private void buttonAction_Click(object sender, System.EventArgs e)
{
if (((Control)sender).Tag == null)
{
return;
}
ItemIndices indices = (ItemIndices)(((Control)sender).Tag);
OnButtonClick(new ButtonClickedEventArgs(textBox.Text, indices.ItemIndex, indices.SubItemIndex));
textBox.Focus();
}
private void listView_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
ItemIndices indices = GetSubitemIndexAt(e.X, e.Y);
if (indices.IsValid)
{
if (IsEditable(indices.SubItemIndex))
{
Cursor.Current = (this.SelectedIndex == indices.ItemIndex)?selectedCursor:editableCursor;
}
}
}
public void SetFieldData(string text, int rowIndex, int colIndex)
{
if (this.textBox.Tag != null)
{
ItemIndices indices = (ItemIndices)(this.textBox.Tag);
if ((indices.ItemIndex == rowIndex) && (indices.SubItemIndex == colIndex))
{
textBox.Text = text;
OnModifiedChanged(new ModifiedChangedEventArgs(textBox.Text, indices.ItemIndex, indices.SubItemIndex));
return;
}
}
this.listView.Items[rowIndex].SubItems[colIndex].Text = text;
}
private void StartEdit(ItemIndices indices)
{
// nothing to edit here
if (!IsEditable(indices.SubItemIndex))
{
return;
}
Rectangle bounds = GetSubitemRectangle(indices.ItemIndex, indices.SubItemIndex);
// take x from header if on first item (getsubitem returns bounds of whole item)
if (indices.SubItemIndex == 0)
{
Rectangle header = GetHeaderRectangle(indices.SubItemIndex);
bounds.X = header.X;
bounds.Width = header.Width;
}
// don't edit if textbox overlaps listview
if (!this.listView.ClientRectangle.Contains(bounds))
{
return;
}
if (HasButton(indices.SubItemIndex))
{
// make room for the button
bounds.Width -= GetButtonWidth(indices.SubItemIndex);
}
this.textBox.Bounds = bounds;
this.textBox.Text = this.listView.Items[indices.ItemIndex].SubItems[indices.SubItemIndex].Text;
this.textBox.Modified = false;
this.textBox.Tag = indices;
this.textBox.SelectionStart = this.textBox.Text.Length;
if (HasButton(indices.SubItemIndex))
{
this.button.Location = new Point(this.textBox.Left + this.textBox.Width, this.textBox.Top);
this.button.Height = this.textBox.Height;
this.button.Width = GetButtonWidth(indices.SubItemIndex);
this.button.Text = GetButtonText(indices.SubItemIndex);
this.button.Tag = indices;
}
}
private void listView_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
ItemIndices indices = GetSubitemIndexAt(e.X, e.Y);
if (!indices.IsValid)
{
return;
}
if (indices.ItemIndex != this.SelectedIndex)
{
return;
}
if (this.textBox.Tag != null)
{
return;
}
StartEdit(indices);
}
private void NextIndex(ref ItemIndices indices, bool previous)
{
indices.SubItemIndex += previous?-1:1;
if (indices.SubItemIndex >= (this.listView.Items[indices.ItemIndex].SubItems.Count))
{
indices.SubItemIndex = 0;
indices.ItemIndex++;
}
else if (indices.SubItemIndex < 0)
{
indices.SubItemIndex = this.listView.Items[indices.ItemIndex].SubItems.Count - 1;
indices.ItemIndex--;
}
if (indices.ItemIndex >= this.listView.Items.Count)
{
indices.ItemIndex = 0;
}
if (indices.ItemIndex < 0)
{
indices.ItemIndex = this.listView.Items.Count - 1;
}
}
private void textBox_Leave(object sender, System.EventArgs e)
{
if (this.textBox.Tag == null)
{
return;
}
// don't hide editbox and button if focus is on button
if (button.Visible && button.Bounds.Contains(this.listView.PointToClient(Cursor.Position)))
{
return;
}
ItemIndices indices = (ItemIndices)(this.textBox.Tag);
this.listView.Items[indices.ItemIndex].SubItems[indices.SubItemIndex].Text = textBox.Text;
if (textBox.Modified)
{
OnModifiedChanged(new ModifiedChangedEventArgs(textBox.Text, indices.ItemIndex, indices.SubItemIndex));
}
this.button.Visible = this.textBox.Visible = false;
this.button.Tag = this.textBox.Tag = null;
}
private void textBox_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
if (e.Alt || e.Control || e.Shift)
{
return;
}
this.button.Tag = this.textBox.Tag = null;
textBox.Visible = false;
button.Visible = false;
this.listView.Focus();
e.Handled = true;
}
else if (e.KeyCode == Keys.Enter)
{
if (e.Alt || e.Control || e.Shift)
{
return;
}
textBox.Visible = false;
button.Visible = false;
this.listView.Focus();
e.Handled = true;
}
else if (e.KeyCode == Keys.Tab)
{
if (e.Alt || e.Control)
{
return;
}
if (this.textBox.Tag == null)
{
return;
}
// copy from textbox to listview
ItemIndices indices = (ItemIndices)(this.textBox.Tag);
this.listView.Items[indices.ItemIndex].SubItems[indices.SubItemIndex].Text = textBox.Text;
if (textBox.Modified)
{
OnModifiedChanged(new ModifiedChangedEventArgs(textBox.Text, indices.ItemIndex, indices.SubItemIndex));
}
// advance to next editable field
do
{
NextIndex(ref indices, e.Shift);
} while (!IsEditable(indices.SubItemIndex));
StartEdit(indices);
this.button.Visible = HasButton(indices.SubItemIndex); // ==1);
}
else if (e.KeyCode == Keys.Up || e.KeyCode == Keys.Down)
{
// copy from textbox to listview
ItemIndices indices = (ItemIndices)(this.textBox.Tag);
this.listView.Items[indices.ItemIndex].SubItems[indices.SubItemIndex].Text = textBox.Text;
if (textBox.Modified)
{
OnModifiedChanged(new ModifiedChangedEventArgs(textBox.Text, indices.ItemIndex, indices.SubItemIndex));
}
// move editable field up or down
indices.ItemIndex += (e.KeyCode == Keys.Up)?-1:1;
if (indices.ItemIndex >= this.listView.Items.Count)
{
indices.ItemIndex = 0;
}
if (indices.ItemIndex < 0)
{
indices.ItemIndex = this.listView.Items.Count - 1;
}
StartEdit(indices);
}
}
