xenadmin/XenAdmin/Controls/Wlb/WlbOptModeScheduler.cs
Konstantina Chremmou d7b519a53c Updated copyright notice on files.
Signed-off-by: Konstantina Chremmou <Konstantina.Chremmou@cloud.com>
2023-01-30 16:24:16 +00:00

795 lines
30 KiB
C#

/* Copyright (c) Cloud Software Group, Inc.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using XenAdmin.Core;
using XenAdmin.Dialogs;
using XenAdmin.Dialogs.Wlb;
using XenAdmin.Wlb;
using XenAPI;
namespace XenAdmin.Controls.Wlb
{
public partial class WlbOptModeScheduler : UserControl
{
#region Color Constants
private Color COLOR_MAX_PERFORMANCE = Color.White; // Color.FromArgb(30, 49, 191);
private Color COLOR_MAX_DENSITY = Color.White; // Color.FromArgb(30, 191, 30);
private Color COLOR_MAX_PERFORMANCE_SUBITEM_TEXT = Color.Black; //Color.White;
private Color COLOR_MAX_DENSITY_SUBITEM_TEXT = Color.DarkGreen; //Color.White;
private Color COLOR_HIGHLIGHTED_MAX_PERFORMANCE_SUBITEM_TEXT = Color.White; //Color.White;
private Color COLOR_HIGHLIGHTED_MAX_DENSITY_SUBITEM_TEXT = Color.LightGreen; //Color.White;
private Color COLOR_NEW_DAY = Color.LightBlue; // Color.Yellow;
private Color COLOR_DISABLED_TASK = Color.Gray;
private Color COLOR_DUPLICATE_TASK = Color.Red;
#endregion
#region Private Fields
private WlbScheduledTasks _scheduledTasks;
private int _newTaskId = 0;
private WlbPoolPerformanceMode _baseMode = WlbPoolPerformanceMode.MaximizePerformance;
private Pool _pool = null;
private bool _hasChanged = false;
private bool _initializing = false;
// Listview minimum column widths
private int[] minimumColumnWidths = { 0, 60, 60, 60, 60 };
#endregion Private Fields
#region Public CTor
public WlbOptModeScheduler()
{
InitializeComponent();
}
#endregion Public CTor
#region Public Properties
public Pool Pool
{
set
{
_pool = value;
InitializeControls();
}
}
public WlbPoolPerformanceMode BaseMode
{
set
{
_baseMode = value;
InitializeControls();
}
}
public WlbScheduledTasks ScheduledTasks
{
get { return _scheduledTasks; }
set
{
if (null != value)
{
_scheduledTasks = new WlbScheduledTasks();
//Clone the tasks so local edits don't affect the base collection
foreach (string key in value.TaskList.Keys)
{
_scheduledTasks.TaskList.Add(key, value.TaskList[key]);
}
InitializeControls();
}
}
}
public bool HasChanged
{
get { return _hasChanged; }
}
#endregion Public Properties
#region Public Methods
public void RefreshScheduleList()
{
PopulateListView();
}
#endregion
#region Private Methods
private void SetUpListView()
{
lvTaskList.Columns[0].Width = 0; // sorting column
if (lvTaskList.Columns.Count > 1)
{
for (int iCol = 1; iCol < lvTaskList.Columns.Count; iCol++)
{
lvTaskList.Columns[iCol].Width = lvTaskList.Width / (lvTaskList.Columns.Count - 1);
}
}
lvTaskList.ListViewItemSorter = new ListViewItemComparer(0);
}
private void InitializeControls()
{
typeof(WeekView).InvokeMember("DoubleBuffered", System.Reflection.BindingFlags.SetProperty | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic, null, weekView1, new object[] { true });
if (null != _pool && null != _scheduledTasks)
{
_initializing = true;
buttonEdit.Enabled = false;
buttonDelete.Enabled = false;
SetUpListView();
PopulateListView();
//PopulateWeekView();
_initializing = false;
}
}
private void PopulateListView()
{
weekView1.ClearTriggerPoints();
lvTaskList.Items.Clear();
foreach (int key in _scheduledTasks.VirtualTaskList.Keys)
{
//WlbScheduledTask task = _scheduledTasks.SortedTaskList[key];
WlbScheduledTask task = _scheduledTasks.VirtualTaskList[key];
WlbScheduledTask parentTask = _scheduledTasks.TaskList[_scheduledTasks.VirtualTaskList[key].TaskId.ToString()];
DateTime localRunTime;
WlbScheduledTask.WlbTaskDaysOfWeek localDaysOfWeek;
WlbScheduledTask.GetLocalTaskTimes((task.DaysOfWeek), task.RunTime, out localDaysOfWeek, out localRunTime);
ListViewItem item = new ListViewItem();
item.Text = key.ToString();
item.SubItems.Add(GetTaskOptMode(task) == WlbPoolPerformanceMode.MaximizeDensity ? Messages.WLB_OPT_MODE_MAXIMIZEDENSITY : Messages.WLB_OPT_MODE_MAXIMIZEPERFORMANCE);
item.SubItems.Add(GetTaskDayOfWeek(localDaysOfWeek, parentTask.DaysOfWeek));
item.SubItems.Add(GetTaskRunTime(localRunTime));
item.SubItems.Add(task.Enabled ? Messages.YES : Messages.NO);
item.Tag = task;
lvTaskList.Items.Add(item);
if (task.Enabled)
{
//DateTime localRunTime;
//WlbScheduledTask.WlbTaskDaysOfWeek localDaysOfWeek;
WlbScheduledTask.GetLocalTaskTimes((task.DaysOfWeek), task.RunTime, out localDaysOfWeek, out localRunTime);
string toolTipText = string.Format("Change to {0} mode at {1} on {2}", WlbScheduledTask.GetTaskOptMode(task), GetTaskRunTime(localRunTime), WlbScheduledTask.DaysOfWeekL10N(localDaysOfWeek));
TriggerPoint triggerPoint = new TriggerPoint();
triggerPoint.Day = WlbScheduledTask.ConvertFromWlbTaskDayOfWeek(localDaysOfWeek);
triggerPoint.Hour = localRunTime.Hour;
triggerPoint.Color = GetTaskOptMode(task) == WlbPoolPerformanceMode.MaximizePerformance ? Color.Blue : Color.Green;
triggerPoint.ToolTip = toolTipText;
triggerPoint.Tag = task.TaskId;
weekView1.AddTriggerPoint(triggerPoint);
}
}
lvTaskList.Sort();
EnableButtons();
}
private void FixColumnWidths()
{
//Make sure the last column always spans the width of the control
int otherColumnWidths = 0;
if (lvTaskList.Columns.Count > 0)
{
// skip sorting column (index 0)
for (int i = 1; i < (lvTaskList.Columns.Count - 1); i++)
{
otherColumnWidths += lvTaskList.Columns[i].Width;
}
if (otherColumnWidths < lvTaskList.Width)
{
lvTaskList.ColumnWidthChanged -= new System.Windows.Forms.ColumnWidthChangedEventHandler(lvTaskList_ColumnWidthChanged);
lvTaskList.Columns[lvTaskList.Columns.Count - 1].Width = lvTaskList.Width - otherColumnWidths;
lvTaskList.ColumnWidthChanged += new System.Windows.Forms.ColumnWidthChangedEventHandler(lvTaskList_ColumnWidthChanged);
}
}
}
private void AddTask()
{
WlbEditScheduledTask addTask = new WlbEditScheduledTask(_newTaskId--, WlbScheduledTask.WlbTaskActionType.SetOptimizationMode);
DialogResult dr = addTask.ShowDialog();
if (DialogResult.OK == dr)
{
WlbScheduledTask newTask = addTask.Task;
newTask.Owner = _pool.Connection.Username;
newTask.LastTouchedBy = _pool.Connection.Username;
newTask.AddTaskParameter("PoolUUID", _pool.uuid);
WlbScheduledTask checkTask = CheckForDuplicateTask(newTask);
if (null != checkTask)
{
using (var dlg = new WarningDialog(Messages.WLB_TASK_SCHEDULE_CONFLICT_BLURB)
{WindowTitle = Messages.WLB_TASK_SCHEDULE_CONFLICT_TITLE})
{
dlg.ShowDialog(this);
}
SelectTask(checkTask.TaskId);
}
else
{
_scheduledTasks.TaskList.Add(newTask.TaskId.ToString(), newTask);
PopulateListView();
_hasChanged = true;
}
}
}
private void EditTask(WlbScheduledTask task)
{
WlbScheduledTask editTask = task.Clone();
WlbEditScheduledTask taskEditor = new WlbEditScheduledTask(editTask);
DialogResult dr = taskEditor.ShowDialog();
if (DialogResult.OK == dr)
{
WlbScheduledTask checkTask = CheckForDuplicateTask(editTask);
if (null != checkTask)
{
using (var dlg = new WarningDialog(Messages.WLB_TASK_SCHEDULE_CONFLICT_BLURB)
{WindowTitle = Messages.WLB_TASK_SCHEDULE_CONFLICT_TITLE})
{
dlg.ShowDialog(this);
}
SelectTask(checkTask.TaskId);
}
else
{
editTask.LastTouchedBy = _pool.Connection.Username;
editTask.LastTouched = DateTime.UtcNow;
_scheduledTasks.TaskList[editTask.TaskId.ToString()] = editTask;
PopulateListView();
_hasChanged = true;
}
}
}
private WlbScheduledTask CheckForDuplicateTask(WlbScheduledTask newTask)
{
WlbScheduledTask checkTask;
foreach (string key in _scheduledTasks.TaskList.Keys)
{
checkTask = _scheduledTasks.TaskList[key];
if (checkTask.Enabled && !checkTask.DeleteTask)
{
if ((checkTask.ActionType == newTask.ActionType) &&
((checkTask.DaysOfWeek & newTask.DaysOfWeek) == checkTask.DaysOfWeek ||
(checkTask.DaysOfWeek & newTask.DaysOfWeek) == newTask.DaysOfWeek) &&
(string.Compare(HelpersGUI.DateTimeToString(checkTask.RunTime, "t", false), HelpersGUI.DateTimeToString(newTask.RunTime, "t", false)) == 0) &&
(checkTask.TaskId != newTask.TaskId))
{
return checkTask; // taskExists = true;
}
}
}
return null;
}
private void DeleteTask(WlbScheduledTask task)
{
// if this is a new, unsaved task, simply delete it from the collection
if (task.TaskId <= 0)
{
_scheduledTasks.TaskList.Remove(task.TaskId.ToString());
}
// otherwise, leave it in the collection but mark it for deletion
else
{
task.DeleteTask = true;
}
PopulateListView();
_hasChanged = true;
}
private void EnableTask(WlbScheduledTask task)
{
//If we are trying to enable the task, check to see if it is a duplicate before allowing it
if (!task.Enabled)
{
//We need to pretend the task is enabled to check for duplicates
WlbScheduledTask enabledTask = task.Clone();
enabledTask.Enabled = true;
WlbScheduledTask checkTask = CheckForDuplicateTask(enabledTask);
//if it's a duplicate task, display warning and return
if (null != checkTask)
{
using (var dlg = new WarningDialog(Messages.WLB_TASK_SCHEDULE_CONFLICT_BLURB)
{WindowTitle = Messages.WLB_TASK_SCHEDULE_CONFLICT_TITLE})
{
dlg.ShowDialog(this);
}
SelectTask(checkTask.TaskId);
return;
}
}
task.Enabled = !task.Enabled;
PopulateListView();
_hasChanged = true;
}
private void EnableButtons()
{
// If an item is selected, enable the edit and delete buttons
buttonEdit.Enabled = (lvTaskList.SelectedItems != null && lvTaskList.SelectedItems.Count > 0);
buttonDelete.Enabled = (lvTaskList.SelectedItems != null && lvTaskList.SelectedItems.Count > 0);
}
private void HighlightTrigger()
{
weekView1.TriggerPoints.ClearSelected();
if (lvTaskList.SelectedItems.Count > 0)
{
int selectedTaskId = ((WlbScheduledTask)lvTaskList.SelectedItems[0].Tag).TaskId;
TriggerPoints triggerPoints = weekView1.TriggerPoints.FindByTag(selectedTaskId);
if (null != triggerPoints)
{
foreach (TriggerPoint triggerPoint in triggerPoints.List.Values)
{
triggerPoint.IsSelected = true;
}
}
weekView1.Refresh();
}
}
private void SelectTask(int taskId)
{
foreach (ListViewItem listViewItem in lvTaskList.Items)
{
if (((WlbScheduledTask)listViewItem.Tag).TaskId == taskId)
{
listViewItem.Selected = true;
}
else
{
listViewItem.Selected = false;
}
}
}
private void EnableTask_Click(object sender, EventArgs e)
{
EnableTask(TaskFromItem(lvTaskList.SelectedItems[0]));
}
#endregion Private Methods
#region Private Static Methods
private static WlbPoolPerformanceMode GetTaskOptMode(WlbScheduledTask task)
{
WlbPoolPerformanceMode mode = WlbPoolPerformanceMode.MaximizePerformance;
if (task.TaskParameters["OptMode"] == "0")
{
mode = WlbPoolPerformanceMode.MaximizePerformance;
}
else
{
mode = WlbPoolPerformanceMode.MaximizeDensity;
}
return mode;
}
/// <summary>
/// Returns the number of bit set in an integer
/// </summary>
public static uint Bitcount(int n)
{
uint count = 0;
while (n != 0)
{
count++;
n &= (n - 1);
}
return count;
}
private static string GetTaskDayOfWeek(WlbScheduledTask.WlbTaskDaysOfWeek taskDaysOfWeek)
{
return WlbScheduledTask.DaysOfWeekL10N(taskDaysOfWeek);
}
private static string GetTaskDayOfWeek(WlbScheduledTask.WlbTaskDaysOfWeek taskDaysOfWeek,
WlbScheduledTask.WlbTaskDaysOfWeek taskDaysofWeekSortedList)
{
string returnStr = "";
returnStr += WlbScheduledTask.DaysOfWeekL10N(taskDaysOfWeek);
//count the bits set in days of week.
//this workaround had to be made to determine whether the original task was set for
//weekends/weekdays/alldays
uint bitCount = Bitcount((int)taskDaysofWeekSortedList);
if (bitCount == 2)
{
returnStr += " (" + Messages.ResourceManager.GetString("WLB_DAY_WEEKENDS") + ")";
}
else if (bitCount == 5)
{
returnStr += " (" + Messages.ResourceManager.GetString("WLB_DAY_WEEKDAYS") + ")";
}
else if (bitCount == 7)
{
returnStr += " (" + Messages.ResourceManager.GetString("WLB_DAY_ALL") + ")";
}
return returnStr;
}
public static string GetTaskRunTime(DateTime time)
{
return HelpersGUI.DateTimeToString(time, Messages.DATEFORMAT_HM, true);
}
#endregion Private Static Methods
#region ListView Custom Rendering Event Handlers
private void lvTaskList_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
// Draw default column header
e.DrawDefault = true;
}
private WlbScheduledTask TaskFromItem(ListViewItem item)
{
return _scheduledTasks.TaskList[((WlbScheduledTask)item.Tag).TaskId.ToString()];
}
private void lvTaskList_DrawItem(object sender, DrawListViewItemEventArgs e)
{
//Get the task associated with the list view item
WlbScheduledTask task = TaskFromItem(e.Item);
//Set the row color based on the Opt Mode
Color color = GetTaskOptMode(task) == WlbPoolPerformanceMode.MaximizePerformance ? COLOR_MAX_PERFORMANCE : COLOR_MAX_DENSITY;
if (!task.Enabled)
{
color = COLOR_DISABLED_TASK;
}
// Fill the full width of the control, not just to the end of the column headers.
Rectangle rect = e.Bounds;
int i = 0;
foreach (ColumnHeader col in lvTaskList.Columns)
{
i += col.Width;
}
// Fill from the right of the rightmost item to the end of the control
rect.Width = Math.Max(i, lvTaskList.ClientSize.Width);
rect.X = i;
if (e.Item.Selected)
{
using (SolidBrush brush = new SolidBrush(SystemColors.Highlight))
e.Graphics.FillRectangle(brush, rect);
}
else
{
Rectangle topRect = new Rectangle(rect.X, rect.Y, rect.Width, rect.Height / 2);
Rectangle botRect = new Rectangle(rect.X, rect.Y + topRect.Height, rect.Width, rect.Height / 2);
if (e.ItemIndex == 0 || (e.ItemIndex > 0 && lvTaskList.Items[e.ItemIndex - 1].SubItems[2].Text != e.Item.SubItems[2].Text))
{
using (LinearGradientBrush brush = new LinearGradientBrush(topRect, COLOR_NEW_DAY, ControlPaint.LightLight(color), 90f)) // SystemBrushes.Highlight;
{
e.Graphics.FillRectangle(brush, topRect);
}
}
else
{
using (LinearGradientBrush brush = new LinearGradientBrush(topRect, color, ControlPaint.LightLight(color), 90f)) // SystemBrushes.Highlight;
{
e.Graphics.FillRectangle(brush, topRect);
}
}
using (LinearGradientBrush brush = new LinearGradientBrush(botRect, ControlPaint.LightLight(color), color, 90f)) // SystemBrushes.Highlight;
{
e.Graphics.FillRectangle(brush, botRect);
}
}
}
private void lvTaskList_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
{
//Get the task associated with the list view item
WlbScheduledTask task = TaskFromItem(e.Item);
//Set the row color based on the Opt Mode
Color color = GetTaskOptMode(task) == WlbPoolPerformanceMode.MaximizePerformance ? COLOR_MAX_PERFORMANCE : COLOR_MAX_DENSITY;
Color subItemTextColor = GetTaskOptMode(task) == WlbPoolPerformanceMode.MaximizePerformance ? COLOR_MAX_PERFORMANCE_SUBITEM_TEXT : COLOR_MAX_DENSITY_SUBITEM_TEXT;
if (!task.Enabled)
{
subItemTextColor = COLOR_DISABLED_TASK;
}
//Get the base rectangle
Rectangle rect = e.Bounds;
if (e.Item.Selected)
{
using (SolidBrush brush = new SolidBrush(SystemColors.Highlight))
e.Graphics.FillRectangle(brush, rect);
subItemTextColor = GetTaskOptMode(task) == WlbPoolPerformanceMode.MaximizePerformance ? COLOR_HIGHLIGHTED_MAX_PERFORMANCE_SUBITEM_TEXT : COLOR_HIGHLIGHTED_MAX_DENSITY_SUBITEM_TEXT;
}
else
{
Rectangle topRect = new Rectangle(rect.X, rect.Y, rect.Width, rect.Height / 2);
Rectangle botRect = new Rectangle(rect.X, rect.Y + topRect.Height, rect.Width, rect.Height / 2);
if (e.ItemIndex ==0 || (e.ItemIndex> 0 && lvTaskList.Items[e.ItemIndex - 1].SubItems[2].Text != e.Item.SubItems[2].Text))
{
using (LinearGradientBrush brush = new LinearGradientBrush(topRect, COLOR_NEW_DAY, ControlPaint.LightLight(color), 90f)) // SystemBrushes.Highlight;
{
e.Graphics.FillRectangle(brush, topRect);
}
}
else
{
using (LinearGradientBrush brush = new LinearGradientBrush(topRect, color, ControlPaint.LightLight(color), 90f)) // SystemBrushes.Highlight;
{
e.Graphics.FillRectangle(brush, topRect);
}
}
using (LinearGradientBrush brush = new LinearGradientBrush(botRect, ControlPaint.LightLight(color), color, 90f)) // SystemBrushes.Highlight;
{
e.Graphics.FillRectangle(brush, botRect);
}
}
// Draw subitem text
Font font = new Font(this.Font, FontStyle.Regular); // FontStyle.Bold);
TextRenderer.DrawText(e.Graphics, e.Item.SubItems[e.ColumnIndex].Text, font, e.Bounds, subItemTextColor, TextFormatFlags.EndEllipsis);
}
#endregion
#region Control Event Handlers
private void buttonAddNew_Click(object sender, EventArgs e)
{
AddTask();
}
private void buttonEdit_Click(object sender, EventArgs e)
{
WlbScheduledTask task = TaskFromItem(lvTaskList.SelectedItems[0]);
EditTask(task);
}
private void buttonDelete_Click(object sender, EventArgs e)
{
if (lvTaskList.SelectedItems.Count > 0)
{
DialogResult confirmResult;
using (var dlg = new WarningDialog(Messages.DELETE_WLB_OPTIMIZATION_SCHEDULE_WARNING,
ThreeButtonDialog.ButtonYes, ThreeButtonDialog.ButtonNo)
{WindowTitle = Messages.DELETE_WLB_OPTIMIZATION_SCHEDULE_CAPTION})
{
confirmResult = dlg.ShowDialog(this);
}
if (confirmResult == DialogResult.Yes)
{
WlbScheduledTask task = TaskFromItem(lvTaskList.SelectedItems[0]);
DeleteTask(task);
weekView1.Refresh();
}
}
}
private void lvTaskList_SelectedIndexChanged(object sender, EventArgs e)
{
EnableButtons();
HighlightTrigger();
}
private void lvTaskList_MouseDoubleClick(object sender, MouseEventArgs e)
{
//Edit task on double-click
ListViewHitTestInfo htInfo = lvTaskList.HitTest(e.Location);
if (null != htInfo.Item)
{
WlbScheduledTask task = TaskFromItem(htInfo.Item);
EditTask(task);
}
}
private void lvTaskList_ColumnWidthChanged(object sender, ColumnWidthChangedEventArgs e)
{
if (!_initializing)
{
if (e.ColumnIndex < minimumColumnWidths.Length)
{
if (lvTaskList.Columns[e.ColumnIndex].Width < minimumColumnWidths[e.ColumnIndex])
{
lvTaskList.Columns[e.ColumnIndex].Width = minimumColumnWidths[e.ColumnIndex];
}
}
FixColumnWidths();
}
}
private void lvTaskList_Resize(object sender, EventArgs e)
{
if (!_initializing)
{
FixColumnWidths();
}
}
private void lvTaskList_MouseDown(object sender, MouseEventArgs e)
{
//Check to see if this is a right-click event
if (e.Button == MouseButtons.Right)
{
//determine which item was clicked
ListViewHitTestInfo htInfo = lvTaskList.HitTest(e.Location);
if (null != htInfo.Item)
{
//make sure the right-clicked item is selected
// (right-clicking does not always select the item, which makes
// usage a little clunky)
htInfo.Item.Selected = true;
//create the context menu and figure out which item(s) to show
MenuItem enableTask;
WlbScheduledTask task = TaskFromItem(htInfo.Item);
ContextMenu menu = new ContextMenu();
if (task.Enabled)
{
enableTask = new MenuItem(Messages.DISABLE, EnableTask_Click);
}
else
{
enableTask = new MenuItem(Messages.ENABLE, EnableTask_Click);
}
menu.MenuItems.Add(enableTask);
menu.Show(lvTaskList, e.Location);
}
}
}
private void lvTaskList_EnabledChanged(object sender, EventArgs e)
{
if (lvTaskList.Enabled)
{
InitializeControls();
}
else
{
lvTaskList.Items.Clear();
}
}
private void weekView1_OnTriggerPointClick(object sender, MouseEventArgs e)
{
if (weekView1.SelectedTriggerPoint != null)
{
SelectTask((int)weekView1.SelectedTriggerPoint.Tag);
}
}
private void weekView1_OnTriggerPointDoubleClick(object sender, MouseEventArgs e)
{
if (weekView1.SelectedTriggerPoint != null)
{
WlbScheduledTask task = _scheduledTasks.TaskList[weekView1.SelectedTriggerPoint.Tag.ToString()];
if (null != task)
{
EditTask(task);
}
}
}
#endregion
#region ListView Sorting
private class ListViewItemComparer : System.Collections.IComparer
{
private int col;
public ListViewItemComparer()
{
col = 0;
}
public ListViewItemComparer(int column)
{
col = column;
}
public int Compare(object x, object y)
{
return CompareDouble(double.Parse(((ListViewItem)x).Text), double.Parse(((ListViewItem)y).Text));
}
private int CompareDouble(double x, double y)
{
if (x < y)
{
return -1;
}
else
{
if (x == y)
{
return 0;
}
else
{
return 1;
}
}
}
private int CompareInt(int x, int y)
{
if (x < y)
{
return -1;
}
else
{
if (x == y)
{
return 0;
}
else
{
return 1;
}
}
}
}
#endregion
}
}