org.eclipse.linuxtools.internal.cdt.autotools.ui.properties.AutotoolsConfigurePrefStore.java Source code

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Here is the source code for org.eclipse.linuxtools.internal.cdt.autotools.ui.properties.AutotoolsConfigurePrefStore.java

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/*******************************************************************************
 * Copyright (c) 2009 Red Hat Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Red Hat Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.linuxtools.internal.cdt.autotools.ui.properties;

import org.eclipse.core.runtime.ListenerList;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.linuxtools.internal.cdt.autotools.core.configure.IAConfiguration;
import org.eclipse.linuxtools.internal.cdt.autotools.core.configure.IConfigureOption;

/**
 * @author jjohnstn
 *
 */
public class AutotoolsConfigurePrefStore implements IPreferenceStore {

    public final static String EMPTY_STRING = new String();
    public final static String ALL_OPTIONS_ID = EMPTY_STRING;

    private static AutotoolsConfigurePrefStore instance = null;
    private ToolListElement selectedElement;
    private IAConfiguration cfg;
    private ListenerList listenerList;
    private boolean isdirty;

    private AutotoolsConfigurePrefStore() {
        // private constructor
    }

    public static AutotoolsConfigurePrefStore getInstance() {
        if (instance == null)
            instance = new AutotoolsConfigurePrefStore();
        return instance;
    }

    public void setSelection(IAConfiguration cfg, ToolListElement element) {
        this.cfg = cfg;
        selectedElement = element;
    }

    /* (non-Javadoc)
     * 
     * @see org.eclipse.jface.preference.IPreferenceStore#addPropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener)
     */
    public void addPropertyChangeListener(IPropertyChangeListener listener) {
        listenerList.add(listener);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#contains(java.lang.String)
     */
    public boolean contains(String name) {
        return cfg.getOption(name) != null;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#firePropertyChangeEvent(java.lang.String, java.lang.Object, java.lang.Object)
     */
    public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
        Object[] listeners = listenerList.getListeners();
        if (listeners.length > 0 && (oldValue == null || !oldValue.equals(newValue))) {
            PropertyChangeEvent pe = new PropertyChangeEvent(this, name, oldValue, newValue);
            for (int i = 0; i < listeners.length; ++i) {
                IPropertyChangeListener l = (IPropertyChangeListener) listeners[i];
                l.propertyChange(pe);
            }
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getBoolean(java.lang.String)
     */
    public boolean getBoolean(String name) {
        IConfigureOption option = cfg.getOption(name);
        if (option != null && option.getType() == IConfigureOption.BIN) {
            return Boolean.parseBoolean(option.getValue());
        }
        // otherwise punt
        return getDefaultBoolean(name);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getDefaultBoolean(java.lang.String)
     */
    public boolean getDefaultBoolean(String name) {
        return false;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getDefaultDouble(java.lang.String)
     */
    public double getDefaultDouble(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getDefaultFloat(java.lang.String)
     */
    public float getDefaultFloat(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getDefaultInt(java.lang.String)
     */
    public int getDefaultInt(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getDefaultLong(java.lang.String)
     */
    public long getDefaultLong(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getDefaultString(java.lang.String)
     */
    public String getDefaultString(String name) {
        return EMPTY_STRING;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getDouble(java.lang.String)
     */
    public double getDouble(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getFloat(java.lang.String)
     */
    public float getFloat(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getInt(java.lang.String)
     */
    public int getInt(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getLong(java.lang.String)
     */
    public long getLong(String name) {
        return 0;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#getString(java.lang.String)
     */
    public String getString(String name) {
        if (name.equals(ALL_OPTIONS_ID) && selectedElement.getType() == IConfigureOption.TOOL) {
            return cfg.getToolParameters(selectedElement.getName());
        }
        IConfigureOption option = cfg.getOption(name);
        if (option != null) {
            return option.getValue();
        }
        // otherwise punt
        return getDefaultString(name);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#isDefault(java.lang.String)
     */
    public boolean isDefault(String name) {
        return false;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#needsSaving()
     */
    public boolean needsSaving() {
        return isdirty;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#putValue(java.lang.String, java.lang.String)
     */
    public void putValue(String name, String value) {
        setValue(name, value);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#removePropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener)
     */
    public void removePropertyChangeListener(IPropertyChangeListener listener) {
        listenerList.remove(listener);
    }

    protected void setDirty(boolean isdirty) {
        this.isdirty = isdirty;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setDefault(java.lang.String, double)
     */
    public void setDefault(String name, double value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setDefault(java.lang.String, float)
     */
    public void setDefault(String name, float value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setDefault(java.lang.String, int)
     */
    public void setDefault(String name, int value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setDefault(java.lang.String, long)
     */
    public void setDefault(String name, long value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setDefault(java.lang.String, java.lang.String)
     */
    public void setDefault(String name, String defaultObject) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setDefault(java.lang.String, boolean)
     */
    public void setDefault(String name, boolean value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setToDefault(java.lang.String)
     */
    public void setToDefault(String name) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setValue(java.lang.String, double)
     */
    public void setValue(String name, double value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setValue(java.lang.String, float)
     */
    public void setValue(String name, float value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setValue(java.lang.String, int)
     */
    public void setValue(String name, int value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setValue(java.lang.String, long)
     */
    public void setValue(String name, long value) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setValue(java.lang.String, java.lang.String)
     */
    public void setValue(String name, String value) {
        IConfigureOption option = cfg.getOption(name);
        if (option != null)
            option.setValue(value);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferenceStore#setValue(java.lang.String, boolean)
     */
    public void setValue(String name, boolean value) {
        IConfigureOption option = cfg.getOption(name);
        if (option != null)
            option.setValue(Boolean.toString(value));
    }
}