private void StartPaintTrace()
{
TasksPanel.CreateGraphics().Clear(Color.White);
foreach (TaskUI tk in TasksPanel.Controls)
{
foreach (NetPoint np in tk.Task.Connections)
{
TaskUI link = null;
foreach (TaskUI tik in TasksPanel.Controls)
{
if (tik.Task == np)
{
link = tik;
break;
}
}
if (link == null)
{
continue;
}
Graphics g = TasksPanel.CreateGraphics();
Pen p = new Pen(Color.Black, 3);
g.DrawLine(p, tk.APoint, link.APoint);
Point center = new Point((tk.APoint.X + link.APoint.X) / 2, (tk.APoint.Y + link.APoint.Y) / 2);
AdjustableArrowCap bigArrow = new AdjustableArrowCap(5, 5);
p.CustomEndCap = bigArrow;
g.DrawLine(p, tk.APoint, center);
}
}
DrawShortPath();
}
private void DrawShortPath()
{
if (way == null)
{
return;
}
Graphics g = TasksPanel.CreateGraphics();
Pen p = new Pen(Color.Red, 5);
List <TaskUI> tk = new List <TaskUI>();
foreach (NetPoint np in way)
{
foreach (TaskUI tik in TasksPanel.Controls)
{
if (tik.Task == np)
{
tk.Add(tik);
break;
}
}
}
for (int i = 0; i < tk.Count - 1; i++)
{
g.DrawLine(p, tk[i].APoint, tk[i + 1].APoint);
Point center = new Point((tk[i].APoint.X + tk[i + 1].APoint.X) / 2, (tk[i].APoint.Y + tk[i + 1].APoint.Y) / 2);
AdjustableArrowCap bigArrow = new AdjustableArrowCap(5, 5);
p.CustomEndCap = bigArrow;
g.DrawLine(p, tk[i].APoint, center);
}
}
private void LayoutTask(TaskControl task)
{
task.SuspendLayout();
TasksPanel.Controls.Add(task);
TasksPanel.ScrollControlIntoView(task);
task.ResumeLayout();
task.Width = TasksPanel.ClientSize.Width - 10;
}
/// <summary>
/// Обработчик события изменения данных внутри NetPoint для дальнейшей перерисовки панели.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RedrawTasks(object sender, EventArgs e)
{
Graphics gr = TasksPanel.CreateGraphics();
gr.Clear(Color.White);
gr.Dispose();
StartPaintTrace();
}
private void OpenCopyTask()
{
// Create an instance of the open file dialog box.
var ofd = new OpenFileDialog
{
Filter = "Text Files (.txt)|*.txt|All Files (*.*)|*.*",
FilterIndex = 1,
Multiselect = false
};
// Set filter options and filter index.
// Call the ShowDialog method to show the dialog box.
var dialogResult = ofd.ShowDialog();
// Process input if the user clicked OK.
if (dialogResult == DialogResult.OK)
{
ClearAllFields();
StreamReader inputReader = null;
try
{
// Open the selected file to read.
var tasksXML = new XmlDocument();
inputReader = new StreamReader(ofd.FileName, Encoding.UTF8);
tasksXML.Load(inputReader);
FileDirectory = Path.GetDirectoryName(ofd.FileName);
txtGeneralInstructions.Text = XMLUtil.GetChildNodeValue(tasksXML["copytask"], "general_instructions");
txtGeneralTitle.Text = XMLUtil.GetChildNodeValue(tasksXML["copytask"], "title");
txtGeneralDescription.Text = XMLUtil.GetChildNodeValue(tasksXML["copytask"], "description");
LanguageComboBox.SelectedItem = XMLUtil.GetChildNodeValue(tasksXML["copytask"], "language");
var taskNodes = tasksXML.DocumentElement.SelectNodes("task");
// Create a TaskControl object for each task node in xml document and add it to the taskspanel.
if (taskNodes != null)
{
foreach (XmlNode node in taskNodes)
{
var task = new TaskControl(node);
TasksPanel.Controls.Add(task);
TasksPanel.ScrollControlIntoView(task);
task.Width = TasksPanel.ClientSize.Width - 10;
}
_isExisting = true;
}
}
finally
{
inputReader?.Close();
}
}
}
private void TasksPanelSizeChanged(object sender, EventArgs e)
{
TasksPanel.SuspendLayout();
var taskControls = TasksPanel.Controls.
OfType <TaskControl>().ToList();
foreach (var task in taskControls)
{
task.Width = TasksPanel.ClientSize.Width - 10;
}
TasksPanel.ResumeLayout();
}
