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"""!
@package gui_core.toolbars
@brief Base classes toolbar widgets
Classes:
- toolbars::BaseToolbar
(C) 2007-2011 by the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.
@author Michael Barton
@author Jachym Cepicky
@author Martin Landa <landa.martin gmail.com>
"""
import os
import sys
import platform
import wx
from core import globalvar
from core.debug import Debug
from icons.icon import MetaIcon
BaseIcons = {
'display' : MetaIcon(img = 'show',
label = _('Display map'),
desc = _('Re-render modified map layers only')),
'render' : MetaIcon(img = 'layer-redraw',
label = _('Render map'),
desc = _('Force re-rendering all map layers')),
'erase' : MetaIcon(img = 'erase',
label = _('Erase display'),
desc = _('Erase display canvas with given background color')),
'pointer' : MetaIcon(img = 'pointer',
label = _('Pointer')),
'zoomIn' : MetaIcon(img = 'zoom-in',
label = _('Zoom in'),
desc = _('Drag or click mouse to zoom')),
'zoomOut' : MetaIcon(img = 'zoom-out',
label = _('Zoom out'),
desc = _('Drag or click mouse to unzoom')),
'zoomBack' : MetaIcon(img = 'zoom-last',
label = _('Return to previous zoom')),
'zoomMenu' : MetaIcon(img = 'zoom-more',
label = _('Various zoom options'),
desc = _('Zoom to computational, default, saved region, ...')),
'zoomExtent' : MetaIcon(img = 'zoom-extent',
label = _('Zoom to selected map layer(s)')),
'pan' : MetaIcon(img = 'pan',
label = _('Pan'),
desc = _('Drag with mouse to pan')),
'saveFile' : MetaIcon(img = 'map-export',
label = _('Save display to graphic file')),
'print' : MetaIcon(img = 'print',
label = _('Print display')),
'font' : MetaIcon(img = 'font',
label = _('Select font')),
'help' : MetaIcon(img = 'help',
label = _('Show manual')),
'quit' : MetaIcon(img = 'quit',
label = _('Quit')),
'addRast' : MetaIcon(img = 'layer-raster-add',
label = _('Add raster map layer')),
'addVect' : MetaIcon(img = 'layer-vector-add',
label = _('Add vector map layer')),
'overlay' : MetaIcon(img = 'overlay-add',
label = _('Add map elements'),
desc = _('Overlay elements like scale and legend onto map')),
'histogramD' : MetaIcon(img = 'layer-raster-histogram',
label = _('Create histogram with d.histogram')),
'settings' : MetaIcon(img = 'settings',
label = _("Settings")),
}
class BaseToolbar(wx.ToolBar):
"""!Abstract toolbar class"""
def __init__(self, parent):
self.parent = parent
wx.ToolBar.__init__(self, parent = self.parent, id = wx.ID_ANY)
self.action = dict()
self.Bind(wx.EVT_TOOL, self.OnTool)
self.SetToolBitmapSize(globalvar.toolbarSize)
def InitToolbar(self, toolData):
"""!Initialize toolbar, add tools to the toolbar
"""
for tool in toolData:
self.CreateTool(*tool)
self._data = toolData
def _toolbarData(self):
"""!Toolbar data (virtual)"""
return None
def CreateTool(self, label, bitmap, kind,
shortHelp, longHelp, handler, pos = -1):
"""!Add tool to the toolbar
@param pos if -1 add tool, if > 0 insert at given pos
@return id of tool
"""
bmpDisabled = wx.NullBitmap
tool = -1
if label:
tool = vars(self)[label] = wx.NewId()
Debug.msg(3, "CreateTool(): tool=%d, label=%s bitmap=%s" % \
(tool, label, bitmap))
if pos < 0:
toolWin = self.AddLabelTool(tool, label, bitmap,
bmpDisabled, kind,
shortHelp, longHelp)
else:
toolWin = self.InsertLabelTool(pos, tool, label, bitmap,
bmpDisabled, kind,
shortHelp, longHelp)
self.Bind(wx.EVT_TOOL, handler, toolWin)
else: # separator
self.AddSeparator()
return tool
def EnableLongHelp(self, enable = True):
"""!Enable/disable long help
@param enable True for enable otherwise disable
"""
for tool in self._data:
if tool[0] == '': # separator
continue
if enable:
self.SetToolLongHelp(vars(self)[tool[0]], tool[4])
else:
self.SetToolLongHelp(vars(self)[tool[0]], "")
def OnTool(self, event):
"""!Tool selected
"""
if hasattr(self.parent, 'toolbars'):
if self.parent.GetToolbar('vdigit'):
# update vdigit toolbar (unselect currently selected tool)
id = self.parent.toolbars['vdigit'].GetAction(type = 'id')
self.parent.toolbars['vdigit'].ToggleTool(id, False)
if event:
# deselect previously selected tool
id = self.action.get('id', -1)
if id != event.GetId():
self.ToggleTool(self.action['id'], False)
else:
self.ToggleTool(self.action['id'], True)
self.action['id'] = event.GetId()
event.Skip()
else:
# initialize toolbar
self.ToggleTool(self.action['id'], True)
def GetAction(self, type = 'desc'):
"""!Get current action info"""
return self.action.get(type, '')
def SelectDefault(self, event):
"""!Select default tool"""
self.ToggleTool(self.defaultAction['id'], True)
self.defaultAction['bind'](event)
self.action = { 'id' : self.defaultAction['id'],
'desc' : self.defaultAction.get('desc', '') }
def FixSize(self, width):
"""!Fix toolbar width on Windows
@todo Determine why combobox causes problems here
"""
if platform.system() == 'Windows':
size = self.GetBestSize()
self.SetSize((size[0] + width, size[1]))
def Enable(self, tool, enable = True):
"""!Enable defined tool
@param tool name
@param enable True to enable otherwise disable tool
"""
try:
id = getattr(self, tool)
except AttributeError:
return
self.EnableTool(id, enable)
def _getToolbarData(self, data):
"""!Define tool
"""
retData = list()
for args in data:
retData.append(self._defineTool(*args))
return retData
def _defineTool(self, name = None, icon = None, handler = None, item = wx.ITEM_NORMAL, pos = -1):
"""!Define tool
"""
if name:
return (name, icon.GetBitmap(),
item, icon.GetLabel(), icon.GetDesc(),
handler, pos)
return ("", "", "", "", "", "") # separator
def _onMenu(self, data):
"""!Toolbar pop-up menu"""
menu = wx.Menu()
for icon, handler in data:
item = wx.MenuItem(menu, wx.ID_ANY, icon.GetLabel())
item.SetBitmap(icon.GetBitmap(self.parent.iconsize))
menu.AppendItem(item)
self.Bind(wx.EVT_MENU, handler, item)
self.PopupMenu(menu)
menu.Destroy()
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