pioder/ksiazka-kucharska
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implementacja wyszukiwania (wzorzec Strategy)

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kilka zmian
This commit is contained in:
Piotr Dergun
2014-06-14 12:28:33 +01:00
parent 14475fcaec
commit ce03bfe1eb
3 changed files with 81 additions and 34 deletions
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57
src/main/java/db/Cookbook.java
View File

@@ -54,18 +54,8 @@ public class Cookbook {
}
/* funkcja przestarzała (deprecated) - do usunięcia w bliskiej przyszłości - PioDer */
public boolean insertRecipe(String name, String ingredients, String description, String tags, ImageIcon img) {
try {
//przekształcam ImageIcon -> BuforowanyImg
BufferedImage bImg = new BufferedImage(img.getIconWidth(), img.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
bImg.getGraphics().drawImage(img.getImage(), 0,0, null);
//tworzę strumień bajtowy
ByteArrayOutputStream bStream = new ByteArrayOutputStream();
//zapisuję do strumienia bufor obrazka
ImageIO.write( bImg, "png", bStream );
bStream.flush();
public boolean insertRecipe(String name, String ingredients, String description, String tags, byte[] imgArr) {
try {
PreparedStatement prepStmt = conn.prepareStatement(
"INSERT INTO recipes VALUES (NULL, ?, ?, ?, ?, ?);");
@@ -73,20 +63,14 @@ public class Cookbook {
prepStmt.setString(2, ingredients);
prepStmt.setString(3, description);
prepStmt.setString(4, tags);
prepStmt.setBytes(5, bStream.toByteArray());
prepStmt.setBytes(5, imgArr);
prepStmt.execute();
bStream.close();
}
catch (SQLException e) {
System.err.println("Blad przy wstawianiu przepisu");
e.printStackTrace();
return false;
}
catch (IOException e) {
System.err.println("Blad przy wstawianiu przepisu");
e.printStackTrace();
return false;
}
return true;
}
@@ -147,7 +131,7 @@ public class Cookbook {
return true;
}
public List<String> selectNames(){
public List<String> obtainNames(){
List<String> names = new LinkedList<String>();
try {
ResultSet result = stat.executeQuery("SELECT name FROM recipes");
@@ -163,6 +147,39 @@ public class Cookbook {
return names;
}
public List<String> obtainSearchedNames(String n, String t){
List<String> names = new LinkedList<String>();
try {
String whereClause = "";
if (n != "")
whereClause += "name LIKE ?";
if (t != "")
{
if (n != "")
whereClause += " OR ";
whereClause += "tags LIKE ?";
}
PreparedStatement query = conn.prepareStatement("SELECT name FROM recipes WHERE " + whereClause);
if (n != "")
query.setString(1, "%"+n+"%");
if (t != "")
query.setString(((n!="")? 2 : 1), "%"+t+"%");
ResultSet result = query.executeQuery();
String name;
while(result.next()){
name = result.getString("name");
names.add(name);
}
} catch (SQLException e) {
e.printStackTrace();
return null;
}
return names;
}
public void closeConnection() {
try {
conn.close();

27
src/main/java/ksiazka/kucharska/FrmMain.java
View File

@@ -35,11 +35,16 @@ import java.io.File;
import java.io.IOException;
import javax.swing.SwingConstants;
import ksiazka.kucharska.RetrieveData;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.event.ListSelectionListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.ScrollPaneConstants;
import java.awt.Dimension;
import java.awt.event.InputMethodListener;
import java.awt.event.InputMethodEvent;
public class FrmMain extends JFrame {
@@ -48,7 +53,7 @@ public class FrmMain extends JFrame {
*/
private static final long serialVersionUID = 2634383304749703669L;
private JPanel contentPane;
private JTextField txtSearch;
public static JTextField txtSearch;
public static JTextField txtEdTitle;
public static JTextField txtTags;
private JButton btnSave;
@@ -124,7 +129,7 @@ public class FrmMain extends JFrame {
setContentPane(contentPane);
JSplitPane splitPane = new JSplitPane();
splitPane.setResizeWeight(0.18);
splitPane.setResizeWeight(0.1);
splitPane.setRequestFocusEnabled(false);
splitPane.setPreferredSize(new Dimension(200, 27));
splitPane.setDividerSize(5);
@@ -142,7 +147,8 @@ public class FrmMain extends JFrame {
panel.setLayout(gbl_panel);
txtSearch = new JTextField();
txtSearch.setText("wpisz tytuł/tagi...");
txtSearch.setText("");
GridBagConstraints gbc_txtSearch = new GridBagConstraints();
gbc_txtSearch.gridwidth = 2;
gbc_txtSearch.insets = new Insets(5, 5, 5, 0);
@@ -352,5 +358,20 @@ public class FrmMain extends JFrame {
//RetrieveData.insertSampleData();
RetrieveData.fillList();
txtSearch.setText("wpisz tytuł/tagi...");
txtSearch.getDocument().addDocumentListener(new DocumentListener() {
public void changedUpdate(DocumentEvent e) {
RetrieveData.fillList();
}
public void insertUpdate(DocumentEvent e) {
RetrieveData.fillList();
}
public void removeUpdate(DocumentEvent e) {
RetrieveData.fillList();
}
});
}
}

31
src/main/java/ksiazka/kucharska/RetrieveData.java
View File

@@ -3,11 +3,12 @@ package ksiazka.kucharska;
import java.util.List;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import db.AllRecipes;
import db.Cookbook;
import db.Recipe;
import ksiazka.kucharska.FrmMain;
import db.SearchRecipe;
import db.SearchRecipeNameTag;
public class RetrieveData extends FrmMain{
/**
@@ -16,22 +17,30 @@ public class RetrieveData extends FrmMain{
private static final long serialVersionUID = 1L;
public static void insertSampleData(){
Cookbook myCb = new Cookbook();
myCb.insertRecipe("Kanapka",
"Chleb, margaryna, szynka",
"Posmarować kanapke margaryną i położyć na niej plaster szynki",
"kanapka, szynka, chleb", imgDefaultRecipe);
myCb.insertRecipe("Kanapka z sererm",
"Chleb, margaryna, ser",
"Posmarować kanapke margaryną i położyć na niej plaster sera",
"kanapka, ser, chleb", imgDefaultRecipe);
RecipeManager rm = new RecipeManager();
rm.setRecipeBuilder(new ExampleRecipeBuilder());
rm.constructRecipe();
Recipe rc = rm.getRecipe();
myCb.insertRecipe(rc);
myCb.closeConnection();
}
public static void fillList(){
Cookbook myCb = new Cookbook();
List<String> names = myCb.selectNames();
SearchRecipe sr;
if (txtSearch.getText() != "") {
sr = new SearchRecipeNameTag();
}
else
{
sr = new AllRecipes();
}
List<String> names = sr.obtainRecipeNames();
DefaultListModel recipesList;
recipesList = getRecipesList();
recipesList.clear();
for (String r : names)
{