public static void Remove(int index)
{
// return if index is invalid
if (index < 0)
{
return;
}
// remove the item at the index
string key = (string)MainWindow.ListBox.Items[index];
ClipboardItem clipboardItem = LocalClipboard.Dict[key];
LocalClipboard.Remove(clipboardItem.KeyText, clipboardItem);
// if there was an item located after the removed item, select that item
if (LocalClipboard.MainWindow.ListBox.Items.Count > index)
{
LocalClipboard.MainWindow.ListBox.SelectedIndex = index;
}
// else select the item located before the removed item
else
{
LocalClipboard.MainWindow.ListBox.SelectedIndex = index - 1;
}
// notify the user of the successful operation for 3 seconds
MsgLabel.Normal("Item removed!");
}
public static void Add(string key, ClipboardItem value)
{
try
{
// add to the back-end dictionary
LocalClipboard.Dict.Add(key, value);
}
// exception thrown on attempt to add a duplicate key to the dict
catch (ArgumentException)
{
// store item with the same key
ClipboardItem duplicateKeyItem = LocalClipboard.Dict[key];
// remove old item and prepare to replace with new item
LocalClipboard.Remove(duplicateKeyItem.KeyText, duplicateKeyItem);
// add new item
LocalClipboard.Dict.Add(key, value);
}
// add to back-end string collection of keys
LocalClipboard.Keys.Insert(0, key);
// add to visual clipboard last
LocalClipboard.MainWindow.ListBox.Items.Insert(0, key);
}
protected bool SetKeyDiff()
{
// calculate KeyDiff so that we can differentiate the items with duplicate key text
for (string key = this.KeyText; LocalClipboard.Dict.ContainsKey(key); key = this.KeyText + this.KeyDiff)
{
// store item with the same key
ClipboardItem duplicateKeyItem = LocalClipboard.Dict[key];
// if keys are equivalent but the items are not, increment KeyDiff and continue loop
if (!this.IsEquivalent(duplicateKeyItem))
{
this.KeyDiff++;
continue;
}
// if old item is at the target index, then there is no need to add this item
if (LocalClipboard.Keys.IndexOf(key) == 0)
{
return(false);
}
// if this point is reached, remove the old item and break from the loop
LocalClipboard.Remove(duplicateKeyItem.KeyText, duplicateKeyItem);
break;
}
return(true);
}
private void RemoveBtn_Click(object sender, EventArgs e)
{
// set focus back to the local clipboard
LocalClipboard.Focus();
// remove the current index of the local clipboard
LocalClipboard.Remove();
}
private void EditTextItem_Click(object sender, EventArgs e)
{
// check for valid SelectedIndex val before continuing
if (listBox.SelectedIndex < 0)
{
MsgLabel.Normal("No text item is selected!");
return;
}
// check for TextItem
var oitem = LocalClipboard.Dict[(string)listBox.SelectedItem];
if (oitem.Type != ClipboardItem.TypeEnum.Text)
{
MsgLabel.Normal("Selected item is not a text item!");
return;
}
// get new text
string otext = ((TextItem)oitem).Text;
string ntext = wnd.ShowDialog(otext);
// edit item if text is valid
if (ntext == null)
{
return;
}
else
{
int i = listBox.SelectedIndex;
LocalClipboard.Remove(i);
var nitem = new TextItem(this, ntext);
LocalClipboard.Move(nitem.KeyText, nitem, i);
MsgLabel.Normal("Text item edited!");
}
}
/// <summary>
/// Moves item to new index
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="index"></param>
public static void Move(string key, ClipboardItem value, int index)
{
LocalClipboard.Remove(key, value);
LocalClipboard.Insert(key, value, index);
}
public static void Remove()
{
LocalClipboard.Remove(MainWindow.ListBox.SelectedIndex);
}