mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-07-07 18:24:30 -04:00
Edit Book: Add a tool to easily insert hyperlinks (click the insert hyperlink button on the toolbar)
This commit is contained in:
Kovid Goyal
parent
240f164840
commit
a991c5e36d
@ -37,8 +37,8 @@ from calibre.gui2.tweak_book.toc import TOCEditor
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from calibre.gui2.tweak_book.editor import editor_from_syntax, syntax_from_mime
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from calibre.gui2.tweak_book.editor.insert_resource import get_resource_data, NewBook
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from calibre.gui2.tweak_book.preferences import Preferences
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from calibre.gui2.tweak_book.widgets import RationalizeFolders, MultiSplit, ImportForeign
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from calibre.gui2.tweak_book.widgets import QuickOpen
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from calibre.gui2.tweak_book.widgets import (
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RationalizeFolders, MultiSplit, ImportForeign, QuickOpen, InsertLink)
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_diff_dialogs = []
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@ -641,6 +641,11 @@ class Boss(QObject):
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chosen_name = chosen_image_is_external[0]
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href = current_container().name_to_href(chosen_name, edname)
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ed.insert_image(href)
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elif action[0] == 'insert_hyperlink':
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self.commit_all_editors_to_container()
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d = InsertLink(current_container(), edname, parent=self.gui)
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if d.exec_() == d.Accepted:
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ed.insert_hyperlink(d.href)
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else:
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ed.action_triggered(action)
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@ -12,6 +12,7 @@ from . import NullSmarts
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from PyQt4.Qt import QTextEdit
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from calibre import prepare_string_for_xml
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from calibre.gui2 import error_dialog
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get_offset = itemgetter(0)
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@ -128,6 +129,20 @@ def rename_tag(cursor, opening_tag, closing_tag, new_name, insert=False):
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cursor.insertText(text)
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cursor.endEditBlock()
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def ensure_not_within_tag_definition(cursor):
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''' Ensure the cursor is not inside a tag definition <>. Returns True iff the cursor was moved. '''
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block, offset = cursor.block(), cursor.positionInBlock()
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b, boundary = next_tag_boundary(block, offset, forward=False)
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if b is None:
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return False
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if boundary.is_start:
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# We are inside a tag
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block, boundary = next_tag_boundary(block, offset)
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if block is not None:
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cursor.setPosition(block.position() + boundary.offset + 1)
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return True
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return False
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class HTMLSmarts(NullSmarts):
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def get_extra_selections(self, editor):
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@ -180,4 +195,13 @@ class HTMLSmarts(NullSmarts):
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return error_dialog(editor, _('No found'), _(
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'No suitable block level tag was found to rename'), show=True)
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def insert_hyperlink(self, editor, target):
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c = editor.textCursor()
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if c.hasSelection():
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c.insertText('') # delete any existing selected text
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ensure_not_within_tag_definition(c)
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c.insertText('<a href="%s">' % prepare_string_for_xml(target, True))
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p = c.position()
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c.insertText('</a>')
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c.setPosition(p) # ensure cursor is positioned inside the newly created tag
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editor.setTextCursor(c)
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@ -602,6 +602,10 @@ class TextEdit(PlainTextEdit):
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c.setPosition(left + len(text), c.KeepAnchor)
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self.setTextCursor(c)
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def insert_hyperlink(self, target):
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if hasattr(self.smarts, 'insert_hyperlink'):
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self.smarts.insert_hyperlink(self, target)
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def keyPressEvent(self, ev):
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if ev.key() == Qt.Key_X and ev.modifiers() == Qt.AltModifier:
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if self.replace_possible_unicode_sequence():
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@ -56,6 +56,9 @@ def register_text_editor_actions(reg, palette):
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ac = reg('view-image', _('&Insert image'), ('insert_resource', 'image'), 'insert-image', (), _('Insert an image into the text'))
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ac.setToolTip(_('<h3>Insert image</h3>Insert an image into the text'))
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ac = reg('insert-link', _('Insert &hyperlink'), ('insert_hyperlink',), 'insert-hyperlink', (), _('Insert hyperlink'))
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ac.setToolTip(_('<h3>Insert hyperlink</h3>Insert a hyperlink into the text'))
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for i, name in enumerate(('h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'p')):
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text = ('&' + name) if name == 'p' else (name[0] + '&' + name[1])
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desc = _('Convert the paragraph to <%s>') % name
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@ -141,6 +144,9 @@ class Editor(QMainWindow):
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def insert_image(self, href):
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self.editor.insert_image(href)
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def insert_hyperlink(self, href):
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self.editor.insert_hyperlink(href)
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def undo(self):
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self.editor.undo()
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@ -195,6 +201,8 @@ class Editor(QMainWindow):
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b.addAction(actions['pretty-current'])
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if self.syntax in {'html', 'css'}:
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b.addAction(actions['insert-image'])
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if self.syntax == 'html':
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b.addAction(actions['insert-hyperlink'])
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if self.syntax == 'html':
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self.format_bar = b = self.addToolBar(_('Format text'))
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for x in ('bold', 'italic', 'underline', 'strikethrough', 'subscript', 'superscript', 'color', 'background-color'):
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@ -12,13 +12,18 @@ from itertools import izip
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from PyQt4.Qt import (
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QDialog, QDialogButtonBox, QGridLayout, QLabel, QLineEdit, QVBoxLayout,
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QFormLayout, QHBoxLayout, QToolButton, QIcon, QApplication, Qt, QWidget,
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QPoint, QSizePolicy, QPainter, QStaticText, pyqtSignal, QTextOption)
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QPoint, QSizePolicy, QPainter, QStaticText, pyqtSignal, QTextOption,
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QAbstractListModel, QModelIndex, QVariant, QStyledItemDelegate, QStyle,
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QListView, QTextDocument, QSize)
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from calibre import prepare_string_for_xml
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from calibre.gui2 import error_dialog, choose_files, choose_save_file
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from calibre.gui2 import error_dialog, choose_files, choose_save_file, NONE
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from calibre.gui2.tweak_book import tprefs
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from calibre.utils.icu import primary_sort_key
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from calibre.utils.matcher import get_char, Matcher
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ROOT = QModelIndex()
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class Dialog(QDialog):
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def __init__(self, title, name, parent=None):
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@ -230,6 +235,15 @@ class ImportForeign(Dialog): # {{{
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# Quick Open {{{
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def make_highlighted_text(emph, text, positions):
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positions = sorted(set(positions) - {-1}, reverse=True)
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text = prepare_string_for_xml(text)
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for p in positions:
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ch = get_char(text, p)
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text = '%s<span style="%s">%s</span>%s' % (text[:p], emph, ch, text[p+len(ch):])
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return text
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class Results(QWidget):
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EMPH = "color:magenta; font-weight:bold"
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@ -310,12 +324,7 @@ class Results(QWidget):
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self.update()
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def make_text(self, text, positions):
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positions = sorted(set(positions) - {-1}, reverse=True)
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text = prepare_string_for_xml(text)
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for p in positions:
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ch = get_char(text, p)
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text = '%s<span style="%s">%s</span>%s' % (text[:p], self.EMPH, ch, text[p+len(ch):])
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text = QStaticText(text)
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text = QStaticText(make_highlighted_text(self.EMPH, text, positions))
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text.setTextOption(self.text_option)
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text.setTextFormat(Qt.RichText)
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return text
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@ -411,7 +420,7 @@ class QuickOpen(Dialog):
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text = unicode(text).strip()
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self.help_label.setVisible(False)
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self.results.setVisible(True)
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matches = self.matcher(text)
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matches = self.matcher(text, limit=100)
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self.results(matches)
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self.matches = tuple(matches)
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@ -437,6 +446,193 @@ class QuickOpen(Dialog):
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# }}}
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# Filterable names list {{{
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class NamesDelegate(QStyledItemDelegate):
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def sizeHint(self, option, index):
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ans = QStyledItemDelegate.sizeHint(self, option, index)
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ans.setHeight(ans.height() + 10)
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return ans
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def paint(self, painter, option, index):
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QStyledItemDelegate.paint(self, painter, option, index)
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text, positions = index.data(Qt.UserRole).toPyObject()
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self.initStyleOption(option, index)
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painter.save()
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painter.setFont(option.font)
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p = option.palette
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c = p.HighlightedText if option.state & QStyle.State_Selected else p.Text
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group = (p.Active if option.state & QStyle.State_Active else p.Inactive)
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c = p.color(group, c)
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painter.setClipRect(option.rect)
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if positions is None or -1 in positions:
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painter.setPen(c)
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painter.drawText(option.rect, Qt.AlignLeft | Qt.AlignVCenter | Qt.TextSingleLine, text)
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else:
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to = QTextOption()
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to.setWrapMode(to.NoWrap)
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to.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
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positions = sorted(set(positions) - {-1}, reverse=True)
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text = '<body>%s</body>' % make_highlighted_text(Results.EMPH, text, positions)
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doc = QTextDocument()
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c = 'rgb(%d, %d, %d)'%c.getRgb()[:3]
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doc.setDefaultStyleSheet(' body { color: %s }'%c)
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doc.setHtml(text)
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doc.setDefaultFont(option.font)
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doc.setDocumentMargin(0.0)
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doc.setDefaultTextOption(to)
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height = doc.size().height()
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painter.translate(option.rect.left(), option.rect.top() + (max(0, option.rect.height() - height) // 2))
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doc.drawContents(painter)
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painter.restore()
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class NamesModel(QAbstractListModel):
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filtered = pyqtSignal(object)
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def __init__(self, names, parent=None):
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self.items = []
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QAbstractListModel.__init__(self, parent)
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self.set_names(names)
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def set_names(self, names):
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self.names = names
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self.matcher = Matcher(names)
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self.filter('')
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def rowCount(self, parent=ROOT):
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return len(self.items)
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def data(self, index, role):
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if role == Qt.UserRole:
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return QVariant(self.items[index.row()])
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if role == Qt.DisplayRole:
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return QVariant('\xa0' * 20)
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return NONE
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def filter(self, query):
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query = unicode(query or '')
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if not query:
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self.items = tuple((text, None) for text in self.names)
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else:
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self.items = tuple(self.matcher(query).iteritems())
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self.reset()
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self.filtered.emit(not bool(query))
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def create_filterable_names_list(names, filter_text=None, parent=None):
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nl = QListView(parent)
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nl.m = m = NamesModel(names, parent=nl)
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m.filtered.connect(lambda all_items: nl.scrollTo(m.index(0)))
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nl.setModel(m)
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nl.d = NamesDelegate(nl)
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nl.setItemDelegate(nl.d)
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f = QLineEdit(parent)
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f.setPlaceholderText(filter_text or '')
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f.textEdited.connect(m.filter)
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return nl, f
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# }}}
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# Insert Link {{{
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class InsertLink(Dialog):
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def __init__(self, container, source_name, parent=None):
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self.container = container
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self.source_name = source_name
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Dialog.__init__(self, _('Insert Hyperlink'), 'insert-hyperlink', parent=parent)
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self.anchor_cache = {}
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def sizeHint(self):
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return QSize(800, 600)
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def setup_ui(self):
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self.l = l = QVBoxLayout(self)
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self.setLayout(l)
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self.h = h = QHBoxLayout()
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l.addLayout(h)
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names = [n for n, linear in self.container.spine_names]
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fn, f = create_filterable_names_list(names, filter_text=_('Filter files'), parent=self)
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self.file_names, self.file_names_filter = fn, f
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fn.selectionModel().selectionChanged.connect(self.selected_file_changed)
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self.fnl = fnl = QVBoxLayout()
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self.la1 = la = QLabel(_('Choose a &file to link to:'))
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la.setBuddy(fn)
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fnl.addWidget(la), fnl.addWidget(fn), fnl.addWidget(f)
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h.addLayout(fnl), h.setStretch(0, 2)
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fn, f = create_filterable_names_list([], filter_text=_('Filter locations'), parent=self)
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self.anchor_names, self.anchor_names_filter = fn, f
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fn.selectionModel().selectionChanged.connect(self.update_target)
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fn.doubleClicked.connect(self.accept, type=Qt.QueuedConnection)
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self.anl = fnl = QVBoxLayout()
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self.la2 = la = QLabel(_('Choose a &location (anchor) in the file:'))
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la.setBuddy(fn)
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fnl.addWidget(la), fnl.addWidget(fn), fnl.addWidget(f)
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h.addLayout(fnl), h.setStretch(1, 1)
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self.tl = tl = QHBoxLayout()
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self.la3 = la = QLabel(_('&Target:'))
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tl.addWidget(la)
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self.target = t = QLineEdit(self)
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la.setBuddy(t)
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tl.addWidget(t)
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l.addLayout(tl)
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l.addWidget(self.bb)
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def selected_file_changed(self, *args):
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rows = list(self.file_names.selectionModel().selectedRows())
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if not rows:
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self.anchor_names.model().set_names([])
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else:
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name, positions = self.file_names.model().data(rows[0], Qt.UserRole).toPyObject()
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self.populate_anchors(name)
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def populate_anchors(self, name):
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if name not in self.anchor_cache:
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from calibre.ebooks.oeb.base import XHTML_NS
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root = self.container.parsed(name)
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self.anchor_cache[name] = sorted(
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(set(root.xpath('//*/@id')) | set(root.xpath('//h:a/@name', namespaces={'h':XHTML_NS}))) - {''}, key=primary_sort_key)
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self.anchor_names.model().set_names(self.anchor_cache[name])
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self.update_target()
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def update_target(self):
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rows = list(self.file_names.selectionModel().selectedRows())
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if not rows:
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return
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name = self.file_names.model().data(rows[0], Qt.UserRole).toPyObject()[0]
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if name == self.source_name:
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href = ''
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else:
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href = self.container.name_to_href(name, self.source_name)
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frag = ''
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rows = list(self.anchor_names.selectionModel().selectedRows())
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if rows:
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anchor = self.anchor_names.model().data(rows[0], Qt.UserRole).toPyObject()[0]
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if anchor:
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frag = '#' + anchor
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href += frag
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self.target.setText(href or '#')
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@property
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def href(self):
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return unicode(self.target.text()).strip()
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@classmethod
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def test(cls):
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import sys
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from calibre.ebooks.oeb.polish.container import get_container
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c = get_container(sys.argv[-1], tweak_mode=True)
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d = cls(c, next(c.spine_names)[0])
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if d.exec_() == d.Accepted:
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print (d.href)
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# }}}
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if __name__ == '__main__':
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app = QApplication([])
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QuickOpen.test()
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InsertLink.test()
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@ -92,7 +92,7 @@ class Matcher(object):
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self.scorers = [scorer(tuple(map(itemgetter(1), task_items))) for task_items in tasks]
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self.sort_keys = None
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def __call__(self, query):
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def __call__(self, query, limit=None):
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query = normalize('NFC', unicode(query))
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with wlock:
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for i, scorer in enumerate(self.scorers):
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@ -119,6 +119,8 @@ class Matcher(object):
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raise Exception('Failed to score items: %s' % error)
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items = sorted(((-scores[i], item, positions[i]) for i, item in enumerate(self.items)),
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key=itemgetter(0))
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if limit is not None:
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del items[limit:]
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return OrderedDict(x[1:] for x in filter(itemgetter(0), items))
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def get_items_from_dir(basedir, acceptq=lambda x: True):
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