public void OnNodeChanged(Object aOldNode, Object aNewNode)
{
// Enumerate each of the properties that affect FE presentation, test
// for difference, and update the FE if necessary.
CommandTarget oldTarget = aOldNode as CommandTarget;
CommandTarget newTarget = aNewNode as CommandTarget;
if (oldTarget == null && newTarget == null)
{
return;
}
// Check for Label/AccessKey change.
if (newTarget.Label != oldTarget.Label || newTarget.AccessKey != oldTarget.AccessKey)
{
int itemKey = newTarget.Data.GetHashCode();
if (mMenus.ContainsKey(itemKey))
{
ManticoreMenuItem item = mMenus[itemKey] as ManticoreMenuItem;
// Re-generate AccessKey and update display Text
item.Text = ManticoreMenuItem.GenerateAccessKeyString(newTarget.Label, newTarget.AccessKey);;
}
}
}
public void OnNodeAdded(Object aChildNode, Object aParentNode, int aIndex)
{
// A new Element has been added somewhere. We must find the
// parent menu and append it. To interoperate with the Content Builder,
// the DataStore must provide |CommandTarget|s to this method.
CommandTarget childTarget = aChildNode as CommandTarget;
CommandTarget parentTarget = aParentNode as CommandTarget;
if (childTarget == null && parentTarget == null)
{
return;
}
int childKey = childTarget.Data.GetHashCode();
if (!mMenus.ContainsKey(childKey))
{
int parentKey = parentTarget.Data.GetHashCode();
ManticoreMenuItem parentMenu;
if (mMenus.ContainsKey(parentKey))
{
parentMenu = mMenus[parentKey] as ManticoreMenuItem;
}
else
{
parentMenu = mParent as ManticoreMenuItem;
}
if (parentMenu != null)
{
String label = childTarget.Label;
if (childTarget.AccessKey != "")
{
label = ManticoreMenuItem.GenerateAccessKeyString(childTarget.Label,
childTarget.AccessKey);
}
ManticoreMenuItem childMenu = new ManticoreMenuItem(label,
new EventHandler(OnCommandInternal),
"bookmarks-item", childTarget.Data);
if (parentMenu != null)
{
int pos = aIndex == -1 ? parentMenu.MenuItems.Count : aIndex;
parentMenu.MenuItems.Add(pos, childMenu);
mMenus.Add(childKey, childMenu);
}
}
}
}
public void OnNodeRemoved(Object aNodeRemoved)
{
CommandTarget childTarget = aNodeRemoved as CommandTarget;
// Remove |MenuItem| representation of |aChildNode|.
int childKey = childTarget.Data.GetHashCode();
if (mMenus.ContainsKey(childKey))
{
ManticoreMenuItem childMenu = mMenus[childKey] as ManticoreMenuItem;
ManticoreMenuItem parentMenu = childMenu.Parent as ManticoreMenuItem;
parentMenu.MenuItems.Remove(childMenu);
mMenus.Remove(childKey);
}
}
public void Recurse(String aRoot, Menu.MenuItemCollection aParentItems)
{
IEnumerator items;
mDataStore.GetElements(aRoot, out items);
items.Reset();
MenuItem item;
while (items.MoveNext())
{
// |id| is the item's unique identifier within the DataStore.
// The handling code can use this to probe for more information
// about the selected item.
CommandTarget current = items.Current as CommandTarget;
if (current != null)
{
String id = current.Data as String;
int idKey = id.GetHashCode();
if (!mMenus.ContainsKey(idKey))
{
item = new ManticoreMenuItem(current.Label,
new EventHandler(OnCommandInternal),
"bookmarks-item", id);
if (aRoot != Root)
{
aParentItems.Add(item);
}
else
{
aParentItems.Add(mInsertionPoint++, item);
}
mMenus.Add(id.GetHashCode(), item);
if (current.IsContainer)
{
Recurse(current.Data as String, item.MenuItems);
}
}
}
}
ResetInsertionPoint();
}
protected void Recurse(XmlTextReader reader, Menu root)
{
String inner = reader.ReadInnerXml();
NameTable nt = new NameTable();
XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt);
XmlParserContext ctxt = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
XmlTextReader reader2 = new XmlTextReader(inner, XmlNodeType.Element, ctxt);
while (reader2.Read())
{
if (reader2.NodeType == XmlNodeType.Element)
{
switch (reader2.LocalName)
{
case "menu":
// Menuitem. Find the name, accesskey, command and id strings
String[] values = new String[3] {
"", "", ""
};
String[] names = new String[3] {
"label", "accesskey", "command"
};
for (int i = 0; i < names.Length; ++i)
{
if (reader2.MoveToAttribute(names[i]) &&
reader2.ReadAttributeValue())
{
values[i] = reader2.Value; // XXX need to handle entities
}
reader2.MoveToElement();
}
// Handle Accesskey
values[0] = ManticoreMenuItem.GenerateAccessKeyString(values[0], values[1]);
// Create menu item and attach an event handler
// BLUESKY - should we support data stored in the XML file as an attribute?
mCurrentMenuItem = new ManticoreMenuItem(values[0],
new EventHandler(OnCommandInternal),
values[2], "");
if (values[2] != "")
{
mItems.Add(values[2], mCurrentMenuItem);
}
root.MenuItems.Add(mCurrentMenuItem);
Recurse(reader2, mCurrentMenuItem);
break;
case "menuseparator":
mCurrentMenuItem = new MenuItem("-");
root.MenuItems.Add(mCurrentMenuItem);
break;
case "menubuilder":
String id = "";
if (reader2.MoveToAttribute("id") &&
reader2.ReadAttributeValue())
{
id = reader2.Value;
}
reader2.MoveToElement();
String datastore = "";
if (reader2.MoveToAttribute("datastore") &&
reader2.ReadAttributeValue())
{
datastore = reader2.Value;
}
BaseMenuBuilder builder = new BaseMenuBuilder(mMainMenu, root as MenuItem, mCurrentMenuItem, null);
builder.Root = id;
builder.DataStore = DataStoreRegistry.GetDataStore(datastore);
builder.DataStore.AddObserver(builder);
builder.OnCommand += new EventHandler(OnCommandInternal);
mBuilders.Add(builder.GetHashCode(), builder);
break;
}
}
}
}
public void Recurse(String aRoot, Menu.MenuItemCollection aParentItems)
{
IEnumerator items;
mDataStore.GetElements(aRoot, out items);
items.Reset();
MenuItem item;
while (items.MoveNext())
{
// |id| is the item's unique identifier within the DataStore.
// The handling code can use this to probe for more information
// about the selected item.
CommandTarget current = items.Current as CommandTarget;
if (current != null)
{
String id = current.Data as String;
int idKey = id.GetHashCode();
if (!mMenus.ContainsKey(idKey))
{
item = new ManticoreMenuItem(current.Label,
new EventHandler(OnCommandInternal),
"bookmarks-item", id);
if (aRoot != Root)
aParentItems.Add(item);
else
aParentItems.Add(mInsertionPoint++, item);
mMenus.Add(id.GetHashCode(), item);
if (current.IsContainer)
Recurse(current.Data as String, item.MenuItems);
}
}
}
ResetInsertionPoint();
}
public void OnNodeAdded(Object aChildNode, Object aParentNode, int aIndex)
{
// A new Element has been added somewhere. We must find the
// parent menu and append it. To interoperate with the Content Builder,
// the DataStore must provide |CommandTarget|s to this method.
CommandTarget childTarget = aChildNode as CommandTarget;
CommandTarget parentTarget = aParentNode as CommandTarget;
if (childTarget == null && parentTarget == null)
return;
int childKey = childTarget.Data.GetHashCode();
if (!mMenus.ContainsKey(childKey))
{
int parentKey = parentTarget.Data.GetHashCode();
ManticoreMenuItem parentMenu;
if (mMenus.ContainsKey(parentKey))
parentMenu = mMenus[parentKey] as ManticoreMenuItem;
else
parentMenu = mParent as ManticoreMenuItem;
if (parentMenu != null)
{
String label = childTarget.Label;
if (childTarget.AccessKey != "")
label = ManticoreMenuItem.GenerateAccessKeyString(childTarget.Label,
childTarget.AccessKey);
ManticoreMenuItem childMenu = new ManticoreMenuItem(label,
new EventHandler(OnCommandInternal),
"bookmarks-item", childTarget.Data);
if (parentMenu != null)
{
int pos = aIndex == -1 ? parentMenu.MenuItems.Count : aIndex;
parentMenu.MenuItems.Add(pos, childMenu);
mMenus.Add(childKey, childMenu);
}
}
}
}
