Dialog select class to run

Author: tranleduy2000

app/src/main/java/com/duy/ide/editor/code/MainActivity.java

@@ -46,8 +46,10 @@
 import com.duy.android.compiler.builder.IBuilder;
 import com.duy.android.compiler.builder.JavaBuilder;
 import com.duy.android.compiler.project.AndroidAppProject;
+import com.duy.android.compiler.project.FileCollection;
 import com.duy.android.compiler.project.JavaProject;
 import com.duy.android.compiler.project.JavaProjectManager;
+import com.duy.android.compiler.utils.ProjectUtils;
 import com.duy.ide.Builder;
 import com.duy.ide.MenuEditor;
 import com.duy.ide.R;
@@ -67,6 +69,7 @@
 import com.sothree.slidinguppanel.SlidingUpPanelLayout;
 
 import java.io.File;
+import java.io.FileFilter;
 import java.io.IOException;
 import java.util.ArrayList;
 
@@ -318,15 +321,7 @@ public void onComplete() {
                 mHandler.postDelayed(new Runnable() {
                     @Override
                     public void run() {
-                        File currentFile = getCurrentFile();
-                        if (currentFile == null || !currentFile.getName().endsWith(".java")) {
-                            String message = getString(R.string.main_class_not_found);
-                            Toast.makeText(MainActivity.this, message, Toast.LENGTH_SHORT).show();
-                        }
-                        Intent intent = new Intent(MainActivity.this, ExecuteActivity.class);
-                        intent.putExtra(ExecuteActivity.DEX_FILE, mProject.getDexFile());
-                        intent.putExtra(ExecuteActivity.MAIN_CLASS_FILE, currentFile);
-                        startActivity(intent);
+                        runJava(mProject);
                     }
                 }, 200);
             }
@@ -335,6 +330,42 @@ public void run() {
         buildTask.execute();
     }
 
+    private void runJava(final JavaProject project) {
+        final File currentFile = getCurrentFile();
+        if (currentFile == null || !ProjectUtils.isFileBelongProject(project, currentFile)) {
+            ArrayList<File> javaSrcDirs = new ArrayList<>();
+            javaSrcDirs.add(project.getJavaSrcDir());
+            FileCollection fileCollection = new FileCollection(javaSrcDirs);
+            final ArrayList<File> javaSources = fileCollection.filter(new FileFilter() {
+                @Override
+                public boolean accept(File pathname) {
+                    return pathname.isFile() && pathname.getName().endsWith(".java");
+                }
+            });
+            AlertDialog.Builder builder = new AlertDialog.Builder(this);
+            String[] names = new String[javaSources.size()];
+            for (int i = 0; i < javaSources.size(); i++) {
+                names[i] = javaSources.get(i).getName();
+            }
+            builder.setTitle(R.string.select_class_to_run);
+            builder.setItems(names, new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    Intent intent = new Intent(MainActivity.this, ExecuteActivity.class);
+                    intent.putExtra(ExecuteActivity.DEX_FILE, project.getDexFile());
+                    intent.putExtra(ExecuteActivity.MAIN_CLASS_FILE, javaSources.get(which));
+                    startActivity(intent);
+                }
+            });
+            builder.create().show();
+        } else {
+            Intent intent = new Intent(MainActivity.this, ExecuteActivity.class);
+            intent.putExtra(ExecuteActivity.DEX_FILE, project.getDexFile());
+            intent.putExtra(ExecuteActivity.MAIN_CLASS_FILE, currentFile);
+            startActivity(intent);
+        }
+    }
+
     /**
      * replace dialog find
      */

app/src/main/res/values/strings.xml

@@ -489,5 +489,6 @@
     <string name="compiler_setting">Compiler setting</string>
     <string name="message_open_examples">This action will be create new project, previous project will be close</string>
     <string name="warning">Warning</string>
+    <string name="select_class_to_run">Select class to run</string>
 
 </resources>

lib-android-compiler/src/main/java/com/duy/android/compiler/project/ClassUtil.java

@@ -19,7 +19,9 @@ public class ClassUtil {
                 Pattern.DOTALL);
     }
 
-
+    /**
+     * fast resolve main method, no need to parse java file
+     */
     public static boolean hasMainFunction(File file) {
         try {
             String s = org.apache.commons.io.IOUtils.toString(new FileInputStream(file));

lib-android-compiler/src/main/java/com/duy/android/compiler/project/FileCollection.java

@@ -0,0 +1,35 @@
+package com.duy.android.compiler.project;
+
+
+import java.io.File;
+import java.io.FileFilter;
+import java.util.ArrayList;
+import java.util.List;
+
+public class FileCollection {
+    private List<File> rootDirs;
+
+    public FileCollection(List<File> rootDirs) {
+        this.rootDirs = rootDirs;
+    }
+
+    public ArrayList<File> filter(FileFilter fileFilter) {
+        ArrayList<File> files = new ArrayList<>();
+        for (File rootDir : rootDirs) {
+            filter(rootDir, files, fileFilter);
+        }
+        return files;
+    }
+
+    private void filter(File file, ArrayList<File> result, FileFilter fileFilter) {
+        if (file.isDirectory()) {
+            for (File child : file.listFiles()) {
+                filter(child, result, fileFilter);
+            }
+        } else {
+            if (fileFilter.accept(file)) {
+                result.add(file);
+            }
+        }
+    }
+}

lib-android-compiler/src/main/java/com/duy/android/compiler/utils/ProjectUtils.java

@@ -0,0 +1,21 @@
+package com.duy.android.compiler.utils;
+
+import com.duy.android.compiler.project.JavaProject;
+
+import java.io.File;
+import java.io.IOException;
+
+public class ProjectUtils {
+    public static boolean isFileBelongProject(JavaProject project, File file) {
+        if (file == null || project == null) {
+            return false;
+        }
+        try {
+            File rootDir = project.getRootDir();
+            return file.getCanonicalPath().startsWith(rootDir.getCanonicalPath());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+}