* src/TextClass.h[.cpp]: add addLayoutIfNeeded() and createDefaultLayout()
* src/Layout.h[.cpp]: add unknown_ to mark if a layout is a default layout for an unknown one.
* src/LayoutFile.cpp: add addDefaultClass and change addLayoutFile to addLocalLayout.
* src/Text.cpp: add unknown layouts that are not recognizable by a new textclass.
* src/frontends/qt4/GuiToolbar.cpp: display (unknown) for unknown layouts.
* src/frontends/qt4/GuiDocument.cpp: restore 'browse layout' button.
* src/frontends/qt4/ui/LaTeXUi.ui: restore 'browse layout' button.
* src/CutAndPaste.cpp: do not convert unknown layouts from pasted text
* src/BufferParams.cpp: add a default textclass when a document with unknown textclass is loaded.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@25555 a592a061-630c-0410-9148-cb99ea01b6c8
For the record, this developer is sorry that the problems with this code were not noticed much earlier. It's not fun to do so much work and then have it all reverted.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@24373 a592a061-630c-0410-9148-cb99ea01b6c8
* src/EmbeddedFiles.h|cpp: add validate() function to validate loaded .lyx file.
* src/LayoutFile.h|cpp: add Layout_Type parameter to addLayoutFile to load an embedded layout.
* src/BufferParams.h|cpp: read layout from temp directory, then local directory.
* src/frontends/qt4/GuiDocument.cpp: handle embedded layout type
* src/LyXFunc.cpp: handle embedded layout when a layout is re-read.
* src/Buffer.cpp: validate after a buffer is read. handle exceptions properly.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23667 a592a061-630c-0410-9148-cb99ea01b6c8
