Add a "Remove" button to Configure Blocks

src/mcedit2/ui/configure_blocks_dialog.ui

@@ -66,6 +66,13 @@
                </property>
               </widget>
              </item>
+             <item>
+              <widget class="QPushButton" name="removeBlockButton">
+               <property name="text">
+                <string>Remove</string>
+               </property>
+              </widget>
+             </item>
             </layout>
            </item>
            <item>

src/mcedit2/widgets/configureblocksdialog.py

@@ -229,6 +229,13 @@ class ConfigureBlocksItemModel(QtCore.QAbstractItemModel):
         log.info("Appended")
         self.endInsertRows()
 
+    def removeBlock(self, row):
+        if row >= len(self.definedBlocks):
+            return
+        self.beginRemoveRows(QtCore.QModelIndex(), row, row)
+        del self.definedBlocks[row]
+        self.endRemoveRows()
+
     def setBlockModelPath(self, row, modelPath):
         blockDef = self.definedBlocks[row]
         blockDef.modelPath = modelPath
@@ -249,6 +256,7 @@ class ConfigureBlocksDialog(QtGui.QDialog):
         self.blocksView.clicked.connect(self.currentBlockClicked)
 
         self.addBlockButton.clicked.connect(self.addBlock)
+        self.removeBlockButton.clicked.connect(self.removeBlock)
 
         headerWidths = [
             48,
@@ -427,6 +435,15 @@ class ConfigureBlocksDialog(QtGui.QDialog):
         #     self.internalNameBox.removeItem(index)
         self.model.addBlock(internalName)
 
+    def removeBlock(self):
+        index = self.blocksView.currentIndex()
+        if not index.isValid():
+            return
+
+        row = index.row()
+        self.model.removeBlock(row)
+
+
     def done(self, result):
         self.model.writeToJson()
         super(ConfigureBlocksDialog, self).done(result)