first get the xml doc, then pass it to DomModel. Not the other way around
[sface.git] / sface / xmlwidget.py
index a2d3ec2..b24de60 100644 (file)
@@ -8,6 +8,19 @@ from PyQt4.QtXml import *
 from sface.config import config
 from sface.screens.sfascreen import SfaScreen
 
+def QVarMapAccess(qv, key):
+    # helper function. qv is a dict wrapped into a QVariant
+    print 10*'='
+    print "DICT:", qv.toMap()
+    if len(qv.toMap().keys()) == 0:
+        print "EMPTY!"
+        import traceback
+        traceback.print_stack()
+        return None
+    else:
+        return qv.toMap()[QString(key)].toString()
+
+
 class DomModel(QAbstractItemModel):
     def __init__(self, document, parent = 0):
         QAbstractItemModel.__init__(self, parent)
@@ -19,11 +32,12 @@ class DomModel(QAbstractItemModel):
             currElem = childList.item(i)
             if (currElem.nodeType() == QDomNode.ProcessingInstructionNode):
                 document.removeChild(currElem)
+                print "REMOVED!"
                 break
         self.rootItem = DomItem(document, 0);
 
     def data(self, index, role = Qt.DisplayRole):
-        # sometimes it return a QString, sometimes a QVariant. not good.
+        # for interesting nodes, returns a dict wrapped into a QVariant.
         if not index.isValid():
             return QVariant()
         if role != Qt.DisplayRole:
@@ -40,45 +54,58 @@ class DomModel(QAbstractItemModel):
                     elem = ' %s="%s"' % (attr.nodeName(), attr.nodeValue())
                     qslist.append(elem)
                 ElemNameAndAtts = '%s%s'% (node.nodeName(), qslist.join(' '))
-                obj = QObject()
-                obj.setProperty('nodeType', QString('element'))
-                obj.setProperty('content', ElemNameAndAtts)
-                return obj
+                print "1"
+                return QVariant(
+                    {'nodeType':QVariant(QString('element')),
+                     'content':ElemNameAndAtts})
             elif node.nodeType() == QDomNode.AttributeNode:
+                print "2"
                 return QVariant()
             elif node.nodeType() == QDomNode.TextNode:
-                obj = QObject()
-                obj.setProperty('nodeType', QString('text'))
-                obj.setProperty('content', node.nodeValue())
-                return obj
+                print "3"
+                return QVariant(
+                    {'nodeType':QVariant(QString('text')),
+                     'content':node.nodeValue()})
             elif node.nodeType() == QDomNode.CDATASectionNode:
+                print "4"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.EntityReferenceNode:
+                print "5"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.EntityNode:
+                print "6"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.ProcessingInstructionNode:
+                print "7"
                 return QVariant()
             elif node.nodeType() == QDomNode.CommentNode:
-                obj = QObject()
-                obj.setProperty('nodeType', QString('comment'))
-                obj.setProperty('content', node.nodeValue())
-                return obj
+                print "8"
+                return QVariant(
+                    {'nodeType':QVariant(QString('comment')),
+                     'content':node.nodeValue()})
             elif node.nodeType() == QDomNode.DocumentNode:
+                print "9"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.DocumentTypeNode:
+                print "10"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.DocumentFragmentNode:
+                print "12"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.NotationNode:
+                print "13"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.BaseNode:
+                print "14"
                 return QString('unsupported node type')
             elif node.nodeType() == QDomNode.CharacterDataNode:
+                print "15"
                 return QString('unsupported node type')
             else:
+                print "16"
                 return QVariant()
         else:
+            print "17"
             return QVariant()
 
     def flags(self, index):
@@ -157,9 +184,15 @@ class DomItem:
         return self.rowNumber
 
 class XmlView(QTreeView):
-    def __init__(self, parent):
+    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)
@@ -167,52 +200,6 @@ class XmlView(QTreeView):
         self.setAttribute(Qt.WA_MacShowFocusRect, 0)
         self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
 
-class XmlWindow(QDialog):
-    def __init__(self, parent=None, title='XML Window'):
-        QDialog.__init__(self, parent)
-        self.setWindowTitle(title)
-
-        self.document = None
-        self.model = None
-        self.title = title
-
-        self.view = XmlView(self)
-        self.delegate = XmlDelegate(self)
-        self.view.setItemDelegate(self.delegate)
-        self.delegate.insertNodeDelegate('element', ElemNodeDelegate())
-        self.delegate.insertNodeDelegate('text', TextNodeDelegate())
-        self.delegate.insertNodeDelegate('comment', CommentNodeDelegate())
-        layout = QVBoxLayout()
-        layout.addWidget(self.view)
-        self.setLayout(layout)
-
-        self.updateView()
-
-    def show(self):
-        self.updateView()
-        QDialog.show(self)
-        
-    def updateView(self):
-        del self.document
-        del self.model
-        self.document = None
-        self.model = None
-
-        self.document = QDomDocument(self.title)
-        self.model = DomModel(self.document, self)
-
-        self.view.setModel(self.model)
-        self.view.expand(self.model.index(0, 0)) #expand first level only
-
-        #move the code below to rspec window
-        rspec_file = config.getSliceRSpecFile()
-        if not os.path.exists(rspec_file):
-            return
-
-        self.document.setContent(open(rspec_file,'r').read())
-
-
-
 class XmlDelegate(QItemDelegate):
     
     def __init__(self, parent=None):
@@ -228,9 +215,11 @@ class XmlDelegate(QItemDelegate):
             del self.delegates[nodeType]
     
     def paint(self, painter, option, index):
-        nodeType = index.model().data(index).property('nodeType')
-        delegate = self.delegates.get(str(nodeType.toString()))
-        #print "TYPE:", str(type(str(nodeType.toString())))
+        print "ASKING FOR DATA"
+        dataAsQVarMap = index.model().data(index)
+        print "GOT DATA"
+        nodeType = str(QVarMapAccess(dataAsQVarMap, 'nodeType'))
+        delegate = self.delegates.get(nodeType)
         #print "DELEGS DICT:", self.delegates
         #print "NODETYPE:", nodeType.toString()
         if delegate is not None:
@@ -239,22 +228,31 @@ class XmlDelegate(QItemDelegate):
         else:
             #print "ELSE BRANCH"
             # not sure this will ever work. this delegate
-            # doesn't know about my QObject strategy.
+            # doesn't know about my QMap strategy.
             QItemDelegate.paint(self, painter, option, index)
 
-    def sizeHint(self, option, index):
-        fm = option.fontMetrics
-        text = index.model().data(index).property('content').toString()
-        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)    
+#    def sizeHint(self, option, index):
+#        fm = option.fontMetrics
+#        print "TYPE:", str(type(index.model().data(index).convert(QObject)))
+#        text = "the fish doesn't talk"
+#        #text = str(index.model().data(index).property('content').toString())
+#        nodeType = str(index.model().data(index).property('nodeType').toString())
+#        if nodeType == 'element' or nodeType == 'comment':
+#            numlines = 1
+#        elif nodeType == 'text':
+#            numlines = text.count('\n')
+#            sys.__stdout__.write("TEXT: \n" + text)
+#        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): 
-        text = index.model().data(index)
         palette = QApplication.palette()
         document = QTextDocument()
         document.setDefaultFont(option.font)
@@ -263,9 +261,7 @@ class ElemNodeDelegate(QAbstractItemDelegate):
         highGlobPattern = '&lt;<b>%s</b>%s&gt;'
         highAttPattern = ' <b>%s</b>="%s"'
         def getHtmlText(plainText, globPattern, attPattern):
-            print "PLAIN TEXT:", plainText
             tmp = plainText.split(' ', 1)
-            print "TMP:", tmp
             elemName = tmp[0]
             AttListHtml = ''
             if len(tmp) > 1:
@@ -280,8 +276,8 @@ class ElemNodeDelegate(QAbstractItemDelegate):
             return html
         def colorize(color, text):
             return '<font color=' + color + '>' + text + '</font>'
-        text = str(index.model().data(index).property('content').toString())
-        print "TEXT:", text
+        dataAsQVarMap = index.model().data(index)
+        text = str(QVarMapAccess(dataAsQVarMap, 'content'))
         if option.state & QStyle.State_Selected:
             htmlText = colorize(palette.highlightedText().color().name(),
                                 getHtmlText(text, highGlobPattern, highAttPattern))
@@ -293,7 +289,6 @@ class ElemNodeDelegate(QAbstractItemDelegate):
             if option.state & QStyle.State_Selected \
             else palette.base().color()
         painter.save()
-        print "COLOR:", color.name()
         # voodoo: if not highlighted, filling the rect
         # with the base color makes no difference
         painter.fillRect(option.rect, color)
@@ -301,20 +296,38 @@ class ElemNodeDelegate(QAbstractItemDelegate):
         document.drawContents(painter)
         painter.restore()
 
-    def sizeHint(self, option, index):
-        sizeHint(self, option, index)
-
 class TextNodeDelegate(QAbstractItemDelegate):
     def paint(self, painter, option, index): 
-        #print "TEXT DELEG CALLED"
-        paint(self, painter, option, index)
-
-    def sizeHint(self, option, index):
-        sizeHint(self, option, index)
+        palette = QApplication.palette()
+        document = QTextDocument()
+        document.setDefaultFont(option.font)
+        def verbatimize(text):
+            text.replace('\n', '<br>')
+            return '<pre>' + text + '</pre'
+        def colorize(color, text):
+            return '<font color=' + color + '>' + text + '</font>'
+        dataAsQVarMap = index.model().data(index)
+        text = str(QVarMapAccess(dataAsQVarMap, 'content'))
+        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): 
-        #print "TEXT DELEG CALLED"
         paint(self, painter, option, index)
 
 def paint(self, painter, option, index):