dlg/fileopen.py

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#
# Copyright (c) 2006 Cristian L. Vlasceanu
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the following
# conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
# AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.
# 
# NOTE: The above applies solely to Python source code provided 
# herein, and it DOES NOT COVER the Zero Debugger Engine and plug-ins.
#
import gtk
import os.path
import zero


def set_filename(fileButton, process):
        name = process.name()
        basename = os.path.basename(name)
        btn = fileButton.get_children()[0]
        box = btn.get_children()[0]
        image = box.get_children()[0]
        label = box.get_children()[1]
        iconName = "gnome-mime-application-x-executable"
        if process.origin() == zero.Process.Origin.Core:
                iconName = "gnome-mime-application-x-core"

        image.set_from_icon_name(iconName, gtk.ICON_SIZE_MENU)
        label.set_text(basename)


class FileOpen(object):
        """
        Implements the logic associated with File Chooser Dialog
        """
        def __init__(self, fileChooser, filters = ()):
                self.__filters = filters

                box = gtk.HBox()
                try:
                        fileChooser.set_extra_widget(box)
                        fileChooser.connect("file-activated", self.on_file_activated)
                        fileChooser.connect("update-preview", self.on_update_preview, box)
                        for f in filters:
                                fileChooser.set_filter(f.filter)
                                f.connect("update_preview", self.on_update_preview)
                except:
                        fileChooser.connect("response", self.__on_response)


        def on_update_preview(self, fileChooser, preview):
                #clear the preview:
                for w in preview.get_children():
                        preview.remove(w)
                #pass the preview to filters
                filename = fileChooser.get_preview_filename()
                if filename:
                        for f in self.__filters:
                                if f.update_preview(preview, filename):
                                        break


        def on_file_activated(self, chooser):
                filename = chooser.get_filename()
                if filename:
                        for f in self.__filters:
                                if f.open(filename):
                                        chooser.hide()
                                        break

        def __on_response(self, dlg, respID):
                if respID == gtk.RESPONSE_OK:
                        self.on_file_activated(dlg)
                else:
                        dlg.hide()