#region License Information
/* HeuristicLab
* Copyright (C) 2002-2012 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.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using HeuristicLab.Core.Views;
using HeuristicLab.MainForm;
using HeuristicLab.Visualization.ChartControlsExtensions;
namespace HeuristicLab.Clients.Hive.Views {
[View("StateLogGanttChartList View")]
[Content(typeof(StateLogListList), true)]
public sealed partial class StateLogGanttChartListView : ItemView {
private IList invisibleLegendItems;
public new StateLogListList Content {
get { return (StateLogListList)base.Content; }
set { base.Content = value; }
}
public StateLogGanttChartListView() {
InitializeComponent();
invisibleLegendItems = new List();
ganttChart.chart.MouseMove += new System.Windows.Forms.MouseEventHandler(chart_MouseMove);
ganttChart.chart.MouseDown += new System.Windows.Forms.MouseEventHandler(chart_MouseDown);
ganttChart.chart.CustomizeLegend += new EventHandler(chart_CustomizeLegend);
}
protected override void DeregisterContentEvents() {
base.DeregisterContentEvents();
}
protected override void RegisterContentEvents() {
base.RegisterContentEvents();
}
protected override void OnContentChanged() {
base.OnContentChanged();
ganttChart.Reset();
if (Content != null) {
SetupCategories(ganttChart);
if (Content.Count > 0) {
DateTime maxValue = Content.Max(x => x.Count > 0 ? x.Max(y => y.DateTime) : DateTime.MinValue);
DateTime minValue = Content.Min(x => x.Count > 0 ? x.Min(y => y.DateTime) : DateTime.MinValue);
DateTime upperLimit;
if (Content.All(x => x.Count > 0 ? (x.Last().State == TaskState.Finished || x.Last().State == TaskState.Failed || x.Last().State == TaskState.Aborted) : true)) {
upperLimit = DateTime.FromOADate(Math.Min(DateTime.Now.AddSeconds(10).ToOADate(), maxValue.AddSeconds(10).ToOADate()));
} else {
upperLimit = DateTime.Now;
}
if ((upperLimit - minValue) > TimeSpan.FromDays(1)) {
this.ganttChart.chart.Series[0].YValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Date;
} else {
this.ganttChart.chart.Series[0].YValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Time;
}
for (int i = Content.Count - 1; i >= 0; i--) {
for (int j = 0; j < Content[i].Count - 1; j++) {
if (Content[i][j].State != TaskState.Offline && invisibleLegendItems.All(x => x.Name != Content[i][j].State.ToString()))
AddData(ganttChart, i.ToString(), Content[i][j], Content[i][j + 1], upperLimit);
}
if (Content[i].Count > 0 && invisibleLegendItems.All(x => x.Name != Content[i][Content[i].Count - 1].State.ToString())) {
AddData(ganttChart, i.ToString(), Content[i][Content[i].Count - 1], null, upperLimit);
}
}
}
}
}
public static void SetupCategories(GanttChart ganttChart) {
ganttChart.AddCategory(TaskState.Offline.ToString(), Color.Gainsboro);
ganttChart.AddCategory(TaskState.Waiting.ToString(), Color.NavajoWhite);
ganttChart.AddCategory(TaskState.Paused.ToString(), Color.PaleVioletRed);
ganttChart.AddCategory(TaskState.Transferring.ToString(), Color.CornflowerBlue);
ganttChart.AddCategory(TaskState.Calculating.ToString(), Color.DarkGreen);
ganttChart.AddCategory(TaskState.Finished.ToString(), Color.White);
ganttChart.AddCategory(TaskState.Aborted.ToString(), Color.Orange);
ganttChart.AddCategory(TaskState.Failed.ToString(), Color.Red);
}
public static void AddData(GanttChart ganttChart, string name, StateLog from, StateLog to, DateTime upperLimit) {
DateTime until = to != null ? to.DateTime : upperLimit;
TimeSpan duration = until - from.DateTime;
string tooltip = string.Format("Task: {0} " + Environment.NewLine + "Task Id: {1}" + Environment.NewLine + "State: {2} " + Environment.NewLine + "Duration: {3} " + Environment.NewLine + "{4} - {5}" + Environment.NewLine, from.TaskName, from.TaskId, from.State, duration, from.DateTime, until);
if (to != null && to.SlaveId != null)
tooltip += "Slave: " + to.SlaveId;
if (!string.IsNullOrEmpty(from.Exception))
tooltip += Environment.NewLine + from.Exception;
ganttChart.AddData(name, from.State.ToString(), from.DateTime, until, tooltip, false);
}
protected override void SetEnabledStateOfControls() {
base.SetEnabledStateOfControls();
}
#region Events
void chart_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) {
HitTestResult result = ganttChart.chart.HitTest(e.X, e.Y);
if (result.ChartElementType == ChartElementType.LegendItem)
Cursor = Cursors.Hand;
else
Cursor = Cursors.Default;
}
private void chart_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) {
HitTestResult result = ganttChart.chart.HitTest(e.X, e.Y);
if (result.ChartElementType == ChartElementType.LegendItem)
ToggleLegendItemVisibility(result.Object as LegendItem);
ganttChart.Reset();
OnContentChanged();
}
private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e) {
foreach (var item in e.LegendItems)
foreach (var cell in item.Cells)
cell.ForeColor = invisibleLegendItems.Any(x => x.Name == item.Name) ? Color.Gray : Color.Black;
}
#endregion
#region Helpers
private void ToggleLegendItemVisibility(LegendItem legendItem) {
var item = invisibleLegendItems.FirstOrDefault(x => x.Name == legendItem.Name);
if (item != null) invisibleLegendItems.Remove(item);
else invisibleLegendItems.Add(legendItem);
}
#endregion
}
}