1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #include <QStandardItemModel>

    19 #include <QDebug>

    20 

    21 #include <hbmainwindow.h>

    22 #include <hbapplication.h>

    23 #include <hbaction.h>

    24 

    25 #include <hbtreeview.h>

    26 #include <hbscrollbar.h>

    27 #include <hbmenu.h>

    28 #include <hbtoolbar.h>

    29 

    30 #include "HelpDataProvider.h"

    31 

    32 #include "HelpCategoryView.h"

    33 

    34 

    35 //////////////////////////////////////////////////////////////////////////////////////////////

    36 

    37 HelpCategoryView::HelpCategoryView() : 

    38 mListAll(NULL),

    39 mExpandCount(0)

    40 {

    41 }

    42 

    43 HelpCategoryView::~HelpCategoryView()

    44 {

    45 }

    46 

    47 

    48 ////////////////////////////////////////////////////////////////////////////////////////////

    49 

    50 void HelpCategoryView::init()

    51 {

    52 	initDocMl();

    53     initAllList();

    54 }

    55 

    56 void HelpCategoryView::initDocMl()

    57 {

    58 	initBaseDocMl();

    59     mBuilder.load(QRC_DOCML_CATEGORY);

    60 }

    61 

    62 void HelpCategoryView::initAllList()

    63 {

    64     mListAll = mBuilder.findWidget<HbTreeView*>(DOCML_LIST_CATEGORY_ALL);

    65     mListAll->setHorizontalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff);

    66     mListAll->setModel(HelpDataProvider::instance()->getCategoryData());

    67     connect(mListAll, SIGNAL(activated(const QModelIndex&)), this, SLOT(onAllListActivated(const QModelIndex&)));

    68 }

    69 

    70 ////////////////////////////////////////////////////////////////////////////////////////////

    71 

    72 void HelpCategoryView::expandCollapseAllList(QStandardItem* item, bool expand)

    73 {

    74 	if(item->rowCount() <= 0)

    75 	{

    76 		return;

    77 	}

    78 	mListAll->setExpanded(item->index(),expand);

    79 	for(int i = 0; i < item->rowCount(); i++)

    80 	{		

    81 		expandCollapseAllList(item->child(i),expand);

    82 	}

    83 }

    84 

    85 void HelpCategoryView::updateExpandCollapseAction(bool expand)

    86 {

    87 	HbAction* allAction = mBuilder.findObject<HbAction*>(DOCML_ACTION_EXPAND_COLLAPSE_ALL);

    88 	allAction->setText(expand ? hbTrId(TXT_EXPAND_ALL) : hbTrId(TXT_COLLAPSE_ALL));

    89 }

    90 

    91 ////////////////////////////////////////////////////////////////////////////////////////////

    92 // handle list event

    93 

    94 void HelpCategoryView::onAllListActivated(const QModelIndex& index)

    95 {

    96     if(!index.isValid() ||          // invalid

    97        index.child(0,0).isValid())  // this is a node

    98     {

    99 		if(index.parent().isValid())

   100 		{

   101 			return;

   102 		}

   103 		

   104 		if(mListAll->isExpanded(index))

   105 		{

   106 			mExpandCount++;

   107 		}

   108 		else

   109 		{

   110 			mExpandCount--;

   111 		}

   112 		updateExpandCollapseAction(mExpandCount == 0);

   113         return;

   114     }

   115 

   116 	QString uid = mListAll->model()->data(index, UidRole).toString();

   117     QString href = mListAll->model()->data(index, HrefRole).toString();

   118     HelpDataProvider::instance()->setHelpContentUrl(uid, href);

   119     emit activateView(HelpViewContents);

   120 }

   121 

   122 ////////////////////////////////////////////////////////////////////////////////////////////

   123 // handle menu event

   124 void HelpCategoryView::onExpandOrCollapseAll()

   125 {

   126 	bool needExpand = (mExpandCount == 0);

   127 	QStandardItemModel* model = (QStandardItemModel*)(mListAll->model());

   128 	expandCollapseAllList(model->invisibleRootItem(),needExpand);

   129 	mExpandCount = needExpand ?  model->invisibleRootItem()->rowCount() : 0;

   130 	updateExpandCollapseAction(mExpandCount == 0);

   131 }

   132 

   133 // end of file