diff options
Diffstat (limited to 'org.eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/OverlayPreferenceStore.java')
-rw-r--r-- | org.eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/OverlayPreferenceStore.java | 547 |
1 files changed, 0 insertions, 547 deletions
diff --git a/org.eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/OverlayPreferenceStore.java b/org.eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/OverlayPreferenceStore.java deleted file mode 100644 index c0c24edc0c1..00000000000 --- a/org.eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/OverlayPreferenceStore.java +++ /dev/null @@ -1,547 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 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 org.eclipse.ui.internal.editors.text; - -import org.eclipse.jface.preference.IPreferenceStore; -import org.eclipse.jface.preference.PreferenceStore; -import org.eclipse.jface.util.IPropertyChangeListener; -import org.eclipse.jface.util.PropertyChangeEvent; - -import org.eclipse.jface.text.Assert; - -/** - * An overlaying preference store. - * - * @since 2.1 - */ -class OverlayPreferenceStore implements IPreferenceStore { - - - /** - * Descriptor used to denote data types. - */ - 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(); - - /** - * Data structure for the overlay key. - */ - public static class OverlayKey { - - TypeDescriptor fDescriptor; - String fKey; - - public OverlayKey(TypeDescriptor descriptor, String key) { - fDescriptor= descriptor; - fKey= key; - } - } - - /* - * @see IPropertyChangeListener - */ - 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); - } - } - - - /** The parent preference store. */ - private IPreferenceStore fParent; - /** This store. */ - private IPreferenceStore fStore; - /** The keys of this store. */ - private OverlayKey[] fOverlayKeys; - /** The property listener. */ - private PropertyListener fPropertyListener; - private boolean fLoaded; - - - /** - * Creates and returns a new overlay preference store. - * - * @param parent the parent preference store - * @param overlayKeys the overlay keys - */ - public OverlayPreferenceStore(IPreferenceStore parent, OverlayKey[] overlayKeys) { - fParent= parent; - fOverlayKeys= overlayKeys; - fStore= new PreferenceStore(); - } - - /** - * Tries to find and return the overlay key for the given preference key string. - * - * @param key the preference key string - * @return the overlay key or <code>null</code> if none can be found - */ - private OverlayKey findOverlayKey(String key) { - for (int i= 0; i < fOverlayKeys.length; i++) { - if (fOverlayKeys[i].fKey.equals(key)) - return fOverlayKeys[i]; - } - return null; - } - - /** - * Tells whether the given preference key string is - * covered by this overlay store. - * - * @param key the preference key string - * @return <code>true</code> if this overlay store covers the given key - */ - private boolean covers(String key) { - return (findOverlayKey(key) != null); - } - - /** - * Propagates the given overlay key from the orgin to the target preference store. - * - * @param orgin the source preference store - * @param key the overlay key - * @param target the preference store to which the key is propagated - */ - 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); - - } - } - - /** - * Propagates all overlay keys from this store to the parent store. - */ - public void propagate() { - for (int i= 0; i < fOverlayKeys.length; i++) - propagateProperty(fStore, fOverlayKeys[i], fParent); - } - - /** - * Loads the given key from the orgin into the target. - * - * @param orgin the source preference store - * @param key the overlay key - * @param target the preference store to which the key is propagated - * @param forceInitialization if <code>true</code> the value in the target gets initialized before loading - */ - 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)); - - } - } - - /** - * Loads the values from the parent into this store. - */ - public void load() { - for (int i= 0; i < fOverlayKeys.length; i++) - loadProperty(fParent, fOverlayKeys[i], fStore, true); - - fLoaded= true; - } - - /** - * Loads the default values. - */ - public void loadDefaults() { - for (int i= 0; i < fOverlayKeys.length; i++) - setToDefault(fOverlayKeys[i].fKey); - } - - /** - * Starts to listen for changes. - */ - public void start() { - if (fPropertyListener == null) { - fPropertyListener= new PropertyListener(); - fParent.addPropertyChangeListener(fPropertyListener); - } - } - - /** - * Stops to listen for changes. - */ - public void stop() { - if (fPropertyListener != null) { - fParent.removePropertyChangeListener(fPropertyListener); - fPropertyListener= null; - } - } - - /* - * @see IPreferenceStore#addPropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener) - */ - public void addPropertyChangeListener(IPropertyChangeListener listener) { - fStore.addPropertyChangeListener(listener); - } - - /* - * @see IPreferenceStore#removePropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener) - */ - public void removePropertyChangeListener(IPropertyChangeListener listener) { - fStore.removePropertyChangeListener(listener); - } - - /* - * @see IPreferenceStore#firePropertyChangeEvent(java.lang.String, java.lang.Object, java.lang.Object) - */ - public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) { - fStore.firePropertyChangeEvent(name, oldValue, newValue); - } - - /* - * @see IPreferenceStore#contains(java.lang.String) - */ - public boolean contains(String name) { - return fStore.contains(name); - } - - /* - * @see IPreferenceStore#getBoolean(java.lang.String) - */ - public boolean getBoolean(String name) { - return fStore.getBoolean(name); - } - - /* - * @see IPreferenceStore#getDefaultBoolean(java.lang.String) - */ - public boolean getDefaultBoolean(String name) { - return fStore.getDefaultBoolean(name); - } - - /* - * @see IPreferenceStore#getDefaultDouble(java.lang.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(); - } -} |