MemoryManagementScheduler/Controller.java at master · MarioGamal/MemoryManagementScheduler · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
package sample;

import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.VBox;
import javafx.stage.Modality;
import javafx.stage.Stage;

import java.io.IOException;
import java.net.URL;
import java.util.ResourceBundle;


public class Controller implements Initializable  {


    @FXML  Button addholebtn ;
    @FXML  TextField holeaddressinput ;
    @FXML  TextField holesizeinput ;
    @FXML  Button removeholebtn ;
    @FXML  TableView<Hole> holestable;
    @FXML  TableColumn<Hole,Integer> holesadresses;
    @FXML  TableColumn<Hole,Integer> holessizes;
    @FXML  Button btn1;

    static ObservableList<Hole> holesList = FXCollections.observableArrayList();


    @Override
    public void initialize(URL location, ResourceBundle resources) {
        addholebtn.requestFocus();
        addholebtn.setFocusTraversable(true);
        holesadresses.setCellValueFactory(new PropertyValueFactory<>("begin"));
        holessizes.setCellValueFactory(new PropertyValueFactory<>("size"));

    }

    public void addholebtnclicked()
    {

        if( !isInt(holeaddressinput,holeaddressinput.getText()));
        else if( !isInt(holesizeinput,holesizeinput.getText()));
        else {
            Hole hole = new Hole();
            hole.setBegin(Integer.parseInt(holeaddressinput.getText()));
            hole.setSize(Integer.parseInt(holesizeinput.getText()));
            holestable.getItems().add(hole);
            holeaddressinput.clear();
            holesizeinput.clear();
        }
    }

    public void removeholebtnclicked()
    {
        ObservableList<Hole> selectedholeslist,allholeslist;
        allholeslist = holestable.getItems();
        selectedholeslist = holestable.getSelectionModel().getSelectedItems();
        if(holestable.getItems().size()==1){
            holestable.getItems().clear();
        }
        else {
            selectedholeslist.forEach(allholeslist::remove);
        }

        if(holestable.getItems().size()==0)
            removeholebtn.setDisable(true);

    }

    public void tableclicked() {
        ObservableList<Hole> selectedholes;
        selectedholes = holestable.getSelectionModel().getSelectedItems();
        if (holestable.getItems().size() > 0) {
            if (selectedholes.size() > 0)
                removeholebtn.setDisable(false);
            else
                removeholebtn.setDisable(true);
        }
        else
            removeholebtn.setDisable(true);
    }

    public void btn1clicked(ActionEvent event) throws IOException
    {
        holesList = holestable.getItems();
        if(holesList.size()==0)
        {
            Stage window = new Stage();

            //Block events to other windows
            window.initModality(Modality.APPLICATION_MODAL);
            window.setTitle("ERROR");
            window.setMinWidth(250);

            Label label = new Label();
            label.setText("Enter Holes before proceeding");
            Button closeButton = new Button("Ok");
            closeButton.setOnAction(e -> window.close());

            VBox layout = new VBox(10);
            layout.getChildren().addAll(label, closeButton);
            layout.setAlignment(Pos.CENTER);

            //Display window and wait for it to be closed before returning
            Scene scene = new Scene(layout , 300 , 100);
            window.setScene(scene);
            window.showAndWait();

        }
        else {
            Parent processScreen = FXMLLoader.load(getClass().getResource("process.fxml"));
            Scene processScene = new Scene(processScreen);
            Stage window = new Stage();
            window.setScene(processScene);
            window.initModality(Modality.APPLICATION_MODAL);
            window.showAndWait();
        }

    }

    public static boolean isInt(TextField input, String message){
        try{
            int age = Integer.parseInt(input.getText());
            //System.out.println("User is: " + age);
            return true;
        }catch(NumberFormatException z){
            Stage window = new Stage();

            //Block events to other windows
            window.initModality(Modality.APPLICATION_MODAL);
            window.setTitle("ERROR");
            window.setMinWidth(250);

            Label label = new Label();
            label.setText("ERROR: "+message+" is not a number");
            Button closeButton = new Button("Ok");
            closeButton.setOnAction(e -> window.close());

            VBox layout = new VBox(10);
            layout.getChildren().addAll(label, closeButton);
            layout.setAlignment(Pos.CENTER);

            //Display window and wait for it to be closed before returning
            Scene scene = new Scene(layout , 300 , 100);
            window.setScene(scene);
            window.showAndWait();
            return false;
        }
    }
}