mirror of
https://github.com/panda3d/panda3d.git
synced 2025-09-29 16:20:11 -04:00
*** empty log message ***
This commit is contained in:
Mark Mine
parent
e79f41c039
commit
6ef606cbc8
@ -4,347 +4,6 @@ from Tree import *
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import Pmw
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# Initialize icon directory
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f = Filename('icons')
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f.resolveFilename(getModelPath())
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ICONDIR = f.toOsSpecific()
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if not os.path.isdir(ICONDIR):
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raise RuntimeError, "can't find DIRECT icon directory (%s)" % `ICONDIR`
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class TreeNode:
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def __init__(self, canvas, parent, item, menuList = []):
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self.canvas = canvas
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self.parent = parent
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self.item = item
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self.state = 'collapsed'
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self.selected = 0
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self.children = {}
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self.kidKeys = []
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self.x = self.y = None
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self.iconimages = {} # cache of PhotoImage instances for icons
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self.menuList = menuList
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self.menuVar = IntVar()
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self.menuVar.set(0)
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self._popupMenu = None
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if self.menuList:
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self._popupMenu = Menu(self.canvas, tearoff = 0)
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for i in range(len(self.menuList)):
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item = self.menuList[i]
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self._popupMenu.add_radiobutton(
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label = item,
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variable = self.menuVar,
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value = i,
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indicatoron = 0,
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command = self.popupMenuCommand)
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def destroy(self):
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for key in self.kidKeys:
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c = self.children[key]
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del self.children[key]
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c.destroy()
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self.parent = None
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def geticonimage(self, name):
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try:
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return self.iconimages[name]
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except KeyError:
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pass
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file, ext = os.path.splitext(name)
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ext = ext or ".gif"
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fullname = os.path.join(ICONDIR, file + ext)
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image = PhotoImage(master=self.canvas, file=fullname)
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self.iconimages[name] = image
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return image
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def select(self, event=None):
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if self.selected:
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return
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self.deselectall()
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self.selected = 1
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self.canvas.delete(self.image_id)
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self.drawicon()
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self.drawtext()
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self.item.OnSelect()
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def deselect(self, event=None):
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if not self.selected:
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return
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self.selected = 0
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self.canvas.delete(self.image_id)
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self.drawicon()
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self.drawtext()
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def deselectall(self):
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if self.parent:
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self.parent.deselectall()
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else:
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self.deselecttree()
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def deselecttree(self):
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if self.selected:
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self.deselect()
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for key in self.kidKeys:
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child = self.children[key]
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child.deselecttree()
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def flip(self, event=None):
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if self.state == 'expanded':
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self.collapse()
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else:
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self.expand()
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self.item.OnDoubleClick()
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return "break"
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def selectAndPopupMenu(self, event=None):
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self.select()
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if self._popupMenu:
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self._popupMenu.post(event.widget.winfo_pointerx(),
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event.widget.winfo_pointery())
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return "break"
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def popupMenuCommand(self):
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self.item.MenuCommand(self.menuList[self.menuVar.get()])
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def expand(self, event=None):
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if not self.item._IsExpandable():
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return
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if self.state != 'expanded':
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self.state = 'expanded'
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self.update()
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self.view()
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def collapse(self, event=None):
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if self.state != 'collapsed':
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self.state = 'collapsed'
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self.update()
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def view(self):
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top = self.y - 2
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bottom = self.lastvisiblechild().y + 17
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height = bottom - top
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visible_top = self.canvas.canvasy(0)
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visible_height = self.canvas.winfo_height()
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visible_bottom = self.canvas.canvasy(visible_height)
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if visible_top <= top and bottom <= visible_bottom:
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return
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x0, y0, x1, y1 = self.canvas._getints(self.canvas['scrollregion'])
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if top >= visible_top and height <= visible_height:
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fraction = top + height - visible_height
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else:
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fraction = top
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fraction = float(fraction) / y1
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self.canvas.yview_moveto(fraction)
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def lastvisiblechild(self):
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if self.kidKeys and self.state == 'expanded':
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return self.children[self.kidKeys[-1]].lastvisiblechild()
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else:
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return self
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def update(self):
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if self.parent:
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self.parent.update()
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else:
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oldcursor = self.canvas['cursor']
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self.canvas['cursor'] = "watch"
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self.canvas.update()
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self.canvas.delete(ALL) # XXX could be more subtle
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self.draw(7, 2)
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x0, y0, x1, y1 = self.canvas.bbox(ALL)
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self.canvas.configure(scrollregion=(0, 0, x1, y1))
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self.canvas['cursor'] = oldcursor
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def draw(self, x, y):
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# XXX This hard-codes too many geometry constants!
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self.x, self.y = x, y
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self.drawicon()
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self.drawtext()
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if self.state != 'expanded':
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return y+17
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# draw children
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#if not self.children:
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#self.children = []
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sublist = self.item._GetSubList()
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if not sublist:
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# _IsExpandable() was mistaken; that's allowed
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return y+17
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self.kidKeys = []
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for item in sublist:
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key = item.nodePath.id()
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if self.children.has_key(key):
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child = self.children[key]
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else:
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child = TreeNode(self.canvas, self, item, self.menuList)
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self.children[key] = child
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cx = x+20
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cy = y+17
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cylast = 0
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for key in self.kidKeys:
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child = self.children[key]
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cylast = cy
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self.canvas.create_line(x+9, cy+7, cx, cy+7, fill="gray50")
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cy = child.draw(cx, cy)
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if child.item._IsExpandable():
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if child.state == 'expanded':
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iconname = "minusnode"
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callback = child.collapse
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else:
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iconname = "plusnode"
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callback = child.expand
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image = self.geticonimage(iconname)
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id = self.canvas.create_image(x+9, cylast+7, image=image)
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# XXX This leaks bindings until canvas is deleted:
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self.canvas.tag_bind(id, "<1>", callback)
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self.canvas.tag_bind(id, "<Double-1>", lambda x: None)
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id = self.canvas.create_line(x+9, y+10, x+9, cylast+7,
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##stipple="gray50", # XXX Seems broken in Tk 8.0.x
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fill="gray50")
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self.canvas.tag_lower(id) # XXX .lower(id) before Python 1.5.2
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return cy
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def drawicon(self):
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if self.selected:
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imagename = (self.item.GetSelectedIconName() or
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self.item.GetIconName() or
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"openfolder")
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else:
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imagename = self.item.GetIconName() or "folder"
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image = self.geticonimage(imagename)
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id = self.canvas.create_image(self.x, self.y, anchor="nw", image=image)
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self.image_id = id
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self.canvas.tag_bind(id, "<1>", self.select)
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self.canvas.tag_bind(id, "<Double-1>", self.flip)
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self.canvas.tag_bind(id, "<3>", self.selectAndPopupMenu)
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def drawtext(self):
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textx = self.x+20-1
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texty = self.y-1
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labeltext = self.item.GetLabelText()
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if labeltext:
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id = self.canvas.create_text(textx, texty, anchor="nw",
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text=labeltext)
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self.canvas.tag_bind(id, "<1>", self.select)
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self.canvas.tag_bind(id, "<Double-1>", self.flip)
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self.canvas.tag_bind(id, "<3>", self.selectAndPopupMenu)
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x0, y0, x1, y1 = self.canvas.bbox(id)
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textx = max(x1, 200) + 10
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text = self.item.GetText() or "<no text>"
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try:
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self.entry
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except AttributeError:
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pass
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else:
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self.edit_finish()
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try:
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label = self.label
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except AttributeError:
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# padding carefully selected (on Windows) to match Entry widget:
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self.label = Label(self.canvas, text=text, bd=0, padx=2, pady=2)
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if self.selected:
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self.label.configure(fg="white", bg="darkblue")
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else:
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self.label.configure(fg="black", bg="white")
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id = self.canvas.create_window(textx, texty,
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anchor="nw", window=self.label)
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self.label.bind("<1>", self.select_or_edit)
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self.label.bind("<Double-1>", self.flip)
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self.text_id = id
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def select_or_edit(self, event=None):
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if self.selected and self.item.IsEditable():
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self.edit(event)
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else:
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self.select(event)
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def edit(self, event=None):
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self.entry = Entry(self.label, bd=0, highlightthickness=1, width=0)
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self.entry.insert(0, self.label['text'])
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self.entry.selection_range(0, END)
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self.entry.pack(ipadx=5)
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self.entry.focus_set()
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self.entry.bind("<Return>", self.edit_finish)
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self.entry.bind("<Escape>", self.edit_cancel)
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def edit_finish(self, event=None):
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try:
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entry = self.entry
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del self.entry
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except AttributeError:
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return
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text = entry.get()
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entry.destroy()
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if text and text != self.item.GetText():
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self.item.SetText(text)
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text = self.item.GetText()
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self.label['text'] = text
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self.drawtext()
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self.canvas.focus_set()
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def edit_cancel(self, event=None):
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self.drawtext()
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self.canvas.focus_set()
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class TreeItem:
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"""Abstract class representing tree items.
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Methods should typically be overridden, otherwise a default action
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is used.
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"""
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def __init__(self):
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"""Constructor. Do whatever you need to do."""
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def GetText(self):
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"""Return text string to display."""
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def GetLabelText(self):
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"""Return label text string to display in front of text (if any)."""
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expandable = None
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def _IsExpandable(self):
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"""Do not override! Called by TreeNode."""
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if self.expandable is None:
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self.expandable = self.IsExpandable()
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return self.expandable
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def IsExpandable(self):
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"""Return whether there are subitems."""
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return 1
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def _GetSubList(self):
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"""Do not override! Called by TreeNode."""
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if not self.IsExpandable():
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return []
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sublist = self.GetSubList()
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return sublist
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def IsEditable(self):
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"""Return whether the item's text may be edited."""
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def SetText(self, text):
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"""Change the item's text (if it is editable)."""
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def GetIconName(self):
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"""Return name of icon to be displayed normally."""
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def GetSelectedIconName(self):
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"""Return name of icon to be displayed when selected."""
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def GetSubList(self):
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"""Return list of items forming sublist."""
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def OnDoubleClick(self):
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"""Called on a double-click on the item."""
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def OnSelect(self):
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"""Called when item selected."""
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class SceneGraphExplorer(Pmw.MegaWidget):
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"Graphical display of a scene graph"
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def __init__(self, root = render, parent = None, **kw):
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@ -386,7 +45,7 @@ class SceneGraphExplorer(Pmw.MegaWidget):
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self._treeItem = SceneGraphExplorerItem(self.root)
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self._node = TreeNode(self._canvas, None, self._treeItem,
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['SGESelect'])
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['Select Node'])
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self._node.expand()
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# Check keywords and initialise options based on input values.
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@ -451,7 +110,7 @@ class SceneGraphExplorerItem(TreeItem):
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return sublist
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def MenuCommand(self, command):
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if (command == 'SGESelect'):
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if (command == 'Select Node'):
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messenger.send('SGESelectNodePath', [self.nodePath])
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@ -36,7 +36,8 @@ class TreeNode:
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self.item = item
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self.state = 'collapsed'
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self.selected = 0
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self.children = []
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self.children = {}
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self.kidKeys = []
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self.x = self.y = None
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self.iconimages = {} # cache of PhotoImage instances for icons
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self.menuList = menuList
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@ -55,8 +56,9 @@ class TreeNode:
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command = self.popupMenuCommand)
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def destroy(self):
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for c in self.children[:]:
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self.children.remove(c)
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for key in self.kidKeys:
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c = self.children[key]
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del self.children[key]
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c.destroy()
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self.parent = None
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@ -99,7 +101,8 @@ class TreeNode:
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def deselecttree(self):
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if self.selected:
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self.deselect()
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for child in self.children:
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for key in self.kidKeys:
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child = self.children[key]
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child.deselecttree()
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def flip(self, event=None):
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@ -121,7 +124,7 @@ class TreeNode:
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self.item.MenuCommand(self.menuList[self.menuVar.get()])
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def expand(self, event=None):
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if not self.item._IsExpandable():
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if not self.item.IsExpandable():
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return
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if self.state != 'expanded':
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self.state = 'expanded'
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@ -151,8 +154,8 @@ class TreeNode:
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self.canvas.yview_moveto(fraction)
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def lastvisiblechild(self):
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if self.children and self.state == 'expanded':
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return self.children[-1].lastvisiblechild()
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if self.kidKeys and self.state == 'expanded':
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return self.children[self.kidKeys[-1]].lastvisiblechild()
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else:
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return self
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@ -178,22 +181,29 @@ class TreeNode:
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return y+17
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# draw children
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#if not self.children:
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#self.children = []
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sublist = self.item._GetSubList()
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if not sublist:
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# _IsExpandable() was mistaken; that's allowed
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# IsExpandable() was mistaken; that's allowed
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return y+17
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#self.children = []
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self.kidKeys = []
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for item in sublist:
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child = TreeNode(self.canvas, self, item, self.menuList)
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self.children.append(child)
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key = item.nodePath.id()
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if self.children.has_key(key):
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child = self.children[key]
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else:
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child = TreeNode(self.canvas, self, item, self.menuList)
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self.children[key] = child
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self.kidKeys.append(key)
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cx = x+20
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cy = y+17
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cylast = 0
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for child in self.children:
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for key in self.kidKeys:
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child = self.children[key]
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cylast = cy
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self.canvas.create_line(x+9, cy+7, cx, cy+7, fill="gray50")
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cy = child.draw(cx, cy)
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if child.item._IsExpandable():
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if child.item.IsExpandable():
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if child.state == 'expanded':
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iconname = "minusnode"
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callback = child.collapse
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@ -312,14 +322,6 @@ class TreeItem:
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def GetLabelText(self):
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"""Return label text string to display in front of text (if any)."""
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expandable = None
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def _IsExpandable(self):
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"""Do not override! Called by TreeNode."""
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if self.expandable is None:
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self.expandable = self.IsExpandable()
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return self.expandable
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def IsExpandable(self):
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"""Return whether there are subitems."""
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return 1
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@ -329,8 +331,6 @@ class TreeItem:
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if not self.IsExpandable():
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return []
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sublist = self.GetSubList()
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if not sublist:
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self.expandable = 0
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return sublist
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def IsEditable(self):
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@ -354,3 +354,5 @@ class TreeItem:
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def OnSelect(self):
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"""Called when item selected."""
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