/*

 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 * Composite for target label and combo box

 *

 */

package com.nokia.tracebuilder.view;

import java.util.Iterator;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.ModifyListener;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

import com.nokia.tracebuilder.engine.SoftwareComponent;

import com.nokia.tracebuilder.engine.TraceBuilderGlobals;

import com.nokia.tracebuilder.engine.TraceObjectPropertyDialog;

import com.nokia.tracebuilder.engine.rules.RuleUtils;

import com.nokia.tracebuilder.model.TraceConstantTable;

import com.nokia.tracebuilder.project.FormattingUtils;

import com.nokia.tracebuilder.project.GroupNameHandlerBase;

/**

 * Composite for target label and combo box

 * 

 */

final class PropertyDialogUITarget extends PropertyDialogComposite {

	/**

	 * Target label

	 */

	private Label targetLabel = null;

	/**

	 * Target selector

	 */

	private Combo targetCombo = null;

	/**

	 * Property dialog UI

	 */

	private PropertyDialogUI dialogUI;

	/**

	 * Constructor

	 * 

	 * @param parent

	 *            parent composite

	 * @param uiType

	 *            the type of UI

	 * @param modifyListener

	 *            combobox text change listener

	 * @param selectionListener

	 *            combobox selection change listener

	 */

	PropertyDialogUITarget(Composite parent, int uiType,

			ModifyListener modifyListener, SelectionListener selectionListener) {

		super(parent);

		this.dialogUI = (PropertyDialogUI) parent;

		create(uiType, modifyListener, selectionListener);

	}

	/**

	 * Creates the label and combo box

	 * 

	 * @param uiType

	 *            the UI type

	 * @param modifyListener

	 *            combobox text change listener

	 * @param selectionListener

	 *            combobox selection change listener

	 */

	private void create(int uiType, ModifyListener modifyListener,

			SelectionListener selectionListener) {

		targetLabel = new Label(getParent(), SWT.NONE);

		if (uiType == TraceObjectPropertyDialog.SELECT_COMPONENT) {

			targetCombo = new Combo(getParent(), SWT.READ_ONLY);

		} else {

			targetCombo = new Combo(getParent(), SWT.NONE);

		}

		int selid = 0;

		String text;

		if (uiType == TraceObjectPropertyDialog.SELECT_COMPONENT) {

			text = Messages

					.getString("PropertyDialogUI.SelectComponentNameLabel"); //$NON-NLS-1$	

			Iterator<SoftwareComponent> components = TraceBuilderGlobals

					.getSoftwareComponents();

			while (components.hasNext()) {

				SoftwareComponent component = components.next();

				targetCombo.add(component.getName());

			}

		} else if (uiType == TraceObjectPropertyDialog.ADD_CONSTANT) {

			text = Messages

					.getString("PropertyDialogUITarget.AddConstantTargetLabel"); //$NON-NLS-1$

			Iterator<TraceConstantTable> tables = TraceBuilderGlobals

					.getTraceModel().getConstantTables();

			while (tables.hasNext()) {

				targetCombo.add(tables.next().getName());

			}

		} else {

			text = Messages.getString("PropertyDialogUI.AddTraceTargetLabel"); //$NON-NLS-1$

			Iterator<String> groups = FormattingUtils

					.getGroupNames(TraceBuilderGlobals.getTraceModel());

			while (groups.hasNext()) {

				String group = groups.next();

				// TRACE_STATE and TRACE_PERFORMACE group names are not added

				// to combo, those can be used only via templates

				GroupNameHandlerBase groupNameHandler = TraceBuilderGlobals.getGroupNameHandler();

				String[] defaultGroups = groupNameHandler.getDefaultGroups();

				if (group != defaultGroups[groupNameHandler.getStateGroupIdIndex()]

						&& group != defaultGroups[groupNameHandler.getPerformanceGroupIdIndex()]) {

					targetCombo.add(group);

				}

			}

		}

		targetLabel.setText(text);

		targetCombo.select(selid);

		targetCombo.addSelectionListener(selectionListener);

		targetCombo.addModifyListener(modifyListener);

		setFieldButtonLayoutData(targetCombo, null);

	}

	/**

	 * Gets the target trace object

	 * 

	 * @return the target

	 */

	String getTarget() {

		return targetCombo.getText();

	}

	/**

	 * Sets the target object

	 * 

	 * @param target

	 *            the new target

	 */

	void setTarget(String target) {

		int found = -1;

		for (int i = 0; i < targetCombo.getItemCount() && found == -1; i++) {

			if (targetCombo.getItem(i).equals(target)) {

				found = i;

			}

		}

		int uiType = dialogUI.getUiType();

		if (found >= 0) {

			targetCombo.select(found);

		} else if (uiType == TraceObjectPropertyDialog.ADD_PARAMETER

				|| uiType == TraceObjectPropertyDialog.ADD_TRACE

				|| uiType == TraceObjectPropertyDialog.INSTRUMENTER) {

			int templateIndex = dialogUI.templateComposite.getTemplateIndex();

			GroupNameHandlerBase groupNameHandler = TraceBuilderGlobals.getGroupNameHandler();

			String[] defaultGroups = groupNameHandler.getDefaultGroups();

			if (((!target

					.equals(defaultGroups[groupNameHandler.getStateGroupIdIndex()]) && !target

					.equals(defaultGroups[groupNameHandler.getPerformanceGroupIdIndex()])) && templateIndex == 0)

					|| (target

							.equals(defaultGroups[groupNameHandler.getStateGroupIdIndex()]) && templateIndex == RuleUtils.TYPE_STATE_TRACE + 1)

					|| (target

							.equals(defaultGroups[groupNameHandler.getPerformanceGroupIdIndex()]) && templateIndex == RuleUtils.TYPE_PERF_EVENT + 1)

					|| (target

							.equals(defaultGroups[groupNameHandler.getFlowGroupIdIndex()]) && templateIndex == RuleUtils.TYPE_ENTRY_EXIT + 1)) {

				targetCombo.setText(target);

			} else {

				targetCombo.select(groupNameHandler.getNormalGroupIdIndex() - 1);

			}

		}

	}

	/**

	 * Enables / disables the target field

	 * 

	 * @param flag

	 *            new enabled state

	 */

	void setEnabled(boolean flag) {

		targetCombo.setEnabled(flag);

	}

}