implement itemdelegate to colorize selected nodes

[sface.git] / sface / screens / mainscreen.py

diff --git a/sface/screens/mainscreen.py b/sface/screens/mainscreen.py
index ccbe8dd..32d9849 100644 (file)
--- a/sface/screens/mainscreen.py
+++ b/sface/screens/mainscreen.py
@@ -19,6 +19,29 @@ class NodeView(QTreeView):
         self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
         self.setAttribute(Qt.WA_MacShowFocusRect, 0)
 
+class ItemDelegate(QStyledItemDelegate):
+    def __init__(self, parent):
+        QStyledItemDelegate.__init__(self)
+
+    def paint(self, painter, option, index):
+        data = "%s" % index.data().toString()
+
+        if data.startswith("*"): # already in the sliver
+            data = " %s " % data[1:]
+
+            rect = option.rect
+            fm = QFontMetrics(option.font)
+            w = fm.width(QString(data))
+            rect.setWidth(w)
+
+            painter.save()
+            painter.fillRect(rect, QColor.fromRgb(0, 250, 0))
+            painter.setPen(QColor.fromRgb(0, 0, 0))
+            painter.drawText(option.rect, 0, QString(data))
+            painter.restore()
+        else: # others, fall back to default view
+            QStyledItemDelegate.paint(self, painter, option, index)
+
 class TreeItem:
     def __init__(self, data, parent=None):
         self.parentItem = parent
@@ -214,11 +237,11 @@ class SliceWidget(QWidget):
             available_nodes = filter(lambda x:x not in sliver_nodes, all_nodes)
 
             for node in sliver_nodes:
-                nodeItem = TreeItem([QString(""), QString(node), QString("True")], networkItem)
+                nodeItem = TreeItem([QString(""), QString("*%s" % node), QString("Implement Checkbox")], networkItem)
                 networkItem.appendChild(nodeItem)
 
             for node in available_nodes:
-                nodeItem = TreeItem([QString(""), QString(node), QString("False")], networkItem)
+                nodeItem = TreeItem([QString(""), QString(node), QString("Implement Checkbox")], networkItem)
                 networkItem.appendChild(nodeItem)
 
             self.nodeModel.rootItem.appendChild(networkItem)
@@ -226,10 +249,13 @@ class SliceWidget(QWidget):
         self.nodeView.expandAll()
         self.nodeView.resizeColumnToContents(1)
 
+        self.delegate = ItemDelegate(self)
+        self.nodeView.setItemDelegateForColumn(1, self.delegate)
+
 
 class MainScreen(SfaScreen):
     def __init__(self, parent):
         SfaScreen.__init__(self, parent)
 
         slice = SliceWidget(self)
-        self.init(slice, "Main Window", "PlanetLab Federation GUI")
+        self.init(slice, "Main Window", "OneLab Federation GUI")