Make "Display hidden components in Viewer" checkbox screen-dependent (#1852)

* Cache checkbox state for each screen
* Make hidden components checkbox screen-dependent

appinventor/appengine/src/com/google/appinventor/client/editor/ProjectEditor.java

@@ -23,6 +23,8 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
 
 /**
  * Abstract superclass for all project editors.
@@ -50,6 +52,7 @@ public abstract class ProjectEditor extends Composite {
   private final HashMap<String,String> locationHashMap = new HashMap<String,String>();
   private final DeckPanel deckPanel;
   private FileEditor selectedFileEditor;
+  private final TreeMap<String, Boolean> screenHashMap = new TreeMap<String, Boolean>();
 
   /**
    * Creates a {@code ProjectEditor} instance.
@@ -99,6 +102,41 @@ public abstract class ProjectEditor extends Composite {
    */
   protected abstract void onHide();
 
+  public final void setScreenCheckboxState(String screen, Boolean isChecked) {
+    screenHashMap.put(screen, isChecked);
+  }
+
+  public final Boolean getScreenCheckboxState(String screen) {
+    return screenHashMap.get(screen);
+  }
+
+  public final String getScreenCheckboxMapString() {
+    String screenCheckboxMap = "";
+    int count = 0;
+    Set<String> screens = screenHashMap.keySet();
+    int size = screens.size();
+    for (String screen : screens) {
+      Boolean isChecked = screenHashMap.get(screen);
+      if (isChecked == null) {
+        continue;
+      }
+      String isCheckedString = (isChecked) ? "True" : "False";
+      String separator = (count == size) ? "" : " ";
+      screenCheckboxMap += screen + ":" + isCheckedString + separator;
+    }
+    return screenCheckboxMap;
+  }
+
+  public final void buildScreenHashMap(String screenCheckboxMap) {
+    String[] pairs = screenCheckboxMap.split(" ");
+    for (String pair : pairs) {
+      String[] mapping = pair.split(":");
+      String screen = mapping[0];
+      Boolean isChecked = Boolean.parseBoolean(mapping[1]);
+      screenHashMap.put(screen, isChecked);
+    }
+  }
+
   /**
    * Adds a file editor to this project editor.
    *

appinventor/appengine/src/com/google/appinventor/client/editor/simple/SimpleVisibleComponentsPanel.java

@@ -10,6 +10,7 @@ import com.google.gwt.event.dom.client.ChangeEvent;
 import com.google.gwt.event.dom.client.ChangeHandler;
 import static com.google.appinventor.client.Ode.MESSAGES;
 import com.google.appinventor.client.editor.ProjectEditor;
+import com.google.appinventor.client.editor.simple.components.MockComponent;
 import com.google.appinventor.client.editor.simple.components.MockForm;
 import com.google.appinventor.client.editor.simple.palette.SimplePaletteItem;
 import com.google.appinventor.client.explorer.project.ComponentDatabaseChangeListener;
@@ -24,7 +25,6 @@ import com.google.gwt.user.client.ui.VerticalPanel;
 import com.google.gwt.user.client.ui.Widget;
 import com.google.gwt.user.client.ui.ListBox;
 
-
 import java.util.List;
 import java.util.Map;
 
@@ -65,22 +65,28 @@ public final class SimpleVisibleComponentsPanel extends Composite implements Dro
     checkboxShowHiddenComponents = new CheckBox(MESSAGES.showHiddenComponentsCheckbox()) {
       @Override
       protected void onLoad() {
-        // onLoad is called immediately after a widget becomes attached to the browser's document.
-        boolean showHiddenComponents = Boolean.parseBoolean(
-            projectEditor.getProjectSettingsProperty(
+        // Get project settings
+        String screenCheckboxMap = projectEditor.getProjectSettingsProperty(
           SettingsConstants.PROJECT_YOUNG_ANDROID_SETTINGS, 
-            SettingsConstants.YOUNG_ANDROID_SETTINGS_SHOW_HIDDEN_COMPONENTS));
-        checkboxShowHiddenComponents.setValue(showHiddenComponents);
+          SettingsConstants.YOUNG_ANDROID_SETTINGS_SCREEN_CHECKBOX_STATE_MAP
+        );
+        if (screenCheckboxMap != null && !screenCheckboxMap.equals("")) {
+          projectEditor.buildScreenHashMap(screenCheckboxMap);
+          Boolean isChecked = projectEditor.getScreenCheckboxState(form.getTitle());
+          checkboxShowHiddenComponents.setValue(isChecked);
+        }
       }
     };
     checkboxShowHiddenComponents.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
       @Override
       public void onValueChange(ValueChangeEvent<Boolean> event) {
-        boolean isChecked = event.getValue(); // auto-unbox from Boolean to boolean
+        boolean isChecked = event.getValue();
+        projectEditor.setScreenCheckboxState(form.getTitle(), isChecked);
         projectEditor.changeProjectSettingsProperty(
           SettingsConstants.PROJECT_YOUNG_ANDROID_SETTINGS, 
-            SettingsConstants.YOUNG_ANDROID_SETTINGS_SHOW_HIDDEN_COMPONENTS,
-            isChecked ? "True" : "False");
+          SettingsConstants.YOUNG_ANDROID_SETTINGS_SCREEN_CHECKBOX_STATE_MAP, 
+          projectEditor.getScreenCheckboxMapString()
+        );
         if (form != null) {
           form.refresh();
         }
@@ -125,6 +131,10 @@ public final class SimpleVisibleComponentsPanel extends Composite implements Dro
     initWidget(phoneScreen);
   }
 
+  public boolean isHiddenComponentsCheckboxChecked() {
+    return checkboxShowHiddenComponents.getValue();
+  }
+
   // get width and height stored in user settings, and change the preview size.
   private void getUserSettingChangeSize() {
     String val = projectEditor.getProjectSettingsProperty(SettingsConstants.PROJECT_YOUNG_ANDROID_SETTINGS,

appinventor/appengine/src/com/google/appinventor/client/editor/simple/components/MockComponent.java

@@ -12,6 +12,7 @@ import com.google.appinventor.client.editor.simple.SimpleComponentDatabase;
 import com.google.appinventor.client.ComponentsTranslation;
 import com.google.appinventor.client.Images;
 import com.google.appinventor.client.Ode;
+import com.google.appinventor.client.editor.ProjectEditor;
 import com.google.appinventor.client.editor.simple.SimpleEditor;
 import com.google.appinventor.client.editor.simple.components.utils.PropertiesUtil;
 import com.google.appinventor.client.editor.youngandroid.YaBlocksEditor;
@@ -1023,11 +1024,8 @@ public abstract class MockComponent extends Composite implements PropertyChangeL
       // If this component's visible property is false, we need to check whether to show hidden
       // components.
       if (!visible) {
-        boolean showHiddenComponents = Boolean.parseBoolean(
-            editor.getProjectEditor().getProjectSettingsProperty(
-            SettingsConstants.PROJECT_YOUNG_ANDROID_SETTINGS,
-            SettingsConstants.YOUNG_ANDROID_SETTINGS_SHOW_HIDDEN_COMPONENTS));
-        return showHiddenComponents;
+        YaFormEditor formEditor = (YaFormEditor) editor;
+        return formEditor.shouldDisplayHiddenComponents();
       }
     }
     return true;

appinventor/appengine/src/com/google/appinventor/client/editor/simple/components/MockForm.java

@@ -61,6 +61,10 @@ public final class MockForm extends MockContainer {
     private boolean actionBar;
     private String backgroundColor;
 
+    public String getTitle() {
+      return title.getText();
+    }
+
     /*
      * Creates a new title bar.
      */

appinventor/appengine/src/com/google/appinventor/client/editor/youngandroid/YaFormEditor.java

@@ -187,6 +187,10 @@ public final class YaFormEditor extends SimpleEditor implements FormChangeListen
     setSize("100%", "100%");
   }
 
+  public boolean shouldDisplayHiddenComponents() {
+    return visibleComponentsPanel.isHiddenComponentsCheckboxChecked();
+  }
+
   // FileEditor methods
 
   @Override

appinventor/appengine/src/com/google/appinventor/client/settings/project/YoungAndroidSettings.java

@@ -30,6 +30,9 @@ public final class YoungAndroidSettings extends Settings {
     addProperty(new EditableProperty(this,
         SettingsConstants.YOUNG_ANDROID_SETTINGS_SHOW_HIDDEN_COMPONENTS,
         "False", EditableProperty.TYPE_INVISIBLE));
+    addProperty(new EditableProperty(this,
+        SettingsConstants.YOUNG_ANDROID_SETTINGS_SCREEN_CHECKBOX_STATE_MAP,
+        "", EditableProperty.TYPE_INVISIBLE));
     addProperty(new EditableProperty(this,
         SettingsConstants.YOUNG_ANDROID_SETTINGS_PHONE_TABLET,
         "False", EditableProperty.TYPE_INVISIBLE));

appinventor/appengine/src/com/google/appinventor/shared/settings/SettingsConstants.java

@@ -45,6 +45,7 @@ public class SettingsConstants {
   // Project settings
   public static final String YOUNG_ANDROID_SETTINGS_ICON = "Icon";
   public static final String YOUNG_ANDROID_SETTINGS_SHOW_HIDDEN_COMPONENTS = "ShowHiddenComponents";
+  public static final String YOUNG_ANDROID_SETTINGS_SCREEN_CHECKBOX_STATE_MAP = "ScreenCheckboxStateMap";
   public static final String YOUNG_ANDROID_SETTINGS_PHONE_TABLET = "PhoneTablet";
   public static final String YOUNG_ANDROID_SETTINGS_VERSION_CODE = "VersionCode";
   public static final String YOUNG_ANDROID_SETTINGS_VERSION_NAME = "VersionName";