/// <summary>
/// Help method to add a demo module to the tree
/// </summary>
private TreeNode MakeNode(DemoModule module, int icon)
{
TreeNode node = new TreeNode(module.getName(), icon, icon);
node.Tag = module; // The demo module is attached to the node as the Tag property.
return(node);
}
/// <summary>
/// Handler for the TreeView AfterSelect event
/// </summary>
private void treeView_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)
{
// Check if a demo module node is selected. Demo module is attached to the node
// as the Tag property
DemoModule demo = (DemoModule)e.Node.Tag;
if (demo != null)
{
// Display the title
title.Text = demo.getName();
// Clear all ChartViewers
for (int i = 0; i < chartViewers.Length; ++i)
{
chartViewers[i].Visible = false;
}
// Each demo module can display a number of charts
int noOfCharts = demo.getNoOfCharts();
for (int i = 0; i < noOfCharts; ++i)
{
demo.createChart(chartViewers[i], i);
chartViewers[i].Visible = true;
}
// Now perform flow layout of the charts (viewers)
layoutCharts();
// Add current node to the history array to support Back/Forward browsing
addHistory(e.Node);
}
// Update the state of the buttons, status bar, etc.
updateControls();
}
/// <summary>
/// Help method to add a demo module to the tree
/// </summary>
private void MakeDemoNode(DemoModule module)
{
var icon_text = new StackPanel()
{
Orientation = Orientation.Horizontal
};
if (null != currentIcon)
{
icon_text.Children.Add(new Image()
{
Source = currentIcon, Width = currentIcon.PixelWidth, Height = currentIcon.PixelHeight,
Margin = new Thickness(0, 1, 4, 1), VerticalAlignment = VerticalAlignment.Center
});
}
icon_text.Children.Add(new TextBlock()
{
Text = module.getName(), VerticalAlignment = VerticalAlignment.Center
});
var node = new TreeViewItem()
{
Header = icon_text, Tag = module
};
allNodes.Add(node);
currentFolder.Items.Add(node);
}
// **********************************************************************
/// <summary>
/// Helper method to update the various controls
/// </summary>
private void updateControls()
{
//
// Enable the various buttons there is really something they can do.
//
// The status bar always reflects the selected demo module
if ((null != treeView.SelectedNode) && (null != treeView.SelectedNode.Tag))
{
DemoModule m = (DemoModule)treeView.SelectedNode.Tag;
statusLabel1.Text = " Module " + m.GetType().Name + ": " + m.getName();
}
else
{
statusLabel1.Text = "";
}
}
/// <summary>
/// Handler for the TreeView AfterSelect event
/// </summary>
private void treeView_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)
{
if (e.Action == TreeViewAction.ByMouse || e.Action == TreeViewAction.ByKeyboard)
{
DateTime fromDate = dtpFromDate.Value;
DateTime toDate = dtpToDate.Value;
// Check if a demo module node is selected. Demo module is attached to the node
// as the Tag property
DemoModule demo = (DemoModule)e.Node.Tag;
if (demo != null)
{
// Display the title
title.Text = demo.getName();
// Clear all ChartViewers
for (int i = 0; i < chartViewers.Length; ++i)
{
chartViewers[i].Visible = false;
}
// Each demo module can display a number of charts
int noOfCharts = demo.getNoOfCharts();
for (int i = 0; i < noOfCharts; ++i)
{
int chartWidth = rightPanel.Width - 50;
int chartHeighth = rightPanel.Height - 110;
demo.createChart(chartViewers[i], "" + i, Int32.Parse(tickerSymbol.SelectedValue.ToString()), Int32.Parse(timeFramePeriod.SelectedValue.ToString()), fromDate, toDate, (int)trbSize.Value, chartWidth, chartHeighth, priceTypeCombo.SelectedIndex);
chartViewers[i].Visible = true;
}
// Now perform flow layout of the charts (viewers)
layoutCharts();
// Add current node to the history array to support Back/Forward browsing
addHistory(e.Node);
}
// Update the state of the buttons, status bar, etc.
updateControls();
}
}
/// <summary>
/// Helper method to update the various controls
/// </summary>
private void updateControls()
{
//
// Enable the various buttons there is really something they can do.
//
BackPB.Enabled = (currentHistoryIndex > 0);
ForwardPB.Enabled = (lastHistoryIndex > currentHistoryIndex);
NextPB.Enabled = (getNextChartNode(treeView.SelectedNode) != null);
PreviousPB.Enabled = (getPrevChartNode(treeView.SelectedNode) != null);
// The status bar always reflects the selected demo module
if ((null != treeView.SelectedNode) && (null != treeView.SelectedNode.Tag))
{
DemoModule m = (DemoModule)treeView.SelectedNode.Tag;
statusBarPanel.Text = " Module " + m.GetType().Name + ": " + m.getName();
}
else
{
statusBarPanel.Text = "";
}
}
private void treeView_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
var selectedItem = e.NewValue as TreeViewItem;
if (null != selectedItem)
{
DemoModule demo = selectedItem.Tag as DemoModule;
if (demo != null)
{
// Display the title
title.Text = demo.getName();
// Clear all ChartViewers
for (int i = 0; i < chartViewers.Length; ++i)
{
chartViewers[i].Visibility = Visibility.Collapsed;
}
// Each demo module can display a number of charts
int noOfCharts = demo.getNoOfCharts();
for (int i = 0; i < noOfCharts; ++i)
{
demo.createChart(chartViewers[i], i);
chartViewers[i].Visibility = Visibility.Visible;
}
// Add current node to the history array to support Back/Forward browsing
addHistory(selectedItem);
// Make sure the selected item is visible
selectedItem.BringIntoView();
}
// Update the state of the navigation buttons
BackPB.IsEnabled = (currentHistoryIndex > 0);
ForwardPB.IsEnabled = (lastHistoryIndex > currentHistoryIndex);
NextPB.IsEnabled = (getNextNode() != null);
PreviousPB.IsEnabled = (getPrevNode() != null);
}
}
// **********************************************************************
private void btnUpdateChart_Click(object sender, EventArgs e)
{
if (treeView.SelectedNode == null)
{
return;
}
//+
Int64 tickerID = (Int64)tickerSymbol.SelectedValue;
int timeFrameID = Int32.Parse(timeFramePeriod.SelectedValue.ToString());
this.timeFramesTableAdapter.FillByActive(this.cONSOLEDB2DataSet.timeframes);
this.stocksTableAdapter.FillByActive(this.cONSOLEDB2DataSet.stocks);
if (tickerID >= 0)
{
tickerSymbol.SelectedValue = tickerID;
}
if (timeFrameID >= 0)
{
timeFramePeriod.SelectedValue = timeFrameID;
}
//-
DateTime fromDate = dtpFromDate.Value;
DateTime toDate = dtpToDate.Value;
// Check if a demo module node is selected. Demo module is attached to the node
// as the Tag property
DemoModule demo = (DemoModule)treeView.SelectedNode.Tag;
if (demo != null)
{
// Display the title
title.Text = demo.getName();
// Clear all ChartViewers
for (int i = 0; i < chartViewers.Length; ++i)
{
chartViewers[i].Visible = false;
}
// Each demo module can display a number of charts
int noOfCharts = demo.getNoOfCharts();
for (int i = 0; i < noOfCharts; ++i)
{
int chartWidth = rightPanel.Width - 50;
int chartHeighth = rightPanel.Height - 110;
demo.createChart(chartViewers[i], "" + i, Int32.Parse(tickerSymbol.SelectedValue.ToString()), Int32.Parse(timeFramePeriod.SelectedValue.ToString()), fromDate, toDate, (int)trbSize.Value, chartWidth, chartHeighth, priceTypeCombo.SelectedIndex);
chartViewers[i].Visible = true;
}
// Now perform flow layout of the charts (viewers)
layoutCharts();
// Add current node to the history array to support Back/Forward browsing
addHistory(treeView.SelectedNode);
}
// Update the state of the buttons, status bar, etc.
updateControls();
}