Files
create/src/Mod/Draft/draftguitools/gui_annotationstyleeditor.py
2020-04-17 18:51:30 +02:00

253 lines
9.2 KiB
Python

# -*- coding: utf-8 -*-
# ***************************************************************************
# * Copyright (c) 2020 Yorik van Havre <yorik@uncreated.net> *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
"""
Provides all gui and tools to create and edit annotation styles
Provides Draft_AnnotationStyleEditor command
"""
import FreeCAD,FreeCADGui
import json
EMPTYSTYLE = {
"FontName":"Sans",
"FontSize":0,
"LineSpacing":0,
"ScaleMultiplier":1,
"ShowUnit":False,
"UnitOverride":"",
"Decimals":0,
"ShowLines":True,
"LineWidth":1,
"LineColor":255,
"ArrowType":0,
"ArrowSize":0,
"DimensionOvershoot":0,
"ExtensionLines":0,
"ExtensionOvershoot":0,
}
class Draft_AnnotationStyleEditor:
def __init__(self):
self.styles = {}
def GetResources(self):
return {'Pixmap' : ":icons/Draft_AnnotationStyleEditor.svg",
'MenuText': QT_TRANSLATE_NOOP("Draft_AnnotationStyleEditor", "Annotation styles..."),
'ToolTip' : QT_TRANSLATE_NOOP("Draft_AnnotationStyleEditor", "Manage or create annotation styles")}
def IsActive(self):
return bool(FreeCAD.ActiveDocument)
def Activated(self):
from PySide import QtGui
# load dialog
self.form = FreeCADGui.PySideUic.loadUi(":/ui/dialog_AnnotationStyleEditor.ui")
# center the dialog over FreeCAD window
mw = FreeCADGui.getMainWindow()
self.form.move(mw.frameGeometry().topLeft() + mw.rect().center() - self.form.rect().center())
# set icons
self.form.pushButtonDelete.setIcon(QtGui.QIcon(":/icons/edit_Cancel.svg"))
self.form.pushButtonRename.setIcon(QtGui.QIcon(":/icons/edit_Cancel.svg"))
# fill the styles combo
self.styles = self.read_meta()
for style in self.styles.keys():
self.form.comboBoxStyles.addItem(style)
# connect signals/slots
self.form.comboBoxStyles.currentIndexChanged.connect(self.on_style_changed)
self.form.pushButtonDelete.clicked.connect(self.on_delete)
self.form.pushButtonRename.clicked.connect(self.on_rename)
for attr in EMPTYSTYLE.keys():
control = getattr(self.form,attr)
for signal in ["textChanged","valueChanged","stateChanged"]:
if hasattr(control,signal):
getattr(control,signal).connect(self.update_style)
break
# show editor dialog
result = self.form.exec_()
# process if OK was clicked
if result:
self.save_meta(self.styles)
return
def read_meta(self):
"""reads the document Meta property and returns a dict"""
styles = {}
meta = FreeCAD.ActiveDocument.Meta
for key,value in meta.items():
if key.startswith("Draft_Style_"):
styles[key[12:]] = json.loads(value)
return styles
def save_meta(self,styles):
"""saves a dict to the document Meta property and updates objects"""
# save meta
changedstyles = []
meta = FreeCAD.ActiveDocument.Meta
for key,value in styles.items():
strvalue = json.dumps(value)
if meta["Draft_Style_"+key] and (meta["Draft_Style_"+key] != strvalue):
changedstyles.append(style)
meta["Draft_Style_"+key] = strvalue
FreeCAD.ActiveDocument.Meta = meta
# propagate changes to all annotations
for obj in self.get_annotations():
if obj.ViewObject.AnnotationStyle in styles.keys():
if obj.ViewObject.AnnotationStyle in changedstyles:
for attr,attrvalue in styles[obj.ViewObject.AnnotationStyle].items():
if hasattr(obj.ViewObject,attr):
setattr(obj.ViewObject,attr,attrvalue)
else:
obj.ViewObject.AnnotationStyle = " "
obj.ViewObject.AnnotationStyle == [" "] + styles.keys()
def on_style_changed(self,index):
"""called when the styles combobox is changed"""
from PySide import QtGui
if index <= 1:
# nothing happens
self.form.pushButtonDelete.setEnabled(False)
self.form.pushButtonRename.setEnabled(False)
self.fill_editor(None)
if index == 1:
# Add new... entry
reply = QtGui.QInputDialog.getText(None, "Create new style","Style name:")
if reply[1]:
# OK or Enter pressed
name = reply[0]
if name in self.styles:
reply = QtGui.QMessageBox.information(None,"Style exists","This style name already exists")
else:
# create new default style
self.styles[name] = EMPTYSTYLE
self.form.comboBoxStyles.addItem(name)
self.form.comboBoxStyles.setCurrentIndex(self.form.comboBoxStyles.count()-1)
elif index > 1:
# Existing style
self.form.pushButtonDelete.setEnabled(True)
self.form.pushButtonRename.setEnabled(True)
self.fill_editor(self.form.comboBoxStyles.itemText(index))
def on_delete(self):
"""called when the Delete button is pressed"""
from PySide import QtGui
index = self.form.comboBox.currentIndex()
style = self.form.comboBoxStyles.itemText(index)
if self.get_style_users(style):
reply = QtGui.QMessageBox.question(None, "Style in use", "This style is used by some objects in this document. Are you sure?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.No:
return
self.form.comboBoxStyles.removeItem(index)
del self.styles[style]
def on_rename(self):
"""called when the Rename button is pressed"""
from PySide import QtGui
index = self.form.comboBox.currentIndex()
style = self.form.comboBoxStyles.itemText(index)
reply = QtGui.QInputDialog.getText(None, "Rename style","New name:",QtGui.QLineEdit.Normal,style)
if reply[1]:
# OK or Enter pressed
newname = reply[0]
self.form.comboBoxStyles.setItemText(index,newname)
value = self.styles[style]
del self.styles[style]
self.styles[newname] = value
def fill_editor(self,style):
"""fills the editor fields with the contents of a style"""
if style is None:
style = EMPTYSTYLE
for key,value in style.items():
setattr(self.form,key,value)
def update_style(self,arg=None):
"""updates the current style with the values from the editor"""
index = self.form.comboBox.currentIndex()
if index > 1:
values = {}
style = self.form.comboBoxStyles.itemText(index)
for key in EMPTYSTYLE.keys():
control = getattr(self.form,key)
for attr in ["text","value","state"]:
if hasattr(control,attr):
values[key] = getattr(control,attr)
self.styles[style] = values
def get_annotations(self):
"""gets all the objects that support annotation styles"""
users = []
for obj in FreeCAD.ActiveDocument.Objects:
vobj = obj.ViewObject
if hasattr(vobj,"AnnotationStyle"):
users.append(obj)
return users
def get_style_users(self,style):
"""get all objects using a certain style"""
users = []
for obj in self.get_annotations():
if obj.ViewObject.AnnotationStyle == style:
users.append(obj)
return users
FreeCADGui.addCommand('Draft_AnnotationStyleEditor', Draft_AnnotationStyleEditor())