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:   Multiselection dialog

    15 *

    16 */

    17 

    18 #include <hbaction.h>

    19 #include <hblabel.h>

    20 #include <hbpushbutton.h>

    21 #include <hgwidgets/hgwidgets.h>

    22 #include <QGraphicsLinearLayout>

    23 #include "hgselectiondialog.h"

    24 #include "trace.h"

    25 

    26 HgSelectionDialog::HgSelectionDialog(

    27     const QString &title, const QString &primaryText,

    28     HgWidget *content, QGraphicsItem *parent) :

    29     HbDialog(parent),

    30     mHgWidget(content),

    31     mSelectAll(new HbPushButton("---")),

    32     mCountLabel(new HbLabel("--/--"))

    33 {

    34     FUNC_LOG;

    35 

    36     setDismissPolicy(HbDialog::NoDismiss);

    37     setTimeout(HbDialog::NoTimeout);

    38     setHeadingWidget(new HbLabel(title, this));

    39     setPrimaryAction(new HbAction(primaryText, this));

    40     primaryAction()->setDisabled(true);

    41     setSecondaryAction(new HbAction("Cancel", this));

    42 

    43     connect(content->selectionModel(),

    44             SIGNAL(selectionChanged(QItemSelection, QItemSelection)),

    45             SLOT(updateItems()));

    46     connect(content->model(),

    47             SIGNAL(rowsInserted(QModelIndex, int, int)),

    48             SLOT(updateItems()));

    49     connect(content->model(),

    50             SIGNAL(rowsRemoved(QModelIndex, int, int)),

    51             SLOT(updateItems()));

    52 

    53     HbWidget *contentWidget = new HbWidget;

    54     HANDLE_ERROR_NULL(contentWidget);

    55     if (contentWidget) {

    56         QGraphicsLinearLayout *contentLayout = new QGraphicsLinearLayout(Qt::Vertical);

    57         HANDLE_ERROR_NULL(contentLayout);

    58         if (contentLayout) {

    59             QGraphicsLinearLayout *topLayout = new QGraphicsLinearLayout(Qt::Horizontal);

    60             HANDLE_ERROR_NULL(topLayout);

    61             if (topLayout) {

    62                 HANDLE_ERROR_NULL(mSelectAll);

    63                 if (mSelectAll) {

    64                     topLayout->addItem(mSelectAll);

    65                     connect(mSelectAll, SIGNAL(clicked()), SLOT(selectAll()));

    66                 }

    67                 if (mCountLabel) {

    68                     mCountLabel->setAlignment(Qt::AlignRight);

    69                     topLayout->addItem(mCountLabel);

    70                 }

    71 

    72                 contentLayout->addItem(topLayout);

    73             }

    74 

    75             contentLayout->addItem(mHgWidget);

    76             contentWidget->setLayout(contentLayout);

    77         }

    78         setContentWidget(contentWidget);

    79     }

    80 

    81     updateItems();

    82 }

    83 

    84 HgSelectionDialog::~HgSelectionDialog()

    85 {

    86     FUNC_LOG;

    87 }

    88 

    89 void HgSelectionDialog::updateItems()

    90 {

    91     FUNC_LOG;

    92 

    93     if (mHgWidget) {

    94         QItemSelectionModel *selectionModel = mHgWidget->selectionModel();

    95         QAbstractItemModel *model = mHgWidget->model();

    96         if (selectionModel && model) {

    97             primaryAction()->setEnabled(selectionModel->hasSelection());

    98 

    99             int selectedCount = selectionModel->selectedIndexes().count();

   100             int itemCount = model->rowCount();

   101 

   102             if (selectedCount == itemCount) {

   103                 mSelectAll->setText("Unselect all");

   104                 mSelectAll->setChecked(false);

   105             }

   106             else {

   107                 mSelectAll->setText("Select all");

   108                 mSelectAll->setChecked(false);

   109             }

   110 

   111             mCountLabel->setPlainText(tr("%1/%2").arg(selectedCount).arg(itemCount));

   112         }

   113     }

   114 }

   115 

   116 void HgSelectionDialog::selectAll()

   117 {

   118     FUNC_LOG;

   119 

   120     if (mHgWidget) {

   121         QItemSelectionModel *selectionModel = mHgWidget->selectionModel();

   122         QAbstractItemModel *model = mHgWidget->model();

   123         if (selectionModel && model) {

   124             int selectedCount = selectionModel->selectedIndexes().count();

   125             int itemCount = model->rowCount();

   126 

   127             if (selectedCount == itemCount) {

   128                 mHgWidget->clearSelection();

   129             }

   130             else {

   131                 mHgWidget->selectAll();

   132             }

   133         }

   134     }

   135 }