src/frontends/qt4/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 "FuncRequest.h"
  18 #include "support/gettext.h"
  19 #include "Length.h"
  20 #include "LyXRC.h"
  21
  22 #include "insets/ExternalSupport.h"
  23 #include "insets/ExternalTemplate.h"
  24 #include "insets/InsetExternal.h"
  25
  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/lstrings.h"
  33 #include "support/lyxlib.h"
  34 #include "support/os.h"
  35
  36 #include "LengthCombo.h"
  37 #include "qt_helpers.h"
  38 #include "Validator.h"
  39
  40 #include <QCheckBox>
  41 #include <QGroupBox>
  42 #include <QLineEdit>
  43 #include <QPushButton>
  44 #include <QTabWidget>
  45 #include <QTextBrowser>
  46
  47 using namespace std;
  48 using namespace lyx::support;
  49
  50 namespace lyx {
  51 namespace frontend {
  52
  53 using namespace external;
  54
  55 namespace {
  56
  57 RotationDataType origins[] = {
  58         RotationData::DEFAULT,
  59         RotationData::TOPLEFT,
  60         RotationData::BOTTOMLEFT,
  61         RotationData::BASELINELEFT,
  62         RotationData::CENTER,
  63         RotationData::TOPCENTER,
  64         RotationData::BOTTOMCENTER,
  65         RotationData::BASELINECENTER,
  66         RotationData::TOPRIGHT,
  67         RotationData::BOTTOMRIGHT,
  68         RotationData::BASELINERIGHT
  69 };
  70
  71
  72 // These are the strings, corresponding to the above, that the GUI should
  73 // use. Note that they can/should be translated.
  74 char const * const origin_gui_strs[] = {
  75         N_("Default"),
  76         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  77         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  78         N_("Top right"), N_("Bottom right"), N_("Baseline right")
  79 };
  80
  81 external::Template getTemplate(int i)
  82 {
  83         external::TemplateManager::Templates::const_iterator i1
  84                 = external::TemplateManager::get().getTemplates().begin();
  85         advance(i1, i);
  86         return i1->second;
  87 }
  88
  89 } // namespace anon
  90
  91
  92 GuiExternal::GuiExternal(GuiView & lv)
  93         : GuiDialog(lv, "external", qt_("External Material")), bbChanged_(false)
  94 {
  95         setupUi(this);
  96
  97         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
  98         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
  99         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 100
 101         connect(displayGB, SIGNAL(toggled(bool)),
 102                 showCO, SLOT(setEnabled(bool)));
 103         connect(displayGB, SIGNAL(toggled(bool)),
 104                 displayscaleED, SLOT(setEnabled(bool)));
 105         connect(showCO, SIGNAL(activated(QString)),
 106                 this, SLOT(change_adaptor()));
 107         connect(originCO, SIGNAL(activated(int)),
 108                 this, SLOT(change_adaptor()));
 109         connect(aspectratioCB, SIGNAL(stateChanged(int)),
 110                 this, SLOT(change_adaptor()));
 111         connect(browsePB, SIGNAL(clicked()),
 112                 this, SLOT(browseClicked()));
 113         connect(externalCO, SIGNAL(activated(QString)),
 114                 this, SLOT(templateChanged()));
 115         connect(extraED, SIGNAL(textChanged(QString)),
 116                 this, SLOT(extraChanged(QString)));
 117         connect(extraFormatCO, SIGNAL(activated(QString)),
 118                 this, SLOT(formatChanged(QString)));
 119         connect(widthUnitCO, SIGNAL(activated(int)),
 120                 this, SLOT(widthUnitChanged()));
 121         connect(heightUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 122                 this, SLOT(change_adaptor()));
 123         connect(displayGB, SIGNAL(toggled(bool)),
 124                 this, SLOT(change_adaptor()));
 125         connect(displayscaleED, SIGNAL(textChanged(QString)),
 126                 this, SLOT(change_adaptor()));
 127         connect(angleED, SIGNAL(textChanged(QString)),
 128                 this, SLOT(change_adaptor()));
 129         connect(widthED, SIGNAL(textChanged(QString)),
 130                 this, SLOT(sizeChanged()));
 131         connect(heightED, SIGNAL(textChanged(QString)),
 132                 this, SLOT(sizeChanged()));
 133         connect(fileED, SIGNAL(textChanged(QString)),
 134                 this, SLOT(change_adaptor()));
 135         connect(clipCB, SIGNAL(stateChanged(int)),
 136                 this, SLOT(change_adaptor()));
 137         connect(getbbPB, SIGNAL(clicked()), this, SLOT(getbbClicked()));
 138         connect(xrED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 139         connect(ytED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 140         connect(xlED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 141         connect(ybED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 142         connect(draftCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
 143
 144         QIntValidator * validator = new QIntValidator(displayscaleED);
 145         validator->setBottom(1);
 146         displayscaleED->setValidator(validator);
 147
 148         angleED->setValidator(new QDoubleValidator(-360, 360, 2, angleED));
 149
 150         xlED->setValidator(new QIntValidator(xlED));
 151         ybED->setValidator(new QIntValidator(ybED));
 152         xrED->setValidator(new QIntValidator(xrED));
 153         ytED->setValidator(new QIntValidator(ytED));
 154
 155         widthED->setValidator(unsignedLengthValidator(widthED));
 156         heightED->setValidator(unsignedLengthValidator(heightED));
 157
 158         setFocusProxy(fileED);
 159
 160         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 161
 162         bc().setOK(okPB);
 163         bc().setApply(applyPB);
 164         bc().setCancel(closePB);
 165
 166         bc().addReadOnly(fileED);
 167         bc().addReadOnly(browsePB);
 168         bc().addReadOnly(externalCO);
 169         bc().addReadOnly(draftCB);
 170         bc().addReadOnly(displayscaleED);
 171         bc().addReadOnly(showCO);
 172         bc().addReadOnly(displayGB);
 173         bc().addReadOnly(angleED);
 174         bc().addReadOnly(originCO);
 175         bc().addReadOnly(heightUnitCO);
 176         bc().addReadOnly(heightED);
 177         bc().addReadOnly(aspectratioCB);
 178         bc().addReadOnly(widthUnitCO);
 179         bc().addReadOnly(widthED);
 180         bc().addReadOnly(clipCB);
 181         bc().addReadOnly(getbbPB);
 182         bc().addReadOnly(ytED);
 183         bc().addReadOnly(xlED);
 184         bc().addReadOnly(xrED);
 185         bc().addReadOnly(ybED);
 186         bc().addReadOnly(extraFormatCO);
 187         bc().addReadOnly(extraED);
 188
 189         bc().addCheckedLineEdit(angleED, angleLA);
 190         bc().addCheckedLineEdit(displayscaleED, scaleLA);
 191         bc().addCheckedLineEdit(heightED, heightLA);
 192         bc().addCheckedLineEdit(widthED, widthLA);
 193         bc().addCheckedLineEdit(xlED, lbLA);
 194         bc().addCheckedLineEdit(ybED, lbLA);
 195         bc().addCheckedLineEdit(xrED, rtLA);
 196         bc().addCheckedLineEdit(ytED, rtLA);
 197         bc().addCheckedLineEdit(fileED, fileLA);
 198
 199         external::TemplateManager::Templates::const_iterator i1, i2;
 200         i1 = external::TemplateManager::get().getTemplates().begin();
 201         i2 = external::TemplateManager::get().getTemplates().end();
 202         for (; i1 != i2; ++i1)
 203                 externalCO->addItem(qt_(i1->second.lyxName));
 204
 205         // Fill the origins combo
 206         for (size_t i = 0; i != sizeof(origins) / sizeof(origins[0]); ++i)
 207                 originCO->addItem(qt_(origin_gui_strs[i]));
 208
 209         // Fill the width combo
 210         widthUnitCO->addItem(qt_("Scale%"));
 211         for (int i = 0; i < num_units; i++)
 212                 widthUnitCO->addItem(qt_(unit_name_gui[i]));
 213 }
 214
 215
 216 bool GuiExternal::activateAspectratio() const
 217 {
 218         if (widthUnitCO->currentIndex() == 0)
 219                 return false;
 220
 221         string const wstr = fromqstr(widthED->text());
 222         if (wstr.empty())
 223                 return false;
 224         bool const wIsDbl = isStrDbl(wstr);
 225         if (wIsDbl && float_equal(convert<double>(wstr), 0.0, 0.05))
 226                 return false;
 227         Length l;
 228         if (!wIsDbl && (!isValidLength(wstr, &l) || l.zero()))
 229                 return false;
 230
 231         string const hstr = fromqstr(heightED->text());
 232         if (hstr.empty())
 233                 return false;
 234         bool const hIsDbl = isStrDbl(hstr);
 235         if (hIsDbl && float_equal(convert<double>(hstr), 0.0, 0.05))
 236                 return false;
 237         if (!hIsDbl && (!isValidLength(hstr, &l) || l.zero()))
 238                 return false;
 239
 240         return true;
 241 }
 242
 243
 244 void GuiExternal::bbChanged()
 245 {
 246         bbChanged_ = true;
 247         changed();
 248 }
 249
 250
 251 void GuiExternal::browseClicked()
 252 {
 253         int const choice =  externalCO->currentIndex();
 254         QString const template_name = toqstr(getTemplate(choice).lyxName);
 255         QString const str = browse(fileED->text(), template_name);
 256         if (!str.isEmpty()) {
 257                 fileED->setText(str);
 258                 changed();
 259         }
 260 }
 261
 262
 263 void GuiExternal::change_adaptor()
 264 {
 265         changed();
 266 }
 267
 268
 269 void GuiExternal::extraChanged(const QString & text)
 270 {
 271         extra_[extraFormatCO->currentText()] = text;
 272         changed();
 273 }
 274
 275
 276 void GuiExternal::formatChanged(const QString & format)
 277 {
 278         extraED->setText(extra_[format]);
 279 }
 280
 281
 282 void GuiExternal::getbbClicked()
 283 {
 284         xlED->setText("0");
 285         ybED->setText("0");
 286         xrED->setText("0");
 287         ytED->setText("0");
 288
 289         string const filename = fromqstr(fileED->text());
 290         if (filename.empty())
 291                 return;
 292
 293         FileName const abs_file(support::makeAbsPath(filename, fromqstr(bufferFilepath())));
 294
 295         // try to get it from the file, if possible
 296         string bb = readBB_from_PSFile(abs_file);
 297         if (bb.empty()) {
 298                 // we don't, so ask the Graphics Cache if it has loaded the file
 299                 int width = 0;
 300                 int height = 0;
 301
 302                 graphics::Cache & gc = graphics::Cache::get();
 303                 if (gc.inCache(abs_file)) {
 304                         graphics::Image const * image = gc.item(abs_file)->image();
 305
 306                         if (image) {
 307                                 width  = image->width();
 308                                 height = image->height();
 309                         }
 310                 }
 311                 bb = "0 0 " + convert<string>(width) + ' ' + convert<string>(height);
 312         }
 313
 314         xlED->setText(toqstr(token(bb, ' ', 0)));
 315         ybED->setText(toqstr(token(bb, ' ', 1)));
 316         xrED->setText(toqstr(token(bb, ' ', 2)));
 317         ytED->setText(toqstr(token(bb, ' ', 3)));
 318
 319         bbChanged_ = false;
 320 }
 321
 322
 323 void GuiExternal::sizeChanged()
 324 {
 325         aspectratioCB->setEnabled(activateAspectratio());
 326         changed();
 327 }
 328
 329
 330 void GuiExternal::templateChanged()
 331 {
 332         updateTemplate();
 333         changed();
 334 }
 335
 336
 337 void GuiExternal::widthUnitChanged()
 338 {
 339         bool useHeight = (widthUnitCO->currentIndex() > 0);
 340
 341         if (useHeight)
 342                 widthED->setValidator(unsignedLengthValidator(widthED));
 343         else
 344                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 345
 346         heightED->setEnabled(useHeight);
 347         heightUnitCO->setEnabled(useHeight);
 348         changed();
 349 }
 350
 351
 352 static Length::UNIT defaultUnit()
 353 {
 354         Length::UNIT default_unit = Length::CM;
 355         switch (lyxrc.default_papersize) {
 356         case PAPER_USLETTER:
 357         case PAPER_USLEGAL:
 358         case PAPER_USEXECUTIVE:
 359                 default_unit = Length::IN;
 360                 break;
 361         default:
 362                 break;
 363         }
 364         return default_unit;
 365 }
 366
 367
 368 static void setDisplay(
 369         QGroupBox & displayGB, QComboBox & showCO, QLineEdit & scaleED,
 370         external::DisplayType display, unsigned int scale, bool read_only)
 371 {
 372         int item = 0;
 373         switch (display) {
 374         case external::DefaultDisplay:
 375                 item = 0;
 376                 break;
 377         case external::MonochromeDisplay:
 378                 item = 1;
 379                 break;
 380         case external::GrayscaleDisplay:
 381                 item = 2;
 382                 break;
 383         case external::ColorDisplay:
 384                 item = 3;
 385                 break;
 386         case external::PreviewDisplay:
 387                 item = 4;
 388                 break;
 389         case external::NoDisplay:
 390                 item = 0;
 391                 break;
 392         }
 393
 394         showCO.setCurrentIndex(item);
 395         bool const no_display = display == external::NoDisplay;
 396         showCO.setEnabled(!no_display && !read_only);
 397         displayGB.setChecked(!no_display);
 398         scaleED.setEnabled(!no_display && !read_only);
 399         scaleED.setText(QString::number(scale));
 400 }
 401
 402
 403 static external::DisplayType display(QGroupBox const & displayGB,
 404         QComboBox const & showCO)
 405 {
 406         if (!displayGB.isChecked())
 407                 return external::NoDisplay;
 408         switch (showCO.currentIndex()) {
 409         default:
 410         case 0:
 411                 return external::DefaultDisplay;
 412         case 1:
 413                 return external::MonochromeDisplay;
 414         case 2:
 415                 return external::GrayscaleDisplay;
 416         case 3:
 417                 return external::ColorDisplay;
 418         case 4:
 419                 return external::PreviewDisplay;
 420         }
 421 }
 422
 423
 424 static void setRotation(QLineEdit & angleED, QComboBox & originCO,
 425         external::RotationData const & data)
 426 {
 427         originCO.setCurrentIndex(int(data.origin()));
 428         angleED.setText(toqstr(data.angle));
 429 }
 430
 431
 432 static void getRotation(external::RotationData & data,
 433         QLineEdit const & angleED, QComboBox const & originCO)
 434 {
 435         typedef external::RotationData::OriginType OriginType;
 436
 437         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 438         data.angle = fromqstr(angleED.text());
 439 }
 440
 441
 442 static void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
 443         QLineEdit & heightED, LengthCombo & heightUnitCO,
 444         QCheckBox & aspectratioCB,
 445         external::ResizeData const & data)
 446 {
 447         bool using_scale = data.usingScale();
 448         string scale = data.scale;
 449         if (data.no_resize()) {
 450                 // Everything is zero, so default to this!
 451                 using_scale = true;
 452                 scale = "100";
 453         }
 454
 455         if (using_scale) {
 456                 widthED.setText(toqstr(scale));
 457                 widthUnitCO.setCurrentIndex(0);
 458         } else {
 459                 widthED.setText(QString::number(data.width.value()));
 460                 // Because 'Scale' is position 0...
 461                 // Note also that width cannot be zero here, so
 462                 // we don't need to worry about the default unit.
 463                 widthUnitCO.setCurrentIndex(data.width.unit() + 1);
 464         }
 465
 466         string const h = data.height.zero() ? string() : data.height.asString();
 467         Length::UNIT default_unit = data.width.zero() ?
 468                 defaultUnit() : data.width.unit();
 469         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 470
 471         heightED.setEnabled(!using_scale);
 472         heightUnitCO.setEnabled(!using_scale);
 473
 474         aspectratioCB.setChecked(data.keepAspectRatio);
 475
 476         bool const disable_aspectRatio = using_scale ||
 477                 data.width.zero() || data.height.zero();
 478         aspectratioCB.setEnabled(!disable_aspectRatio);
 479 }
 480
 481
 482 static void getSize(external::ResizeData & data,
 483         QLineEdit const & widthED, QComboBox const & widthUnitCO,
 484         QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 485         QCheckBox const & aspectratioCB)
 486 {
 487         string const width = fromqstr(widthED.text());
 488
 489         if (widthUnitCO.currentIndex() > 0) {
 490                 // Subtract one, because scale is 0.
 491                 int const unit = widthUnitCO.currentIndex() - 1;
 492
 493                 Length w;
 494                 if (isValidLength(width, &w))
 495                         data.width = w;
 496                 else if (isStrDbl(width))
 497                         data.width = Length(convert<double>(width),
 498                                            static_cast<Length::UNIT>(unit));
 499                 else
 500                         data.width = Length();
 501
 502                 data.scale = string();
 503
 504         } else {
 505                 // scaling instead of a width
 506                 data.scale = width;
 507                 data.width = Length();
 508         }
 509
 510         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 511
 512         data.keepAspectRatio = aspectratioCB.isChecked();
 513 }
 514
 515
 516 void setCrop(QCheckBox & clipCB,
 517         QLineEdit & xlED, QLineEdit & ybED,
 518         QLineEdit & xrED, QLineEdit & ytED,
 519         external::ClipData const & data)
 520 {
 521         clipCB.setChecked(data.clip);
 522         graphics::BoundingBox const & bbox = data.bbox;
 523         xlED.setText(QString::number(bbox.xl));
 524         ybED.setText(QString::number(bbox.yb));
 525         xrED.setText(QString::number(bbox.xr));
 526         ytED.setText(QString::number(bbox.yt));
 527 }
 528
 529
 530 static void getCrop(external::ClipData & data,
 531         QCheckBox const & clipCB,
 532         QLineEdit const & xlED, QLineEdit const & ybED,
 533         QLineEdit const & xrED, QLineEdit const & ytED,
 534         bool bb_changed)
 535 {
 536         data.clip = clipCB.isChecked();
 537
 538         if (!bb_changed)
 539                 return;
 540
 541         data.bbox.xl = xlED.text().toInt();
 542         data.bbox.yb = ybED.text().toInt();
 543         data.bbox.xr = xrED.text().toInt();
 544         data.bbox.yt = ytED.text().toInt();
 545 }
 546
 547
 548 void GuiExternal::updateContents()
 549 {
 550         tab->setCurrentIndex(0);
 551
 552         string const name =
 553                 params_.filename.outputFilename(fromqstr(bufferFilepath()));
 554         fileED->setText(toqstr(name));
 555
 556         int index = -1;
 557         external::TemplateManager::Templates::const_iterator i1, i2;
 558         i1 = external::TemplateManager::get().getTemplates().begin();
 559         i2 = external::TemplateManager::get().getTemplates().end();
 560         for (int i = 0; i1 != i2; ++i1, ++i) {
 561                 if (i1->second.lyxName == params_.templatename()) {
 562                         index = i;
 563                         break;
 564                 }
 565         }
 566
 567         externalCO->setCurrentIndex(index);
 568         updateTemplate();
 569
 570         draftCB->setChecked(params_.draft);
 571
 572         setDisplay(*displayGB, *showCO, *displayscaleED,
 573                    params_.display, params_.lyxscale, isBufferReadonly());
 574
 575         setRotation(*angleED, *originCO, params_.rotationdata);
 576
 577         setSize(*widthED, *widthUnitCO, *heightED, *heightUnitCO,
 578                 *aspectratioCB, params_.resizedata);
 579
 580         setCrop(*clipCB, *xlED, *ybED, *xrED, *ytED, params_.clipdata);
 581         bbChanged_ = !params_.clipdata.bbox.empty();
 582
 583         isValid();
 584 }
 585
 586
 587 void GuiExternal::updateTemplate()
 588 {
 589         external::Template templ = getTemplate(externalCO->currentIndex());
 590         externalTB->setPlainText(qt_(templ.helpText));
 591
 592         // Ascertain which (if any) transformations the template supports
 593         // and disable tabs and Group Boxes hosting unsupported transforms.
 594         typedef vector<external::TransformID> TransformIDs;
 595         TransformIDs const transformIds = templ.transformIds;
 596         TransformIDs::const_iterator tr_begin = transformIds.begin();
 597         TransformIDs::const_iterator const tr_end = transformIds.end();
 598
 599         bool found = std::find(tr_begin, tr_end, external::Rotate) != tr_end;
 600         rotationGB->setEnabled(found);
 601
 602         found = std::find(tr_begin, tr_end, external::Resize) != tr_end;
 603         scaleGB->setEnabled(found);
 604
 605         found = std::find(tr_begin, tr_end, external::Clip) != tr_end;
 606         cropGB->setEnabled(found);
 607
 608         tab->setTabEnabled(tab->indexOf(sizetab),
 609                 rotationGB->isEnabled()
 610                 || scaleGB->isEnabled()
 611                 || cropGB->isEnabled());
 612
 613         found = std::find(tr_begin, tr_end, external::Extra) != tr_end;
 614         optionsGB->setEnabled(found);
 615
 616         if (!found)
 617                 return;
 618
 619         // Ascertain whether the template has any formats supporting
 620         // the 'Extra' option
 621         extra_.clear();
 622         extraED->clear();
 623         extraFormatCO->clear();
 624
 625         external::Template::Formats::const_iterator it  = templ.formats.begin();
 626         external::Template::Formats::const_iterator end = templ.formats.end();
 627         for (; it != end; ++it) {
 628                 if (it->second.option_transformers.find(external::Extra) ==
 629                     it->second.option_transformers.end())
 630                         continue;
 631                 string const format = it->first;
 632                 string const opt = params_.extradata.get(format);
 633                 extraFormatCO->addItem(toqstr(format));
 634                 extra_[toqstr(format)] = toqstr(opt);
 635         }
 636
 637         bool const enabled = extraFormatCO->count()  > 0;
 638
 639         optionsGB->setEnabled(enabled);
 640         extraED->setEnabled(enabled && !isBufferReadonly());
 641         extraFormatCO->setEnabled(enabled);
 642
 643         if (enabled) {
 644                 extraFormatCO->setCurrentIndex(0);
 645                 extraED->setText(extra_[extraFormatCO->currentText()]);
 646         }
 647 }
 648
 649
 650 void GuiExternal::applyView()
 651 {
 652         params_.filename.set(fromqstr(fileED->text()), fromqstr(bufferFilepath()));
 653         params_.settemplate(getTemplate(externalCO->currentIndex()).lyxName);
 654
 655         params_.draft = draftCB->isChecked();
 656         params_.lyxscale = displayscaleED->text().toInt();
 657         params_.display = display(*displayGB, *showCO);
 658
 659         if (rotationGB->isEnabled())
 660                 getRotation(params_.rotationdata, *angleED, *originCO);
 661
 662         if (scaleGB->isEnabled())
 663                 getSize(params_.resizedata, *widthED, *widthUnitCO,
 664                         *heightED, *heightUnitCO, *aspectratioCB);
 665
 666         if (cropGB->isEnabled())
 667                 getCrop(params_.clipdata, *clipCB, *xlED, *ybED,
 668                         *xrED, *ytED, bbChanged_);
 669
 670         if (optionsGB->isEnabled()) {
 671                 MapType::const_iterator it = extra_.begin();
 672                 MapType::const_iterator const end = extra_.end();
 673                 for (; it != end; ++it)
 674                         params_.extradata.set(fromqstr(it.key()), fromqstr(it.value().trimmed()));
 675         }
 676 }
 677
 678
 679 bool GuiExternal::initialiseParams(string const & data)
 680 {
 681         InsetExternal::string2params(data, buffer(), params_);
 682         return true;
 683 }
 684
 685
 686 void GuiExternal::clearParams()
 687 {
 688         params_ = InsetExternalParams();
 689 }
 690
 691
 692 void GuiExternal::dispatchParams()
 693 {
 694         string const lfun = InsetExternal::params2string(params_, buffer());
 695         dispatch(FuncRequest(getLfun(), lfun));
 696 }
 697
 698
 699 static QStringList templateFilters(QString const & template_name)
 700 {
 701         /// Determine the template file extension
 702         external::TemplateManager const & etm =
 703                 external::TemplateManager::get();
 704         external::Template const * const et_ptr =
 705                 etm.getTemplateByName(fromqstr(template_name));
 706
 707         return fileFilters(et_ptr ? toqstr(et_ptr->fileRegExp) : QString());
 708 }
 709
 710
 711 QString GuiExternal::browse(QString const & input,
 712                                      QString const & template_name) const
 713 {
 714         QString const title = qt_("Select external file");
 715         QString const bufpath = bufferFilepath();
 716         QStringList const filter = templateFilters(template_name);
 717
 718         QString const label1 = qt_("Documents|#o#O");
 719         QString const dir1 = toqstr(lyxrc.document_path);
 720
 721         return browseRelFile(input, bufpath, title, filter, false, label1, dir1);
 722 }
 723
 724
 725 Dialog * createGuiExternal(GuiView & lv) { return new GuiExternal(lv); }
 726
 727
 728 } // namespace frontend
 729 } // namespace lyx
 730
 731 #include "GuiExternal_moc.cpp"