From ee8031925fcd93d7bedceff6e98a06f3806426b3 Mon Sep 17 00:00:00 2001
From: tassaron
Date: Thu, 15 Jun 2017 23:13:36 -0400
Subject: drag events for component list now working!

---
 core.py          | 14 +++++++++-----
 mainwindow.py    | 34 ++++++++++++++++++++++++++--------
 mainwindow.ui    |  9 ++++++---
 presetmanager.py |  3 +--
 4 files changed, 42 insertions(+), 18 deletions(-)

diff --git a/core.py b/core.py
index 3fca7bf..dcea783 100644
--- a/core.py
+++ b/core.py
@@ -68,7 +68,8 @@ class Core():
                         yield name
         self.modules = [
             import_module('components.%s' % name)
-            for name in findComponents()]
+            for name in findComponents()
+        ]
         self.moduleIndexes = [i for i in range(len(self.modules))]
 
     def componentListChanged(self):
@@ -119,11 +120,14 @@ class Core():
         saveValueStore = self.getPreset(filepath)
         if not saveValueStore:
             return False
+        try:
+            self.selectedComponents[compIndex].loadPreset(
+                saveValueStore,
+                presetName
+            )
+        except KeyError as e:
+            print('preset missing value: %s' % e)
 
-        self.selectedComponents[compIndex].loadPreset(
-            saveValueStore,
-            presetName
-        )
         self.savedPresets[presetName] = dict(saveValueStore)
         return True
 
diff --git a/mainwindow.py b/mainwindow.py
index f1959cb..fb9ebfd 100644
--- a/mainwindow.py
+++ b/mainwindow.py
@@ -157,7 +157,7 @@ class MainWindow(QtCore.QObject):
 
         self.window.pushButton_addComponent.setMenu(self.compMenu)
 
-        componentList.dropEvent = self.componentListChanged
+        componentList.dropEvent = self.dragComponent
         componentList.itemSelectionChanged.connect(
             self.changeComponentWidget)
 
@@ -479,9 +479,26 @@ class MainWindow(QtCore.QObject):
             stackedWidget.setCurrentIndex(newRow)
             self.drawPreview()
 
-    def componentListChanged(self, *args):
-        '''Update all our tracking variables to match the widget'''
-        pass
+    def dragComponent(self, event):
+        '''Drop event for the component listwidget'''
+        componentList = self.window.listWidget_componentList
+
+        modelIndexes = [ \
+            componentList.model().index(i) \
+                for i in range(componentList.count()) \
+        ]
+        rects = [ \
+            componentList.visualRect(modelIndex) \
+                for modelIndex in modelIndexes \
+        ]
+
+        rowPos = [rect.contains(event.pos()) for rect in rects]
+        if not any(rowPos):
+            return
+
+        i = rowPos.index(True)
+        change = (componentList.currentRow() - i) * -1
+        self.moveComponent(change)
 
     def changeComponentWidget(self):
         selected = self.window.listWidget_componentList.selectedItems()
@@ -608,10 +625,11 @@ class MainWindow(QtCore.QObject):
         except KeyError:
             pass
 
-        menuItem = self.menu.addAction("Clear Preset")
-        menuItem.triggered.connect(
-            self.presetManager.clearPreset
-        )
+        if self.core.selectedComponents[index].currentPreset:
+            menuItem = self.menu.addAction("Clear Preset")
+            menuItem.triggered.connect(
+                self.presetManager.clearPreset
+            )
 
         self.menu.move(parentPosition + QPos)
         self.menu.show()
diff --git a/mainwindow.ui b/mainwindow.ui
index af47cee..e892959 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1008</width>
-    <height>575</height>
+    <width>1028</width>
+    <height>592</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -175,6 +175,9 @@
               <height>16777215</height>
              </size>
             </property>
+            <property name="acceptDrops">
+             <bool>true</bool>
+            </property>
             <property name="frameShape">
              <enum>QFrame::StyledPanel</enum>
             </property>
@@ -188,7 +191,7 @@
              <bool>true</bool>
             </property>
             <property name="dragEnabled">
-             <bool>false</bool>
+             <bool>true</bool>
             </property>
             <property name="dragDropOverwriteMode">
              <bool>false</bool>
diff --git a/presetmanager.py b/presetmanager.py
index 49a6336..3b02714 100644
--- a/presetmanager.py
+++ b/presetmanager.py
@@ -111,8 +111,7 @@ class PresetManager(QtGui.QDialog):
     def clearPreset(self, compI=None):
         '''Functions on mainwindow level from the context menu'''
         compI = self.parent.window.listWidget_componentList.currentRow()
-        self.core.clearPreset(compI, self)
-
+        self.core.clearPreset(compI, self.parent)
 
     def openSavePresetDialog(self):
         '''Functions on mainwindow level from the context menu'''
-- 
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