src/frontends/qt/GuiExternal.cpp

   1 /**
   2  * \file GuiExternal.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Angus Leeming
   8  * \author Asger Alstrup
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiExternal.h"
  16
  17 #include "Buffer.h"
  18 #include "FuncRequest.h"
  19 #include "support/gettext.h"
  20 #include "LyXRC.h"
  21
  22 #include "insets/ExternalSupport.h"
  23 #include "insets/ExternalTemplate.h"
  24
  25 #include "graphics/epstools.h"
  26 #include "graphics/GraphicsCache.h"
  27 #include "graphics/GraphicsCacheItem.h"
  28 #include "graphics/GraphicsImage.h"
  29
  30 #include "support/convert.h"
  31 #include "support/filetools.h"
  32 #include "support/Length.h"
  33 #include "support/lstrings.h"
  34 #include "support/lyxlib.h"
  35 #include "support/os.h"
  36
  37 #include "LengthCombo.h"
  38 #include "qt_helpers.h"
  39 #include "Validator.h"
  40
  41 #include <QCheckBox>
  42 #include <QGroupBox>
  43 #include <QLineEdit>
  44 #include <QPushButton>
  45 #include <QTabWidget>
  46 #include <QTextBrowser>
  47
  48 using namespace std;
  49 using namespace lyx::support;
  50
  51 namespace lyx {
  52 namespace frontend {
  53
  54 using namespace external;
  55
  56 namespace {
  57
  58 RotationDataType origins[] = {
  59         RotationData::DEFAULT,
  60         RotationData::TOPLEFT,
  61         RotationData::BOTTOMLEFT,
  62         RotationData::BASELINELEFT,
  63         RotationData::CENTER,
  64         RotationData::TOPCENTER,
  65         RotationData::BOTTOMCENTER,
  66         RotationData::BASELINECENTER,
  67         RotationData::TOPRIGHT,
  68         RotationData::BOTTOMRIGHT,
  69         RotationData::BASELINERIGHT
  70 };
  71
  72
  73 // These are the strings, corresponding to the above, that the GUI should
  74 // use. Note that they can/should be translated.
  75 char const * const origin_gui_strs[] = {
  76         N_("Default"),
  77         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  78         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  79         N_("Top right"), N_("Bottom right"), N_("Baseline right")
  80 };
  81
  82 } // namespace
  83
  84
  85 GuiExternal::GuiExternal(GuiView & lv)
  86         : GuiDialog(lv, "external", qt_("External Material")), bbChanged_(false)
  87 {
  88         setupUi(this);
  89
  90         connect(buttonBox, SIGNAL(clicked(QAbstractButton *)),
  91                         this, SLOT(slotButtonBox(QAbstractButton *)));
  92
  93         /*
  94         connect(displayGB, SIGNAL(toggled(bool)),
  95                 displayscaleED, SLOT(setEnabled(bool)));
  96                 */
  97         connect(originCO, SIGNAL(activated(int)),
  98                 this, SLOT(change_adaptor()));
  99         connect(aspectratioCB, SIGNAL(stateChanged(int)),
 100                 this, SLOT(change_adaptor()));
 101         connect(browsePB, SIGNAL(clicked()),
 102                 this, SLOT(browseClicked()));
 103         connect(externalCO, SIGNAL(activated(QString)),
 104                 this, SLOT(templateChanged()));
 105         connect(extraED, SIGNAL(textChanged(QString)),
 106                 this, SLOT(extraChanged(QString)));
 107         connect(extraFormatCO, SIGNAL(activated(QString)),
 108                 this, SLOT(formatChanged(QString)));
 109         connect(widthUnitCO, SIGNAL(activated(int)),
 110                 this, SLOT(widthUnitChanged()));
 111         connect(heightUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 112                 this, SLOT(change_adaptor()));
 113         connect(displayGB, SIGNAL(toggled(bool)),
 114                 this, SLOT(change_adaptor()));
 115         connect(displayscaleED, SIGNAL(textChanged(QString)),
 116                 this, SLOT(change_adaptor()));
 117         connect(angleED, SIGNAL(textChanged(QString)),
 118                 this, SLOT(change_adaptor()));
 119         connect(widthED, SIGNAL(textChanged(QString)),
 120                 this, SLOT(sizeChanged()));
 121         connect(heightED, SIGNAL(textChanged(QString)),
 122                 this, SLOT(sizeChanged()));
 123         connect(fileED, SIGNAL(textChanged(QString)),
 124                 this, SLOT(change_adaptor()));
 125         connect(clipCB, SIGNAL(stateChanged(int)),
 126                 this, SLOT(change_adaptor()));
 127         connect(getbbPB, SIGNAL(clicked()), this, SLOT(getbbClicked()));
 128         connect(xrED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 129         connect(ytED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 130         connect(xlED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 131         connect(ybED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 132         connect(xrUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 133                 this, SLOT(bbChanged()));
 134         connect(ytUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 135                 this, SLOT(bbChanged()));
 136         connect(xlUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 137                 this, SLOT(bbChanged()));
 138         connect(ybUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 139                 this, SLOT(bbChanged()));
 140         connect(draftCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
 141
 142         QIntValidator * validator = new QIntValidator(displayscaleED);
 143         validator->setBottom(1);
 144         displayscaleED->setValidator(validator);
 145
 146         angleED->setValidator(new QDoubleValidator(-360, 360, 2, angleED));
 147
 148         xlED->setValidator(unsignedLengthValidator(xlED));
 149         ybED->setValidator(unsignedLengthValidator(ybED));
 150         xrED->setValidator(unsignedLengthValidator(xrED));
 151         ytED->setValidator(unsignedLengthValidator(ytED));
 152
 153         widthED->setValidator(unsignedLengthValidator(widthED));
 154         heightED->setValidator(unsignedLengthValidator(heightED));
 155
 156         setFocusProxy(fileED);
 157
 158         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 159
 160         bc().setOK(buttonBox->button(QDialogButtonBox::Ok));
 161         bc().setApply(buttonBox->button(QDialogButtonBox::Apply));
 162         bc().setCancel(buttonBox->button(QDialogButtonBox::Cancel));
 163
 164         bc().addReadOnly(fileED);
 165         bc().addReadOnly(browsePB);
 166         bc().addReadOnly(externalCO);
 167         bc().addReadOnly(draftCB);
 168         bc().addReadOnly(displayscaleED);
 169         bc().addReadOnly(displayGB);
 170         bc().addReadOnly(angleED);
 171         bc().addReadOnly(originCO);
 172         bc().addReadOnly(heightUnitCO);
 173         bc().addReadOnly(heightED);
 174         bc().addReadOnly(aspectratioCB);
 175         bc().addReadOnly(widthUnitCO);
 176         bc().addReadOnly(widthED);
 177         bc().addReadOnly(clipCB);
 178         bc().addReadOnly(getbbPB);
 179         bc().addReadOnly(ytED);
 180         bc().addReadOnly(xlED);
 181         bc().addReadOnly(xrED);
 182         bc().addReadOnly(ybED);
 183         bc().addReadOnly(ytUnitCO);
 184         bc().addReadOnly(xlUnitCO);
 185         bc().addReadOnly(xrUnitCO);
 186         bc().addReadOnly(ybUnitCO);
 187         bc().addReadOnly(extraFormatCO);
 188         bc().addReadOnly(extraED);
 189
 190         // Add validated widgets to those that will be
 191         // visually marked if invalid
 192         bc().addCheckedLineEdit(angleED, angleLA);
 193         bc().addCheckedLineEdit(displayscaleED, scaleLA);
 194         bc().addCheckedLineEdit(heightED, heightLA);
 195         bc().addCheckedLineEdit(widthED, widthLA);
 196         bc().addCheckedLineEdit(xlED, lbLA);
 197         bc().addCheckedLineEdit(ybED, lbLA);
 198         bc().addCheckedLineEdit(xrED, rtLA);
 199         bc().addCheckedLineEdit(ytED, rtLA);
 200         bc().addCheckedLineEdit(fileED, fileLA);
 201
 202         // We also mark the tabs the widgets are in
 203         int const tabindex = tab->indexOf(sizetab);
 204         bc().addCheckedLineEdit(angleED, tab, tabindex);
 205         bc().addCheckedLineEdit(heightED, tab, tabindex);
 206         bc().addCheckedLineEdit(widthED, tab, tabindex);
 207         bc().addCheckedLineEdit(xlED, tab, tabindex);
 208         bc().addCheckedLineEdit(ybED, tab, tabindex);
 209         bc().addCheckedLineEdit(xrED, tab, tabindex);
 210         bc().addCheckedLineEdit(ytED, tab, tabindex);
 211         bc().addCheckedLineEdit(displayscaleED, tab, tab->indexOf(lyxviewtab));
 212         bc().addCheckedLineEdit(fileED, tab, tab->indexOf(filetab));
 213
 214         external::TemplateManager::Templates::const_iterator i1, i2;
 215         i1 = external::TemplateManager::get().getTemplates().begin();
 216         i2 = external::TemplateManager::get().getTemplates().end();
 217         QMap<QString, QString> localizedTemplates;
 218         for (; i1 != i2; ++i1)
 219                 localizedTemplates.insert(qt_(i1->second.guiName), toqstr(i1->second.lyxName));
 220         // Sort alphabetically by (localized) GUI name
 221         QStringList keys = localizedTemplates.keys();
 222         sort(keys.begin(), keys.end(), SortLocaleAware);
 223         for (QString & key : keys) {
 224                 QString const value = localizedTemplates[key];
 225                 externalCO->addItem(key, value);
 226         }
 227
 228         // Fill the origins combo
 229         for (size_t i = 0; i != sizeof(origins) / sizeof(origins[0]); ++i)
 230                 originCO->addItem(qt_(origin_gui_strs[i]));
 231
 232         // add scale item
 233         widthUnitCO->insertItem(0, qt_("Scale%"), "scale");
 234
 235         // remove all units from bb that depend on font or other dimensions
 236         // we cannot use these, since we need to compare against absolute
 237         // values from the image file.
 238         xlUnitCO->noPercents();
 239         xlUnitCO->removeFontDependent();
 240         xrUnitCO->noPercents();
 241         xrUnitCO->removeFontDependent();
 242         ytUnitCO->noPercents();
 243         ytUnitCO->removeFontDependent();
 244         ybUnitCO->noPercents();
 245         ybUnitCO->removeFontDependent();
 246 }
 247
 248
 249 bool GuiExternal::activateAspectratio() const
 250 {
 251         if (usingScale())
 252                 return false;
 253
 254         QString const wstr = widthED->text();
 255         if (wstr.isEmpty())
 256                 return false;
 257         bool wIsDbl;
 258         double val = wstr.trimmed().toDouble(&wIsDbl);
 259         if (wIsDbl && float_equal(val, 0.0, 0.05))
 260                 return false;
 261         Length l;
 262         if (!wIsDbl && (!isValidLength(fromqstr(wstr), &l) || l.zero()))
 263                 return false;
 264
 265         QString const hstr = heightED->text();
 266         if (hstr.isEmpty())
 267                 return false;
 268         bool hIsDbl;
 269         val = hstr.trimmed().toDouble(&hIsDbl);
 270         if (hIsDbl && float_equal(val, 0.0, 0.05))
 271                 return false;
 272         if (!hIsDbl && (!isValidLength(fromqstr(hstr), &l) || l.zero()))
 273                 return false;
 274
 275         return true;
 276 }
 277
 278
 279 bool GuiExternal::usingScale() const
 280 {
 281         return (widthUnitCO->itemData(
 282                 widthUnitCO->currentIndex()).toString() == "scale");
 283 }
 284
 285
 286 void GuiExternal::bbChanged()
 287 {
 288         bbChanged_ = true;
 289         changed();
 290 }
 291
 292
 293 void GuiExternal::browseClicked()
 294 {
 295         QString const template_name =
 296                 externalCO->itemData(externalCO->currentIndex()).toString();
 297         QString const str = browse(fileED->text(), template_name);
 298         if (!str.isEmpty()) {
 299                 fileED->setText(str);
 300                 changed();
 301         }
 302 }
 303
 304
 305 void GuiExternal::change_adaptor()
 306 {
 307         changed();
 308 }
 309
 310
 311 void GuiExternal::extraChanged(const QString & text)
 312 {
 313         extra_[extraFormatCO->currentText()] = text;
 314         changed();
 315 }
 316
 317
 318 void GuiExternal::formatChanged(const QString & format)
 319 {
 320         extraED->setText(extra_[format]);
 321 }
 322
 323
 324 void GuiExternal::getbbClicked()
 325 {
 326         xlED->setText("0");
 327         ybED->setText("0");
 328         xrED->setText("0");
 329         ytED->setText("0");
 330
 331         string const filename = fromqstr(fileED->text());
 332         if (filename.empty())
 333                 return;
 334
 335         FileName const abs_file(support::makeAbsPath(filename, fromqstr(bufferFilePath())));
 336
 337         // try to get it from the file, if possible
 338         string bb = graphics::readBB_from_PSFile(abs_file);
 339         if (bb.empty()) {
 340                 // we don't, so ask the Graphics Cache if it has loaded the file
 341                 int width = 0;
 342                 int height = 0;
 343
 344                 graphics::Cache & gc = graphics::Cache::get();
 345                 if (gc.inCache(abs_file)) {
 346                         graphics::Image const * image = gc.item(abs_file)->image();
 347
 348                         if (image) {
 349                                 width  = image->width();
 350                                 height = image->height();
 351                         }
 352                 }
 353                 bb = "0 0 " + convert<string>(width) + ' ' + convert<string>(height);
 354         }
 355
 356         doubleToWidget(xlED, token(bb, ' ', 0));
 357         doubleToWidget(ybED, token(bb, ' ', 1));
 358         doubleToWidget(xrED, token(bb, ' ', 2));
 359         doubleToWidget(ytED, token(bb, ' ', 3));
 360         // the values from the file always have the bigpoint-unit bp
 361         xlUnitCO->setCurrentIndex(0);
 362         ybUnitCO->setCurrentIndex(0);
 363         xrUnitCO->setCurrentIndex(0);
 364         ytUnitCO->setCurrentIndex(0);
 365
 366         bbChanged_ = false;
 367 }
 368
 369
 370 void GuiExternal::sizeChanged()
 371 {
 372         aspectratioCB->setEnabled(activateAspectratio());
 373         changed();
 374 }
 375
 376
 377 void GuiExternal::templateChanged()
 378 {
 379         updateTemplate();
 380         changed();
 381 }
 382
 383
 384 void GuiExternal::widthUnitChanged()
 385 {
 386         if (usingScale())
 387                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 388         else
 389                 widthED->setValidator(unsignedLengthValidator(widthED));
 390
 391         heightED->setEnabled(!usingScale());
 392         heightUnitCO->setEnabled(!usingScale());
 393         changed();
 394 }
 395
 396
 397 static void setRotation(QLineEdit & angleED, QComboBox & originCO,
 398         external::RotationData const & data)
 399 {
 400         originCO.setCurrentIndex(int(data.origin()));
 401         doubleToWidget(&angleED, data.angle);
 402 }
 403
 404
 405 static void getRotation(external::RotationData & data,
 406         QLineEdit const & angleED, QComboBox const & originCO)
 407 {
 408         typedef external::RotationData::OriginType OriginType;
 409
 410         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 411         data.angle = widgetToDoubleStr(&angleED);
 412 }
 413
 414
 415 static void setSize(QLineEdit & widthED, LengthCombo & widthUnitCO,
 416         QLineEdit & heightED, LengthCombo & heightUnitCO,
 417         QCheckBox & aspectratioCB,
 418         external::ResizeData const & data)
 419 {
 420         bool using_scale = data.usingScale();
 421         string scale = data.scale;
 422         if (data.no_resize()) {
 423                 // Everything is zero, so default to this!
 424                 using_scale = true;
 425                 scale = "100";
 426         }
 427
 428         if (using_scale) {
 429                 doubleToWidget(&widthED, scale);
 430                 widthUnitCO.setCurrentItem("scale");
 431         } else
 432                 lengthToWidgets(&widthED, &widthUnitCO,
 433                                 data.width.asString(), Length::defaultUnit());
 434
 435         string const h = data.height.zero() ? string() : data.height.asString();
 436         Length::UNIT const default_unit = data.width.zero() ?
 437                 Length::defaultUnit() : data.width.unit();
 438         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 439
 440         heightED.setEnabled(!using_scale);
 441         heightUnitCO.setEnabled(!using_scale);
 442
 443         aspectratioCB.setChecked(data.keepAspectRatio);
 444
 445         bool const disable_aspectRatio = using_scale ||
 446                 data.width.zero() || data.height.zero();
 447         aspectratioCB.setEnabled(!disable_aspectRatio);
 448 }
 449
 450
 451 static void getSize(external::ResizeData & data,
 452         QLineEdit const & widthED, QComboBox const & widthUnitCO,
 453         QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 454         QCheckBox const & aspectratioCB, bool const scaling)
 455 {
 456         if (scaling) {
 457                 // scaling instead of a width
 458                 data.scale = widgetToDoubleStr(&widthED);
 459                 data.width = Length();
 460         } else {
 461                 data.width = widgetsToLength(&widthED, &widthUnitCO);
 462                 data.scale = string();
 463         }
 464         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 465         data.keepAspectRatio = aspectratioCB.isChecked();
 466 }
 467
 468
 469 void setCrop(QCheckBox & clipCB,
 470         QLineEdit & xlED, QLineEdit & ybED,
 471         QLineEdit & xrED, QLineEdit & ytED,
 472         LengthCombo & xlUnitCO, LengthCombo & ybUnitCO,
 473         LengthCombo & xrUnitCO, LengthCombo & ytUnitCO,
 474         external::ClipData const & data)
 475 {
 476         clipCB.setChecked(data.clip);
 477         Length::UNIT const default_unit = data.bbox.xl.zero() ?
 478                 Length::defaultUnit() : data.bbox.xl.unit();
 479         lengthToWidgets(&xlED, &xlUnitCO, data.bbox.xl, default_unit);
 480         lengthToWidgets(&ybED, &ybUnitCO, data.bbox.yb, default_unit);
 481         lengthToWidgets(&xrED, &xrUnitCO, data.bbox.xr, default_unit);
 482         lengthToWidgets(&ytED, &ytUnitCO, data.bbox.yt, default_unit);
 483 }
 484
 485
 486 static void getCrop(external::ClipData & data,
 487         QCheckBox const & clipCB,
 488         QLineEdit const & xlED, QLineEdit const & ybED,
 489         QLineEdit const & xrED, QLineEdit const & ytED,
 490         LengthCombo const & xlUnitCO, LengthCombo const & ybUnitCO,
 491         LengthCombo const & xrUnitCO, LengthCombo const & ytUnitCO,
 492         bool bb_changed)
 493 {
 494         data.clip = clipCB.isChecked();
 495
 496         if (!bb_changed)
 497                 return;
 498
 499         data.bbox.xl = Length(widgetsToLength(&xlED, &xlUnitCO));
 500         data.bbox.yb = Length(widgetsToLength(&ybED, &ybUnitCO));
 501         data.bbox.xr = Length(widgetsToLength(&xrED, &xrUnitCO));
 502         data.bbox.yt = Length(widgetsToLength(&ytED, &ytUnitCO));
 503 }
 504
 505
 506 void GuiExternal::updateContents()
 507 {
 508         if (params_.filename.empty())
 509                 tab->setCurrentIndex(0);
 510
 511         string const name =
 512                 params_.filename.outputFileName(fromqstr(bufferFilePath()));
 513         fileED->setText(toqstr(name));
 514
 515         externalCO->setCurrentIndex(
 516                 externalCO->findData(toqstr(params_.templatename())));
 517         updateTemplate();
 518
 519         draftCB->setChecked(params_.draft);
 520
 521         displayGB->setChecked(params_.display);
 522         displayscaleED->setText(QString::number(params_.lyxscale));
 523         bool scaled = params_.display && !isBufferReadonly() &&
 524                         (params_.preview_mode != PREVIEW_INSTANT);
 525         displayscaleED->setEnabled(scaled);
 526         scaleLA->setEnabled(scaled);
 527         displayGB->setEnabled(lyxrc.display_graphics);
 528
 529
 530         setRotation(*angleED, *originCO, params_.rotationdata);
 531
 532         setSize(*widthED, *widthUnitCO, *heightED, *heightUnitCO,
 533                 *aspectratioCB, params_.resizedata);
 534
 535         setCrop(*clipCB, *xlED, *ybED, *xrED, *ytED,
 536                 *xlUnitCO, *ybUnitCO, *xrUnitCO, *ytUnitCO, params_.clipdata);
 537         bbChanged_ = !params_.clipdata.bbox.empty();
 538
 539         isValid();
 540 }
 541
 542
 543 void GuiExternal::updateTemplate()
 544 {
 545         external::TemplateManager const & etm =
 546                 external::TemplateManager::get();
 547         external::Template const * const templ = etm.getTemplateByName(
 548                 fromqstr(externalCO->itemData(externalCO->currentIndex()).toString()));
 549         externalTB->setPlainText(toqstr(translateIfPossible(
 550                                 templ ? templ->helpText : docstring())));
 551         if (!templ)
 552                 return;
 553
 554         // Ascertain which (if any) transformations the template supports
 555         // and disable tabs and Group Boxes hosting unsupported transforms.
 556         typedef vector<external::TransformID> TransformIDs;
 557         TransformIDs const transformIds = templ->transformIds;
 558         TransformIDs::const_iterator tr_begin = transformIds.begin();
 559         TransformIDs::const_iterator const tr_end = transformIds.end();
 560
 561         bool rotate = std::find(tr_begin, tr_end, external::Rotate) != tr_end;
 562         rotationGB->setEnabled(rotate);
 563
 564         bool resize = std::find(tr_begin, tr_end, external::Resize) != tr_end;
 565         scaleGB->setEnabled(resize);
 566
 567         bool clip = std::find(tr_begin, tr_end, external::Clip) != tr_end;
 568         cropGB->setEnabled(clip);
 569
 570         sizetab->setEnabled(rotate || resize || clip);
 571         tab->setTabEnabled(tab->indexOf(sizetab), rotate || resize || clip);
 572
 573         bool found = std::find(tr_begin, tr_end, external::Extra) != tr_end;
 574         optionsGB->setEnabled(found);
 575
 576         bool scaled = displayGB->isChecked() && displayGB->isEnabled() &&
 577                         !isBufferReadonly() && (templ->preview_mode != PREVIEW_INSTANT);
 578         displayscaleED->setEnabled(scaled);
 579         scaleLA->setEnabled(scaled);
 580
 581         if (!found)
 582                 return;
 583
 584         // Ascertain whether the template has any formats supporting
 585         // the 'Extra' option
 586         extra_.clear();
 587         extraED->clear();
 588         extraFormatCO->clear();
 589
 590         external::Template::Formats::const_iterator it  = templ->formats.begin();
 591         external::Template::Formats::const_iterator end = templ->formats.end();
 592         for (; it != end; ++it) {
 593                 if (it->second.option_transformers.find(external::Extra) ==
 594                     it->second.option_transformers.end())
 595                         continue;
 596                 string const format = it->first;
 597                 string const opt = params_.extradata.get(format);
 598                 extraFormatCO->addItem(toqstr(format));
 599                 extra_[toqstr(format)] = toqstr(opt);
 600         }
 601
 602         bool const enabled = extraFormatCO->count()  > 0;
 603
 604         optionsGB->setEnabled(enabled);
 605         extraED->setEnabled(enabled && !isBufferReadonly());
 606         extraFormatCO->setEnabled(enabled);
 607
 608         if (enabled) {
 609                 extraFormatCO->setCurrentIndex(0);
 610                 extraED->setText(extra_[extraFormatCO->currentText()]);
 611         }
 612 }
 613
 614
 615 void GuiExternal::applyView()
 616 {
 617         params_.filename.set(fromqstr(fileED->text()), fromqstr(bufferFilePath()));
 618         params_.settemplate(fromqstr(externalCO->itemData(externalCO->currentIndex()).toString()));
 619
 620         params_.draft = draftCB->isChecked();
 621         params_.lyxscale = displayscaleED->text().toInt();
 622         params_.display = displayGB->isChecked();
 623
 624         if (rotationGB->isEnabled())
 625                 getRotation(params_.rotationdata, *angleED, *originCO);
 626
 627         if (scaleGB->isEnabled())
 628                 getSize(params_.resizedata, *widthED, *widthUnitCO,
 629                         *heightED, *heightUnitCO, *aspectratioCB, usingScale());
 630
 631         if (cropGB->isEnabled())
 632                 getCrop(params_.clipdata, *clipCB, *xlED, *ybED, *xrED, *ytED,
 633                         *xlUnitCO, *ybUnitCO, *xrUnitCO, *ytUnitCO, bbChanged_);
 634
 635         if (optionsGB->isEnabled()) {
 636                 MapType::const_iterator it = extra_.begin();
 637                 MapType::const_iterator const end = extra_.end();
 638                 for (; it != end; ++it)
 639                         params_.extradata.set(fromqstr(it.key()), fromqstr(it.value().trimmed()));
 640         }
 641 }
 642
 643
 644 bool GuiExternal::initialiseParams(string const & sdata)
 645 {
 646         InsetExternal::string2params(sdata, buffer(), params_);
 647         return true;
 648 }
 649
 650
 651 void GuiExternal::clearParams()
 652 {
 653         params_ = InsetExternalParams();
 654 }
 655
 656
 657 void GuiExternal::dispatchParams()
 658 {
 659         string const lfun = InsetExternal::params2string(params_, buffer());
 660         dispatch(FuncRequest(getLfun(), lfun));
 661         connectToNewInset();
 662 }
 663
 664
 665 static QStringList templateFilters(QString const & template_name)
 666 {
 667         /// Determine the template file extension
 668         external::TemplateManager const & etm =
 669                 external::TemplateManager::get();
 670         external::Template const * const et_ptr =
 671                 etm.getTemplateByName(fromqstr(template_name));
 672
 673         string filter;
 674         if (et_ptr && et_ptr->fileRegExp != "" && et_ptr->fileRegExp != "*") {
 675                 filter += to_utf8(_(et_ptr->guiName));
 676                 filter += " (";
 677                 filter += et_ptr->fileRegExp;
 678                 filter += ")";
 679         }
 680         return fileFilters(toqstr(filter));
 681 }
 682
 683
 684 QString GuiExternal::browse(QString const & input,
 685                                      QString const & template_name) const
 686 {
 687         QString const title = qt_("Select external file");
 688         QString const bufpath = bufferFilePath();
 689         QStringList const filter = templateFilters(template_name);
 690
 691         QString const label1 = qt_("D&ocuments");
 692         QString const dir1 = toqstr(lyxrc.document_path);
 693
 694         return browseRelToParent(input, bufpath, title, filter, false, label1, dir1);
 695 }
 696
 697
 698 } // namespace frontend
 699 } // namespace lyx
 700
 701 #include "moc_GuiExternal.cpp"