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# Copyright (c) 2009-2010 LOGILAB S.A. (Paris, FRANCE).
# http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
from mercurial import error
from tortoisehg.util import hglib
from tortoisehg.hgqt.i18n import _
from tortoisehg.hgqt import htmldelegate
from PyQt4.QtCore import *
from PyQt4.QtGui import *
class HgRepoView(QTableView):
revisionClicked = pyqtSignal(object)
revisionAltClicked = pyqtSignal(object)
revisionSelected = pyqtSignal(object)
revisionActivated = pyqtSignal(object)
menuRequested = pyqtSignal(QPoint, object)
showMessage = pyqtSignal(unicode)
def __init__(self, repo, parent=None):
QTableView.__init__(self, parent)
self.repo = repo
self.current_rev = -1
self.setShowGrid(False)
vh = self.verticalHeader()
vh.hide()
vh.setDefaultSectionSize(20)
self.horizontalHeader().setHighlightSections(False)
self.standardDelegate = self.itemDelegate()
self.htmlDelegate = htmldelegate.HTMLDelegate(self)
self.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.doubleClicked.connect(self.revActivated)
self.clicked.connect(self.revClicked)
def setRepo(self, repo):
self.repo = repo
def mousePressEvent(self, event):
index = self.indexAt(event.pos())
if not index.isValid():
return
if event.button() == Qt.MidButton:
self.gotoAncestor(index)
return
QTableView.mousePressEvent(self, event)
def contextMenuEvent(self, event):
self.menuRequested.emit(event.globalPos(), self.selectedRevisions())
def setModel(self, model):
QTableView.setModel(self, model)
#Check if the font contains the glyph needed by the model
if not QFontMetrics(self.font()).inFont(QString(u'\u2605').at(0)):
model.unicodestar = False
if not QFontMetrics(self.font()).inFont(QString(u'\u2327').at(0)):
model.unicodeclosed = False
self.selectionModel().currentRowChanged.connect(self.onRowChange)
self.resetDelegate()
self._rev_history = []
self._rev_pos = -1
self._in_history = False
model.layoutChanged.connect(self.resetDelegate)
def resetBrowseHistory(self, revs):
self._rev_history = revs[:]
self._rev_pos = -1
self.forward()
def resetDelegate(self):
# Model column layout has changed so we need to move
# our column delegate to correct location
if not self.model():
return
model = self.model()
for c in range(model.columnCount(QModelIndex())):
if model._columns[c] in ['Description', 'Changes']:
self.setItemDelegateForColumn(c, self.htmlDelegate)
else:
self.setItemDelegateForColumn(c, self.standardDelegate)
def resizeColumns(self, *args):
# resize columns the smart way: the column holding Description
# is resized according to the total widget size.
if not self.model():
return
hh = self.horizontalHeader()
hh.setStretchLastSection(False)
self._resizeColumns()
hh.setStretchLastSection(True)
def _resizeColumns(self):
# _resizeColumns misbehaves if called with last section streched
model = self.model()
col1_width = self.viewport().width()
fontm = QFontMetrics(self.font())
tot_stretch = 0.0
for c in range(model.columnCount(QModelIndex())):
if model._columns[c] in model._stretchs:
tot_stretch += model._stretchs[model._columns[c]]
continue
w = model.maxWidthValueForColumn(c)
if isinstance(w, int):
self.setColumnWidth(c, w)
elif w is not None:
w = fontm.width(hglib.tounicode(str(w)) + 'w')
self.setColumnWidth(c, w)
else:
w = self.sizeHintForColumn(c)
self.setColumnWidth(c, w)
col1_width -= self.columnWidth(c)
col1_width = max(col1_width, 600)
for c in range(model.columnCount(QModelIndex())):
if model._columns[c] in model._stretchs:
w = model._stretchs[model._columns[c]] / tot_stretch
self.setColumnWidth(c, col1_width * w)
def revFromindex(self, index):
if not index.isValid():
return
model = self.model()
if model and model.graph:
row = index.row()
gnode = model.graph[row]
return gnode.rev
def context(self, rev):
return self.repo.changectx(rev)
def revClicked(self, index):
rev = self.revFromindex(index)
if QApplication.keyboardModifiers() & Qt.AltModifier:
self.revisionAltClicked.emit(rev)
else:
self.revisionClicked.emit(rev)
def revActivated(self, index):
rev = self.revFromindex(index)
if rev is not None:
self.revisionActivated.emit(rev)
def onRowChange(self, index, index_from):
rev = self.revFromindex(index)
if self.current_rev != rev and not self._in_history:
del self._rev_history[self._rev_pos+1:]
self._rev_history.append(rev)
self._rev_pos = len(self._rev_history)-1
self._in_history = False
self.current_rev = rev
self.revisionSelected.emit(rev)
def selectedRevisions(self):
"""Return the list of selected revisions"""
selmodel = self.selectionModel()
return [self.revFromindex(i) for i in selmodel.selectedRows()]
def gotoAncestor(self, index):
rev = self.revFromindex(index)
if rev is None or self.current_rev is None:
return
ctx = self.context(self.current_rev)
ctx2 = self.context(rev)
if ctx.thgmqunappliedpatch() or ctx2.thgmqunappliedpatch():
return
ancestor = ctx.ancestor(ctx2)
self.showMessage.emit(_("Goto ancestor of %s and %s") % (
ctx.rev(), ctx2.rev()))
self.goto(ancestor.rev())
def canGoBack(self):
return bool(self._rev_history and self._rev_pos > 0)
def canGoForward(self):
return bool(self._rev_history
and self._rev_pos < len(self._rev_history) - 1)
def back(self):
if self.canGoBack():
self._rev_pos -= 1
idx = self.model().indexFromRev(self._rev_history[self._rev_pos])
if idx is not None:
self._in_history = True
self.setCurrentIndex(idx)
def forward(self):
if self.canGoForward():
self._rev_pos += 1
idx = self.model().indexFromRev(self._rev_history[self._rev_pos])
if idx is not None:
self._in_history = True
self.setCurrentIndex(idx)
def goto(self, rev):
"""
Select revision 'rev' (can be anything understood by repo.changectx())
"""
if type(rev) is QString:
rev = str(rev)
try:
rev = self.repo.changectx(rev).rev()
except error.RepoError:
self.showMessage.emit(_("Can't find revision '%s'") % rev)
except LookupError, e:
self.showMessage.emit(hglib.fromunicode(str(e)))
else:
idx = self.model().indexFromRev(rev)
if idx is not None:
self.setCurrentIndex(idx)
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