//响应保存按钮
private void OnVertexSave(object sender, RoutedEventArgs e)
{
if (newEllipse == null && targetEllipse == null)
{
return;
}
if (VertexName.Text.Equals(""))
{
return;
}
string name = "_" + VertexName.Text;
int popularity;
string info = VertexInfo.Text;
bool restArea = HasRestArea.IsChecked.Value;
bool WC = HasWC.IsChecked.Value;
//如果用户输入的内容不符合规制，
if (int.TryParse(VertexPopularityTextBox.Text, out popularity) == false || name.Equals(""))
{
PromptChange.Visibility = Visibility.Visible;
return;
}
uint popu = uint.Parse(popularity.ToString());
//如果不是新的点
Console.WriteLine("onsaveVertex");
if (VertexAdj.ContainsKey(name))
{
Vertex v = VertexAdj[name];
v.reset(popu, info, restArea, WC);
ScenicDll.CreateNewVertex(name, popu, info, restArea, WC);
VertexAdj[name] = v;
}
else if (newEllipse != null)//如果是新的点
{
Vertex v = new Vertex(name, popu, info, restArea, WC);
v.number = ScenicDll.CreateNewVertex(name, popu, info, restArea, WC);
VertexAdj.Add(v.name, v);
//点保存之后，设置点上的景点名称
TextBlock newTextBlock = new TextBlock();
newTextBlock.Text = v.name.Substring(1, v.name.Length - 1);
Canvas.SetTop(newTextBlock, Canvas.GetTop(newEllipse) - 15);
Canvas.SetLeft(newTextBlock, Canvas.GetLeft(newEllipse) + 25);
Canvas.SetZIndex(newTextBlock, 1001);
newTextBlock.Name = v.name + "TextBlcok";
LTLCanvas.Children.Add(newTextBlock);
newEllipse.Name = v.name;
newEllipse = null;
}
//添加之后放弃指向
PromptChange.Visibility = Visibility.Hidden;
VertexName.Text = "";
VertexInfo.Text = "";
VertexPopularityTextBox.Text = "0";
}
private void OnSortByPopularity(object sender, RoutedEventArgs e)
{
StringBuilder msg = new StringBuilder(1024);
Console.WriteLine("OnSortByPopularity::" + ScenicDll.SortByPopularity(msg));
Information.Text = msg.ToString();
}
private void OnMiniSpanTree(object sender, RoutedEventArgs e)
{
StringBuilder msg = new StringBuilder(1024);
Console.WriteLine("MiniSpanTree::" + ScenicDll.MiniSpanTree(msg));
Information.Text = msg.ToString();
}
private void OnLoopWay(object sender, RoutedEventArgs e)
{
StringBuilder msg = new StringBuilder(1024);
Console.WriteLine("GetLoopGraph:: " + ScenicDll.GetLoopGraph(msg));
Information.Text = msg.ToString();
}
private void OnTourGraph(object sender, RoutedEventArgs e)
{
StringBuilder msg = new StringBuilder(1024);
Console.WriteLine(ScenicDll.GetTourGuide(msg));
Information.Text = "导游图为： " + msg.ToString();
}
private void OnKeySearch(object sender, RoutedEventArgs e)
{
StringBuilder msg = new StringBuilder(1024);
msg.Append(keyWord.Text);
Console.WriteLine("OnSortByPopularity::" + ScenicDll.KeySearch(msg));
Information.Text = msg.ToString();
}
private void OnMiniDistance(object sender, RoutedEventArgs e)
{
if (startVertex.Text == "" || endVertex.Text == "")
{
return;
}
string start = "_" + startVertex.Text;
string end = "_" + endVertex.Text;
StringBuilder msg = new StringBuilder(1024);
ScenicDll.MiniDistance(msg, start, end);
Information.Text = msg.ToString();
}
//保存边
private void OnSaveEdge(object sender, RoutedEventArgs e)
{
if (startEllipse == endEllipse)
{
return;
}
//如果起点或终点为空，那么边保存无效
if (startEllipse == null || endEllipse == null)
{
if (newPath != null)
{
PathList.Remove(newPath);
LTLCanvas.Children.Remove(newPath);
}
}
else
{
string startName = startEllipse.Name;
string endName = endEllipse.Name;
//确保边权重是个数
int distance;
if (int.TryParse(EdgeDistance.Text, out distance) == false)
{
PromptChange.Visibility = Visibility.Visible;
return;
}
uint dis = uint.Parse(distance.ToString());
uint edgesN = ScenicDll.CreateNewEdge(startName, endName, dis);
Console.WriteLine("edgesN = " + edgesN);
}
//将相关引用置空
startEllipse = null;
endEllipse = null;
newPath = null;
PromptChange.Visibility = Visibility.Hidden;
EdgeDistance.Text = "0";
}