--- /dev/null
+/*
+ * Copyright (c) 2002-2004 Widespace, OU and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://solareclipse.sourceforge.net/legal/cpl-v10.html
+ *
+ * Contributors:
+ * Igor Malinin - initial contribution
+ *
+ * $Id: AbstractTextTools.java,v 1.1 2004-09-02 18:26:49 jsurfer Exp $
+ */
+
+package net.sourceforge.phpeclipse.ui.text;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import net.sourceforge.phpeclipse.ui.ColorManager;
+import net.sourceforge.phpeclipse.ui.preferences.ITextStylePreferences;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.resource.StringConverter;
+import org.eclipse.jface.text.TextAttribute;
+import org.eclipse.jface.text.rules.Token;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.RGB;
+
+/**
+ * @author Igor Malinin
+ */
+public class AbstractTextTools {
+
+ /** The preference store */
+ protected IPreferenceStore store;
+
+ /** The color manager */
+ protected ColorManager colorManager;
+
+ private Map tokens;
+
+ private String[] properties;
+
+ private String[] foregroundPropertyNames;
+
+ private String[] backgroundPropertyNames;
+
+ private String[] stylePropertyNames;
+
+ private IPropertyChangeListener listener;
+
+ /**
+ * Creates a new text tools collection.
+ */
+ public AbstractTextTools(IPreferenceStore store, String[] properties) {
+ this(store, properties, new ColorManager());
+ }
+ /**
+ * Creates a new text tools collection.
+ */
+ public AbstractTextTools(IPreferenceStore store, String[] properties, ColorManager manager) {
+ this.store = store;
+ this.properties = properties;
+
+ colorManager = manager;
+
+ tokens = new HashMap();
+
+ int length = properties.length;
+
+ foregroundPropertyNames = new String[length];
+ backgroundPropertyNames = new String[length];
+ stylePropertyNames = new String[length];
+
+ for (int i = 0; i < length; i++) {
+ String property = properties[i];
+
+ String foreground = property
+ + ITextStylePreferences.SUFFIX_FOREGROUND;
+ String background = property
+ + ITextStylePreferences.SUFFIX_BACKGROUND;
+ String style = property + ITextStylePreferences.SUFFIX_STYLE;
+
+ foregroundPropertyNames[i] = foreground;
+ backgroundPropertyNames[i] = background;
+ stylePropertyNames[i] = style;
+
+ RGB rgb;
+
+ rgb = getColor(store, foreground);
+ if (rgb != null) {
+ colorManager.bindColor(foreground, rgb);
+ }
+
+ rgb = getColor(store, background);
+ if (rgb != null) {
+ colorManager.bindColor(background, rgb);
+ }
+
+ tokens.put(property, new Token(new TextAttribute(colorManager
+ .getColor(foreground), colorManager.getColor(background),
+ getStyle(store, style))));
+ }
+
+ listener = new IPropertyChangeListener() {
+
+ public void propertyChange(PropertyChangeEvent event) {
+ adaptToPreferenceChange(event);
+ }
+ };
+
+ store.addPropertyChangeListener(listener);
+ }
+
+ /**
+ * Disposes all the individual tools of this tools collection.
+ */
+ public void dispose() {
+ if (store != null) {
+ store.removePropertyChangeListener(listener);
+
+ store = null;
+ listener = null;
+ }
+
+ if (colorManager != null) {
+ colorManager.dispose();
+
+ colorManager = null;
+ }
+
+ tokens = null;
+
+ properties = null;
+ foregroundPropertyNames = null;
+ backgroundPropertyNames = null;
+ stylePropertyNames = null;
+ }
+
+ /**
+ * Returns the color manager which is used to manage any XML-specific
+ * colors needed for such things like syntax highlighting.
+ *
+ * @return the color manager to be used for XML text viewers
+ */
+ public ColorManager getColorManager() {
+ return colorManager;
+ }
+
+ public Map getTokens() {
+ return tokens;
+ }
+
+ protected Token getToken(String key) {
+ int index = indexOf(key);
+ if (index < 0) {
+ return null;
+ }
+
+ return (Token) tokens.get(properties[index]);
+ }
+
+ /**
+ * Determines whether the preference change encoded by the given event
+ * changes the behavior of one its contained components.
+ *
+ * @param event
+ * the event to be investigated
+ * @return <code>true</code> if event causes a behavioral change
+ */
+ public boolean affectsBehavior(PropertyChangeEvent event) {
+ return (indexOf(event.getProperty()) >= 0);
+ }
+
+ /**
+ * Adapts the behavior of the contained components to the change encoded in
+ * the given event.
+ *
+ * @param event
+ * the event to whch to adapt
+ */
+ protected void adaptToPreferenceChange(PropertyChangeEvent event) {
+ String property = event.getProperty();
+
+ Token token = getToken(property);
+ if (token != null) {
+ if (property.endsWith(ITextStylePreferences.SUFFIX_FOREGROUND)
+ || property
+ .endsWith(ITextStylePreferences.SUFFIX_BACKGROUND)) {
+ adaptToColorChange(token, event);
+ } else if (property.endsWith(ITextStylePreferences.SUFFIX_STYLE)) {
+ adaptToStyleChange(token, event);
+ }
+ }
+ }
+
+ private void adaptToColorChange(Token token, PropertyChangeEvent event) {
+ RGB rgb = getColor(event.getNewValue());
+
+ String property = event.getProperty();
+
+ colorManager.unbindColor(property);
+ if (rgb != null) {
+ colorManager.bindColor(property, rgb);
+ }
+
+ Object data = token.getData();
+ if (data instanceof TextAttribute) {
+ TextAttribute old = (TextAttribute) data;
+
+ int i = indexOf(property);
+
+ token.setData(new TextAttribute(colorManager
+ .getColor(foregroundPropertyNames[i]), colorManager
+ .getColor(backgroundPropertyNames[i]), old.getStyle()));
+ }
+ }
+
+ private void adaptToStyleChange(Token token, PropertyChangeEvent event) {
+ int style = getStyle((String) event.getNewValue());
+
+ Object data = token.getData();
+ if (data instanceof TextAttribute) {
+ TextAttribute old = (TextAttribute) data;
+ if (old.getStyle() != style) {
+ token.setData(new TextAttribute(old.getForeground(), old
+ .getBackground(), style));
+ }
+ }
+ }
+
+ private int indexOf(String property) {
+ if (property != null) {
+ int length = properties.length;
+
+ for (int i = 0; i < length; i++) {
+ if (property.equals(properties[i])
+ || property.equals(foregroundPropertyNames[i])
+ || property.equals(backgroundPropertyNames[i])
+ || property.equals(stylePropertyNames[i])) {
+ return i;
+ }
+ }
+ }
+
+ return -1;
+ }
+
+ private RGB getColor(IPreferenceStore store, String key) {
+ return getColor(store.getString(key));
+ }
+
+ private RGB getColor(Object value) {
+ if (value instanceof RGB) {
+ return (RGB) value;
+ }
+
+ String str = (String) value;
+ if (str.length() > 0) {
+ return StringConverter.asRGB(str);
+ }
+
+ return null;
+ }
+
+ private int getStyle(IPreferenceStore store, String key) {
+ return getStyle(store.getString(key));
+ }
+
+ private int getStyle(String value) {
+ if (value.indexOf(ITextStylePreferences.STYLE_BOLD) >= 0) {
+ return SWT.BOLD;
+ }
+
+ return SWT.NORMAL;
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff