public MyCash()
{
listInvoiceItem = new DataTable();
invoiceTotal = new DataTable();
InitializeComponent();
multi_selected = true;
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
position = 0;
pos_scroll_begin = 1;
track = false;
int n_rows = (vScrollBar1.Height-myItem1.Height)/myItem1.Height+2;
hash=new Hashtable();
pos_sroll_present = 0;
for (i = 1; i < n_rows; i++)
{
MyItem item = new MyItem(myItem1.Width, myItem1.Height);
item.Id = i;
item.Text = "myitems" + i;
item.Name = item.Text;
item.Location = new System.Drawing.Point(0,panel_Ban.Height+Label_Ban.Height+ i * myItem1.Height);
this.Controls.Add(item);
hash.Add(i,item);
}
i--;
pos_scroll_end = i;
}
public void invadiate_NonMultiSelected(MyItem item)
{
if(item.Add)
{
for (int k = 1; k <= hash.Count; k++)
{
MyItem tmp = (MyItem)hash[k];
if (tmp.Add)
{
if (tmp.Id == item.Id)
{
tmp.Set_selected(true);
}
else
{
tmp.Set_selected(false);
tmp.Click = false;
}
tmp.Invalidate();
}
}
}
}
private MyItem findRow(int id)
{
MyItem r = (MyItem)hash[id];
if(r==null)
{
MyItem item = new MyItem(myItem1.Width, myItem1.Height);
item.Id = id + 1;
return item;
}
return r;
}
public void addRow(string mota, string sl, string gia)
{
position ++;
if(position> pos_scroll_end)
{
if(position>i)
{
i++;
MyItem item = new MyItem(myItem1.Width,myItem1.Height);
item.Text = "myitems" + i;
item.Name = item.Text;
item.addRow(i, mota, sl, gia);
item.Set_selected();
hash.Add(position, item);
}
else
{
MyItem tmp = findRow(position);
tmp.addRow(tmp.Id, mota, sl, gia);
tmp.Set_selected();
hash.Remove(position);
hash.Add(position, tmp);
}
}
else
{
MyItem tmp = findRow(position);
tmp.addRow(position, mota, sl, gia);
tmp.Set_selected();
hash.Remove(position);
hash.Add(position, tmp);
}
}
private void ThumbTrack(ScrollEventArgs e)
{
if (e.OldValue == 91)
{
//MessageBox.Show("maxx");
}
else if (e.OldValue <= 0)
{
//MessageBox.Show("min");
}
else
{
if (e.NewValue > pos_sroll_present)
{
int n = e.NewValue - pos_sroll_present;
for (int j = 0; j < n; j++)
{
pos_scroll_begin++;
pos_scroll_end++;
if (pos_scroll_end > i)
{
i++;
MyItem item = new MyItem(myItem1.Width, myItem1.Height);
item.Text = "myitems" + i;
item.Id = i;
item.Name = item.Text;
hash.Add(i, item);
}
Controls.Remove(findRow(pos_scroll_begin - 1));
}
drawItems(myItem1.Height, pos_scroll_begin, pos_scroll_end);
pos_sroll_present = e.NewValue;
}
else
{
int n = pos_sroll_present - e.NewValue;
for (int j = 0; j < n; j++)
{
Controls.Remove(findRow(pos_scroll_end));
pos_scroll_begin--;
if (pos_scroll_begin < 1)
{
pos_scroll_begin = 1;
break;
}
pos_scroll_end--;
}
drawItems(myItem1.Height, pos_scroll_begin, pos_scroll_end);
pos_sroll_present = e.NewValue;
}
}
}
private void LargeIncrement(ScrollEventArgs e)
{
if (e.OldValue == 91)
{
}
else
{
for (int j = 0; j < 10; j++)
{
pos_scroll_begin++;
pos_scroll_end++;
if (pos_scroll_end > i)
{
i++;
MyItem item = new MyItem(myItem1.Width, myItem1.Height);
item.Text = "myitems" + i;
item.Name = item.Text;
item.Id = i;
hash.Add(i, item);
}
Controls.Remove(findRow(pos_scroll_begin - 1));
}
drawItems(myItem1.Height, pos_scroll_begin, pos_scroll_end);
pos_sroll_present = e.NewValue;
}
}
public void start()
{
listInvoiceItem = new DataTable();
invoiceTotal = new DataTable();
multi_selected = true;
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
position = 0;
pos_scroll_begin = 1;
track = false;
vScrollBar1.Value = 0;
int n_rows = (vScrollBar1.Height - myItem1.Height) / myItem1.Height + 2;
int count = this.Controls.Count - 1;
for (int j = count; j >= 0; j--)
{
if(this.Controls[j] is MyItem)
{
if (this.Controls[j].Name != "myItem1")
{
var a = this.Controls[j];
this.Controls.Remove(this.Controls[j]);
a.Dispose();
}
}
//if (this.Controls[j].Name.StartsWith("myitems"))
//{
// var a = this.Controls[j];
// this.Controls.Remove(this.Controls[j]);
// a.Dispose();
// //j--;
//}
}
this.Invalidate();
hash.Clear();
hash = new Hashtable();
pos_sroll_present = 0;
for (i = 1; i < n_rows; i++)
{
MyItem item = new MyItem(myItem1.Width, myItem1.Height);
item.Id = i;
item.Text = "myitems" + i;
item.Name = item.Text;
item.Location = new System.Drawing.Point(0, panel_Ban.Height + Label_Ban.Height + i * myItem1.Height);
this.Controls.Add(item);
hash.Add(i, item);
}
i--;
pos_scroll_end = i;
}