feat: Added add source block (built-in)

app/src/main/java/builtin/blocks/BuiltInBlocks.java

@@ -0,0 +1,46 @@
+package builtin.blocks;
+
+import android.graphics.Color;
+import com.dragon.ide.objects.Block;
+import com.dragon.ide.objects.BlockContent;
+import com.dragon.ide.objects.BlocksHolder;
+import com.dragon.ide.objects.ComplexBlockContent;
+import com.dragon.ide.objects.blockcontent.SourceContent;
+import java.util.ArrayList;
+
+public class BuiltInBlocks {
+  public static ArrayList<BlocksHolder> getBuiltInBlocksHolder() {
+    ArrayList<BlocksHolder> blocksHolder = new ArrayList<BlocksHolder>();
+    BlocksHolder holder1 = new BlocksHolder();
+    holder1.setColor("#009900");
+    holder1.setName("Operators");
+
+    ArrayList<Block> blockList = new ArrayList<Block>();
+
+    Block blockInHolder1 = new Block();
+    blockInHolder1.setColor("#009900");
+    blockInHolder1.setBlockType(Block.BlockType.defaultBlock);
+    blockInHolder1.setName("addSource");
+    blockInHolder1.setRawCode("%%%% DragonIDE param1 %%%%");
+
+    ArrayList<Object> block1ContentList = new ArrayList<Object>();
+
+    BlockContent block1Content1 = new BlockContent();
+    block1Content1.setText("add source");
+    block1ContentList.add(block1Content1);
+
+    SourceContent block1Content2 = new SourceContent();
+    block1Content2.setId("param1");
+    block1ContentList.add(block1Content2);
+
+    blockInHolder1.setBlockContent(block1ContentList);
+
+    blockList.add(blockInHolder1);
+
+    holder1.setBlocks(blockList);
+
+    blocksHolder.add(holder1);
+
+    return blocksHolder;
+  }
+}

app/src/main/java/com/dragon/ide/objects/Block.java

@@ -11,7 +11,7 @@ public class Block implements Serializable {
   private ArrayList<Object> blockContent;
   private int BlockType;
   private String rawCode;
-  private String replacer;
+  private String returns;
 
   public String getColor() {
     if (this.color != null) {
@@ -49,8 +49,7 @@ public String getCode() {
       if (getBlockContent().get(i) instanceof ComplexBlockContent) {
         blockRawCode =
             blockRawCode.replaceAll(
-                CodeReplacer.getReplacer(
-                    ((ComplexBlockContent) getBlockContent().get(i)).getId()),
+                CodeReplacer.getReplacer(((ComplexBlockContent) getBlockContent().get(i)).getId()),
                 ((ComplexBlockContent) getBlockContent().get(i)).getValue());
       }
     }
@@ -67,17 +66,9 @@ public void setRawCode(String rawCode) {
   }
 
   public final class BlockType {
-    public final int defaultBlock = 0;
-    public final int complexBlock = 1;
-    public final int doubleComplexBlock = 2;
-  }
-
-  public String getReplacer() {
-    return this.replacer;
-  }
-
-  public void setReplacer(String replacer) {
-    this.replacer = replacer;
+    public static final int defaultBlock = 0;
+    public static final int complexBlock = 1;
+    public static final int doubleComplexBlock = 2;
   }
 
   public ArrayList<Object> getBlockContent() {
@@ -87,4 +78,15 @@ public ArrayList<Object> getBlockContent() {
   public void setBlockContent(ArrayList<Object> blockContent) {
     this.blockContent = blockContent;
   }
+
+  public String getReturns() {
+    if (returns != null) {
+      return this.returns;
+    }
+    return "";
+  }
+
+  public void setReturns(String returns) {
+    this.returns = returns;
+  }
 }

app/src/main/java/com/dragon/ide/objects/BlockContent.java

@@ -17,7 +17,7 @@ public void setText(String text) {
   public class BlockContentType {
     public static final int String = 0;
     public static final int InputSourceCode = 1;
-        public static final int Integer = 2;
-        public static final int Boolean = 3;
+    public static final int Integer = 2;
+    public static final int Boolean = 3;
   }
 }

app/src/main/java/com/dragon/ide/objects/complexblockcontent/BooleanContent.java → app/src/main/java/com/dragon/ide/objects/blockcontent/BooleanContent.java

@@ -1,4 +1,4 @@
-package com.dragon.ide.objects.complexblockcontent;
+package com.dragon.ide.objects.blockcontent;
 
 import com.dragon.ide.objects.BlockContent;
 import com.dragon.ide.objects.ComplexBlockContent;

app/src/main/java/com/dragon/ide/objects/complexblockcontent/NumberContent.java → app/src/main/java/com/dragon/ide/objects/blockcontent/NumberContent.java

@@ -1,4 +1,4 @@
-package com.dragon.ide.objects.complexblockcontent;
+package com.dragon.ide.objects.blockcontent;
 
 import com.dragon.ide.objects.BlockContent;
 import com.dragon.ide.objects.ComplexBlockContent;

app/src/main/java/com/dragon/ide/objects/complexblockcontent/SourceContent.java → app/src/main/java/com/dragon/ide/objects/blockcontent/SourceContent.java

@@ -1,4 +1,4 @@
-package com.dragon.ide.objects.complexblockcontent;
+package com.dragon.ide.objects.blockcontent;
 
 import com.dragon.ide.objects.BlockContent;
 import com.dragon.ide.objects.ComplexBlockContent;

app/src/main/java/com/dragon/ide/objects/complexblockcontent/StringContent.java → app/src/main/java/com/dragon/ide/objects/blockcontent/StringContent.java

@@ -1,4 +1,4 @@
-package com.dragon.ide.objects.complexblockcontent;
+package com.dragon.ide.objects.blockcontent;
 
 import com.dragon.ide.objects.BlockContent;
 import com.dragon.ide.objects.ComplexBlockContent;

app/src/main/java/com/dragon/ide/ui/activities/EventEditorActivity.java

@@ -4,9 +4,13 @@
 
 import android.os.Bundle;
 import android.view.View;
+import androidx.recyclerview.widget.LinearLayoutManager;
 import com.dragon.ide.R;
 import com.dragon.ide.databinding.ActivityEventEditorBinding;
+import com.dragon.ide.objects.BlocksHolder;
 import com.dragon.ide.objects.WebFile;
+import com.dragon.ide.ui.adapters.BlocksHolderEventEditorListItem;
+import com.dragon.ide.utils.eventeditor.BlocksListLoader;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.ObjectInputStream;
@@ -17,6 +21,7 @@
 public class EventEditorActivity extends BaseActivity {
   private ActivityEventEditorBinding binding;
   private ArrayList<WebFile> fileList;
+  private ArrayList<BlocksHolder> blocksHolder;
   private String projectName;
   private String projectPath;
 
@@ -28,8 +33,9 @@ protected void onCreate(Bundle savedInstanceState) {
     // set content view to binding's root.
     setContentView(binding.getRoot());
 
-    // Initialize fileList to avoid null error
+    // Initialize to avoid null error
     fileList = new ArrayList<WebFile>();
+    blocksHolder = new ArrayList<BlocksHolder>();
 
     // Setup toolbar.
     binding.toolbar.setTitle(R.string.app_name);
@@ -62,6 +68,23 @@ public void onClick(View arg0) {
     } else {
       loadFileList();
     }
+
+    /*
+     * Loads blocks holder
+     */
+    BlocksListLoader blocksListLoader = new BlocksListLoader();
+    blocksListLoader.loadBlocks(
+        EventEditorActivity.this,
+        new BlocksListLoader.Progress() {
+
+          @Override
+          public void onCompleteLoading(ArrayList<BlocksHolder> holder) {
+            binding.blocksHolderList.setAdapter(
+                new BlocksHolderEventEditorListItem(holder, EventEditorActivity.this));
+            binding.blocksHolderList.setLayoutManager(new LinearLayoutManager(EventEditorActivity.this));
+          }
+        });
+
     binding.fab.setOnClickListener(
         (view) -> {
           if (binding.blockArea.getVisibility() == View.GONE) {

app/src/main/java/com/dragon/ide/ui/adapters/BlocksHolderEventEditorListItem.java

@@ -0,0 +1,63 @@
+package com.dragon.ide.ui.adapters;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.Color;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.recyclerview.widget.RecyclerView;
+import com.dragon.ide.R;
+import com.dragon.ide.databinding.LayoutBlocksHolderListItemBinding;
+import com.dragon.ide.databinding.LayoutEventBlocksHolderListItemBinding;
+import com.dragon.ide.objects.BlocksHolder;
+import com.dragon.ide.ui.activities.BlockManagerActivity;
+import java.util.ArrayList;
+
+public class BlocksHolderEventEditorListItem extends RecyclerView.Adapter<BlocksHolderEventEditorListItem.ViewHolder> {
+
+  public ArrayList<BlocksHolder> list;
+  public Activity activity;
+
+  public BlocksHolderEventEditorListItem(ArrayList<BlocksHolder> _arr, Activity activity) {
+    list = _arr;
+    this.activity = activity;
+  }
+
+  @Override
+  public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+    LayoutEventBlocksHolderListItemBinding item =
+        LayoutEventBlocksHolderListItemBinding.inflate(activity.getLayoutInflater());
+    View _v = item.getRoot();
+    RecyclerView.LayoutParams _lp =
+        new RecyclerView.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+    _v.setLayoutParams(_lp);
+    return new ViewHolder(_v);
+  }
+
+  @Override
+  public void onBindViewHolder(ViewHolder _holder, int _position) {
+    LayoutEventBlocksHolderListItemBinding binding =
+        LayoutEventBlocksHolderListItemBinding.bind(_holder.itemView);
+    binding.holderName.setText(list.get(_position).getName());
+    int blocksCount = list.get(_position).getBlocks().size();
+    binding.color.setBackgroundColor(Color.parseColor(list.get(_position).getColor()));
+    binding
+        .getRoot()
+        .setOnClickListener(
+            (view) -> {
+
+            });
+  }
+
+  @Override
+  public int getItemCount() {
+    return list.size();
+  }
+
+  public class ViewHolder extends RecyclerView.ViewHolder {
+    public ViewHolder(View v) {
+      super(v);
+    }
+  }
+}

app/src/main/java/com/dragon/ide/ui/view/BlockDefaultView.java

@@ -0,0 +1,75 @@
+package com.dragon.ide.ui.view;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import com.dragon.ide.R;
+import com.dragon.ide.objects.Block;
+import com.dragon.ide.objects.BlockContent;
+import com.dragon.ide.objects.ComplexBlock;
+import com.dragon.ide.objects.ComplexBlockContent;
+import com.dragon.ide.objects.DoubleComplexBlock;
+import com.dragon.ide.objects.blockcontent.SourceContent;
+
+public class BlockDefaultView extends LinearLayout {
+  public String returns;
+
+  public BlockDefaultView(Context context) {
+    super(context);
+    setOrientation(LinearLayout.HORIZONTAL);
+  }
+
+  public void setBlock(Block block) {
+    returns = block.getReturns();
+
+    if (!(block instanceof DoubleComplexBlock) && !(block instanceof ComplexBlock)) {
+      if (block instanceof Block) {
+        if (block.getBlockType() == Block.BlockType.defaultBlock) {
+          setBackgroundResource(R.drawable.block_default);
+
+          Drawable backgroundDrawable = getBackground();
+          backgroundDrawable.setTint(Color.parseColor(block.getColor()));
+          backgroundDrawable.setTintMode(PorterDuff.Mode.SRC_IN);
+          setBackground(backgroundDrawable);
+        }
+      }
+    }
+    for (int i = 0; i < block.getBlockContent().size(); ++i) {
+      if (block.getBlockContent().get(i) instanceof ComplexBlockContent) {
+        if (block.getBlockContent().get(i) instanceof SourceContent) {
+          LinearLayout ll_source = new LinearLayout(getContext());
+          ll_source.setPadding(2, 2, 2, 2);
+          setBackgroundColor(Color.WHITE);
+          TextView tvTextContent = new TextView(getContext());
+          tvTextContent.setText(((SourceContent) block.getBlockContent().get(i)).getValue());
+          ll_source.addView(tvTextContent, getChildCount());
+          addView(ll_source, getChildCount());
+        }
+
+        if (block.getBlockContent().get(i) instanceof SourceContent) {
+          LinearLayout ll_source = new LinearLayout(getContext());
+          ll_source.setPadding(2, 2, 2, 2);
+          setBackgroundColor(Color.WHITE);
+          TextView tvTextContent = new TextView(getContext());
+          tvTextContent.setText(((SourceContent) block.getBlockContent().get(i)).getValue());
+          ll_source.addView(tvTextContent, getChildCount());
+          addView(ll_source, getChildCount());
+        }
+      } else if (block.getBlockContent().get(i) instanceof BlockContent) {
+        TextView tvTextContent = new TextView(getContext());
+        tvTextContent.setText(((BlockContent) block.getBlockContent().get(i)).getText());
+        addView(tvTextContent, getChildCount());
+      }
+    }
+  }
+
+  public String getReturns() {
+    if (returns != null) {
+      return this.returns;
+    }
+    return "";
+  }
+}

app/src/main/java/com/dragon/ide/utils/eventeditor/BlocksListLoader.java

@@ -0,0 +1,55 @@
+package com.dragon.ide.utils.eventeditor;
+
+import builtin.blocks.BuiltInBlocks;
+import static com.dragon.ide.utils.Environments.BLOCKS;
+
+import android.app.Activity;
+import com.dragon.ide.objects.BlocksHolder;
+import java.io.FileInputStream;
+import java.io.ObjectInputStream;
+import java.util.ArrayList;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public class BlocksListLoader {
+
+  public void loadBlocks(Activity activity, Progress progress) {
+    Executor executor = Executors.newSingleThreadExecutor();
+    executor.execute(
+        () -> {
+          ArrayList<BlocksHolder> blocksHolder = new ArrayList<BlocksHolder>();
+
+          ArrayList<BlocksHolder> builtInBlock = BuiltInBlocks.getBuiltInBlocksHolder();
+
+          for (int i = 0; i < builtInBlock.size(); ++i) {
+            blocksHolder.add(builtInBlock.get(i));
+          }
+
+          if (BLOCKS.exists()) {
+            try {
+              FileInputStream fis = new FileInputStream(BLOCKS);
+              ObjectInputStream ois = new ObjectInputStream(fis);
+              Object obj = ois.readObject();
+              if (obj instanceof ArrayList) {
+                for (int i = 0; i < ((ArrayList<BlocksHolder>) obj).size(); ++i) {
+                  blocksHolder.add(((ArrayList<BlocksHolder>) obj).get(i));
+                }
+              } else {
+              }
+              fis.close();
+              ois.close();
+            } catch (Exception e) {
+            }
+          } else {
+          }
+          activity.runOnUiThread(
+              () -> {
+                progress.onCompleteLoading(blocksHolder);
+              });
+        });
+  }
+
+  public interface Progress {
+    void onCompleteLoading(ArrayList<BlocksHolder> holder);
+  }
+}

app/src/main/res/layout/activity_event_editor.xml

@@ -130,7 +130,8 @@
             android:layout_height="match_parent"
             android:layout_width="0dp"
             android:layout_weight="35"
-            android:id="@+id/palleteList" />
+            android:id="@+id/blocksHolderList"
+            android:background="?attr/colorSurface" />
 
         <androidx.recyclerview.widget.RecyclerView
             android:layout_height="match_parent"