Added autocompletion on Tab

bukkit-plugin/src/net/walterhiggins/scriptcraft/ScriptCraftPlugin.java

@@ -9,6 +9,8 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import java.util.Collection;
 import java.util.Arrays;
+import java.util.List;
+import java.util.ArrayList;
 
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.command.*;
@@ -23,8 +25,10 @@ public class ScriptCraftPlugin extends JavaPlugin
     protected ScriptEngine engine = null;
     private static final String JS_PLUGINS_DIR = "js-plugins";
 
-    @Override
+    /** 
-        public void onEnable()
+     * Unzips bundled javascript code.
+     */
+    private void unzipJS()
     {
         //
         // does the js-plugins directory exist?
@@ -66,6 +70,12 @@ public class ScriptCraftPlugin extends JavaPlugin
                 ioe.printStackTrace();
             }
         }
+    }
+    
+    @Override
+        public void onEnable()
+    {
+        unzipJS();
         
         if (this.engine == null){
             try{
@@ -81,6 +91,28 @@ public class ScriptCraftPlugin extends JavaPlugin
             }
         }
     }
+    public List<String> onTabComplete(CommandSender sender, Command cmd,
+                                      String alias,
+                                      String[] args)
+    {
+        //
+        // delegate to javascript
+        //
+        List<String> result = new ArrayList<String>();
+        try {
+            this.engine.put("__onTC_result",result);
+            this.engine.put("__onTC_sender",sender);
+            this.engine.put("__onTC_cmd",cmd);
+            this.engine.put("__onTC_alias",alias);
+            this.engine.put("__onTC_args",args);
+            this.engine.eval("_onTabComplete()");
+        }catch (Exception e){
+            sender.sendMessage(e.getMessage());
+            e.printStackTrace();
+        }
+        return result;
+    }
+    
     public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args)
     {
         if(cmd.getName().equalsIgnoreCase("js"))

js-plugins/core/_scriptcraft.js

@@ -65,6 +65,127 @@ ScriptCraft.core = ScriptCraft.core || {};
             load(_canonize(jsFiles[i]));
         }
     };
+    var _isJavaObject = function(o){
+        var result = false;
+        try {
+            o.hasOwnProperty("testForJava");
+        }catch (e){
+            // java will throw an error when an attempt is made to access the
+            // hasOwnProperty method. (it won't exist for Java objects)
+            result = true;
+        }
+        return result;
+    };
+    var _javaLangObjectMethods = ["equals","getClass","class","getClass","hashCode","notify","notifyAll","toString","wait","clone","finalize"];
+    var _getProperties = function(o)
+    {
+        var result = [];
+        if (_isJavaObject(o)){
+            propertyLoop:
+            for (var i in o){
+                //
+                // don't include standard Object methods
+                //
+                var isObjectMethod = false;
+                for (var j = 0;j < _javaLangObjectMethods.length; j++)
+                    if (_javaLangObjectMethods[j] == i)
+                        continue propertyLoop;
+                if (typeof o[i] == "function")
+                    result.push(i+"()");
+                else
+                    result.push(i);
+            }
+        }else{
+            for (var i in o){
+                if (!o.hasOwnProperty(i))
+                    continue;
+                if (i.match(/^[^_]/)){
+                    if (typeof o[i] == "function")
+                        result.push(i+"()");
+                    else
+                        result.push(i);
+                }
+            }
+        }
+        return result.sort();
+    };
+
+    var __onTabComplete2 = function()
+    {
+        var _globalSymbols = _getProperties(global)
+        var result = global.__onTC_result;
+        var args = global.__onTC_args;
+        var propsOfLastArg = [];
+        var statement = args.join(" ");
+		  statement = statement.replace(/^\s+/,"").replace(/\s+$/,"");
+		  
+        if (statement.length == 0){
+				propsOfLastArg = _globalSymbols;
+        }else{
+            var statementSyms = statement.split(/[^a-zA-Z0-9_\.]/);
+            var lastSymbol = statementSyms[statementSyms.length-1];
+            //
+            // try to complete the object ala java IDEs.
+            //
+            var parts = lastSymbol.split(/\./);
+            var name = parts[0];
+            var symbol = global[name];
+            var lastGoodSymbol = symbol;
+            if (typeof symbol != "undefined")
+            {
+                for (var i = 1; i < parts.length;i++){
+                    name = parts[i];
+                    symbol = symbol[name];
+                    if (typeof symbol == "undefined")
+                        break;
+                    lastGoodSymbol = symbol;
+                }
+                if (typeof symbol == "undefined"){
+						  //
+                    // look up partial matches against last good symbol
+                    //
+                    var objectProps = _getProperties(lastGoodSymbol);
+                    if (name == ""){
+								// if the last symbol looks like this.. 
+								// ScriptCraft.
+								//
+                        for (var i =0;i < objectProps.length;i++)
+                            propsOfLastArg.push(statement+objectProps[i]);;
+                    }else{
+								// it looks like this..
+								// ScriptCraft.co
+								//
+								var li = statement.lastIndexOf(name);
+								statement = statement.substring(0,li);
+
+                        for (var i = 0; i < objectProps.length;i++){
+                            if (objectProps[i].indexOf(name) == 0){
+                                propsOfLastArg.push(statement + objectProps[i]);
+                            }
+                        }
+                    }
+                }else{
+                    var objectProps = _getProperties(symbol);
+                    for (var i = 0; i < objectProps.length; i++){
+                        propsOfLastArg.push(statement + objectProps[i]);
+                    }
+                }
+            }else{
+                // loop thru globalSymbols looking for a good match
+                for (var i = 0;i < _globalSymbols.length; i++){
+                    if (_globalSymbols[i].indexOf(lastSymbol) == 0){
+                        propsOfLastArg.push(statement.replace(lastSymbol,_globalSymbols[i]));
+                    }
+                }
+            }
+        }
+        for (var i = 0;i < propsOfLastArg.length; i++){
+            result.add(propsOfLastArg[i]);
+        }
+    };
+    global._onTabComplete = __onTabComplete2;
+
+
     ScriptCraft.core.load = _load;
     ScriptCraft.core.reload = _reload;
 
@@ -81,4 +202,3 @@ ScriptCraft.core = ScriptCraft.core || {};
 
 
 
-