I was wondering if SO could help simplify some logic. I have a windows form (C# 2.0) which contains a System.Windows.Forms.MenuStrip.
- I want to dynamically add ToolStripMenueItems to the MenuStrip. The added items will be driven off of a database (but for simplicity I have removed that part from the code below).
- I would like to be able to build complex menus (i.e Tools>Math>Calc, Help>Documents, Help>About, Format>Encoding>Western, Format>Encoding>Other>Greek).
The code below seems to work but what would you do to make loadToolbars() more efficient/simpler?
This is the function I need help with:
void loadToolbars()
{
foreach(Toolbar t in getToolStripItems())
{
string[] toolPath = t.toolbar.Split(">".ToCharArray(),StringSplitOptions.RemoveEmptyEntries);
ToolStripMenuItem root = null;
ToolStripItem[] foundItems;
/*
* follow the path of each Toolbar item. If we find a dead-end,
* add the missing part
*/
for(int i=0; i<toolPath.Length; i++)
{
if(root == null)
{
//Search the main menu strip (System.Windows.Forms.MenuStrip)
foundItems = DA_Menu.Items.Find(toolPath[i],false);
}else
{
//Continue searching were we left off
foundItems = root.DropDownItems.Find(toolPath[i],false);
}
if(foundItems.Length>0)
{
foreach(ToolStripItem item in foundItems)
{
//Is this the Toolbar item I am looking for?
if(item.Text == toolPath[i])
{
if(item.OwnerItem != null && i>0)
{
if((item.OwnerItem.Text == toolPath[i-1])
&& (item.Text == toolPath[i]))
root = (ToolStripMenuItem)item;
}else
{
root = (ToolStripMenuItem)item;
}
}
}
}else
{
//We hit a dead-end. Add the missing path
if(root == null)
{
root = new ToolStripMenuItem(toolPath[i]);
root.Name = toolPath[i];
DA_Menu.Items.Add(root);
}else
{
ToolStripMenuItem tsmi = new ToolStripMenuItem(toolPath[i]);
tsmi.Name = toolPath[i];
root.DropDownItems.Add(tsmi);
root = tsmi;
}
}
}
//Add the Toobar item to the path that was built above
t.Click +=new EventHandler(Toolbar_Click);
((ToolStripMenuItem)root).DropDownItems.Add(t);
}
}
Everthing below, I am happy with but I am providing it to help others follow what I am doing.
This function is data driven but hard coded for the benefit of SO
private List<Toolbar> getToolStripItems()
{
List<Toolbar>toolbars = new List<Toolbar>();
Toolbar t = new Toolbar();
t.Text = "Calc";
t.path = "c:\windows\system32\calc.exe";
t.toolbar = "Tools>Microsoft>Math";
toolbars.Add(t);
t = new Toolbar()
t.Text = "Calc2";
t.path = "c:\windows\system32\calc.exe";
t.toolbar = "Tools>Math>Microsoft";
toolbars.Add(t);
return toolbars;
}
Custom class to help keep my click events simple
class Toolbar:ToolStripMenuItem
{
public string path;
public string toolbar;
public Toolbar()
{
/*
* Set the name to the Text value
* so that it can be found in collection
* by key
*/
base.Name = Text;
}
}
All Toolbar item Click events will be handled in this function
void Toolbar_Click(object sender, EventArgs e)
{
//Get the Toolbar item that was clicked
Toolbar t = (Toolbar)sender;
//Start new process
System.Diagnostics.Process p = new System.Diagnostics.Process();
p.StartInfo.FileName = t.path;
p.Start();
}