Code cleaning: whitespaces, -1/wxID_ANY/wxDefaultCoord, TRUE/true, FALSE/false, ...

[wxWidgets.git] / wxPython / wx / tools / XRCed / undo.py

diff --git a/wxPython/wx/tools/XRCed/undo.py b/wxPython/wx/tools/XRCed/undo.py
index 60f7f02a28aa1320dc64314b5a0d6b1b6d093d41..ef9083cdc73aa550a7273132025d0bd75326b31b 100644 (file)
--- a/wxPython/wx/tools/XRCed/undo.py
+++ b/wxPython/wx/tools/XRCed/undo.py
@@ -1,8 +1,151 @@
+# Name:         undo.py
+# Purpose:      XRC editor, undo/redo module
+# Author:       Roman Rolinsky <rolinsky@mema.ucl.ac.be>
+# Created:      01.12.2002
+# RCS-ID:       $Id$
 
-"""Renamer stub: provides a way to drop the wx prefix from wxPython objects."""
+from globals import *
+#from panel import *
 
-from wx import _rename
-from wxPython.tools.XRCed import undo
-_rename(globals(), undo.__dict__, modulename='tools.XRCed.undo')
-del undo
-del _rename
+# Undo/redo classes
+class UndoManager:
+    # Undo/redo stacks
+    undo = []
+    redo = []
+    def RegisterUndo(self, undoObj):
+        self.undo.append(undoObj)
+        for i in self.redo: i.destroy()
+        self.redo = []
+    def Undo(self):
+        undoObj = self.undo.pop()
+        undoObj.undo()
+        self.redo.append(undoObj)
+        g.frame.modified = True
+        g.frame.SetStatusText('Undone')
+    def Redo(self):
+        undoObj = self.redo.pop()
+        undoObj.redo()
+        self.undo.append(undoObj)
+        g.frame.modified = True
+        g.frame.SetStatusText('Redone')
+    def Clear(self):
+        for i in self.undo: i.destroy()
+        self.undo = []
+        for i in self.redo: i.destroy()
+        self.redo = []
+    def CanUndo(self):
+        return not not self.undo
+    def CanRedo(self):
+        return not not self.redo
+
+class UndoCutDelete:
+    def __init__(self, itemIndex, parent, elem):
+        self.itemIndex = itemIndex
+        self.parent = parent
+        self.elem = elem
+    def destroy(self):
+        if self.elem: self.elem.unlink()
+    def undo(self):
+        item = g.tree.InsertNode(g.tree.ItemAtFullIndex(self.itemIndex[:-1]),
+                                 self.parent, self.elem,
+                                 g.tree.ItemAtFullIndex(self.itemIndex))
+        # Scroll to show new item (!!! redundant?)
+        g.tree.EnsureVisible(item)
+        g.tree.SelectItem(item)
+        self.elem = None
+        # Update testWin if needed
+        if g.testWin and g.tree.IsHighlatable(item):
+            if g.conf.autoRefresh:
+                g.tree.needUpdate = True
+                g.tree.pendingHighLight = item
+            else:
+                g.tree.pendingHighLight = None
+    def redo(self):
+        item = g.tree.ItemAtFullIndex(self.itemIndex)
+        # Delete testWin?
+        if g.testWin:
+            # If deleting top-level item, delete testWin
+            if item == g.testWin.item:
+                g.testWin.Destroy()
+                g.testWin = None
+            else:
+                # Remove highlight, update testWin
+                if g.testWin.highLight:
+                    g.testWin.highLight.Remove()
+                g.tree.needUpdate = True
+        self.elem = g.tree.RemoveLeaf(item)
+        g.tree.Unselect()
+        g.panel.Clear()
+
+class UndoPasteCreate:
+    def __init__(self, itemParent, parent, item, selected):
+        self.itemParentIndex = g.tree.ItemFullIndex(itemParent)
+        self.parent = parent
+        self.itemIndex = g.tree.ItemFullIndex(item) # pasted item
+        self.selectedIndex = g.tree.ItemFullIndex(selected) # maybe different from item
+        self.elem = None
+    def destroy(self):
+        if self.elem: self.elem.unlink()
+    def undo(self):
+        self.elem = g.tree.RemoveLeaf(g.tree.ItemAtFullIndex(self.itemIndex))
+        # Restore old selection
+        selected = g.tree.ItemAtFullIndex(self.selectedIndex)
+        g.tree.EnsureVisible(selected)
+        g.tree.SelectItem(selected)
+        # Delete testWin?
+        if g.testWin:
+            # If deleting top-level item, delete testWin
+            if selected == g.testWin.item:
+                g.testWin.Destroy()
+                g.testWin = None
+            else:
+                # Remove highlight, update testWin
+                if g.testWin.highLight:
+                    g.testWin.highLight.Remove()
+                g.tree.needUpdate = True
+    def redo(self):
+        item = g.tree.InsertNode(g.tree.ItemAtFullIndex(self.itemParentIndex),
+                                 self.parent, self.elem,
+                                 g.tree.ItemAtFullIndex(self.itemIndex))
+        # Scroll to show new item
+        g.tree.EnsureVisible(item)
+        g.tree.SelectItem(item)
+        self.elem = None
+        # Update testWin if needed
+        if g.testWin and g.tree.IsHighlatable(item):
+            if g.conf.autoRefresh:
+                g.tree.needUpdate = True
+                g.tree.pendingHighLight = item
+            else:
+                g.tree.pendingHighLight = None
+
+class UndoEdit:
+    def __init__(self):
+        self.pages = map(ParamPage.GetState, g.panel.pages)
+        self.selectedIndex = g.tree.ItemFullIndex(g.tree.GetSelection())
+    def destroy(self):
+        pass
+    # Update test view
+    def update(self, selected):
+        g.tree.Apply(g.tree.GetPyData(selected), selected)
+        # Update view
+        if g.testWin:
+            if g.testWin.highLight:
+                g.testWin.highLight.Remove()
+            g.tree.pendingHighLight = selected
+        if g.testWin:
+            g.tree.needUpdate = True
+    def undo(self):
+        # Restore selection
+        selected = g.tree.ItemAtFullIndex(self.selectedIndex)
+        if selected != g.tree.GetSelection():
+            g.tree.SelectItem(selected)
+        # Save current state for redo
+        map(ParamPage.SaveState, g.panel.pages)
+        pages = map(ParamPage.GetState, g.panel.pages)
+        map(ParamPage.SetState, g.panel.pages, self.pages)
+        self.pages = pages
+        self.update(selected)
+    def redo(self):
+        self.undo()
+        self.update(g.tree.GetSelection())