Implement filter by colors

app/src/main/java/org/isoron/uhabits/models/HabitMatcher.java

@@ -19,6 +19,10 @@
 
 package org.isoron.uhabits.models;
 
+import android.support.annotation.*;
+
+import java.util.*;
+
 import static org.isoron.uhabits.models.Checkmark.*;
 
 public class HabitMatcher
@@ -34,13 +38,22 @@ public class HabitMatcher
 
     private final boolean completedAllowed;
 
+    private final List<Integer> allowedColors;
+
     public HabitMatcher(boolean allowArchived,
                         boolean reminderRequired,
-                        boolean completedAllowed)
+                        boolean completedAllowed,
+                        @NonNull List<Integer> allowedColors)
     {
         this.archivedAllowed = allowArchived;
         this.reminderRequired = reminderRequired;
         this.completedAllowed = completedAllowed;
+        this.allowedColors = allowedColors;
+    }
+
+    public List<Integer> getAllowedColors()
+    {
+        return allowedColors;
     }
 
     public boolean isArchivedAllowed()
@@ -65,7 +78,7 @@ public class HabitMatcher
 
         int todayCheckmark = habit.getCheckmarks().getTodayValue();
         if (todayCheckmark != UNCHECKED && !isCompletedAllowed()) return false;
-
+        if(!allowedColors.contains(habit.getColor())) return false;
         return true;
     }
 }

app/src/main/java/org/isoron/uhabits/models/HabitMatcherBuilder.java

@@ -19,6 +19,10 @@
 
 package org.isoron.uhabits.models;
 
+import org.isoron.uhabits.utils.*;
+
+import java.util.*;
+
 public class HabitMatcherBuilder
 {
     private boolean archivedAllowed = false;
@@ -27,10 +31,20 @@ public class HabitMatcherBuilder
 
     private boolean completedAllowed = true;
 
+    private List<Integer> allowedColors = allColors();
+
+    private static List<Integer> allColors()
+    {
+        List<Integer> colors = new ArrayList<>();
+        for(int i = 0; i < ColorUtils.CSV_PALETTE.length; i++)
+            colors.add(i);
+        return colors;
+    }
+
     public HabitMatcher build()
     {
         return new HabitMatcher(archivedAllowed, reminderRequired,
-            completedAllowed);
+            completedAllowed, allowedColors);
     }
 
     public HabitMatcherBuilder setArchivedAllowed(boolean archivedAllowed)
@@ -39,6 +53,12 @@ public class HabitMatcherBuilder
         return this;
     }
 
+    public HabitMatcherBuilder setAllowedColors(List<Integer> allowedColors)
+    {
+        this.allowedColors = allowedColors;
+        return this;
+    }
+
     public HabitMatcherBuilder setCompletedAllowed(boolean completedAllowed)
     {
         this.completedAllowed = completedAllowed;

app/src/main/java/org/isoron/uhabits/ui/habits/list/ListHabitsActivity.java

@@ -61,9 +61,14 @@ public class ListHabitsActivity extends BaseActivity
         system = new BaseSystem(this);
         adapter = new HabitCardListAdapter(habits, checkmarkCount);
 
+//        List<Integer> colors = new ArrayList<>();
+//        colors.add(0);
+//        colors.add(1);
+//        colors.add(2);
+//
 //        HabitMatcher matcher = new HabitMatcherBuilder()
-//            .setCompletedAllowed(false)
 //            .setArchivedAllowed(false)
+//            .setAllowedColors(colors)
 //            .build();
 //        adapter.setFilter(matcher);