102 lines
3.9 KiB
Python
102 lines
3.9 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2018 Andy Stewart
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#
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# Author: Andy Stewart <lazycat.manatee@gmail.com>
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# Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from PyQt5.QtCore import QUrl
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from PyQt5.QtGui import QColor
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from core.webengine import BrowserBuffer
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from core.utils import interactive, message_to_emacs
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from pathlib import Path
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import os
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import random
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class AppBuffer(BrowserBuffer):
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def __init__(self, buffer_id, url, arguments):
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BrowserBuffer.__init__(self, buffer_id, url, arguments, False)
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self.index_file = os.path.join(os.path.dirname(__file__), "index.html")
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self.url = url
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self.parent_dir = os.path.abspath(os.path.join(url, os.pardir))
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self.image_name = os.path.basename(url)
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with open(self.index_file, "r") as f:
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html = f.read().replace("%1", os.path.join(os.path.dirname(__file__))).replace("%2", os.path.join("file://", url)).replace("%3", self.theme_background_color)
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self.buffer_widget.setHtml(html, QUrl("file://"))
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def load_image(self, url):
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self.url = url
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self.parent_dir = os.path.abspath(os.path.join(url, os.pardir))
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self.image_name = os.path.basename(url)
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load_image_js = "document.getElementById('image').setAttribute('src', '{0}?{1}');viewer.update();".format(
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os.path.join("file://", self.url).replace("\\", "/"),
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random.randint(1, 100000))
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self.buffer_widget.eval_js(load_image_js)
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def is_image_file(self, f):
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return Path(f).suffix[1:].lower() in ["jpg", "jpeg", "png", "bmp", "gif", "svg", "webp"]
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def get_same_dir_images(self):
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files = [f for f in os.listdir(self.parent_dir) if os.path.isfile(os.path.join(self.parent_dir, f))]
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images = list(filter(self.is_image_file, files))
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images.sort()
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return images
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def reload_image(self):
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self.load_image(os.path.join(self.parent_dir, self.image_name))
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def load_next_image(self):
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images = self.get_same_dir_images()
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if self.image_name in images:
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image_index = images.index(self.image_name)
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if image_index == len(images) - 1:
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image_index = 0
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else:
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image_index += 1
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self.image_name = images[image_index]
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self.load_image(os.path.join(self.parent_dir, self.image_name))
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self.change_title(self.image_name)
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def load_prev_image(self):
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images = self.get_same_dir_images()
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if self.image_name in images:
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image_index = images.index(self.image_name)
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if image_index == 0:
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image_index = len(images) - 1
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else:
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image_index -= 1
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self.image_name = images[image_index]
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self.load_image(os.path.join(self.parent_dir, self.image_name))
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self.change_title(self.image_name)
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@interactive
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def delete_current_image(self):
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self.send_input_message("Are you sure you want to delete {0}?".format(self.image_name), "delete_image", "yes-or-no")
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def handle_input_response(self, callback_tag, result_content):
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if callback_tag == "delete_image":
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image = self.url
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self.load_next_image()
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os.remove(image)
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message_to_emacs("Delete image {} success.".format(image))
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