/// <summary>
/// remove the checked curtain grids from the curtain system
/// Note: curtain system must have at least one curtain grid
/// so sample users can't remove all the curtain grids away
/// </summary>
/// <param name="sender">
/// object who sent this event
/// </param>
/// <param name="e">
/// event args
/// </param>
private void removeCGButton_Click(object sender, EventArgs e)
{
// step 1: get the curtain system
List <CurtainSystem.SystemInfo> csInfos = m_mydocument.SystemData.CurtainSystemInfos;
// no curtain system available, ask sample user to create some curtain systems first
if (null == csInfos || 0 == csInfos.Count)
{
string hint = Properties.Resources.HINT_CreateCSFirst;
m_mydocument.Message = new KeyValuePair <string, bool>(hint, true);
return;
}
CurtainSystem.SystemInfo csInfo = csInfos[csListBox.SelectedIndex];
// if the curtain system is created by face array, it's forbidden to make other operations on it
if (true == csInfo.ByFaceArray)
{
return;
}
// step 2: find out the curtain grids to be removed
List <int> faceIndices = new List <int>();
for (int i = 0; i < cgCheckedListBox.Items.Count; i++)
{
bool itemChecked = cgCheckedListBox.GetItemChecked(i);
if (true == itemChecked)
{
CurtainSystem.GridFaceInfo info = cgCheckedListBox.Items[i] as CurtainSystem.GridFaceInfo;
faceIndices.Add(info.FaceIndex);
}
}
// no curtain grids selected, warn the sample user
if (null == faceIndices ||
0 == faceIndices.Count)
{
string hint = Properties.Resources.HINT_SelectCGFirst;
m_mydocument.Message = new KeyValuePair <string, bool>(hint, true);
return;
}
// step 3: remove the selected curtain grids
csInfo.RemoveCurtainGrids(faceIndices);
// step 4: update the UI list boxes
csListBox_SelectedIndexChanged(null, null);
}
/// <summary>
/// curtain system changed(added/removed), refresh the lists
/// </summary>
void m_document_SystemData_CurtainSystemChanged()
{
// clear the out-of-date values
csListBox.Items.Clear();
facesCheckedListBox.Items.Clear();
cgCheckedListBox.Items.Clear();
List <CurtainSystem.SystemInfo> csInfos = m_mydocument.SystemData.CurtainSystemInfos;
// no curtain system available, disable the "Delete Curtain System"
// "Add curtain grid" and "remove curtain grid" buttons
if (null == csInfos ||
0 == csInfos.Count)
{
this.deleteCSButton.Enabled = false;
this.addCGButton.Enabled = false;
this.removeCGButton.Enabled = false;
this.Show();
return;
}
foreach (CurtainSystem.SystemInfo info in csInfos)
{
csListBox.Items.Add(info);
}
// activate the last one
CurtainSystem.SystemInfo csInfo = csInfos[csInfos.Count - 1];
// this will invoke the selectedIndexChanged event, then to update the other 2 list boxes
csListBox.SetSelected(csInfos.Count - 1, true);
// enable the buttons and show the dialog
this.deleteCSButton.Enabled = true;
// only curtain system which created by reference array supports curtain grid operations
if (false == csInfo.ByFaceArray)
{
this.addCGButton.Enabled = true;
this.removeCGButton.Enabled = true;
}
this.Show();
}
/// <summary>
/// the selected curtain system changed, update the "Curtain grid" and
/// "Uncovered faces" list boxes of the selected curtain system
/// </summary>
/// <param name="sender">
/// object who sent this event
/// </param>
/// <param name="e">
/// event args
/// </param>
private void csListBox_SelectedIndexChanged(object sender, EventArgs e)
{
List <CurtainSystem.SystemInfo> csInfos = m_mydocument.SystemData.CurtainSystemInfos;
// data verification
if (null == csInfos ||
0 == csInfos.Count)
{
return;
}
//
// step 1: activate the selected one
//
CurtainSystem.SystemInfo csInfo = csInfos[csListBox.SelectedIndex];
// update the curtain grid list box
cgCheckedListBox.Items.Clear();
foreach (int index in csInfo.GridFacesIndices)
{
CurtainSystem.GridFaceInfo gridFaceInfo = new CurtainSystem.GridFaceInfo(index);
cgCheckedListBox.Items.Add(gridFaceInfo);
}
// update the uncovered face list box
facesCheckedListBox.Items.Clear();
foreach (int index in csInfo.UncoverFacesIndices)
{
CurtainSystem.UncoverFaceInfo uncoverFaceInfo = new CurtainSystem.UncoverFaceInfo(index);
facesCheckedListBox.Items.Add(uncoverFaceInfo);
}
//
// step 2: enable/disable some buttons and refresh the status hints
//
// the selected curtain system is created by face array
// it's not allowed to modify its curtain grids data
if (true == csInfo.ByFaceArray)
{
// disable the buttons
this.addCGButton.Enabled = false;
this.removeCGButton.Enabled = false;
this.facesCheckedListBox.Enabled = false;
this.cgCheckedListBox.Enabled = false;
// update the status hints
string hint = Properties.Resources.HINT_CSIsByFaceArray;
m_mydocument.Message = new KeyValuePair <string, bool>(hint, false);
}
// the selected curtain system is created by references of the faces
// it's allowed to modify its curtain grids data
else
{
// enable the buttons
if (null == facesCheckedListBox.Items ||
0 == facesCheckedListBox.Items.Count)
{
this.addCGButton.Enabled = false;
}
else
{
this.addCGButton.Enabled = true;
}
// at least one curtain grid must be kept
if (null == cgCheckedListBox.Items ||
2 > cgCheckedListBox.Items.Count)
{
this.removeCGButton.Enabled = false;
}
else
{
this.removeCGButton.Enabled = true;
}
this.facesCheckedListBox.Enabled = true;
this.cgCheckedListBox.Enabled = true;
// update the status hints
string hint = "";
m_mydocument.Message = new KeyValuePair <string, bool>(hint, false);
}
}
