Add history to the search bar widget

src/pyj/book_list/search.pyj

@@ -3,6 +3,7 @@
 from __python__ import hash_literals
 
 from ajax import ajax
+from complete import create_search_bar
 from dom import clear, set_css, build_rule, svgicon, add_extra_css
 from elementmaker import E
 from gettext import gettext as _
@@ -56,15 +57,10 @@ class SearchPanel:
 
         # Build search input
         search_container = div.firstChild
-        search_button = create_button(_('Search'), icon='search', action=self.execute_search.bind(self), tooltip=_('Do the search'))
+        search_button = create_button(_('Search'), icon='search', tooltip=_('Do the search'))
-        search_container.appendChild(E.div(style="display: flex; width: 100%;",
+        search_bar = create_search_bar(self.execute_search.bind(self), 'search-books', tooltip=_('Search for books'), placeholder=_('Enter the search query'), button=search_button)
-            E.input(
+        set_css(search_bar, flex_grow='10', margin_right='0.5em')
-                type='search', name='search-books',
+        search_container.appendChild(E.div(style="display: flex; width: 100%;", search_bar, search_button))
-                title=_('Search for books'), placeholder=_('Enter the search query'),
-                style="flex-grow: 10; margin-right: 0.5em", onkeydown=self.on_input_keydown.bind(self),
-            ),
-            search_button
-        ))
         search_container.appendChild(E.ul(class_='search-items'))
 
         # Build loading panel
@@ -80,12 +76,6 @@ class SearchPanel:
         self.node_id_map = {}
         self.active_nodes = {}
 
-    def on_input_keydown(self, event):
-        if event.keyCode is 13:  # Enter
-            event.preventDefault(), event.stopPropagation()
-            event.target.nextSibling.focus()
-            self.execute_search()
-
     def init(self):
         tb = self.search_control
         # We dont focus the search box because on mobile that will cause the

src/pyj/complete.pyj

@@ -5,7 +5,9 @@ from __python__ import hash_literals, bound_methods
 from dom import ensure_id
 from elementmaker import E
 from keycodes import get_key
+from session import local_storage
 from popups import CompletionPopup
+from utils import uniq
 
 class EditWithComplete:
 
@@ -63,14 +65,30 @@ class EditWithComplete:
         self.completion_popup.set_all_items(items)
 
 
-def create_search_bar(action, name, tooltip=None, placeholder=None, button=None):
+def create_search_bar(action, name, tooltip=None, placeholder=None, button=None, history_size=100):
-
+    parent = E.div(style="display:flex")
-    parent = E.div()
     ewc = EditWithComplete(name, parent=parent, tooltip=tooltip, placeholder=placeholder, input_type='search')
+    parent.lastChild.style.width = '100%'
+    history_name = 'search-bar-history-' + name
+
+    def update_completion_items():
+        items = local_storage().get(history_name)
+        if items?.length:
+            ewc.set_all_items(items)
+    update_completion_items()
 
     def trigger():
+        text = ewc.text_input.value
         ewc.hide_completion_popup()
-        action()
+        action(text)
+        if text and text.strip():
+            items = local_storage().get(history_name) or v'[]'
+            idx = items.indexOf(text)
+            if idx > -1:
+                items = items.splice(idx, 1)
+            items.unshift(text)
+            local_storage().set(history_name, uniq(items[:history_size]))
+            update_completion_items()
     ewc.onenterkey = trigger
 
     if button:
@@ -81,6 +99,8 @@ def create_search_bar(action, name, tooltip=None, placeholder=None, button=None)
 # }}}
 
 def main(container):
-    ewc = EditWithComplete(parent=container, placeholder='Testing edit with complete')
+    container.appendChild(create_search_bar(print, 'test-search-bar', placeholder='Testing search bar'))
-    ewc.set_all_items('a a1 a11 a12 a13 b b1 b2 b3'.split(' '))
+    container.firstChild.lastChild.focus()
-    ewc.text_input.focus()
+    # ewc = EditWithComplete(parent=container, placeholder='Testing edit with complete')
+    # ewc.set_all_items('a a1 a11 a12 a13 b b1 b2 b3'.split(' '))
+    # ewc.text_input.focus()

src/pyj/popups.pyj

@@ -48,7 +48,7 @@ def create_popup(parent, idprefix):
     div = E.div(id=pid, style='display: none; position: absolute; z-index: {}'.format(POPUP_Z_INDEX))
     parent = parent or document.body
     parent.appendChild(div)
-    return pid
+    return div
 
 def show_popup(popup_id, associated_widget_ids=None):
     elem = document.getElementById(popup_id)
@@ -68,12 +68,12 @@ class CompletionPopup:
 
     def __init__(self, parent=None, max_items=25, onselect=None):
         self.max_items = max_items
-        self.container_id = create_popup(parent)
+        c = create_popup(parent)
+        set_css(c, user_select='none')
+        self.container_id = c.getAttribute('id')
         self.onselect = onselect
         self.items = []
         self.matches = []
-        c = self.container
-        set_css(c, user_select='none')
         c.appendChild(E.div(class_=self.CLASS))
         self.associated_widget_ids = set()
         self.current_query, self.is_upwards = '', False
@@ -88,7 +88,7 @@ class CompletionPopup:
         return self.container.style.display is not 'none'
 
     def set_all_items(self, items):
-        self.items = items
+        self.items = list(items)
         self.matches = []
         self.applied_query = ''
 
@@ -210,7 +210,7 @@ class CompletionPopup:
 
 add_extra_css(def():
     sel = 'div.' + CompletionPopup.CLASS
-    style = build_rule(sel, overflow='hidden', background_color=get_color('window-background'), border='solid 1px ' + get_color('window-foreground'))
+    style = build_rule(sel, overflow='hidden', text_align='left', background_color=get_color('window-background'), border='solid 1px ' + get_color('window-foreground'))
     sel += ' > div'
     style += build_rule(sel, cursor='pointer', padding='1ex 1rem', white_space='nowrap', text_overflow='ellipsis', overflow='hidden')
     sel += '.' + CompletionPopup.CURRENT_ITEM_CLASS

src/pyj/session.pyj

@@ -72,9 +72,8 @@ def get_session_storage():
 
 class SessionData:
 
-    global_prefix = 'calibre-'
+    def __init__(self, global_prefix=None):
-
+        self.global_prefix = global_prefix or 'calibre-session-'
-    def __init__(self):
         self.storage = get_session_storage()
         self.overflow_storage = {}
         self.has_overflow = False
@@ -115,6 +114,13 @@ class SessionData:
         self.overflow_storage = {}
         self.has_overflow = False
 
+_local_storage = None
+def local_storage():
+    nonlocal _local_storage
+    if not _local_storage:
+        _local_storage = SessionData('calibre-local-')
+    return _local_storage
+
 class UserSessionData(SessionData):
 
     def __init__(self, username, saved_data):

src/pyj/utils.pyj

@@ -131,6 +131,16 @@ def viewport_to_document(x, y, doc):
 def username_key(username):
     return ('u' if username else 'n') + username
 
+def uniq(vals):
+    # Remove all duplicates from vals, while preserving order
+    ans = v'[]'
+    seen = {}
+    for x in vals:
+        if not seen[x]:
+            seen[x] = True
+            ans.push(x)
+    return ans
+
 if __name__ is '__main__':
     print(fmt_sidx(10), fmt_sidx(1.2))
     print(list(map(human_readable, [1, 1024.0, 1025, 1024*1024*2.3])))