Get plugin dummy status from its header.

Until its full content is read. Closes #369.

resources/report/js/l10n.js

@@ -236,6 +236,7 @@
             var firstRun = document.getElementById('firstRun');
             firstRun.heading = l10n.translate("First-Time Tips").fetch();
 
+            firstRun.querySelector('li:nth-child(2)').textContent = l10n.translate("CRCs are only displayed after plugins have been loaded, either by conflict filtering, or by sorting.").fetch();
             firstRun.querySelector('li:nth-child(4)').textContent = l10n.translate("Multiple metadata editors can be opened at once, and many options in the header bar are disabled while any editors are open.").fetch();
             firstRun.querySelector('li:last-child').textContent = l10n.translate("Many interface elements have tooltips. If you don't know what something is, try hovering your mouse over it to find out.").fetch();
 

resources/report/report.html

@@ -295,7 +295,7 @@ along with LOOT. If not, see <http://www.gnu.org/licenses/>.
         <p>This appears to be the first time you have run LOOT v<span id="firstTimeLootVersion"></span>. Here are some tips to help you get started with the interface.</p>
         <ul>
             <li>As well as messages, LOOT displays plugin <span class="version">version numbers</span>, <span class="crc">CRCs</span> and Bash Tag suggestions for <span class="tag add">addition</span> and <span class="tag remove">removal</span>.</li>
-            <li>CRCs and dummy plugin icons <core-icon icon="visibility-off"></core-icon> are only displayed after plugins have been loaded, either by conflict filtering, or by sorting.</li>
+            <li>CRCs are only displayed after plugins have been loaded, either by conflict filtering, or by sorting.</li>
             <li>Each plugin has a menu that can be used to access extra features, including the plugin's metadata editor and conflict filter. Click the plugin's <core-icon icon="more-vert"></core-icon> icon to reveal it.</li>
             <li>Multiple metadata editors can be opened at once, and many options in the header bar are disabled while any editors are open.</li>
             <li>Plugins can be drag and dropped from the sidebar into editors' <q>load after</q>, <q>requirements</q> and <q>incompatibility</q> tables.</li>

src/backend/metadata.cpp

@@ -407,6 +407,15 @@ namespace loot {
                     ++numOverrideRecords;
             }
 
+            BOOST_LOG_TRIVIAL(trace) << name << ": " << "Checking if plugin is a dummy.";
+            if (headerOnly) {
+                // Check the header records count.
+                _isDummy = file->getNumRecords() == 0;
+            }
+            else {
+                _isDummy = formIDs.empty();
+            }
+
             //Also read Bash Tags applied and version string in description.
             BOOST_LOG_TRIVIAL(trace) << name << ": " << "Reading the description.";
             string text = boost::locale::conv::to_utf<char>(file->getDescription(), "Windows-1252", boost::locale::conv::stop);
@@ -827,6 +836,10 @@ namespace loot {
         return isMaster;
     }
 
+    bool Plugin::IsDummy() const {
+        return _isDummy;
+    }
+
     std::string Plugin::Version() const {
         return version;
     }

src/backend/metadata.h

@@ -210,6 +210,7 @@ namespace loot {
         const std::set<FormID>& FormIDs() const;
         std::vector<std::string> Masters() const;
         bool IsMaster() const;  //Checks master bit flag.
+        bool IsDummy() const;
         std::string Version() const;
         uint32_t Crc() const;
 
@@ -249,6 +250,7 @@ namespace loot {
         std::string name;
         bool enabled;  //Default to true.
         bool _isPriorityExplicit;  //If false and priority is 0, then priority was not explicitly set as such.
+        bool _isDummy;  // Does the plugin contain any records other than the TES4 header?
         int priority;  //Default to 0 : >0 is lower down in load order, <0 is higher up.
         std::set<File> loadAfter;
         std::set<File> requirements;

src/gui/handler.cpp

@@ -354,7 +354,7 @@ namespace loot {
             YAML::Node pluginNode;
 
             pluginNode["crc"] = pluginPair.second.Crc();
-            pluginNode["isDummy"] = pluginPair.second.FormIDs().size() == 0;
+            pluginNode["isDummy"] = pluginPair.second.IsDummy();
             if (pluginIt != g_app_state.CurrentGame().plugins.end() && pluginIt->second.DoFormIDsOverlap(pluginPair.second)) {
                 BOOST_LOG_TRIVIAL(debug) << "Found conflicting plugin: " << pluginPair.second.Name();
                 pluginNode["conflicts"] = true;
@@ -669,7 +669,7 @@ namespace loot {
                 pluginNode["__type"] = "Plugin";  // For conversion back into a JS typed object.
                 pluginNode["name"] = plugin.Name();
                 pluginNode["isActive"] = g_app_state.CurrentGame().IsActive(plugin.Name());
-                pluginNode["isDummy"] = false; // Set to false for now because we just don't know yet.
+                pluginNode["isDummy"] = plugin.IsDummy();
                 pluginNode["loadsBSA"] = plugin.LoadsBSA(g_app_state.CurrentGame());
                 pluginNode["crc"] = IntToHexString(plugin.Crc());
                 pluginNode["version"] = plugin.Version();
@@ -919,7 +919,7 @@ namespace loot {
 
                 pluginNode["name"] = plugin.Name();
                 pluginNode["crc"] = plugin.Crc();
-                pluginNode["isDummy"] = plugin.FormIDs().size() == 0;
+                pluginNode["isDummy"] = plugin.IsDummy();
 
                 // Sorting may have produced a plugin loading error message, so rederive displayed data.
                 YAML::Node derivedNode = GenerateDerivedMetadata(plugin.Name());