Better layout mechanic for Part display

- Now works well even if it overflows the available screen space

lib/widget/part_display.dart

@@ -30,14 +30,17 @@ class _PartDisplayState extends State<PartDisplayWidget> {
   InvenTreePart part;
 
   /*
-   * Construct a list of detail elements about this part.
+   * Build a list of tiles to display under the part description
-   * Not all elements are set for each part, so only add the ones that are important.
    */
-  List<Widget> partDetails() {
+  List<Widget> partTiles() {
-    List<Widget> widgets = [
+
+    List<Widget> tiles = [
+    ];
 
     // Image / name / description
-      ListTile(
+    tiles.add(
+      Card(
+        child: ListTile(
           title: Text("${part.fullname}"),
           subtitle: Text("${part.description}"),
           leading: Image(
@@ -48,31 +51,13 @@ class _PartDisplayState extends State<PartDisplayWidget> {
             onPressed: null,
           ),
         )
-    ];
-
-    return widgets;
-  }
-
-  /*
-   * Build a list of tiles to display under the part description
-   */
-  List<Widget> partTiles() {
-
-    List<Widget> tiles = [
-      Card(
-          child: Column(
-            mainAxisSize: MainAxisSize.max,
-            mainAxisAlignment: MainAxisAlignment.spaceBetween,
-            children: partDetails(),
       )
-      ),
+    );
-    ];
 
     // Category information
     if (part.categoryName.isNotEmpty) {
       tiles.add(
-        Card(
+        ListTile(
-          child: ListTile(
             title: Text("Part Category"),
             subtitle: Text("${part.categoryName}"),
             leading: FaIcon(FontAwesomeIcons.stream),
@@ -82,105 +67,86 @@ class _PartDisplayState extends State<PartDisplayWidget> {
               });
             },
           )
-        )
       );
     }
 
     // External link?
     if (part.link.isNotEmpty) {
       tiles.add(
-        Card(
+        ListTile(
-          child: ListTile(
             title: Text("${part.link}"),
             leading: FaIcon(FontAwesomeIcons.link),
             trailing: Text(""),
             onTap: null,
           )
-        )
       );
     }
 
     // Stock information
     tiles.add(
-      Card(
+        ListTile(
-        child: ListTile(
           title: Text("Stock"),
           leading: FaIcon(FontAwesomeIcons.boxes),
           trailing: Text("${part.inStock}"),
           onTap: null,
         ),
-      )
     );
 
     // Parts on order
     if (part.isPurchaseable) {
       tiles.add(
-        Card(
+        ListTile(
-          child: ListTile(
             title: Text("On Order"),
             leading: FaIcon(FontAwesomeIcons.shoppingCart),
             trailing: Text("${part.onOrder}"),
             onTap: null,
           )
-        )
       );
     }
 
     // Parts being built
     if (part.isAssembly) {
 
-      tiles.add(
+      tiles.add(ListTile(
-        Card(
-          child: ListTile(
             title: Text("Bill of Materials"),
             leading: FaIcon(FontAwesomeIcons.thList),
             trailing: Text("${part.bomItemCount}"),
             onTap: null,
           )
-        )
       );
 
       tiles.add(
-        Card(
+          ListTile(
-          child: ListTile(
             title: Text("Building"),
             leading: FaIcon(FontAwesomeIcons.tools),
             trailing: Text("${part.building}"),
             onTap: null,
           )
-        )
       );
     }
 
     if (part.isComponent) {
-      tiles.add(
+      tiles.add(ListTile(
-        Card(
-          child: ListTile(
             title: Text("Used In"),
             leading: FaIcon(FontAwesomeIcons.sitemap),
             trailing: Text("${part.usedInCount}"),
             onTap: null,
           )
-        )
       );
     }
 
     // Notes field?
     if (part.notes.isNotEmpty) {
       tiles.add(
-        Card(
+          ListTile(
-          child: ListTile(
             title: Text("Notes"),
             leading: FaIcon(FontAwesomeIcons.stickyNote),
             trailing: Text(""),
             onTap: null,
           )
-        )
       );
     }
 
-    tiles.add(Spacer());
-
     return tiles;
 
   }
@@ -193,9 +159,7 @@ class _PartDisplayState extends State<PartDisplayWidget> {
       ),
       drawer: new InvenTreeDrawer(context),
       body: Center(
-        child: Column(
+        child: ListView(
-          mainAxisAlignment: MainAxisAlignment.start,
-          mainAxisSize: MainAxisSize.max,
           children: partTiles(),
         ),
       )