/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

package com.nokia.carbide.cpp.sdk.ui.shared;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.jface.viewers.TreeNode;

import com.nokia.carbide.cpp.internal.api.sdk.SBSv2Utils;

import com.nokia.carbide.cpp.sdk.core.ISDKManager;

import com.nokia.carbide.cpp.sdk.core.ISymbianBuildContext;

import com.nokia.carbide.cpp.sdk.core.ISymbianBuilderID;

import com.nokia.carbide.cpp.sdk.core.ISymbianSDK;

import com.nokia.carbide.cpp.sdk.core.SDKCorePlugin;

/**

 * A tree node representing a Symbian OS SDK.  This node's children will be the

 * list of available build configurations.

 */

public class BuildTargetTreeNode extends TreeNode {

	public static final String SDK_NODE_ERROR_EPOCROOT_INVALID = " -- SDK location does not exist! Check Symbian SDKs!"; //$NON-NLS

	/**

	 * Constructs a new tree node for the given SDK

	 * @param value the SDK to create the tree node for

	 */

	public BuildTargetTreeNode(ISymbianSDK value) {

		this(value, false);

	}

	/**

	 * Constructs a new tree node for the given SDK

	 * @param value the SDK to create the tree node for

	 * @since 1.4

	 */

	public BuildTargetTreeNode(ISymbianSDK value, boolean sbsv2Project) {

		super(value);

		List<ISymbianBuildContext> configurations = sbsv2Project ? 

				value.getBuildInfo(ISymbianBuilderID.SBSV1_BUILDER).getFilteredBuildConfigurations();

		TreeNode[] children = new TreeNode[configurations.size()];

		int index = 0;

		for (ISymbianBuildContext config : configurations) {

			children[index++] = new TreeNode(config) {

				@Override

				public String toString() {

					ISymbianBuildContext context = (ISymbianBuildContext)getValue();

					String sdkId = context.getSDK().getUniqueId();

					return context.getDisplayString().replace("[" + sdkId + "]", "");

				}

			};

		}

		setChildren(children);

	}

	/**

	 * Returns the unique id the SDK associated with this node

	 */

	public String toString() {

		ISymbianSDK value = (ISymbianSDK) getValue();

		File f = new File(value.getEPOCROOT());

		if (!f.exists()){

			return value.getUniqueId() + SDK_NODE_ERROR_EPOCROOT_INVALID;

		}

		return value.getUniqueId();

	}

	/**

	 * Get the SDK for this node

	 * @return the ISymbianSDK object for this tree node

	 */

	public ISymbianSDK getSymbianSDK() {

		return (ISymbianSDK) getValue();

	}

	/**

	 * Gets the list of SDK tree nodes for use in a tree viewer.  The SDK's are gathered

	 * from the SDK preferences page.  Only enabled SDK's are used.  Each SDK node will

	 * have build configurations for children appropriate for the SDK.  These configurations

	 * are filtered based on the platform filtering preference panel.

	 * @return

	 */

	public static BuildTargetTreeNode[] getTreeViewerInput() {

		return getTreeViewerInput(false);

	}

	/**

	 * Gets the list of SDK tree nodes for use in a tree viewer.  The SDK's are gathered

	 * from the SDK preferences page.  Only enabled SDK's are used.  Each SDK node will

	 * have build configurations for children appropriate for the SDK.  These configurations

	 * are filtered based on the platform filtering preference panel.

	 * @param sbsv2Project true if this is an SBSv2 project which affects how the build

	 * configuration list is calculated

	 * @return array of BuildTargetTreeNode, or null

	 * @since 1.4

	 */

	public static BuildTargetTreeNode[] getTreeViewerInput(boolean sbsv2Project) {

		ISDKManager sdkMgr = SDKCorePlugin.getSDKManager();

		List<ISymbianSDK> sdkList = sdkMgr.getSDKList();

		if (sdkList == null)

			return null;

		List<ISymbianSDK> sdkListCopy = new ArrayList<ISymbianSDK>();

		// Only add SDKs that are enabled

		for (ISymbianSDK currSDK : sdkList){

			if (currSDK.isEnabled()){

				sdkListCopy.add(currSDK);

			}

		}

		if (sbsv2Project) {

			// filter non-SBSv2 supported SDK's

			sdkListCopy = SBSv2Utils.getSupportedSDKs(sdkListCopy);

		}

		BuildTargetTreeNode[] input = new BuildTargetTreeNode[sdkListCopy.size()];

		int index = 0;

		for (ISymbianSDK sdk : sdkListCopy) {

			BuildTargetTreeNode treeNode = new BuildTargetTreeNode(sdk, sbsv2Project);

			if (treeNode.getChildren() != null){

				input[index++] = treeNode;

			}

		}

		// Filter out any SDKs that don't have configs

		BuildTargetTreeNode[] realInput = new BuildTargetTreeNode[index];

		index = 0;

		for (BuildTargetTreeNode currNode : input) {

			if (currNode != null){

				realInput[index++] = currNode;

			}

		}

		return realInput;

	}

}