dguihub.core.controls.containercontrol source code

1 /** DGui project file.
2 
3 Copyright: Trogu Antonio Davide 2011-2013
4 
5 License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0).
6 
7 Authors: Trogu Antonio Davide
8 */
9 module dguihub.core.controls.containercontrol;
10 
11 public import dguihub.core.controls.reflectedcontrol;
12 
13 abstract class ContainerControl : ReflectedControl {
14    protected Collection!(Control) _childControls;
15 
16    @property public final bool rtlLayout() {
17       return cast(bool)(this.getExStyle() & WS_EX_LAYOUTRTL);
18    }
19 
20    @property public final void rtlLayout(bool b) {
21       this.setExStyle(WS_EX_LAYOUTRTL, b);
22    }
23 
24    @property public final Control[] controls() {
25       if (this._childControls) {
26          return this._childControls.get();
27       }
28 
29       return null;
30    }
31 
32    private void addChildControl(Control c) {
33       if (!this._childControls) {
34          this._childControls = new Collection!(Control);
35       }
36 
37       this._childControls.add(c);
38 
39       if (this.created) {
40          c.show();
41       }
42    }
43 
44    protected void doChildControls() {
45       if (this._childControls) {
46          foreach (Control c; this._childControls) {
47             if (!c.created) //Extra Check: Avoid creating duplicate components (added at runtime)
48             {
49                c.show();
50             }
51          }
52       }
53    }
54 
55    protected override void createControlParams(ref CreateControlParams ccp) {
56       this.setStyle(WS_CLIPCHILDREN, true);
57       this.setExStyle(WS_EX_CONTROLPARENT, true);
58 
59       super.createControlParams(ccp);
60    }
61 
62    protected override void onDGuiMessage(ref Message m) {
63       switch (m.msg) {
64       case DGUI_ADDCHILDCONTROL:
65          this.addChildControl(winCast!(Control)(m.wParam));
66          break;
67 
68       default:
69          break;
70       }
71 
72       super.onDGuiMessage(m);
73    }
74 
75    protected override void onHandleCreated(EventArgs e) {
76       this.doChildControls();
77       super.onHandleCreated(e);
78    }
79 }