basic implementation

Author: jantje

io.sloeber.core/src/io/sloeber/core/api/LibraryManager.java

@@ -351,4 +351,19 @@ public static void removeAllLibs() {
 		}
 	}
 
+	/**
+	 * Searches for all libraries that can be installed but are not yet installed.
+	 * A library is considered installed when 1 version of the library is installed.
+	 *
+	 * @return a map of all instalable libraries
+	 */
+	public static Map<String, io.sloeber.core.managers.Library> getAllInstallableLibraries() {
+		Map<String, Library> ret = new HashMap<>();
+		for (LibraryIndex libraryIndex : libraryIndices) {
+			 ret.putAll(libraryIndex.getLatestInstallableLibraries());
+		}
+
+		return ret;
+	}
+
 }

io.sloeber.core/src/io/sloeber/core/managers/LibraryIndex.java

@@ -7,6 +7,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Set;
 import java.util.regex.Pattern;
 
@@ -93,6 +94,15 @@ public Map<String, Library> getLatestLibraries() {
 		return this.latestLibs;
 	}
 
+	public Map<String, Library> getLatestInstallableLibraries() {
+		Map<String, Library> ret = new HashMap<>();
+		for (Entry<String, Library> curLibrary : this.latestLibs.entrySet()) {
+			if (getInstalledLibrary(curLibrary.getKey())==null) {
+				ret.put(curLibrary.getKey(), curLibrary.getValue());
+			}
+		}
+		return ret;
+	}
 	public Collection<Library> getLibraries(String category) {
 		Set<String> categoryLibs = this.categories.get(category);
 		if (categoryLibs == null) {

io.sloeber.core/src/io/sloeber/core/tools/Libraries.java

@@ -30,11 +30,13 @@
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Status;
 
 import io.sloeber.core.InternalBoardDescriptor;
 import io.sloeber.core.api.BoardDescriptor;
+import io.sloeber.core.api.LibraryManager;
 import io.sloeber.core.common.Common;
 import io.sloeber.core.common.ConfigurationPreferences;
 import io.sloeber.core.common.Const;
@@ -390,15 +392,34 @@ public static void checkLibraries(IProject affectedProject) {
 							UnresolvedIncludedHeaders.add(entry.getValue());
 						}
 					}
-					Map<String, IPath> availableLibs = getAllInstalledLibraries(configurationDescription);
 					UnresolvedIncludedHeaders.removeAll(alreadyAddedLibs);
 
-					availableLibs.keySet().retainAll(UnresolvedIncludedHeaders);
-					if (!availableLibs.isEmpty()) {
+
+					//Check if there are libraries that are not found in the installed libraries
+					Map<String, IPath> installedLibs = getAllInstalledLibraries(configurationDescription);
+					Set<String> uninstalledIncludedHeaders=new TreeSet<>(UnresolvedIncludedHeaders);
+					uninstalledIncludedHeaders.removeAll(installedLibs.keySet());
+					if(!uninstalledIncludedHeaders.isEmpty()) {
+						//some libraries may need to be installed
+						Map<String, Library> availableLibs = LibraryManager.getAllInstallableLibraries();
+						availableLibs.keySet().retainAll(uninstalledIncludedHeaders);
+						if(!availableLibs.isEmpty()) {
+							//We now know which libraries to install
+							//TODO for now I just install but there should be some user
+							//interaction
+							for (Entry<String, Library> curLib : availableLibs.entrySet()) {
+								curLib.getValue().install(new NullProgressMonitor());
+							}
+						}
+					}
+
+					installedLibs = getAllInstalledLibraries(configurationDescription);
+					installedLibs.keySet().retainAll(UnresolvedIncludedHeaders);
+					if (!installedLibs.isEmpty()) {
 						// there are possible libraries to add
 						Common.log(new Status(IStatus.INFO, Const.CORE_PLUGIN_ID, "list of libraries to add to project " //$NON-NLS-1$
-								+ affectedProject.getName() + ": " + availableLibs.keySet().toString())); //$NON-NLS-1$
-						addLibrariesToProject(affectedProject, configurationDescription, availableLibs);
+								+ affectedProject.getName() + ": " + installedLibs.keySet().toString())); //$NON-NLS-1$
+						addLibrariesToProject(affectedProject, configurationDescription, installedLibs);
 						try {
 							mngr.setProjectDescription(affectedProject, projectDescription, true, null);
 						} catch (CoreException e) {