From 1f0e1cc7ba619393dbaba49db8157851cd751414 Mon Sep 17 00:00:00 2001
From: Russell Standish <hpcoder@hpcoders.com.au>
Date: Fri, 4 Oct 2024 17:59:06 +1000
Subject: [PATCH] Added a start of an object browser.

---
 lib/objectBrowser.py       | 49 ++++++++++++++++++++++++++++++++++++++
 models/panmictic_ecolab.py |  3 +++
 2 files changed, 52 insertions(+)
 create mode 100644 lib/objectBrowser.py

diff --git a/lib/objectBrowser.py b/lib/objectBrowser.py
new file mode 100644
index 0000000..26392a8
--- /dev/null
+++ b/lib/objectBrowser.py
@@ -0,0 +1,49 @@
+import ecolab
+from tkinter import Tk,ttk,Listbox
+
+# executed when mouse clicked
+def doMethod(event):
+    listbox=event.widget
+    selectedItems=listbox.curselection()
+    if len(selectedItems)==0: return
+    index=selectedItems[0]
+    selection=listbox.get(index)
+    if selection[-1]=="▶":
+        # browse the compound object
+        member=getattr(listbox.object,selection[:-1])
+        Browser(member,selection[:-1])
+    else:
+        selection=selection.split('=')[0]
+        val=getattr(listbox.object,selection)()
+        listbox.delete(index)
+        listbox.insert(index,selection+'='+str(val))
+        listbox.itemconfigure(index,foreground='blue')
+
+class Browser:
+    def __init__(self, object, title=''):
+        if str(type(object))!="<class 'CppWrapperType'>":
+            raise RuntimeError("Cannot browse non-C++ wrapped objects")
+
+        # separate attributes into members and methods
+        members=set()
+        methods=set()
+        for m in object._list():
+            mm=m[1:].split('.')
+            if len(mm)==1:
+                methods.add(mm[0])
+            else:
+                members.add(mm[0]+"▶")
+
+        self.browser=Tk()
+        self.browser.wm_title(title)
+        listbox=Listbox(self.browser)
+        listbox.insert('end',*sorted(members))
+        listbox.insert('end',*sorted(methods))
+        for i in range(len(members)+len(methods)):
+            listbox.itemconfigure(i,foreground='red' if i<len(members) else 'blue')
+        listbox.pack(fill='both',expand=True)
+
+        listbox.object=object
+        listbox.bind('<Double-Button-1>',doMethod)
+
+    
diff --git a/models/panmictic_ecolab.py b/models/panmictic_ecolab.py
index 9810193..c65ac29 100644
--- a/models/panmictic_ecolab.py
+++ b/models/panmictic_ecolab.py
@@ -49,6 +49,9 @@ def step():
     statusBar.configure(text=f't={ecolab.tstep()} nsp:{nsp}')
     plot('No. species',ecolab.tstep(),nsp)
     plot('Density',ecolab.tstep(),ecolab.density(), pens=ecolab.species())
+
+from objectBrowser import Browser
+browser=Browser(ecolab,'ecolab')
     
 gui(step)