add card browser

AndroidManifest.xml

@@ -4,6 +4,7 @@
 ~ Copyright (c) 2009 Nicolas Raoul <nicolas.raoul@gmail.com>
 ~ Copyright (c) 2009 Edu Zamora <edu.zasu@gmail.com>
 ~ Copyright (c) 2009 Casey Link <unnamedrambler@gmail.com>
+~ Copyright (c) 2011 Norbert Nagold <norbert.nagold@gmail.com>
 ~
 ~ 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
@@ -40,6 +41,9 @@
 		<activity android:name="DeckPicker" 
 			android:label="DeckPicker"
 			android:configChanges="keyboardHidden|orientation"/>
+		<activity android:name="CardBrowser" 
+			android:label="@string/card_browser_title"
+			android:configChanges="keyboardHidden|orientation"/>
 		<activity android:name="PersonalDeckPicker" 
 			android:label="@string/personaldeckpicker_title"
 			android:configChanges="keyboardHidden|orientation"/>

res/layout/card_browser.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+  	android:layout_width="fill_parent"
+  	android:layout_height="fill_parent"
+  	android:orientation="vertical">
+	<EditText 
+		android:id="@+id/card_browser_search"
+		android:layout_width="fill_parent"
+		android:layout_height="wrap_content"
+		android:lines="1"
+		android:hint="@string/downloaddeck_search"/>
+  	<ListView android:id="@+id/card_browser_list"
+  		android:layout_width="fill_parent"
+    	android:layout_height="wrap_content"
+    	android:fastScrollEnabled="true"/>
+</LinearLayout>

res/layout/card_item.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+  	xmlns:android="http://schemas.android.com/apk/res/android"
+  	android:layout_width="fill_parent"
+  	android:layout_height="wrap_content">
+  	<TextView 
+  		android:id="@+id/card_question"
+		android:layout_width="0dip"
+		android:layout_height="fill_parent"
+		android:layout_weight="1"
+		/>
+  	<TextView 
+  		android:id="@+id/card_answer"
+		android:layout_width="0dip"
+		android:layout_height="fill_parent"
+		android:layout_weight="1"
+		/>
+</LinearLayout>

res/layout/studyoptions.xml

@@ -178,13 +178,21 @@
 			android:textOn="@string/cram" 
 			android:layout_marginBottom="1.5dip"/>
 	</LinearLayout>
-
+	<LinearLayout
+		android:layout_width="fill_parent"
+		android:layout_height="wrap_content">
 		<CheckBox android:id="@+id/studyoptions_night_mode"
-			android:layout_width="wrap_content"
+			android:layout_width="0dip"
 			android:layout_height="wrap_content"
 			android:gravity="center"
 			android:text="@string/studyoptions_night_mode"
 			android:layout_marginLeft="4dip"
+         	android:layout_weight="1"
 			android:textSize="14dip"/>
-
+		<Button android:id="@+id/studyoptions_card_browser"
+         	android:layout_height="fill_parent"
+         	android:layout_width="0dip"
+         	android:layout_weight="1"
+			android:text="card browser"/>
+	</LinearLayout>
 </LinearLayout>

res/values/strings.xml

@@ -187,7 +187,9 @@
 <string name="select_card_model">Select Card Model</string>
 <string name="select">Select</string>
 
-
+<!-- CardBrowser -->
+<string name="card_browser_title">Card Browser</string>
+<string name="card_browser_load">Loading cards</string>
 
 <!-- AnkiDroid.java -->
 <!--<string name="loading_new_card">Loading new card...</string>-->

src/com/ichi2/anki/CardBrowser.java

@@ -0,0 +1,128 @@
+package com.ichi2.anki;
+
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.AdapterView;
+import android.widget.EditText;
+import android.widget.ListView;
+import android.widget.SimpleAdapter;
+import android.widget.AdapterView.OnItemClickListener;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+public class CardBrowser extends Activity {
+    private ArrayList<HashMap<String, String>> mCards;
+    private ArrayList<HashMap<String, String>> mAllCards;
+    private ListView mCardsListView;
+    private SimpleAdapter mCardsAdapter;
+    private EditText mSearchEditText;
+    
+    private ProgressDialog mProgressDialog;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.card_browser);
+
+        mCards = new ArrayList<HashMap<String, String>>();
+        mAllCards = new ArrayList<HashMap<String, String>>();
+        mCardsListView = (ListView) findViewById(R.id.card_browser_list);  
+        
+        mCardsAdapter = new SimpleAdapter(this, mCards,
+                R.layout.card_item, new String[] { "question", "answer" }, new int[] {
+                        R.id.card_question, R.id.card_answer });
+        mCardsAdapter.setViewBinder(new SimpleAdapter.ViewBinder() {
+            @Override
+            public boolean setViewValue(View arg0, Object arg1, String arg2) {
+                return false;
+            }
+        });
+
+        mCardsListView.setAdapter(mCardsAdapter);
+        mCardsListView.setOnItemClickListener(new OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                Intent editCard = new Intent(CardBrowser.this, CardEditor.class);
+                editCard.putExtra("card", Long.parseLong(mCards.get(position).get("id")));
+                startActivityForResult(editCard, 0);
+            }
+        });
+
+        mSearchEditText = (EditText) findViewById(R.id.card_browser_search);
+        mSearchEditText.addTextChangedListener(new TextWatcher() {
+            public void afterTextChanged(Editable s) {
+                mCards.clear();
+            	for (int i = 0; i < mAllCards.size(); i++) {
+                    if (mAllCards.get(i).get("question").toLowerCase().indexOf(mSearchEditText.getText().toString().toLowerCase()) != -1 ||
+                    		mAllCards.get(i).get("answer").toLowerCase().indexOf(mSearchEditText.getText().toString().toLowerCase()) != -1) { 
+                    	mCards.add(mAllCards.get(i));
+                    }
+                }
+            	mCardsAdapter.notifyDataSetChanged();
+            }
+            public void beforeTextChanged(CharSequence s, int start, int count, int after){}
+            public void onTextChanged(CharSequence s, int start, int before, int count){}
+        });
+        getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
+        
+        getCards();
+    }
+
+
+    private void getCards() {
+        DeckTask.launchDeckTask(DeckTask.TASK_LOAD_CARDS, mLoadCardsHandler, new DeckTask.TaskData(AnkiDroidApp.deck(), "answer"));
+    }
+
+
+    DeckTask.TaskListener mLoadCardsHandler = new DeckTask.TaskListener() {
+
+        @Override
+        public void onPreExecute() {
+            mProgressDialog = ProgressDialog.show(CardBrowser.this, "", getResources().getString(R.string.card_browser_load), true);
+        }
+
+
+        @Override
+        public void onPostExecute(DeckTask.TaskData result) {
+        	mAllCards.clear();
+        	ArrayList<String[]> allCards = new ArrayList<String[]>();
+        	allCards.addAll(result.getAllCards());
+
+        	for (String[] item : allCards) {
+        		HashMap<String, String> data = new HashMap<String, String>();
+                data.put("id", item[0]);
+        		data.put("question",  item[1]);
+                data.put("answer",  item[2]);
+            	mAllCards.add(data);
+        	}
+        	mCardsAdapter.notifyDataSetChanged();
+        	mCards.clear();
+        	mCards.addAll(mAllCards);
+        	
+            // This verification would not be necessary if onConfigurationChanged it's executed correctly (which seems
+            // that emulator does not do)
+            if (mProgressDialog.isShowing()) {
+                try {
+                    mProgressDialog.dismiss();
+                } catch (Exception e) {
+                    Log.e(AnkiDroidApp.TAG, "onPostExecute - Dialog dismiss Exception = " + e.getMessage());
+                }
+            }
+        }
+
+
+        @Override
+        public void onProgressUpdate(DeckTask.TaskData... values) {
+        }
+    };
+}

src/com/ichi2/anki/CardEditor.java

@@ -77,8 +77,8 @@ public class CardEditor extends Activity {
         mSave = (Button) findViewById(R.id.CardEditorSaveButton);
         mCancel = (Button) findViewById(R.id.CardEditorCancelButton);
 
-        mEditorCard = Reviewer.getEditorCard();
-
+        mEditorCard = AnkiDroidApp.deck().cardFromId(getIntent().getExtras().getLong("card"));
+      
         // Card -> FactID -> FieldIDs -> FieldModels
 
         Fact cardFact = mEditorCard.getFact();

src/com/ichi2/anki/Deck.java

@@ -2989,6 +2989,31 @@ public class Deck {
     }
 
 
+    public ArrayList<String[]> getAllCards(String order) {
+    	ArrayList<String[]> allCards = new ArrayList<String[]>();
+    	
+        Cursor cur = null;
+        try {
+        	cur = getDB().getDatabase().rawQuery("SELECT id, question, answer FROM cards ORDER BY " + order, null);
+            while (cur.moveToNext()) {
+            	String[] data = new String[3];
+            	data[0] = Long.toString(cur.getLong(0));
+            	data[1] = Utils.stripHTML(cur.getString(1));
+            	data[2] = Utils.stripHTML(cur.getString(2));
+            	allCards.add(data);
+            }
+        } catch (SQLException e) {
+            Log.e(AnkiDroidApp.TAG, "getAllCards: " + e.toString());
+            throw new RuntimeException(e);
+        } finally {
+            if (cur != null && !cur.isClosed()) {
+                cur.close();
+            }
+        }
+    	return allCards;
+    }
+
+
     /*
      * Tags: adding/removing in bulk*********************************************************
      */

src/com/ichi2/anki/DeckTask.java

@@ -17,6 +17,9 @@
 
 package com.ichi2.anki;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+
 import android.database.CursorIndexOutOfBoundsException;
 import android.database.SQLException;
 import android.os.AsyncTask;
@@ -35,6 +38,7 @@ public class DeckTask extends AsyncTask<DeckTask.TaskData, DeckTask.TaskData, De
     public static final int TASK_TYPE_UPDATE_FACT = 5;
     public static final int TASK_TYPE_UNDO = 6;
     public static final int TASK_TYPE_REDO = 7;
+    public static final int TASK_LOAD_CARDS = 8;
 
     /**
      * Possible outputs trying to load a deck.
@@ -116,7 +120,10 @@ public class DeckTask extends AsyncTask<DeckTask.TaskData, DeckTask.TaskData, De
                 return doInBackgroundUndo(params);                
 
             case TASK_TYPE_REDO:
-                return doInBackgroundRedo(params);                
+                return doInBackgroundRedo(params);   
+                
+            case TASK_LOAD_CARDS:
+                return doInBackgroundLoadCards(params);                   
 
             default:
                 return null;
@@ -317,7 +324,17 @@ public class DeckTask extends AsyncTask<DeckTask.TaskData, DeckTask.TaskData, De
 
         return null;
     }
-    
+
+
+    private TaskData doInBackgroundLoadCards(TaskData... params) {
+        Deck deck = params[0].getDeck();
+        String order = params[0].getOrder();
+
+        Log.i(AnkiDroidApp.TAG, "doInBackgroundLoadCards");
+            
+        return new TaskData(deck.getAllCards(order));
+    }
+
 
     public static interface TaskListener {
         public void onPreExecute();
@@ -337,6 +354,8 @@ public class DeckTask extends AsyncTask<DeckTask.TaskData, DeckTask.TaskData, De
         private boolean previousCardLeech;     // answer card resulted in card marked as leech
         private boolean previousCardSuspended; // answer card resulted in card marked as leech and suspended
         private boolean mLastCardInQueue;
+        private ArrayList<String[]> mAllCards;
+        private String mOrder;
 
 
         public TaskData(int value, Deck deck, Card card) {
@@ -362,6 +381,12 @@ public class DeckTask extends AsyncTask<DeckTask.TaskData, DeckTask.TaskData, De
         }
 
 
+        public TaskData(ArrayList<String[]> allCards) {
+        	mAllCards = new ArrayList<String[]>();
+        	mAllCards.addAll(allCards);
+        }
+
+
         public TaskData(Card card, boolean markedLeech, boolean suspendedLeech, boolean lastCardInQueue) {
             mCard = card;
             previousCardLeech = markedLeech;
@@ -370,6 +395,12 @@ public class DeckTask extends AsyncTask<DeckTask.TaskData, DeckTask.TaskData, De
         }
 
 
+        public TaskData(Deck deck, String order) {
+            mDeck = deck;
+            mOrder = order;
+        }
+
+ 
         public TaskData(int value) {
             mInteger = value;
         }
@@ -385,6 +416,16 @@ public class DeckTask extends AsyncTask<DeckTask.TaskData, DeckTask.TaskData, De
         }
 
 
+        public String getOrder() {
+            return mOrder;
+        }
+
+
+        public ArrayList<String[]> getAllCards() {
+        	return mAllCards;
+        }
+
+
         public Card getCard() {
             return mCard;
         }

src/com/ichi2/anki/Reviewer.java

@@ -131,8 +131,6 @@ public class Reviewer extends Activity {
     private static final int HQIA_DO_SHOW = 1;
     private static final int HQIA_CARD_MODEL = 2;
 
-    private static Card sEditorCard; // To be assigned as the currentCard or a new card to be sent to and from editor
-
     private static boolean sDisplayAnswer =  false; // Indicate if "show answer" button has been pressed
 
     /** The percentage of the absolute font size specified in the deck. */
@@ -761,8 +759,9 @@ public class Reviewer extends Activity {
                     cramEditWarning.show();
                     return false;
                 } else {
-                    sEditorCard = mCurrentCard; 
                     Intent editCard = new Intent(Reviewer.this, CardEditor.class);
+
+                	editCard.putExtra("card", mCurrentCard.getId()); 
                     startActivityForResult(editCard, EDIT_CURRENT_CARD);
                     return true;
                 }
@@ -1560,11 +1559,6 @@ public class Reviewer extends Activity {
     }
 
 
-    public static Card getEditorCard() {
-        return sEditorCard;
-    }
-
-
     private int getAvailableWidthInCard() {
         // The width available is equals to
         // the screen's width divided by the default scale factor used by the WebView, because this scale factor will be

src/com/ichi2/anki/StudyOptions.java

@@ -99,6 +99,7 @@ public class StudyOptions extends Activity {
     private static final int DOWNLOAD_SHARED_DECK = 4;
     private static final int REPORT_ERROR = 5;
     private static final int ADD_FACT = 6;
+    private static final int BROWSE_CARDS = 7;
 
     /**
 * Constants for selecting which content view to display
@@ -183,6 +184,7 @@ public class StudyOptions extends Activity {
     private EditText mEditSessionTime;
     private EditText mEditSessionQuestions;
     private CheckBox mNightMode;
+    private Button mCardBrowser;
 
     /**
 * UI elements for "More Options" dialog
@@ -276,6 +278,9 @@ public class StudyOptions extends Activity {
                 case R.id.studyoptions_download_deck:
                 	showDownloadSelector();
                 	return;
+                case R.id.studyoptions_card_browser:
+                    openCardBrowser();
+                    return;
                 default:
                     return;
             }
@@ -564,6 +569,7 @@ public class StudyOptions extends Activity {
 
         mButtonStart = (Button) mStudyOptionsView.findViewById(R.id.studyoptions_start);
         mToggleCram = (ToggleButton) mStudyOptionsView.findViewById(R.id.studyoptions_cram);
+        mCardBrowser = (Button) mStudyOptionsView.findViewById(R.id.studyoptions_card_browser);
 
         mTextReviewsDue = (TextView) mStudyOptionsView.findViewById(R.id.studyoptions_reviews_due);
         mTextNewToday = (TextView) mStudyOptionsView.findViewById(R.id.studyoptions_new_today);
@@ -587,7 +593,8 @@ public class StudyOptions extends Activity {
 
         mButtonStart.setOnClickListener(mButtonClickListener);
         mToggleCram.setOnClickListener(mButtonClickListener);
-
+        mCardBrowser.setOnClickListener(mButtonClickListener);
+        
         mEditNewPerDay.addTextChangedListener(new TextWatcher() {
         	public void afterTextChanged(Editable s) {
                 Deck deck = AnkiDroidApp.deck();
@@ -1112,6 +1119,14 @@ public class StudyOptions extends Activity {
         // Log.i(AnkiDroidApp.TAG, "openDeckPicker - Ending");
     }
 
+
+    private void openCardBrowser() {
+        Intent cardBrowser = new Intent(StudyOptions.this, CardBrowser.class);
+        cardBrowser.putExtra("deckFilename", mDeckFilename);
+        startActivityForResult(cardBrowser, BROWSE_CARDS);
+    }
+
+
     public void openPersonalDeckPicker() {
         if (AnkiDroidApp.isUserLoggedIn()) {
             if (AnkiDroidApp.deck() != null)// && sdCardAvailable)