private void buttonAdd_Click(object sender, EventArgs e)
{
bool bFind = false;
foreach (var sort in listBox1.Items)
{
SortClass sc = (SortClass)sort;
if (sc.fieldName == comboBox1.Text)
{
bFind = true;
break;
}
}
if (!bFind)
{
SortClass sc = new SortClass();
sc.fieldName = comboBox1.Text;
if (comboBox2.SelectedIndex == 0)
{
sc.sortType = SortType.Asc;
}
else
{
sc.sortType = SortType.Desc;
}
listBox1.Items.Add(sc);
listBox1.SelectedIndex = listBox1.Items.Count - 1;
}
}
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)//显示
{
if (listBox1.SelectedIndex < 0)
{
return;
}
if (listBox1.SelectedIndex == 0)
{
button3.Enabled = false;
}
else
{
button3.Enabled = true;
}
if (listBox1.SelectedIndex == listBox1.Items.Count - 1)
{
button4.Enabled = false;
}
else
{
button4.Enabled = true;
}
SortClass sc = (SortClass)listBox1.SelectedItem;
comboBox1.SelectedIndex = comboBox1.FindString(sc.fieldName);
if (sc.sortType == SortType.Desc)
{
comboBox2.SelectedIndex = 1;
}
else
{
comboBox2.SelectedIndex = 0;
}
}
public SortClass Clone()
{
SortClass sc = new SortClass();
sc.fieldName = this.fieldName;
sc.sortType = this.sortType;
return(sc);
}
private void button3_Click(object sender, EventArgs e)//up
{
int oldIndex = listBox1.SelectedIndex;
if (oldIndex <= 0)
{
return;
}
SortClass sc = (SortClass)listBox1.SelectedItem;
SortClass sc_up = (SortClass)listBox1.Items[oldIndex - 1];
listBox1.Items[oldIndex - 1] = sc;
listBox1.Items[oldIndex] = sc_up;
listBox1.SelectedIndex = oldIndex - 1;
}
private void button4_Click(object sender, EventArgs e)//down
{
int oldIndex = listBox1.SelectedIndex;
if (oldIndex < 0)
{
return;
}
if (oldIndex > listBox1.Items.Count - 2)
{
return;
}
SortClass sc = (SortClass)listBox1.SelectedItem;
SortClass sc_down = (SortClass)listBox1.Items[oldIndex + 1];
listBox1.Items[oldIndex + 1] = sc;
listBox1.Items[oldIndex] = sc_down;
listBox1.SelectedIndex = oldIndex + 1;
}
