1 /*

     2 * Copyright (c) 2010 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 <QGraphicsLinearLayout>

    19 #include <QScopedPointer>

    20 #include <HbPushButton>

    21 #include <HbSelectionDialog>

    22 #include <HbLabel>

    23 #include <HbExtendedLocale>

    24 

    25 #include "nmipssettingsmultiselectionitem.h"

    26 

    27 /*!

    28     \class NmIpsSettingsMultiSelectionItem

    29     \brief The class implements a custom HbDataFormViewItem for showing multi selection dialog.

    30 

    31 */

    32 

    33 // ======== MEMBER FUNCTIONS ========

    34 

    35 /*!

    36     Constructor of NmIpsSettingsMultiSelectionItem.

    37 */

    38 

    39 

    40 NmIpsSettingsMultiSelectionItem::NmIpsSettingsMultiSelectionItem(

    41     QGraphicsItem *parent, Qt::WindowFlags wFlags)

    42  : HbWidget(parent, wFlags),

    43    mButton(0),

    44    mSelectionDialog(0)

    45 {

    46     // Create widget layout.

    47     QScopedPointer<QGraphicsLinearLayout> layout(new QGraphicsLinearLayout(Qt::Vertical, this));

    48     this->setLayout(layout.data());

    49 

    50     // Create button.

    51     mButton = new HbPushButton();

    52     layout->addItem(mButton);

    53 

    54     connect(mButton, SIGNAL(clicked()), this, SLOT(launchSelectionDialog()));

    55     (void)layout.take();

    56 }

    57 

    58 /*!

    59     Destructor of NmIpsSettingsMultiSelectionItem.

    60 */

    61 NmIpsSettingsMultiSelectionItem::~NmIpsSettingsMultiSelectionItem()

    62 {

    63     delete mSelectionDialog;

    64 }

    65 

    66 /*!

    67     Returns shown text.

    68 

    69     \return Shown text.

    70 */

    71 QString NmIpsSettingsMultiSelectionItem::text() const

    72 {

    73     return mButton->text();

    74 }

    75 

    76 /*!

    77     Sets shown text.

    78 

    79     \param text Shown text.

    80 */

    81 void NmIpsSettingsMultiSelectionItem::setText(QString text)

    82 {

    83     mButton->setText(text);

    84 }

    85 

    86 /*!

    87     Returns items which are shown in dialog.

    88 

    89     \return items which are shown in dialog.

    90 */

    91 QStringList NmIpsSettingsMultiSelectionItem::stringItems() const

    92 {

    93     return mItems;

    94 }

    95 

    96 /*!

    97     Sets items which are shown in dialog.

    98 

    99     \param items Items which are shown in dialog.

   100 */

   101 void NmIpsSettingsMultiSelectionItem::setStringItems(QStringList items)

   102 {

   103     mItems = items;

   104     generateButtonText();

   105 }

   106 

   107 /*!

   108     Returns selected items.

   109 

   110     \return selected items.

   111 */

   112 QList<QVariant> NmIpsSettingsMultiSelectionItem::selectedItems()const

   113 {

   114     return mSelectedItems;

   115 }

   116 

   117 /*!

   118     Sets selected items.

   119 

   120     \param selectedItems Indexes of items which will be seleceted when dialog is shown.

   121 */

   122 void NmIpsSettingsMultiSelectionItem::setSelectedItems(QList<QVariant> selectedItems)

   123 {

   124     // Store selected items and generate button text.

   125     mSelectedItems = selectedItems;

   126     generateButtonText();

   127 }

   128 

   129 /*!

   130     Returns heading text.

   131 

   132     \return heading text.

   133 */

   134 QString NmIpsSettingsMultiSelectionItem::heading() const

   135 {

   136     return mHeading;

   137 }

   138 

   139 /*!

   140     Sets heading text.

   141 

   142     \param heading Shown heading text in dialog.

   143 */

   144 void NmIpsSettingsMultiSelectionItem::setHeading(QString heading)

   145 {

   146     mHeading = heading;

   147 }

   148 

   149 /*!

   150     Launches the Selection dialog.

   151 */

   152 void NmIpsSettingsMultiSelectionItem::launchSelectionDialog()

   153 {

   154     if (mSelectionDialog) {

   155         delete mSelectionDialog;

   156         mSelectionDialog = 0;

   157     }

   158 

   159     // Create the dialog.

   160     mSelectionDialog = new HbSelectionDialog();

   161     mSelectionDialog->setSelectionMode(HbAbstractItemView::MultiSelection);

   162     mSelectionDialog->setStringItems(mItems, mItems.count() + 1);

   163     mSelectionDialog->setSelectedItems(mSelectedItems);

   164 

   165     // Set the heading for the dialog.

   166     HbLabel *headingLabel = new HbLabel(mHeading, mSelectionDialog);

   167     mSelectionDialog->setHeadingWidget(headingLabel);

   168     mSelectionDialog->open(this, SLOT(selectionDialogClosed(HbAction *)));

   169 }

   170 

   171 /*!

   172     Handles the action from selection dialog.

   173 

   174     \param action Dialog closing action.

   175 */

   176 void NmIpsSettingsMultiSelectionItem::selectionDialogClosed(HbAction *action)

   177 {

   178     if (action == mSelectionDialog->primaryAction()) {

   179         // Get selected items.

   180         mSelectedItems = mSelectionDialog->selectedItems();

   181 

   182         // Generate button text from selected items.

   183         generateButtonText();

   184 

   185         QMap<QString, QVariant> properties;

   186         properties.insert("selectedItems", mSelectedItems);

   187 

   188         emit propertyChanged(properties);

   189 

   190         // Emit the signal.

   191         emit editingFinished();

   192     }

   193 }

   194 

   195 /*!

   196     Generates shown text from selected items.

   197 */

   198 void NmIpsSettingsMultiSelectionItem::generateButtonText()

   199 {

   200     // Generate button text only if both properties are valid.

   201     const int itemCount(mItems.count());

   202     if (mItems.count() >= mSelectedItems.count()) {

   203         // Construct separator for button text.

   204         QChar groupSeparator = HbExtendedLocale::system().groupSeparator();

   205         QString separator(" ");

   206         separator.insert(0, groupSeparator);

   207 

   208         QString buttonText;

   209         QListIterator<QVariant> itemIterator(mSelectedItems);

   210         while (itemIterator.hasNext()) {

   211             QVariant item(itemIterator.next());

   212             bool conversionOk(false);

   213             const int selectedIndex(item.toInt(&conversionOk));

   214             if (conversionOk && (selectedIndex >= 0) && (selectedIndex < itemCount)) {

   215                 // Generate button text.

   216                 buttonText.append(mItems.at(selectedIndex));

   217                 // Add separator if not last item.

   218                 if (itemIterator.hasNext()) {

   219                     buttonText.append(separator);

   220                 }

   221             }

   222         }

   223         mButton->setText(buttonText);

   224     }

   225 }