[PythonReports-checkins] PythonReports/PythonReports design.py, 1.15, 1.16
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[PythonReports-checkins] PythonReports/PythonReports design.py, 1.15, 1.16
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From: alexander s. <a1...@us...> - 2006-12-07 19:48:18
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Update of /cvsroot/pythonreports/PythonReports/PythonReports In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv10838 Modified Files: design.py Log Message: CodeSelection: always have an empty value in the list; edit data block contents Index: design.py =================================================================== RCS file: /cvsroot/pythonreports/PythonReports/PythonReports/design.py,v retrieving revision 1.15 retrieving revision 1.16 diff -C2 -d -r1.15 -r1.16 *** design.py 7 Dec 2006 11:17:27 -0000 1.15 --- design.py 7 Dec 2006 19:48:09 -0000 1.16 *************** *** 5,8 **** --- 5,10 ---- """PythonReports Template Designer""" """History (most recent first): + 07-dec-2006 [als] CodeSelection: always have an empty value in the list; + edit data block contents 07-dec-2006 [als] write printouts 06-dec-2006 [als] rebuild insertion menu each time selected node tag changes: *************** *** 340,343 **** --- 342,349 ---- self.values = kw.pop("values", ()) ComboBox.__init__(self, master=master, cnf=cnf, **kw) + # we always allow empty value here. + # tree validation will check for mandatory attributes elsewhere + if "" not in self.values: + self.insert("end", "") for _val in self.values: self.insert("end", _val) *************** *** 538,541 **** --- 544,676 ---- return _rv + class DataBlockEditor(Frame): + + """PropertyEditor-alike editor for data block contents""" + + # Same As in PropertyEntry + if os.name == "nt": + LPAD = 3 + else: + LPAD = 7 + + def __init__(self, data, master=None, cnf={}, **kw): + """Create editor frame + + Parameters: + data: editor data object. must have following properties: + node: containing TreeNodeData object + contents: data block contents + filename: keeps the name of load/save file + across instantiations + filepath: ditto, for default file directory + + """ + # pylint: disable-msg=W0102 + Frame.__init__(self, master, cnf, **kw) + _toplevel = self.winfo_toplevel() + self["background"] = _toplevel.color_panel + self._ = self.winfo_toplevel()._ + self.data = data + # layout + Frame(self, width=self.LPAD).pack(side=LEFT) + _btn_frame = Frame(self) + _btn_frame.pack(side=TOP) + self.btn_load = Button(_btn_frame, text=self._("Load File..."), + command=self.loadFile) + self.btn_load.pack(side=LEFT, padx=2) + self.btn_save = Button(_btn_frame, text=self._("Save File..."), + command=self.saveFile) + self.btn_save.pack(side=LEFT, padx=2) + self.text = Text(self, background=_toplevel.color_window) + self.updateState() + self.bind("<FocusIn>", lambda event: self.updateState()) + self.bind("<FocusOut>", lambda event: self.textToContents()) + + def isBinary(self): + """Return True if data contents seem to be binary + + If the element has non-empty compression or encoding, + the data is not editable in the text window. + + WARNING: the caller must ensure that element attributes + are updated from peer property editors. + + """ + _element = self.data.node.element + return bool(_element.get("compress") or _element.get("encoding")) + + def textToContents(self): + """If data is textual, update data contents from the text window""" + if not self.isBinary(): + # the text widget adds one line feed, + # but i'd like to trim all trailing space + self.data.contents = self.text.get("1.0", "end").rstrip() + + def updateState(self): + """Set text contents and visibility, disable save if text is empty""" + self.data.node.updateAttributes() + _text = self.text + _binary_data = self.isBinary() + if _binary_data: + _text.pack_forget() + else: + _text.pack_configure(side=LEFT, fill=X) + if self.data.contents != _text.get("1.0", "end"): + _text.delete("1.0", "end") + _text.insert("1.0", self.data.contents or "") + _text.mark_set("insert", "1.0") + _text.mark_set("sel_first", "1.0") + _text.mark_set("sel_last", "end") + # disable save button if data is empty + self.btn_save["state"] = ("disabled", "normal")[not _binary_data + or bool(self.data.contents)] + + def loadFile(self): + """Load file contents into the variable""" + _filename = tkFileDialog.askopenfilename( + initialfile=self.data.filename, + initialdir=(self.data.filepath or os.getcwd()), + filetypes=[(self._("All Files"), "*")]) + if not _filename: + return + _binary_data = self.isBinary() + _file = open(_filename, ("rU", "rb")[_binary_data]) + _contents = _file.read() + _file.close() + if not _binary_data: + # FIXME: encoding should be designer property (probably changeable) + _contents = _contents.decode("utf-8") + self.data.contents = _contents + self.setFileName(_filename) + self.updateState() + + def saveFile(self): + """Save variable contents to disk file""" + _filename = tkFileDialog.asksaveasfilename( + initialfile=self.data.filename, + initialdir=(self.data.filepath or os.getcwd()), + filetypes=[(self._("All Files"), "*")]) + if not _filename: + return + if self.isBinary(): + _file_mode = "wb" + _contents = self.data.contents + else: + self.textToContents() + _file_mode = "wt" + # FIXME: encoding should be designer property (probably changeable) + _contents = unicode(self.data.contents).encode("utf-8") + # add terminating newline for conveninence + _contents += "\n" + _file = open(_filename, _file_mode) + _file.write(_contents) + _file.close() + self.setFileName(_filename) + + def setFileName(self, filename): + """Update default file path after successful load or save""" + self.data.filename = filename + self.data.filepath = os.path.dirname(filename) + # data objects *************** *** 640,654 **** element=_child, validator=_child_validators[_tag])) # attribute edit support _properties = [] ! for (_name, (_cls, _default)) in validator.attributes.iteritems(): _properties.append(PropertyData(name=_name, type=_cls, ! default=_default, element=element, box=False)) if self.is_printable or self.is_section: # we need a box element. if there's no box, add default one ! _box = element.find("box") _box_attrs = prt.Box.attributes if _box is None: ! _box = SubElement(element, "box", attrib=dict((_name, _default) ! for (_name, (_cls, _default)) in _box_attrs.iteritems())) if self.is_printable: for (_name, (_cls, _default)) in _box_attrs.iteritems(): --- 775,806 ---- element=_child, validator=_child_validators[_tag])) # attribute edit support + self.properties = self._build_properties() + # if this is data element, make a structure for contents editing + if self.tag == "data": + self.data = PropertyData(node=self, + contents=Data.get_data(self.element), + filename="", filepath="") + else: + self.data = None + + def _build_properties(self): + """Return a sorted tuple of PropertyData objects + + This is part of the TreeNodeData initialization. + + """ _properties = [] ! for (_name, (_cls, _default)) in self.validator.attributes.iteritems(): _properties.append(PropertyData(name=_name, type=_cls, ! default=_default, element=self.element, box=False)) if self.is_printable or self.is_section: # we need a box element. if there's no box, add default one ! _box = self.element.find("box") _box_attrs = prt.Box.attributes if _box is None: ! _box = SubElement(self.element, "box", ! attrib=dict((_name, _default) ! for (_name, (_cls, _default)) ! in _box_attrs.iteritems())) if self.is_printable: for (_name, (_cls, _default)) in _box_attrs.iteritems(): *************** *** 671,675 **** _val = unicode(_val) _prop.var.set(_val) ! # TODO: it is possible to add a write callback to the var # and update the element attribute as soon as the value # is changed in the editor. --- 823,827 ---- _val = unicode(_val) _prop.var.set(_val) ! # TODO? it is possible to add a write callback to the var # and update the element attribute as soon as the value # is changed in the editor. *************** *** 678,683 **** _properties.sort( key=lambda prop: (prop.box, not prop.mandatory, prop.name)) ! # XXX does the properties container need to be a dictionary? ! self.properties = tuple(_properties) def addToTree(self, tree, before=None): --- 830,834 ---- _properties.sort( key=lambda prop: (prop.box, not prop.mandatory, prop.name)) ! return tuple(_properties) def addToTree(self, tree, before=None): *************** *** 718,732 **** hlist.item_create(_prop.name, 1, itemtype=WINDOW, window=_win, style=self.PROP_VALUE_STYLE) # grow the first column if needed _col_width = max(_col_width, int(hlist.column_width(0))) hlist.column_width(0, _col_width) ! def updateProperties(self, recursive=False, errors="strict"): ! """Load property values from Tkinter variables Parameters: - recursive: if set, also update children errors: error handling scheme: "strict" or "ignore". """ _element = self.element --- 869,894 ---- hlist.item_create(_prop.name, 1, itemtype=WINDOW, window=_win, style=self.PROP_VALUE_STYLE) + # if this is a data element, add nonstandard controls + if self.data: + hlist.add("data") + _win = DataBlockEditor(self.data, hlist, background=_window_color) + hlist.item_create("data", 1, itemtype=WINDOW, window=_win, + style=self.PROP_VALUE_STYLE) # grow the first column if needed _col_width = max(_col_width, int(hlist.column_width(0))) hlist.column_width(0, _col_width) ! def updateAttributes(self, errors="ignore"): ! """Load element attributes from edit variables Parameters: errors: error handling scheme: "strict" or "ignore". + Unlike updateProperties method (defined below), + updateAttributes sets only attributes of current + node element and its' box. It does not touch + contents for data elements and never descends + down the tree. + """ _element = self.element *************** *** 740,747 **** raise AttributeConversionError(_prop.name, _val, _err, element=_element, path=self.path) ! if (_box is not None) and (_prop.name in Box.__slots__): _box.set(_prop.name, _val) else: _element.set(_prop.name, _val) if recursive: for _child in self: --- 902,926 ---- raise AttributeConversionError(_prop.name, _val, _err, element=_element, path=self.path) ! if _prop.box: ! # the box must be valid element - created in __init__ if needed _box.set(_prop.name, _val) else: _element.set(_prop.name, _val) + + def updateProperties(self, recursive=False, errors="strict"): + """Load property values from Tkinter variables + + Parameters: + recursive: if set, also update children + errors: error handling scheme: "strict" or "ignore". + + """ + self.updateAttributes() + if self.data: + _parent = self.parent.element + _new = Data.make_element(_parent, + self.element.attrib, self.data.contents) + _parent.remove(self.element) + self.element = _new if recursive: for _child in self: |
