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drag-and-drop highlighting

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45680 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Roman Rolinsky
2007-04-26 19:53:32 +00:00
parent c08eb1d348
commit e5b889c91e
1 changed files with 151 additions and 22 deletions
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173
wxPython/wx/tools/XRCed/tree.py
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@@ -11,6 +11,12 @@ import traceback
# Constant to define standart window name
STD_NAME = '_XRCED_T_W'
COLOUR_COMMENT = 'Blue'
COLOUR_REF = 'DarkGreen'
COLOUR_HIDDEN = 'Grey'
COLOUR_HL = 'Red'
COLOUR_DT = 'Green'
# Icons
import images
@@ -412,20 +418,24 @@ def SetMenu(m, list, shift=False):
################################################################################
class HighLightBox:
colour = None
def __init__(self, pos, size):
if not self.colour: colour = self.colour = wx.NamedColour(COLOUR_HL)
else: colour = self.colour
if size.width == -1: size.width = 0
if size.height == -1: size.height = 0
w = g.testWin.panel
l1 = wx.Window(w, -1, pos, wx.Size(size.width, 2))
l1.SetBackgroundColour(wx.RED)
l1.SetBackgroundColour(self.colour)
l2 = wx.Window(w, -1, pos, wx.Size(2, size.height))
l2.SetBackgroundColour(wx.RED)
l2.SetBackgroundColour(self.colour)
l3 = wx.Window(w, -1, wx.Point(pos.x + size.width - 2, pos.y), wx.Size(2, size.height))
l3.SetBackgroundColour(wx.RED)
l3.SetBackgroundColour(self.colour)
l4 = wx.Window(w, -1, wx.Point(pos.x, pos.y + size.height - 2), wx.Size(size.width, 2))
l4.SetBackgroundColour(wx.RED)
l4.SetBackgroundColour(self.colour)
self.lines = [l1, l2, l3, l4]
self.size = size
g.testWin.highLight = self
# Move highlight to a new position
def Replace(self, pos, size):
if size.width == -1: size.width = 0
@@ -442,6 +452,42 @@ class HighLightBox:
def Refresh(self):
map(wx.Window.Refresh, self.lines)
# Same for drop target
class HighLightDTBox(HighLightBox):
colour = None
def __init__(self, pos, size):
if not self.colour: colour = self.colour = wx.NamedColour(COLOUR_DT)
else: colour = self.colour
if size.width == -1: size.width = 0
if size.height == -1: size.height = 0
w = g.testWin.panel
l1 = wx.Window(w, -1, pos, wx.Size(size.width, 2))
l1.SetBackgroundColour(colour)
l2 = wx.Window(w, -1, pos, wx.Size(2, size.height))
l2.SetBackgroundColour(colour)
l3 = wx.Window(w, -1, wx.Point(pos.x + size.width - 2, pos.y), wx.Size(2, size.height))
l3.SetBackgroundColour(colour)
l4 = wx.Window(w, -1, wx.Point(pos.x, pos.y + size.height - 2), wx.Size(size.width, 2))
l4.SetBackgroundColour(colour)
self.lines = [l1, l2, l3, l4]
self.size = size
self.item = None
# Remove it
def Remove(self):
map(wx.Window.Destroy, self.lines)
g.testWin.highLightDT = None
def updateHL(hl, hlClass, pos, size):
if hl and hl.size == size:
hl.Remove()
hl = None
if hl:
hl.Replace(pos, size)
hl.Refresh()
else:
hl = hlClass(pos, size)
return hl
################################################################################
class XML_Tree(wx.TreeCtrl):
@@ -555,6 +601,7 @@ class XML_Tree(wx.TreeCtrl):
self.rootObj = xxxMainNode(self.dom)
self.root = self.AddRoot('XML tree', self.rootImage,
data=wx.TreeItemData(self.rootObj))
self.itemColour = self.GetItemTextColour(self.root)
self.SetItemHasChildren(self.root)
nodes = self.mainNode.childNodes[:]
for node in nodes:
@@ -587,12 +634,12 @@ class XML_Tree(wx.TreeCtrl):
data=wx.TreeItemData(xxx))
# Different color for comments and references
if xxx.className == 'comment':
self.SetItemTextColour(item, 'Blue')
self.SetItemTextColour(item, COLOUR_COMMENT)
self.SetItemFont(item, self.fontComment)
elif treeObj.ref:
self.SetItemTextColour(item, 'DarkGreen')
self.SetItemTextColour(item, COLOUR_REF)
elif treeObj.hasStyle and treeObj.params.get('hidden', False):
self.SetItemTextColour(item, 'Grey')
self.SetItemTextColour(item, COLOUR_HIDDEN)
# Try to find children objects
if treeObj.hasChildren:
nodes = treeObj.node.childNodes[:]
@@ -623,12 +670,12 @@ class XML_Tree(wx.TreeCtrl):
treeObj = xxx.treeObject()
# Different color for references and comments
if xxx.className == 'comment':
self.SetItemTextColour(newItem, 'Blue')
self.SetItemTextColour(newItem, COLOUR_COMMENT)
self.SetItemFont(newItem, self.fontComment)
elif treeObj.ref:
self.SetItemTextColour(newItem, 'DarkGreen')
self.SetItemTextColour(newItem, COLOUR_REF)
elif treeObj.hasStyle and treeObj.params.get('hidden', False):
self.SetItemTextColour(newItem, 'Grey')
self.SetItemTextColour(newItem, COLOUR_HIDDEN)
# Add children items
if xxx.hasChildren:
treeObj = xxx.treeObject()
@@ -724,6 +771,7 @@ class XML_Tree(wx.TreeCtrl):
self.UnselectAll()
self.SelectItem(evt.GetItem())
self.selectionChanging = False
g.frame.SetStatusText('')
def ChangeSelection(self, item):
# Apply changes
@@ -742,7 +790,7 @@ class XML_Tree(wx.TreeCtrl):
g.testWin.highLight.Remove()
self.needUpdate = True
status = 'Changes were applied'
g.frame.SetStatusText(status)
if status: g.frame.SetStatusText(status)
# Generate view
self.selection = item
if not self.selection.IsOk():
@@ -787,18 +835,10 @@ class XML_Tree(wx.TreeCtrl):
size = obj.GetSize()
# Highlight
# Negative positions are not working quite well
hl = g.testWin.highLight
# If highlight object has the same size SetDimension does not repaint it
# so we must remove the old HL window
if hl and hl.size == size:
hl.Remove()
hl = None
if hl:
hl.Replace(pos, size)
else:
g.testWin.highLight = hl = HighLightBox(pos, size)
hl.Refresh()
hl.item = item
g.testWin.highLight = updateHL(g.testWin.highLight, HighLightBox, pos, size)
g.testWin.highLight.item = item
def ShowTestWindow(self, item):
xxx = self.GetPyData(item)
@@ -906,6 +946,7 @@ class XML_Tree(wx.TreeCtrl):
if not g.currentEncoding:
xmlFlags != xrc.XRC_USE_LOCALE
res = xrc.XmlResource('', xmlFlags)
res.InitAllHandlers()
xrc.XmlResource.Set(res) # set as global
# Register handlers
addHandlers()
@@ -997,7 +1038,10 @@ class XML_Tree(wx.TreeCtrl):
testWin.item = item
wx.EVT_CLOSE(testWin, self.OnCloseTestWin)
wx.EVT_SIZE(testWin, self.OnSizeTestWin)
testWin.highLight = None
# Add drop target
testWin.SetDropTarget(DropTarget())
# Reset highlights
testWin.highLight = testWin.highLightDT = None
if highLight and not self.pendingHighLight:
self.HighLight(highLight)
except:
@@ -1236,3 +1280,88 @@ class XML_Tree(wx.TreeCtrl):
node.data = evt.GetLabel()
g.panel.SetData(xxx)
evt.Skip()
################################################################################
# DragAndDrop
class DropTarget(wx.PyDropTarget):
def __init__(self):
self.do = MyDataObject()
wx.DropTarget.__init__(self, self.do)
# Find best object for dropping
def WhereToDrop(self, x, y, d):
# Find object by position
obj = wx.FindWindowAtPoint(g.testWin.ClientToScreen((x,y)))
if not obj:
return wx.DragNone, ()
item = g.frame.FindObject(g.testWin.item, obj)
if not item:
return wx.DragNone, ()
xxx = g.tree.GetPyData(item).treeObject()
parentItem = None
# Check if window has a XRC sizer, then use it as parent
if obj.GetSizer():
sizer = obj.GetSizer()
sizerItem = g.frame.FindObject(g.testWin.item, sizer)
if sizerItem:
parentItem = sizerItem
obj = sizer
item = wx.TreeItemId()
# if not sizer but can have children, it is parent with free placement
elif xxx.hasChildren:
parentItem = item
item = wx.TreeItemId()
# Otherwise, try to add to item's parent
if not parentItem:
parentItem = g.tree.GetItemParent(item)
obj = g.tree.FindNodeObject(parentItem)
parent = g.tree.GetPyData(parentItem).treeObject()
return d,(obj,parent,parentItem,item)
# Drop
def OnData(self, x, y, d):
self.GetData()
id = int(self.do.GetDataHere())
d,other = self.WhereToDrop(x, y, d)
if d != wx.DragNone:
obj,parent,parentItem,item = other
g.tree.selection = parentItem
xxx = g.frame.CreateXXX(parent, parentItem, item, id)
# Set coordinates if parent is not sizer
if not parent.isSizer:
xxx.set('pos', '%d,%d' % (x, y))
g.panel.SetData(xxx)
g.frame.SetStatusText('Object created')
self.RemoveHL()
return d
def OnDragOver(self, x, y, d):
d,other = self.WhereToDrop(x, y, d)
if d != wx.DragNone:
obj,parent,parentItem,item = other
pos, size = g.tree.FindNodePos(parentItem, obj), obj.GetSize()
# Change tree item colour
hl = g.testWin.highLightDT
if hl and hl.item and hl.item != parentItem:
g.tree.SetItemTextColour(hl.item, g.tree.itemColour)
g.testWin.highLightDT = updateHL(hl, HighLightDTBox, pos, size)
g.testWin.highLightDT.item = parentItem
g.tree.SetItemTextColour(parentItem, COLOUR_DT)
g.tree.EnsureVisible(parentItem)
g.frame.SetStatusText('Drop target: %s' % parent.treeName())
else:
g.frame.SetStatusText('Inappropriate drop target')
self.RemoveHL()
return d
def OnLeave(self):
self.RemoveHL()
def RemoveHL(self):
hl = g.testWin.highLightDT
if hl:
if hl.item: g.tree.SetItemTextColour(hl.item, g.tree.itemColour)
hl.Remove()