package org.eclipse.debug.internal.ui;

/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */

import org.eclipse.jface.preference.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.ui.texteditor.PropagatingFontFieldEditor;

/**
 * A page to set the preferences for the console
 */
public class ConsolePreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage, IDebugPreferenceConstants {
		
	private static final String PREFIX= "console_preferences.";
	private static final String DESCRIPTION= PREFIX + "description";
	private static final String OUT= PREFIX + "out";
	private static final String ERR= PREFIX + "err";
	private static final String IN= PREFIX + "in";
	private static final String FONT=PREFIX + "font";

	/**
	 * Create the console page.
	 */
	public ConsolePreferencePage() {
		super(GRID);
		setDescription(DebugUIUtils.getResourceString(DESCRIPTION));
		IPreferenceStore store= DebugUIPlugin.getDefault().getPreferenceStore();
		setPreferenceStore(store);
	}

	public void createControl(Composite parent) {
		super.createControl(parent);
		WorkbenchHelp.setHelp(
			parent,
			new Object[] { IDebugHelpContextIds.CONSOLE_PREFERENCE_PAGE });
	}
	
	/**
	 * Create all field editors for this page
	 */
	public void createFieldEditors() {

		// Note: first String value is the key for the preference bundle and second the
		// second String value is the label displayed in front of the editor.
		ColorFieldEditor sysout= new ColorFieldEditor(CONSOLE_SYS_OUT_RGB, DebugUIUtils.getResourceString(OUT), getFieldEditorParent());
		ColorFieldEditor syserr= new ColorFieldEditor(CONSOLE_SYS_ERR_RGB, DebugUIUtils.getResourceString(ERR), getFieldEditorParent());
		ColorFieldEditor sysin= new ColorFieldEditor(CONSOLE_SYS_IN_RGB, DebugUIUtils.getResourceString(IN), getFieldEditorParent());
		
		PropagatingFontFieldEditor editor= new PropagatingFontFieldEditor(CONSOLE_FONT,
				DebugUIUtils.getResourceString(FONT), getFieldEditorParent());
		
		addField(sysout);
		addField(syserr);
		addField(sysin);
		addField(editor);
	}

	/**
	 * @see IWorkbenchPreferencePage#init
	 */
	public void init(IWorkbench workbench) {
	}
	
	/**
	 * Returns the a color based on the type.
	 */
	protected static Color getPreferenceColor(String type) {
		IPreferenceStore pstore= DebugUIPlugin.getDefault().getPreferenceStore();
		RGB outRGB= PreferenceConverter.getColor(pstore, type);
		ColorManager colorManager= DebugUIPlugin.getDefault().getColorManager();
		return colorManager.getColor(outRGB);
	}
	
	/**
	 * Returns the font data that describes the font to use for the console
	 */
	protected static FontData getConsoleFontData() {
		IPreferenceStore pstore= DebugUIPlugin.getDefault().getPreferenceStore();
		FontData fontData= PreferenceConverter.getFontData(pstore, CONSOLE_FONT);
		return fontData;
	}
	
	public static void initDefaults(IPreferenceStore store) {
		PropagatingFontFieldEditor.startPropagate(store, CONSOLE_FONT);
	}	
}