Introduction of Javascript modules for frontend

hal-core/src/se/hal/HalServer.java

@@ -3,6 +3,7 @@ package se.hal;
 
 import se.hal.daemon.HalExternalWebDaemon;
 import se.hal.intf.*;
+import se.hal.intf.HalJavascriptModule.HalJsModule;
 import se.hal.page.StartupWebPage;
 import se.hal.struct.PluginConfig;
 import zutil.db.DBConnection;
@@ -141,6 +142,15 @@ public class HalServer {
                 registerPage(it.next());
             for (Iterator<HalWebPage> it = pluginManager.getSingletonIterator(HalWebPage.class); it.hasNext(); )
                 registerPage(it.next());
+            for (Iterator<HalJavascriptModule> it = pluginManager.getSingletonIterator(HalJavascriptModule.class); it.hasNext(); ) {
+                HalJsModule[] jsModules = it.next().getJavascriptModules();
+
+                if (jsModules != null) {
+                    for (HalJsModule module : jsModules)
+                        HalWebPage.addJavascriptModule(module);
+                }
+            }
+
 
         } catch (Exception e) {
             logger.log(Level.SEVERE, "Startup failed.", e);

hal-core/src/se/hal/intf/HalJavascriptModule.java

@@ -0,0 +1,50 @@
+package se.hal.intf;
+
+/**
+ * A plugin interface for configuring Javascript modules
+ */
+public interface HalJavascriptModule {
+
+    /**
+     * @return a List of Objects defining the Javascript configuration
+     */
+    HalJsModule[] getJavascriptModules();
+
+
+    /**
+     * Defines configuration for a Javascript module to be loaded during webpage generation.
+     */
+    class HalJsModule {
+        private String moduleName;
+        private String scriptPath;
+
+        public HalJsModule(String moduleName, String scriptPath) {
+            this.moduleName = moduleName;
+            this.scriptPath = scriptPath;
+        }
+
+        public String getModuleName() {
+            return moduleName;
+        }
+
+        public String getScriptPath() {
+            return scriptPath;
+        }
+    }
+
+    /**
+     * Declares a Javascript module to be assigned to a specific web address.
+     */
+    class HalJsModulePage extends HalJsModule {
+        private String page;
+
+        public HalJsModulePage(String moduleName, String scriptPath, String page) {
+            super(moduleName, scriptPath);
+            this.page = page;
+        }
+
+        public String getPage() {
+            return page;
+        }
+    }
+}

hal-core/src/se/hal/intf/HalWebPage.java

@@ -1,6 +1,8 @@
 package se.hal.intf;
 
 import se.hal.HalContext;
+import se.hal.intf.HalJavascriptModule.HalJsModule;
+import se.hal.intf.HalJavascriptModule.HalJsModulePage;
 import se.hal.struct.User;
 import zutil.db.DBConnection;
 import zutil.io.file.FileUtil;
@@ -11,6 +13,7 @@ import zutil.parser.Templator;
 import zutil.ui.Navigation;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -23,6 +26,8 @@ public abstract class HalWebPage implements HttpPage{
 
     private static Navigation rootNav = Navigation.createRootNav();
     private static Navigation userNav = Navigation.createRootNav();
+    private static List<HalJsModule> jsModules = new ArrayList<>();
+    private static List<HalJsModulePage> jsPages = new ArrayList<>();
 
     private String pageId;
     private boolean showSubNav;
@@ -76,6 +81,8 @@ public abstract class HalWebPage implements HttpPage{
             main.setAll(data);
             main.set("navigation", navigationTemplate);
             main.set("side_navigation", subNavigationTemplate);
+            main.set("javascriptModules", jsModules);
+            main.set("javascriptPages", jsPages);
             main.set("content", httpRespond(session, cookie, request));
 
             out.print(main.compile());
@@ -97,7 +104,12 @@ public abstract class HalWebPage implements HttpPage{
     public static Navigation getUserNav(){
         return userNav;
     }
+    public static void addJavascriptModule(HalJsModule module) {
+        jsModules.add(module);
 
+        if (module instanceof HalJsModulePage)
+            jsPages.add((HalJsModulePage) module);
+    }
 
     public abstract Templator httpRespond(
             Map<String, Object> session,

hal-core/src/se/hal/page/JavascriptModules.java

@@ -0,0 +1,24 @@
+package se.hal.page;
+
+import se.hal.intf.HalJavascriptModule;
+
+public class JavascriptModules implements HalJavascriptModule {
+
+    @Override
+    public HalJsModule[] getJavascriptModules() {
+        return new HalJsModule[] {
+                new HalJsModule("AlertStore",         "./js/vue/stores/AlertStore.js"),
+                new HalJsModule("EventStore",         "./js/vue/stores/EventStore.js"),
+                new HalJsModule("SensorStore",        "./js/vue/stores/SensorStore.js"),
+
+                new HalJsModule("AlertComponent",     "./js/vue/components/AlertComponent.js"),
+                new HalJsModule("AlertListComponent", "./js/vue/components/AlertListComponent.js"),
+
+                new HalJsModule("EventActionComponent",         "./js/vue/components/EventActionComponent.js"),
+                new HalJsModulePage("EventDetailPageComponent",     "./js/vue/components/EventDetailPageComponent.js", "/event/:id"),
+                new HalJsModulePage("EventOverviewPageComponent",   "./js/vue/components/EventOverviewPageComponent.js", "/event_overview"),
+                new HalJsModule("EventTableComponent",          "./js/vue/components/EventTableComponent.js"),
+                new HalJsModule("EventTableRowComponent",       "./js/vue/components/EventTableRowComponent.js"),
+        };
+    }
+}