private static void UpdateTreeViewItemText(NTreeViewItem item)
{
NElementInfo elementInfo = item.Tag as NElementInfo;
if (elementInfo == null)
{
return;
}
string text = elementInfo.Name;
if (elementInfo.Attributes.Count > 0)
{
// Iterate through the attributes and append them to the text
StringBuilder sb = new StringBuilder(text);
INIterator <NKeyValuePair <string, string> > iter = elementInfo.Attributes.GetIterator();
while (iter.MoveNext())
{
sb.Append(" ");
sb.Append(iter.Current.Key);
sb.Append("=\"");
sb.Append(iter.Current.Value);
sb.Append("\"");
}
text = sb.ToString();
}
// Update the text of the given tree view item
((NLabel)item.Header.Content).Text = text;
}
private static NXmlNode SerializeTreeViewItem(NTreeViewItem item)
{
NElementInfo elementInfo = (NElementInfo)item.Tag;
if (elementInfo == null)
{
string text = ((NLabel)item.Header.Content).Text;
return(new NXmlTextNode(ENXmlNodeType.Text, text));
}
// Create an XML element for the current tree view item
NXmlElement element = new NXmlElement(elementInfo.Name);
if (elementInfo.Attributes.Count > 0)
{
// Set the element's attributes
INIterator <NKeyValuePair <string, string> > iter = elementInfo.Attributes.GetIterator();
while (iter.MoveNext())
{
element.SetAttribute(iter.Current.Key, iter.Current.Value);
}
}
// Loop through the item's children
for (int i = 0, childCount = item.Items.Count; i < childCount; i++)
{
element.AddChild(SerializeTreeViewItem(item.Items[i]));
}
return(element);
}
private void OnAddAttributeButtonClick(NEventArgs arg)
{
NTopLevelWindow dialog = NApplication.CreateTopLevelWindow();
dialog.SetupDialogWindow("Enter attribute's name and value", false);
NTableFlowPanel table = new NTableFlowPanel();
table.Direction = ENHVDirection.LeftToRight;
table.ColFillMode = ENStackFillMode.Last;
table.ColFitMode = ENStackFitMode.Last;
table.MaxOrdinal = 2;
NLabel nameLabel = new NLabel("Name:");
table.Add(nameLabel);
NTextBox nameTextBox = new NTextBox();
table.Add(nameTextBox);
NLabel valueLabel = new NLabel("Value:");
table.Add(valueLabel);
NTextBox valueTextBox = new NTextBox();
table.Add(valueTextBox);
table.Add(new NWidget());
NButtonStrip buttonStrip = new NButtonStrip();
buttonStrip.InitOKCancelButtonStrip();
table.Add(buttonStrip);
dialog.Content = table;
dialog.Opened += delegate(NEventArgs args) {
nameTextBox.Focus();
};
dialog.Closed += delegate(NEventArgs args) {
if (dialog.Result == ENWindowResult.OK)
{
NElementInfo elementInfo = (NElementInfo)m_TreeView.SelectedItem.Tag;
elementInfo.Attributes.Set(nameTextBox.Text, valueTextBox.Text);
UpdateTreeViewItemText(m_TreeView.SelectedItem);
if (m_RemoveAttributeButton.Enabled == false)
{
m_RemoveAttributeButton.Enabled = true;
}
}
};
dialog.Open();
}
private void OnRemoveAttributeButtonClick(NEventArgs arg)
{
NTopLevelWindow dialog = NApplication.CreateTopLevelWindow();
dialog.SetupDialogWindow("Select an Attribute to Remove", false);
NListBox listBox = new NListBox();
NElementInfo elementInfo = (NElementInfo)m_TreeView.SelectedItem.Tag;
INIterator <NKeyValuePair <string, string> > iter = elementInfo.Attributes.GetIterator();
while (iter.MoveNext())
{
listBox.Items.Add(new NListBoxItem(iter.Current.Key));
}
NButtonStrip buttonStrip = new NButtonStrip();
buttonStrip.InitOKCancelButtonStrip();
NPairBox pairBox = new NPairBox(listBox, buttonStrip, ENPairBoxRelation.Box1AboveBox2);
pairBox.Spacing = NDesign.VerticalSpacing;
dialog.Content = pairBox;
dialog.Opened += delegate(NEventArgs args) {
listBox.Focus();
};
dialog.Closed += delegate(NEventArgs args) {
if (dialog.Result == ENWindowResult.OK)
{
// Remove the selected attribute
NListBoxItem selectedItem = listBox.Selection.FirstSelected;
if (selectedItem != null)
{
string name = ((NLabel)selectedItem.Content).Text;
elementInfo.Attributes.Remove(name);
UpdateTreeViewItemText(m_TreeView.SelectedItem);
if (elementInfo.Attributes.Count == 0)
{
m_RemoveAttributeButton.Enabled = false;
}
}
}
};
dialog.Open();
}
private void OnTreeViewSelectedPathChanged(NValueChangeEventArgs arg)
{
NTreeViewItem selectItem = m_TreeView.SelectedItem;
if (selectItem == null)
{
m_AddChildItemButton.Enabled = false;
m_RemoveSelectedItemButton.Enabled = false;
m_AddAttributeButton.Enabled = false;
m_RemoveAttributeButton.Enabled = false;
return;
}
m_AddChildItemButton.Enabled = true;
m_RemoveSelectedItemButton.Enabled = selectItem != DocumentItem;
NElementInfo elementInfo = selectItem.Tag as NElementInfo;
m_AddAttributeButton.Enabled = elementInfo != null;
m_RemoveAttributeButton.Enabled = elementInfo != null && elementInfo.Attributes.Count > 0;
}