Source canvas gui dialogs InputDialog.nas
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var InputDialog = {
Ok: 0x0001,
Cancel: 0x0002,
new: func( title = "Input",
label = "",
text = "" )
{
return {
parents: [InputDialog],
_title: title,
_label: label,
_text: text
};
},
setTitle: func(title)
{
me._title = title;
return me;
},
setLabel: func(label)
{
me._label = label;
return me;
},
setText: func(text)
{
me._text = text;
return me;
},
exec: func(cb = nil)
{
var MARGIN = 12;
var dlg = canvas.Window.new([300,120], "dialog")
.setTitle(me._title);
var root = dlg.getCanvas(1)
.set("background", style.getColor("bg_color"))
.createGroup();
var vbox = VBoxLayout.new();
vbox.setContentsMargin(MARGIN);
dlg.setLayout(vbox);
vbox.addItem(
gui.widgets.Label.new(root, style, {wordWrap: 1})
.setText(me._label)
);
var input = gui.widgets.LineEdit.new(root, style, {});
vbox.addItem(input);
input.setText(me._text);
input.setFocus();
var button_box = HBoxLayout.new();
vbox.addItem(button_box);
button_box.addStretch(1);
foreach(var button; [me.Ok, me.Cancel])
{
(func{
var b_id = button;
button_box.addItem(
gui.widgets.Button.new(root, style, {})
.setText(me._button_names[button])
.listen("clicked", func {
dlg.del();
if( cb != nil )
cb(b_id, b_id == me.Ok ? input.text() : nil);
})
);
})();
}
var w = math.max(300, vbox.sizeHint()[0]);
dlg.setSize(w, vbox.heightForWidth(w));
return me;
},
# Show an input dialog to get a text string
#
# @param title
# @param label
# @param cb Dialog close callback
# @param text Default text
getText: func(title, label, cb, text = "")
{
var dlg = InputDialog.new(title, label, text);
return dlg.exec(cb);
},
# private:
_button_names: {}
};
# Standard button names
InputDialog._button_names[ InputDialog.Ok ] = "Ok";
InputDialog._button_names[ InputDialog.Cancel ] = "Cancel";