apps/Development/src/com/android/development/EnterURL.java - platform/development - Git at Google

 /* //device/apps/Notes/NotesList.java
 **
 ** Copyright 2006, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
 ** Unless required by applicable law or agreed to in writing, software
 ** distributed under the License is distributed on an "AS IS" BASIS,
 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ** See the License for the specific language governing permissions and
 ** limitations under the License.
 */
 package com.android.development;

 import android.app.ListActivity;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.net.Uri;
 import android.os.Bundle;
 import android.text.Editable;
 import android.text.Selection;
 import android.text.format.DateUtils;
 import android.util.AttributeSet;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.EditText;
 import android.widget.ListView;
 import android.widget.SimpleAdapter;
 import android.graphics.Rect;

 import java.io.FileNotFoundException;
 import java.util.ArrayList;
 import java.util.GregorianCalendar;
 import java.util.HashMap;

 public class EnterURL extends ListActivity
 {
     private static final int DATABASE_VERSION = 1;
     public static class UrlEditText extends EditText
     {
         public UrlEditText(Context context, AttributeSet attrs)
         {
             super(context, attrs);
         }

         @Override
         protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect)
         {
             super.onFocusChanged(focused, direction, previouslyFocusedRect);
             if (focused) {
                 Editable text = getText();
                 String str = text.toString();
                 int highlightStart = 0;
                 if (str.startsWith("content://")) {
                     highlightStart = "content://".length();
                 }
                 Selection.setSelection(text, highlightStart, text.length());
             }
         }
     }

     public static class DisplayEditText extends EditText
     {
         public DisplayEditText(Context context, AttributeSet attrs)
         {
             super(context, attrs);
         }

         @Override
         protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect)
         {
             super.onFocusChanged(focused, direction, previouslyFocusedRect);
             if (focused) {
                 Editable text = getText();
                 Selection.setSelection(text, 0, text.length());
             }
         }
     }

     @Override
     public View onCreateView(String name, Context context, AttributeSet attrs)
     {
         if (name.equals("com.android.development.UrlEditText")) {
             return new UrlEditText(this, attrs);
         }
         if (name.equals("com.android.development.DisplayEditText")) {
             return new DisplayEditText(this, attrs);
         }
         return null;
     }

     View.OnClickListener mViewItemAction = new View.OnClickListener () {
         public void onClick(View v)
         {
             String url = mUrlField.getText().toString();
             String display = mDisplayField.getText().toString();
             viewItem(url, display);
         }
     };

     public void onCreate(Bundle icicle)
     {
         super.onCreate(icicle);
         setContentView(R.layout.enter_url);

         // display
         mDisplayField = (DisplayEditText)findViewById(R.id.display_edit_text);
         mDisplayField.setOnClickListener(mViewItemAction);
         // url
         mUrlField = (UrlEditText)findViewById(R.id.url_edit_text);
         mUrlField.setOnClickListener(mViewItemAction);
     }

     public void onStop()
     {
         super.onStop();

         if (mCursor != null) {
             mCursor.deactivate();
         }
     }

     public void onResume()
     {
         super.onResume();

         // show the history
         loadPrefs();
         fillListView();
         if (mHistory.size() > 0) {
             ListView lv = this.getListView();
             lv.setSelection(0);
             lv.requestFocus();
         }
     }

     public boolean onCreateOptionsMenu(Menu menu)
     {
         super.onCreateOptionsMenu(menu);
         menu.add(0, 0, 0, "Clear Bookmarks").setOnMenuItemClickListener(mClearBookmarks);
         return true;
     }

     protected void onListItemClick(ListView l, View v, int position, long id)
     {
         HistoryEntry he = mHistory.get(position);
         viewItem(he.url, he.display);
     }

     private final void viewItem(String url, String display)
     {
         // -------------- save this in the history ----------------
         // look in the history
         int count = mHistory.size();
         int i;
         for (i=0; i<count; i++) {
             HistoryEntry he = mHistory.get(i);
             if (he.url.equals(url) && he.display.equals(display)) {
                 he.updateAccessTime();
                 mHistory.remove(i);
                 mHistory.add(0, he);
                 break;
             }
         }
         if (i >= count) {
             // didn't find it, add it first
             HistoryEntry he = new HistoryEntry();
             he.url = url;
             he.display = display;
             he.updateAccessTime();
             mHistory.add(0, he);
         }

         savePrefs();

         // -------------- view it ---------------------------------
         Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
         intent.setClass(this, DataList.class);
         intent.putExtra("display", display);
         startActivity(intent);
     }

     MenuItem.OnMenuItemClickListener mClearBookmarks = new MenuItem.OnMenuItemClickListener() {
         public boolean onMenuItemClick(MenuItem item) {
             mHistory.clear();
             savePrefs();
             fillListView();
             return true;
         }
     };

     private void fillListView()
     {
         loadPrefs();
         ArrayList<HashMap<String, String>> d = new ArrayList<HashMap<String, String>>();
         int count = mHistory.size();
         for (int i=0; i<count; i++) {
             HashMap<String, String> m = new HashMap<String, String>();
             HistoryEntry he = mHistory.get(i);
             m.put("title", he.url + " (" + he.display + ")");
             d.add(m);
         }
         setListAdapter(new SimpleAdapter(this, d, R.layout.url_list,
                                          new String[] {"title"},
                                          new int[] {android.R.id.text1}));
     }

     SQLiteDatabase openDB()
     {
         SQLiteDatabase db = null;
         db = openOrCreateDatabase("inspector.db", 0, null);
         int version = db.getVersion();
         if (version != DATABASE_VERSION) {
             db.execSQL("CREATE TABLE History ("
                         + " url TEXT,"
                         + " display TEXT,"
                         + " lastAccessTime TEXT"
                         + ");");
             db.execSQL("CREATE TABLE FieldState ("
                         + " url TEXT,"
                         + " display TEXT"
                         + ");");
             db.setVersion(DATABASE_VERSION);
         }
         return db;
     }

     private void loadPrefs()
     {
         SQLiteDatabase db = openDB();
         Cursor c = db.query("History",
                             new String[] { "url", "display", "lastAccessTime" },
                             null, null, null, null, "lastAccessTime DESC");
         int urlCol = c.getColumnIndex("url");
         int accessCol = c.getColumnIndex("lastAccessTime");
         int displayCol = c.getColumnIndex("display");
         mHistory.clear();
         while (c.moveToNext()) {
             HistoryEntry he = new HistoryEntry();
             he.url = c.getString(urlCol);
             he.display = c.getString(displayCol);
             he.lastAccessTime = c.getString(accessCol);
             mHistory.add(he);
         }

         c = db.query("FieldState", null, null, null, null, null, null);
         if (c.moveToNext()) {
             urlCol = c.getColumnIndex("url");
             displayCol = c.getColumnIndex("display");
             mUrlField.setText(c.getString(urlCol));
             mDisplayField.setText(c.getString(displayCol));
         } else {
             mDisplayField.setText("_id");
             mUrlField.setText("content://");
         }

         db.close();
     }

     private void savePrefs()
     {
         ContentValues m;
         HistoryEntry he;

         SQLiteDatabase db = openDB();
         db.execSQL("DELETE FROM History;");
         int count = mHistory.size();
         for (int i=0; i<count; i++) {
             m = new ContentValues();
             he = mHistory.get(i);
             m.put("url", he.url);
             m.put("display", he.display);
             m.put("lastAccessTime", he.lastAccessTime);
             db.insert("History", null, m);
         }

         db.execSQL("DELETE FROM FieldState");
         m = new ContentValues();
         m.put("url", mUrlField.getText().toString());
         m.put("display", mDisplayField.getText().toString());
         db.insert("FieldState", null, m);

         db.close();
     }

     private class HistoryEntry
     {
         public String url;
         public String display;
         public String lastAccessTime;
         public void updateAccessTime()
         {
             this.lastAccessTime = DateUtils.writeDateTime(
                                                     new GregorianCalendar());
         }
     }

     private ArrayList<HistoryEntry> mHistory = new ArrayList<HistoryEntry>();
     private UrlEditText mUrlField;
     private DisplayEditText mDisplayField;
     private Cursor mCursor;
 }
	/* //device/apps/Notes/NotesList.java
	**
	** Copyright 2006, The Android Open Source Project
	**
	** Licensed under the Apache License, Version 2.0 (the "License");
	** you may not use this file except in compliance with the License.
	** You may obtain a copy of the License at
	**
	** http://www.apache.org/licenses/LICENSE-2.0
	**
	** Unless required by applicable law or agreed to in writing, software
	** distributed under the License is distributed on an "AS IS" BASIS,
	** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	** See the License for the specific language governing permissions and
	** limitations under the License.
	*/
	package com.android.development;

	import android.app.ListActivity;
	import android.content.ContentValues;
	import android.content.Context;
	import android.content.Intent;
	import android.database.Cursor;
	import android.database.sqlite.SQLiteDatabase;
	import android.net.Uri;
	import android.os.Bundle;
	import android.text.Editable;
	import android.text.Selection;
	import android.text.format.DateUtils;
	import android.util.AttributeSet;
	import android.view.Menu;
	import android.view.MenuItem;
	import android.view.View;
	import android.widget.EditText;
	import android.widget.ListView;
	import android.widget.SimpleAdapter;
	import android.graphics.Rect;

	import java.io.FileNotFoundException;
	import java.util.ArrayList;
	import java.util.GregorianCalendar;
	import java.util.HashMap;

	public class EnterURL extends ListActivity
	{
	private static final int DATABASE_VERSION = 1;
	public static class UrlEditText extends EditText
	{
	public UrlEditText(Context context, AttributeSet attrs)
	{
	super(context, attrs);
	}

	@Override
	protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect)
	{
	super.onFocusChanged(focused, direction, previouslyFocusedRect);
	if (focused) {
	Editable text = getText();
	String str = text.toString();
	int highlightStart = 0;
	if (str.startsWith("content://")) {
	highlightStart = "content://".length();
	}
	Selection.setSelection(text, highlightStart, text.length());
	}
	}
	}

	public static class DisplayEditText extends EditText
	{
	public DisplayEditText(Context context, AttributeSet attrs)
	{
	super(context, attrs);
	}

	@Override
	protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect)
	{
	super.onFocusChanged(focused, direction, previouslyFocusedRect);
	if (focused) {
	Editable text = getText();
	Selection.setSelection(text, 0, text.length());
	}
	}
	}

	@Override
	public View onCreateView(String name, Context context, AttributeSet attrs)
	{
	if (name.equals("com.android.development.UrlEditText")) {
	return new UrlEditText(this, attrs);
	}
	if (name.equals("com.android.development.DisplayEditText")) {
	return new DisplayEditText(this, attrs);
	}
	return null;
	}

	View.OnClickListener mViewItemAction = new View.OnClickListener () {
	public void onClick(View v)
	{
	String url = mUrlField.getText().toString();
	String display = mDisplayField.getText().toString();
	viewItem(url, display);
	}
	};

	public void onCreate(Bundle icicle)
	{
	super.onCreate(icicle);
	setContentView(R.layout.enter_url);

	// display
	mDisplayField = (DisplayEditText)findViewById(R.id.display_edit_text);
	mDisplayField.setOnClickListener(mViewItemAction);
	// url
	mUrlField = (UrlEditText)findViewById(R.id.url_edit_text);
	mUrlField.setOnClickListener(mViewItemAction);
	}

	public void onStop()
	{
	super.onStop();

	if (mCursor != null) {
	mCursor.deactivate();
	}
	}

	public void onResume()
	{
	super.onResume();

	// show the history
	loadPrefs();
	fillListView();
	if (mHistory.size() > 0) {
	ListView lv = this.getListView();
	lv.setSelection(0);
	lv.requestFocus();
	}
	}

	public boolean onCreateOptionsMenu(Menu menu)
	{
	super.onCreateOptionsMenu(menu);
	menu.add(0, 0, 0, "Clear Bookmarks").setOnMenuItemClickListener(mClearBookmarks);
	return true;
	}

	protected void onListItemClick(ListView l, View v, int position, long id)
	{
	HistoryEntry he = mHistory.get(position);
	viewItem(he.url, he.display);
	}

	private final void viewItem(String url, String display)
	{
	// -------------- save this in the history ----------------
	// look in the history
	int count = mHistory.size();
	int i;
	for (i=0; i<count; i++) {
	HistoryEntry he = mHistory.get(i);
	if (he.url.equals(url) && he.display.equals(display)) {
	he.updateAccessTime();
	mHistory.remove(i);
	mHistory.add(0, he);
	break;
	}
	}
	if (i >= count) {
	// didn't find it, add it first
	HistoryEntry he = new HistoryEntry();
	he.url = url;
	he.display = display;
	he.updateAccessTime();
	mHistory.add(0, he);
	}

	savePrefs();

	// -------------- view it ---------------------------------
	Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
	intent.setClass(this, DataList.class);
	intent.putExtra("display", display);
	startActivity(intent);
	}

	MenuItem.OnMenuItemClickListener mClearBookmarks = new MenuItem.OnMenuItemClickListener() {
	public boolean onMenuItemClick(MenuItem item) {
	mHistory.clear();
	savePrefs();
	fillListView();
	return true;
	}
	};

	private void fillListView()
	{
	loadPrefs();
	ArrayList<HashMap<String, String>> d = new ArrayList<HashMap<String, String>>();
	int count = mHistory.size();
	for (int i=0; i<count; i++) {
	HashMap<String, String> m = new HashMap<String, String>();
	HistoryEntry he = mHistory.get(i);
	m.put("title", he.url + " (" + he.display + ")");
	d.add(m);
	}
	setListAdapter(new SimpleAdapter(this, d, R.layout.url_list,
	new String[] {"title"},
	new int[] {android.R.id.text1}));
	}

	SQLiteDatabase openDB()
	{
	SQLiteDatabase db = null;
	db = openOrCreateDatabase("inspector.db", 0, null);
	int version = db.getVersion();
	if (version != DATABASE_VERSION) {
	db.execSQL("CREATE TABLE History ("
	+ " url TEXT,"
	+ " display TEXT,"
	+ " lastAccessTime TEXT"
	+ ");");
	db.execSQL("CREATE TABLE FieldState ("
	+ " url TEXT,"
	+ " display TEXT"
	+ ");");
	db.setVersion(DATABASE_VERSION);
	}
	return db;
	}

	private void loadPrefs()
	{
	SQLiteDatabase db = openDB();
	Cursor c = db.query("History",
	new String[] { "url", "display", "lastAccessTime" },
	null, null, null, null, "lastAccessTime DESC");
	int urlCol = c.getColumnIndex("url");
	int accessCol = c.getColumnIndex("lastAccessTime");
	int displayCol = c.getColumnIndex("display");
	mHistory.clear();
	while (c.moveToNext()) {
	HistoryEntry he = new HistoryEntry();
	he.url = c.getString(urlCol);
	he.display = c.getString(displayCol);
	he.lastAccessTime = c.getString(accessCol);
	mHistory.add(he);
	}

	c = db.query("FieldState", null, null, null, null, null, null);
	if (c.moveToNext()) {
	urlCol = c.getColumnIndex("url");
	displayCol = c.getColumnIndex("display");
	mUrlField.setText(c.getString(urlCol));
	mDisplayField.setText(c.getString(displayCol));
	} else {
	mDisplayField.setText("_id");
	mUrlField.setText("content://");
	}

	db.close();
	}

	private void savePrefs()
	{
	ContentValues m;
	HistoryEntry he;

	SQLiteDatabase db = openDB();
	db.execSQL("DELETE FROM History;");
	int count = mHistory.size();
	for (int i=0; i<count; i++) {
	m = new ContentValues();
	he = mHistory.get(i);
	m.put("url", he.url);
	m.put("display", he.display);
	m.put("lastAccessTime", he.lastAccessTime);
	db.insert("History", null, m);
	}

	db.execSQL("DELETE FROM FieldState");
	m = new ContentValues();
	m.put("url", mUrlField.getText().toString());
	m.put("display", mDisplayField.getText().toString());
	db.insert("FieldState", null, m);

	db.close();
	}

	private class HistoryEntry
	{
	public String url;
	public String display;
	public String lastAccessTime;
	public void updateAccessTime()
	{
	this.lastAccessTime = DateUtils.writeDateTime(
	new GregorianCalendar());
	}
	}

	private ArrayList<HistoryEntry> mHistory = new ArrayList<HistoryEntry>();
	private UrlEditText mUrlField;
	private DisplayEditText mDisplayField;
	private Cursor mCursor;
	}