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Qt4_GUIBuilder.py
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#
# Project: MXCuBE
# https://github.com/mxcube.
#
# This file is part of MXCuBE software.
#
# MXCuBE is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# MXCuBE 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with MXCuBE. If not, see <http://www.gnu.org/licenses/>.
import os
import re
import sys
import imp
import types
import weakref
import logging
import subprocess
from PyQt4 import QtCore
from PyQt4 import QtGui
import BlissFramework
from BlissFramework import Qt4_Configuration
from BlissFramework import Qt4_Icons
from BlissFramework.Utils import Qt4_PropertyEditor
from BlissFramework.Utils import Qt4_ConnectionEditor
from BlissFramework.Bricks import Qt4_LogViewBrick
from BlissFramework.Qt4_BaseLayoutItems import ContainerCfg
from BlissFramework.Utils import Qt4_GUIDisplay
try:
from HardwareRepository import HardwareRepository
except ImportError:
logging.getLogger().warning("no Hardware Repository client module could be found")
#else:
# from HardwareRepository import HardwareRepositoryBrowser
class HorizontalSpacer(QtGui.QWidget):
"""
Descript. :
"""
def __init__(self, *args, **kwargs):
"""
Descript. :
"""
QtGui.QWidget.__init__(self, *args)
h_size = kwargs.get("size", None)
if h_size is not None:
self.setFixedWidth(h_size)
self.setSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)
else:
self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Fixed)
class MyListView(QtGui.QListWidget):
"""
Descript. :
"""
def __init__(self, *args):
"""
Descript. :
"""
QtGui.QListView.__init__(self, *args)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
self.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
def addToolTip(self, item, text):
"""
Descript. :
"""
self.setToolTip(text)
class GUITreeWidget(QtGui.QTreeWidget):
"""
Descript. :
"""
def __init__(self, *args):
"""
Descript. :
"""
QtGui.QTreeWidget.__init__(self, *args)
self._presspos = None
self._mousePressed = False
self.setColumnCount(2)
self.setColumnWidth(0, 200)
self.setColumnWidth(1, 200)
self.setHeaderLabels(["Element", "Type"])
self.setAcceptDrops(True)
self.viewport().setAcceptDrops(True)
self.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
self.setItemsExpandable(True)
self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
self.drag_source_item = None
self.drag_target_item = None
def dragEnterEvent(self, event):
"""
Descript. :
"""
self.drag_source_item = self.itemAt(event.pos())
event.accept()
def dropEvent(self, event):
"""
Descript. :
"""
self.drag_target_item = self.itemAt(event.pos())
if self.drag_source_item and self.drag_target_item:
self.emit(QtCore.SIGNAL("dragdrop"), self.drag_source_item, self.drag_target_item)
event.accept()
class ToolboxWindow(QtGui.QWidget):
"""
Descript. :
"""
def __init__(self, *args, **kwargs):
"""
Descript. :
"""
QtGui.QWidget.__init__(self, *args)
# Internal variables --------------------------------------------------
self.bricks_tab_dict = {}
self.bricks_dict = {}
# Graphic elements ----------------------------------------------------
_top_frame = QtGui.QFrame(self)
_refresh_toolbutton = QtGui.QToolButton(_top_frame)
_refresh_toolbutton.setIcon(QtGui.QIcon(Qt4_Icons.load("reload")))
self.setToolTip("refresh bricks list")
self._bricks_toolbox = QtGui.QToolBox(self)
# Layout --------------------------------------------------------------
_main_vlayout = QtGui.QVBoxLayout()
_main_vlayout.addWidget(QtGui.QLabel("Available bricks", _top_frame))
_main_vlayout.addWidget(_refresh_toolbutton)
_main_vlayout.addWidget(self._bricks_toolbox)
_main_vlayout.setSpacing(0)
_main_vlayout.setContentsMargins(0,0,0,0)
self.setLayout(_main_vlayout)
# SizePolicies --------------------------------------------------------
# Qt signal/slot connections ------------------------------------------
_refresh_toolbutton.clicked.connect(self.refresh_clicked)
# Other ---------------------------------------------------------------
self.setWindowTitle("Toolbox")
def addBrickTab(self, name):
"""
Descript. : Add a new brick tab called 'name'
"""
newBricksList = MyListView(self._bricks_toolbox)
newBricksList.itemDoubleClicked.connect(self.brick_selected)
self._bricks_toolbox.addItem(newBricksList, name)
self.bricks_tab_dict[name] = newBricksList
return newBricksList
def refresh_clicked(self):
"""
Descript. : Refresh bricks window
"""
while self._bricks_toolbox.currentWidget():
self._bricks_toolbox.removeItem(self._bricks_toolbox.currentIndex())
self.bricks_dict = {}
self.bricks_tab_dict = {}
map(self.addBricks, (BlissFramework.getStdBricksPath(), ) + \
tuple(BlissFramework.getCustomBricksDirs()))
def brickTextLabel(self, brickName):
"""
Descript. :
"""
if brickName.endswith("Brick"):
brickTextLabel = brickName[:-5]
else:
brickTextLabel = brickName
for i in range(len(brickTextLabel)):
if brickTextLabel[i].isalpha() or brickTextLabel[i].isdigit():
if i > 0 and brickTextLabel[i].isupper() and brickTextLabel[i-1].islower():
brickTextLabel = brickTextLabel[0:i] + " " + brickTextLabel[i].lower() + brickTextLabel[i+1:]
else:
brickTextLabel=brickTextLabel[0:i]+" "+brickTextLabel[i+1:]
return brickTextLabel
def addBricks(self, brickDir):
"""
Descript. : Add the bricks found in the 'brickDir' directory to the
bricks tab widget"""
findCategoryRE = re.compile("^__category__\s*=\s*['\"](.*)['\"]$", re.M)
findDocstringRE = re.compile('^"""(.*?)"""?$', re.M | re.S)
full_filenames = []
for fileordir in os.listdir(brickDir) :
full_path = os.path.join(brickDir,fileordir)
if os.path.isdir(full_path) :
path_with_trunk = os.path.join(full_path,'trunk') # SVN structure
if os.path.isdir(path_with_trunk) :
full_path = path_with_trunk
filesNames = [os.path.join(full_path,filename) for filename in os.listdir(full_path)]
full_filenames.extend(filesNames)
else:
full_filenames.append(full_path)
full_filenames.sort()
processedBricks = []
bricksCategories = {}
for full_filename in full_filenames:
filename = os.path.basename(full_filename)
if filter(lambda x: filename.endswith(x), [x[0] for x in imp.get_suffixes()]):
brickName = filename[:filename.rfind('.')]
if (not brickName == '__init__' and
brickName.startswith('Qt4') and
not brickName in processedBricks):
processedBricks.append(brickName)
dirname = os.path.dirname(full_filename)
brick_module_file = None
try:
brick_module_file, path, description = imp.find_module(brickName, [dirname])
except:
if brick_module_file:
brick_module_file.close()
continue
moduleContents = brick_module_file.read()
checkIfItsBrick = re.compile('^\s*class\s+%s.+?:\s*$' % brickName,re.M)
if not checkIfItsBrick.search(moduleContents) : continue
match = findCategoryRE.search(moduleContents)
if match is None:
category = ""
else:
category = match.group(1)
match = findDocstringRE.search(moduleContents)
if match is None:
description = ""
else:
description = match.group(1)
try:
bricksCategories[category].append( (brickName, dirname, description) )
except KeyError:
bricksCategories[category] = [ (brickName, dirname, description) ]
if len(bricksCategories) == 0:
return
categoryKeys = bricksCategories.keys()
categoryKeys.sort()
for category in categoryKeys:
bricksList = bricksCategories[category]
try:
bricksListWidget = self.bricks_tab_dict[category]
except KeyError:
bricksListWidget = self.addBrickTab(category)
for brickName, dirname, description in bricksList:
newBrick = QtGui.QListWidgetItem(QtCore.QString(self.brickTextLabel(brickName)), bricksListWidget)
bricksListWidget.addToolTip(newBrick, description)
self.bricks_dict[id(newBrick)] = (dirname, brickName)
def brick_selected(self, item):
"""
Descript. :
"""
dir_name, brick_name = self.bricks_dict[id(item)]
self.emit(QtCore.SIGNAL("addBrick"), brick_name)
class Qt4_PropertyEditorWindow(QtGui.QWidget):
"""
Descript. :
"""
def __init__(self, *args, **kwargs):
"""
Descript. :
"""
QtGui.QWidget.__init__(self, *args)
self.setWindowTitle("Properties")
self.properties_table = Qt4_PropertyEditor.Qt4_ConfigurationTable(self)
self.__property_changed_cb = weakref.WeakKeyDictionary()
QtCore.QObject.connect(self.properties_table, QtCore.SIGNAL("propertyChanged"), self.property_changed)
_main_vlayout = QtGui.QHBoxLayout()
_main_vlayout.addWidget(self.properties_table)
_main_vlayout.setSpacing(0)
_main_vlayout.setContentsMargins(0,0,0,0)
self.setLayout(_main_vlayout)
self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
def editProperties(self, property_bag):
"""
Descript. :
"""
self.properties_table.setPropertyBag(property_bag)
def property_changed(self, *args):
"""
Descript. :
"""
try:
cb = self.__property_changed_cb[self.properties_table.propertyBag]
except KeyError, err:
return
else:
cb(*args)
def addProperties(self, propertyBag, property_changed_cb):
"""
Descript. :
"""
self.__property_changed_cb[propertyBag] = property_changed_cb
self.editProperties(propertyBag)
class ToolButton(QtGui.QToolButton):
"""
Descript. :
"""
def __init__(self, parent, icon, text = None, callback = None, tooltip = None):
"""
Descript. :
"""
QtGui.QToolButton.__init__(self, parent)
self.setIcon(QtGui.QIcon(Qt4_Icons.load(icon)))
if type(text) != types.StringType:
tooltip = callback
callback = text
else:
self.setTextLabel(text)
self.setTextPosition(qt.QToolButton.BesideIcon)
self.setUsesTextLabel(True)
if callback is not None:
self.clicked.connect(callback)
if tooltip is not None:
self.setToolTip(tooltip)
#QtGui.QToolTip.add(self, tooltip)
self.setSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)
class GUIEditorWindow(QtGui.QWidget):
"""
Descript. :
"""
def __init__(self, *args, **kwargs):
"""
Descript. :
"""
QtGui.QWidget.__init__(self, *args)
# Internal values -----------------------------------------------------
self.configuration = Qt4_Configuration.Configuration()
# Graphic elements ----------------------------------------------------
_tools_widget = QtGui.QWidget(self)
_add_window_toolbutton = ToolButton(_tools_widget, "window_new", \
self.add_window_clicked, "add a new window (container)")
_add_tab_toolbutton = ToolButton(_tools_widget, "tab", \
self.add_tab_clicked, "add a new tab (container)")
_add_hbox_toolbutton = ToolButton(_tools_widget, "add_hbox", \
self.add_hbox_clicked, "add a new horizontal box (container)")
_add_vbox_toolbutton = ToolButton(_tools_widget, "add_vbox", \
self.add_vbox_clicked, "add a new vertical box (container)")
_add_hgroupbox_toolbutton = ToolButton(_tools_widget, "hgroupbox", \
self.add_hgroupbox_clicked, "add a new horizontal group box (container)")
_add_vgroupbox_toolbutton = ToolButton(_tools_widget, "vgroupbox", \
self.add_vgroupbox_clicked, "add a new vertical group box (container)")
_add_hspacer_toolbutton = ToolButton(_tools_widget, "add_hspacer", \
self.add_hspacer_clicked, "add a new horizontal spacer")
_add_vspacer_toolbutton = ToolButton(_tools_widget, "add_vspacer", \
self.add_vspacer_clicked, "add a new vertical spacer")
_add_hsplitter_toolbutton = ToolButton(_tools_widget, "hsplitter", \
self.add_hsplitter_clicked, "add a new horizontal splitter (container)")
_add_vsplitter_toolbutton = ToolButton(_tools_widget, "vsplitter", \
self.add_vsplitter_clicked, "add a new vertical splitter (container)")
_add_icon_toolbutton = ToolButton(_tools_widget, "icon", \
self.add_icon_clicked, "add a new icon")
_add_label_toolbutton = ToolButton(_tools_widget, "label", \
self.add_label_clicked, "add a new label")
_tree_handling_widget = QtGui.QWidget(self)
_show_connections_toolbutton = ToolButton(_tree_handling_widget, "connect_creating", \
self.show_connections_clicked, "manage connections between items")
_move_up_toolbutton = ToolButton(_tree_handling_widget, "Up2", \
self.move_up_clicked, "move an item up")
_move_down_toolbutton = ToolButton(_tree_handling_widget, "Down2", \
self.move_down_clicked, "move an item down")
_remove_item_toolbutton = ToolButton(_tree_handling_widget, "delete_small", \
self.remove_item_clicked, "delete an item")
self.tree_widget = GUITreeWidget(self)
self.root_element = QtGui.QTreeWidgetItem(self.tree_widget)
self.root_element.setText(0, QtCore.QString("GUI tree"))
self.root_element.setExpanded(True)
# Layout --------------------------------------------------------------
_toolbox_hlayout = QtGui.QHBoxLayout()
_toolbox_hlayout.addWidget(_add_window_toolbutton)
_toolbox_hlayout.addWidget(_add_tab_toolbutton)
_toolbox_hlayout.addWidget(_add_hbox_toolbutton)
_toolbox_hlayout.addWidget(_add_vbox_toolbutton)
_toolbox_hlayout.addWidget(_add_hgroupbox_toolbutton)
_toolbox_hlayout.addWidget(_add_vgroupbox_toolbutton)
_toolbox_hlayout.addWidget(_add_hspacer_toolbutton)
_toolbox_hlayout.addWidget(_add_vspacer_toolbutton)
_toolbox_hlayout.addWidget(_add_hsplitter_toolbutton)
_toolbox_hlayout.addWidget(_add_vsplitter_toolbutton)
_toolbox_hlayout.addWidget(_add_icon_toolbutton)
_toolbox_hlayout.addWidget(_add_label_toolbutton)
_toolbox_hlayout.addStretch(0)
_toolbox_hlayout.setSpacing(2)
_toolbox_hlayout.setContentsMargins(2, 2, 2, 2)
_tools_widget.setLayout(_toolbox_hlayout)
_tree_handling_widget_hlayout = QtGui.QHBoxLayout()
_tree_handling_widget_hlayout.addWidget(_show_connections_toolbutton)
_tree_handling_widget_hlayout.addWidget(_move_up_toolbutton)
_tree_handling_widget_hlayout.addWidget(_move_down_toolbutton)
_tree_handling_widget_hlayout.addWidget(_remove_item_toolbutton)
_tree_handling_widget_hlayout.addStretch(0)
_tree_handling_widget_hlayout.setSpacing(2)
_tree_handling_widget_hlayout.setContentsMargins(2, 2, 2, 2)
_tree_handling_widget.setLayout(_tree_handling_widget_hlayout)
_main_vlayout = QtGui.QVBoxLayout()
_main_vlayout.addWidget(_tools_widget)
_main_vlayout.addWidget(_tree_handling_widget)
_main_vlayout.addWidget(self.tree_widget)
_main_vlayout.setSpacing(2)
_main_vlayout.setContentsMargins(2,2,2,2)
self.setLayout(_main_vlayout)
# SizePolicies --------------------------------------------------------
_tools_widget.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Fixed)
# Qt signal/slot connections ------------------------------------------
self.tree_widget.itemSelectionChanged.connect(self.item_selected)
self.tree_widget.itemDoubleClicked.connect(self.item_double_clicked)
self.tree_widget.itemChanged.connect(self.item_changed)
self.connect(self.tree_widget, QtCore.SIGNAL('dragdrop'),
self.item_drag_dropped)
self.connect(self.tree_widget, QtCore.SIGNAL('contextMenuRequested'),
self.item_right_clicked)
# Other ---------------------------------------------------------------
self.item_rename_started = None
self.setWindowTitle("GUI Editor")
def create_action(self, text, slot = None, shortcut = None, icon = None,
tip = None, checkable = False, signal = "triggered()"):
"""
Descript. :
"""
action = QtGui.QAction(text, self)
if icon is not None:
action.setIcon(QtGui.QIcon(Qt4_Icons.load(icon)))
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if slot is not None:
self.connect(action, QtCore.SIGNAL(signal), slot)
if checkable:
action.setCheckable(True)
return action
def add_actions(self, target, actions):
"""
Descript. :
"""
for action in actions:
if action is None:
target.addSeparator()
else:
target.addAction(action)
def set_configuration(self, configuration):
"""
Descript. :
"""
self.configuration = configuration
self.tree_widget.blockSignals(True)
self.emit(QtCore.SIGNAL('hidePropertyEditorWindow'), ())
def addChildren(children, parentItem):
parent_name = str(parentItem.text(0))
parent = self.configuration.findContainer(parent_name)
for child in children:
if self.configuration.isContainer(child):
new_list_item = self.appendItem(parentItem, child["name"], child["type"], icon=child["type"])
addChildren(child["children"], new_list_item)
self.configuration.items[child["name"]].updateSlots()
elif self.configuration.isSpacer(child):
new_list_item = self.appendItem(parentItem, child["name"], "spacer", icon=child["type"])
elif self.configuration.isBrick(child):
new_list_item = self.appendItem(parentItem, child["name"], child["type"], icon="brick")
else:
new_list_item = self.appendItem(parentItem, child["name"], child["type"], icon=child["type"])
self.connectItem(parent, child, new_list_item)
for window in self.configuration.windows_list:
parentWindowItem = self.appendItem(self.root_element, window.name, "window", icon="window_small")
self.connectItem(None, window, parentWindowItem)
addChildren(window["children"], parentWindowItem)
self.tree_widget.blockSignals(False)
#self.tree_widget.triggerUpdate()
self.tree_widget.update()
self.tree_widget.setCurrentItem(self.root_element.child(0))
self.emit(QtCore.SIGNAL('showProperyEditorWindow'), ())
def show_connections_clicked(self):
"""
Descript. :
"""
self.connection_editor_window = Qt4_ConnectionEditor.Qt4_ConnectionEditor(self.configuration)
width = QtGui.QApplication.desktop().width()
height = QtGui.QApplication.desktop().height()
#self.connection_editor_window.resize(0.85 * width, 0.7 * height)
self.connection_editor_window.show()
def updateProperties(self, item_cfg):
"""
Descript. :
"""
self.emit(QtCore.SIGNAL("editProperties"), item_cfg["properties"])
def _getParentWindowName(self, item):
"""
Descript. :
"""
while item:
if str(item.text(1)) == "window":
return str(item.text(0))
else:
item = item.parent()
def appendItem(self, parentItem, column1_text, column2_text, icon = None):
"""
Descript. :
"""
newListItem = QtGui.QTreeWidgetItem(parentItem)
newListItem.setText(0, QtCore.QString(str(column1_text)))
newListItem.setText(1, QtCore.QString(str(column2_text)))
newListItem.setExpanded(True)
self.tree_widget.setDragEnabled(True)
self.tree_widget.setAcceptDrops(True)
if isinstance(icon, str):
newListItem.setIcon(0, QtGui.QIcon(Qt4_Icons.load(icon)))
self.tree_widget.setCurrentItem(newListItem)
self.tree_widget.scrollToItem(newListItem, QtGui.QAbstractItemView.EnsureVisible)
return newListItem
def remove_item_clicked(self):
"""
Descript. :
"""
currentItem = self.tree_widget.currentItem()
if currentItem:
item_parent_name = str(currentItem.parent().text(0))
item_name = str(currentItem.text(0))
children = currentItem.childCount()
if children > 0:
if QtGui.QMessageBox.warning(self, "Please confirm",
"Are you sure you want to remove %s ?\nRemoving item will remove its %d children." % (item_name, children),
QtGui.QMessageBox.Yes, QtGui.QMessageBox.No) == QtGui.QMessageBox.No:
return
item_cfg = self.configuration.findItem(item_name)
children_name_list = []
for child in item_cfg['children']:
children_name_list.append(child['name'])
self.emit(QtCore.SIGNAL("removeWidget"), item_name, children_name_list)
if self.configuration.remove(item_name):
root = self.tree_widget.invisibleRootItem()
for item in self.tree_widget.selectedItems():
(item.parent() or root).removeChild(item)
def draw_window_preview(self):
"""
Descript. :
"""
container_name = self.root_element.child(0).text(0)
container_cfg, window_id, container_ids, selected_item = \
self.prepare_window_preview(container_name, None, "")
self.emit(QtCore.SIGNAL("drawPreview"), container_cfg, window_id, container_ids, selected_item)
def update_window_preview(self, container_name, container_cfg = None, selected_item = ""):
"""
Descript. :
"""
upd_container_cfg, upd_window_id, upd_container_ids, upd_selected_item = \
self.prepare_window_preview(container_name, container_cfg, selected_item)
self.emit(QtCore.SIGNAL("updatePreview"), upd_container_cfg, upd_window_id, upd_container_ids, selected_item)
def prepare_window_preview(self, item_name, item_cfg = None, selected_item = ""):
"""
Descript. :
"""
item_list = self.tree_widget.findItems(QtCore.QString(item_name), QtCore.Qt.MatchRecursive, 0)
item = item_list[0]
item_type = str(item.text(1))
window_id = None
if item_type == "window":
window_id = str(item.text(0))
else:
# find parent window
parent = item.parent()
while (parent):
if str(parent.text(1)) == "window":
window_id = str(parent.text(0))
break
parent = parent.parent()
if item_type != "window" and item.childCount() == 0:
item = item.parent()
item_name = str(item.text(0))
item_cfg = None
if item_cfg is None:
item_cfg = self.configuration.findItem(item_name)
item_ids = []
current_item = self.root_element
while self.tree_widget.itemBelow(current_item):
current_item = self.tree_widget.itemBelow(current_item)
item_ids.append(str(current_item.text(0)))
return item_cfg, window_id, item_ids, selected_item
def connectItem(self, parent, new_item, new_list_item):
"""
Descript. :
"""
if self.configuration.isBrick(new_item):
self.emit(QtCore.SIGNAL("newItem"), new_item["brick"].propertyBag, new_item["brick"]._propertyChanged)
else:
if parent is not None:
parentref = weakref.ref(parent)
else:
parentref=None
def property_changed_cb(property, old_value, new_value, itemref=weakref.ref(new_list_item), parentref=parentref):
item = itemref()
if item is None:
return
item_name = str(item.text(0))
item_type = str(item.text(1))
try:
klass = Qt4_Configuration.Configuration.classes[item_type]
except KeyError:
self.update_window_preview(item_name)
else:
if issubclass(klass, ContainerCfg):
# we should update the container itself,
# not just its contents so we trigger an
# update of the parent instead
if parentref is not None:
parent = parentref()
if parent is not None:
self.update_window_preview(parent["name"], parent)
else:
self.update_window_preview(item_name)
if parentref is not None:
parent = parentref()
if parent is None:
return
parent.childPropertyChanged(item_name, property, old_value, new_value)
self.emit(QtCore.SIGNAL("newItem"), new_item["properties"], property_changed_cb)
def add_window_clicked(self):
"""
Descript. :
"""
self._addItem(self.root_element, "window")
def _addItem(self, parentListItem, item_type, *args):
"""
Descript. :
"""
parent_name = str(parentListItem.text(0))
parent = self.configuration.findContainer(parent_name)
new_item = None
new_list_item = None
try:
QtGui.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor))
if item_type == "window":
new_item = self.configuration.addWindow()
if type(new_item) == types.StringType:
QtGui.QMessageBox.warning(self, "Cannot add", new_item, QtGui.QMessageBox.Ok)
else:
new_item["properties"].getProperty("w").setValue(QtGui.QApplication.desktop().width())
new_item["properties"].getProperty("h").setValue(QtGui.QApplication.desktop().height())
new_list_item = self.appendItem(parentListItem, new_item["name"], "window", icon="window_small")
elif item_type == "brick":
brick_type = args[0]
new_item = self.configuration.addBrick(brick_type, parent)
if type(new_item) == types.StringType:
QtGui.QMessageBox.warning(self, "Cannot add", new_item, QtGui.QMessageBox.Ok)
else:
brick_name = new_item["name"]
brick = new_item["brick"]
new_list_item = self.appendItem(parentListItem, brick_name, brick_type, icon="brick")
elif item_type == "tab":
new_item = self.configuration.addItem(item_type, parent)
if type(new_item) == types.StringType:
QtGui.QMessageBox.warning(self, "Cannot add", new_item, QtGui.QMessageBox.Ok)
else:
item_name = new_item["name"]
new_list_item = self.appendItem(parentListItem, item_name, item_type, icon=item_type)
else:
item_subtype = args[0]
new_item = self.configuration.addItem(item_subtype, parent)
if type(new_item) == types.StringType:
QtGui.QMessageBox.warning(self, "Cannot add", new_item, QtGui.QMessageBox.Ok)
else:
item_name = new_item["name"]
new_list_item = self.appendItem(parentListItem, item_name, item_type, icon=item_subtype)
if type(new_item) != types.StringType and new_item is not None:
self.connectItem(parent, new_item, new_list_item)
self.emit(QtCore.SIGNAL("addWidget"), new_item, parent)
finally:
QtGui.QApplication.restoreOverrideCursor()
def addBrick(self, brick_type):
"""
Descript. :
"""
self.addItem("brick", brick_type)
def addContainer(self, container_type, container_subtype=None):
"""
Descript. :
"""
self.addItem(container_type, container_subtype)
def addItem(self, item_type, item_subtype):
"""
Descript. :
"""
currentItem = self.tree_widget.currentItem()
if currentItem:
item_cfg = self.configuration.findItem(str(currentItem.text(0)))
try:
if self.configuration.isContainer(item_cfg):
self._addItem(currentItem, item_type, item_subtype)
else:
# try to add to parent instead
parentItem = currentItem.parent()
self._addItem(parentItem, item_type, item_subtype)
except:
QtGui.QMessageBox.warning(self, "Cannot add %s" % item_type, "Please select a suitable parent container", QtGui.QMessageBox.Ok)
def add_hbox_clicked(self):
"""
Descript. :
"""
self.addContainer("hbox", "hbox")
def add_vbox_clicked(self):
"""
Descript. :
"""
self.addContainer("vbox", "vbox")
def add_hgroupbox_clicked(self):
"""
Descript. :
"""
self.addContainer("hgroupbox", "hgroupbox")
def add_vgroupbox_clicked(self):
"""
Descript. :
"""
self.addContainer("vgroupbox", "vgroupbox")
def add_hspacer_clicked(self):
"""
Descript. :
"""
self.addItem("hspacer", "hspacer")
def add_vspacer_clicked(self):
"""
Descript. :
"""
self.addItem("vspacer", "vspacer")
def add_tab_clicked(self):
"""
Descript. :
"""
self.addContainer("tab")
def add_vsplitter_clicked(self):
"""
Descript. :
"""
self.addContainer("vsplitter", "vsplitter")
def add_hsplitter_clicked(self):
"""
Descript. :
"""
self.addContainer("hsplitter", "hsplitter")
def add_icon_clicked(self):
"""
Descript. :
"""
self.addItem("icon", "icon")
def add_label_clicked(self):
"""
Descript. :
"""
self.addItem("label", "label")
def selectItem(self, item_name):
"""
Descript. :
"""
item = self.tree_widget.findItems(QtCore.QString(item_name),
QtCore.Qt.MatchRecursive, 0)
if item is not None:
self.tree_widget.setCurrentItem(item[0])
self.tree_widget.scrollToItem(item[0], QtGui.QAbstractItemView.EnsureVisible)
def item_double_clicked(self, item, column):
"""
Descript. :
"""
if item and column == 0:
item_name = str(item.text(0))
item_cfg = self.configuration.findItem(item_name)
if item_cfg:
item.setFlags(QtCore.Qt.ItemIsSelectable |
QtCore.Qt.ItemIsEnabled |
QtCore.Qt.ItemIsEditable)
self.item_rename_started = True
self.tree_widget.editItem(item)
item.setFlags(QtCore.Qt.ItemIsSelectable |
QtCore.Qt.ItemIsEnabled)
def item_selected(self):
"""
Descript. :
"""
self.item_rename_started = None
item = self.tree_widget.currentItem()
if not item == self.root_element:
item_name = str(item.text(0))
item_cfg = self.configuration.findItem(item_name)
self.update_window_preview(item_name, item_cfg, selected_item=item_name)
self.updateProperties(item_cfg)
self.emit(QtCore.SIGNAL('showProperyEditorWindow'), ())
def item_changed(self, item, col):
"""
Descript. : Item changed even. Used when item text in column 0
has been changed
"""
if self.item_rename_started:
item_parent_name = str(item.parent().text(0))
new_item_name = str(item.text(0))
old_name = self.configuration.rename(item_parent_name, item.parent().indexOfChild(item), new_item_name)
if old_name is not None:
item.setText(0, old_name)
QtGui.QMessageBox.warning(self, "Cannot rename item",
"New name %s conflicts\nwith another item name." % \
new_item_name, QtGui.QMessageBox.Ok)
def item_right_clicked(self, item):
"""
Descript. :
"""
item_name = str(item.text(0))
item_cfg = self.configuration.findItem(item_name)
if self.configuration.isBrick(item_cfg):
popup_menu = QtGui.QPopupMenu()
def _itemRightClicked(id, item_name=item_name):
item_cfg=self.configuration.reload_brick(item_name)
item = self.tree_widget.findItem(item_name, 0)
self.emit(QtCore.SIGNAL("newItem"), (item_cfg["brick"].propertyBag, item_cfg["brick"]._propertyChanged))
self.item_selected(item)
QtCore.QObject.connect(popup_menu, QtCore.SIGNAL("activated(int)"), _itemRightClicked)
popup_menu.insertItem("reload brick", 0)
popup_menu.exec_loop(QtCore.QCursor.pos())
def item_drag_dropped(self, source_item, target_item):
"""
Descript. :
"""
dragged_item_name = source_item.text(0)
dropped_on_item_name = target_item.text(0)
source_item_parent_name = str(source_item.parent().text(0))
target_item_parent_name = str(target_item.parent().text(0))
# find common ancestor
target_item_ancestors = [target_item.parent()]
source_item_ancestors = [source_item.parent()]
while target_item_ancestors[0]:
target_item_ancestors.insert(0, target_item_ancestors[0].parent())
while source_item_ancestors[0]:
source_item_ancestors.insert(0, source_item_ancestors[0].parent())
common_ancestor = zip(target_item_ancestors, source_item_ancestors)[-1][0]
if common_ancestor != self.root_element:
common_ancestor_name = str(common_ancestor.text(0))
else:
common_ancestor_name = ""
# move item in configuration
if not self.configuration.moveItem(dragged_item_name, dropped_on_item_name):
#self.tree_widget.setSelected(source_item, True)
source_item.setSelected(True)
self.tree_widget.setCurrentItem(source_item)
return