ }
+
+ index = indexOfNamesItalic (event.getProperty ());
+
+ if (index >= 0) {
+ if (newValue) {
+ style |= SWT.ITALIC;
+ }
+ else {
+ style &= ~SWT.ITALIC;
+ }
+ }
+
+ index = indexOfNamesUnderline (event.getProperty ());
+
+ if (index >= 0) {
+ if (newValue) {
+ style |= (1 << 30);
+ }
+ else {
+ style &= ~(1 << 30);
+ }
+ }
+
+ index = indexOfNamesStrikeThrough (event.getProperty ());
+
+ if (index >= 0) {
+ if (newValue) {
+ style |= (1 << 29);
+ }
+ else {
+ style &= ~(1 << 29);
+ }
+ }
+
+
+ token.setData (new TextAttribute (oldAttr.getForeground (), oldAttr.getBackground (), style));
}
}
-}
\ No newline at end of file
+}