# OcempGUI example application introducing all widgets and their
# capabilities.
from ocempgui.widgets import *
from ocempgui.widgets.Constants import *
from ocempgui.widgets.components import *
import button, checkbutton, imagebutton, radiobutton, togglebutton, imagelabel
import label, entry, progressbar, scrolledlist, scrolledwindow, window
import frame, table, scale, imagemap, filedialog, genericdialog, graph2d
import scrollbar

class MainScreen (object):
    def __init__ (self, renderer):
        self.renderer = renderer
        self.items =  { "Button" : self.button_selected,
                        "CheckButton" : self.checkbutton_selected,
                        "Entry" : self.entry_selected,
                        "Frames" : self.frames_selected,
                        "FileList & Dialog" : self.filelist_selected,
                        "GenericDialog" : self.genericdialog_selected,
                        "Graph2D" : self.graph2d_selected,
                        "ImageButton" : self.imagebutton_selected,
                        "ImageMap" : self.imagemap_selected,
                        "ImageLabel" : self.imagelabel_selected,
                        "Label" : self.label_selected,                        
                        "ProgressBar" : self.progressbar_selected,
                        "RadioButton" : self.radiobutton_selected,
                        "Scale" : self.scale_selected,
                        "ScrollBar" : self.scrollbar_selected,
                        "ScrolledList" : self.scrolledlist_selected,
                        "ScrolledWindow" : self.scrolledwindow_selected,
                        "Table" : self.table_selected,
                        "ToggleButton" : self.togglebutton_selected,
                        "Windows" : self.windows_selected }
        self.states = ("STATE_NORMAL", "STATE_ENTERED", "STATE_ACTIVE",
                       "STATE_INSENSITIVE")
        self.current = None
        self.frame = None
        self.status = None

        # Set a better font than the default one.
        base.GlobalStyle.styles["default"]["font"]["name"] = "tuffy.ttf"
        base.GlobalStyle.styles["default"]["font"]["size"] = 12

    def update_status (self, text):
        self.status.pop_tip ()
        self.status.push_tip (text)

    def label_selected (self):
        self.frame.add_child (label.create_label_view ())

    def button_selected (self):
        self.frame.add_child (button.create_button_view ())
    
    def imagebutton_selected (self):
        self.frame.add_child (imagebutton.create_button_view ())

    def imagemap_selected (self):
        self.frame.add_child (imagemap.create_imagemap_view ())

    def imagelabel_selected (self):
        self.frame.add_child (imagelabel.create_imagelabel_view ())

    def checkbutton_selected (self):
        self.frame.add_child (checkbutton.create_button_view ())
    
    def togglebutton_selected (self):
        self.frame.add_child (togglebutton.create_button_view ())

    def radiobutton_selected (self):
        self.frame.add_child (radiobutton.create_button_view ())

    def entry_selected (self):
        self.frame.add_child (entry.create_entry_view ())

    def progressbar_selected (self):
        self.frame.add_child (progressbar.create_progressbar_view ())

    def scale_selected (self):
        self.frame.add_child (scale.create_scale_view ())

    def scrollbar_selected (self):
        self.frame.add_child (scrollbar.create_scrollbar_view ())
    
    def scrolledlist_selected (self):
        self.frame.add_child (scrolledlist.create_scrolledlist_view ())

    def scrolledwindow_selected (self):
        self.frame.add_child (scrolledwindow.create_scrolledwindow_view ())

    def windows_selected (self):
        windows = window.create_window_view ()
        for w in windows:
            w.topleft = w.top + 180, w.left + 110
        self.renderer.add_widget (*windows)

    def genericdialog_selected (self):
        dialog = genericdialog.create_dialog_view ()
        dialog.topleft = 180, 110
        self.renderer.add_widget (dialog)

    def graph2d_selected (self):
        self.frame.add_child (graph2d.create_graph2d_view ())
    
    def filelist_selected (self):
        self.frame.add_child (filedialog.create_file_view (self.renderer))
    
    def frames_selected (self):
        self.frame.add_child (frame.create_frame_view ())
    
    def table_selected (self):
        self.frame.add_child (table.create_table_view ())
            
    def select_widget (self, itemlist):
        # We have a single selection only, so there is always only one item
        # in the list.
        item = itemlist.get_selected ()[0]
        self.update_status ("'%s' was selected" % item.text)
        self.current = item.text
        for child in self.frame.children:
            self.frame.remove_child (child)
            child.destroy ()
        self.items[item.text]()

    def init (self):
        # Title.
        lbl_title = Label ("OcempGUI widget example application")
        lbl_title.create_style()["font"]["size"] = 30
        lbl_title.topleft = 150, 5
        self.renderer.add_widget (lbl_title)
    
        # Selection list.
        list_widgets = ScrolledList (150, 450)
        list_widgets.topleft = 15, 100
        list_widgets.index = 1
        list_widgets.selectionmode = SELECTION_SINGLE
        list_widgets.connect_signal (SIG_SELECTCHANGED, self.select_widget,
                                     list_widgets)
        keys = self.items.keys ()
        keys.sort ()
        for item in keys:
            list_widgets.items.append (TextListItem (item))
        self.renderer.add_widget (list_widgets)

        # Window for the entries.
        self.frame = HFrame ()
        self.frame.minsize = (615, 450)
        self.frame.topleft = 170, 100
        self.renderer.add_widget (self.frame)

        # Code/Widget switch.
        btn_switch_code = RadioButton ("Show #Code")
        btn_switch_code.topleft = 170, 70
        btn_switch_code.index = 3
        btn_switch_code.sensitive = False
        btn_switch_widget = RadioButton ("Show #Widget", btn_switch_code)
        btn_switch_widget.topleft = 265, 70
        btn_switch_widget.index = 4
        btn_switch_widget.active = True
        self.renderer.add_widget (btn_switch_code, btn_switch_widget)

        # Status bar.
        self.status = StatusBar ()
        self.status.push_tip ("Start your journey by clicking on an item.")
        self.status.minsize = (770, self.status.minsize[1])
        self.status.tip_width = 650
        self.status.date_width = 120
        self.status.topleft = 15, 577
        self.renderer.add_widget (self.status)

if __name__ == "__main__":
    # Used to ensure the correct display of the date in the StatusBar
    # widget.
    import locale
    locale.setlocale (locale.LC_ALL, '')

    # Initialize the drawing window.
    re = Renderer ()
    re.create_screen (800, 610)
    re.title = "OcempGUI widgets examples"
    re.color = (234, 228, 223)
    re.show_layer_info = True

    mainscreen = MainScreen (re)
    mainscreen.init ()
    
    # Start the main rendering loop.
    re.start ()
