/// <summary>
/// Creates a new event arguments instance.
/// </summary>
/// <param name="item">The progress item.</param>
/// <param name="progress">The progress info.</param>
/// <param name="oldLegend">The old legend.</param>
/// <param name="newLegend">The new legend.</param>
public ProgressItemLegendSetEventArgs(ProgressItem item, ProgressInfo progress, ProgressLegend oldLegend, ProgressLegend newLegend)
: base(item)
{
this.Progress = progress;
this.OldLegend = oldLegend;
this.NewLegend = newLegend;
}
// Public declarations
/// <summary>
/// Creates a new control instance.
/// </summary>
public ControlSpiderStandardFeeds()
{
// Initialize component.
InitializeComponent();
// Set the default control properties.
this.Visible = false;
this.Dock = DockStyle.Fill;
// Initialize the progress list box.
for (int index = 0; index < YouTubeUri.StandardFeedNames.Length; index++)
{
// Initialize the progress item.
progressItems[index] = new ProgressItem(YouTubeUri.StandardFeedNames[index], this.progressLegend);
// Set the default progress.
progressItems[index].Progress.Default = this.progressLegend.Items.Count - 1;
}
this.progressListBox.Items.AddRange(this.progressItems);
}
/// <summary>
/// An event handler called to update the maximum text width for the specified item.
/// </summary>
/// <param name="item">The progress item</param>
private void OnUpdateItemText(ProgressItem item)
{
// If the object has been disposed, do nothing.
if (this.IsDisposed) return;
// Recompute the text maximum width.
int width = TextRenderer.MeasureText(item.Text, this.fontText).Width;
// If the text width is greater than the previous maximum.
if (width > this.itemMaximumTextWidth)
{
// Set the maximum text width.
this.itemMaximumTextWidth = width;
}
else if (width < this.itemMaximumTextWidth)
{
// Else, update the text width for all items.
this.OnUpdateItemsText();
}
}
/// <summary>
/// An event handler called to update the maximum progress count for the specified item.
/// </summary>
/// <param name="item">The item.</param>
private void OnUpdateItemProgress(ProgressItem item)
{
// If the object has been disposed, do nothing.
if (this.IsDisposed) return;
// Compute the count digits for this item.
int digits = item.Progress != null ? (int)Math.Ceiling(Math.Log10(item.Progress.Count)) : 0;
// If the number of digits is greater than the current maximum.
if (digits > this.itemProgressMaximumCountDigits)
{
// Set the maximum number of digits.
this.itemProgressMaximumCountDigits = digits;
}
else if (digits < this.itemProgressMaximumCountDigits)
{
// Else, update the count digits for all items.
this.OnUpdateItemsProgress();
}
}
/// <summary>
/// Updates the legend geometrics characteristics for the specified progress item.
/// </summary>
/// <param name="item">The progress item.</param>
private void OnUpdateItemLegendGeometrics(ProgressItem item)
{
// If the object has been disposed, do nothing.
if (this.IsDisposed) return;
// Compute whether th item displays the legend.
item.geometrics.showLegend = this.itemMaximumFixedWidth < item.geometrics.itemBounds.Width;
// Compute the text width scale.
double widthScale = item.geometrics.showLegend ?
(this.itemMaximumWidth > item.geometrics.itemBounds.Width) ? (item.geometrics.itemBounds.Width - this.itemMaximumFixedWidth) / ((double)this.itemMaximumVariableWidth) : 1.0 :
(this.itemMaximumTextWidth > item.geometrics.itemBounds.Width) ? widthScale = item.geometrics.itemBounds.Width / ((double)this.itemMaximumTextWidth) : 1.0;
// The legend bounds.
item.geometrics.legendBounds = new Rectangle(
item.geometrics.textBounds.Right,
item.geometrics.contentBounds.Y,
item.geometrics.contentBounds.Width - item.geometrics.textBounds.Width,
item.geometrics.contentBounds.Height);
// The legend text bounds.
item.geometrics.legendTextBounds = new Rectangle(
0,
item.geometrics.legendBounds.Y,
(int)((this.itemProgressLegendMaximumTextWidth + this.itemProgressMaximumCountWidth) * widthScale),
item.geometrics.legendBounds.Height);
// The legend icon bounds.
item.geometrics.legendIconBounds = new Rectangle(new Point(0, item.geometrics.legendBounds.Y), this.legendSize);
// The legend item width.
item.geometrics.legendItemWidth = item.geometrics.legendIconBounds.Width + this.spacing + item.geometrics.legendTextBounds.Width + this.spacing;
// Set the legend as valid.
item.geometrics.validLegend = true;
}
/// <summary>
/// An event handler called to update the maximum legend entries for the specified item.
/// </summary>
/// <param name="item">The item.</param>
private void OnUpdateItemLegend(ProgressItem item)
{
// If the object has been disposed, do nothing.
if (this.IsDisposed) return;
// Set the item legend as invalid.
item.geometrics.validLegend = false;
// Set the maximum number of legend items to zero.
int count = 0;
// Set the maximum text width to zero.
int width = 0;
// If the item has a progress info.
if (null != item.Progress)
{
// If the item has a legend.
if (null != item.Progress.Legend)
{
// Get the legend.
ProgressLegend legend = item.Progress.Legend;
// Set the legent items count.
count = legend.Items.Count;
// Update the legend maximum items width.
foreach (ProgressLegendItem legendItem in legend.Items)
{
// Compute the legend item width.
int itemWidth = TextRenderer.MeasureText(legendItem.Text, this.Font).Width;
// Get the maximum width.
if (width < itemWidth)
{
width = itemWidth;
}
}
}
}
// If the legend item count is greater, update the legend item count.
if (count > this.itemProgressLegendMaximumCount)
{
this.itemProgressLegendMaximumCount = count;
}
// If the legend item width is greater, update the legend item width.
if (width > this.itemProgressLegendMaximumTextWidth)
{
this.itemProgressLegendMaximumTextWidth = width;
}
// If either the legend item count or the legend item width is smaller, update all the legend for all items.
if ((count < this.itemProgressLegendMaximumCount) || (width < this.itemProgressLegendMaximumTextWidth))
{
this.OnUpdateItemsLegend();
}
}
/// <summary>
/// Updates the geometrics characteristics of the specified progress item.
/// </summary>
/// <param name="item">The progress item.</param>
/// <param name="bounds">The item bounds.</param>
private void OnUpdateItemGeometrics(ProgressItem item, Rectangle bounds)
{
// If the object has been disposed, do nothing.
if (this.IsDisposed) return;
// Only updated the geometrics if the bounds are different.
if (bounds != item.geometrics.bounds)
{
// Save the bounds.
item.geometrics.bounds = bounds;
// Compute the item bounds.
item.geometrics.itemBounds = new Rectangle(
item.geometrics.bounds.X + this.itemPadding.Left,
item.geometrics.bounds.Y + this.itemPadding.Top,
item.geometrics.bounds.Width - this.itemPadding.Left - this.itemPadding.Right - 1,
item.geometrics.bounds.Height - this.itemPadding.Top - this.itemPadding.Bottom - 1);
// Compute the progress border.
item.geometrics.progressBorder = new Rectangle(
item.geometrics.itemBounds.X,
item.geometrics.itemBounds.Bottom - this.progressHeight,
item.geometrics.itemBounds.Width,
this.progressHeight);
// Compute the progress bounds.
item.geometrics.progressBounds = new Rectangle(
item.geometrics.progressBorder.X + 1,
item.geometrics.progressBorder.Y + 1,
item.geometrics.progressBorder.Width - 1,
item.geometrics.progressBorder.Height - 1);
// Compute the content bounds.
item.geometrics.contentBounds = new Rectangle(
item.geometrics.itemBounds.X,
item.geometrics.itemBounds.Y,
item.geometrics.itemBounds.Width,
item.geometrics.progressBorder.Top - item.geometrics.itemBounds.Y);
}
// Compute the text bounds.
item.geometrics.textBounds = new Rectangle(
item.geometrics.contentBounds.X,
item.geometrics.contentBounds.Y,
this.itemMaximumTextWidth,
item.geometrics.contentBounds.Height);
// If the legend is invalid, update the legend geometric characteristics.
//if (!item.geometrics.validLegend)
this.OnUpdateItemLegendGeometrics(item);
}
/// <summary>
/// An event handler called when an item has been removed from the progress list box.
/// </summary>
/// <param name="item">The item.</param>
private void OnItemRemoved(ProgressItem item)
{
// If the item is null, do nothing.
if (null == item) return;
// Remove the item event handlers.
item.TextChanged -= this.OnItemTextChanged;
item.SubtextChanged -= this.OnItemSubtextChanged;
item.EnabledChanged -= this.OnItemEnabledChanged;
item.ProgressSet -= this.OnItemProgressSet;
item.ProgressLevelChanged -= this.OnItemProgressLevelChanged;
item.ProgressDefaultChanged -= this.OnItemProgressDefaultChanged;
item.ProgressCountChanged -= this.OnItemProgressCountChanged;
item.ProgressLegendSet -= this.OnItemProgressLegendSet;
item.ProgressLegendChanged -= this.OnItemProgressLegendChanged;
// Update the items text.
this.OnUpdateItemsText();
// Update the items progress.
this.OnUpdateItemsProgress();
// Update the items legend.
this.OnUpdateItemsLegend();
// Update the item measurements.
this.OnUpdateGeometrics();
// Refresh the list box.
this.Refresh();
}
/// <summary>
/// Creates a new event arguments instance.
/// </summary>
/// <param name="item">The progress item.</param>
public ProgressItemEventArgs(ProgressItem item)
{
this.Item = item;
}
/// <summary>
/// An event handler called when starting the PlanetLab commands.
/// </summary>
/// <param name="sender">The sender object.</param>
/// <param name="e">The event arguments.</param>
private void OnStart(object sender, EventArgs e)
{
// Get the session information.
if (this.formRunInformation.ShowDialog(this) != DialogResult.OK)
{
// Return;
return;
}
// Save the session information.
this.sessionId = this.formRunInformation.Id;
this.sessionAuthor = this.formRunInformation.Author;
this.sessionDescription = this.formRunInformation.Description;
this.sessionTimestamp = DateTime.Now;
lock (this.managerSync)
{
// If the manager state is not null.
if (null == this.managerState)
{
// Create a list of nodes.
List<PlNode> nodes = new List<PlNode>();
// Clear the progress list.
this.listProgress.Items.Clear();
// Clear the list of progress items.
this.managerProgressItems.Clear();
// Clear the combo-box items.
this.comboBoxNodes.Items.Clear();
// Clear the results.
this.listViewResults.Items.Clear();
this.controlResult.Clear();
// For all the selected nodes.
foreach (ListViewItem item in this.listViewNodes.CheckedItems)
{
// Get the node information.
NodeInfo info = item.Tag as NodeInfo;
// If the node information does not have the PlanetLab node.
if (null == info.Node)
{
// Show an error message.
MessageBox.Show(this, "Cannot start the PlanetLab commands because the information on PlanetLab node {0} is missing. Refresh the slice information and try again.", "Cannot Execute PlanetLab Commands".FormatWith(info.NodeId), MessageBoxButtons.OK, MessageBoxIcon.Error);
// Log an event.
this.controlLog.Add(this.config.Log.Add(
LogEventLevel.Important,
LogEventType.Error,
ControlSliceRun.logSource.FormatWith(this.slice.Id),
"Cannot start the PlanetLab commands because the information on PlanetLab node {0} is missing. Refresh the slice information and try again.",
new object[] { info.NodeId }));
// Return.
return;
}
// Else, add the node to the list.
nodes.Add(info.Node);
}
// For all the selected nodes.
foreach (PlNode node in nodes)
{
// Create a progress list item.
ProgressItem item = new ProgressItem(node.Hostname, this.progressLegend);
// Set the item tag.
item.Tag = node;
// Set the item default progress.
item.Progress.Default = this.progressLegend.Items.Count - 1;
// Add the item to the list.
this.managerProgressItems.Add(item);
// Create a combo box item.
this.comboBoxNodes.Items.Add(node.Hostname);
}
// Add the items to the progress list.
this.listProgress.Items.AddRange(this.managerProgressItems.ToArray());
try
{
// Request a status lock.
this.status.Lock();
// Start the manager.
this.managerState = this.manager.Start(this.config, nodes);
}
catch (Exception exception)
{
// Release the status lock.
this.status.Unlock();
// Log an event.
this.controlLog.Add(this.config.Log.Add(
LogEventLevel.Important,
LogEventType.Error,
ControlSliceRun.logSource.FormatWith(this.slice.Id),
"An error occurred while starting the PlanetLab commands. {0}",
new object[] { exception.Message },
exception));
}
}
else
{
try
{
// Else, call the manager.
this.manager.Resume(this.managerState);
}
catch (Exception exception)
{
// Log an event.
this.controlLog.Add(this.config.Log.Add(
LogEventLevel.Important,
LogEventType.Error,
ControlSliceRun.logSource.FormatWith(this.slice.Id),
"An error occurred while resuming the PlanetLab commands. {0}",
new object[] { exception.Message },
exception));
}
}
}
}
/// <summary>
/// Creates a new event arguments instance.
/// </summary>
/// <param name="item">The progress item.</param>
/// <param name="progress">The progress info.</param>
/// <param name="legend">The legend.</param>
public ProgressItemLegendChangedEventArgs(ProgressItem item, ProgressInfo progress, ProgressLegend legend)
: base(item)
{
this.Progress = progress;
this.Legend = legend;
}
