collapseable-dialog.py

################################################################################
# SampleEtoCollapsibleDialog.py
# MIT License - Copyright (c) 2017 Robert McNeel & Associates.
# See License.md in the root of this repository for details.
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import scriptcontext
import rhinoscriptsyntax as rs
import clr
import sys
clr.AddReference("Eto")
clr.AddReference("Rhino.UI")

from Rhino.UI import *
from Eto.Forms import Form, Dialog, Label, TextBox, StackLayout, Orientation, Button, HorizontalAlignment, VerticalAlignment, TextAlignment, NumericUpDown, MessageBox, DropDown, CheckBox, TableLayout, StackLayoutItem, DynamicLayout, Control, Panel, Form
from Eto.Drawing import *

# Custom label helper to set alignment
def L(text):
	return Label(Text = text, VerticalAlignment = VerticalAlignment.Center, TextAlignment = TextAlignment.Right)

form = Dialog[bool]() # return True or False from ShowModal()
form.Title = "My Collapsible Eto Form"
form.Resizable = False
form.Padding = Padding(5)


# a few buttons always shown at the bottom
previewButton = Button(Text = "Preview")

cancelButton = Button(Text = "Cancel")
def cancelButton_Click (sender, e):
	try:
		form.Close(False)
	except:
		print "Unexpected error:", sys.exc_info()[0]
		pass # so we don't bring down rhino if there's a bug in the script
cancelButton.Click += cancelButton_Click;

okButton = Button(Text = "OK")
def okButton_Click (sender, e):
	try:
		form.Close(True)
	except:
		print "Unexpected error:", sys.exc_info()[0]
		pass # so we don't bring down rhino if there's a bug in the script
okButton.Click += okButton_Click

# set default buttons when user presses enter or escape anywhere on the form
form.DefaultButton = okButton
form.AbortButton = cancelButton
toleranceUpDown = NumericUpDown()

# our main layout
layout = DynamicLayout(DefaultSpacing = Size(2,2))
layout.AddSeparateRow(None, L("Tolerance"), toleranceUpDown, L("millimeters"), None)
layout.Add(None); # expanding space, in case you want the form re-sizable
layout.AddSeparateRow(None, previewButton, cancelButton, okButton);
form.Content = layout;
	
	
if form.ShowModal():
	print "Do something, user clicked OK"