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Soluzione terzo laboratorio
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Alberto Monge authored and Alberto Monge committed Apr 1, 2017
1 parent 74c3e44 commit 9accdda
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3 changes: 2 additions & 1 deletion Lab3_SpellChecker/src/it/polito/tdp/spellchecker/controller/Main.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,8 @@ public class Main extends Application {
public void start(Stage primaryStage) {
try {
BorderPane root = (BorderPane)FXMLLoader.load(getClass().getResource("SpellChecker.fxml"));
Scene scene = new Scene(root,400,400);
Scene scene = new Scene(root);

scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());
primaryStage.setScene(scene);
primaryStage.show();
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110 changes: 106 additions & 4 deletions Lab3_SpellChecker/src/it/polito/tdp/spellchecker/controller/SpellChecker.fxml
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@@ -1,7 +1,109 @@
<?xml version="1.0" encoding="UTF-8"?>


<?import javafx.geometry.Insets?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.ComboBox?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.TextArea?>
<?import javafx.scene.layout.BorderPane?>

<BorderPane xmlns:fx="http://javafx.com/fxml/1" fx:controller="it.polito.tdp.spellchecker.controller.SpellCheckerController">
<!-- TODO Add Nodes -->
<?import javafx.scene.layout.HBox?>
<?import javafx.scene.layout.VBox?>

<BorderPane prefWidth="540.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="it.polito.tdp.spellchecker.controller.SpellCheckerController">
<top>
<Label text="Lab3_SpellChecker" BorderPane.alignment="CENTER">
<BorderPane.margin>
<Insets top="10.0" />
</BorderPane.margin></Label>
</top>
<left>
<VBox BorderPane.alignment="CENTER">
<children>
<HBox alignment="CENTER_LEFT">
<children>
<Label text="Choose the language: " />
<ComboBox fx:id="boxLingua" onAction="#doActivation" prefWidth="150.0">
<HBox.margin>
<Insets left="10.0" />
</HBox.margin></ComboBox>
</children>
<opaqueInsets>
<Insets />
</opaqueInsets>
<padding>
<Insets bottom="10.0" />
</padding>
<VBox.margin>
<Insets left="15.0" right="15.0" />
</VBox.margin>
</HBox>
<TextArea fx:id="txtDaCorreggere" maxWidth="500.0">
<VBox.margin>
<Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
</VBox.margin></TextArea>
<HBox alignment="CENTER_RIGHT" nodeOrientation="LEFT_TO_RIGHT">
<VBox.margin>
<Insets bottom="5.0" left="15.0" right="20.0" top="20.0" />
</VBox.margin>
<children>
<Button alignment="TOP_LEFT" mnemonicParsing="false" nodeOrientation="LEFT_TO_RIGHT" onAction="#doSpellCheck" text="Spell Check" textAlignment="CENTER">
<HBox.margin>
<Insets />
</HBox.margin>
</Button>
</children>
<opaqueInsets>
<Insets right="10.0" />
</opaqueInsets>
</HBox>
<Label text="Wrong words">
<VBox.margin>
<Insets top="10.0" />
</VBox.margin>
<padding>
<Insets left="10.0" />
</padding>
</Label>
<TextArea fx:id="txtCorretto" maxWidth="500.0">
<VBox.margin>
<Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
</VBox.margin>
</TextArea>
<HBox alignment="CENTER_RIGHT">
<children>
<Label fx:id="lblErrori" text="Errori" textFill="RED">
<opaqueInsets>
<Insets right="10.0" />
</opaqueInsets>
<padding>
<Insets right="10.0" />
</padding>
</Label>
<Button alignment="CENTER_RIGHT" contentDisplay="RIGHT" mnemonicParsing="false" onAction="#doClearText" text="Clear Text ">
<HBox.margin>
<Insets right="20.0" />
</HBox.margin>
</Button>
</children>
<opaqueInsets>
<Insets left="10.0" right="10.0" />
</opaqueInsets>
<VBox.margin>
<Insets />
</VBox.margin>
</HBox>
<Label fx:id="lblStato" text="Label">
<padding>
<Insets left="10.0" />
</padding>
</Label>
</children>
<opaqueInsets>
<Insets bottom="10.0" top="10.0" />
</opaqueInsets>
<BorderPane.margin>
<Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
</BorderPane.margin>
</VBox>
</left>
</BorderPane>
133 changes: 133 additions & 0 deletions Lab3_SpellChecker/src/it/polito/tdp/spellchecker/controller/SpellCheckerController.java
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@@ -1,5 +1,138 @@
package it.polito.tdp.spellchecker.controller;

import java.net.URL;
import java.util.*;
import java.util.ResourceBundle;

import it.polito.tdp.spellchecker.model.*;
import it.polito.tdp.spellchecker.model.Dictionary;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.paint.Color;
import javafx.scene.text.Text;
import javafx.scene.text.TextFlow;

public class SpellCheckerController {

private Dictionary dizionario;

List<String> listaDaCorreggere = new LinkedList<String>();

@FXML
private ResourceBundle resources;

@FXML
private URL location;

@FXML
private ComboBox<String> boxLingua;

@FXML
private TextArea txtDaCorreggere;

@FXML
private TextArea txtCorretto;

@FXML
private Label lblErrori;

@FXML
private Label lblStato;


@FXML
void doClearText(ActionEvent event) {
// Reset dell'interfaccia grafica
txtDaCorreggere.clear();
listaDaCorreggere.clear();
txtCorretto.clear();
lblErrori.setText("");
}



@FXML
void doActivation(ActionEvent event) {
// L'utente non può inserire del testo prima di aver selezionato la lingua
if (boxLingua.getValue() != null) {
txtDaCorreggere.setDisable(false);
txtCorretto.setDisable(false);

txtDaCorreggere.clear();
txtCorretto.clear();
}
}


@FXML
void doSpellCheck(ActionEvent event) {

// Inizializzazione
txtCorretto.clear();
listaDaCorreggere.clear();

// Gestisco la selezione della lingua
dizionario.loadDictionary(boxLingua.getValue());


// Prendo il testo da correggere
String inputText = txtDaCorreggere.getText();
if (inputText.isEmpty())
return;

// Divido il testo usando gli spazi e elimino la punteggiatura
StringTokenizer st = new StringTokenizer(inputText, " ");
while (st.hasMoreTokens()) {
listaDaCorreggere.add(st.nextToken().replaceAll("[ \\p{Punct}]", "").trim().toLowerCase());
}

// Chiamo la funzione per la correzione del testo
long l1 = System.nanoTime();
List<RichWord> lista = dizionario.spellCheckText(listaDaCorreggere);
long l2 = System.nanoTime();

// Stampo il rich text
int errori = 0;
String richText = "";

for (RichWord r : lista) {
if(!r.isCorretta()){
errori ++;
richText += r.getParola();
richText += "\n";
}
}

txtCorretto.setText(richText);
lblStato.setText("Spell check completed in " + (l2 - l1) / 1E9 + " seconds");

// Aggiorno il contenuto della label.
lblErrori.setText("The text contains " + errori + " errors");
}

@FXML
void initialize() {
assert boxLingua != null : "fx:id=\"boxLingua\" was not injected: check your FXML file 'SpellChecker.fxml'.";
assert txtDaCorreggere != null : "fx:id=\"txtDaCorreggere\" was not injected: check your FXML file 'SpellChecker.fxml'.";
assert txtCorretto != null : "fx:id=\"txtCorretto\" was not injected: check your FXML file 'SpellChecker.fxml'.";
assert lblErrori != null : "fx:id=\"lblErrori\" was not injected: check your FXML file 'SpellChecker.fxml'.";
assert lblStato != null : "fx:id=\"lblStato\" was not injected: check your FXML file 'SpellChecker.fxml'.";

// Inizializzazione dei componenti
txtDaCorreggere.setText("Selezionare una lingua");
txtDaCorreggere.setDisable(true);
txtCorretto.setDisable(true);
boxLingua.getItems().addAll("English", "Italian");

lblErrori.setText("");
lblStato.setText("");

this.dizionario = new Dictionary();

}
}

91 changes: 91 additions & 0 deletions Lab3_SpellChecker/src/it/polito/tdp/spellchecker/model/Dictionary.java
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@@ -0,0 +1,91 @@
package it.polito.tdp.spellchecker.model;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.*;

public class Dictionary {

final static boolean dicotomica = false;

protected List<String> dizionario;

public Dictionary() {
dizionario = new LinkedList<String>();
}

public void loadDictionary(String language) {
try {

FileReader fr = new FileReader("rsc/" + language + ".txt");
BufferedReader br = new BufferedReader(fr);
String word;

while ((word = br.readLine()) != null) {
// Aggiungo word alla struttura dati.
dizionario.add(word.toLowerCase());
}

// Ordino il dizionario (per la ricerca dicotomica)
Collections.sort(dizionario);

br.close();

} catch (IOException e) {

System.out.println("Errore nella lettura del file");
}

};

public List<RichWord> spellCheckText(List<String> inputTextList) {

List<RichWord> parole = new LinkedList<RichWord>();

RichWord r;
for (String s : inputTextList) {

if (dicotomica) {
if (binarySearch(s.toLowerCase()))
r = new RichWord(s, true);
else
r = new RichWord(s, false);
parole.add(r);

} else {
if (dizionario.contains(s.toLowerCase()))
r = new RichWord(s, true);
else
r = new RichWord(s, false);
parole.add(r);
}
}
return parole;
}



/*
* Metodo che implementa la ricerca dicotomica
*/
private boolean binarySearch(String stemp) {

int inizio = 0;
int fine = dizionario.size();

while (inizio!=fine){
int medio = inizio + (fine - inizio)/2;
if (stemp.compareToIgnoreCase(dizionario.get(medio))==0){
return true;
} else if (stemp.compareToIgnoreCase(dizionario.get(medio))>0){
inizio=medio +1;
} else {
fine=medio;
}
}

return false;
}

}
34 changes: 34 additions & 0 deletions Lab3_SpellChecker/src/it/polito/tdp/spellchecker/model/RichWord.java
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@@ -0,0 +1,34 @@
package it.polito.tdp.spellchecker.model;

public class RichWord {

@Override
public String toString() {
return "RichWord [parola=" + parola + ", corretta=" + corretta + "]";
}

private String parola;
private boolean corretta;

public RichWord(String parola, boolean corretta) {
this.corretta = corretta;
this.parola = parola;
}

public String getParola() {
return parola;
}

public void setParola(String parola) {
this.parola = parola;
}

public boolean isCorretta() {
return corretta;
}

public void setCorretta(boolean corretta) {
this.corretta = corretta;
}

}

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