Filtre regex pour limiter le nombre de décimale

JLo'w
1 parent aebe700b
Showing 2 changed files with 37 additions and 1 deletions Show diff stats
PremiereActivite/app/src/main/java/com/example/app_10p5/DecimalDigitsInputFilter.java
PremiereActivite/app/src/main/java/com/example/app_10p5/TabFragment2.java
@@ -0,0 +1,29 @@
+package com.example.app_10p5;
+
+import android.text.InputFilter;
+import android.text.Spanned;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Created by beaus on 02/05/2016.
+ */
+public class DecimalDigitsInputFilter implements InputFilter {
+
+    Pattern mPattern;
+
+    public DecimalDigitsInputFilter(int digitsBeforeZero,int digitsAfterZero) {
+        mPattern= Pattern.compile("[0-9]{0," + (digitsBeforeZero-1) + "}+((\\.[0-9]{0," + (digitsAfterZero-1) + "})?)||(\\.)?");
+    }
+
+    @Override
+    public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
+
+        Matcher matcher=mPattern.matcher(dest);
+        if(!matcher.matches())
+            return "";
+        return null;
+    }
+
+}
@@ -2,9 +2,11 @@ package com.example.app_10p5;
  
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
+import android.text.InputFilter;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.EditText;
  
 /**
  * Created by beaus on 24/04/2016.
@@ -14,6 +16,11 @@ public class TabFragment2 extends Fragment {
  
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.tab_fragment_2, container, false);
+        View v = inflater.inflate(R.layout.tab_fragment_2, container, false);;
+
+        EditText et = (EditText) v.findViewById(R.id.commande_prix);
+        et.setFilters(new InputFilter[]{new DecimalDigitsInputFilter(3, 2)});
+
+        return v;
     }
 }