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Code Issues Projects Releases Wiki Activity

ToC Editor: Allow searching to find a location quickly when browsing through the book to select a location for a ToC item

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Kovid Goyal 2013-03-25 11:57:04 +05:30
parent e0246c5357
commit 4e655fa8cc
1 changed files with 55 additions and 4 deletions
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59
src/calibre/gui2/toc/location.py
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@ -11,10 +11,11 @@
from PyQt4.Qt import (QWidget, QGridLayout, QListWidget, QSize, Qt, QUrl,
pyqtSlot, pyqtSignal, QVBoxLayout, QFrame, QLabel,
QLineEdit, QTimer)
QLineEdit, QTimer, QPushButton, QIcon)
from PyQt4.QtWebKit import QWebView, QWebPage, QWebElement
from calibre.ebooks.oeb.display.webview import load_html
from calibre.gui2 import error_dialog, question_dialog
from calibre.utils.logging import default_log
class Page(QWebPage): # {{{
@ -115,16 +116,26 @@ def __init__(self, parent):
self.dest_list = dl = QListWidget(self)
dl.setMinimumWidth(250)
dl.currentItemChanged.connect(self.current_changed)
l.addWidget(dl, 1, 0)
l.addWidget(dl, 1, 0, 2, 1)
self.view = WebView(self)
self.view.elem_clicked.connect(self.elem_clicked)
l.addWidget(self.view, 1, 1)
l.addWidget(self.view, 1, 1, 1, 3)
self.f = f = QFrame()
f.setFrameShape(f.StyledPanel)
f.setMinimumWidth(250)
l.addWidget(f, 1, 2)
l.addWidget(f, 1, 4, 2, 1)
self.search_text = s = QLineEdit(self)
s.setPlaceholderText(_('Search for text...'))
l.addWidget(s, 2, 1, 1, 1)
self.ns_button = b = QPushButton(QIcon(I('arrow-down.png')), _('Find &next'), self)
b.clicked.connect(self.find_next)
l.addWidget(b, 2, 2, 1, 1)
self.ps_button = b = QPushButton(QIcon(I('arrow-up.png')), _('Find &previous'), self)
l.addWidget(b, 2, 3, 1, 1)
b.clicked.connect(self.find_previous)
l.setRowStretch(1, 10)
l = f.l = QVBoxLayout()
f.setLayout(l)
@ -156,6 +167,42 @@ def __init__(self, parent):
l.addStretch()
def keyPressEvent(self, ev):
if ev.key() in (Qt.Key_Return, Qt.Key_Enter) and self.search_text.hasFocus():
# Prevent pressing enter in the search box from triggering the dialog's accept() method
ev.accept()
return
return super(ItemEdit, self).keyPressEvent(ev)
def find(self, forwards=True):
text = unicode(self.search_text.text()).strip()
flags = QWebPage.FindFlags(0) if forwards else QWebPage.FindBackward
d = self.dest_list
if d.count() == 1:
flags |= QWebPage.FindWrapsAroundDocument
if not self.view.findText(text, flags) and text:
if d.count() == 1:
return error_dialog(self, _('No match found'),
_('No match found for: %s')%text, show=True)
delta = 1 if forwards else -1
current = unicode(d.currentItem().data(Qt.DisplayRole).toString())
next_index = (d.currentRow() + delta)%d.count()
next = unicode(d.item(next_index).data(Qt.DisplayRole).toString())
msg = '<p>'+_('No matches for %(text)s found in the current file [%(current)s].'
' Do you want to search in the %(which)s file [%(next)s]?')
msg = msg%dict(text=text, current=current, next=next,
which=_('next') if forwards else _('previous'))
if question_dialog(self, _('No match found'), msg):
self.pending_search = self.find_next if forwards else self.find_previous
d.setCurrentRow(next_index)
def find_next(self):
return self.find()
def find_previous(self):
return self.find(forwards=False)
def load(self, container):
self.container = container
spine_names = [container.abspath_to_name(p) for p in
@ -175,6 +222,10 @@ def current_changed(self, item):
self.view.load_js()
self.dest_label.setText(self.base_msg + '<br>' + _('File:') + ' ' +
name + '<br>' + _('Top of the file'))
if hasattr(self, 'pending_search'):
f = self.pending_search
del self.pending_search
f()
def __call__(self, item, where):
self.current_item, self.current_where = item, where