annotate libervia/pages/_browser/slideshow.py @ 1392:e11a71a08a48

pages: fix `getPostedData` when a single value is requested and a list is used
author Goffi <goffi@goffi.org>
date Sat, 27 Feb 2021 21:03:08 +0100
parents 3c5054a22e7a
children ff5005783443
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1 from browser import document, window, html, timer, DOMNode
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2 from js_modules.swiper import Swiper
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3 from template import Template
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4
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5
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6 class SlideShow:
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7
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8 def __init__(self):
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9 self.swiper = None
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10 slideshow_tpl = Template('photo/slideshow.html')
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11 self.slideshow_elt = slideshow_tpl.get_elt()
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12 self.comments_count_elt = self.slideshow_elt.select_one('.comments__count')
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13 self.wrapper = self.slideshow_elt.select_one(".swiper-wrapper")
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14 self.hidden_elts = {}
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15 self.control_hidden = False
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16 self.click_timer = None
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17 self._class_to_remove = set()
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18 self._exit_callback = None
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19
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20 @property
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21 def current_slide(self):
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22 if self.swiper is None:
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23 return None
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24 try:
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25 return DOMNode(self.swiper.slides[self.swiper.realIndex])
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26 # getting missing item in JS arrays returns KeyError
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27 except KeyError:
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28 return None
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29
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30 @property
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31 def current_item(self):
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32 """item attached to the current slide, if any"""
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33 current = self.current_slide
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34 if current is None:
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35 return None
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36 try:
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37 return current._item
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38 except AttributeError:
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39 return None
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40
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41 @property
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42 def current_options(self):
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43 """options attached to the current slide, if any"""
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44 current = self.current_slide
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45 if current is None:
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46 return None
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47 try:
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48 return current._options
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49 except AttributeError:
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50 return None
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51
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52 @property
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53 def index(self):
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54 if self.swiper is None:
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55 return None
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56 return self.swiper.realIndex
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57
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58 @index.setter
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59 def index(self, idx):
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60 if self.swiper is not None:
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61 self.swiper.slideTo(idx, 0)
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62
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63 def attach(self):
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64 # we hide other elts to avoid scrolling issues
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65 for elt in document.body.children:
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66 self.hidden_elts[elt] = elt.style.display
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67 elt.style.display = "none"
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68 document.body <= self.slideshow_elt
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69 self.swiper = Swiper.new(
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70 ".swiper-container",
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71 {
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72 # default 0 value results in lot of accidental swipes, notably when media
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73 # player is used
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74 "threshold": 10,
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75 "pagination": {
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76 "el": ".swiper-pagination",
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77 },
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78 "navigation": {
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79 "nextEl": ".swiper-button-next",
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80 "prevEl": ".swiper-button-prev",
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81 },
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82 "scrollbar": {
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83 "el": ".swiper-scrollbar",
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84 },
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85 "grabCursor": True,
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86 "keyboard": {
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87 "enabled": True,
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88 "onlyInViewport": False,
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89 },
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90 "mousewheel": True,
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91 "zoom": {
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92 "maxRatio": 15,
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93 "toggle": False,
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94 },
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95 }
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96 )
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97 window.addEventListener("keydown", self.on_key_down, True)
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98 self.slideshow_elt.select_one(".click_to_close").bind("click", self.on_close)
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99 self.slideshow_elt.select_one(".click_to_comment").bind("click", self.on_comment)
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100
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101 # we don't use swiper.on for "click" and "dblclick" (or "doubleTap" in swiper
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102 # terms) because it breaks event propagation management, which cause trouble with
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103 # media player
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104 self.slideshow_elt.bind("click", self.on_click)
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105 self.slideshow_elt.bind("dblclick", self.on_dblclick)
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106 self.swiper.on("slideChange", self.on_slide_change)
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107 self.on_slide_change(self.swiper)
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108 self.fullscreen(True)
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109
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110 def add_slide(self, elt, item_data=None, options=None):
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111 slide_elt = html.DIV(Class="swiper-slide")
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112 zoom_cont_elt = html.DIV(Class="swiper-zoom-container")
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113 slide_elt <= zoom_cont_elt
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114 zoom_cont_elt <= elt
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115 slide_elt._item = item_data
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116 if options is not None:
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117 slide_elt._options = options
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118 self.swiper.appendSlide([slide_elt])
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119 self.swiper.update()
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120
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121 def quit(self):
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122 # we unhide
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123 for elt, display in self.hidden_elts.items():
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124 elt.style.display = display
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125 self.hidden_elts.clear()
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126 self.slideshow_elt.remove()
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127 self.slideshow_elt = None
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128 self.swiper.destroy(True, True)
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129 self.swiper = None
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130
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131 def fullscreen(self, active=None):
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132 """Activate/desactivate fullscreen
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133
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134 @param acvite: can be:
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135 - True to activate
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136 - False to desactivate
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137 - Auto to switch fullscreen mode
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138 """
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
139 try:
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
140 fullscreen_elt = document.fullscreenElement
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
141 request_fullscreen = self.slideshow_elt.requestFullscreen
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
142 except AttributeError:
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
143 print("fullscreen is not available on this browser")
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
144 else:
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
145 if active is None:
1334
5ff6e187084f browser (slideshow): fixed `active` value detection for fullscreen
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parents: 1327
diff changeset
146 active = fullscreen_elt == None
1311
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
147 if active:
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
148 request_fullscreen()
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
149 else:
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
150 try:
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
151 document.exitFullscreen()
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
152 except AttributeError:
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
parents: 1310
diff changeset
153 print("exitFullscreen not available on this browser")
9948598e7ec0 browser (slideshow): show slideshow in fullscreen
Goffi <goffi@goffi.org>
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154
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
155 def on_key_down(self, evt):
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156 if evt.key == 'Escape':
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
157 self.quit()
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 else:
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 return
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160 evt.preventDefault()
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
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161
1327
e35de70f5295 browser: updated swiper and use a limit on version
Goffi <goffi@goffi.org>
parents: 1320
diff changeset
162 def on_slide_change(self, swiper):
1342
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
163 if self._exit_callback is not None:
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
164 self._exit_callback()
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
165 self._exit_callback = None
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 item = self.current_item
1342
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
167 if item is not None:
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
168 comments_count = item.get('comments_count')
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
169 self.comments_count_elt.text = comments_count or ''
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
170
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
171 for cls in self._class_to_remove:
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
172 self.slideshow_elt.classList.remove(cls)
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
173
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
174 self._class_to_remove.clear()
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
175
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
176 options = self.current_options
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
177 if options is not None:
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
178 for flag in options.get('flags', []):
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
179 cls = f"flag_{flag.lower()}"
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
180 self.slideshow_elt.classList.add(cls)
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
181 self._class_to_remove.add(cls)
1df0d1b28b83 browser (slideshow): options can now be attached to a slide:
Goffi <goffi@goffi.org>
parents: 1341
diff changeset
182 self._exit_callback = options.get("exit_callback", None)
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183
1310
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
184 def toggle_hide_controls(self, evt):
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
185 self.click_timer = None
1358
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
186 # we don't want to hide controls when a control is clicked
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
187 # so we check all ancestors if we are not in a control
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
188 current = evt.target
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
189 while current and current != self.slideshow_elt:
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
190 print(f"current: {current}")
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
191 if 'slideshow_control' in current.classList:
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
192 return
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
193 current = current.parent
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
194 for elt in self.slideshow_elt.select('.slideshow_control'):
1310
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
195 elt.style.display = '' if self.control_hidden else 'none'
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
196 self.control_hidden = not self.control_hidden
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
197
1341
a8bc1ee455ae browser (slideshow): use standard click/dblclick instead of swiper equivalents:
Goffi <goffi@goffi.org>
parents: 1340
diff changeset
198 def on_click(self, evt):
a8bc1ee455ae browser (slideshow): use standard click/dblclick instead of swiper equivalents:
Goffi <goffi@goffi.org>
parents: 1340
diff changeset
199 evt.stopPropagation()
a8bc1ee455ae browser (slideshow): use standard click/dblclick instead of swiper equivalents:
Goffi <goffi@goffi.org>
parents: 1340
diff changeset
200 evt.preventDefault()
1310
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
201 # we use a timer so double tap can cancel the click
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
202 # this avoid double tap side effect
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
203 if self.click_timer is None:
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
204 self.click_timer = timer.set_timeout(
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
205 lambda: self.toggle_hide_controls(evt), 300)
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
206
1341
a8bc1ee455ae browser (slideshow): use standard click/dblclick instead of swiper equivalents:
Goffi <goffi@goffi.org>
parents: 1340
diff changeset
207 def on_dblclick(self, evt):
1312
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
208 evt.stopPropagation()
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
209 evt.preventDefault()
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
210 if self.click_timer is not None:
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
211 timer.clear_timeout(self.click_timer)
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
212 self.click_timer = None
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
213 if self.swiper.zoom.scale != 1:
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
214 self.swiper.zoom.toggle()
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
215 else:
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
216 # "in" is reserved in Python, so we call it using dict syntax
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
217 self.swiper.zoom["in"]()
39a87d9099c4 browser (slideshow): slides can now be zoomed:
Goffi <goffi@goffi.org>
parents: 1311
diff changeset
218
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 def on_close(self, evt):
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 evt.stopPropagation()
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 evt.preventDefault()
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 self.quit()
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 def on_comment_close(self, evt):
1358
3c5054a22e7a browser (slideshow): better handling of controls hiding:
Goffi <goffi@goffi.org>
parents: 1357
diff changeset
225 evt.stopPropagation()
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 side_panel = self.comments_panel_elt.select_one('.comments_side_panel')
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
227 side_panel.classList.remove('open')
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 side_panel.bind("transitionend", lambda evt: self.comments_panel_elt.remove())
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 def on_comments_panel_click(self, evt):
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 # we stop stop propagation to avoid the closing of the panel
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 evt.stopPropagation()
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 def on_comment(self, evt):
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 item = self.current_item
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 if item is None:
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 return
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 comments_panel_tpl = Template('blog/comments_panel.html')
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 try:
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 comments = item['comments']['items']
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 except KeyError:
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
242 comments = []
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
243 self.comments_panel_elt = comments_panel_tpl.get_elt({
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
244 "comments": comments,
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
245 "comments_service": item['comments_service'],
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 "comments_node": item['comments_node'],
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
247
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 })
1309
9344ca3b21a6 browser (slideshow): fixed scrolling issue with comment panel:
Goffi <goffi@goffi.org>
parents: 1307
diff changeset
249 self.slideshow_elt <= self.comments_panel_elt
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
250 side_panel = self.comments_panel_elt.select_one('.comments_side_panel')
1310
9e356f8eb62c browser (slideshow): (un)hide controls on single click:
Goffi <goffi@goffi.org>
parents: 1309
diff changeset
251 timer.set_timeout(lambda: side_panel.classList.add("open"), 0)
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
252 for close_elt in self.comments_panel_elt.select('.click_to_close'):
1320
0cbf86b1dcca browser (photos/album): invitation manager first draft.
Goffi <goffi@goffi.org>
parents: 1312
diff changeset
253 close_elt.bind("click", self.on_comment_close)
1307
0a6698714557 browser: `slideshow` module implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
254 side_panel.bind("click", self.on_comments_panel_click)