Files
pyfa/gui/display.py

303 lines
10 KiB
Python

#===============================================================================
# Copyright (C) 2010 Diego Duclos
#
# This file is part of pyfa.
#
# pyfa 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.
#
# pyfa 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 pyfa. If not, see <http://www.gnu.org/licenses/>.
#===============================================================================
import sys
import wx
import gui.mainFrame
from gui.viewColumn import ViewColumn
from gui.cachingImageList import CachingImageList
class Display(wx.ListCtrl):
def __init__(self, parent, size = wx.DefaultSize, style = 0):
wx.ListCtrl.__init__(self, parent,size = size, style=wx.LC_REPORT | style )
self.imageList = CachingImageList(16, 16)
self.SetImageList(self.imageList, wx.IMAGE_LIST_SMALL)
self.activeColumns = []
self.columnsMinWidth = []
self.Bind(wx.EVT_LIST_COL_END_DRAG, self.resizeChecker)
self.Bind(wx.EVT_LIST_COL_BEGIN_DRAG, self.resizeSkip)
if "wxMSW" in wx.PlatformInfo:
self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBk)
self.mainFrame = gui.mainFrame.MainFrame.getInstance()
i = 0
for colName in self.DEFAULT_COLS:
if ":" in colName:
colName, params = colName.split(":", 1)
params = params.split(",")
colClass = ViewColumn.getColumn(colName)
paramList = colClass.getParameters()
paramDict = {}
for x, param in enumerate(paramList):
name, type, defaultValue = param
value = params[x] if len(params) > x else defaultValue
value = value if value != "" else defaultValue
if type == bool and isinstance(value, basestring):
value = bool(value) if value.lower() != "false" and value != "0" else False
paramDict[name] = value
col = colClass(self, paramDict)
else:
col = ViewColumn.getColumn(colName)(self, None)
self.addColumn(i, col)
self.columnsMinWidth.append(self.GetColumnWidth(i))
i += 1
info = wx.ListItem()
info.m_mask = wx.LIST_MASK_WIDTH
self.InsertColumnInfo(i, info)
self.SetColumnWidth(i, 0)
self.imageListBase = self.imageList.ImageCount
# Override native HitTestSubItem (doesn't work as it should on GTK)
# Source: ObjectListView
def HitTestSubItem(self, pt):
"""
Return a tuple indicating which (item, subItem) the given pt (client coordinates) is over.
This uses the buildin version on Windows, and poor mans replacement on other platforms.
"""
# The buildin version works on Windows
if wx.Platform == "__WXMSW__":
return wx.ListCtrl.HitTestSubItem(self, pt)
(rowIndex, flags) = self.HitTest(pt)
# Did the point hit any item?
if (flags & wx.LIST_HITTEST_ONITEM) == 0:
return (-1, 0, -1)
# If it did hit an item and we are not in report mode, it must be the primary cell
if not self.InReportView():
return (rowIndex, wx.LIST_HITTEST_ONITEM, 0)
# Find which subitem is hit
right = 0
scrolledX = self.GetScrollPos(wx.HORIZONTAL) * wx.SystemSettings.GetMetric(wx.SYS_HSCROLL_Y) + pt.x
for i in range(self.GetColumnCount()):
left = right
right += self.GetColumnWidth(i)
if scrolledX < right:
if (scrolledX - left) < self.imageList.GetSize(0)[0]:
flag = wx.LIST_HITTEST_ONITEMICON
else:
flag = wx.LIST_HITTEST_ONITEMLABEL
return (rowIndex, flag, i)
return (rowIndex, 0, -1)
def OnEraseBk(self,event):
if self.GetItemCount() >0:
width, height = self.GetClientSize()
dc = event.GetDC()
dc.DestroyClippingRegion()
dc.SetClippingRegion(0, 0, width, height)
x,y,w,h = dc.GetClippingBox()
topItem = self.GetTopItem()
bottomItem = topItem + self.GetCountPerPage()
if bottomItem >= self.GetItemCount():
bottomItem = self.GetItemCount() - 1
topRect = self.GetItemRect(topItem, wx.LIST_RECT_LABEL)
bottomRect = self.GetItemRect(bottomItem, wx.LIST_RECT_BOUNDS)
items_rect = wx.Rect(topRect.left, 0, bottomRect.right - topRect.left, bottomRect.bottom )
updateRegion = wx.Region(x,y,w,h)
updateRegion.SubtractRect(items_rect)
dc.DestroyClippingRegion()
dc.SetClippingRegionAsRegion(updateRegion)
dc.SetBackground(wx.Brush(self.GetBackgroundColour(), wx.SOLID))
dc.Clear()
dc.DestroyClippingRegion()
else:
event.Skip()
def addColumn(self, i, col):
self.activeColumns.append(col)
info = wx.ListItem()
info.m_mask = col.mask | wx.LIST_MASK_FORMAT | wx.LIST_MASK_WIDTH
info.m_image = col.imageId
info.m_text = col.columnText
info.m_width = -1
info.m_format = wx.LIST_FORMAT_LEFT
self.InsertColumnInfo(i, info)
col.resized = False
if i == 0 and col.size != wx.LIST_AUTOSIZE_USEHEADER:
col.size += 4
self.SetColumnWidth(i, col.size)
def getColIndex(self, colClass):
for i, col in enumerate(self.activeColumns):
if col.__class__ == colClass:
return i
return None
def resizeChecker(self, event):
# we veto header cell resize by default till we find a way
# to assure a minimal size for the resized header cell
column = event.GetColumn()
wx.CallAfter(self.checkColumnSize,column)
event.Skip()
def resizeSkip(self, event):
column = event.GetColumn()
if column > len (self.activeColumns)-1:
self.SetColumnWidth(column, 0)
event.Veto()
return
colItem = self.activeColumns[column]
if self.activeColumns[column].maxsize != -1:
event.Veto()
else:
event.Skip()
def checkColumnSize(self,column):
colItem = self.activeColumns[column]
if self.GetColumnWidth(column) < self.columnsMinWidth[column]:
self.SetColumnWidth(column,self.columnsMinWidth[column])
colItem.resized = True
def getLastItem( self, state = wx.LIST_STATE_DONTCARE):
lastFound = -1
while True:
index = self.GetNextItem(
lastFound,
wx.LIST_NEXT_ALL,
state,
)
if index == -1:
break
else:
lastFound = index
return lastFound
def deselectItems(self):
sel = self.GetFirstSelected()
while sel != -1:
self.SetItemState(sel, 0, wx.LIST_STATE_SELECTED | wx.LIST_STATE_FOCUSED)
sel = self.GetNextSelected(sel)
def populate(self, stuff):
if stuff is not None:
listItemCount = self.GetItemCount()
stuffItemCount = len(stuff)
if listItemCount < stuffItemCount:
for i in xrange(stuffItemCount - listItemCount):
index = self.InsertStringItem(sys.maxint, "")
if listItemCount > stuffItemCount:
if listItemCount - stuffItemCount > 20 and stuffItemCount < 20:
self.DeleteAllItems()
for i in xrange(stuffItemCount):
index = self.InsertStringItem(sys.maxint, "")
else:
for i in xrange(listItemCount - stuffItemCount):
self.DeleteItem(self.getLastItem())
self.Refresh()
def refresh(self, stuff):
if stuff == None:
return
item = -1
for id, st in enumerate(stuff):
item = self.GetNextItem(item)
for i, col in enumerate(self.activeColumns):
colItem = self.GetItem(item, i)
oldText = colItem.GetText()
oldImageId = colItem.GetImage()
newText = col.getText(st)
if newText is False:
col.delayedText(st, self, colItem)
newText = ""
newImageId = col.getImageId(st)
colItem.SetText(newText)
colItem.SetImage(newImageId)
mask = 0
if oldText != newText:
mask |= wx.LIST_MASK_TEXT
colItem.SetText(newText)
if oldImageId != newImageId:
mask |= wx.LIST_MASK_IMAGE
colItem.SetImage(newImageId)
if mask:
colItem.SetMask(mask)
self.SetItem(colItem)
self.SetItemData(item, id)
# self.Freeze()
if 'wxMSW' in wx.PlatformInfo:
for i,col in enumerate(self.activeColumns):
if not col.resized:
self.SetColumnWidth(i, col.size)
else:
for i, col in enumerate(self.activeColumns):
if not col.resized:
if col.size == wx.LIST_AUTOSIZE_USEHEADER:
self.SetColumnWidth(i, wx.LIST_AUTOSIZE_USEHEADER)
headerWidth = self.GetColumnWidth(i)
self.SetColumnWidth(i, wx.LIST_AUTOSIZE)
baseWidth = self.GetColumnWidth(i)
if baseWidth < headerWidth:
self.SetColumnWidth(i, headerWidth)
else:
self.SetColumnWidth(i, col.size)
# self.Thaw()
def update(self, stuff):
self.populate(stuff)
self.refresh(stuff)
def getColumn(self, point):
row, _, col = self.HitTestSubItem(point)
return col