We are currently indexing your data, so search results may be incomplete until we finish.
reporegistry: use xml for drag and drop mime data serialization
Changeset 542f056c216c…
Parent 19f41afd2f3b…
by
Changes to one file · Browse files at 542f056c216c Showing diff from parent 19f41afd2f3b Diff from another changeset...
|
|
@@ -5,6 +5,7 @@ # This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
+import sys
import os
from PyQt4 import QtCore, QtGui
@@ -18,6 +19,9 @@
connect = QtCore.QObject.connect
+extractXmlElementName = 'reporegextract'
+repoRegMimeType = 'application/thg-reporegistry'
+
class RepoTreeItem:
def __init__(self, parent=None):
self._parent = parent
@@ -65,9 +69,52 @@ c._row = i
return True
+ def dump(self, xw):
+ for c in self.childs:
+ c.dumpObject(xw)
+
+ def undump(self, xr):
+ print "RepoTreeItem.undump()"
+ while not xr.atEnd():
+ xr.readNext()
+ if xr.isStartElement():
+ item = undumpObject(xr)
+ self.appendChild(item)
+ xr.skipCurrentElement()
+ elif xr.isEndElement():
+ break
+
+ def dumpObject(self, xw):
+ xw.writeStartElement(self.__class__.__name__)
+ self.dump(xw)
+ xw.writeEndElement()
+
+
+def encodeToXml(item, rootElementName):
+ buf = QtCore.QByteArray()
+ xw = QtCore.QXmlStreamWriter(buf)
+ xw.setAutoFormatting(True)
+ xw.setAutoFormattingIndent(2)
+ xw.writeStartDocument()
+ xw.writeStartElement(rootElementName)
+ item.dumpObject(xw)
+ xw.writeEndElement()
+ xw.writeEndDocument()
+ return buf
+
+
+def undumpObject(xr):
+ print "undumpObject()"
+ classname = str(xr.name().toString())
+ print "classname = %s" % classname
+ class_ = getattr(sys.modules[RepoTreeItem.__module__], classname)
+ obj = class_()
+ obj.undump(xr)
+ return obj
+
class RepoItem(RepoTreeItem):
- def __init__(self, rootpath, parent=None):
+ def __init__(self, rootpath='', parent=None):
RepoTreeItem.__init__(self, parent)
self._rootpath = rootpath
@@ -90,6 +137,18 @@ def removeRows(self, row, count):
return False
+ def dump(self, xw):
+ RepoTreeItem.dump(self, xw)
+ xw.writeAttribute('rootpath', self._rootpath)
+
+ def undump(self, xr):
+ print "RepoItem.undump()"
+ a = xr.attributes()
+ self._rootpath = str(a.value('', 'rootpath').toString())
+ print "self._rootpath = %s" % self._rootpath
+ RepoTreeItem.undump(self, xr)
+ print "RepoItem.undump() finished"
+
class RepoGroupItem(RepoTreeItem):
def __init__(self, name, parent=None):
@@ -107,6 +166,17 @@ def flags(self):
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsDropEnabled
+ def dump(self, xw):
+ xw.writeAttribute('name', self.name)
+ RepoTreeItem.dump(self, xw)
+
+ def undump(self, xr):
+ print "RepoGroupItem.undump()"
+ a = xr.attributes()
+ self.name = str(a.value('', 'name').toString())
+ print "self.name = %s" % self.name
+ RepoTreeItem.undump(self, xr)
+
class RepoTreeModel(QtCore.QAbstractItemModel):
def __init__(self, parent=None):
@@ -186,19 +256,24 @@ item = parent.internalPointer()
res = item.removeRows(row, count)
self.endRemoveRows()
+
+ # dump everything for debug purposes
+ all = encodeToXml(self.rootItem, 'reporegistry')
+ print all
+
return res
def mimeTypes(self):
- return QtCore.QStringList('application/thg-reporegistry')
+ return QtCore.QStringList(repoRegMimeType)
def mimeData(self, indexes):
print "mimeData()"
i = indexes[0]
item = i.internalPointer()
- buf = 'repo=%s' % item.rootpath()
- print buf
+ buf = encodeToXml(item, extractXmlElementName)
+ print str(buf)
d = QtCore.QMimeData()
- d.setData('application/thg-reporegistry', buf)
+ d.setData(repoRegMimeType, buf)
return d
def dropMimeData(self, data, action, row, column, parent):
@@ -207,25 +282,33 @@ print "formats:"
for s in data.formats():
print s
- d = str(data.data('application/thg-reporegistry'))
- d = d.split('=')
- print d
- if d[0] != 'repo':
- print "not a repo"
- return False
- path = d[1]
- print "path = %s" % path
+ d = str(data.data(repoRegMimeType))
+ print "d = %s" % d
+
+ xr = QtCore.QXmlStreamReader(d)
+ if xr.readNextStartElement():
+ ele = str(xr.name().toString())
+ if ele != extractXmlElementName:
+ print "unexpected xml element '%s' "\
+ "(was looking for %s)" % (ele, extractXmlElementName)
+ return
+ if xr.hasError():
+ print str(xr.errorString())
+ if xr.readNextStartElement():
+ itemread = undumpObject(xr)
+ xr.skipCurrentElement()
+ if xr.hasError():
+ print str(xr.errorString())
+
+ print "itemread = %s" % itemread
+
group = parent.internalPointer()
- print "group = %s" % group
cc = group.childCount()
self.beginInsertRows(parent, cc, cc)
- print "1: group.childCount() = %s" % group.childCount()
- group.appendChild(RepoItem(path))
- print "2: group.childCount() = %s" % group.childCount()
+ group.appendChild(itemread)
self.endInsertRows()
return True
-
# functions not defined in QAbstractItemModel
def allreposIndex(self):
|
|
Add a tag
Loading...