annotate widgets/LayerTree.cpp @ 1479:9bf8aa2916e9 by-id

Further ModelId updates
author Chris Cannam
date Wed, 03 Jul 2019 14:20:42 +0100
parents 0769eaacc6bf
children 232262e38051
rev   line source
Chris@43 1
Chris@58 2 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@43 3
Chris@43 4 /*
Chris@59 5 Sonic Visualiser
Chris@59 6 An audio file viewer and annotation editor.
Chris@59 7 Centre for Digital Music, Queen Mary, University of London.
Chris@59 8 This file copyright 2006 Chris Cannam.
Chris@43 9
Chris@59 10 This program is free software; you can redistribute it and/or
Chris@59 11 modify it under the terms of the GNU General Public License as
Chris@59 12 published by the Free Software Foundation; either version 2 of the
Chris@59 13 License, or (at your option) any later version. See the file
Chris@59 14 COPYING included with this distribution for more information.
Chris@43 15 */
Chris@43 16
Chris@43 17 #include "LayerTree.h"
Chris@128 18 #include "view/PaneStack.h"
Chris@43 19
Chris@298 20 #include "base/PlayParameters.h"
Chris@128 21 #include "view/Pane.h"
Chris@128 22 #include "layer/Layer.h"
Chris@128 23 #include "data/model/Model.h"
Chris@336 24 #include "data/model/WaveFileModel.h"
Chris@43 25
Chris@280 26 #include <QIcon>
Chris@43 27 #include <iostream>
Chris@43 28
Chris@43 29
Chris@392 30 ModelMetadataModel::ModelMetadataModel(PaneStack *stack, bool waveModelsOnly,
Chris@336 31 QObject *parent) :
Chris@43 32 QAbstractItemModel(parent),
Chris@336 33 m_stack(stack),
Chris@336 34 m_waveModelsOnly(waveModelsOnly)
Chris@43 35 {
Chris@336 36 if (m_waveModelsOnly) {
Chris@336 37 m_modelTypeColumn = -1;
Chris@336 38 m_modelNameColumn = 0;
Chris@336 39 m_modelMakerColumn = 1;
Chris@336 40 m_modelSourceColumn = 2;
Chris@336 41 m_columnCount = 3;
Chris@336 42 } else {
Chris@336 43 m_modelTypeColumn = 0;
Chris@336 44 m_modelNameColumn = 1;
Chris@336 45 m_modelMakerColumn = 2;
Chris@336 46 m_modelSourceColumn = 3;
Chris@336 47 m_columnCount = 4;
Chris@336 48 }
Chris@336 49
Chris@336 50 connect(stack, SIGNAL(paneAdded()), this, SLOT(paneAdded()));
Chris@336 51 connect(stack, SIGNAL(paneDeleted()), this, SLOT(paneDeleted()));
Chris@298 52
Chris@298 53 for (int i = 0; i < stack->getPaneCount(); ++i) {
Chris@298 54 Pane *pane = stack->getPane(i);
Chris@298 55 if (!pane) continue;
Chris@298 56 connect(pane, SIGNAL(propertyContainerAdded(PropertyContainer *)),
Chris@298 57 this, SLOT(propertyContainerAdded(PropertyContainer *)));
Chris@298 58 connect(pane, SIGNAL(propertyContainerRemoved(PropertyContainer *)),
Chris@298 59 this, SLOT(propertyContainerRemoved(PropertyContainer *)));
Chris@298 60 connect(pane, SIGNAL(propertyContainerSelected(PropertyContainer *)),
Chris@298 61 this, SLOT(propertyContainerSelected(PropertyContainer *)));
Chris@298 62 connect(pane, SIGNAL(propertyContainerPropertyChanged(PropertyContainer *)),
Chris@298 63 this, SLOT(propertyContainerPropertyChanged(PropertyContainer *)));
Chris@298 64 connect(pane, SIGNAL(propertyContainerNameChanged(PropertyContainer *)),
Chris@298 65 this, SLOT(propertyContainerPropertyChanged(PropertyContainer *)));
Chris@336 66 connect(pane, SIGNAL(layerModelChanged()),
Chris@336 67 this, SLOT(paneLayerModelChanged()));
Chris@336 68 }
Chris@336 69
Chris@336 70 rebuildModelSet();
Chris@336 71 }
Chris@336 72
Chris@392 73 ModelMetadataModel::~ModelMetadataModel()
Chris@336 74 {
Chris@336 75 }
Chris@336 76
Chris@336 77 void
Chris@392 78 ModelMetadataModel::rebuildModelSet()
Chris@336 79 {
Chris@1477 80 std::set<ModelId> unfound = m_models;
Chris@336 81
Chris@336 82 for (int i = 0; i < m_stack->getPaneCount(); ++i) {
Chris@336 83
Chris@336 84 Pane *pane = m_stack->getPane(i);
Chris@336 85 if (!pane) continue;
Chris@336 86
Chris@336 87 for (int j = 0; j < pane->getLayerCount(); ++j) {
Chris@336 88
Chris@336 89 Layer *layer = pane->getLayer(j);
Chris@336 90 if (!layer) continue;
Chris@336 91
Chris@1477 92 ModelId modelId = layer->getModel();
Chris@1477 93 if (modelId.isNone()) continue;
Chris@336 94
Chris@336 95 if (m_waveModelsOnly) {
Chris@1477 96 if (!ModelById::getAs<WaveFileModel>(modelId)) continue;
Chris@336 97 }
Chris@336 98
Chris@1477 99 if (m_models.find(modelId) == m_models.end()) {
Chris@1477 100 m_models.insert(modelId);
Chris@336 101 } else {
Chris@1477 102 unfound.erase(modelId);
Chris@336 103 }
Chris@336 104 }
Chris@336 105 }
Chris@336 106
Chris@1477 107 for (ModelId m: unfound) {
Chris@1477 108 m_models.erase(m);
Chris@336 109 }
Chris@336 110
Chris@587 111 SVDEBUG << "ModelMetadataModel::rebuildModelSet: " << m_models.size() << " models" << endl;
Chris@336 112 }
Chris@336 113
Chris@336 114 void
Chris@392 115 ModelMetadataModel::paneAdded()
Chris@336 116 {
Chris@336 117 rebuildModelSet();
Chris@336 118 emit layoutChanged();
Chris@336 119 }
Chris@336 120
Chris@336 121 void
Chris@392 122 ModelMetadataModel::paneDeleted()
Chris@336 123 {
Chris@336 124 rebuildModelSet();
Chris@336 125 emit layoutChanged();
Chris@336 126 }
Chris@336 127
Chris@336 128 void
Chris@392 129 ModelMetadataModel::paneLayerModelChanged()
Chris@336 130 {
Chris@336 131 rebuildModelSet();
Chris@336 132 emit layoutChanged();
Chris@336 133 }
Chris@336 134
Chris@336 135 void
Chris@392 136 ModelMetadataModel::propertyContainerAdded(PropertyContainer *)
Chris@336 137 {
Chris@336 138 rebuildModelSet();
Chris@336 139 emit layoutChanged();
Chris@336 140 }
Chris@336 141
Chris@336 142 void
Chris@392 143 ModelMetadataModel::propertyContainerRemoved(PropertyContainer *)
Chris@336 144 {
Chris@336 145 rebuildModelSet();
Chris@336 146 emit layoutChanged();
Chris@336 147 }
Chris@336 148
Chris@336 149 void
Chris@392 150 ModelMetadataModel::propertyContainerSelected(PropertyContainer *)
Chris@336 151 {
Chris@336 152 }
Chris@336 153
Chris@336 154 void
Chris@807 155 ModelMetadataModel::propertyContainerPropertyChanged(PropertyContainer *)
Chris@336 156 {
Chris@336 157 }
Chris@336 158
Chris@336 159 void
Chris@807 160 ModelMetadataModel::playParametersAudibilityChanged(bool )
Chris@336 161 {
Chris@336 162 }
Chris@336 163
Chris@336 164 QVariant
Chris@392 165 ModelMetadataModel::data(const QModelIndex &index, int role) const
Chris@336 166 {
Chris@336 167 if (!index.isValid()) return QVariant();
Chris@336 168
Chris@807 169 // QObject *obj = static_cast<QObject *>(index.internalPointer());
Chris@336 170 int row = index.row(), col = index.column();
Chris@336 171
Chris@336 172 //!!! not exactly the ideal use of a std::set
Chris@1477 173 std::set<ModelId>::iterator itr = m_models.begin();
Chris@336 174 for (int i = 0; i < row && itr != m_models.end(); ++i, ++itr);
Chris@336 175 if (itr == m_models.end()) return QVariant();
Chris@336 176
Chris@1477 177 auto model = ModelById::get(*itr);
Chris@1477 178 if (!model) return QVariant();
Chris@336 179
Chris@336 180 if (role != Qt::DisplayRole) {
Chris@336 181 if (m_waveModelsOnly && col == m_modelNameColumn &&
Chris@336 182 role == Qt::DecorationRole) {
Chris@336 183 // There is no meaningful icon for a model, in general --
Chris@336 184 // the icons we have represent layer types and it would be
Chris@336 185 // misleading to use them for models. However, if we're
Chris@336 186 // only showing wave models, we use the waveform icon just
Chris@336 187 // for decorative purposes.
Chris@336 188 return QVariant(QIcon(QString(":/icons/waveform.png")));
Chris@336 189 }
Chris@336 190 return QVariant();
Chris@336 191 }
Chris@336 192
Chris@336 193 if (col == m_modelTypeColumn) {
Chris@336 194 return QVariant(model->getTypeName());
Chris@336 195 } else if (col == m_modelNameColumn) {
Chris@336 196 return QVariant(model->objectName());
Chris@336 197 } else if (col == m_modelMakerColumn) {
Chris@336 198 return QVariant(model->getMaker());
Chris@336 199 } else if (col == m_modelSourceColumn) {
Chris@336 200 return QVariant(model->getLocation());
Chris@336 201 }
Chris@336 202
Chris@336 203 return QVariant();
Chris@336 204 }
Chris@336 205
Chris@336 206 bool
Chris@807 207 ModelMetadataModel::setData(const QModelIndex &, const QVariant &, int )
Chris@336 208 {
Chris@336 209 return false;
Chris@336 210 }
Chris@336 211
Chris@336 212 Qt::ItemFlags
Chris@807 213 ModelMetadataModel::flags(const QModelIndex &) const
Chris@336 214 {
Chris@336 215 Qt::ItemFlags flags = Qt::ItemIsEnabled;
Chris@336 216 return flags;
Chris@336 217 }
Chris@336 218
Chris@336 219 QVariant
Chris@392 220 ModelMetadataModel::headerData(int section,
Chris@1266 221 Qt::Orientation orientation,
Chris@1266 222 int role) const
Chris@336 223 {
Chris@336 224 if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
Chris@1266 225 if (section == m_modelTypeColumn) return QVariant(tr("Type"));
Chris@1266 226 else if (section == m_modelNameColumn) return QVariant(tr("Name"));
Chris@1266 227 else if (section == m_modelMakerColumn) return QVariant(tr("Maker"));
Chris@1266 228 else if (section == m_modelSourceColumn) return QVariant(tr("Source"));
Chris@336 229 }
Chris@336 230
Chris@336 231 return QVariant();
Chris@336 232 }
Chris@336 233
Chris@336 234 QModelIndex
Chris@392 235 ModelMetadataModel::index(int row, int column, const QModelIndex &parent) const
Chris@336 236 {
Chris@336 237 if (!parent.isValid()) {
Chris@807 238 if (row >= (int)m_models.size()) return QModelIndex();
Chris@1408 239 return createIndex(row, column, (void *)nullptr);
Chris@336 240 }
Chris@336 241
Chris@336 242 return QModelIndex();
Chris@336 243 }
Chris@336 244
Chris@336 245 QModelIndex
Chris@807 246 ModelMetadataModel::parent(const QModelIndex &) const
Chris@336 247 {
Chris@336 248 return QModelIndex();
Chris@336 249 }
Chris@336 250
Chris@336 251 int
Chris@392 252 ModelMetadataModel::rowCount(const QModelIndex &parent) const
Chris@336 253 {
Chris@908 254 if (!parent.isValid()) return int(m_models.size());
Chris@336 255 return 0;
Chris@336 256 }
Chris@336 257
Chris@336 258 int
Chris@807 259 ModelMetadataModel::columnCount(const QModelIndex &) const
Chris@336 260 {
Chris@336 261 return m_columnCount;
Chris@336 262 }
Chris@336 263
Chris@336 264
Chris@336 265
Chris@336 266 LayerTreeModel::LayerTreeModel(PaneStack *stack, QObject *parent) :
Chris@336 267 QAbstractItemModel(parent),
Chris@336 268 m_stack(stack)
Chris@336 269 {
Chris@336 270 m_layerNameColumn = 0;
Chris@336 271 m_layerVisibleColumn = 1;
Chris@336 272 m_layerPlayedColumn = 2;
Chris@336 273 m_modelNameColumn = 3;
Chris@336 274 m_columnCount = 4;
Chris@336 275
Chris@336 276 connect(stack, SIGNAL(paneAdded()), this, SLOT(paneAdded()));
Chris@336 277 connect(stack, SIGNAL(paneAboutToBeDeleted(Pane *)),
Chris@336 278 this, SLOT(paneAboutToBeDeleted(Pane *)));
Chris@336 279
Chris@336 280 for (int i = 0; i < stack->getPaneCount(); ++i) {
Chris@336 281 Pane *pane = stack->getPane(i);
Chris@336 282 if (!pane) continue;
Chris@336 283 connect(pane, SIGNAL(propertyContainerAdded(PropertyContainer *)),
Chris@336 284 this, SLOT(propertyContainerAdded(PropertyContainer *)));
Chris@336 285 connect(pane, SIGNAL(propertyContainerRemoved(PropertyContainer *)),
Chris@336 286 this, SLOT(propertyContainerRemoved(PropertyContainer *)));
Chris@336 287 connect(pane, SIGNAL(propertyContainerSelected(PropertyContainer *)),
Chris@336 288 this, SLOT(propertyContainerSelected(PropertyContainer *)));
Chris@336 289 connect(pane, SIGNAL(propertyContainerPropertyChanged(PropertyContainer *)),
Chris@336 290 this, SLOT(propertyContainerPropertyChanged(PropertyContainer *)));
Chris@336 291 connect(pane, SIGNAL(propertyContainerNameChanged(PropertyContainer *)),
Chris@336 292 this, SLOT(propertyContainerPropertyChanged(PropertyContainer *)));
Chris@336 293 connect(pane, SIGNAL(layerModelChanged()),
Chris@336 294 this, SLOT(paneLayerModelChanged()));
Chris@336 295
Chris@298 296 for (int j = 0; j < pane->getLayerCount(); ++j) {
Chris@298 297 Layer *layer = pane->getLayer(j);
Chris@298 298 if (!layer) continue;
Chris@298 299 PlayParameters *params = layer->getPlayParameters();
Chris@298 300 if (!params) continue;
Chris@298 301 connect(params, SIGNAL(playAudibleChanged(bool)),
Chris@298 302 this, SLOT(playParametersAudibilityChanged(bool)));
Chris@298 303 }
Chris@298 304 }
Chris@43 305 }
Chris@43 306
Chris@43 307 LayerTreeModel::~LayerTreeModel()
Chris@43 308 {
Chris@43 309 }
Chris@43 310
Chris@298 311 void
Chris@336 312 LayerTreeModel::paneAdded()
Chris@336 313 {
Chris@336 314 emit layoutChanged();
Chris@336 315 }
Chris@336 316
Chris@336 317 void
Chris@336 318 LayerTreeModel::paneAboutToBeDeleted(Pane *pane)
Chris@336 319 {
Chris@682 320 cerr << "paneDeleted: " << pane << endl;
Chris@336 321 m_deletedPanes.insert(pane);
Chris@336 322 emit layoutChanged();
Chris@336 323 }
Chris@336 324
Chris@336 325 void
Chris@298 326 LayerTreeModel::propertyContainerAdded(PropertyContainer *)
Chris@298 327 {
Chris@298 328 emit layoutChanged();
Chris@298 329 }
Chris@298 330
Chris@298 331 void
Chris@298 332 LayerTreeModel::propertyContainerRemoved(PropertyContainer *)
Chris@298 333 {
Chris@298 334 emit layoutChanged();
Chris@298 335 }
Chris@298 336
Chris@298 337 void
Chris@298 338 LayerTreeModel::propertyContainerSelected(PropertyContainer *)
Chris@298 339 {
Chris@298 340 emit layoutChanged();
Chris@298 341 }
Chris@298 342
Chris@298 343 void
Chris@336 344 LayerTreeModel::paneLayerModelChanged()
Chris@336 345 {
Chris@336 346 emit layoutChanged();
Chris@336 347 }
Chris@336 348
Chris@336 349 void
Chris@298 350 LayerTreeModel::propertyContainerPropertyChanged(PropertyContainer *pc)
Chris@298 351 {
Chris@298 352 for (int i = 0; i < m_stack->getPaneCount(); ++i) {
Chris@298 353 Pane *pane = m_stack->getPane(i);
Chris@298 354 if (!pane) continue;
Chris@298 355 for (int j = 0; j < pane->getLayerCount(); ++j) {
Chris@298 356 if (pane->getLayer(j) == pc) {
Chris@298 357 emit dataChanged(createIndex(pane->getLayerCount() - j - 1,
Chris@336 358 m_layerNameColumn, pane),
Chris@298 359 createIndex(pane->getLayerCount() - j - 1,
Chris@336 360 m_modelNameColumn, pane));
Chris@298 361 }
Chris@298 362 }
Chris@298 363 }
Chris@298 364 }
Chris@298 365
Chris@298 366 void
Chris@298 367 LayerTreeModel::playParametersAudibilityChanged(bool a)
Chris@298 368 {
Chris@298 369 PlayParameters *params = dynamic_cast<PlayParameters *>(sender());
Chris@298 370 if (!params) return;
Chris@298 371
Chris@587 372 SVDEBUG << "LayerTreeModel::playParametersAudibilityChanged("
Chris@585 373 << params << "," << a << ")" << endl;
Chris@298 374
Chris@298 375 for (int i = 0; i < m_stack->getPaneCount(); ++i) {
Chris@298 376 Pane *pane = m_stack->getPane(i);
Chris@298 377 if (!pane) continue;
Chris@298 378 for (int j = 0; j < pane->getLayerCount(); ++j) {
Chris@298 379 Layer *layer = pane->getLayer(j);
Chris@298 380 if (!layer) continue;
Chris@298 381 if (layer->getPlayParameters() == params) {
Chris@587 382 SVDEBUG << "LayerTreeModel::playParametersAudibilityChanged("
Chris@585 383 << params << "," << a << "): row " << pane->getLayerCount() - j - 1 << ", col " << 2 << endl;
Chris@298 384
Chris@298 385 emit dataChanged(createIndex(pane->getLayerCount() - j - 1,
Chris@336 386 m_layerPlayedColumn, pane),
Chris@298 387 createIndex(pane->getLayerCount() - j - 1,
Chris@336 388 m_layerPlayedColumn, pane));
Chris@298 389 }
Chris@298 390 }
Chris@298 391 }
Chris@298 392 }
Chris@298 393
Chris@43 394 QVariant
Chris@43 395 LayerTreeModel::data(const QModelIndex &index, int role) const
Chris@43 396 {
Chris@43 397 if (!index.isValid()) return QVariant();
Chris@56 398
Chris@43 399 QObject *obj = static_cast<QObject *>(index.internalPointer());
Chris@277 400 int row = index.row(), col = index.column();
Chris@277 401
Chris@277 402 Pane *pane = dynamic_cast<Pane *>(obj);
Chris@277 403 if (!pane) {
Chris@277 404 if (col == 0 && row < m_stack->getPaneCount()) {
Chris@277 405 switch (role) {
Chris@277 406 case Qt::DisplayRole:
Chris@277 407 return QVariant(QString("Pane %1").arg(row + 1));
Chris@277 408 case Qt::DecorationRole:
Chris@277 409 return QVariant(QIcon(QString(":/icons/pane.png")));
Chris@277 410 default: break;
Chris@277 411 }
Chris@277 412 }
Chris@43 413 }
Chris@43 414
Chris@277 415 if (pane && pane->getLayerCount() > row) {
Chris@298 416 Layer *layer = pane->getLayer(pane->getLayerCount() - row - 1);
Chris@277 417 if (layer) {
Chris@336 418 if (col == m_layerNameColumn) {
Chris@277 419 switch (role) {
Chris@277 420 case Qt::DisplayRole:
Chris@277 421 return QVariant(layer->objectName());
Chris@277 422 case Qt::DecorationRole:
Chris@277 423 return QVariant
Chris@277 424 (QIcon(QString(":/icons/%1.png")
Chris@277 425 .arg(layer->getPropertyContainerIconName())));
Chris@277 426 default: break;
Chris@277 427 }
Chris@336 428 } else if (col == m_layerVisibleColumn) {
Chris@298 429 if (role == Qt::CheckStateRole) {
Chris@298 430 return QVariant(layer->isLayerDormant(pane) ?
Chris@298 431 Qt::Unchecked : Qt::Checked);
Chris@298 432 } else if (role == Qt::TextAlignmentRole) {
Chris@298 433 return QVariant(Qt::AlignHCenter);
Chris@298 434 }
Chris@336 435 } else if (col == m_layerPlayedColumn) {
Chris@298 436 if (role == Qt::CheckStateRole) {
Chris@298 437 PlayParameters *params = layer->getPlayParameters();
Chris@298 438 if (params) return QVariant(params->isPlayMuted() ?
Chris@298 439 Qt::Unchecked : Qt::Checked);
Chris@298 440 else return QVariant();
Chris@298 441 } else if (role == Qt::TextAlignmentRole) {
Chris@298 442 return QVariant(Qt::AlignHCenter);
Chris@298 443 }
Chris@336 444 } else if (col == m_modelNameColumn) {
Chris@1477 445 auto model = ModelById::get(layer->getModel());
Chris@277 446 if (model && role == Qt::DisplayRole) {
Chris@277 447 return QVariant(model->objectName());
Chris@277 448 }
Chris@277 449 }
Chris@277 450 }
Chris@43 451 }
Chris@43 452
Chris@43 453 return QVariant();
Chris@43 454 }
Chris@43 455
Chris@298 456 bool
Chris@298 457 LayerTreeModel::setData(const QModelIndex &index, const QVariant &value, int role)
Chris@298 458 {
Chris@298 459 if (!index.isValid()) return false;
Chris@298 460
Chris@298 461 QObject *obj = static_cast<QObject *>(index.internalPointer());
Chris@298 462 int row = index.row(), col = index.column();
Chris@298 463
Chris@298 464 Pane *pane = dynamic_cast<Pane *>(obj);
Chris@298 465 if (!pane || pane->getLayerCount() <= row) return false;
Chris@298 466
Chris@298 467 Layer *layer = pane->getLayer(pane->getLayerCount() - row - 1);
Chris@298 468 if (!layer) return false;
Chris@298 469
Chris@336 470 if (col == m_layerVisibleColumn) {
Chris@298 471 if (role == Qt::CheckStateRole) {
Chris@298 472 layer->showLayer(pane, value.toInt() == Qt::Checked);
Chris@298 473 emit dataChanged(index, index);
Chris@298 474 return true;
Chris@298 475 }
Chris@336 476 } else if (col == m_layerPlayedColumn) {
Chris@298 477 if (role == Qt::CheckStateRole) {
Chris@298 478 PlayParameters *params = layer->getPlayParameters();
Chris@298 479 if (params) {
Chris@298 480 params->setPlayMuted(value.toInt() == Qt::Unchecked);
Chris@298 481 emit dataChanged(index, index);
Chris@298 482 return true;
Chris@298 483 }
Chris@298 484 }
Chris@298 485 }
Chris@298 486
Chris@298 487 return false;
Chris@298 488 }
Chris@298 489
Chris@43 490 Qt::ItemFlags
Chris@43 491 LayerTreeModel::flags(const QModelIndex &index) const
Chris@43 492 {
Chris@298 493 Qt::ItemFlags flags = Qt::ItemIsEnabled;
Chris@298 494 if (!index.isValid()) return flags;
Chris@298 495
Chris@336 496 if (index.column() == m_layerVisibleColumn ||
Chris@336 497 index.column() == m_layerPlayedColumn) {
Chris@298 498 flags |= Qt::ItemIsUserCheckable;
Chris@298 499 } else if (index.column() == 0) {
Chris@298 500 flags |= Qt::ItemIsSelectable;
Chris@298 501 }
Chris@298 502
Chris@298 503 return flags;
Chris@43 504 }
Chris@43 505
Chris@43 506 QVariant
Chris@56 507 LayerTreeModel::headerData(int section,
Chris@1266 508 Qt::Orientation orientation,
Chris@1266 509 int role) const
Chris@43 510 {
Chris@56 511 if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
Chris@1266 512 if (section == m_layerNameColumn) return QVariant(tr("Layer"));
Chris@336 513 else if (section == m_layerVisibleColumn) return QVariant(tr("Shown"));
Chris@336 514 else if (section == m_layerPlayedColumn) return QVariant(tr("Played"));
Chris@1266 515 else if (section == m_modelNameColumn) return QVariant(tr("Model"));
Chris@56 516 }
Chris@56 517
Chris@56 518 return QVariant();
Chris@43 519 }
Chris@43 520
Chris@43 521 QModelIndex
Chris@43 522 LayerTreeModel::index(int row, int column, const QModelIndex &parent) const
Chris@43 523 {
Chris@277 524 // cell for a pane contains row, column, pane stack
Chris@277 525 // -> its parent is the invalid cell
Chris@277 526
Chris@277 527 // cell for a layer contains row, column, pane
Chris@277 528 // -> its parent is row, column, pane stack (which identify the pane)
Chris@43 529
Chris@43 530 if (!parent.isValid()) {
Chris@277 531 if (row >= m_stack->getPaneCount() || column > 0) return QModelIndex();
Chris@1266 532 return createIndex(row, column, m_stack);
Chris@43 533 }
Chris@43 534
Chris@43 535 QObject *obj = static_cast<QObject *>(parent.internalPointer());
Chris@277 536
Chris@277 537 if (obj == m_stack) {
Chris@277 538 Pane *pane = m_stack->getPane(parent.row());
Chris@277 539 if (!pane || parent.column() > 0) return QModelIndex();
Chris@277 540 return createIndex(row, column, pane);
Chris@43 541 }
Chris@43 542
Chris@43 543 return QModelIndex();
Chris@43 544 }
Chris@43 545
Chris@43 546 QModelIndex
Chris@43 547 LayerTreeModel::parent(const QModelIndex &index) const
Chris@43 548 {
Chris@43 549 QObject *obj = static_cast<QObject *>(index.internalPointer());
Chris@43 550
Chris@336 551 if (m_deletedPanes.find(obj) != m_deletedPanes.end()) {
Chris@336 552 // m_deletedPanes.erase(obj);
Chris@336 553 return QModelIndex();
Chris@336 554 }
Chris@336 555
Chris@43 556 Pane *pane = dynamic_cast<Pane *>(obj);
Chris@43 557 if (pane) {
Chris@277 558 int index = m_stack->getPaneIndex(pane);
Chris@277 559 if (index >= 0) return createIndex(index, 0, m_stack);
Chris@43 560 }
Chris@43 561
Chris@43 562 return QModelIndex();
Chris@43 563 }
Chris@43 564
Chris@43 565 int
Chris@43 566 LayerTreeModel::rowCount(const QModelIndex &parent) const
Chris@43 567 {
Chris@277 568 if (!parent.isValid()) return m_stack->getPaneCount();
Chris@43 569
Chris@43 570 QObject *obj = static_cast<QObject *>(parent.internalPointer());
Chris@43 571
Chris@277 572 if (obj == m_stack) {
Chris@277 573 Pane *pane = m_stack->getPane(parent.row());
Chris@277 574 if (!pane || parent.column() > 0) return 0;
Chris@277 575 return pane->getLayerCount();
Chris@43 576 }
Chris@43 577
Chris@43 578 return 0;
Chris@43 579 }
Chris@43 580
Chris@43 581 int
Chris@43 582 LayerTreeModel::columnCount(const QModelIndex &parent) const
Chris@43 583 {
Chris@336 584 if (!parent.isValid()) return m_columnCount;
Chris@43 585
Chris@43 586 QObject *obj = static_cast<QObject *>(parent.internalPointer());
Chris@336 587 if (obj == m_stack) return m_columnCount; // row for a layer
Chris@56 588
Chris@43 589 return 1;
Chris@43 590 }
Chris@43 591