--- /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: OverlayPreferenceStore.java,v 1.1 2004-09-02 18:26:30 jsurfer Exp $
+ */
+
+package net.sourceforge.phpeclipse.ui.preferences;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.preference.PreferenceStore;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+
+
+/**
+ * An overlaying preference store.
+ */
+public class OverlayPreferenceStore implements IPreferenceStore {
+ private class PropertyListener implements IPropertyChangeListener {
+ public void propertyChange(PropertyChangeEvent event) {
+ PreferenceDescriptor key = findOverlayKey(event.getProperty());
+ if (key != null) {
+ propagateProperty(parent, key, store);
+ }
+ }
+ }
+
+ IPreferenceStore parent;
+ IPreferenceStore store;
+
+ private PreferenceDescriptor[] keys;
+
+ private PropertyListener fPropertyListener;
+
+ public OverlayPreferenceStore(
+ IPreferenceStore parent, PreferenceDescriptor[] overlayKeys
+ ) {
+ this.parent = parent;
+ this.keys = overlayKeys;
+
+ store = new PreferenceStore();
+ }
+
+ PreferenceDescriptor findOverlayKey(String key) {
+ for (int i = 0; i < keys.length; i++) {
+ if (keys[i].key.equals(key)) {
+ return keys[i];
+ }
+ }
+
+ return null;
+ }
+
+ private boolean covers(String key) {
+ return (findOverlayKey(key) != null);
+ }
+
+ void propagateProperty(
+ IPreferenceStore orgin, PreferenceDescriptor key,
+ IPreferenceStore target
+ ) {
+ if (orgin.isDefault(key.key)) {
+ if (!target.isDefault(key.key)) {
+ target.setToDefault(key.key);
+ }
+
+ return;
+ }
+
+ PreferenceDescriptor.Type d = key.type;
+ if (PreferenceDescriptor.BOOLEAN == d) {
+ boolean originValue = orgin.getBoolean(key.key);
+ boolean targetValue = target.getBoolean(key.key);
+ if (targetValue != originValue) {
+ target.setValue(key.key, originValue);
+ }
+ } else if (PreferenceDescriptor.DOUBLE == d) {
+ double originValue = orgin.getDouble(key.key);
+ double targetValue = target.getDouble(key.key);
+ if (targetValue != originValue) {
+ target.setValue(key.key, originValue);
+ }
+ } else if (PreferenceDescriptor.FLOAT == d) {
+ float originValue = orgin.getFloat(key.key);
+ float targetValue = target.getFloat(key.key);
+ if (targetValue != originValue) {
+ target.setValue(key.key, originValue);
+ }
+ } else if (PreferenceDescriptor.INT == d) {
+ int originValue = orgin.getInt(key.key);
+ int targetValue = target.getInt(key.key);
+ if (targetValue != originValue) {
+ target.setValue(key.key, originValue);
+ }
+ } else if (PreferenceDescriptor.LONG == d) {
+ long originValue = orgin.getLong(key.key);
+ long targetValue = target.getLong(key.key);
+ if (targetValue != originValue) {
+ target.setValue(key.key, originValue);
+ }
+ } else if (PreferenceDescriptor.STRING == d) {
+ String originValue = orgin.getString(key.key);
+ String targetValue = target.getString(key.key);
+ if (targetValue != null && originValue != null
+ && !targetValue.equals(originValue)) {
+ target.setValue(key.key, originValue);
+ }
+ }
+ }
+
+ public void propagate() {
+ for (int i = 0; i < keys.length; i++) {
+ propagateProperty(store, keys[i], parent);
+ }
+ }
+
+ private void loadProperty(
+ IPreferenceStore orgin, PreferenceDescriptor key,
+ IPreferenceStore target, boolean forceInitialization
+ ) {
+ PreferenceDescriptor.Type d = key.type;
+ if (PreferenceDescriptor.BOOLEAN == d) {
+ if (forceInitialization) {
+ target.setValue(key.key, true);
+ }
+ target.setValue(key.key, orgin.getBoolean(key.key));
+ target.setDefault(key.key, orgin.getDefaultBoolean(key.key));
+ } else if (PreferenceDescriptor.DOUBLE == d) {
+ if (forceInitialization) {
+ target.setValue(key.key, 1.0D);
+ }
+ target.setValue(key.key, orgin.getDouble(key.key));
+ target.setDefault(key.key, orgin.getDefaultDouble(key.key));
+ } else if (PreferenceDescriptor.FLOAT == d) {
+ if (forceInitialization) {
+ target.setValue(key.key, 1.0F);
+ }
+ target.setValue(key.key, orgin.getFloat(key.key));
+ target.setDefault(key.key, orgin.getDefaultFloat(key.key));
+ } else if (PreferenceDescriptor.INT == d) {
+ if (forceInitialization) {
+ target.setValue(key.key, 1);
+ }
+ target.setValue(key.key, orgin.getInt(key.key));
+ target.setDefault(key.key, orgin.getDefaultInt(key.key));
+ } else if (PreferenceDescriptor.LONG == d) {
+ if (forceInitialization) {
+ target.setValue(key.key, 1L);
+ }
+ target.setValue(key.key, orgin.getLong(key.key));
+ target.setDefault(key.key, orgin.getDefaultLong(key.key));
+ } else if (PreferenceDescriptor.STRING == d) {
+ if (forceInitialization) {
+ target.setValue(key.key, "1"); //$NON-NLS-1$
+ }
+ target.setValue(key.key, orgin.getString(key.key));
+ target.setDefault(key.key, orgin.getDefaultString(key.key));
+ }
+ }
+
+ public void load() {
+ for (int i = 0; i < keys.length; i++) {
+ loadProperty(parent, keys[i], store, true);
+ }
+ }
+
+ public void loadDefaults() {
+ for (int i = 0; i < keys.length; i++) {
+ setToDefault(keys[i].key);
+ }
+ }
+
+ public void start() {
+ if (fPropertyListener == null) {
+ fPropertyListener = new PropertyListener();
+ parent.addPropertyChangeListener(fPropertyListener);
+ }
+ }
+
+ public void stop() {
+ if (fPropertyListener != null) {
+ parent.removePropertyChangeListener(fPropertyListener);
+ fPropertyListener = null;
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#addPropertyChangeListener(IPropertyChangeListener)
+ */
+ public void addPropertyChangeListener(IPropertyChangeListener listener) {
+ store.addPropertyChangeListener(listener);
+ }
+
+ /*
+ * @see IPreferenceStore#removePropertyChangeListener(IPropertyChangeListener)
+ */
+ public void removePropertyChangeListener(IPropertyChangeListener listener) {
+ store.removePropertyChangeListener(listener);
+ }
+
+ /*
+ * @see IPreferenceStore#firePropertyChangeEvent(String, Object, Object)
+ */
+ public void firePropertyChangeEvent(
+ String name, Object oldValue, Object newValue
+ ) {
+ store.firePropertyChangeEvent(name, oldValue, newValue);
+ }
+
+ /*
+ * @see IPreferenceStore#contains(String)
+ */
+ public boolean contains(String name) {
+ return store.contains(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getBoolean(String)
+ */
+ public boolean getBoolean(String name) {
+ return store.getBoolean(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getDefaultBoolean(String)
+ */
+ public boolean getDefaultBoolean(String name) {
+ return store.getDefaultBoolean(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getDefaultDouble(String)
+ */
+ public double getDefaultDouble(String name) {
+ return store.getDefaultDouble(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getDefaultFloat(String)
+ */
+ public float getDefaultFloat(String name) {
+ return store.getDefaultFloat(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getDefaultInt(String)
+ */
+ public int getDefaultInt(String name) {
+ return store.getDefaultInt(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getDefaultLong(String)
+ */
+ public long getDefaultLong(String name) {
+ return store.getDefaultLong(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getDefaultString(String)
+ */
+ public String getDefaultString(String name) {
+ return store.getDefaultString(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getDouble(String)
+ */
+ public double getDouble(String name) {
+ return store.getDouble(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getFloat(String)
+ */
+ public float getFloat(String name) {
+ return store.getFloat(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getInt(String)
+ */
+ public int getInt(String name) {
+ return store.getInt(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getLong(String)
+ */
+ public long getLong(String name) {
+ return store.getLong(name);
+ }
+
+ /*
+ * @see IPreferenceStore#getString(String)
+ */
+ public String getString(String name) {
+ return store.getString(name);
+ }
+
+ /*
+ * @see IPreferenceStore#isDefault(String)
+ */
+ public boolean isDefault(String name) {
+ return store.isDefault(name);
+ }
+
+ /*
+ * @see IPreferenceStore#needsSaving()
+ */
+ public boolean needsSaving() {
+ return store.needsSaving();
+ }
+
+ /*
+ * @see IPreferenceStore#putValue(String, String)
+ */
+ public void putValue(String name, String value) {
+ if (covers(name)) {
+ store.putValue(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setDefault(String, double)
+ */
+ public void setDefault(String name, double value) {
+ if (covers(name)) {
+ store.setDefault(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setDefault(String, float)
+ */
+ public void setDefault(String name, float value) {
+ if (covers(name)) {
+ store.setDefault(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setDefault(String, int)
+ */
+ public void setDefault(String name, int value) {
+ if (covers(name)) {
+ store.setDefault(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setDefault(String, long)
+ */
+ public void setDefault(String name, long value) {
+ if (covers(name)) {
+ store.setDefault(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setDefault(String, String)
+ */
+ public void setDefault(String name, String value) {
+ if (covers(name)) {
+ store.setDefault(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setDefault(String, boolean)
+ */
+ public void setDefault(String name, boolean value) {
+ if (covers(name)) {
+ store.setDefault(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setToDefault(String)
+ */
+ public void setToDefault(String name) {
+ store.setToDefault(name);
+ }
+
+ /*
+ * @see IPreferenceStore#setValue(String, double)
+ */
+ public void setValue(String name, double value) {
+ if (covers(name)) {
+ store.setValue(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setValue(String, float)
+ */
+ public void setValue(String name, float value) {
+ if (covers(name)) {
+ store.setValue(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setValue(String, int)
+ */
+ public void setValue(String name, int value) {
+ if (covers(name)) {
+ store.setValue(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setValue(String, long)
+ */
+ public void setValue(String name, long value) {
+ if (covers(name)) {
+ store.setValue(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setValue(String, String)
+ */
+ public void setValue(String name, String value) {
+ if (covers(name)) {
+ store.setValue(name, value);
+ }
+ }
+
+ /*
+ * @see IPreferenceStore#setValue(String, boolean)
+ */
+ public void setValue(String name, boolean value) {
+ if (covers(name)) {
+ store.setValue(name, value);
+ }
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff