/*******************************************************************************
 * Copyright (c) 2010, 2011 Texas Instruments, and others.
 * 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:
 * Texas Instruments - Initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.managedbuilder.ui.properties;

import org.eclipse.cdt.managedbuilder.core.IOption;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;


/**
 * This interface can be implemented by clients to contribute custom build-option 
 * editors to the CDT Build Settings page in the project Properties dialog.
 * 
 * In addition to implementing this interface, the custom build-option editor class
 * must also extend the {@link org.eclipse.jface.preference.FieldEditor} class. The
 * custom build-option editor class should be contributed through the <fieldEditor> 
 * element of the org.eclipse.cdt.managedbuilder.ui.buildDefinitionsUI extension-point,
 * and then referenced, by its ID, from the <option>/fieldEditorId attribute of the 
 * org.eclipse.cdt.managedbuilder.core.buildDefinitions extension-point.
 *  
 * @since 8.0
 */
public interface ICustomBuildOptionEditor
{
	/**
	 * Initializes the custom field-editor.
	 * 
     * @param option the underlying build-option.
     * @param extraArgument an optional {@link IOption#getFieldEditorExtraArgument() extra argument} 
     * 			for the field-editor. May be {@code null}.
     * @param preferenceName the name of the preference this field editor binds to.
     * @param parent the parent of the field editor's control.
     * @return {@code true} iff the custom field-editor can be successfully displayed. Returning {@code false}
     * 			would cause the built-in field-editor to be displayed based on the option's {@link IOption#getValueType() valueType}.
	 */
	boolean init(IOption option, String extraArgument, String preferenceName, Composite parent);
	
	/**
	 * Returns the list of controls for which tool-tips should be displayed by the Build Settings dialog-page.
	 * 
	 * @return the list of controls for which tool-tips should automatically be displayed by the Build Settings dialog-page.
	 * 			May return {@code null} to signify that tool-tips are handled by the custom field-editor itself.
	 */
	Control[] getToolTipSources();
	
}