annotate layer/LayerFactory.cpp @ 461:272e58f0bf8b sv-v1.4 sv-v1.4rc1

* Knock a bit of sense into Colour3DPlotLayer's cache management
author Chris Cannam
date Mon, 08 Dec 2008 13:06:44 +0000
parents 96e4d7b9e165
children 1fe7951a61e8
rev   line source
Chris@58 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@59 4 Sonic Visualiser
Chris@59 5 An audio file viewer and annotation editor.
Chris@59 6 Centre for Digital Music, Queen Mary, University of London.
Chris@59 7 This file copyright 2006 Chris Cannam.
Chris@0 8
Chris@59 9 This program is free software; you can redistribute it and/or
Chris@59 10 modify it under the terms of the GNU General Public License as
Chris@59 11 published by the Free Software Foundation; either version 2 of the
Chris@59 12 License, or (at your option) any later version. See the file
Chris@59 13 COPYING included with this distribution for more information.
Chris@0 14 */
Chris@0 15
Chris@0 16 #include "LayerFactory.h"
Chris@0 17
Chris@0 18 #include "WaveformLayer.h"
Chris@0 19 #include "SpectrogramLayer.h"
Chris@0 20 #include "TimeRulerLayer.h"
Chris@0 21 #include "TimeInstantLayer.h"
Chris@0 22 #include "TimeValueLayer.h"
Chris@30 23 #include "NoteLayer.h"
Chris@411 24 #include "RegionLayer.h"
Chris@35 25 #include "TextLayer.h"
Chris@303 26 #include "ImageLayer.h"
Chris@0 27 #include "Colour3DPlotLayer.h"
Chris@133 28 #include "SpectrumLayer.h"
Chris@193 29 #include "SliceLayer.h"
Chris@193 30 #include "SliceableLayer.h"
Chris@0 31
Chris@360 32 #include "base/Clipboard.h"
Chris@360 33
Chris@128 34 #include "data/model/RangeSummarisableTimeValueModel.h"
Chris@128 35 #include "data/model/DenseTimeValueModel.h"
Chris@128 36 #include "data/model/SparseOneDimensionalModel.h"
Chris@128 37 #include "data/model/SparseTimeValueModel.h"
Chris@128 38 #include "data/model/NoteModel.h"
Chris@411 39 #include "data/model/RegionModel.h"
Chris@128 40 #include "data/model/TextModel.h"
Chris@303 41 #include "data/model/ImageModel.h"
Chris@128 42 #include "data/model/DenseThreeDimensionalModel.h"
Chris@156 43 #include "data/model/WaveFileModel.h"
Chris@156 44 #include "data/model/WritableWaveFileModel.h"
Chris@0 45
Chris@326 46 #include <QDomDocument>
Chris@326 47 #include <QDomElement>
Chris@326 48 #include <QDomNamedNodeMap>
Chris@326 49 #include <QDomAttr>
Chris@326 50
Chris@326 51 #include <QSettings>
Chris@326 52
Chris@0 53 LayerFactory *
Chris@0 54 LayerFactory::m_instance = new LayerFactory;
Chris@0 55
Chris@0 56 LayerFactory *
Chris@125 57 LayerFactory::getInstance()
Chris@0 58 {
Chris@0 59 return m_instance;
Chris@0 60 }
Chris@0 61
Chris@0 62 LayerFactory::~LayerFactory()
Chris@0 63 {
Chris@0 64 }
Chris@0 65
Chris@0 66 QString
Chris@0 67 LayerFactory::getLayerPresentationName(LayerType type)
Chris@0 68 {
Chris@0 69 switch (type) {
Chris@0 70 case Waveform: return Layer::tr("Waveform");
Chris@0 71 case Spectrogram: return Layer::tr("Spectrogram");
Chris@0 72 case TimeRuler: return Layer::tr("Ruler");
Chris@0 73 case TimeInstants: return Layer::tr("Time Instants");
Chris@0 74 case TimeValues: return Layer::tr("Time Values");
Chris@30 75 case Notes: return Layer::tr("Notes");
Chris@411 76 case Regions: return Layer::tr("Regions");
Chris@35 77 case Text: return Layer::tr("Text");
Chris@303 78 case Image: return Layer::tr("Images");
Chris@0 79 case Colour3DPlot: return Layer::tr("Colour 3D Plot");
Chris@133 80 case Spectrum: return Layer::tr("Spectrum");
Chris@193 81 case Slice: return Layer::tr("Time Slice");
Chris@0 82
Chris@0 83 case MelodicRangeSpectrogram:
Chris@0 84 // The user can change all the parameters of this after the
Chris@0 85 // fact -- there's nothing permanently melodic-range about it
Chris@0 86 // that should be encoded in its name
Chris@0 87 return Layer::tr("Spectrogram");
Chris@11 88
Chris@37 89 case PeakFrequencySpectrogram:
Chris@37 90 // likewise
Chris@37 91 return Layer::tr("Spectrogram");
Chris@37 92
Chris@11 93 default: break;
Chris@0 94 }
Chris@0 95
Chris@0 96 return Layer::tr("Layer");
Chris@0 97 }
Chris@0 98
Chris@193 99 bool
Chris@193 100 LayerFactory::isLayerSliceable(const Layer *layer)
Chris@193 101 {
Chris@193 102 if (dynamic_cast<const SliceableLayer *>(layer)) {
Chris@193 103 if (dynamic_cast<const SpectrogramLayer *>(layer)) {
Chris@193 104
Chris@193 105 //!!! We can create slices of spectrograms, but there's a
Chris@193 106 // problem managing the models. The source model for the
Chris@193 107 // slice layer has to be one of the spectrogram's FFT
Chris@193 108 // models -- that's fine, except that we can't store &
Chris@193 109 // recall the slice layer with a reference to that model
Chris@193 110 // because the model is internal to the spectrogram layer
Chris@193 111 // and the document has no record of it. We would need
Chris@193 112 // some other way of managing models that are used in this
Chris@193 113 // way. For the moment we just don't allow slices of
Chris@193 114 // spectrograms -- and provide a spectrum layer for this
Chris@193 115 // instead.
Chris@193 116 //
Chris@193 117 // This business needs a bit more thought -- either come
Chris@193 118 // up with a sensible way to deal with that stuff, or
Chris@193 119 // simplify the existing slice layer logic so that it
Chris@193 120 // doesn't have to deal with models disappearing on it at
Chris@193 121 // all (and use the normal Document setModel mechanism to
Chris@193 122 // set its sliceable model instead of the fancy pants
Chris@193 123 // nonsense it's doing at the moment).
Chris@193 124
Chris@193 125 return false;
Chris@193 126 }
Chris@193 127 return true;
Chris@193 128 }
Chris@193 129 return false;
Chris@193 130 }
Chris@193 131
Chris@0 132 LayerFactory::LayerTypeSet
Chris@0 133 LayerFactory::getValidLayerTypes(Model *model)
Chris@0 134 {
Chris@0 135 LayerTypeSet types;
Chris@0 136
Chris@0 137 if (dynamic_cast<DenseThreeDimensionalModel *>(model)) {
Chris@0 138 types.insert(Colour3DPlot);
Chris@193 139 types.insert(Slice);
Chris@193 140 }
Chris@193 141
Chris@193 142 if (dynamic_cast<RangeSummarisableTimeValueModel *>(model)) {
Chris@193 143 types.insert(Waveform);
Chris@0 144 }
Chris@0 145
Chris@0 146 if (dynamic_cast<DenseTimeValueModel *>(model)) {
Chris@0 147 types.insert(Spectrogram);
Chris@0 148 types.insert(MelodicRangeSpectrogram);
Chris@37 149 types.insert(PeakFrequencySpectrogram);
Chris@0 150 }
Chris@0 151
Chris@0 152 if (dynamic_cast<SparseOneDimensionalModel *>(model)) {
Chris@0 153 types.insert(TimeInstants);
Chris@0 154 }
Chris@0 155
Chris@0 156 if (dynamic_cast<SparseTimeValueModel *>(model)) {
Chris@0 157 types.insert(TimeValues);
Chris@411 158 }
Chris@411 159
Chris@35 160 if (dynamic_cast<NoteModel *>(model)) {
Chris@35 161 types.insert(Notes);
Chris@0 162 }
Chris@0 163
Chris@411 164 if (dynamic_cast<RegionModel *>(model)) {
Chris@411 165 types.insert(Regions);
Chris@411 166 }
Chris@411 167
Chris@35 168 if (dynamic_cast<TextModel *>(model)) {
Chris@35 169 types.insert(Text);
Chris@30 170 }
Chris@30 171
Chris@303 172 if (dynamic_cast<ImageModel *>(model)) {
Chris@303 173 types.insert(Image);
Chris@303 174 }
Chris@303 175
Chris@133 176 if (dynamic_cast<DenseTimeValueModel *>(model)) {
Chris@133 177 types.insert(Spectrum);
Chris@133 178 }
Chris@133 179
Chris@0 180 // We don't count TimeRuler here as it doesn't actually display
Chris@0 181 // the data, although it can be backed by any model
Chris@0 182
Chris@0 183 return types;
Chris@0 184 }
Chris@0 185
Chris@17 186 LayerFactory::LayerTypeSet
Chris@17 187 LayerFactory::getValidEmptyLayerTypes()
Chris@17 188 {
Chris@17 189 LayerTypeSet types;
Chris@17 190 types.insert(TimeInstants);
Chris@17 191 types.insert(TimeValues);
Chris@30 192 types.insert(Notes);
Chris@411 193 types.insert(Regions);
Chris@35 194 types.insert(Text);
Chris@303 195 types.insert(Image);
Chris@17 196 //!!! and in principle Colour3DPlot -- now that's a challenge
Chris@17 197 return types;
Chris@17 198 }
Chris@17 199
Chris@0 200 LayerFactory::LayerType
Chris@6 201 LayerFactory::getLayerType(const Layer *layer)
Chris@0 202 {
Chris@6 203 if (dynamic_cast<const WaveformLayer *>(layer)) return Waveform;
Chris@6 204 if (dynamic_cast<const SpectrogramLayer *>(layer)) return Spectrogram;
Chris@6 205 if (dynamic_cast<const TimeRulerLayer *>(layer)) return TimeRuler;
Chris@6 206 if (dynamic_cast<const TimeInstantLayer *>(layer)) return TimeInstants;
Chris@6 207 if (dynamic_cast<const TimeValueLayer *>(layer)) return TimeValues;
Chris@30 208 if (dynamic_cast<const NoteLayer *>(layer)) return Notes;
Chris@411 209 if (dynamic_cast<const RegionLayer *>(layer)) return Regions;
Chris@35 210 if (dynamic_cast<const TextLayer *>(layer)) return Text;
Chris@303 211 if (dynamic_cast<const ImageLayer *>(layer)) return Image;
Chris@6 212 if (dynamic_cast<const Colour3DPlotLayer *>(layer)) return Colour3DPlot;
Chris@133 213 if (dynamic_cast<const SpectrumLayer *>(layer)) return Spectrum;
Chris@193 214 if (dynamic_cast<const SliceLayer *>(layer)) return Slice;
Chris@6 215 return UnknownLayer;
Chris@6 216 }
Chris@6 217
Chris@6 218 QString
Chris@17 219 LayerFactory::getLayerIconName(LayerType type)
Chris@17 220 {
Chris@17 221 switch (type) {
Chris@17 222 case Waveform: return "waveform";
Chris@17 223 case Spectrogram: return "spectrogram";
Chris@17 224 case TimeRuler: return "timeruler";
Chris@17 225 case TimeInstants: return "instants";
Chris@17 226 case TimeValues: return "values";
Chris@30 227 case Notes: return "notes";
Chris@411 228 case Regions: return "regions";
Chris@35 229 case Text: return "text";
Chris@303 230 case Image: return "image";
Chris@17 231 case Colour3DPlot: return "colour3d";
Chris@133 232 case Spectrum: return "spectrum";
Chris@193 233 case Slice: return "spectrum";
Chris@326 234 case MelodicRangeSpectrogram: return "spectrogram";
Chris@326 235 case PeakFrequencySpectrogram: return "spectrogram";
Chris@17 236 default: return "unknown";
Chris@17 237 }
Chris@17 238 }
Chris@17 239
Chris@17 240 QString
Chris@6 241 LayerFactory::getLayerTypeName(LayerType type)
Chris@6 242 {
Chris@6 243 switch (type) {
Chris@6 244 case Waveform: return "waveform";
Chris@6 245 case Spectrogram: return "spectrogram";
Chris@6 246 case TimeRuler: return "timeruler";
Chris@6 247 case TimeInstants: return "timeinstants";
Chris@6 248 case TimeValues: return "timevalues";
Chris@30 249 case Notes: return "notes";
Chris@411 250 case Regions: return "regions";
Chris@35 251 case Text: return "text";
Chris@303 252 case Image: return "image";
Chris@6 253 case Colour3DPlot: return "colour3dplot";
Chris@133 254 case Spectrum: return "spectrum";
Chris@193 255 case Slice: return "slice";
Chris@326 256 case MelodicRangeSpectrogram: return "melodicrange";
Chris@326 257 case PeakFrequencySpectrogram: return "peakfrequency";
Chris@6 258 default: return "unknown";
Chris@6 259 }
Chris@6 260 }
Chris@6 261
Chris@6 262 LayerFactory::LayerType
Chris@6 263 LayerFactory::getLayerTypeForName(QString name)
Chris@6 264 {
Chris@6 265 if (name == "waveform") return Waveform;
Chris@6 266 if (name == "spectrogram") return Spectrogram;
Chris@6 267 if (name == "timeruler") return TimeRuler;
Chris@6 268 if (name == "timeinstants") return TimeInstants;
Chris@6 269 if (name == "timevalues") return TimeValues;
Chris@30 270 if (name == "notes") return Notes;
Chris@411 271 if (name == "regions") return Regions;
Chris@35 272 if (name == "text") return Text;
Chris@303 273 if (name == "image") return Image;
Chris@6 274 if (name == "colour3dplot") return Colour3DPlot;
Chris@133 275 if (name == "spectrum") return Spectrum;
Chris@193 276 if (name == "slice") return Slice;
Chris@0 277 return UnknownLayer;
Chris@0 278 }
Chris@0 279
Chris@0 280 void
Chris@0 281 LayerFactory::setModel(Layer *layer, Model *model)
Chris@0 282 {
Chris@156 283 // if (trySetModel<WaveformLayer, RangeSummarisableTimeValueModel>(layer, model))
Chris@156 284 // return;
Chris@156 285
Chris@156 286 if (trySetModel<WaveformLayer, WaveFileModel>(layer, model))
Chris@156 287 return;
Chris@156 288
Chris@156 289 if (trySetModel<WaveformLayer, WritableWaveFileModel>(layer, model))
Chris@0 290 return;
Chris@0 291
Chris@0 292 if (trySetModel<SpectrogramLayer, DenseTimeValueModel>(layer, model))
Chris@0 293 return;
Chris@0 294
Chris@0 295 if (trySetModel<TimeRulerLayer, Model>(layer, model))
Chris@0 296 return;
Chris@0 297
Chris@0 298 if (trySetModel<TimeInstantLayer, SparseOneDimensionalModel>(layer, model))
Chris@0 299 return;
Chris@0 300
Chris@0 301 if (trySetModel<TimeValueLayer, SparseTimeValueModel>(layer, model))
Chris@0 302 return;
Chris@0 303
Chris@30 304 if (trySetModel<NoteLayer, NoteModel>(layer, model))
Chris@30 305 return;
Chris@30 306
Chris@411 307 if (trySetModel<RegionLayer, RegionModel>(layer, model))
Chris@411 308 return;
Chris@411 309
Chris@35 310 if (trySetModel<TextLayer, TextModel>(layer, model))
Chris@35 311 return;
Chris@35 312
Chris@303 313 if (trySetModel<ImageLayer, ImageModel>(layer, model))
Chris@303 314 return;
Chris@303 315
Chris@0 316 if (trySetModel<Colour3DPlotLayer, DenseThreeDimensionalModel>(layer, model))
Chris@0 317 return;
Chris@0 318
Chris@0 319 if (trySetModel<SpectrogramLayer, DenseTimeValueModel>(layer, model))
Chris@0 320 return;
Chris@133 321
Chris@133 322 if (trySetModel<SpectrumLayer, DenseTimeValueModel>(layer, model))
Chris@133 323 return;
Chris@193 324
Chris@193 325 // if (trySetModel<SliceLayer, DenseThreeDimensionalModel>(layer, model))
Chris@193 326 // return;
Chris@0 327 }
Chris@0 328
Chris@17 329 Model *
Chris@17 330 LayerFactory::createEmptyModel(LayerType layerType, Model *baseModel)
Chris@17 331 {
Chris@17 332 if (layerType == TimeInstants) {
Chris@17 333 return new SparseOneDimensionalModel(baseModel->getSampleRate(), 1);
Chris@17 334 } else if (layerType == TimeValues) {
Chris@245 335 return new SparseTimeValueModel(baseModel->getSampleRate(), 1, true);
Chris@30 336 } else if (layerType == Notes) {
Chris@245 337 return new NoteModel(baseModel->getSampleRate(), 1, true);
Chris@411 338 } else if (layerType == Regions) {
Chris@411 339 return new RegionModel(baseModel->getSampleRate(), 1, true);
Chris@35 340 } else if (layerType == Text) {
Chris@35 341 return new TextModel(baseModel->getSampleRate(), 1, true);
Chris@303 342 } else if (layerType == Image) {
Chris@303 343 return new ImageModel(baseModel->getSampleRate(), 1, true);
Chris@17 344 } else {
Chris@17 345 return 0;
Chris@17 346 }
Chris@17 347 }
Chris@17 348
Chris@53 349 int
Chris@53 350 LayerFactory::getChannel(Layer *layer)
Chris@53 351 {
Chris@53 352 if (dynamic_cast<WaveformLayer *>(layer)) {
Chris@53 353 return dynamic_cast<WaveformLayer *>(layer)->getChannel();
Chris@53 354 }
Chris@53 355 if (dynamic_cast<SpectrogramLayer *>(layer)) {
Chris@53 356 return dynamic_cast<SpectrogramLayer *>(layer)->getChannel();
Chris@53 357 }
Chris@53 358 return -1;
Chris@53 359 }
Chris@53 360
Chris@53 361 void
Chris@53 362 LayerFactory::setChannel(Layer *layer, int channel)
Chris@53 363 {
Chris@53 364 if (dynamic_cast<WaveformLayer *>(layer)) {
Chris@53 365 dynamic_cast<WaveformLayer *>(layer)->setChannel(channel);
Chris@53 366 return;
Chris@53 367 }
Chris@53 368 if (dynamic_cast<SpectrogramLayer *>(layer)) {
Chris@53 369 dynamic_cast<SpectrogramLayer *>(layer)->setChannel(channel);
Chris@53 370 return;
Chris@53 371 }
Chris@349 372 if (dynamic_cast<SpectrumLayer *>(layer)) {
Chris@349 373 dynamic_cast<SpectrumLayer *>(layer)->setChannel(channel);
Chris@349 374 return;
Chris@349 375 }
Chris@53 376 }
Chris@53 377
Chris@0 378 Layer *
Chris@53 379 LayerFactory::createLayer(LayerType type)
Chris@0 380 {
Chris@0 381 Layer *layer = 0;
Chris@0 382
Chris@0 383 switch (type) {
Chris@0 384
Chris@0 385 case Waveform:
Chris@44 386 layer = new WaveformLayer;
Chris@0 387 break;
Chris@0 388
Chris@0 389 case Spectrogram:
Chris@44 390 layer = new SpectrogramLayer;
Chris@0 391 break;
Chris@0 392
Chris@0 393 case TimeRuler:
Chris@44 394 layer = new TimeRulerLayer;
Chris@0 395 break;
Chris@0 396
Chris@0 397 case TimeInstants:
Chris@44 398 layer = new TimeInstantLayer;
Chris@0 399 break;
Chris@0 400
Chris@0 401 case TimeValues:
Chris@44 402 layer = new TimeValueLayer;
Chris@0 403 break;
Chris@0 404
Chris@30 405 case Notes:
Chris@44 406 layer = new NoteLayer;
Chris@30 407 break;
Chris@30 408
Chris@411 409 case Regions:
Chris@411 410 layer = new RegionLayer;
Chris@411 411 break;
Chris@411 412
Chris@35 413 case Text:
Chris@44 414 layer = new TextLayer;
Chris@35 415 break;
Chris@35 416
Chris@303 417 case Image:
Chris@303 418 layer = new ImageLayer;
Chris@303 419 break;
Chris@303 420
Chris@0 421 case Colour3DPlot:
Chris@44 422 layer = new Colour3DPlotLayer;
Chris@0 423 break;
Chris@0 424
Chris@133 425 case Spectrum:
Chris@133 426 layer = new SpectrumLayer;
Chris@133 427 break;
Chris@133 428
Chris@193 429 case Slice:
Chris@193 430 layer = new SliceLayer;
Chris@193 431 break;
Chris@193 432
Chris@0 433 case MelodicRangeSpectrogram:
Chris@44 434 layer = new SpectrogramLayer(SpectrogramLayer::MelodicRange);
Chris@0 435 break;
Chris@11 436
Chris@37 437 case PeakFrequencySpectrogram:
Chris@44 438 layer = new SpectrogramLayer(SpectrogramLayer::MelodicPeaks);
Chris@37 439 break;
Chris@37 440
Chris@11 441 default: break;
Chris@0 442 }
Chris@0 443
Chris@0 444 if (!layer) {
Chris@0 445 std::cerr << "LayerFactory::createLayer: Unknown layer type "
Chris@0 446 << type << std::endl;
Chris@0 447 } else {
Chris@336 448 // std::cerr << "LayerFactory::createLayer: Setting object name "
Chris@336 449 // << getLayerPresentationName(type).toStdString() << " on " << layer << std::endl;
Chris@0 450 layer->setObjectName(getLayerPresentationName(type));
Chris@326 451 setLayerDefaultProperties(type, layer);
Chris@0 452 }
Chris@0 453
Chris@0 454 return layer;
Chris@0 455 }
Chris@0 456
Chris@326 457 void
Chris@326 458 LayerFactory::setLayerDefaultProperties(LayerType type, Layer *layer)
Chris@326 459 {
Chris@336 460 // std::cerr << "LayerFactory::setLayerDefaultProperties: type " << type << " (name \"" << getLayerTypeName(type).toStdString() << "\")" << std::endl;
Chris@327 461
Chris@326 462 QSettings settings;
Chris@326 463 settings.beginGroup("LayerDefaults");
Chris@326 464 QString defaults = settings.value(getLayerTypeName(type), "").toString();
Chris@326 465 if (defaults == "") return;
Chris@326 466
Chris@336 467 // std::cerr << "defaults=\"" << defaults.toStdString() << "\"" << std::endl;
Chris@327 468
Chris@326 469 QString xml = layer->toXmlString();
Chris@326 470 QDomDocument docOld, docNew;
Chris@326 471
Chris@326 472 if (docOld.setContent(xml, false) &&
Chris@326 473 docNew.setContent(defaults, false)) {
Chris@326 474
Chris@326 475 QXmlAttributes attrs;
Chris@326 476
Chris@326 477 QDomElement layerElt = docNew.firstChildElement("layer");
Chris@326 478 QDomNamedNodeMap attrNodes = layerElt.attributes();
Chris@326 479
Chris@326 480 for (unsigned int i = 0; i < attrNodes.length(); ++i) {
Chris@326 481 QDomAttr attr = attrNodes.item(i).toAttr();
Chris@326 482 if (attr.isNull()) continue;
Chris@336 483 // std::cerr << "append \"" << attr.name().toStdString()
Chris@336 484 // << "\" -> \"" << attr.value().toStdString() << "\""
Chris@336 485 // << std::endl;
Chris@326 486 attrs.append(attr.name(), "", "", attr.value());
Chris@326 487 }
Chris@326 488
Chris@326 489 layerElt = docOld.firstChildElement("layer");
Chris@326 490 attrNodes = layerElt.attributes();
Chris@326 491 for (unsigned int i = 0; i < attrNodes.length(); ++i) {
Chris@326 492 QDomAttr attr = attrNodes.item(i).toAttr();
Chris@326 493 if (attr.isNull()) continue;
Chris@326 494 if (attrs.value(attr.name()) == "") {
Chris@336 495 // std::cerr << "append \"" << attr.name().toStdString()
Chris@336 496 // << "\" -> \"" << attr.value().toStdString() << "\""
Chris@336 497 // << std::endl;
Chris@326 498 attrs.append(attr.name(), "", "", attr.value());
Chris@326 499 }
Chris@326 500 }
Chris@326 501
Chris@326 502 layer->setProperties(attrs);
Chris@326 503 }
Chris@326 504
Chris@326 505 settings.endGroup();
Chris@326 506 }
Chris@326 507
Chris@360 508 LayerFactory::LayerType
Chris@360 509 LayerFactory::getLayerTypeForClipboardContents(const Clipboard &clip)
Chris@360 510 {
Chris@360 511 const Clipboard::PointList &contents = clip.getPoints();
Chris@360 512
Chris@360 513 bool haveFrame = false;
Chris@360 514 bool haveValue = false;
Chris@360 515 bool haveDuration = false;
Chris@411 516 bool haveLevel = false;
Chris@360 517
Chris@360 518 for (Clipboard::PointList::const_iterator i = contents.begin();
Chris@360 519 i != contents.end(); ++i) {
Chris@360 520 if (i->haveFrame()) haveFrame = true;
Chris@360 521 if (i->haveValue()) haveValue = true;
Chris@360 522 if (i->haveDuration()) haveDuration = true;
Chris@411 523 if (i->haveLevel()) haveLevel = true;
Chris@360 524 }
Chris@360 525
Chris@411 526 if (haveFrame && haveValue && haveDuration && haveLevel) return Notes;
Chris@411 527 if (haveFrame && haveValue && haveDuration) return Regions;
Chris@360 528 if (haveFrame && haveValue) return TimeValues;
Chris@360 529 return TimeInstants;
Chris@360 530 }
Chris@360 531