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#!/usr/bin/rexx
/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 2007-2008 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/* Authors; */
/* W. David Ashley <dashley@us.ibm.com> */
/* */
/*----------------------------------------------------------------------------*/
-- Derived from Listing 8-7
-- Foundations of GTK+ Development
-- by Andrew Krause
call gtk_init
BUY_IT = 0
QUANTITY = 1
PRODUCT = 2
COLUMNS = 3
PRODUCT_CATEGORY = 0
PRODUCT_CHILD = 1
list = .array~new(1)
list[1] = .GroceryItem~new(PRODUCT_CATEGORY, .true, 0, 'Cleaning Supplies')
list[2] = .GroceryItem~new(PRODUCT_CHILD, .true, 1, 'Paper Towels')
list[3] = .GroceryItem~new(PRODUCT_CHILD, .true, 3, 'Toilet Paper')
list[4] = .GroceryItem~new(PRODUCT_CATEGORY, .true, 0, 'Food')
list[5] = .GroceryItem~new(PRODUCT_CHILD, .true, 2, 'Bread')
list[6] = .GroceryItem~new(PRODUCT_CHILD, .false, 1, 'Butter')
list[7] = .GroceryItem~new(PRODUCT_CHILD, .true, 1, 'Milk')
list[8] = .GroceryItem~new(PRODUCT_CHILD, .false, 3, 'Chips')
list[9] = .GroceryItem~new(PRODUCT_CHILD, .true, 4, 'Soda')
window = .myMainWindow~new(.gtk~GTK_WINDOW_TOPLEVEL)
window~set_title('Grocery List')
window~signal_connect('destroy')
window~set_border_width(10)
window~set_size_request(275, 300)
treeview = .GtkTreeview~new()
call setup_tree_view treeview, BUY_IT, QUANTITY, PRODUCT
store = .GtkTreeStore~new(.gtk~G_TYPE_BOOLEAN, .gtk~G_TYPE_INT, .gtk~G_TYPE_STRING)
do i = 1 to list~items
if list[i]~product_type = PRODUCT_CATEGORY then do
j = i + 1
do while list[j]~product_type <> PRODUCT_CATEGORY
if list[j]~buy then do
list[i]~quantity += list[j]~quantity
end
j += 1
if j > list~items then leave
end
iter = store~append(.nil)
store~set_value(iter, BUY_IT, list[i]~buy, QUANTITY, list[i]~quantity,,
PRODUCT, list[i]~product)
end
else do
child = store~append(iter)
store~set_value(child, BUY_IT, list[i]~buy, QUANTITY, list[i]~quantity,,
PRODUCT, list[i]~product)
end
end
treeview~set_model(store)
treeview~expand_all()
scrolled_win = .GtkScrolledWindow~new(.nil, .nil)
scrolled_win~set_policy(.gtk~GTK_POLICY_AUTOMATIC, .gtk~GTK_POLICY_AUTOMATIC)
selection = treeview~get_selection()
selection~set_mode(.gtk~GTK_SELECTION_MULTIPLE)
scrolled_win~add(treeview)
scrolled_win~set_policy(.gtk~GTK_POLICY_AUTOMATIC, .gtk~GTK_POLICY_AUTOMATIC)
add = .MyAddButton~newFromStock(.gtk~GTK_STOCK_ADD)
remove = .MyRemoveButton~newFromStock(.gtk~GTK_STOCK_REMOVE)
add~user_data = .array~new()
remove~user_data = .array~new()
add~user_data[1] = treeview
add~user_data[2] = list
add~user_data[3] = PRODUCT_CATEGORY
add~user_data[4] = BUY_IT
add~user_data[5] = PRODUCT
add~user_data[6] = QUANTITY
add~user_data[7] = store
remove~user_data[1] = treeview
remove~user_data[2] = list
remove~user_data[3] = PRODUCT_CATEGORY
remove~user_data[4] = BUY_IT
remove~user_data[5] = PRODUCT
remove~user_data[6] = QUANTITY
remove~user_data[7] = store
add~signal_connect('clicked')
remove~signal_connect('clicked')
hbox = .GtkHBox~new(.true, 5)
hbox~pack_start(add, .false, .true, 0)
hbox~pack_start(remove, .false, .true, 0)
vbox = .GtkVBox~new(.false, 5)
vbox~pack_start(scrolled_win, .true, .true, 0)
vbox~pack_start(hbox, .false, .true, 0)
window~add(vbox)
window~show_all()
call gtk_main
return
::requires 'rexxgtk.cls'
::routine setup_tree_view
use strict arg treeview, BUY_IT, QUANTITY, PRODUCT
renderer = .GtkCellRendererText~new()
column = .GtkTreeViewColumn~newWithAttributes('Buy', renderer, 'text', BUY_IT)
treeview~append_column(column)
renderer = .GtkCellRendererText~new()
column = .GtkTreeViewColumn~newWithAttributes('Count', renderer, 'text', QUANTITY)
treeview~append_column(column)
renderer = .GtkCellRendererText~new()
column = .GtkTreeViewColumn~newWithAttributes('Product', renderer, 'text', PRODUCT)
treeview~append_column(column)
return
::class GroceryItem
::attribute product_type
::attribute buy
::attribute quantity
::attribute product
::method init
use strict arg self~product_type, self~buy, self~quantity, self~product
return
::class myMainWindow subclass GtkWindow
::method signal_destroy
call gtk_main_quit
return
::class MyAddButton subclass GtkButton
::method signal_clicked
treeview = self~user_data[1]
list = self~user_data[2]
PRODUCT_CATEGORY = self~user_data[3]
BUY_IT = self~user_data[4]
PRODUCT = self~user_data[5]
QUANTITY = self~user_data[6]
store = self~user_data[7]
dialog = .GtkDialog~new('Add a Product', .nil, .gtk~GTK_DIALOG_MODAL,,
.gtk~GTK_STOCK_ADD, .gtk~GTK_RESPONSE_OK,,
.gtk~GTK_STOCK_CANCEL, .gtk~GTK_RESPONSE_CANCEL)
combobox = .GtkComboBoxText~new()
entry = .GtkEntry~new();
spin = .GtkSpinButton~newWithRange(0, 100, 1)
check = .GtkCheckButton~newWithMnemonic('_Buy the Product')
spin~set_digits(0)
do prod over list
if prod~product_type = PRODUCT_CATEGORY then do
combobox~append_text(prod~product)
end
end
table = .GtkTable~new(4, 2, .false)
table~set_row_spacings(5)
table~set_col_spacings(5)
table~set_border_width(5)
table~attach(.GtkLabel~new('Category:'), 0, 1, 0, 1,,
.gtk~GTK_SHRINK + .gtk~GTK_FILL, .gtk~GTK_SHRINK + .gtk~GTK_FILL,,
0, 0)
table~attach(combobox, 1, 2, 0, 1,,
.gtk~GTK_EXPAND + .gtk~GTK_FILL, .gtk~GTK_SHRINK + .gtk~GTK_FILL,,
0, 0)
table~attach(.GtkLabel~new('Product:'), 0, 1, 1, 2,,
.gtk~GTK_SHRINK + .gtk~GTK_FILL, .gtk~GTK_SHRINK + .gtk~GTK_FILL,,
0, 0)
table~attach(entry, 1, 2, 1, 2,,
.gtk~GTK_EXPAND + .gtk~GTK_FILL, .gtk~GTK_SHRINK + .gtk~GTK_FILL,,
0, 0)
table~attach(.GtkLabel~new('Quantity:'), 0, 1, 2, 3,,
.gtk~GTK_SHRINK + .gtk~GTK_FILL, .gtk~GTK_SHRINK + .gtk~GTK_FILL,,
0, 0)
table~attach(spin, 1, 2, 2, 3,,
.gtk~GTK_EXPAND + .gtk~GTK_FILL, .gtk~GTK_SHRINK + .gtk~GTK_FILL,,
0, 0)
table~attach(check, 1, 2, 3, 4,,
.gtk~GTK_EXPAND + .gtk~GTK_FILL, .gtk~GTK_SHRINK + .gtk~GTK_FILL,,
0, 0)
dialog~vbox~pack_start_defaults(table)
dialog~show_all()
if dialog~dialog_run() = .gtk~GTK_RESPONSE_OK then do
quant = spin~get_text()
prod = entry~get_text()
cat = combobox~get_active_text()
buy = check~get_active()
if prod = '' | cat = '' then do
say 'All of the fields were not correctly filled out!'
dialog~destroy()
return
end
model = treeview~get_model()
iter = model~get_iter_from_string('0');
do while \iter~isNull()
name = model~get_value(iter, PRODUCT)
if name = cat then leave
iter = model~iter_next(iter)
end
path = model~get_path(iter)
child = store~append(iter)
store~set_value(child, BUY_IT, buy, QUANTITY, quant, PRODUCT, prod)
if buy = .true then do
path = model~get_path(iter)
i = model~get_value(iter, QUANTITY)
i += quant
store~set_value(iter, QUANTITY, i)
end
end
dialog~destroy()
return
::class MyRemoveButton subclass GtkButton
::method signal_clicked
treeview = self~user_data[1]
list = self~user_data[2]
PRODUCT_CATEGORY = self~user_data[3]
BUY_IT = self~user_data[4]
PRODUCT = self~user_data[5]
QUANTITY = self~user_data[6]
store = self~user_data[7]
selection = treeview~get_selection()
model = treeview~get_model()
rows = selection~get_selected_rows(model)
do row over rows
-- remove each row
path = row~get_path()
iter = model~get_iter(path)
if model~has_parent(iter) then do
buy = model~get_value(iter, BUY_IT)
quant = model~get_value(iter, QUANTITY)
parent = model~get_parent(iter)
num = model~get_value(parent, QUANTITY)
if buy then do
num = num - quant
store~set_value(parent, QUANTITY, num)
end
store~remove(iter);
end
end
return