private void treeView_BeforeSelect(object sender, TreeViewCancelEventArgs e)
{
if (treeView.SelectedNode?.Tag?.GetType() == typeof(TOKLeaf))
{
TOKLeaf leaf = (TOKLeaf)treeView.SelectedNode.Tag;
leaf.Text = String.Copy(textView.Text);
}
}
private void addLeafToolStripMenuItem_Click(object sender, EventArgs e)
{
if (treeView.SelectedNode.Tag?.GetType() != typeof(TOKLeaf))
{
TOKLeaf leaf = new TOKLeaf();
TOKBranch tokParent = (TOKBranch)treeView.SelectedNode.Tag;
tokParent.Nodes.Add(leaf);
TreeNode treeNode = makeTreeNode(leaf);
treeView.SelectedNode.Nodes.Add(treeNode);
treeView.SelectedNode = treeNode;
}
}
private void treeView_AfterSelect(object sender, TreeViewEventArgs e)
{
if (treeView.SelectedNode?.Tag?.GetType() == typeof(TOKLeaf))
{
TOKLeaf leaf = (TOKLeaf)treeView.SelectedNode.Tag;
textView.Text = String.Copy(leaf.Text);
textView.Enabled = true;
textView.BackColor = SystemColors.Window;
}
else
{
textView.Text = "";
textView.Enabled = false;
textView.BackColor = SystemColors.ControlDark;
}
}
private void saveToolStripMenuItem_Click(object sender, EventArgs e)
{
SaveFileDialog saveDlg = new SaveFileDialog
{
CheckPathExists = true,
Filter = "Tree Of Knowledge files (*.tok)|*.tok",
DefaultExt = "tok",
FilterIndex = 1
};
if (saveDlg.ShowDialog() == DialogResult.OK)
{
if (treeView.SelectedNode?.Tag?.GetType() == typeof(TOKLeaf))
{
TOKLeaf leaf = (TOKLeaf)treeView.SelectedNode.Tag;
leaf.Text = String.Copy(textView.Text);
}
_tree.SaveAs(saveDlg.FileName);
}
}