#region License Information
/* HeuristicLab
* Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Windows.Forms;
using HeuristicLab.Common;
using HeuristicLab.MainForm;
using HeuristicLab.Persistence.Default.Xml;
namespace HeuristicLab.Core.Views {
///
/// Base class for editors of engines.
///
[Content(typeof(Engine), true)]
[Content(typeof(IEngine), false)]
public partial class EngineView : ItemView {
protected TypeSelectorDialog typeSelectorDialog;
private int executionTimeCounter;
///
/// Gets or sets the current engine.
///
/// Uses property of base class .
public new IEngine Content {
get { return (IEngine)base.Content; }
set { base.Content = value; }
}
///
/// Initializes a new instance of .
///
public EngineView() {
InitializeComponent();
}
public EngineView(IEngine content)
: this() {
Content = content;
}
///
/// Removes the event handlers from the underlying .
///
/// Calls of base class .
protected override void DeregisterContentEvents() {
Content.OperatorGraphChanged -= new EventHandler(Content_OperatorGraphChanged);
Content.Prepared -= new EventHandler(Content_Prepared);
Content.Started -= new EventHandler(Content_Started);
Content.Stopped -= new EventHandler(Content_Stopped);
Content.ExecutionTimeChanged -= new EventHandler(Content_ExecutionTimeChanged);
Content.ExceptionOccurred -= new EventHandler>(Content_ExceptionOccurred);
base.DeregisterContentEvents();
}
///
/// Adds event handlers to the underlying .
///
/// Calls of base class .
protected override void RegisterContentEvents() {
base.RegisterContentEvents();
Content.OperatorGraphChanged += new EventHandler(Content_OperatorGraphChanged);
Content.Prepared += new EventHandler(Content_Prepared);
Content.Started += new EventHandler(Content_Started);
Content.Stopped += new EventHandler(Content_Stopped);
Content.ExecutionTimeChanged += new EventHandler(Content_ExecutionTimeChanged);
Content.ExceptionOccurred += new EventHandler>(Content_ExceptionOccurred);
}
///
/// Updates all controls with the latest data of the model.
///
/// Calls of base class .
protected override void OnContentChanged() {
base.OnContentChanged();
stopButton.Enabled = false;
if (Content == null) {
newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = saveOperatorGraphButton.Enabled = false;
operatorGraphViewHost.Enabled = false;
scopeView.Enabled = false;
startButton.Enabled = resetButton.Enabled = false;
executionTimeTextBox.Enabled = false;
} else {
newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = saveOperatorGraphButton.Enabled = true;
operatorGraphViewHost.Content = Content.OperatorGraph;
operatorGraphViewHost.Enabled = true;
scopeView.Content = Content.GlobalScope;
scopeView.Enabled = true;
startButton.Enabled = !Content.Finished;
resetButton.Enabled = true;
UpdateExecutionTimeTextBox();
executionTimeTextBox.Enabled = true;
}
}
#region Content Events
protected virtual void Content_OperatorGraphChanged(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_OperatorGraphChanged), sender, e);
else
operatorGraphViewHost.Content = Content.OperatorGraph;
}
protected virtual void Content_Prepared(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_Prepared), sender, e);
else {
newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = saveOperatorGraphButton.Enabled = true;
operatorGraphViewHost.Enabled = true;
scopeView.Enabled = true;
startButton.Enabled = !Content.Finished;
stopButton.Enabled = false;
resetButton.Enabled = true;
UpdateExecutionTimeTextBox();
}
}
protected virtual void Content_Started(object sender, EventArgs e) {
executionTimeCounter = 0;
if (InvokeRequired)
Invoke(new EventHandler(Content_Started), sender, e);
else {
newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = saveOperatorGraphButton.Enabled = false;
operatorGraphViewHost.Enabled = false;
scopeView.Enabled = false;
startButton.Enabled = false;
stopButton.Enabled = true;
resetButton.Enabled = false;
UpdateExecutionTimeTextBox();
}
}
protected virtual void Content_Stopped(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_Stopped), sender, e);
else {
newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = saveOperatorGraphButton.Enabled = true;
operatorGraphViewHost.Enabled = true;
scopeView.Enabled = true;
startButton.Enabled = !Content.Finished;
stopButton.Enabled = false;
resetButton.Enabled = true;
UpdateExecutionTimeTextBox();
}
}
protected virtual void Content_ExecutionTimeChanged(object sender, EventArgs e) {
executionTimeCounter++;
if ((executionTimeCounter == 100) || !Content.Running) {
executionTimeCounter = 0;
UpdateExecutionTimeTextBox();
}
}
protected virtual void Content_ExceptionOccurred(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler>(Content_ExceptionOccurred), sender, e);
else
Auxiliary.ShowErrorMessageBox(e.Value);
}
#endregion
#region Button events
protected void newOperatorGraphButton_Click(object sender, EventArgs e) {
Content.OperatorGraph = new OperatorGraph();
}
protected void openOperatorGraphButton_Click(object sender, EventArgs e) {
openFileDialog.Title = "Open Operator Graph";
if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
OperatorGraph operatorGraph = null;
try {
operatorGraph = XmlParser.Deserialize(openFileDialog.FileName) as OperatorGraph;
}
catch (Exception ex) {
Auxiliary.ShowErrorMessageBox(ex);
}
if (operatorGraph == null)
MessageBox.Show(this, "Selected file does not contain an operator graph.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error);
else
Content.OperatorGraph = operatorGraph;
}
}
protected void saveOperatorGraphButton_Click(object sender, EventArgs e) {
saveFileDialog.Title = "Save Operator Graph";
if (saveFileDialog.ShowDialog(this) == DialogResult.OK) {
try {
if (saveFileDialog.FilterIndex == 1)
XmlGenerator.Serialize(Content.OperatorGraph, saveFileDialog.FileName, 0);
else
XmlGenerator.Serialize(Content.OperatorGraph, saveFileDialog.FileName, 9);
}
catch (Exception ex) {
Auxiliary.ShowErrorMessageBox(ex);
}
}
}
protected virtual void startButton_Click(object sender, EventArgs e) {
Content.Start();
}
protected virtual void stopButton_Click(object sender, EventArgs e) {
Content.Stop();
}
protected virtual void resetButton_Click(object sender, EventArgs e) {
Content.Prepare();
}
#endregion
#region Helpers
protected virtual void UpdateExecutionTimeTextBox() {
if (InvokeRequired)
Invoke(new Action(UpdateExecutionTimeTextBox));
else
executionTimeTextBox.Text = Content.ExecutionTime.ToString();
}
#endregion
}
}