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#
# templdlg demo --- called from demo.rb
#
unless Object.const_defined?('DemoVar')
fail RuntimeError, "This is NOT a stand alone script. This script is called from 'demo.rb'. "
end
module DemoTree
@@count = 0
@@dblclick = false
@@top = nil
def self.create(nb)
frame = nb.insert('end', 'demoTree', :text=>'Tree')
pw = Tk::BWidget::PanedWindow.new(frame, :side=>:top)
pane = pw.add(:weight=>1)
title = Tk::BWidget::TitleFrame.new(pane, :text=>'Directory tree')
sw = Tk::BWidget::ScrolledWindow.new(title.get_frame,
:relief=>:sunken, :borderwidth=>2)
tree = Tk::BWidget::Tree.new(sw, :relief=>:flat, :borderwidth=>0,
:width=>15, :highlightthickness=>0,
:redraw=>false, :dropenabled=>true,
:dragenabled=>true, :dragevent=>3,
:droptypes=>[
'TREE_NODE', [
:copy, [],
:move, [],
:link, []
],
'LISTBOX_ITEM', [
:copy, [],
:move, [],
:link, []
]
],
:opencmd=>proc{|node|
moddir(1, tree, node)
},
:closecmd=>proc{|node|
moddir(0, tree, node)
})
sw.set_widget(tree)
sw.pack(:side=>:top, :expand=>true, :fill=>:both)
title.pack(:fill=>:both, :expand=>true)
pane = pw.add(:weight=>2)
lf = Tk::BWidget::TitleFrame.new(pane, :text=>'Content')
sw = Tk::BWidget::ScrolledWindow.new(lf.get_frame,
:scrollbar=>:horizontal,
:auto=>:none, :relief=>:sunken,
:borderwidth=>2)
list = Tk::BWidget::ListBox.new(sw, :relief=>:flat, :borderwidth=>0,
:highlightthickness=>0, :width=>20,
:multicolumn=>true, :redraw=>false,
:dragevent=>3, :dropenabled=>true,
:dragenabled=>true,
:droptypes=>[
'TREE_NODE', [
:copy, [],
:move, [],
:link, []
],
'LISTBOX_ITEM', [
:copy, [],
:move, [],
:link, []
]
])
sw.set_widget(list)
Tk.pack(sw, lf, :fill=>:both, :expand=>true)
pw.pack(:fill=>:both, :expand=>true)
tree.textbind('ButtonPress-1',
proc{|node, ev| select('tree', 1, tree, list, node)})
tree.textbind('Double-ButtonPress-1',
proc{|node, ev| select('tree', 2, tree, list, node)})
list.textbind('ButtonPress-1',
proc{|node, ev| select('list', 1, tree, list, node)})
list.textbind('Double-ButtonPress-1',
proc{|node, ev| select('list', 2, tree, list, node)})
list.imagebind('Double-ButtonPress-1',
proc{|node, ev| select('list', 2, tree, list, node)})
nb.itemconfigure('demoTree',
:createcmd=>proc{|*args| init(tree, list, *args)},
:raisecmd=>proc{
Tk.root.geometry =~
/\d+x\d+([+-]{1,2}\d+)([+-]{1,2}\d+)/
global_w = ($1 || 0).to_i
global_h = ($2 || 0).to_i
if @@top
Tk::BWidget.place(@@top, 0, 0, :at,
global_w - Tk.root.winfo_screenwidth, global_h)
@@top.deiconify
Tk.root.bind('Unmap', proc{@@top.withdraw})
Tk.root.bind('Map', proc{@@top.deiconify})
Tk.root.bind('Configure', proc{|w|
if w == Tk.root
Tk.root.geometry =~
/\d+x\d+([+-]{1,2}\d+)([+-]{1,2}\d+)/
global_w = ($1 || 0).to_i
global_h = ($2 || 0).to_i
Tk::BWidget.place(@@top, 0, 0, :at,
global_w - Tk.root.winfo_screenwidth,
global_h)
end
}, '%W')
end
},
:leavecmd=>proc{
@@top.withdraw if @@top
Tk.root.bind_remove('Unmap')
Tk.root.bind_remove('Map')
Tk.root.bind_remove('Configure')
true
})
end
def self.init(tree, list, *args)
@@count = 0
if Tk::PLATFORM['platform'] == 'unix'
rootdir = File.expand_path('~')
else
rootdir = 'c:'
end
tree.insert('end', 'root', 'home',
:text=>rootdir, :data=>rootdir, :open=>true,
:image=>Tk::BWidget::Bitmap.new('openfold'))
getdir(tree, 'home', rootdir)
select('tree', 1, tree, list, 'home')
tree.redraw(true)
list.redraw(true)
@@top = TkToplevel.new
@@top.withdraw
@@top.protocol('WM_DELETE_WINDOW'){
# don't kill me
}
@@top.resizable(false, false)
@@top.title('Drag rectangle to scroll directory tree')
@@top.transient(Tk.root)
Tk::BWidget::ScrollView.new(@@top, :window=>tree, :fill=>'white',
:width=>300, :height=>300, :relief=>:sunken,
:bd=>1).pack(:fill=>:both, :expand=>true)
end
def self.getdir(tree, node, path)
lentries = Dir.glob(File.join(path, '*')).sort
lfiles = []
lentries.each{|f|
basename = File.basename(f)
if File.directory?(f)
Tk::BWidget::Tree::Node.new(tree, node,
:index=>'end', :text=>basename,
:image=>Tk::BWidget::Bitmap.new('folder'),
:drawcross=>:allways, :data=>f)
@@count += 1
else
lfiles << basename
end
}
tree.itemconfigure(node, :drawcross=>:auto, :data=>lfiles)
end
def self.moddir(idx, tree, node)
if (idx != 0 && tree.itemcget(node, :drawcross).to_s == 'allways')
getdir(tree, node, tree.itemcget(node, :data))
if tree.nodes(node).empty?
tree.itemconfigure(node, :image=>Tk::BWidget::Bitmap.new('folder'))
else
tree.itemconfigure(node, :image=>Tk::BWidget::Bitmap.new('openfold'))
end
else
img = %w(folder openfold)[idx] || 'openfold'
tree.itemconfigure(node, :image=>Tk::BWidget::Bitmap.new(img))
end
end
def self.select(where, num, tree, list, node)
@@dblclick = true
if num == 1
if (where == 'tree' &&
tree.selection_get.find{|x|
TkUtil._get_eval_string(x) == TkUtil._get_eval_string(node)
})
@@dblclick = false
Tk.after(500, proc{edit('tree', tree, list, node)})
return
end
if (where == 'list' &&
list.selection_get.find{|x|
TkUtil._get_eval_string(x) == TkUtil._get_eval_string(node)
})
@@dblclick = false
Tk.after(500, proc{edit('list', tree, list, node)})
return
end
if where == 'tree'
select_node(tree, list, node)
else
list.selection_set(node)
end
elsif (where == 'list' && tree.exist?(node))
parent = tree.parent(node)
while TkUtil._get_eval_string(parent) != 'root'
tree.itemconfigure(parent, :open=>true)
parent = tree.parent(parent)
end
select_node(tree, list, node)
end
end
def self.select_node(tree, list, node)
tree.selection_set(node)
Tk.update
list.delete(*(list.items(0, 'end')))
dir = tree.itemcget(node, :data)
if tree.itemcget(node, :drawcross).to_s == 'allways'
getdir(tree, node, dir)
dir = tree.itemcget(node, :data)
end
tree.nodes(node).each{|subnode|
list.insert('end', subnode,
:text=>tree.itemcget(subnode, :text),
:image=>Tk::BWidget::Bitmap.new('folder'))
}
TkComm.simplelist(dir).each{|f|
Tk::BWidget::ListBox::Item.new(list, 'end', :text=>f,
:image=>Tk::BWidget::Bitmap.new('file'))
}
end
def self.edit(where, tree, list, node)
return if @@dblclick
if (where == 'tree' &&
tree.selection_get.find{|x|
TkUtil._get_eval_string(x) == TkUtil._get_eval_string(node)
})
res = tree.edit(node, tree.itemcget(node, :text))
if res != ''
tree.itemconfigure(node, :text=>res)
if list.exist?(node)
list.itemconfigure(node, :text=>res)
end
tree.selection_set(node)
end
return
end
if (where == 'list')
res = list.edit(node, list.igemcget(node, :text))
if res != ''
list.itemconfigure(node, :text=>res)
if tree.exist?(node)
tree.itemconfigure(node, :text=>res)
else
cursel = tree.selection_get[0]
index = list.index(node) - tree.nodes(cursel).size
data = TkComm.simplelist(tree.itemcget(cursel, :data))
data[index] = res
tree.itemconfigure(cursel, :date=>data)
end
list.selection_set(node)
end
end
end
def self.expand(tree, but)
unless (cur = tree.selection_get).empty?
if TkComm.bool(but)
tree.opentree(cur)
else
tree.closetree(cur)
end
end
end
end
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