import os
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtXml import *
from sface.config import config
from sface.screens.sfascreen import SfaScreen
class nodeData(QVariant):
def __init__(self, *args, **kws):
QVariant.__init__(self, *args, **kws)
self.type = None
def setType(self, typ):
self.type = typ
def getType(self):
return self.type
class DomModel(QAbstractItemModel):
def __init__(self, document, parent = 0):
QAbstractItemModel.__init__(self, parent)
self.domDocument = document
# one of the children of the rootItem is the 'xml' thing.
# here I delete it.
childList = document.childNodes()
for i in range(childList.count()):
currElem = childList.item(i)
if (currElem.nodeType() == QDomNode.ProcessingInstructionNode):
document.removeChild(currElem)
break
self.rootItem = DomItem(document, 0);
def data(self, index, role = Qt.DisplayRole):
# for interesting nodes, returns a dict wrapped into a QVariant.
if not index.isValid():
return QVariant()
if role != Qt.DisplayRole:
return QVariant()
node = index.internalPointer().node()
attributeMap = node.attributes()
col = index.column()
if col == 0:
if node.nodeType() == QDomNode.ElementNode:
qslist = QStringList()
for i in range(attributeMap.count()):
attr = attributeMap.item(i)
elem = ' %s="%s"' % (attr.nodeName(), attr.nodeValue())
qslist.append(elem)
ElemNameAndAtts = '%s%s'% (node.nodeName(), qslist.join(' '))
answer = nodeData(ElemNameAndAtts)
answer.setType('element')
return answer
elif node.nodeType() == QDomNode.AttributeNode:
return QVariant()
elif node.nodeType() == QDomNode.TextNode:
answer = nodeData(node.nodeValue())
answer.setType('text')
return answer
elif node.nodeType() == QDomNode.CDATASectionNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.EntityReferenceNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.EntityNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.ProcessingInstructionNode:
return QVariant()
elif node.nodeType() == QDomNode.CommentNode:
answer = nodeData(node.nodeValue())
answer.setType('comment')
return answer
elif node.nodeType() == QDomNode.DocumentNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.DocumentTypeNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.DocumentFragmentNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.NotationNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.BaseNode:
return QString('unsupported node type')
elif node.nodeType() == QDomNode.CharacterDataNode:
return QString('unsupported node type')
else:
return QVariant()
else:
return QVariant()
def flags(self, index):
if not index.isValid():
return Qt.ItemIsEnabled
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
def headerData(self, section, orientation, role):
return QVariant()
def index(self, row, column, parent=None):
if not parent or not parent.isValid():
parentItem = self.rootItem
else:
parentItem = parent.internalPointer()
childItem = parentItem.child(row)
# childItem would be None to say "false"?
if childItem:
return self.createIndex(row, column, childItem)
else:
return QModelIndex()
def parent(self, child):
if not child.isValid():
return QModelIndex()
childItem = child.internalPointer()
parentItem = childItem.parent()
if not parentItem or parentItem == self.rootItem:
return QModelIndex()
return self.createIndex(parentItem.row(), 0, parentItem)
def rowCount(self, parent=None):
if not parent or not parent.isValid():
parentItem = self.rootItem
else:
parentItem = parent.internalPointer()
return parentItem.node().childNodes().count()
def columnCount(self, parent):
# just one column we'll print tag name (and attributes) or the
# tag content
return 1
class DomItem:
# wrapper around PyQt4.QtXml.QDomNode it keeps an hash of
# childrens for performance reasons
def __init__(self, node, row, parent = 0):
# node is of type PyQt4.QtXml.QDomNode
self.domNode = node
self.parentItem = parent
self.rowNumber = row
self.childItems = {}
def child(self, i):
if i in self.childItems:
return self.childItems[i]
if i >= 0 and i < self.domNode.childNodes().count():
childNode = self.domNode.childNodes().item(i)
childItem = DomItem(childNode, i, self)
self.childItems[i] = childItem
return childItem
return None
def parent(self):
return self.parentItem
def node(self):
return self.domNode
def row(self):
return self.rowNumber
class XmlView(QTreeView):
def __init__(self, parent=None):
QTreeView.__init__(self, parent)
delegate = XmlDelegate(self)
delegate.insertNodeDelegate('element', ElemNodeDelegate())
delegate.insertNodeDelegate('text', TextNodeDelegate())
delegate.insertNodeDelegate('comment', CommentNodeDelegate())
self.setItemDelegate(delegate)
self.setAnimated(True)
self.setItemsExpandable(True)
self.setRootIsDecorated(True)
self.setHeaderHidden(True)
self.setAttribute(Qt.WA_MacShowFocusRect, 0)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
class XmlDelegate(QItemDelegate):
def __init__(self, parent=None):
QAbstractItemDelegate.__init__(self, parent)
self.delegates = {}
def insertNodeDelegate(self, nodeType, delegate):
delegate.setParent(self)
self.delegates[nodeType] = delegate
def removeNodeDelegate(self, nodeType, delegate):
if nodeType in self.delegates:
del self.delegates[nodeType]
def paint(self, painter, option, index):
nodeData = index.model().data(index)
nodeType = nodeData.getType()
delegate = self.delegates.get(nodeType)
if delegate is not None:
delegate.paint(painter, option, index)
else:
QItemDelegate.paint(self, painter, option, index)
def sizeHint(self, option, index):
fm = option.fontMetrics
nodeData = index.model().data(index)
nodeType = nodeData.getType()
text = nodeData.toString()
if nodeType == 'element' or nodeType == 'comment':
numlines = 1
elif nodeType == 'text':
nl = text.count('\n')
numlines = nl if nl > 0 else 1
else:
numlines = 1
document = QTextDocument()
document.setDefaultFont(option.font)
document.setHtml(text)
# the +5 is for margin. The +4 is voodoo;
# fm.height just give it too small.
return QSize(document.idealWidth() + 5, (fm.height() + 4) * numlines)
class ElemNodeDelegate(QAbstractItemDelegate):
def paint(self, painter, option, index):
palette = QApplication.palette()
document = QTextDocument()
document.setDefaultFont(option.font)
nonHighGlobPattern = '<%s%s>'
nonHighAttPattern = ' %s="%s"'
highGlobPattern = '<%s%s>'
highAttPattern = ' %s="%s"'
def getHtmlText(plainText, globPattern, attPattern):
tmp = plainText.split(' ', 1)
elemName = tmp[0]
AttListHtml = ''
if len(tmp) > 1:
# many elems don't have atts...
attList = tmp[1].split()
for att in attList:
tmp = att.split('=')
attName = tmp[0]
attValue = tmp[1][1:-1]
AttListHtml += (attPattern % (attName, attValue))
html = (globPattern % (elemName, AttListHtml))
return html
def colorize(color, text):
return '' + text + ''
nodeData = index.model().data(index)
nodeType = nodeData.getType()
# Uff... QString Vs string...
text = str(nodeData.toString())
if option.state & QStyle.State_Selected:
htmlText = colorize(palette.highlightedText().color().name(),
getHtmlText(text, highGlobPattern, highAttPattern))
document.setHtml(QString(htmlText))
else:
htmlText = getHtmlText(text, nonHighGlobPattern, nonHighAttPattern)
document.setHtml(QString(htmlText))
color = palette.highlight().color() \
if option.state & QStyle.State_Selected \
else palette.base().color()
painter.save()
# voodoo: if not highlighted, filling the rect
# with the base color makes no difference
painter.fillRect(option.rect, color)
painter.translate(option.rect.x(), option.rect.y())
document.drawContents(painter)
painter.restore()
class TextNodeDelegate(QAbstractItemDelegate):
def paint(self, painter, option, index):
palette = QApplication.palette()
document = QTextDocument()
document.setDefaultFont(option.font)
def verbatimize(text):
text.replace('\n', '
')
return '
' + text + '' + text + '' nodeData = index.model().data(index) nodeType = nodeData.getType() text = nodeData.toString() if option.state & QStyle.State_Selected: htmlText = colorize(palette.highlightedText().color().name(), verbatimize(text)) document.setHtml(QString(htmlText)) else: htmlText = verbatimize(text) document.setHtml(QString(htmlText)) color = palette.highlight().color() \ if option.state & QStyle.State_Selected \ else palette.base().color() painter.save() # voodoo: if not highlighted, filling the rect # with the base color makes no difference painter.fillRect(option.rect, color) painter.translate(option.rect.x(), option.rect.y()) document.drawContents(painter) painter.restore() class CommentNodeDelegate(QAbstractItemDelegate): def paint(self, painter, option, index): paint(self, painter, option, index) def paint(self, painter, option, index): text = index.model().data(index).property('content').toString() palette = QApplication.palette() document = QTextDocument() document.setDefaultFont(option.font) if option.state & QStyle.State_Selected: rx = QRegExp(QString('')) rx.setMinimal(True) # If selected, I remove the by hand, # and give the highlight color document.setHtml(QString("%2") \ .arg(palette.highlightedText().color().name())\ .arg(text.replace(rx, QString('')). replace(QString(''),QString('')))) else: document.setHtml(text) color = palette.highlight().color() \ if option.state & QStyle.State_Selected \ else palette.base().color() painter.save() # voodoo: if not highlighted, filling the rect # with the base color makes no difference painter.fillRect(option.rect, color) painter.translate(option.rect.x(), option.rect.y()) document.drawContents(painter) painter.restore()