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Make it works with Gedit 3.16.3 #10

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Make it works with Gedit 3.16.3 #10

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574c99f
Make it works with Gedit 3.16.3
R1kk3r Sep 29, 2015
bf725a0
Small fix when leaving Gedit without the markdown panel opened
R1kk3r Sep 29, 2015
a88294a
Fix bugs (enable/disable multiple time the plugin)
R1kk3r Sep 30, 2015
cd804d3
Fix bugs (enable/disable multiple time the plugin)
R1kk3r Sep 30, 2015
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189 changes: 99 additions & 90 deletions plugins/markdown-preview/markdown-preview/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,11 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

from gi.repository import Gdk, Gtk, Gedit, GObject, WebKit

###########
# IMPORTS #
###########
from gi.repository import Gio, Gdk, Gtk, Gedit, GObject, WebKit, GLib
import codecs
import os
import sys
Expand All @@ -27,6 +31,12 @@
from configparser import SafeConfigParser
import webbrowser


##################
# INITIALIZATION #
##################

# Internationalization
try:
appName = "markdown-preview"
fileDir = os.path.dirname(__file__)
Expand All @@ -39,15 +49,15 @@
# Can be used to add default HTML code (e.g. default header section with CSS).
htmlTemplate = "%s"

# Configuration.

# Default configuration.
markdownExternalBrowser = "0"
markdownPanel = "bottom"
markdownShortcut = "<Control><Alt>m"
markdownVersion = "extra"
markdownVisibility = "1"
markdownVisibilityShortcut = "<Control><Alt>v"

# Load confguration from file
try:
import xdg.BaseDirectory
except ImportError:
Expand Down Expand Up @@ -84,95 +94,124 @@
with open(confFile, "w") as confFile:
parser.write(confFile)

class MarkdownPreviewPlugin(GObject.Object, Gedit.WindowActivatable):
__gtype_name__ = "MarkdownPreviewPlugin"
#################################
# MarkdownPreviewAppActivatable #
#################################

class MarkdownPreviewAppActivatable(GObject.Object, Gedit.AppActivatable):
app = GObject.property(type=Gedit.App)

def __init__(self):
GObject.Object.__init__(self)

def do_activate(self):
markdownPrevItem = Gio.MenuItem.new(_("Update Markdown Preview"), "win.MarkdownPreview")
toggleTabItem = Gio.MenuItem.new(_("Toggle Markdown Preview visibility"), "win.ToggleTab")

self.menu_ext = self.extend_menu("tools-section")

self.menu_ext.prepend_menu_item(markdownPrevItem)
self.menu_ext.prepend_menu_item(toggleTabItem)

self.app.add_accelerator(markdownShortcut, "win.MarkdownPreview", None);
self.app.add_accelerator(markdownVisibilityShortcut, "win.ToggleTab", None);

def do_deactivate(self):
self.menu_ext = None

####################################
# MarkdownPreviewWindowActivatable #
####################################

class MarkdownPreviewWindowActivatable(GObject.Object, Gedit.WindowActivatable):
window = GObject.property(type=Gedit.Window)
markdownPrevAction = None
toogleTabAction = None
currentUri = ""
overLinkUrl = ""

def __init__(self):
GObject.Object.__init__(self)

def do_activate(self):
self.markdownPrevAction = Gio.SimpleAction.new("MarkdownPreview",None)
self.toggleTabAction = Gio.SimpleAction.new_stateful("ToggleTab",None, GLib.Variant.new_boolean(markdownVisibility != 0))

self.markdownPrevAction.connect('activate', lambda x, y: self.updatePreview(y, False))
self.toggleTabAction.connect('change-state', self.toggleTab)

self.window.add_action(self.markdownPrevAction)
self.window.add_action(self.toggleTabAction)

self.scrolledWindow = Gtk.ScrolledWindow()
self.scrolledWindow.set_property("hscrollbar-policy", Gtk.PolicyType.AUTOMATIC)
self.scrolledWindow.set_property("vscrollbar-policy", Gtk.PolicyType.AUTOMATIC)
self.scrolledWindow.set_property("shadow-type", Gtk.ShadowType.IN)

self.htmlView = WebKit.WebView()
self.htmlView.connect("hovering-over-link", self.onHoveringOverLinkCb)
self.htmlView.connect("navigation-policy-decision-requested",
self.onNavigationPolicyDecisionRequestedCb)
self.htmlView.connect("populate-popup", self.onPopulatePopupCb)

self.htmlView.load_string((htmlTemplate % ("", )), "text/html", "utf-8", "file:///")

self.scrolledWindow.add(self.htmlView)
self.scrolledWindow.show_all()

if markdownVisibility == "1":
self.addMarkdownPreviewTab()

self.addMenuItems()


def do_deactivate(self):
# Remove menu items.
manager = self.window.get_ui_manager()
manager.remove_ui(self.uiId)
manager.remove_action_group(self.actionGroup1)
manager.remove_action_group(self.actionGroup2)
self.window.remove_action("MarkdownPreview")
self.window.remove_action("ToggleTab")
self.markdownPrevAction = None
self.toggleTabAction = None

# Remove Markdown Preview from the panel.
self.removeMarkdownPreviewTab()

def do_update_state(self):
self.actionGroup1.set_sensitive(self.window.get_active_document() != None)
if self.markdownPrevAction is not None:
self.markdownPrevAction.set_enabled(self.window.get_active_document() is not None)
if self.toggleTabAction is not None:
self.toggleTabAction.set_enabled(self.window.get_active_document() is not None)

def addMarkdownPreviewTab(self):
if markdownPanel == "side":
panel = self.window.get_side_panel()
stack = self.window.get_side_panel()
else:
panel = self.window.get_bottom_panel()

image = Gtk.Image()
image.set_from_icon_name("gnome-mime-text-html", Gtk.IconSize.MENU)
stack = self.window.get_bottom_panel()

stack.connect("hide",self.onStackClose);
stack.add_titled(self.scrolledWindow, "MarkdownPreview", _("Markdown Preview"))
stack.show()
stack.set_visible_child(self.scrolledWindow)

def removeMarkdownPreviewTab(self):
if markdownPanel == "side":
stack = self.window.get_side_panel()
else:
stack = self.window.get_bottom_panel()

panel.add_item(self.scrolledWindow, "MarkdownPreview", _("Markdown Preview"), image)
panel.show()
panel.activate_item(self.scrolledWindow)

def addMenuItems(self):
manager = self.window.get_ui_manager()

self.actionGroup1 = Gtk.ActionGroup("UpdateMarkdownPreview")
action = ("MarkdownPreview",
None,
_("Update Markdown Preview"),
markdownShortcut,
_("Preview in HTML of the current document or the selection"),
lambda x, y: self.updatePreview(y, False))
self.actionGroup1.add_actions([action], self.window)
manager.insert_action_group(self.actionGroup1, -1)

self.actionGroup2 = Gtk.ActionGroup("ToggleTab")
action = ("ToggleTab",
None,
_("Toggle Markdown Preview visibility"),
markdownVisibilityShortcut,
_("Display or hide the Markdown Preview panel tab"),
lambda x, y: self.toggleTab())
self.actionGroup2.add_actions([action], self.window)
manager.insert_action_group(self.actionGroup2, -1)

self.uiId = manager.new_merge_id()

manager.add_ui(self.uiId, "/MenuBar/ToolsMenu/ToolsOps_4",
"MarkdownPreview", "MarkdownPreview",
Gtk.UIManagerItemType.MENUITEM, True)

manager.add_ui(self.uiId, "/MenuBar/ToolsMenu/ToolsOps_4",
"ToggleTab", "ToggleTab",
Gtk.UIManagerItemType.MENUITEM, False)
stack.remove(self.scrolledWindow)

def onStackClose(self, nothing):
if self.toggleTabAction is not None:
self.toggleTabAction.set_state(GLib.Variant.new_boolean(False))

def toggleTab(self, action, state):
action.set_state(state)

if markdownPanel == "side":
stack = self.window.get_side_panel()
else:
stack = self.window.get_bottom_panel()

if not state:
stack.hide()
else:
stack.show()

def copyCurrentUrl(self):
self.clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
self.clipboard.set_text(self.currentUri, -1)
Expand Down Expand Up @@ -341,25 +380,6 @@ def onPopulatePopupCb(self, view, menu):

menu.show_all()

def removeMarkdownPreviewTab(self):
if markdownPanel == "side":
panel = self.window.get_side_panel()
else:
panel = self.window.get_bottom_panel()

panel.remove_item(self.scrolledWindow)

def toggleTab(self):
if markdownPanel == "side":
panel = self.window.get_side_panel()
else:
panel = self.window.get_bottom_panel()

if panel.activate_item(self.scrolledWindow):
self.removeMarkdownPreviewTab()
else:
self.addMarkdownPreviewTab()

def updatePreview(self, window, clear):
view = self.window.get_active_view()

Expand Down Expand Up @@ -391,17 +411,6 @@ def updatePreview(self, window, clear):
htmlDoc.load_string(html, "text/html", "utf-8", "file:///")

self.scrolledWindow.set_placement(placement)

if markdownPanel == "side":
panel = self.window.get_side_panel()
else:
panel = self.window.get_bottom_panel()

panel.show()

if not panel.activate_item(self.scrolledWindow):
self.addMarkdownPreviewTab()
panel.activate_item(self.scrolledWindow)

def urlTooltipVisible(self):
if hasattr(self, "urlTooltip") and self.urlTooltip.get_property("visible"):
Expand Down