private void Btchangethematic_Click(object sender, EventArgs e)
{
if (listBox1.SelectedItem == null)
{
return;
}
GISLayer layer = Document.getLayer(listBox1.SelectedItem.ToString());
//唯一值地图
if (comboBox2.SelectedIndex == 0)
{
layer.MakeUnifiedValueMap();
GISThematic Thematic = layer.Thematics[layer.ThematicType];
Thematic.InsideColor = btfillcolor.BackColor;
Thematic.OutsideColor = btboundcolor.BackColor;
Thematic.Size = (tbdrawsize.Text == "") ? Thematic.Size : Int32.Parse(tbdrawsize.Text);
}
//独立值地图
else if (comboBox2.SelectedIndex == 1)
{
layer.MakeUniqueValueMap(comboBox3.SelectedIndex);
}
//分层设色地图
else if (comboBox2.SelectedIndex == 2)
{
if (layer.MakeGradualColor(comboBox3.SelectedIndex, Int32.Parse(tblevelnumber.Text)) == false)
{
MessageBox.Show("基于该属性无法绘制分层设色地图!!");
return;
}
}
//更新地图绘制
Mapwindow.UpdateMap();
}
private void ListBox1_SelectedIndexChanged(object sender, EventArgs e)
{
//用以应对listbox选择改变的情况 更改相应的项
if (listBox1.SelectedItem == null)
{
return;
}
GISLayer layer = Document.getLayer(listBox1.SelectedItem.ToString());//根据选中情况获取对应的layer
checkBox1.Checked = layer.Selectable;
checkBox2.Checked = layer.Visible;
checkBox3.Checked = layer.DrawAttributeOrNot;
comboBox1.Items.Clear();
for (int i = 0; i < layer.Fields.Count; i++)
{
comboBox1.Items.Add(layer.Fields[i].name);
comboBox3.Items.Add(layer.Fields[i].name);
}
comboBox1.SelectedIndex = (layer.Fields.Count > 0) ? layer.LabelIndex : -1;
comboBox3.SelectedIndex = (layer.Fields.Count > 0) ? layer.ThematicFieldIndex : -1;
fileaddr.Text = layer.Path;
textBox1.Text = layer.Name;
if (layer.ThematicType == THEMATICTYPE.UnifiedValue)
{
comboBox2.SelectedIndex = 0;
GISThematic Thematic = layer.Thematics[layer.ThematicType];
btfillcolor.BackColor = Thematic.InsideColor;
tbdrawsize.Text = Thematic.Size.ToString();
btboundcolor.BackColor = Thematic.OutsideColor;
}
else if (layer.ThematicType == THEMATICTYPE.UniqueValue)
{
comboBox2.SelectedIndex = 1;
}
else if (layer.ThematicType == THEMATICTYPE.GradualColor)
{
comboBox2.SelectedIndex = 2;
tblevelnumber.Text = layer.Thematics.Count.ToString();
}
}
