/// <summary>
/// Get a selected checkbox items
/// </summary>
private static Node GetNodeByName(ErdDiagramModel erd, string name)
{
try
{
for (int i = 0; i < erd.Nodes.Count; i++)
{
// Get a all list items from listbox
Node currentNode = erd.Nodes[i] as Node;
// find a ContentPresenter of that list item.. [Call FindVisualChild Method]
ContentPresenter ContentPresenterObj = WpfUIUtilities.FindVisualChild <ContentPresenter>(currentNode);
// call FindName on the DataTemplate of that ContentPresenter
DataTemplate DataTemplateObj = ContentPresenterObj.ContentTemplate;
Label Chk = (Label)DataTemplateObj.FindName("lbl", ContentPresenterObj);
string content = Chk.Content as string;
if (content == name)
{
return(currentNode);
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
return(null);
}
public void SynchronizeConnectors()
{
string node_source = NodeSource;
string connector_source = ConnectorSource;
var k = ModelSource;
var type = k.GetType();
var connectorsproperty = type.GetProperty(connector_source);
var connectors = connectorsproperty.GetValue(k) as IList;
if (connectors.Count == Connections.Count)
{
for (int i = 0; i < this.Connections.Count; i++)
{
ErdLineConnector lc = this.Connections[i] as ErdLineConnector;
lc.DataContext = connectors[i];
lc.Style = ConnectorStyle as Style;
lc.ApplyTemplate();
}
foreach (Node n in this.Nodes)
{
// find a ContentPresenter of that list item.. [Call FindVisualChild Method]
ContentPresenter ContentPresenterObj = WpfUIUtilities.FindVisualChild <ContentPresenter>(n);
// call FindName on the DataTemplate of that ContentPresenter
DataTemplate DataTemplateObj = ContentPresenterObj.ContentTemplate;
// Label Chk = (Label)DataTemplateObj.FindName("lbl", ContentPresenterObj);
Header header = (Header)WpfUIUtilities.FindVisualChild <Header>(ContentPresenterObj);
if (header == null)
{
continue;
}
string content = header.ItemName;
foreach (var ee in this.Connections)
{
if (!(ee is ErdLineConnector))
{
continue;
}
ErdLineConnector er = ee as ErdLineConnector;
if (er.HeadNodeName == content)
{
er.HeadNode = n;
}
if (er.TailNodeName == content)
{
er.TailNode = n;
}
er.ApplyTemplate();
}
}
}
}
public Header FindHeader(Node n)
{
ContentPresenter ContentPresenterObj = WpfUIUtilities.FindVisualChild <ContentPresenter>(n);
// call FindName on the DataTemplate of that ContentPresenter
DataTemplate DataTemplateObj = ContentPresenterObj.ContentTemplate;
// Label Chk = (Label)DataTemplateObj.FindName("lbl", ContentPresenterObj);
Header header = (Header)WpfUIUtilities.FindVisualChild <Header>(ContentPresenterObj);
return(header);
}
public void Reload()
{
foreach (var Item in this.icFileUploadElements.Items)
{
FileUploadElement fileUploadElement = WpfUIUtilities.FindVisualChild <FileUploadElement>(Item as DependencyObject);
if (fileUploadElement == null)
{
fileUploadElement = WpfUIUtilities.FindLogicalChild <FileUploadElement>(Item as DependencyObject);
}
fileUploadElement.Reload();
}
}
public string GetNodeName(Node node)
{
ContentPresenter ContentPresenterObj = WpfUIUtilities.FindVisualChild <ContentPresenter>(node);
// call FindName on the DataTemplate of that ContentPresenter
DataTemplate DataTemplateObj = ContentPresenterObj.ContentTemplate;
// Label Chk = (Label)DataTemplateObj.FindName("lbl", ContentPresenterObj);
Header header = (Header)WpfUIUtilities.FindVisualChild <Header>(ContentPresenterObj);
string content = header.ItemName;
return(content);
}
//This method is called when format was changed
//and sets the format on each of the file upload elements
private void LstFormats_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
foreach (var Item in this.icFileUploadElements.Items)
{
FileUploadElement fileUploadElement = WpfUIUtilities.FindVisualChild <FileUploadElement>(Item as DependencyObject);
if (fileUploadElement == null)
{
fileUploadElement = WpfUIUtilities.FindLogicalChild <FileUploadElement>(Item as DependencyObject);
}
string filter = lstFormats.SelectedValue as string;
fileUploadElement.Filter = filter;
}
}
private void SetControlsToFormat()
{
foreach (var Item in this.icFileUploadElements.Items)
{
FileUploadElement fileUploadElement = WpfUIUtilities.FindVisualChild <FileUploadElement>(Item as DependencyObject);
if (fileUploadElement == null)
{
fileUploadElement = WpfUIUtilities.FindLogicalChild <FileUploadElement>(Item as DependencyObject);
}
string filter = Format;
fileUploadElement.Filter = filter;
}
}
public List <string> GetItems()
{
List <string> lstItems = new List <string>();
foreach (var Item in this.icFileUploadElements.Items)
{
FileUploadElement fueUploader = WpfUIUtilities.FindVisualChild <FileUploadElement>(Item as DependencyObject);
if (fueUploader != null && !string.IsNullOrEmpty(fueUploader.txbFileName.Text))
{
lstItems.Add(fueUploader.txbFileName.Text);
}
}
return(lstItems);
}
/// <summary>
/// This method used to show errors that occur
/// during validation of formats and contents of uploaded files
/// </summary>
/// <param name="errors">Represents dictionary of errors: the key is the type if its error/warning/etc and the value is the message to display</param>
public void ShowErrors(SortedList <string, string> errors)
{
List <string> lstItems = new List <string>();
foreach (var error in errors)
{
foreach (var Item in this.icFileUploadElements.Items)
{
FileUploadElement fueUploader = WpfUIUtilities.FindVisualChild <FileUploadElement>(Item as DependencyObject);
if (fueUploader != null && fueUploader.txbFileName.Text == error.Key)
{
fueUploader.ShowError(error.Value);
}
}
}
}
private void ErdDiagramControl_Loaded(object sender, System.Windows.RoutedEventArgs e)
{
ErdDiagramModel model = this.Model as ErdDiagramModel;
foreach (Node n in model.Nodes)
{
ContentPresenter ContentPresenterObj = WpfUIUtilities.FindVisualChild <ContentPresenter>(n);
// call FindName on the DataTemplate of that ContentPresenter
DataTemplate DataTemplateObj = ContentPresenterObj.ContentTemplate;
// Label Chk = (Label)DataTemplateObj.FindName("lbl", ContentPresenterObj);
Header header = (Header)WpfUIUtilities.FindVisualChild <Header>(ContentPresenterObj);
/* Panel pnl = n.ContentTemplate.LoadContent() as Panel;
* if (pnl == null) throw new Exception("The first element of template must be panel");
* Header header = pnl.Children[0] as Header;*/
if (header == null)
{
throw new Exception("The first element of template must be header");
}
string content = header.ItemName;
foreach (var ee in model.Connections)
{
if (!(ee is ErdLineConnector))
{
continue;
}
ErdLineConnector er = ee as ErdLineConnector;
if (er.HeadNodeName == content)
{
er.HeadNode = n;
}
if (er.TailNodeName == content)
{
er.TailNode = n;
}
er.ApplyTemplate();
}
}
}