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Fix bug #7044: Better error messages when modules are unavailable. Patch
from Julien Rioux, modified by me. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37207 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -45,6 +45,17 @@ LyXModule::LyXModule(string const & n, string const & i,
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}
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vector<string> LyXModule::prerequisites() const {
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#ifdef TEX2LYX
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return vector<string>();
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#else
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if (!checked_)
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isAvailable();
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return prerequisites_;
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#endif
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}
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bool LyXModule::isAvailable() const {
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#ifdef TEX2LYX
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return true;
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@ -54,16 +65,16 @@ bool LyXModule::isAvailable() const {
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if (checked_)
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return available_;
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checked_ = true;
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available_ = true;
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//check whether all of the required packages are available
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vector<string>::const_iterator it = package_list_.begin();
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vector<string>::const_iterator end = package_list_.end();
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for (; it != end; ++it) {
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if (!LaTeXFeatures::isAvailable(*it)) {
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available_ = false;
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return available_;
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prerequisites_.push_back(*it);
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}
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}
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available_ = true;
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return available_;
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#endif
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}
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@ -58,6 +58,8 @@ public:
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std::string const & catgy);
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/// whether the required packages are available
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bool isAvailable() const;
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/// the missing prerequisites, if any
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std::vector<std::string> prerequisites() const;
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///
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std::string const & getName() const { return name_; }
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///
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@ -108,6 +110,8 @@ private:
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mutable bool checked_;
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///
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mutable bool available_;
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///
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mutable std::vector<std::string> prerequisites_;
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};
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typedef std::vector<LyXModule> LyXModuleList;
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@ -1308,11 +1308,15 @@ DocumentClass & DocumentClassBundle::makeDocumentClass(
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continue;
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}
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if (!lm->isAvailable()) {
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docstring const prereqs = from_utf8(getStringFromVector(lm->prerequisites(), "\n\t"));
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docstring const msg =
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bformat(_("The module %1$s requires a package that is\n"
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"not available in your LaTeX installation, or a converter\n"
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"you have not installed. LaTeX output may not be possible.\n"),
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from_utf8(modName));
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bformat(_("The module %1$s requires a package that is not\n"
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"available in your LaTeX installation, or a converter that\n"
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"you have not installed. LaTeX output may not be possible.\n"
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"Missing prerequisites:\n"
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"\t%2$s\n"
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"See section 3.1.2.3 of the User's Guide for more information."),
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from_utf8(modName), prereqs);
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frontend::Alert::warning(_("Package not available"), msg);
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}
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FileName layout_file = libFileSearch("layouts", lm->getFilename());
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