Ported to latest version of Android SDK

[logicplayer.git] / mainActivity / app / src / main / java / com / example / furt / myapplication / FormulaAnd.java

diff --git a/mainActivity/app/src/main/java/com/example/furt/myapplication/FormulaAnd.java b/mainActivity/app/src/main/java/com/example/furt/myapplication/FormulaAnd.java
new file mode 100644 (file)
index 0000000..fe75584
--- /dev/null
+++ b/mainActivity/app/src/main/java/com/example/furt/myapplication/FormulaAnd.java
@@ -0,0 +1,77 @@
+package com.example.furt.myapplication;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class FormulaAnd extends GenericFormula implements Formula
+{
+    Formula leftF;
+    Formula rightF;
+    int leftPriority;
+    int rightPriority;
+    FormulaAnd(Formula F1,Formula F2)
+    {
+        leftF=F1;
+        rightF=F2;
+        priority=15;
+        leftPriority=15;
+        rightPriority=16;
+    }
+    @Override
+    public String Draw(int p)
+    {
+        if (priority >= p)
+            return leftF.Draw(leftPriority)+"∧"+rightF.Draw(rightPriority);
+        else
+            return("(")+leftF.Draw(leftPriority)+"∧"+rightF.Draw(rightPriority)+")";
+    }
+
+    @Override
+    public List<IntroductionRule> introductionRules()
+    {
+        List<IntroductionRule> rules=new ArrayList<IntroductionRule>();
+        rules.addAll(super.introductionRules());
+
+        //Regola di introduzione dell'And
+        RuleIntroduction andIntroduction=new RuleIntroduction("∧i",5);
+        Node Left=new Node(leftF);
+        Node Right=new Node(rightF);
+        Node thisNode=new Node(this);
+        thisNode.addChild(Left);
+        thisNode.addChild(Right);
+        andIntroduction.tempRule=thisNode;
+        rules.add(andIntroduction);
+
+        return rules;
+    }
+    public List<EliminationRule> EliminationRules()
+    {
+        List<EliminationRule> nodes=new ArrayList<EliminationRule>();
+        nodes.add(new RuleAndElimination(this));
+        return nodes;
+    }
+
+    @Override
+    public boolean Fill(Formula Filler) {
+        if(leftF.toString().equals("_")) {
+            this.leftF = Filler;
+            return true;
+        }
+        else if(rightF.toString().equals("_")) {
+            this.rightF = Filler;
+            return true;
+        }
+        return leftF.Fill(Filler) || rightF.Fill(Filler);
+    }
+
+    @Override
+    public boolean setCursor() {
+        return leftF.setCursor() || rightF.setCursor();
+    }
+
+    @Override
+    public Formula duplicate() {
+        return new FormulaAnd(leftF.duplicate(),rightF.duplicate());
+    }
+}
+