KChart

KChartAttributesModel.cpp
1/*
2 * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
3 *
4 * This file is part of the KD Chart library.
5 *
6 * SPDX-License-Identifier: GPL-2.0-or-later
7 */
8
9#include "KChartAttributesModel.h"
10
11#include "KChartPalette.h"
12#include "KChartMath_p.h"
13
14#include <QDebug>
15#include <QPen>
16#include <QPointer>
17
18#include <KChartTextAttributes.h>
19#include <KChartFrameAttributes.h>
20#include <KChartBackgroundAttributes.h>
21#include <KChartDataValueAttributes.h>
22#include <KChartMarkerAttributes.h>
23#include <KChartBarAttributes.h>
24#include <KChartStockBarAttributes.h>
25#include <KChartLineAttributes.h>
26#include <KChartPieAttributes.h>
27#include <KChartAbstractThreeDAttributes.h>
28#include <KChartThreeDBarAttributes.h>
29#include <KChartThreeDLineAttributes.h>
30#include <KChartThreeDPieAttributes.h>
31#include <KChartGridAttributes.h>
32#include <KChartValueTrackerAttributes.h>
33
34
35using namespace KChart;
36
37
38class Q_DECL_HIDDEN AttributesModel::Private
39{
40public:
41 Private();
42
43 QMap< int, QMap< int, QMap< int, QVariant > > > dataMap;
44 QMap< int, QMap< int, QVariant > > horizontalHeaderDataMap;
45 QMap< int, QMap< int, QVariant > > verticalHeaderDataMap;
46 QMap< int, QVariant > modelDataMap;
47 QMap< int, QVariant > defaultsMap;
48 int dataDimension;
49 AttributesModel::PaletteType paletteType;
50 Palette palette;
51};
52
53AttributesModel::Private::Private()
54 : dataDimension( 1 ),
55 paletteType( AttributesModel::PaletteTypeDefault ),
56 palette( Palette::defaultPalette() )
57{
58}
59
60#define d d_func()
61
62AttributesModel::AttributesModel( QAbstractItemModel* model, QObject * parent/* = 0 */ )
63 : AbstractProxyModel( parent ),
64 _d( new Private )
65{
66 setSourceModel( model );
67 setDefaultForRole( KChart::DataValueLabelAttributesRole,
68 DataValueAttributes::defaultAttributesAsVariant() );
69}
70
71AttributesModel::~AttributesModel()
72{
73 delete _d;
74 _d = nullptr;
75}
76
77void AttributesModel::initFrom( const AttributesModel* other )
78{
79 *d = *other->d;
80}
81
82bool AttributesModel::compareHeaderDataMaps( const QMap< int, QMap< int, QVariant > >& mapA,
83 const QMap< int, QMap< int, QVariant > >& mapB ) const
84{
85 if ( mapA.count() != mapB.count() ) {
86 return false;
87 }
88 QMap< int, QMap< int, QVariant > >::const_iterator itA = mapA.constBegin();
89 QMap< int, QMap< int, QVariant > >::const_iterator itB = mapB.constBegin();
90 for ( ; itA != mapA.constEnd(); ++itA, ++itB ) {
91 if ( itA->count() != itB->count() ) {
92 return false;
93 }
94 QMap< int, QVariant >::const_iterator it2A = itA->constBegin();
95 QMap< int, QVariant >::const_iterator it2B = itB->constBegin();
96 for ( ; it2A != itA->constEnd(); ++it2A, ++it2B ) {
97 if ( it2A.key() != it2B.key() ) {
98 return false;
99 }
100 if ( !compareAttributes( it2A.key(), it2A.value(), it2B.value() ) ) {
101 return false;
102 }
103 }
104 }
105 return true;
106}
107
108bool AttributesModel::compare( const AttributesModel* other ) const
109{
110 if ( other == this ) {
111 return true;
112 }
113 if ( !other || d->paletteType != other->d->paletteType ) {
114 return false;
115 }
116
117 {
118 if ( d->dataMap.count() != other->d->dataMap.count() ) {
119 return false;
120 }
121 QMap< int, QMap< int, QMap<int, QVariant > > >::const_iterator itA = d->dataMap.constBegin();
122 QMap< int, QMap< int, QMap<int, QVariant > > >::const_iterator itB = other->d->dataMap.constBegin();
123 for ( ; itA != d->dataMap.constEnd(); ++itA, ++itB ) {
124 if ( itA->count() != itB->count() ) {
125 return false;
126 }
127 QMap< int, QMap< int, QVariant > >::const_iterator it2A = itA->constBegin();
128 QMap< int, QMap< int, QVariant > >::const_iterator it2B = itB->constBegin();
129 for ( ; it2A != itA->constEnd(); ++it2A, ++it2B ) {
130 if ( it2A->count() != it2B->count() ) {
131 return false;
132 }
133 QMap< int, QVariant >::const_iterator it3A = it2A->constBegin();
134 QMap< int, QVariant >::const_iterator it3B = it2B->constBegin();
135 for ( ; it3A != it2A->constEnd(); ++it3A, ++it3B ) {
136 if ( it3A.key() != it3B.key() ) {
137 return false;
138 }
139 if ( !compareAttributes( it3A.key(), it3A.value(), it3B.value() ) ) {
140 return false;
141 }
142 }
143 }
144 }
145 }
146
147 if ( !compareHeaderDataMaps( d->horizontalHeaderDataMap, other->d->horizontalHeaderDataMap ) ||
148 !compareHeaderDataMaps( d->verticalHeaderDataMap, other->d->verticalHeaderDataMap ) ) {
149 return false;
150 }
151
152 {
153 if ( d->modelDataMap.count() != other->d->modelDataMap.count() ) {
154 return false;
155 }
156 QMap< int, QVariant >::const_iterator itA = d->modelDataMap.constBegin();
157 QMap< int, QVariant >::const_iterator itB = other->d->modelDataMap.constBegin();
158 for ( ; itA != d->modelDataMap.constEnd(); ++itA, ++itB ) {
159 if ( itA.key() != itB.key() ) {
160 return false;
161 }
162 if ( !compareAttributes( itA.key(), itA.value(), itB.value() ) ) {
163 return false;
164 }
165 }
166 }
167 return true;
168}
169
170bool AttributesModel::compareAttributes(
171 int role, const QVariant& a, const QVariant& b ) const
172{
173 if ( isKnownAttributesRole( role ) ) {
174 switch ( role ) {
175 case DataValueLabelAttributesRole:
176 return (a.value<DataValueAttributes>() ==
177 b.value<DataValueAttributes>());
178 case DatasetBrushRole:
179 return (a.value<QBrush>() ==
180 b.value<QBrush>());
181 case DatasetPenRole:
182 return (a.value<QPen>() ==
183 b.value<QPen>());
184 case ThreeDAttributesRole:
185 // As of yet there is no ThreeDAttributes class,
186 // and the AbstractThreeDAttributes class is pure virtual,
187 // so we ignore this role for now.
188 // (khz, 04.04.2007)
189 /*
190 return (qVariantValue<ThreeDAttributes>( a ) ==
191 qVariantValue<ThreeDAttributes>( b ));
192 */
193 break;
194 case LineAttributesRole:
195 return (a.value<LineAttributes>() ==
196 b.value<LineAttributes>());
197 case ThreeDLineAttributesRole:
198 return (a.value<ThreeDLineAttributes>() ==
199 b.value<ThreeDLineAttributes>());
200 case BarAttributesRole:
201 return (a.value<BarAttributes>() ==
202 b.value<BarAttributes>());
203 case StockBarAttributesRole:
204 return (a.value<StockBarAttributes>() ==
205 b.value<StockBarAttributes>());
206 case ThreeDBarAttributesRole:
207 return (a.value<ThreeDBarAttributes>() ==
208 b.value<ThreeDBarAttributes>());
209 case PieAttributesRole:
210 return (a.value<PieAttributes>() ==
211 b.value<PieAttributes>());
212 case ThreeDPieAttributesRole:
213 return (a.value<ThreeDPieAttributes>() ==
214 b.value<ThreeDPieAttributes>());
215 case ValueTrackerAttributesRole:
216 return (a.value<ValueTrackerAttributes>() ==
217 b.value<ValueTrackerAttributes>());
218 case DataHiddenRole:
219 return (a.value<bool>() ==
220 b.value<bool>());
221 default:
222 Q_ASSERT( false ); // all of our own roles need to be handled
223 break;
224 }
225 } else {
226 return (a == b);
227 }
228 return true;
229}
230
231
232QVariant AttributesModel::headerData( int section, Qt::Orientation orientation,
233 int role/* = Qt::DisplayRole */ ) const
234{
235 if ( sourceModel() ) {
236 const QVariant sourceData = sourceModel()->headerData( section, orientation, role );
237 if ( sourceData.isValid() ) {
238 return sourceData;
239 }
240 }
241
242 // the source model didn't have data set, let's use our stored values
243 const QMap< int, QMap< int, QVariant> >& map = orientation == Qt::Horizontal ?
244 d->horizontalHeaderDataMap : d->verticalHeaderDataMap;
245 QMap< int, QMap< int, QVariant > >::const_iterator mapIt = map.find( section );
246 if ( mapIt != map.constEnd() ) {
247 const QMap< int, QVariant >& dataMap = mapIt.value();
248 QMap< int, QVariant >::const_iterator dataMapIt = dataMap.find( role );
249 if ( dataMapIt != dataMap.constEnd() ) {
250 return dataMapIt.value();
251 }
252 }
253
254 return defaultHeaderData( section, orientation, role );
255}
256
257
258QVariant AttributesModel::defaultHeaderData( int section, Qt::Orientation orientation, int role ) const
259{
260 // Default values if nothing else matches
261
262 const int dataset = section / d->dataDimension;
263
264 switch ( role ) {
265 case Qt::DisplayRole:
266 //TODO for KChart 3.0: return QString::number( dataset + 1 );
267 return QVariant( (orientation == Qt::Vertical ? QStringLiteral("Series ") : QStringLiteral("Item ")) + QString::number( dataset )) ;
268 case KChart::DatasetBrushRole:
269 return d->palette.getBrush( dataset );
270 case KChart::DatasetPenRole:
271 // if no per model override was set, use the (possibly default) color set for the brush
272 if ( !modelData( role ).isValid() ) {
273 QBrush brush = headerData( section, orientation, DatasetBrushRole ).value< QBrush >();
274 return QPen( brush.color() );
275 }
276 default:
277 break;
278 }
279
280 return QVariant();
281}
282
283
284QVariant AttributesModel::data( int role ) const
285{
286 if ( isKnownAttributesRole( role ) ) {
287 // check if there is something set at global level
288 QVariant v = modelData( role );
289
290 // else return the default setting, if any
291 if ( !v.isValid() )
292 v = defaultsForRole( role );
293 return v;
294 }
295 return QVariant();
296}
297
298
299QVariant AttributesModel::data( int column, int role ) const
300{
301 if ( isKnownAttributesRole( role ) ) {
302 // check if there is something set for the column (dataset)
303 QVariant v;
304 v = headerData( column, Qt::Horizontal, role );
305
306 // check if there is something set at global level
307 if ( !v.isValid() )
308 v = data( role ); // includes automatic fallback to default
309 return v;
310 }
311 return QVariant();
312}
313
314
315QVariant AttributesModel::data( const QModelIndex& index, int role ) const
316{
317 if ( index.isValid() ) {
318 Q_ASSERT( index.model() == this );
319 }
320 if ( !sourceModel() ) {
321 return QVariant();
322 }
323
324 if ( index.isValid() ) {
325 const QVariant sourceData = sourceModel()->data( mapToSource( index ), role );
326 if ( sourceData.isValid() ) {
327 return sourceData;
328 }
329 }
330
331 // check if we are storing a value for this role at this cell index
332 if ( d->dataMap.contains( index.column() ) ) {
333 const QMap< int, QMap< int, QVariant > >& colDataMap = d->dataMap[ index.column() ];
334 if ( colDataMap.contains( index.row() ) ) {
335 const QMap< int, QVariant >& dataMap = colDataMap[ index.row() ];
336 if ( dataMap.contains( role ) ) {
337 const QVariant v = dataMap[ role ];
338 if ( v.isValid() ) {
339 return v;
340 }
341 }
342 }
343 }
344 // check if there is something set for the column (dataset), or at global level
345 if ( index.isValid() ) {
346 return data( index.column(), role ); // includes automatic fallback to default
347 }
348
349 return QVariant();
350}
351
352
353bool AttributesModel::isKnownAttributesRole( int role ) const
354{
355 switch ( role ) {
356 // fallthrough intended
357 case DataValueLabelAttributesRole:
358 case DatasetBrushRole:
359 case DatasetPenRole:
360 case ThreeDAttributesRole:
361 case LineAttributesRole:
362 case ThreeDLineAttributesRole:
363 case BarAttributesRole:
364 case StockBarAttributesRole:
365 case ThreeDBarAttributesRole:
366 case PieAttributesRole:
367 case ThreeDPieAttributesRole:
368 case ValueTrackerAttributesRole:
369 case DataHiddenRole:
370 return true;
371 default:
372 return false;
373 }
374}
375
376QVariant AttributesModel::defaultsForRole( int role ) const
377{
378 // returns default-constructed QVariant if not found
379 return d->defaultsMap.value( role );
380}
381
382bool AttributesModel::setData ( const QModelIndex & index, const QVariant & value, int role )
383{
384 if ( !isKnownAttributesRole( role ) ) {
385 return sourceModel()->setData( mapToSource(index), value, role );
386 } else {
387 QMap< int, QMap< int, QVariant> > &colDataMap = d->dataMap[ index.column() ];
388 QMap< int, QVariant > &dataMap = colDataMap[ index.row() ];
389 dataMap.insert( role, value );
390 Q_EMIT attributesChanged( index, index );
391 return true;
392 }
393}
394
395bool AttributesModel::resetData ( const QModelIndex & index, int role )
396{
397 return setData( index, QVariant(), role );
398}
399
400bool AttributesModel::setHeaderData ( int section, Qt::Orientation orientation,
401 const QVariant & value, int role )
402{
403 if ( sourceModel() && headerData( section, orientation, role ) == value ) {
404 return true;
405 }
406
407 if ( !isKnownAttributesRole( role ) ) {
408 return sourceModel()->setHeaderData( section, orientation, value, role );
409 } else {
410 QMap< int, QMap<int, QVariant > > &sectionDataMap
411 = orientation == Qt::Horizontal ? d->horizontalHeaderDataMap : d->verticalHeaderDataMap;
412
413 QMap< int, QVariant > &dataMap = sectionDataMap[ section ];
414 dataMap.insert( role, value );
415 if ( sourceModel() ) {
416 int numRows = rowCount( QModelIndex() );
417 int numCols = columnCount( QModelIndex() );
418 if ( orientation == Qt::Horizontal && numRows > 0 )
419 Q_EMIT attributesChanged( index( 0, section, QModelIndex() ),
420 index( numRows - 1, section, QModelIndex() ) );
421 else if ( orientation == Qt::Vertical && numCols > 0 )
422 Q_EMIT attributesChanged( index( section, 0, QModelIndex() ),
423 index( section, numCols - 1, QModelIndex() ) );
424 Q_EMIT headerDataChanged( orientation, section, section );
425
426 // FIXME: This only makes sense for orientation == Qt::Horizontal,
427 // but what if orientation == Qt::Vertical?
428 if ( section != -1 && numRows > 0 )
429 Q_EMIT dataChanged( index( 0, section, QModelIndex() ),
430 index( numRows - 1, section, QModelIndex() ) );
431 }
432 return true;
433 }
434}
435
436bool AttributesModel::resetHeaderData ( int section, Qt::Orientation orientation, int role )
437{
438 return setHeaderData ( section, orientation, QVariant(), role );
439}
440
441void AttributesModel::setPaletteType( AttributesModel::PaletteType type )
442{
443 if ( d->paletteType == type ) {
444 return;
445 }
446 d->paletteType = type;
447 switch ( type ) {
448 case PaletteTypeDefault:
449 d->palette = Palette::defaultPalette();
450 break;
451 case PaletteTypeSubdued:
452 d->palette = Palette::subduedPalette();
453 break;
454 case PaletteTypeRainbow:
455 d->palette = Palette::rainbowPalette();
456 break;
457 default:
458 qWarning( "Unknown palette type!" );
459 }
460}
461
462AttributesModel::PaletteType AttributesModel::paletteType() const
463{
464 return d->paletteType;
465}
466
467bool KChart::AttributesModel::setModelData( const QVariant value, int role )
468{
469 d->modelDataMap.insert( role, value );
470 int numRows = rowCount( QModelIndex() );
471 int numCols = columnCount( QModelIndex() );
472 if ( sourceModel() && numRows > 0 && numCols > 0 ) {
473 Q_EMIT attributesChanged( index( 0, 0, QModelIndex() ),
474 index( numRows - 1, numCols - 1, QModelIndex() ) );
475 beginResetModel();
476 endResetModel();
477 }
478 return true;
479}
480
481QVariant KChart::AttributesModel::modelData( int role ) const
482{
483 return d->modelDataMap.value( role, QVariant() );
484}
485
486int AttributesModel::rowCount( const QModelIndex& index ) const
487{
488 if ( sourceModel() ) {
489 return sourceModel()->rowCount( mapToSource(index) );
490 } else {
491 return 0;
492 }
493}
494
495int AttributesModel::columnCount( const QModelIndex& index ) const
496{
497 if ( sourceModel() ) {
498 return sourceModel()->columnCount( mapToSource(index) );
499 } else {
500 return 0;
501 }
502}
503
504void AttributesModel::setSourceModel( QAbstractItemModel* sourceModel )
505{
506 if ( this->sourceModel() != nullptr )
507 {
508 disconnect( this->sourceModel(), SIGNAL(dataChanged(QModelIndex,QModelIndex)),
509 this, SLOT(slotDataChanged(QModelIndex,QModelIndex)));
510 disconnect( this->sourceModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
511 this, SLOT(slotRowsInserted(QModelIndex,int,int)) );
512 disconnect( this->sourceModel(), SIGNAL(rowsRemoved(QModelIndex,int,int)),
513 this, SLOT(slotRowsRemoved(QModelIndex,int,int)) );
514 disconnect( this->sourceModel(), SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),
515 this, SLOT(slotRowsAboutToBeInserted(QModelIndex,int,int)) );
516 disconnect( this->sourceModel(), SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
517 this, SLOT(slotRowsAboutToBeRemoved(QModelIndex,int,int)) );
518 disconnect( this->sourceModel(), SIGNAL(columnsInserted(QModelIndex,int,int)),
519 this, SLOT(slotColumnsInserted(QModelIndex,int,int)) );
520 disconnect( this->sourceModel(), SIGNAL(columnsRemoved(QModelIndex,int,int)),
521 this, SLOT(slotColumnsRemoved(QModelIndex,int,int)) );
522 disconnect( this->sourceModel(), SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)),
523 this, SLOT(slotColumnsAboutToBeInserted(QModelIndex,int,int)) );
524 disconnect( this->sourceModel(), SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)),
525 this, SLOT(slotColumnsAboutToBeRemoved(QModelIndex,int,int)) );
526 disconnect( this->sourceModel(), SIGNAL(modelReset()),
527 this, SIGNAL(modelReset()) );
528 disconnect( this->sourceModel(), SIGNAL(layoutChanged()),
529 this, SIGNAL(layoutChanged()) );
530 }
531 QAbstractProxyModel::setSourceModel( sourceModel );
532 if ( this->sourceModel() != nullptr )
533 {
534 connect( this->sourceModel(), SIGNAL(dataChanged(QModelIndex,QModelIndex)),
535 this, SLOT(slotDataChanged(QModelIndex,QModelIndex)));
536 connect( this->sourceModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
537 this, SLOT(slotRowsInserted(QModelIndex,int,int)) );
538 connect( this->sourceModel(), SIGNAL(rowsRemoved(QModelIndex,int,int)),
539 this, SLOT(slotRowsRemoved(QModelIndex,int,int)) );
540 connect( this->sourceModel(), SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),
541 this, SLOT(slotRowsAboutToBeInserted(QModelIndex,int,int)) );
542 connect( this->sourceModel(), SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
543 this, SLOT(slotRowsAboutToBeRemoved(QModelIndex,int,int)) );
544 connect( this->sourceModel(), SIGNAL(columnsInserted(QModelIndex,int,int)),
545 this, SLOT(slotColumnsInserted(QModelIndex,int,int)) );
546 connect( this->sourceModel(), SIGNAL(columnsRemoved(QModelIndex,int,int)),
547 this, SLOT(slotColumnsRemoved(QModelIndex,int,int)) );
548 connect( this->sourceModel(), SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)),
549 this, SLOT(slotColumnsAboutToBeInserted(QModelIndex,int,int)) );
550 connect( this->sourceModel(), SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)),
551 this, SLOT(slotColumnsAboutToBeRemoved(QModelIndex,int,int)) );
552 connect( this->sourceModel(), SIGNAL(modelReset()),
553 this, SIGNAL(modelReset()) );
554 connect( this->sourceModel(), SIGNAL(layoutChanged()),
555 this, SIGNAL(layoutChanged()) );
556 }
557}
558
559void AttributesModel::slotRowsAboutToBeInserted( const QModelIndex& parent, int start, int end )
560{
561 beginInsertRows( mapFromSource( parent ), start, end );
562}
563
564void AttributesModel::slotColumnsAboutToBeInserted( const QModelIndex& parent, int start, int end )
565{
566 beginInsertColumns( mapFromSource( parent ), start, end );
567}
568
569void AttributesModel::slotRowsInserted( const QModelIndex& parent, int start, int end )
570{
571 Q_UNUSED( parent );
572 Q_UNUSED( start );
573 Q_UNUSED( end );
574 endInsertRows();
575}
576
577void AttributesModel::slotColumnsInserted( const QModelIndex& parent, int start, int end )
578{
579 Q_UNUSED( parent );
580 Q_UNUSED( start );
581 Q_UNUSED( end );
582 endInsertColumns();
583}
584
585void AttributesModel::slotRowsAboutToBeRemoved( const QModelIndex& parent, int start, int end )
586{
587 beginRemoveRows( mapFromSource( parent ), start, end );
588}
589
590void AttributesModel::slotColumnsAboutToBeRemoved( const QModelIndex& parent, int start, int end )
591{
592 beginRemoveColumns( mapFromSource( parent ), start, end );
593}
594
595void AttributesModel::slotRowsRemoved( const QModelIndex& parent, int start, int end )
596{
597 Q_UNUSED( parent );
598 Q_UNUSED( start );
599 Q_UNUSED( end );
600 endRemoveRows();
601}
602
603void AttributesModel::removeEntriesFromDataMap( int start, int end )
604{
605 QMap< int, QMap< int, QMap< int, QVariant > > >::iterator it = d->dataMap.find( end );
606 // check that the element was found
607 if ( it != d->dataMap.end() ) {
608 ++it;
609 QVector< int > indexesToDel;
610 for ( int i = start; i < end && it != d->dataMap.end(); ++i ) {
611 d->dataMap[ i ] = it.value();
612 indexesToDel << it.key();
613 ++it;
614 }
615 if ( indexesToDel.isEmpty() ) {
616 for ( int i = start; i < end; ++i ) {
617 indexesToDel << i;
618 }
619 }
620 for ( int i = 0; i < indexesToDel.count(); ++i ) {
621 d->dataMap.remove( indexesToDel[ i ] );
622 }
623 }
624}
625
626void AttributesModel::removeEntriesFromDirectionDataMaps( Qt::Orientation dir, int start, int end )
627{
628 QMap<int, QMap<int, QVariant> > &sectionDataMap
629 = dir == Qt::Horizontal ? d->horizontalHeaderDataMap : d->verticalHeaderDataMap;
630 QMap<int, QMap<int, QVariant> >::iterator it = sectionDataMap.upperBound( end );
631 // check that the element was found
632 if ( it != sectionDataMap.end() )
633 {
634 QVector< int > indexesToDel;
635 for ( int i = start; i < end && it != sectionDataMap.end(); ++i )
636 {
637 sectionDataMap[ i ] = it.value();
638 indexesToDel << it.key();
639 ++it;
640 }
641 if ( indexesToDel.isEmpty() )
642 {
643 for ( int i = start; i < end; ++i )
644 {
645 indexesToDel << i;
646 }
647 }
648 for ( int i = 0; i < indexesToDel.count(); ++i )
649 {
650 sectionDataMap.remove( indexesToDel[ i ] );
651 }
652 }
653}
654
655void AttributesModel::slotColumnsRemoved( const QModelIndex& parent, int start, int end )
656{
657 Q_UNUSED( parent );
658 Q_UNUSED( start );
659 Q_UNUSED( end );
660 Q_ASSERT_X( sourceModel(), "removeColumn", "This should only be triggered if a valid source Model exists!" );
661 for ( int i = start; i <= end; ++i ) {
662 d->verticalHeaderDataMap.remove( start );
663 }
664 removeEntriesFromDataMap( start, end );
665 removeEntriesFromDirectionDataMaps( Qt::Horizontal, start, end );
666 removeEntriesFromDirectionDataMaps( Qt::Vertical, start, end );
667
668 endRemoveColumns();
669}
670
671void AttributesModel::slotDataChanged( const QModelIndex& topLeft, const QModelIndex& bottomRight )
672{
673 Q_EMIT dataChanged( mapFromSource( topLeft ), mapFromSource( bottomRight ) );
674}
675
676void AttributesModel::setDefaultForRole( int role, const QVariant& value )
677{
678 if ( value.isValid() ) {
679 d->defaultsMap.insert( role, value );
680 } else {
681 // erase the possibly existing value to not let the map grow:
682 QMap<int, QVariant>::iterator it = d->defaultsMap.find( role );
683 if ( it != d->defaultsMap.end() ) {
684 d->defaultsMap.erase( it );
685 }
686 }
687
688 Q_ASSERT( defaultsForRole( role ).value<KChart::DataValueAttributes>() == value.value<KChart::DataValueAttributes>() );
689}
690
691void AttributesModel::setDatasetDimension( int dimension )
692{
693 //### need to "reformat" or throw away internal data?
694 d->dataDimension = dimension;
695}
696
697int AttributesModel::datasetDimension() const
698{
699 return d->dataDimension;
700}
KChartDataValueAttributes.h
Declaring the class KChart::DataValueAttributes.
KChart::AbstractProxyModel
Base class for all proxy models used inside KChart.
Definition KChartAbstractProxyModel.h:23
KChart::AbstractProxyModel::index
QModelIndex index(int row, int col, const QModelIndex &index) const override
Definition KChartAbstractProxyModel.cpp:71
KChart::AbstractProxyModel::mapToSource
QModelIndex mapToSource(const QModelIndex &proxyIndex) const override
Definition KChartAbstractProxyModel.cpp:52
KChart::AbstractProxyModel::mapFromSource
QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override
Definition KChartAbstractProxyModel.cpp:39
KChart::AttributesModel
A proxy model used for decorating data with attributes.
Definition KChartAttributesModel.h:33
KChart::AttributesModel::defaultHeaderData
virtual QVariant defaultHeaderData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const
Returns default values for the header data.
Definition KChartAttributesModel.cpp:258
KChart::AttributesModel::data
QVariant data(int role) const
Returns the data that were specified at global level, or the default data, or QVariant().
Definition KChartAttributesModel.cpp:284
KChart::AttributesModel::rowCount
int rowCount(const QModelIndex &) const override
\reimpl
Definition KChartAttributesModel.cpp:486
KChart::AttributesModel::setDatasetDimension
void setDatasetDimension(int dimension)
Set the dimension of the dataset in the source model.
Definition KChartAttributesModel.cpp:691
KChart::AttributesModel::resetHeaderData
bool resetHeaderData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole)
Remove any explicit attributes settings that might have been specified before.
Definition KChartAttributesModel.cpp:436
KChart::AttributesModel::setHeaderData
bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role=Qt::DisplayRole) override
\reimpl
Definition KChartAttributesModel.cpp:400
KChart::AttributesModel::setPaletteType
void setPaletteType(PaletteType type)
Sets the palettetype used by this attributesmodel.
Definition KChartAttributesModel.cpp:441
KChart::AttributesModel::setSourceModel
void setSourceModel(QAbstractItemModel *sourceModel) override
\reimpl
Definition KChartAttributesModel.cpp:504
KChart::AttributesModel::resetData
bool resetData(const QModelIndex &index, int role=Qt::DisplayRole)
Remove any explicit attributes settings that might have been specified before.
Definition KChartAttributesModel.cpp:395
KChart::AttributesModel::setDefaultForRole
void setDefaultForRole(int role, const QVariant &value)
Define the default value for a certain role.
Definition KChartAttributesModel.cpp:676
KChart::AttributesModel::initFrom
void initFrom(const AttributesModel *other)
Copies the internal data (maps and palette) of another AttributesModel* into this one.
Definition KChartAttributesModel.cpp:77
KChart::AttributesModel::compare
bool compare(const AttributesModel *other) const
Returns true if both, all of the attributes set, and the palette set is equal in both of the Attribut...
Definition KChartAttributesModel.cpp:108
KChart::AttributesModel::setData
bool setData(const QModelIndex &index, const QVariant &value, int role=Qt::DisplayRole) override
\reimpl
Definition KChartAttributesModel.cpp:382
KChart::AttributesModel::isKnownAttributesRole
bool isKnownAttributesRole(int role) const
Returns whether the given role corresponds to one of the known internally used ones.
Definition KChartAttributesModel.cpp:353
KChart::AttributesModel::headerData
QVariant headerData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override
\reimpl
Definition KChartAttributesModel.cpp:232
KChart::AttributesModel::columnCount
int columnCount(const QModelIndex &) const override
\reimpl
Definition KChartAttributesModel.cpp:495
KChart::BarAttributes
Set of attributes for changing the appearance of bar charts.
Definition KChartBarAttributes.h:21
KChart::DataValueAttributes
Diagram attributes dealing with data value labels.
Definition KChartDataValueAttributes.h:42
KChart::LineAttributes
Set of attributes for changing the appearance of line charts.
Definition KChartLineAttributes.h:21
KChart::Palette::defaultPalette
static const Palette & defaultPalette()
Provide access to the three builtin palettes, one with standard bright colors, one with more subdued ...
Definition KChartPalette.cpp:94
KChart::PieAttributes
A set of attributes controlling the appearance of pie charts.
Definition KChartPieAttributes.h:22
KChart::StockBarAttributes
Attributes to customize the appearance of a column in a stock chart.
Definition KChartStockBarAttributes.h:21
KChart::ThreeDBarAttributes
A set of 3D bar attributes.
Definition KChartThreeDBarAttributes.h:22
KChart::ThreeDPieAttributes
A set of 3D pie attributes.
Definition KChartThreeDPieAttributes.h:22
KChart::ValueTrackerAttributes
Cell-specific attributes regarding value tracking.
Definition KChartValueTrackerAttributes.h:29
start
Q_SCRIPTABLE Q_NOREPLY void start()
KRecentDirs::dir
KIOCORE_EXPORT QString dir(const QString &fileClass)
KStandardShortcut::end
const QList< QKeySequence > & end()
QAbstractItemModel::beginInsertColumns
void beginInsertColumns(const QModelIndex &parent, int first, int last)
QAbstractItemModel::beginInsertRows
void beginInsertRows(const QModelIndex &parent, int first, int last)
QAbstractItemModel::beginRemoveColumns
void beginRemoveColumns(const QModelIndex &parent, int first, int last)
QAbstractItemModel::beginRemoveRows
void beginRemoveRows(const QModelIndex &parent, int first, int last)
QAbstractItemModel::columnsAboutToBeInserted
void columnsAboutToBeInserted(const QModelIndex &parent, int first, int last)
QAbstractItemModel::columnsAboutToBeRemoved
void columnsAboutToBeRemoved(const QModelIndex &parent, int first, int last)
QAbstractItemModel::columnsInserted
void columnsInserted(const QModelIndex &parent, int first, int last)
QAbstractItemModel::columnsRemoved
void columnsRemoved(const QModelIndex &parent, int first, int last)
QAbstractItemModel::dataChanged
void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QList< int > &roles)
QAbstractItemModel::headerDataChanged
void headerDataChanged(Qt::Orientation orientation, int first, int last)
QAbstractItemModel::layoutChanged
void layoutChanged(const QList< QPersistentModelIndex > &parents, QAbstractItemModel::LayoutChangeHint hint)
QAbstractItemModel::rowsAboutToBeInserted
void rowsAboutToBeInserted(const QModelIndex &parent, int start, int end)
QAbstractItemModel::rowsAboutToBeRemoved
void rowsAboutToBeRemoved(const QModelIndex &parent, int first, int last)
QAbstractItemModel::rowsInserted
void rowsInserted(const QModelIndex &parent, int first, int last)
QAbstractItemModel::rowsRemoved
void rowsRemoved(const QModelIndex &parent, int first, int last)
QAbstractProxyModel::setSourceModel
virtual void setSourceModel(QAbstractItemModel *sourceModel)
QBrush::color
const QColor & color() const const
QMap::constEnd
const_iterator constEnd() const const
QMap::contains
bool contains(const Key &key) const const
QMap::find
iterator find(const Key &key)
QMap::insert
iterator insert(const Key &key, const T &value)
QModelIndex::column
int column() const const
QModelIndex::isValid
bool isValid() const const
QModelIndex::model
const QAbstractItemModel * model() const const
QModelIndex::row
int row() const const
QObject::Q_EMIT
Q_EMITQ_EMIT
QObject::connect
QMetaObject::Connection connect(const QObject *sender, PointerToMemberFunction signal, Functor functor)
QObject::disconnect
bool disconnect(const QMetaObject::Connection &connection)
QObject::parent
QObject * parent() const const
QObject::qobject_cast
T qobject_cast(QObject *object)
QString::number
QString number(double n, char format, int precision)
Qt::DisplayRole
DisplayRole
Qt::Orientation
Orientation
QVariant::isValid
bool isValid() const const
QVariant::value
T value() const const
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