Add new class to keep track of settings for a measurement view

android_app/app/src/main/java/com/health/openscale/gui/views/MeasurementViewSettings.java

@@ -0,0 +1,136 @@
+/* Copyright (C) 2018 Erik Johansson <erik@ejohansson.se>
+*
+*    This program is free software: you can redistribute it and/or modify
+*    it under the terms of the GNU General Public License as published by
+*    the Free Software Foundation, either version 3 of the License, or
+*    (at your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*    GNU General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package com.health.openscale.gui.views;
+
+import android.content.SharedPreferences;
+
+import com.health.openscale.core.bodymetric.EstimatedFatMetric;
+import com.health.openscale.core.bodymetric.EstimatedLBWMetric;
+import com.health.openscale.core.bodymetric.EstimatedWaterMetric;
+
+public class MeasurementViewSettings {
+    private SharedPreferences preferences;
+    private String key;
+
+    private static final String PREFERENCE_SUFFIX_ENABLE = "Enable";
+    private static final String PREFERENCE_SUFFIX_IN_OVERVIEW_GRAPH = "InOverviewGraph";
+    private static final String PREFERENCE_SUFFIX_PERCENTAGE_ENABLE = "PercentageEnable";
+    private static final String PREFERENCE_SUFFIX_ESTIMATE_ENABLE = "EstimateEnable";
+    private static final String PREFERENCE_SUFFIX_ESTIMATE_FORMULA = "EstimateFormula";
+
+    public MeasurementViewSettings(SharedPreferences prefs, String key) {
+        preferences = prefs;
+        this.key = key;
+    }
+
+    private String getPreferenceKey(String suffix) {
+        return key + suffix;
+    }
+
+    public String getEnabledKey() {
+        return getPreferenceKey(PREFERENCE_SUFFIX_ENABLE);
+    }
+
+    public boolean isEnabled() {
+        boolean defaultValue;
+        switch (key) {
+            case LBWMeasurementView.KEY:
+            case BoneMeasurementView.KEY:
+            case WaistMeasurementView.KEY:
+            case HipMeasurementView.KEY:
+                defaultValue = false;
+                break;
+            default:
+                defaultValue = true;
+                break;
+        }
+        return preferences.getBoolean(getEnabledKey(), defaultValue);
+    }
+
+    public String getInOverviewGraphKey() {
+        return getPreferenceKey(PREFERENCE_SUFFIX_IN_OVERVIEW_GRAPH);
+    }
+
+    public boolean isOnOverviewGraph() {
+        boolean defaultValue;
+        switch (key) {
+            case BMRMeasurementView.KEY:
+                defaultValue = false;
+                break;
+            default:
+                defaultValue = true;
+                break;
+        }
+        return preferences.getBoolean(getInOverviewGraphKey(), defaultValue);
+    }
+
+    public String getPercentageEnabledKey() {
+        return getPreferenceKey(PREFERENCE_SUFFIX_PERCENTAGE_ENABLE);
+    }
+
+    public boolean isPercentageEnabled() {
+        return preferences.getBoolean(getPercentageEnabledKey(), true);
+    }
+
+    public String getEstimationEnabledKey() {
+        switch (key) {
+            case FatMeasurementView.KEY:
+                return "estimateFatEnable";
+            case LBWMeasurementView.KEY:
+                return "estimateLBWEnable";
+            case WaterMeasurementView.KEY:
+                return "estimateWaterEnable";
+        }
+        return getPreferenceKey(PREFERENCE_SUFFIX_ESTIMATE_ENABLE);
+    }
+
+    public boolean isEstimationEnabled() {
+        return preferences.getBoolean(getEstimationEnabledKey(), false);
+    }
+
+    public String getEstimationFormulaKey() {
+        switch (key) {
+            case FatMeasurementView.KEY:
+                return "estimateFatFormula";
+            case LBWMeasurementView.KEY:
+                return "estimateLBWFormula";
+            case WaterMeasurementView.KEY:
+                return "estimateWaterFormula";
+        }
+        return getPreferenceKey(PREFERENCE_SUFFIX_ESTIMATE_FORMULA);
+    }
+
+    public String getEstimationFormula() {
+        String defaultValue;
+        switch (key) {
+            case FatMeasurementView.KEY:
+                defaultValue = EstimatedFatMetric.FORMULA.BF_GALLAGHER.name();
+                break;
+            case LBWMeasurementView.KEY:
+                defaultValue = EstimatedLBWMetric.FORMULA.LBW_HUME.name();
+                break;
+            case WaterMeasurementView.KEY:
+                defaultValue = EstimatedWaterMetric.FORMULA.TBW_LEESONGKIM.name();
+                break;
+            default:
+                defaultValue = "";
+                break;
+        }
+
+        return preferences.getString(getEstimationFormulaKey(), defaultValue);
+    }
+}