Added/updated test-only files

src/dialogs.py

@@ -0,0 +1,112 @@
+import sys
+
+import urwid
+
+
+class DialogExit(Exception):
+    pass
+
+
+class DialogDisplay:
+    palette = [
+        ('body','black','light gray', 'standout'),
+        ('border','black','dark blue'),
+        ('shadow','white','black'),
+        ('selectable','black', 'dark cyan'),
+        ('focus','white','dark blue','bold'),
+        ('focustext','light gray','dark blue'),
+        ]
+
+    def __init__(self, text, height, width, body=None):
+        width = int(width)
+        if width <= 0:
+            width = ('relative', 80)
+        height = int(height)
+        if height <= 0:
+            height = ('relative', 80)
+
+        self.body = body
+        if body is None:
+            # fill space with nothing
+            body = urwid.Filler(urwid.Divider(),'top')
+
+        self.frame = urwid.Frame( body, focus_part='footer')
+        if text is not None:
+            self.frame.header = urwid.Pile( [urwid.Text(text),
+                urwid.Divider()] )
+        w = self.frame
+
+        # pad area around listbox
+        w = urwid.Padding(w, ('fixed left',2), ('fixed right',2))
+        w = urwid.Filler(w, ('fixed top',1), ('fixed bottom',1))
+        w = urwid.AttrWrap(w, 'body')
+
+        # "shadow" effect
+        w = urwid.Columns( [w,('fixed', 2, urwid.AttrWrap(
+            urwid.Filler(urwid.Text(('border','  ')), "top")
+            ,'shadow'))])
+        w = urwid.Frame( w, footer =
+            urwid.AttrWrap(urwid.Text(('border','  ')),'shadow'))
+
+        # outermost border area
+        w = urwid.Padding(w, 'center', width )
+        w = urwid.Filler(w, 'middle', height )
+        w = urwid.AttrWrap( w, 'border' )
+
+        self.view = w
+
+
+    def add_buttons(self, buttons):
+        l = []
+        for name, exitcode in buttons:
+            b = urwid.Button( name, self.button_press )
+            b.exitcode = exitcode
+            b = urwid.AttrWrap( b, 'selectable','focus' )
+            l.append( b )
+        self.buttons = urwid.GridFlow(l, 10, 3, 1, 'center')
+        self.frame.footer = urwid.Pile( [ urwid.Divider(),
+            self.buttons ], focus_item = 1)
+
+    def button_press(self, button):
+        raise DialogExit(button.exitcode)
+
+    def main(self):
+        self.loop = urwid.MainLoop(self.view, self.palette)
+        try:
+            self.loop.run()
+        except DialogExit:
+            return self.on_exit( e.args[0] )
+
+    def on_exit(self, exitcode):
+        return exitcode, ""
+
+
+
+
+class InputDialogDisplay(DialogDisplay):
+    def __init__(self, text, height, width):
+        self.edit = urwid.Edit()
+        body = urwid.ListBox([self.edit])
+        body = urwid.AttrWrap(body, 'selectable','focustext')
+
+        DialogDisplay.__init__(self, text, height, width, body)
+
+        self.frame.set_focus('body')
+
+    def unhandled_key(self, size, k):
+        if k in ('up','page up'):
+            self.frame.set_focus('body')
+        if k in ('down','page down'):
+            self.frame.set_focus('footer')
+        if k == 'enter':
+            # pass enter to the "ok" button
+            self.frame.set_focus('footer')
+            self.view.keypress( size, k )
+
+    def on_exit(self, exitcode):
+        return exitcode, self.edit.get_edit_text()
+
+def do_inputbox(text, height, width):
+    d = InputDialogDisplay( text, height, width )
+    d.add_buttons([    ("Exit", 0) ])
+    return d

src/fileChoserDialog.py

@@ -0,0 +1,30 @@
+from selectionDialog import SelectionDialog
+import os
+
+
+def openFileChoserDialog(title, path, preview = True):
+    choices = list()
+    file_list = list()
+
+    for filename in os.listdir(path):
+        fullpath = path + "/" + filename
+        file_list.append(fullpath)
+        with open(fullpath, "r") as fhandle:
+            appendstring = ""
+            if preview:
+                line = fhandle.readline()
+                line = line.rstrip()
+                if len(line) > 20:
+                    line = line[:17]
+                    line += "..."
+                appendstring += line + "\n("
+
+            appendstring += filename
+
+            if preview:
+                appendstring += ")"
+
+            choices.append(appendstring)
+
+    choice = SelectionDialog(title, choices, 20).start()
+    print(file_list[choice])

src/nobj_fileChoserDialog.py

@@ -0,0 +1,30 @@
+from selectionDialog import SelectionDialog
+import os
+
+
+def openFileChoserDialog(title, path, preview = True):
+    choices = list()
+    file_list = list()
+
+    for filename in os.listdir(path):
+        fullpath = path + "/" + filename
+        file_list.append(fullpath)
+        with open(fullpath, "r") as fhandle:
+            appendstring = ""
+            if preview:
+                line = fhandle.readline()
+                line = line.rstrip()
+                if len(line) > 20:
+                    line = line[:17]
+                    line += "..."
+                appendstring += line + "\n("
+
+            appendstring += filename
+
+            if preview:
+                appendstring += ")"
+
+            choices.append(appendstring)
+
+    choice = SelectionDialog(title, choices, 20).start()
+    print(file_list[choice])

src/nobj_selectionDialog.py

@@ -0,0 +1,40 @@
+import urwid
+import sys
+
+class SelectionDialog(object):
+
+def menu(title, choices):
+    body = [ urwid.Text(title, align = "center"), urwid.Divider()]
+    body.append(headline)
+    for c in choices:
+        button = urwid.Button(c)
+        urwid.connect_signal(button, 'click', self.item_chosen, c)
+        body.append(urwid.AttrMap(button, None, focus_map='reversed'))
+        body.append(urwid.Text("------"))
+    return urwid.ListBox(urwid.SimpleFocusListWalker(body))
+
+def item_chosen(self, button, choice):
+    self.choice = choice
+    self.exit_program()
+
+def exit_program(self):
+    raise urwid.ExitMainLoop()
+
+def __init__ (self, title, choices, width = 60, height = 60):
+    self.choices = choices
+    self.mainpd = urwid.Padding(self.menu(title, choices), left=1, right=1)
+    self.top = urwid.Overlay(self.mainpd, urwid.SolidFill(u'\N{MEDIUM SHADE}'),
+        align='center', width=('relative', 60),
+        valign='middle', height=('relative', 60),
+        min_width=20, min_height=9)
+
+    bt = urwid.BigText("Notology.", urwid.font.HalfBlock5x4Font())
+    bt = urwid.Padding(bt, "center", width = "clip")
+    #bt = urwid.Filler(bt, "bottom")
+    bt = urwid.BoxAdapter(bt, height = 5)
+    self.main_frame = urwid.Frame(self.top, header = bt)
+
+def start(self):
+    urwid.MainLoop(self.main_frame, palette=[('reversed', 'standout', '')]).run()
+    return self.choices.index(self.choice)
+

src/popup.py

@@ -0,0 +1,30 @@
+import urwid
+
+class PopUpDialog(urwid.WidgetWrap):
+    """A dialog that appears with nothing but a close button """
+    signals = ['close']
+    def __init__(self):
+        close_button = urwid.Button("that's pretty cool")
+        urwid.connect_signal(close_button, 'click',
+            lambda button:self._emit("close"))
+        pile = urwid.Pile([urwid.Text(
+            "^^  I'm attached to the widget that opened me. "
+            "Try resizing the window!\n"), close_button])
+        fill = urwid.Filler(pile)
+        self.__super.__init__(urwid.AttrWrap(fill, 'popbg'))
+
+
+class Popup(urwid.PopUpLauncher):
+    def __init__(self):
+        self.__super.__init__(urwid.Button("click-me"))
+        urwid.connect_signal(self.original_widget, 'click',
+            lambda button: self.open_pop_up())
+
+    def create_pop_up(self):
+        pop_up = PopUpDialog()
+        urwid.connect_signal(pop_up, 'close',
+            lambda button: self.close_pop_up())
+        return pop_up
+
+    def get_pop_up_parameters(self):
+        return {'left':0, 'top':1, 'overlay_width':32, 'overlay_height':7}