src/frontends/qt4/GuiCompare.cpp

   1 /**\r
   2  * \file GuiCompare.cpp\r
   3  * This file is part of LyX, the document processor.\r
   4  * Licence details can be found in the file COPYING.\r
   5  *\r
   6  * \author Vincent van Ravesteijn\r
   7  *\r
   8  * Full author contact details are available in file CREDITS.\r
   9  */\r
  10 \r
  11 #include <config.h>\r
  12 \r
  13 #include "GuiCompare.h"\r
  14 \r
  15 #include "Buffer.h"\r
  16 #include "BufferView.h"\r
  17 #include "BufferList.h"\r
  18 #include "buffer_funcs.h"\r
  19 #include "FuncRequest.h"\r
  20 #include "GuiView.h"\r
  21 #include "LyXRC.h"\r
  22 #include "qt_helpers.h"\r
  23 \r
  24 #include "frontends/alert.h"\r
  25 \r
  26 #include "support/debug.h"\r
  27 #include "support/filetools.h"\r
  28 #include "support/FileName.h"\r
  29 #include "support/gettext.h"\r
  30 \r
  31 #include <QThread>\r
  32 \r
  33 \r
  34 using namespace std;\r
  35 using namespace lyx::support;\r
  36 \r
  37 namespace lyx {\r
  38 namespace frontend {\r
  39 \r
  40 \r
  41 GuiCompare::GuiCompare(GuiView & lv)\r
  42         : GuiDialog(lv, "compare", qt_("Compare LyX files")),\r
  43         compare_(0), dest_buffer_(0)\r
  44 {\r
  45         setupUi(this);\r
  46         setModal(Qt::WindowModal);\r
  47 \r
  48         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));\r
  49         connect(closePB, SIGNAL(clicked()), this, SLOT(slotCancel()));\r
  50 \r
  51         connect(newFilePB, SIGNAL(clicked()), this, SLOT(select_newfile()));\r
  52         connect(oldFilePB, SIGNAL(clicked()), this, SLOT(select_oldfile()));\r
  53 \r
  54         connect(newFileCB, SIGNAL(currentIndexChanged(int)),\r
  55                 this, SLOT(change_adaptor()));\r
  56         connect(newFileCB, SIGNAL(editTextChanged(const QString &)),\r
  57                 this, SLOT(change_adaptor()));\r
  58         connect(oldFileCB, SIGNAL(currentIndexChanged(int)),\r
  59                 this, SLOT(change_adaptor()));\r
  60         connect(oldFileCB, SIGNAL(editTextChanged(const QString &)),\r
  61                 this, SLOT(change_adaptor()));\r
  62 \r
  63         newSettingsRB->setChecked(true);\r
  64 \r
  65         progressBar->setValue(0);\r
  66         progressBar->setEnabled(false);\r
  67 \r
  68         bc().setPolicy(ButtonPolicy::OkApplyCancelPolicy);\r
  69         bc().setOK(okPB);\r
  70 }\r
  71 \r
  72 GuiCompare::~GuiCompare()\r
  73 {\r
  74 }\r
  75 \r
  76 void GuiCompare::closeEvent(QCloseEvent *)\r
  77 {\r
  78         slotCancel();   \r
  79 }\r
  80 \r
  81 \r
  82 void GuiCompare::change_adaptor()\r
  83 {\r
  84         changed();\r
  85 }\r
  86 \r
  87 \r
  88 bool GuiCompare::isValid()\r
  89 {\r
  90         bool const valid = !newFileCB->currentText().isEmpty()\r
  91                 && !oldFileCB->currentText().isEmpty();\r
  92         return valid;\r
  93 }\r
  94 \r
  95 \r
  96 void GuiCompare::updateContents()\r
  97 {\r
  98         QString restore_filename1 = newFileCB->currentText();\r
  99         QString restore_filename2 = oldFileCB->currentText();\r
 100         newFileCB->clear();\r
 101         oldFileCB->clear();\r
 102         progressBar->setValue(0);\r
 103         BufferList::iterator it = theBufferList().begin();\r
 104         BufferList::iterator const end = theBufferList().end();\r
 105         for (; it != end; ++it) {\r
 106                 QString filename = toqstr((*it)->absFileName());\r
 107                 newFileCB->addItem(filename);\r
 108                 oldFileCB->addItem(filename);\r
 109         }\r
 110         if (lyxview().documentBufferView())\r
 111                 newFileCB->setEditText(toqstr(buffer().absFileName()));\r
 112         else\r
 113                 newFileCB->setEditText(restore_filename1);\r
 114 \r
 115         if (!restore_filename2.isEmpty())\r
 116                 oldFileCB->setEditText(restore_filename2);\r
 117         else\r
 118                 oldFileCB->clearEditText();\r
 119 \r
 120         if (isValid()) {\r
 121                 bc().setValid(isValid());\r
 122                 bc().apply();\r
 123         }\r
 124 }\r
 125 \r
 126 \r
 127 void GuiCompare::select_newfile()\r
 128 {\r
 129         QString name = browse(newFileCB->currentText());\r
 130         if (!name.isEmpty())\r
 131                 newFileCB->setEditText(name);\r
 132         changed();\r
 133 }\r
 134 \r
 135 \r
 136 void GuiCompare::select_oldfile()\r
 137 {\r
 138         QString name = browse(oldFileCB->currentText());\r
 139         if (!name.isEmpty())\r
 140                 oldFileCB->setEditText(name);\r
 141         changed();\r
 142 }\r
 143 \r
 144 \r
 145 QString GuiCompare::browse(QString const & in_name) const\r
 146 {\r
 147         QString const title = qt_("Select document");\r
 148 \r
 149         QStringList const & filters = fileFilters(qt_("LyX Documents (*.lyx)"));\r
 150         \r
 151         QString filename;\r
 152         if (lyxview().documentBufferView()) {\r
 153                 QString path = bufferFilepath();\r
 154                 filename = browseRelFile(in_name, path, title, filters, false, \r
 155                         qt_("Documents|#o#O"), toqstr(lyxrc.document_path));\r
 156         } else {\r
 157                 QString path = toqstr(lyxrc.document_path);\r
 158                 QString rel_filename = browseRelFile(in_name, path, title, filters, false, \r
 159                         qt_("Documents|#o#O"), toqstr(lyxrc.document_path));\r
 160                 filename = makeAbsPath(rel_filename, path);\r
 161         }\r
 162         return filename;        \r
 163 }\r
 164 \r
 165 \r
 166 void GuiCompare::enableControls(bool enable) const\r
 167 {\r
 168         newFileLA->setEnabled(enable);\r
 169         newFilePB->setEnabled(enable);\r
 170         newFileCB->setEnabled(enable);\r
 171         oldFileLA->setEnabled(enable);\r
 172         oldFilePB->setEnabled(enable);\r
 173         oldFileCB->setEnabled(enable);\r
 174         okPB->setEnabled(enable);\r
 175         groupBox->setEnabled(enable);\r
 176         progressBar->setEnabled(!enable);\r
 177 \r
 178         if (enable)\r
 179                 closePB->setText(qt_("Close"));\r
 180         else\r
 181                 closePB->setText(qt_("Cancel"));\r
 182 }\r
 183 \r
 184 \r
 185 void GuiCompare::finished(bool aborted)\r
 186 {\r
 187         enableControls(true);\r
 188         \r
 189         if (aborted) {\r
 190                 dest_buffer_->markClean();\r
 191                 theBufferList().release(dest_buffer_);\r
 192                 setWindowTitle(window_title_);\r
 193                 progressBar->setValue(0);\r
 194         } else {\r
 195                 hideView();\r
 196                 bc().ok();\r
 197                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, dest_buffer_->absFileName()));\r
 198         }\r
 199 }\r
 200 \r
 201 \r
 202 void GuiCompare::nextIt(int val)\r
 203 {\r
 204         progressBar->setValue(progressBar->value() + val);\r
 205 }\r
 206 \r
 207 \r
 208 void GuiCompare::progress_max(int max) const\r
 209 {\r
 210         progressBar->setMaximum(max);\r
 211 }\r
 212         \r
 213 \r
 214 void GuiCompare::slotOK()\r
 215 {\r
 216         enableControls(false);\r
 217         if (!run()) {\r
 218                 Alert::error(_("Error"),\r
 219                         _("Unable to compare files."));\r
 220                 finished(true);\r
 221         }\r
 222 }\r
 223 \r
 224 \r
 225 void GuiCompare::slotCancel()\r
 226 {\r
 227         GuiDialog::slotClose();\r
 228         progressBar->setValue(0);\r
 229 }\r
 230 \r
 231 \r
 232 Buffer const * GuiCompare::bufferFromFileName(string const & file) const\r
 233 {\r
 234         FileName fname;\r
 235         if (FileName::isAbsolute(file))\r
 236                 fname.set(file);\r
 237         else if (lyxview().documentBufferView())\r
 238                 fname = support::makeAbsPath(file, fromqstr(bufferFilepath()));\r
 239 \r
 240         if (fname.empty()\r
 241                         || (!fname.exists() && !theBufferList().getBuffer(fname))) {\r
 242                 LYXERR0( "Unable to read: " << file);\r
 243                 return 0;\r
 244         }\r
 245         return loadIfNeeded(fname);\r
 246 }\r
 247 \r
 248 \r
 249 int GuiCompare::run()\r
 250 {\r
 251         progressBar->setValue(0);\r
 252 \r
 253         new_buffer_ = bufferFromFileName(fromqstr(newFileCB->currentText()));\r
 254         old_buffer_ = bufferFromFileName(fromqstr(oldFileCB->currentText()));\r
 255 \r
 256         // new buffer that will carry the output\r
 257         FileName initpath(lyxrc.document_path);\r
 258         dest_buffer_ = newUnnamedFile(initpath, to_utf8(_("differences")));\r
 259         dest_buffer_->changed();\r
 260         dest_buffer_->markDirty();\r
 261 \r
 262         return 0;\r
 263 }\r
 264 \r
 265 \r
 266 Dialog * createGuiCompare(GuiView & lv) { return new GuiCompare(lv); }\r
 267 \r
 268 \r
 269 } // namespace frontend\r
 270 } // namespace lyx\r
 271 \r
 272 \r
 273 #include "moc_GuiCompare.cpp"\r