icon in note overview if note has attachments

app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "org.kore.kolabnotes.android"
         minSdkVersion 16
         targetSdkVersion 23
-        versionCode 73
-        versionName "2.0.8"
+        versionCode 74
+        versionName "2.1.0"
 
         //Running test
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

app/src/main/java/org/kore/kolabnotes/android/adapter/NoteAdapter.java

@@ -11,6 +11,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewParent;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
@@ -25,6 +26,7 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 
 public class NoteAdapter extends SelectableAdapter<NoteAdapter.ViewHolder> {
 
@@ -34,17 +36,19 @@ public class NoteAdapter extends SelectableAdapter<NoteAdapter.ViewHolder> {
     private ViewHolder.ClickListener clickListener;
     private DateFormat dateFormatter;
     private int COLOR_SELECTED_NOTE;
+    private Set<String> notesWithAttachment;
 
     private List<ViewHolder> views;
 
-    public NoteAdapter(List<Note> notes, int rowLayout, Context context, ViewHolder.ClickListener clickListener) {
+    public NoteAdapter(List<Note> notes, int rowLayout, Context context, ViewHolder.ClickListener clickListener, Set<String> notesWithAttachment) {
         this.notes = notes;
         this.rowLayout = rowLayout;
         this.context = context;
         this.clickListener = clickListener;
         this.dateFormatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
         views = new ArrayList<>(notes.size());
         COLOR_SELECTED_NOTE = ContextCompat.getColor(context, R.color.theme_selected_notes);
+        this.notesWithAttachment = notesWithAttachment;
     }
 
     public void clearNotes() {
@@ -108,7 +112,7 @@ public void onBindViewHolder(final ViewHolder viewHolder, int i) {
         viewHolder.name.setText(note.getSummary());
         viewHolder.classification.setText(context.getResources().getString(R.string.classification)+": "+note.getClassification());
         viewHolder.createdDate.setText(context.getResources().getString(R.string.creationDate)+": "+ dateFormatter.format(note.getAuditInformation().getCreationDate()));
-        viewHolder.modificationDate.setText(context.getResources().getString(R.string.modificationDate)+": "+dateFormatter.format(note.getAuditInformation().getLastModificationDate()));
+        viewHolder.modificationDate.setText(context.getResources().getString(R.string.modificationDate) + ": " + dateFormatter.format(note.getAuditInformation().getLastModificationDate()));
         viewHolder.categories.removeAllViews();
 
         boolean useLightColor = Utils.useLightTextColor(context, note.getColor());
@@ -239,6 +243,18 @@ public void onBindViewHolder(final ViewHolder viewHolder, int i) {
         }else{
             viewHolder.hideCharacteristics();
         }
+
+        if(notesWithAttachment.contains(note.getIdentification().getUid())){
+            viewHolder.attachmentImage.setVisibility(View.VISIBLE);
+
+            if(useLightColor){
+                viewHolder.attachmentImage.setImageDrawable(context.getResources().getDrawable(R.drawable.ic_attach_file_white_24dp));
+            }
+        }
+    }
+
+    public void setNotesWithAttachment(Set<String> ids){
+        this.notesWithAttachment = ids;
     }
 
     public void restoreElevation(RecyclerView recyclerView){
@@ -267,6 +283,7 @@ public static class ViewHolder extends RecyclerView.ViewHolder implements View.O
         TextView modificationDate;
         LinearLayout categories;
         CardView cardView;
+        ImageView attachmentImage;
         private ClickListener listener;
         private List<Note> notes;
 
@@ -285,6 +302,7 @@ public ViewHolder(View itemView, ClickListener listener, List<Note> notes) {
             modificationDate = (TextView) itemView.findViewById(R.id.modificationDate);
             categories = (LinearLayout) itemView.findViewById(R.id.categories);
             cardView = (CardView)itemView;
+            attachmentImage = (ImageView)itemView.findViewById(R.id.attachmentHint);
         }
 
         @Override

app/src/main/java/org/kore/kolabnotes/android/content/AttachmentRepository.java

@@ -35,7 +35,10 @@
 import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 /**
  * Created by koni on 12.03.15.
@@ -258,6 +261,25 @@ public boolean hasNoteAttachments(String account, String rootFolder, String note
         return ret;
     }
 
+    public Set<String> getNoteIDsWithAttachments(String account, String rootFolder) {
+        Cursor cursor = ConnectionManager.getDatabase(context).query(DatabaseHelper.TABLE_ATTACHMENT,
+                new String[]{DatabaseHelper.COLUMN_IDNOTE},
+                DatabaseHelper.COLUMN_ACCOUNT + " = '" + account + "' AND " +
+                        DatabaseHelper.COLUMN_ROOT_FOLDER + " = '" + rootFolder + "' ",
+                null,
+                null,
+                null,
+                null);
+
+        HashSet<String> ids = new HashSet<>();
+        while(cursor.moveToNext()){
+            ids.add(cursor.getString(0));
+        }
+
+        cursor.close();
+        return ids;
+    }
+
     public boolean attachmentsCreatedAfterLastSync(String account, String rootFolder, String noteUID, Date date) {
         List<Attachment> attachments = new ArrayList<Attachment>();
 

app/src/main/java/org/kore/kolabnotes/android/fragment/OverviewFragment.java

@@ -283,8 +283,9 @@ public void onActivityCreated(Bundle savedInstanceState) {
         mRecyclerView.setLayoutManager(new LinearLayoutManager(activity));
         //mRecyclerView.setItemAnimator(new CustomItemAnimator());
         //mRecyclerView.setItemAnimator(new ReboundItemAnimator());
+        final ActiveAccount activeAccount = activeAccountRepository.getActiveAccount();
 
-        mAdapter = new NoteAdapter(new ArrayList<Note>(), R.layout.row_note_overview, activity, this);
+        mAdapter = new NoteAdapter(new ArrayList<Note>(), R.layout.row_note_overview, activity, this, attachmentRepository.getNoteIDsWithAttachments(activeAccount.getAccount(),activeAccount.getRootFolder()));
         mRecyclerView.setAdapter(mAdapter);
 
         mSwipeRefreshLayout = (SwipeRefreshLayout) getActivity().findViewById(R.id.swipe_container);
@@ -1678,9 +1679,15 @@ final synchronized void reloadData(List<Notebook> notebooks, List<Note> notes, M
         orderDrawerItems(tags, mDrawer);
 
         if(mAdapter == null){
-            mAdapter = new NoteAdapter(new ArrayList<Note>(), R.layout.row_note_overview, activity, this);
+            final ActiveAccount activeAccount = activeAccountRepository.getActiveAccount();
+            mAdapter = new NoteAdapter(new ArrayList<Note>(), R.layout.row_note_overview, activity, this, attachmentRepository.getNoteIDsWithAttachments(activeAccount.getAccount(),activeAccount.getRootFolder()));
+        }else{
+            final ActiveAccount activeAccount = activeAccountRepository.getActiveAccount();
+            mAdapter.setNotesWithAttachment(attachmentRepository.getNoteIDsWithAttachments(activeAccount.getAccount(),activeAccount.getRootFolder()));
         }
 
+
+
         mAdapter.clearNotes();
         if(notes.size() == 0){
             mAdapter.notifyDataSetChanged();

app/src/main/res/layout/row_note_overview.xml

@@ -19,14 +19,30 @@
         android:orientation="horizontal"
         android:columnCount="1">
 
-        <TextView
-            android:id="@+id/noteSummary"
+        <LinearLayout android:id="@+id/summaryLine"
+            android:orientation="horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
             android:layout_row="0"
-            android:layout_rowSpan="2"
-            style="@style/NoteOverviewSummary"
-            android:clickable="false"
-            android:background="@drawable/button_rect_list_normal"
-            />
+            android:layout_rowSpan="2">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:src="@drawable/ic_attach_file_black_24dp"
+                android:id="@+id/attachmentHint"
+                android:visibility="gone"/>
+
+            <TextView
+                android:id="@+id/noteSummary"
+                style="@style/NoteOverviewSummary"
+                android:layout_height="match_parent"
+                android:layout_width="match_parent"
+                android:clickable="false"
+                android:background="@drawable/button_rect_list_normal"
+                />
+
+        </LinearLayout>
 
         <LinearLayout
             android:id="@+id/categories"