(2) example of using the predefined model qstringlistmodel

 

Example of qstringlistmodel

 

The source code is as follows:

Main. cpp

 

CPP Code
 

1. # Include <qapplication>
3. # Include "teamleadersdialog. H"
   
5. IntMain (IntArgc,Char* Argv [])
   
6. {
7. Qapplication app (argc, argv );
9. // String Array
10. Qstringlist leaders;
11. Leaders <"stooge viller" <"littleface" <"B-B eyes"
12. <"Pruneface" <"mrs. Pruneface" <"the brow"
13. <"Vitamin Flintheart" <"flattop Sr." <"Shakey"
14. <"Breathless Mahoney" <"Mumbles" <"shoulders"
15. <"Sketch Paree ";
17. // Dialog box
18. Teamleadersdialog Dialog (leaders );
19. Dialog. Show ();
21. Return app.exe C ();
22. }

# Include <qapplication> # include "teamleadersdialog. H "int main (INT argc, char * argv []) {qapplication app (argc, argv); // String Array qstringlist leaders; leaders <"stooge viller" <"littleface" <"B-B eyes" <"Pruneface" <"mrs. pruneface "<" the brow "<" vitamin Flintheart "<" flattop Sr. "<" Shakey "<" Breathless Mahoney "<" Mumbles "<" shoulders "<" sketch Paree "; // dialog box teamleadersdialog DIERS (leaders); dialog. show (); Return app.exe C ();}

 

 

Teamleadersdialog. h

 

CPP Code
 

1. # Ifndef teamleadersdialog_h
2. # Define teamleadersdialog_h
4. # Include <qdialog>
6. Class qdialogbuttonbox;
7. Class qlistview;
8. Class qstringlistmodel;
10. Class teamleadersdialog: Public qdialog
11. {
12. Q_object
14. Public:
15. // Constructor
16. Teamleadersdialog (const qstringlist & leaders, qwidget * parent = 0 );
18. Qstringlist leaders () const;
20. Private slots:
21. Void insert ();
22. Void del ();
24. PRIVATE:
25. Qlistview * listview;
26. Qdialogbuttonbox * buttonbox;
27. Qstringlistmodel * model;
28. };
30. # Endif

# Ifndef example # define example # include <qdialog> class example; Class qlistview; Class qstringlistmodel; Class Example: Public qdialog {q_objectpublic: // const teamleadersdialog (const qstringlist & leaders, qwidget * parent = 0); qstringlist leaders () const; private slots: void insert (); void del (); Private: qlistview * listview; qdialogbuttonbox * buttonbox; qstringlistmodel * model;}; # endif

 

Teamleadersdialog. cpp

 

CPP Code
 

1. # Include <qtgui>
3. # Include "teamleadersdialog. H"
   
5. Teamleadersdialog: teamleadersdialog (const qstringlist & leaders,
6. Qwidget * parent)
7. : Qdialog (parent)
8. {
9. // Create and assemble a qstringlistmodel
10. Model = new qstringlistmodel (this );
11. Model-> setstringlist (leaders );
13. // Create a qlistview
14. Listview = new qlistview;
15. // Set the Model
16. Listview-> setmodel (model );
17. // Set the qlistview editing trigger: Enter the string editing status by entering or double-clicking
    
18. Listview-> setedittriggers (q1_actitemview: anykeypressed
19. | Qabstractitemview: doubleclicked );
20. //
21. Buttonbox = new qdialogbuttonbox ();
22. Qpushbutton * insertbutton = buttonbox-> addbutton (TR ("& Insert "),
23. Qdialogbuttonbox: actionrole );
24. Qpushbutton * deletebutton = buttonbox-> addbutton (TR ("& Delete "),
25. Qdialogbuttonbox: actionrole );
26. Buttonbox-> addbutton (qdialogbuttonbox: OK );
27. Buttonbox-> addbutton (qdialogbuttonbox: Cancel );
28. // Signal slot binding insert and delete buttons
29. Connect (insertbutton, signal (clicked (), this, slot (insert ()));
30. Connect (deletebutton, signal (clicked (), this, slot (DEL ()));
31. // The OK and cancel events in the snap box
32. Connect (buttonbox, signal (accepted (), this, slot (accept ()));
33. Connect (buttonbox, signal (rejected (), this, slot (reject ()));
35. // Layout listview and buttonbox vertically on the Interface
36. Qvboxlayout * mainlayout = new qvboxlayout;
37. Mainlayout-> addwidget (listview );
38. Mainlayout-> addwidget (buttonbox );
39. // Set the current window layout to mainlayout
40. Setlayout (mainlayout );
42. Setwindowtitle (TR ("team leaders "));
43. }
44. // Obtain the content in the current model
45. Qstringlist teamleadersdialog: Leaders () const
46. {
47. Return Model-> stringlist ();
48. }
50. Void teamleadersdialog: insert ()
51. {
52. // Obtain the number of rows of the current item from the List View
53. IntRow = listview-> currentindex (). Row ();
54. // Insert a new row into the model and the model automatically updates the list view.
55. Model-> insertrows (row, 1 );
56. // Obtain the "model index" of the current row in the model"
57. Qmodelindex Index = model-> index (ROW );
58. // Set the current index of the inserted blank behavior List View
59. Listview-> setcurrentindex (INDEX );
60. // Set the List View to edit in the current row
61. Listview-> edit (INDEX );
62. }
64. Void teamleadersdialog: del ()
65. {
66. // Delete a row of model data from the current row and automatically update the list view.
    
67. Model-> removerows (listview-> currentindex (). Row (), 1 );
68. }