Mercurial > libervia-web

annotate libervia/web/pages/_browser/jid_search.py @ 1612:ebd538cb26cb

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server, pages (files/view): use new `use_local_shared_tmp` option.
author Goffi <goffi@goffi.org>
date Wed, 12 Jun 2024 23:11:08 +0200
parents 4a9679369856
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import json
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2 from urllib.parse import quote, urljoin
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3
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4 from bridge import AsyncBridge as Bridge
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5 from browser import aio, console as log, window
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6 from cache import cache
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7 from template import Template
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8 import jid
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9
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10 log.warning = log.warn
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11 profile = window.profile or ""
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12 bridge = Bridge()
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13
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14 class JidSearch:
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15
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16 def __init__(
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17 self,
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18 search_elt,
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19 container_elt=None,
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20 filter_cb=None,
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21 empty_cb=None,
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22 get_url=None,
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23 click_cb=None,
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24 options: dict|None = None,
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25 submit_filter: bool = True,
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26 template: str = "components/search_item.html",
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27 allow_multiple_selection: bool = False,
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28 selected_item_class: str = 'is-selected-search_item',
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29 selection_state_callback=None
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30 ) -> None:
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31 """Initialize the JidSearch instance
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32
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33 @param search_elt: The HTML <input> element for search
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34 @param container_elt: The HTML container to display the search results
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35 @param filter_cb: The callback to filter the search results
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36 @param empty_cb: The callback when the search box is empty
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37 @param get_url: The function to get URL for each entity in the search result
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38 @param click_cb: The function to handle the click event on each entity in the
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39 search result
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40 @param options: extra options. Key can be:
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41 no_group(bool)
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42 True if groups should not be visible
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43 extra_cb(dict)
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44 a map from CSS selector to callback, the callback will be binded to the
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45 "click" event, and will be called with the ``item`` as argument
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46 @param submit_filter: if True, only submit when a seemingly valid JID is entered
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47 @param template: template to use
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48 @param allow_multiple_selection: If True, allows multiple search entities to be
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49 selected with checkboxes.
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50 @param selected_item_class: The CSS class to apply when an item is selected. This
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51 class should define distinctive styles to highlight selected items.
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52 @param selection_state_callback: A callback function to execute when selection
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53 state changes. Takes one boolean parameter indicating if items are selected.
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54 """
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55 self.search_item_tpl = Template(template)
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56 self.search_elt = search_elt
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57 self.search_elt.bind("input", self.on_search_input)
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58 if submit_filter:
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59 try:
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60 form_elt = self.search_elt.closest("form")
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61 except KeyError:
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62 log.debug("No parent <form> found, can't apply submit filter.")
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63 else:
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64 form_elt.bind("submit", self.on_form_submit)
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65 self.last_query = None
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66 self.current_query = None
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67 self.container_elt = container_elt
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68 if options is None:
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69 options = {}
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70 self.options = options
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71
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72 if click_cb is not None and get_url is None:
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73 self.get_url = lambda _: "#"
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74 else:
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75 self.get_url = get_url if get_url is not None else self.default_get_url
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76 self.click_cb = click_cb
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77
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78 if filter_cb is None:
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79 if container_elt is None:
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80 raise ValueError("container_elt must be set if filter_cb is not set")
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81 filter_cb = self.show_items
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82 self.filter_cb = filter_cb
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83
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84 self.empty_cb = empty_cb or self.on_empty_search
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85
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86 self.allow_multiple_selection = allow_multiple_selection
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87 self.selected_item_class = selected_item_class
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88 if selection_state_callback is None:
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89 selection_state_callback = self.default_selection_state_callback
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90 self.selection_state_callback = selection_state_callback
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91 self._selected_jids = set()
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92 self.has_selection = False
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93 self.update_selection_state()
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94
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95 current_search = search_elt.value.strip() or None
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96 if not current_search:
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97 aio.run(self.empty_cb(self))
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98 else:
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99 aio.run(self.perform_search(current_search))
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100
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101 @property
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102 def selected_jids(self) -> list[str]:
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103 return list(self._selected_jids)
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104
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105 def default_get_url(self, item):
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106 """Default method to get the URL for a given entity
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107
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108 @param item: The item (entity) for which the URL is required
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109 """
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110 return urljoin(f"{window.location.href}/", quote(item["entity"]))
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111
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112 def default_selection_state_callback(self, has_selection: bool) -> None:
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113 """Default callback to handle selection state changes.
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114
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115 @param has_selection: Boolean indicating if any items are currently selected.
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116 """
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117 if has_selection:
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118 self.container_elt.classList.add('has-selected-items')
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119 else:
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120 self.container_elt.classList.remove('has-selected-items')
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121
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122 def update_selection_state(self):
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123 """
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124 Checks the selection state and triggers the callback accordingly.
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125 """
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126 current_has_selection = bool(self._selected_jids)
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127 if current_has_selection != self.has_selection:
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128 self.has_selection = current_has_selection
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129 self.selection_state_callback(self.has_selection)
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130
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131 def show_items(self, items):
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132 """Display the search items in the specified container
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133
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134 @param items: The list of search items to be displayed
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135 """
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136 assert self.container_elt is not None
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137 self.container_elt.clear()
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138 for item in items:
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139 search_item_elt = self.search_item_tpl.get_elt({
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140 "url": self.get_url(item),
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141 "item": item,
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142 "multiple_selection": self.allow_multiple_selection,
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143 "identities": cache.identities,
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144 "options": self.options,
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145 })
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146
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147 if self.allow_multiple_selection:
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148 # Include a checkbox and manage its state
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149 checkbox = search_item_elt.select('.search-item__checkbox')[0]
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150 checkbox.checked = item['entity'] in self._selected_jids
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151 checkbox.bind('change', lambda evt, item=item: self.on_checkbox_change(evt, item))
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152 checkbox.bind('click', lambda evt: evt.stopPropagation())
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153
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154 # Highlight item if selected
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155 if item['entity'] in self._selected_jids:
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156 card = search_item_elt.select('.card')[0]
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157 card.classList.add(self.selected_item_class)
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158
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159 if self.click_cb is not None:
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160 # Make the whole item clickable and perform the click callback function
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161 search_item_elt.bind('click', lambda evt, item=item: self.click_cb(evt, item))
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162
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163 # Now append the whole element to the container
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164 self.container_elt <= search_item_elt
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165
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166 # Apply extra callbacks if defined in options
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167 extra_cb = self.options.get("extra_cb")
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168 if extra_cb:
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169 for selector, cb in extra_cb.items():
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170 for elt in search_item_elt.select(selector):
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171 elt.bind("click", lambda evt, item=item, cb=cb: cb(evt, item))
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172
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173 def on_search_input(self, evt):
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174 """Handle the 'input' event for the search element
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175
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176 @param evt: The event object
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177 """
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178 evt.stopPropagation()
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179 evt.preventDefault()
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180 search_text = evt.target.value.strip()
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181 if not search_text:
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182 aio.run(self.empty_cb(self))
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183 elif len(search_text) > 2:
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184 aio.run(self.perform_search(search_text))
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185
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186 def on_form_submit(self, evt):
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187 search_text = self.search_elt.value.strip()
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188 search_jid = jid.JID(search_text)
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189 if not search_jid.is_valid():
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190 evt.stopPropagation()
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191 evt.preventDefault()
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192
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193 async def perform_search(self, query):
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194 if self.current_query is None:
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195 log.debug(f"performing search: {query=}")
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196 self.current_query = query
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197 jid_items = json.loads(await bridge.jid_search(query, ""))
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198 await cache.fill_identities(i["entity"] for i in jid_items)
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199
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200 self.last_query = query
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201 self.current_query = None
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202 current_query = self.search_elt.value.strip()
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203
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204 if current_query != query:
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205 await self.perform_search(current_query)
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206 return
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207
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208 # Include selected items in the search result regardless of the filter
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209 jid_items_set = {item['entity']: item for item in jid_items}
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210 for jid in self._selected_jids:
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211 if jid not in jid_items_set:
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212 jid_items_set[jid] = {"entity": jid}
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213
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214 # Union of search results and manually added selected items
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215 filtered_items = [
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216 jid_items_set[jid] for jid in jid_items_set
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217 ]
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218
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219 self.filter_cb(filtered_items)
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220
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221 async def on_empty_search(self, jid_search):
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222 """Handle the situation when the search box is empty"""
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223 assert self.container_elt is not None
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224 items = [
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225 {
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226 "entity": jid_,
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227 "groups": data["groups"]
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228 }
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229 for jid_, data in cache.roster.items()
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230 ]
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231 self.show_items(items)
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232
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233 def on_checkbox_change(self, evt, item):
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234 log.debug(f"checkbox_change {evt.target=} {item=}")
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235 evt.stopPropagation()
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236 cb = evt.target
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237
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238 if cb.checked:
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239 self._selected_jids.add(item['entity'])
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240 cb.closest('.card').classList.add(self.selected_item_class)
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241 else:
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242 self._selected_jids.remove(item['entity'])
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243 cb.closest('.card').classList.remove(self.selected_item_class)
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244
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245 self.update_selection_state()