class Previewer(ItemsProcessorBase):
THUMB_MAX_WIDTH = 200
THUMB_MAX_HEIGHT = 200
def __init__(self):
super().__init__(_('Preview'), ItemsProcessorPriority.HIGH)
self._thumb_max_width = Previewer.THUMB_MAX_WIDTH
self._thumb_max_height = Previewer.THUMB_MAX_HEIGHT
self._thumb = ItemThumb()
self._thumb.set_vexpand(True)
self._thumb.set_hexpand(True)
self._thumb.set_valign(Gtk.Align.CENTER)
self._thumb.set_halign(Gtk.Align.CENTER)
self._thumb.props.margin = ItemsProcessorBase.MARGIN
self._thumb.show()
self._thumb_eventbox = Gtk.EventBox()
self._thumb_eventbox.set_no_show_all(True)
self._thumb_eventbox.add(self._thumb)
self._thumb_eventbox.connect(
'realize',
self._change_cursor
)
self._thumb_eventbox.connect(
'button-release-event',
self._on_thumb_button_release
)
self._thumb_eventbox.set_tooltip_text(
_('Click to locate the file on disk')
)
self._thumb_eventbox.hide()
self._path_entry = Gtk.Entry()
self._path_entry.set_editable(False)
self._path_entry.set_hexpand(True)
self._path_entry.set_icon_from_icon_name(
Gtk.EntryIconPosition.PRIMARY,
'system-file-manager-symbolic'
)
self._path_entry.props.margin = ItemsProcessorBase.MARGIN
self._text_window = TextWindow()
self._text_window.set_no_show_all(True)
self._text_window.textview.set_name('EditorTextView')
self._text_window.textview.set_editable(False)
self._text_window.hide()
self.grid.set_name('PreviwerGrid')
self.grid.attach(self._path_entry, 0, 0, 2, 1)
self.grid.attach(self._thumb_eventbox, 0, 1, 2, 1)
self.grid.attach(self._text_window, 0, 1, 2, 1)
def _change_cursor(self, sender):
window = sender.get_window()
if not window: return
display = Gdk.Display.get_default()
cursor = Gdk.Cursor.new_for_display(display, Gdk.CursorType.HAND1)
window.set_cursor(cursor)
def _on_thumb_button_release(self, event_box, event):
app_info = Gio.AppInfo.get_default_for_type('inode/directory', True)
if not app_info: return
app_info.launch_uris(['file://%s' % self._path_entry.get_text()], None)
common.APPLICATION.hide()
def _is_previewable_type(self, content_type):
if not content_type: return False
if content_type.startswith('text') or 'bash' in content_type:
return True
else:
return False
def _preview_supported(self, item):
if (
item.kind == HistoryItemKind.FILE or
item.kind == HistoryItemKind.IMAGE
):
return True
elif (
not item or
not os.path.exists(item.raw) or
not common.SETTINGS[common.PREVIEW_TEXT_FILES] or
not self._is_previewable_type(item.content_type)
):
return False
return True
def clear(self):
super().clear()
self._path_entry.set_text('')
self._text_window.buffer.set_text('')
self._thumb.clear()
def set_max_size(self, width, height):
self._thumb_max_width = width or Previewer.THUMB_MAX_WIDTH
self._thumb_max_height = height or Previewer.THUMB_MAX_HEIGHT
def set_items(self, items):
self.items = items
self._path_entry.set_text(self.item.raw)
exists = os.path.exists(self.item.raw)
if (
exists and
self._preview_supported(self.item) and
self._is_previewable_type(self.item.content_type)
):
self._thumb_eventbox.hide()
self._text_window.show()
self._path_entry.show()
with open(self.item.raw, 'r') as fp:
contents = fp.read()
self._text_window.set_filename(self.item.raw)
self._text_window.buffer.set_text(contents)
elif self.item.thumb_path:
self._thumb.set_filename(
self.item.thumb_path,
self._thumb_max_width * 0.8,
self._thumb_max_height * 0.8
)
self._text_window.hide()
self._thumb_eventbox.show()
self._path_entry.show()
else:
self._path_entry.hide()
self._thumb_eventbox.hide()
self._text_window.show()
self._text_window.buffer.set_text(self.item.raw)
self._text_window.set_filename(None)
def can_process(self, items):
if (
len(items) == 1 and (
self._preview_supported(items[0]) or
items[0].thumb_path
)
):
return True
else:
return False
class Previewer(ItemsProcessorBase):
THUMB_MAX_WIDTH = 200
THUMB_MAX_HEIGHT = 200
def __init__(self):
super().__init__(_('Preview'), ItemsProcessorPriority.HIGH)
self._thumb_max_width = Previewer.THUMB_MAX_WIDTH
self._thumb_max_height = Previewer.THUMB_MAX_HEIGHT
self._thumb = ItemThumb()
self._thumb.set_vexpand(True)
self._thumb.set_hexpand(True)
self._thumb.set_valign(Gtk.Align.CENTER)
self._thumb.set_halign(Gtk.Align.CENTER)
self._thumb.props.margin = ItemsProcessorBase.MARGIN
self._thumb.show()
self._thumb_eventbox = Gtk.EventBox()
self._thumb_eventbox.set_no_show_all(True)
self._thumb_eventbox.add(self._thumb)
self._thumb_eventbox.connect('realize', self._change_cursor)
self._thumb_eventbox.connect('button-release-event',
self._on_thumb_button_release)
self._thumb_eventbox.set_tooltip_text(
_('Click to locate the file on disk'))
self._thumb_eventbox.hide()
self._path_entry = Gtk.Entry()
self._path_entry.set_editable(False)
self._path_entry.set_hexpand(True)
self._path_entry.set_icon_from_icon_name(
Gtk.EntryIconPosition.PRIMARY, 'system-file-manager-symbolic')
self._path_entry.props.margin = ItemsProcessorBase.MARGIN
self._text_window = TextWindow()
self._text_window.set_no_show_all(True)
self._text_window.textview.set_name('EditorTextView')
self._text_window.textview.set_editable(False)
self._text_window.hide()
self.grid.set_name('PreviwerGrid')
self.grid.attach(self._path_entry, 0, 0, 2, 1)
self.grid.attach(self._thumb_eventbox, 0, 1, 2, 1)
self.grid.attach(self._text_window, 0, 1, 2, 1)
def _change_cursor(self, sender):
window = sender.get_window()
if not window: return
display = Gdk.Display.get_default()
cursor = Gdk.Cursor.new_for_display(display, Gdk.CursorType.HAND1)
window.set_cursor(cursor)
def _on_thumb_button_release(self, event_box, event):
app_info = Gio.AppInfo.get_default_for_type('inode/directory', True)
if not app_info: return
app_info.launch_uris(['file://%s' % self._path_entry.get_text()], None)
common.APPLICATION.hide()
def _is_previewable_type(self, content_type):
if not content_type: return False
if content_type.startswith('text') or 'bash' in content_type:
return True
else:
return False
def _preview_supported(self, item):
if (item.kind == HistoryItemKind.FILE
or item.kind == HistoryItemKind.IMAGE):
return True
elif (not item or not os.path.exists(item.raw)
or not common.SETTINGS[common.PREVIEW_TEXT_FILES]
or not self._is_previewable_type(item.content_type)):
return False
return True
def clear(self):
super().clear()
self._path_entry.set_text('')
self._text_window.buffer.set_text('')
self._thumb.clear()
def set_max_size(self, width, height):
self._thumb_max_width = width or Previewer.THUMB_MAX_WIDTH
self._thumb_max_height = height or Previewer.THUMB_MAX_HEIGHT
def set_items(self, items):
self.items = items
self._path_entry.set_text(self.item.raw)
exists = os.path.exists(self.item.raw)
if (exists and self._preview_supported(self.item)
and self._is_previewable_type(self.item.content_type)):
self._thumb_eventbox.hide()
self._text_window.show()
self._path_entry.show()
with open(self.item.raw, 'r') as fp:
contents = fp.read()
self._text_window.set_filename(self.item.raw)
self._text_window.buffer.set_text(contents)
elif self.item.thumb_path:
self._thumb.set_filename(self.item.thumb_path,
self._thumb_max_width * 0.8,
self._thumb_max_height * 0.8)
self._text_window.hide()
self._thumb_eventbox.show()
self._path_entry.show()
else:
self._path_entry.hide()
self._thumb_eventbox.hide()
self._text_window.show()
self._text_window.buffer.set_text(self.item.raw)
self._text_window.set_filename(None)
def can_process(self, items):
if (len(items) == 1 and
(self._preview_supported(items[0]) or items[0].thumb_path)):
return True
else:
return False
