X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/OverlayPreferenceStore.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/OverlayPreferenceStore.java
new file mode 100644
index 0000000..71e2ec4
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/OverlayPreferenceStore.java
@@ -0,0 +1,498 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation 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://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package net.sourceforge.phpdt.internal.ui.preferences;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.preference.PreferenceStore;
+//incastrix
+//import org.eclipse.jface.text.Assert;
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+
+/**
+ * An overlaying preference store.
+ */
+public class OverlayPreferenceStore implements IPreferenceStore {
+
+	public static final class TypeDescriptor {
+		private TypeDescriptor() {
+		}
+	}
+
+	public static final TypeDescriptor BOOLEAN = new TypeDescriptor();
+
+	public static final TypeDescriptor DOUBLE = new TypeDescriptor();
+
+	public static final TypeDescriptor FLOAT = new TypeDescriptor();
+
+	public static final TypeDescriptor INT = new TypeDescriptor();
+
+	public static final TypeDescriptor LONG = new TypeDescriptor();
+
+	public static final TypeDescriptor STRING = new TypeDescriptor();
+
+	public static class OverlayKey {
+
+		TypeDescriptor fDescriptor;
+
+		String fKey;
+
+		public OverlayKey(TypeDescriptor descriptor, String key) {
+			fDescriptor = descriptor;
+			fKey = key;
+		}
+	}
+
+	private class PropertyListener implements IPropertyChangeListener {
+
+		/*
+		 * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+		 */
+		public void propertyChange(PropertyChangeEvent event) {
+			OverlayKey key = findOverlayKey(event.getProperty());
+			if (key != null)
+				propagateProperty(fParent, key, fStore);
+		}
+	}
+
+	private IPreferenceStore fParent;
+
+	private IPreferenceStore fStore;
+
+	private OverlayKey[] fOverlayKeys;
+
+	private PropertyListener fPropertyListener;
+
+	private boolean fLoaded;
+
+	public OverlayPreferenceStore(IPreferenceStore parent,
+			OverlayKey[] overlayKeys) {
+		fParent = parent;
+		fOverlayKeys = overlayKeys;
+		fStore = new PreferenceStore();
+	}
+
+	private OverlayKey findOverlayKey(String key) {
+		for (int i = 0; i < fOverlayKeys.length; i++) {
+			if (fOverlayKeys[i].fKey.equals(key))
+				return fOverlayKeys[i];
+		}
+		return null;
+	}
+
+	private boolean covers(String key) {
+		return (findOverlayKey(key) != null);
+	}
+
+	private void propagateProperty(IPreferenceStore orgin, OverlayKey key,
+			IPreferenceStore target) {
+
+		if (orgin.isDefault(key.fKey)) {
+			if (!target.isDefault(key.fKey))
+				target.setToDefault(key.fKey);
+			return;
+		}
+
+		TypeDescriptor d = key.fDescriptor;
+		if (BOOLEAN == d) {
+
+			boolean originValue = orgin.getBoolean(key.fKey);
+			boolean targetValue = target.getBoolean(key.fKey);
+			if (targetValue != originValue)
+				target.setValue(key.fKey, originValue);
+
+		} else if (DOUBLE == d) {
+
+			double originValue = orgin.getDouble(key.fKey);
+			double targetValue = target.getDouble(key.fKey);
+			if (targetValue != originValue)
+				target.setValue(key.fKey, originValue);
+
+		} else if (FLOAT == d) {
+
+			float originValue = orgin.getFloat(key.fKey);
+			float targetValue = target.getFloat(key.fKey);
+			if (targetValue != originValue)
+				target.setValue(key.fKey, originValue);
+
+		} else if (INT == d) {
+
+			int originValue = orgin.getInt(key.fKey);
+			int targetValue = target.getInt(key.fKey);
+			if (targetValue != originValue)
+				target.setValue(key.fKey, originValue);
+
+		} else if (LONG == d) {
+
+			long originValue = orgin.getLong(key.fKey);
+			long targetValue = target.getLong(key.fKey);
+			if (targetValue != originValue)
+				target.setValue(key.fKey, originValue);
+
+		} else if (STRING == d) {
+
+			String originValue = orgin.getString(key.fKey);
+			String targetValue = target.getString(key.fKey);
+			if (targetValue != null && originValue != null
+					&& !targetValue.equals(originValue))
+				target.setValue(key.fKey, originValue);
+
+		}
+	}
+
+	public void propagate() {
+		for (int i = 0; i < fOverlayKeys.length; i++)
+			propagateProperty(fStore, fOverlayKeys[i], fParent);
+	}
+
+	private void loadProperty(IPreferenceStore orgin, OverlayKey key,
+			IPreferenceStore target, boolean forceInitialization) {
+		TypeDescriptor d = key.fDescriptor;
+		if (BOOLEAN == d) {
+
+			if (forceInitialization)
+				target.setValue(key.fKey, true);
+			target.setValue(key.fKey, orgin.getBoolean(key.fKey));
+			target.setDefault(key.fKey, orgin.getDefaultBoolean(key.fKey));
+
+		} else if (DOUBLE == d) {
+
+			if (forceInitialization)
+				target.setValue(key.fKey, 1.0D);
+			target.setValue(key.fKey, orgin.getDouble(key.fKey));
+			target.setDefault(key.fKey, orgin.getDefaultDouble(key.fKey));
+
+		} else if (FLOAT == d) {
+
+			if (forceInitialization)
+				target.setValue(key.fKey, 1.0F);
+			target.setValue(key.fKey, orgin.getFloat(key.fKey));
+			target.setDefault(key.fKey, orgin.getDefaultFloat(key.fKey));
+
+		} else if (INT == d) {
+
+			if (forceInitialization)
+				target.setValue(key.fKey, 1);
+			target.setValue(key.fKey, orgin.getInt(key.fKey));
+			target.setDefault(key.fKey, orgin.getDefaultInt(key.fKey));
+
+		} else if (LONG == d) {
+
+			if (forceInitialization)
+				target.setValue(key.fKey, 1L);
+			target.setValue(key.fKey, orgin.getLong(key.fKey));
+			target.setDefault(key.fKey, orgin.getDefaultLong(key.fKey));
+
+		} else if (STRING == d) {
+
+			if (forceInitialization)
+				target.setValue(key.fKey, "1"); //$NON-NLS-1$
+			target.setValue(key.fKey, orgin.getString(key.fKey));
+			target.setDefault(key.fKey, orgin.getDefaultString(key.fKey));
+
+		}
+	}
+
+	public void load() {
+		for (int i = 0; i < fOverlayKeys.length; i++)
+			loadProperty(fParent, fOverlayKeys[i], fStore, true);
+
+		fLoaded = true;
+
+	}
+
+	public void loadDefaults() {
+		for (int i = 0; i < fOverlayKeys.length; i++)
+			setToDefault(fOverlayKeys[i].fKey);
+	}
+
+	public void start() {
+		if (fPropertyListener == null) {
+			fPropertyListener = new PropertyListener();
+			fParent.addPropertyChangeListener(fPropertyListener);
+		}
+	}
+
+	public void stop() {
+		if (fPropertyListener != null) {
+			fParent.removePropertyChangeListener(fPropertyListener);
+			fPropertyListener = null;
+		}
+	}
+
+	/*
+	 * @see IPreferenceStore#addPropertyChangeListener(IPropertyChangeListener)
+	 */
+	public void addPropertyChangeListener(IPropertyChangeListener listener) {
+		fStore.addPropertyChangeListener(listener);
+	}
+
+	/*
+	 * @see IPreferenceStore#removePropertyChangeListener(IPropertyChangeListener)
+	 */
+	public void removePropertyChangeListener(IPropertyChangeListener listener) {
+		fStore.removePropertyChangeListener(listener);
+	}
+
+	/*
+	 * @see IPreferenceStore#firePropertyChangeEvent(String, Object, Object)
+	 */
+	public void firePropertyChangeEvent(String name, Object oldValue,
+			Object newValue) {
+		fStore.firePropertyChangeEvent(name, oldValue, newValue);
+	}
+
+	/*
+	 * @see IPreferenceStore#contains(String)
+	 */
+	public boolean contains(String name) {
+		return fStore.contains(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getBoolean(String)
+	 */
+	public boolean getBoolean(String name) {
+		return fStore.getBoolean(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getDefaultBoolean(String)
+	 */
+	public boolean getDefaultBoolean(String name) {
+		return fStore.getDefaultBoolean(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getDefaultDouble(String)
+	 */
+	public double getDefaultDouble(String name) {
+		return fStore.getDefaultDouble(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getDefaultFloat(String)
+	 */
+	public float getDefaultFloat(String name) {
+		return fStore.getDefaultFloat(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getDefaultInt(String)
+	 */
+	public int getDefaultInt(String name) {
+		return fStore.getDefaultInt(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getDefaultLong(String)
+	 */
+	public long getDefaultLong(String name) {
+		return fStore.getDefaultLong(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getDefaultString(String)
+	 */
+	public String getDefaultString(String name) {
+		return fStore.getDefaultString(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getDouble(String)
+	 */
+	public double getDouble(String name) {
+		return fStore.getDouble(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getFloat(String)
+	 */
+	public float getFloat(String name) {
+		return fStore.getFloat(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getInt(String)
+	 */
+	public int getInt(String name) {
+		return fStore.getInt(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getLong(String)
+	 */
+	public long getLong(String name) {
+		return fStore.getLong(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#getString(String)
+	 */
+	public String getString(String name) {
+		return fStore.getString(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#isDefault(String)
+	 */
+	public boolean isDefault(String name) {
+		return fStore.isDefault(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#needsSaving()
+	 */
+	public boolean needsSaving() {
+		return fStore.needsSaving();
+	}
+
+	/*
+	 * @see IPreferenceStore#putValue(String, String)
+	 */
+	public void putValue(String name, String value) {
+		if (covers(name))
+			fStore.putValue(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setDefault(String, double)
+	 */
+	public void setDefault(String name, double value) {
+		if (covers(name))
+			fStore.setDefault(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setDefault(String, float)
+	 */
+	public void setDefault(String name, float value) {
+		if (covers(name))
+			fStore.setDefault(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setDefault(String, int)
+	 */
+	public void setDefault(String name, int value) {
+		if (covers(name))
+			fStore.setDefault(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setDefault(String, long)
+	 */
+	public void setDefault(String name, long value) {
+		if (covers(name))
+			fStore.setDefault(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setDefault(String, String)
+	 */
+	public void setDefault(String name, String value) {
+		if (covers(name))
+			fStore.setDefault(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setDefault(String, boolean)
+	 */
+	public void setDefault(String name, boolean value) {
+		if (covers(name))
+			fStore.setDefault(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setToDefault(String)
+	 */
+	public void setToDefault(String name) {
+		fStore.setToDefault(name);
+	}
+
+	/*
+	 * @see IPreferenceStore#setValue(String, double)
+	 */
+	public void setValue(String name, double value) {
+		if (covers(name))
+			fStore.setValue(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setValue(String, float)
+	 */
+	public void setValue(String name, float value) {
+		if (covers(name))
+			fStore.setValue(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setValue(String, int)
+	 */
+	public void setValue(String name, int value) {
+		if (covers(name))
+			fStore.setValue(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setValue(String, long)
+	 */
+	public void setValue(String name, long value) {
+		if (covers(name))
+			fStore.setValue(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setValue(String, String)
+	 */
+	public void setValue(String name, String value) {
+		if (covers(name))
+			fStore.setValue(name, value);
+	}
+
+	/*
+	 * @see IPreferenceStore#setValue(String, boolean)
+	 */
+	public void setValue(String name, boolean value) {
+		if (covers(name))
+			fStore.setValue(name, value);
+	}
+
+	/**
+	 * The keys to add to the list of overlay keys.
+	 * <p>
+	 * Note: This method must be called before {@link #load()} is called.
+	 * </p>
+	 * 
+	 * @param keys
+	 * @since 3.0
+	 */
+	public void addKeys(OverlayKey[] keys) {
+		Assert.isTrue(!fLoaded);
+		Assert.isNotNull(keys);
+
+		int overlayKeysLength = fOverlayKeys.length;
+		OverlayKey[] result = new OverlayKey[keys.length + overlayKeysLength];
+
+		for (int i = 0, length = overlayKeysLength; i < length; i++)
+			result[i] = fOverlayKeys[i];
+
+		for (int i = 0, length = keys.length; i < length; i++)
+			result[overlayKeysLength + i] = keys[i];
+
+		fOverlayKeys = result;
+
+		if (fLoaded)
+			load();
+	}
+}