author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:25:10 +0300 | |
branch | RCL_3 |
changeset 55 | 613943a21004 |
permissions | -rw-r--r-- |
55
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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#include <btuimodelsortfilter.h> |
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#include <btdevicemodel.h> |
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#include "btuidevtypemap.h" |
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/*! |
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Constructor. |
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*/ |
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BtuiModelSortFilter::BtuiModelSortFilter( QObject *parent ) |
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: QSortFilterProxyModel( parent ) |
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{ |
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setDynamicSortFilter( true ); |
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} |
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|
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/*! |
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Destructor. |
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*/ |
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BtuiModelSortFilter::~BtuiModelSortFilter() |
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{ |
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} |
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|
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/*! |
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Replace current filter values for filtering on major device class with |
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the specified. |
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*/ |
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void BtuiModelSortFilter::setDeviceMajorFilter( int filter, FilterMode mode ) |
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{ |
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mFilters.clear(); |
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addDeviceMajorFilter( filter, mode ); |
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} |
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|
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/*! |
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Add the specified filter value for filtering on major device class |
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if the specified filter doesn't exist when this function is called. |
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*/ |
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void BtuiModelSortFilter::addDeviceMajorFilter( int filter, FilterMode mode ) |
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{ |
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FilterItem f(filter, mode); |
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if ( mFilters.indexOf(f) == -1 ) { |
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mFilters.append( f ); |
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invalidateFilter(); |
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} |
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} |
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|
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/*! |
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Clear the specified filter value for filtering on major device class from this model. |
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*/ |
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void BtuiModelSortFilter::clearDeviceMajorFilter( int filter, FilterMode mode ) |
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{ |
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FilterItem f(filter, mode); |
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int i = mFilters.indexOf(f); |
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if ( i > -1 ) { |
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mFilters.removeAt( i ); |
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invalidateFilter(); |
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} |
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} |
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|
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/*! |
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clear all filters for filtering on major device class. |
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This Model will reset itself. |
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*/ |
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void BtuiModelSortFilter::clearDeviceMajorFilters() |
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{ |
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// model reset is needed if there are filters : |
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if ( mFilters.size() > 0 ) { |
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mFilters.clear(); |
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invalidateFilter(); |
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} |
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} |
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|
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/*! |
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return true if the specified filter exists; return false otherwise. |
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*/ |
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bool BtuiModelSortFilter::hasFilter( int filter, FilterMode mode ) |
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{ |
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FilterItem f(filter, mode); |
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return mFilters.indexOf(f) > -1 ; |
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} |
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|
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/*! |
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\reimp |
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*/ |
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bool BtuiModelSortFilter::filterAcceptsRow( |
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int sourceRow, const QModelIndex &sourceParent) const |
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{ |
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bool accepted (false ); |
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// Get the device name from the model |
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QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent); |
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// the row shall pass all filters: |
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for (int i = 0; i < mFilters.size(); i++ ) { |
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if ( mFilters.at(i).mFilter == BtuiDevProperty::NullProperty ) { |
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accepted = true; // There is no filter, we accept all |
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109 |
} |
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110 |
else { |
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111 |
int majorProperty = |
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sourceModel()->data(index, BtDeviceModel::MajorPropertyRole).toInt(); |
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113 |
switch (mFilters.at(i).mMode) { |
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114 |
case ExactMatch: |
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115 |
// Accept if the match is spot-on |
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accepted = majorProperty == mFilters.at(i).mFilter ; |
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117 |
break; |
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118 |
case AtLeastMatch: |
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119 |
// accept if it matches all specified properties: |
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accepted = ( mFilters.at(i).mFilter == |
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( majorProperty & mFilters.at(i).mFilter ) ); |
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122 |
break; |
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123 |
case RoughMatch: |
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124 |
// Accept if it matches one of specified properties: |
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accepted = (majorProperty & mFilters.at(i).mFilter) != 0; |
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126 |
break; |
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127 |
case Exclusive: |
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128 |
// Accept if this is not one that we want to filter out |
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129 |
accepted = (majorProperty & mFilters.at(i).mFilter) == 0; |
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130 |
break; |
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131 |
default: |
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132 |
accepted = false; |
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133 |
} |
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134 |
} |
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// Break out of the loop at first non-accepted condition |
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136 |
if (!accepted) |
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137 |
break; |
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138 |
} |
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139 |
if (accepted) { |
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// emit signal to inform a row has been accepted by fitler, |
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141 |
// currently this is only needed by search view |
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142 |
emit const_cast<BtuiModelSortFilter*>(this)->deviceAcceptedByFilter( sourceRow ); |
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143 |
} |
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144 |
return accepted; |
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145 |
} |
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146 |
|
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147 |
/*! |
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148 |
\reimp |
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149 |
*/ |
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150 |
bool BtuiModelSortFilter::lessThan( |
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const QModelIndex &left, const QModelIndex &right) const |
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152 |
{ |
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if (sortRole() == BtDeviceModel::NameAliasRole || |
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sortRole() == BtDeviceModel::LastUsedTimeRole || |
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sortRole() == BtDeviceModel::RssiRole || |
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sortRole() == BtDeviceModel::SeqNumRole) { |
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157 |
// base class provides sorting for these types already: |
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return QSortFilterProxyModel::lessThan(left, right); |
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159 |
} |
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160 |
// no custom sort supported yet. |
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161 |
return true; |
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162 |
} |