HjUTghU4

1#include "notepad.h"
2#include "ui_notepad.h"
3#include "search.h"
4#include "ui_search.h"
5#include <QFile>
6#include <QFileDialog>
7#include <QMessageBox>
8#include <QTextStream>
9#include <QFontDialog>
10#include <QTextCursor>
11Notepad::Notepad(QWidget *parent) :QMainWindow(parent),
12    ui(new Ui::Notepad)
13{
14    //Graphic Part
15    ui->setupUi(this);
16    this->setCentralWidget(ui->tabWidget); //Make sure that tabWidget occupies the entire parent space.
17    ui->tabWidget->setTabShape(QTabWidget::Triangular); //Make the tab look triangular.
18
19    //Create the required Components
20    QTextEdit *tempPad = new QTextEdit(); //Insert a textEdit when you open a new tab.
21    QString *openedFile = new QString; //For the saveFlag. The saveFlag checks if a file was saved in the current session.
22
23    //Add the tab
24    ui->tabWidget->addTab(tempPad, "New Text"); //Add a tab with the textEdit.
25    ui->tabWidget->setCurrentWidget(tempPad); //Change focus to the new tab.
26
27    //tab related ops and storing
28    currentTab = ui->tabWidget->currentIndex(); //Get the current tab index for operations on the tab.
29    tabIndex = ui->tabWidget->currentIndex(); //Get the current index for saving on the QHash table (pad).
30    pad.insert(tabIndex,tempPad); //Save the index with the corresponding QTextEdit.
31    saveFlag.insert(tabIndex, openedFile); //Save the index with the saveFlag.
32    ui->tabWidget->setTabToolTip(currentTab, "Not saved yet");
33    setWindowTitle("PseudoPad");
34}
35Notepad::~Notepad()
36{
37    delete ui;
38}
39void Notepad::on_actionNew_triggered()
40{
41    //Create required components
42    QTextEdit *tempPad = new QTextEdit();
43    QString *openedFile = new QString;
44
45    //add the tabs
46    ui->tabWidget->addTab(tempPad, "New Text");
47    ui->tabWidget->setCurrentWidget(tempPad);
48
49    currentTab = ui->tabWidget->currentIndex();
50    tabIndex = ui->tabWidget->currentIndex();
51
52    //storing the values in the QHash table.
53    pad.insert(tabIndex,tempPad);
54    ui->tabWidget->setTabToolTip(currentTab, "Not saved Yet");
55    saveFlag.insert(tabIndex, openedFile);
56}
57void Notepad::on_actionOpen_triggered()
58{
59    currentTab = ui->tabWidget->currentIndex(); // get the current index
60    QString filename = QFileDialog::getOpenFileName(this, "Open the file"); //open the file
61    QFile file(filename); //QFile to read  all contents of files.
62    QFileInfo information(file); //QFileInfo to get the file reated information.
63    QString name = information.fileName(); // get the name of the file.
64
65    if(!file.open(QIODevice::ReadOnly | QFile::Text))
66    {
67        QMessageBox::warning(this, "Warning", "Cannot Open file\n Reason: " + file.errorString());
68        return;
69    }
70
71    *saveFlag[currentTab] = filename; //save the name in the saveFlag so that it doesnt ask you to save if you choose to save the file because the file already exists. Choose save as for saving again with different name and/or extensions.
72
73    ui->tabWidget->setTabText(currentTab, name);
74    ui->tabWidget->setTabToolTip(currentTab, "Location: "+filename);
75
76    QTextStream in(&file); //QTextStream object to reall all contents.
77    QString text = in.readAll(); //store the contents in a QString
78    QTextEdit *documentArea = pad[currentTab]; //get the current QTextEdit we are working on using the tabIndex for openning the contents in that textedit.
79    documentArea->setText(text);
80    file.close();
81}
82void Notepad::on_actionSave_triggered()
83{
84    currentTab = ui->tabWidget->currentIndex();
85    QString filename;
86    QString *chkSave = saveFlag[currentTab]; // Get the QString of the current tab.
87    if (chkSave->isEmpty()) //checks if some name was assigned to it.
88    {   //If not assigned and it was empty:
89        filename = QFileDialog::getSaveFileName(this, "Save");
90        *chkSave = filename;
91    }
92    else//If assigned, the just save.
93        filename = *chkSave;
94
95    QFile file(filename);
96    QFileInfo information(file);
97
98    QString name = information.fileName();
99    ui->tabWidget->setTabText(currentTab, name);
100    if (!file.open(QIODevice::WriteOnly | QFile::Text))
101    {
102        QMessageBox::warning(this,"Warning!", "No file selected\n" + file.errorString());
103        return;
104    }
105    
106    QTextStream out(&file); //Create the QTextStream to save all contents from the QTextEdit to the file.
107    
108    QTextEdit *documentArea = pad[currentTab]; //get the QTextEdit associated to the tab we are working on.
109    QString text = documentArea->toPlainText();
110    
111    out << text; // Copy the contents.
112    ui->tabWidget->setTabToolTip(currentTab, "Location: "+filename);
113    file.close();
114}
115void Notepad::on_actionSave_As_triggered()
116{
117    //Save_As functions the same way as Save but doesnt have the saveFlag check.
118    QString filename;
119    filename = QFileDialog::getSaveFileName(this, "Save");
120    //openedFile = filename;
121    QFile file(filename);
122    if (!file.open(QIODevice::WriteOnly))
123    {
124        QMessageBox::warning(this, "Warning", "Cannot Save" + file.errorString());
125        return;
126    }
127    setWindowTitle(filename);
128    QTextStream out(&file);
129    QTextEdit *documentArea = pad[currentTab];
130    QString text = documentArea->toPlainText();
131    out << text;
132    ui->tabWidget->setTabToolTip(currentTab, "Location: "+filename);
133    file.close();
134}
135
136void Notepad::on_actionCopy_triggered()
137{
138    currentTab = ui->tabWidget->currentIndex();
139    QTextEdit *documentArea = pad[currentTab];
140    documentArea->copy();
141}
142
143void Notepad::on_actionPaste_triggered()
144{
145    currentTab = ui->tabWidget->currentIndex();
146    QTextEdit *documentArea = pad[currentTab];
147    documentArea->paste();
148}
149
150void Notepad::on_actionUndo_triggered()
151{
152    currentTab = ui->tabWidget->currentIndex();
153    QTextEdit *documentArea = pad[currentTab];
154    documentArea->undo();
155}
156
157void Notepad::on_actionRedo_triggered()
158{
159    currentTab = ui->tabWidget->currentIndex();
160    QTextEdit *documentArea = pad[currentTab];
161    documentArea->redo();
162}
163
164void Notepad::on_actionFont_triggered()
165{ //CHange font of the selected text.
166    currentTab = ui->tabWidget->currentIndex();
167    bool fontselect;
168    QTextEdit *documentArea = pad[currentTab];
169    QFont font = QFontDialog::getFont(&fontselect, this);
170    if (fontselect)
171    {
172        documentArea->setFont(font);
173    }
174}
175
176void Notepad::on_actionUPPER_triggered() //CHange the Case of a string
177{
178    currentTab = ui->tabWidget->currentIndex();
179    QTextEdit *documentArea = pad[currentTab];
180    QTextCursor cursor = documentArea->textCursor();
181    if (cursor.hasSelection())
182    {
183        cursor.insertText(cursor.selectedText().toUpper());
184    }
185}
186
187void Notepad::on_actionlower_triggered() //CHange the Case of a string
188{
189
190    currentTab = ui->tabWidget->currentIndex();
191    QTextEdit *documentArea = pad[currentTab];
192    QTextCursor cursor = documentArea->textCursor();
193    if (cursor.hasSelection())
194    {
195        cursor.insertText(cursor.selectedText().toLower());
196    }
197}
198
199void Notepad::on_actionSearch_Word_triggered()
200{
201    
202    currentTab = ui->tabWidget->currentIndex();
203    QFile file(*saveFlag[currentTab]);
204    
205    QTextStream out(&file);
206    QTextEdit *documentArea = pad[currentTab];
207    QString worda = documentArea->toPlainText(); //store contents in worda.
208    
209    out << worda; //copy the contents.
210    search.word = worda; //pass the contents of the file to the search file
211    search.edit_area = documentArea; //pas the current QTextEdit to the search
212    search.show();
213}
214
215void Notepad::on_actionCut_triggered()
216{
217    currentTab = ui->tabWidget->currentIndex();
218    QTextEdit *documentArea = pad[currentTab];
219    documentArea->cut();
220}