public override int getItemIndex(ControlUI pControl)
{
if (pControl.getInterface("ListHeader") != null)
{
return(base.getItemIndex(pControl));
}
// We also need to recognize header sub-items
if (pControl.getClass() == "ListHeaderItemUI")
{
return(mHeader.getItemIndex(pControl));
}
return(mList.getItemIndex(pControl));
}
public override bool setItemIndex(ControlUI pControl, int iIndex)
{
if (pControl.getInterface("ListHeader") != null)
{
return(base.setItemIndex(pControl, iIndex));
}
// We also need to recognize header sub-items
if (pControl.getClass() == "ListHeaderItemUI")
{
return(mHeader.setItemIndex(pControl, iIndex));
}
int iOrginIndex = mList.getItemIndex(pControl);
if (iOrginIndex == -1)
{
return(false);
}
if (!mList.setItemIndex(pControl, iIndex))
{
return(false);
}
// The list items should know about us
IListItemUI pListItem = (IListItemUI)pControl.getInterface("ListItem");
if (pListItem != null)
{
pListItem.setIndex(getCount());
}
for (int i = iOrginIndex; i < mList.getCount(); ++i)
{
ControlUI p = mList.getItemAt(i);
pListItem = (IListItemUI)(p.getInterface("ListItem"));
if (pListItem != null)
{
pListItem.setIndex(pListItem.getIndex() - 1);
}
}
selectItem(findSelectable(mCurSel, false));
ensureVisible(mCurSel);
return(true);
}
public override bool addAt(ControlUI pControl, int iIndex)
{
// Override the AddAt() method so we can add items specifically to
// the intended widgets. Headers and are assumed to be
// answer the correct interface so we can add multiple list headers.
if (pControl.getInterface("ListHeader") != null)
{
return(base.addAt(pControl, iIndex));
}
// We also need to recognize header sub-items
if (pControl.getClass() == "ListHeaderItemUI")
{
return(mHeader.addAt(pControl, iIndex));
}
if (!mList.addAt(pControl, iIndex))
{
return(false);
}
// The list items should know about us
IListItemUI pListItem = (IListItemUI)pControl.getInterface("ListItem");
if (pListItem != null)
{
pListItem.setOwner(this);
pListItem.setIndex(iIndex);
}
for (int i = iIndex + 1; i < mList.getCount(); ++i)
{
ControlUI p = mList.getItemAt(i);
pListItem = (IListItemUI)p.getInterface("ListItem");
if (pListItem != null)
{
pListItem.setIndex(pListItem.getIndex() + 1);
}
}
return(true);
}
public override bool remove(ControlUI pControl)
{
if (pControl.getInterface("ListHeader") != null)
{
return(base.remove(pControl));
}
// We also need to recognize header sub-items
if (pControl.getClass() == "ListHeaderItemUI")
{
return(mHeader.remove(pControl));
}
int iIndex = mList.getItemIndex(pControl);
if (iIndex == -1)
{
return(false);
}
if (!mList.removeAt(iIndex))
{
return(false);
}
for (int i = iIndex; i < mList.getCount(); ++i)
{
ControlUI p = mList.getItemAt(i);
IListItemUI pListItem = (IListItemUI)p.getInterface("ListItem");
if (pListItem != null)
{
pListItem.setIndex(pListItem.getIndex() - 1);
}
}
selectItem(findSelectable(mCurSel, false));
ensureVisible(mCurSel);
return(true);
}
public override bool add(ControlUI pControl)
{
// Override the Add() method so we can add items specifically to
// the intended widgets. Headers are assumed to be
// answer the correct interface so we can add multiple list headers.
if (pControl.getInterface("ListHeader") != null)
{
if (mHeader != pControl && mHeader.getCount() == 0)
{
{
// 把旧的表头控件属性赋予到新的表头控件
pControl.setBackImage(mHeader.getBackImage());
pControl.setVisible(mHeader.isVisible());
}
base.remove(mHeader);
mHeader = null;
mHeader = (ListHeaderUI)(pControl);
}
return(base.addAt(pControl, 0));
}
// We also need to recognize header sub-items
if (pControl.getClass() == "ListHeaderItemUI")
{
return(mHeader.add(pControl));
}
// The list items should know about us
IListItemUI pListItem = (IListItemUI)pControl.getInterface("ListItem");
if (pListItem != null)
{
pListItem.setOwner(this);
pListItem.setIndex(getCount());
}
return(mList.add(pControl));
}
public bool onMessageHandle(int uMsg, ref object wParam, ref object lParam, ref int lRes)
{
if (uMsg == (int)WindowMessage.WM_CREATE)
{
Form frm = this;
mManager.init(ref frm);
// 给下拉列表子控件树重新设置父容器以及资源管理器,在组合框窗口关闭后需要还原该子树控件的父容器以及资源管理器
mVerticalLayout = new VerticalLayoutUI();
mManager.useParentResource(mOwner.getManager());
mVerticalLayout.setManager(mManager, null);
string pDefaultAttributes = mOwner.getManager().getDefaultAttributeList("VerticalLayout");
if (pDefaultAttributes != "")
{
mVerticalLayout.applyAttributeList(pDefaultAttributes);
}
mVerticalLayout.setInset(new Rectangle(2, 2, 0, 0));
mVerticalLayout.setBackColor(Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF));
mVerticalLayout.setBorderColor(Color.FromArgb(0xFF, 0x85, 0xE4, 0xFF));
mVerticalLayout.setBorderSize(2);
mVerticalLayout.setAutoDestroy(false);
mVerticalLayout.enableScrollBar();
mVerticalLayout.applyAttributeList(mOwner.getDropBoxAttributeList());
for (int i = 0; i < mOwner.getCount(); i++)
{
mVerticalLayout.add((ControlUI)mOwner.getItemAt(i));
}
ControlUI rootNode = (ControlUI)mVerticalLayout;
mManager.attachDialog(ref rootNode);
this.ClientSize = new Size(mRectClient.Width, mRectClient.Height);
return(true);
}
else if (uMsg == (int)WindowMessage.WM_SIZE)
{
this.ClientSize = new Size(mRectClient.Width, mRectClient.Height);
return(true);
}
else if (uMsg == (int)WindowMessage.WM_ERASEBKGND)
{
lRes = 1;
return(true);
}
else if (uMsg == (int)WindowMessage.WM_CLOSE)
{
mOwner.setManager(mOwner.getManager(), mOwner.getParent());
mOwner.setPos(mOwner.getPos());
mOwner.setFocus();
}
else if (uMsg == (int)WindowMessage.WM_LBUTTONUP)
{
Point pt = Control.MousePosition;
pt = mManager.getPaintWindow().PointToClient(pt);
ControlUI pControl = mManager.findControl(ref pt);
if (pControl != null && pControl.getClass() != "ScrollbarUI")
{
PaintManagerUI.PostMessage(this.Handle, (int)WindowMessage.WM_KILLFOCUS, 0, 0);
}
}
else if (uMsg == (int)WindowMessage.WM_KEYDOWN)
{
IntPtr ptr = (IntPtr)wParam;
int c = (int)ptr;
char cc = (char)int.Parse(c.ToString());
switch ((Keys)cc)
{
case Keys.Escape:
mOwner.selectItem(mOldSel);
ensureVisible(mOldSel);
PaintManagerUI.PostMessage(this.Handle, (int)WindowMessage.WM_KILLFOCUS, 0, 0);
break;
case Keys.Return:
PaintManagerUI.PostMessage(this.Handle, (int)WindowMessage.WM_KILLFOCUS, 0, 0);
break;
default:
TEventUI newEvent = new TEventUI();
newEvent.mType = (int)EVENTTYPE_UI.UIEVENT_KEYDOWN;
newEvent.mKey = cc;
mOwner.eventProc(ref newEvent);
ensureVisible(mOwner.getCurSel());
return(true);
}
}
else if (uMsg == (int)WindowMessage.WM_MOUSEWHEEL)
{
IntPtr ptr = (IntPtr)wParam;
int c = (int)ptr;
int zDelta = (int)(short)HIWORD(c);
TEventUI newEvent = new TEventUI();
newEvent.mType = (int)EVENTTYPE_UI.UIEVENT_SCROLLWHEEL;
newEvent.mWParam = makeLong(zDelta < 0 ? (int)ScrollBarCommands.SB_LINEDOWN : (int)ScrollBarCommands.SB_LINEUP, 0);
newEvent.mLParam = lParam;
newEvent.mTimestamp = PaintManagerUI.GetTickCount();
mOwner.eventProc(ref newEvent);
ensureVisible(mOwner.getCurSel());
return(true);
}
else if (uMsg == (int)WindowMessage.WM_KILLFOCUS)
{
close();
}
if (mManager != null && mManager.messageHandler((uint)uMsg, ref wParam, ref lParam, ref lRes))
{
return(true);
}
return(false);
}