| 1 |
#!/usr/bin/env python |
| 2 |
if __name__ == '__main__': |
| 3 |
print "ERROR: ASCEND Canvas should now be invoked using the file 'canvas.py' instead of 'blocklist.py'." |
| 4 |
exit(1) |
| 5 |
|
| 6 |
import gtk |
| 7 |
import os, os.path, glob |
| 8 |
import cairo |
| 9 |
import ascpy |
| 10 |
|
| 11 |
class BlockIconView(gtk.IconView): |
| 12 |
""" |
| 13 |
IconView containing the palette of BlockTypes available for use in the |
| 14 |
canvas. The list of blocks is supplied currently as an initialisation |
| 15 |
parameter, but it is intended that this would be dynamic in a final system. |
| 16 |
|
| 17 |
It should be possible drag icons from the palette into the canvas, but |
| 18 |
that is not yet implemented. |
| 19 |
""" |
| 20 |
def __init__(self,blocks=None,app=None): |
| 21 |
self.model = gtk.ListStore(str, gtk.gdk.Pixbuf) |
| 22 |
self.app = app |
| 23 |
self.otank = {} |
| 24 |
try: |
| 25 |
for b in blocks: |
| 26 |
pixbuf = b.get_icon(48,48) |
| 27 |
iter = self.model.append([b.type.getName(), pixbuf]) |
| 28 |
path = self.model.get_path(iter) |
| 29 |
self.otank[path] = b |
| 30 |
except Exception as e: |
| 31 |
pass |
| 32 |
|
| 33 |
gtk.IconView.__init__(self) |
| 34 |
self.set_model(self.model) |
| 35 |
self.set_text_column(0) |
| 36 |
self.set_pixbuf_column(1) |
| 37 |
self.set_columns(-1) |
| 38 |
self.set_size_request(180,100) |
| 39 |
self.connect("item-activated", self.item_activated) |
| 40 |
self.connect("selection-changed", self.selection_changed) |
| 41 |
|
| 42 |
def refresh_view(): |
| 43 |
pass |
| 44 |
|
| 45 |
def selection_changed(self,iconview): |
| 46 |
s = self.get_selected_items() |
| 47 |
if len(s)==1: |
| 48 |
b = self.otank[s[0]] |
| 49 |
self.app.set_placement_tool(b) |
| 50 |
|
| 51 |
def item_activated(self,iconview, path): |
| 52 |
self.app.set_placement_tool(self.otank[path]) |
| 53 |
|
| 54 |
|
| 55 |
from gaphas import GtkView, View |
| 56 |
from gaphas.tool import HoverTool, PlacementTool, HandleTool, ToolChain, DEBUG_TOOL_CHAIN |
| 57 |
#from gaphas.tool import LineSegmentTool |
| 58 |
from gaphas.tool import Tool, ItemTool, RubberbandTool |
| 59 |
from gaphas.painter import ItemPainter |
| 60 |
from blockconnecttool import BlockConnectTool |
| 61 |
from blockline import BlockLine |
| 62 |
from blockitem import DefaultBlockItem |
| 63 |
from contextmenutool import ContextMenuTool |
| 64 |
from connectortool import ConnectorTool |
| 65 |
from blockcanvas import BlockCanvas |
| 66 |
#from panzoom import ZoomTool |
| 67 |
#from panzoom import PanTool |
| 68 |
from gaphas.tool import PanTool, ZoomTool |
| 69 |
from blockinstance import BlockInstance |
| 70 |
from solverreporterforcanvas import PopupSolverReporter |
| 71 |
import canvasproperties |
| 72 |
import blockproperties |
| 73 |
import undo |
| 74 |
from undo import UndoMonitorTool |
| 75 |
import errorreporter |
| 76 |
import gaphas.view |
| 77 |
import pickle as pickle |
| 78 |
import gaphas.picklers |
| 79 |
import obrowser |
| 80 |
import urllib, help |
| 81 |
from preferences import Preferences |
| 82 |
|
| 83 |
def BlockToolChain(): |
| 84 |
""" |
| 85 |
ToolChain for working with BlockCanvas, including several custom Tools. |
| 86 |
""" |
| 87 |
chain = ToolChain() |
| 88 |
chain.append(UndoMonitorTool()) |
| 89 |
chain.append(HoverTool()) |
| 90 |
chain.append(BlockConnectTool()) # for connect/disconnect of lines |
| 91 |
chain.append(ConnectorTool()) # for creating new lines by drag from Port |
| 92 |
chain.append(ContextMenuTool()) # right-click |
| 93 |
# chain.append(LineSegmentTool()) # for moving line 'elbows' |
| 94 |
chain.append(ItemTool()) |
| 95 |
chain.append(PanTool()) |
| 96 |
chain.append(ZoomTool()) |
| 97 |
chain.append(RubberbandTool()) |
| 98 |
return chain |
| 99 |
|
| 100 |
class mainWindow(gtk.Window): |
| 101 |
|
| 102 |
menu_xml = '''<ui> |
| 103 |
<menubar name='MenuBar'> |
| 104 |
<menu action='File'> |
| 105 |
<menuitem action='New' /> |
| 106 |
<menuitem action='Open' /> |
| 107 |
<menuitem action='Save' /> |
| 108 |
<menuitem action='SaveAs' /> |
| 109 |
<separator /> |
| 110 |
<menuitem action='Export' /> |
| 111 |
<separator /> |
| 112 |
<menuitem action='Library' /> |
| 113 |
<separator /> |
| 114 |
<menuitem action='Quit' /> |
| 115 |
</menu> |
| 116 |
<menu action='Edit'> |
| 117 |
<menuitem action='Undo' /> |
| 118 |
<menuitem action='Redo' /> |
| 119 |
<separator /> |
| 120 |
<menuitem action='BlockProperties' /> |
| 121 |
<menuitem action='Delete' /> |
| 122 |
</menu> |
| 123 |
<menu action='View'> |
| 124 |
<menuitem action='Fullscreen' /> |
| 125 |
<separator /> |
| 126 |
<menuitem action='ZoomIn' /> |
| 127 |
<menuitem action='ZoomOut' /> |
| 128 |
</menu> |
| 129 |
<menu action='Tools'> |
| 130 |
<menuitem action='Debug' /> |
| 131 |
<menuitem action='Run' /> |
| 132 |
<menuitem action='Preview' /> |
| 133 |
</menu> |
| 134 |
<menu action='Help'> |
| 135 |
<menuitem action='Development' /> |
| 136 |
<menuitem action='ReportBug' /> |
| 137 |
<menuitem action='About' /> |
| 138 |
</menu> |
| 139 |
</menubar> |
| 140 |
<toolbar name='ToolBar'> |
| 141 |
</toolbar> |
| 142 |
</ui> |
| 143 |
''' |
| 144 |
|
| 145 |
def __init__(self,library,options=None): |
| 146 |
""" |
| 147 |
Initialise the application -- create all the widgets, and populate |
| 148 |
the icon palette. |
| 149 |
TODO: separate the icon palette into a separate method. |
| 150 |
""" |
| 151 |
self.ascwrap= library |
| 152 |
self.errorvars = [] |
| 153 |
self.errorblocks = [] |
| 154 |
self.status = gtk.Statusbar() |
| 155 |
self.temp = [] |
| 156 |
self.act = 1 #to be used for storing canvas zoom in/out related data. |
| 157 |
# the Gaphas canvas |
| 158 |
canvas = BlockCanvas() |
| 159 |
|
| 160 |
# the main window |
| 161 |
gtk.Window.__init__(self) |
| 162 |
self.iconok = self.render_icon(gtk.STOCK_YES,gtk.ICON_SIZE_MENU) |
| 163 |
self.iconinfo = self.render_icon(gtk.STOCK_DIALOG_INFO,gtk.ICON_SIZE_MENU) |
| 164 |
self.iconwarning = self.render_icon(gtk.STOCK_DIALOG_WARNING,gtk.ICON_SIZE_MENU) |
| 165 |
self.iconerror = self.render_icon(gtk.STOCK_DIALOG_ERROR,gtk.ICON_SIZE_MENU) |
| 166 |
|
| 167 |
self.set_title("ASCEND Canvas Modeller") |
| 168 |
self.set_default_size(650,650) |
| 169 |
self.connect("destroy", gtk.main_quit) |
| 170 |
|
| 171 |
windowicon = gtk.Image() |
| 172 |
windowicon.set_from_file(os.path.join('..','glade','ascend.svg')) |
| 173 |
self.set_icon(windowicon.get_pixbuf()) |
| 174 |
|
| 175 |
vbox = gtk.VBox() |
| 176 |
|
| 177 |
ui_manager = gtk.UIManager() |
| 178 |
accelgroup = ui_manager.get_accel_group() |
| 179 |
self.add_accel_group(accelgroup) |
| 180 |
|
| 181 |
actiongroup = gtk.ActionGroup('CanvasActionGroup') |
| 182 |
|
| 183 |
self.prefs = Preferences() |
| 184 |
|
| 185 |
actions = [('File', None, '_File') |
| 186 |
,('Quit', gtk.STOCK_QUIT, '_Quit', None,'Quit the Program', self.quit) |
| 187 |
,('New', gtk.STOCK_NEW,'_New',None,'Start a new Simulation', self.new) |
| 188 |
,('Open', gtk.STOCK_OPEN,'_Open',None,'Open a saved Canvas file', self.fileopen) |
| 189 |
,('Save', gtk.STOCK_SAVE,'_Save',None,'Open a saved Canvas file', self.save_canvas) |
| 190 |
,('SaveAs', gtk.STOCK_SAVE_AS,'_Save As...',None,'Open a saved Canvas file', self.filesave) |
| 191 |
,('Export', gtk.STOCK_PRINT, '_Export SVG', None,'Quit the Program', self.export_svg_as) |
| 192 |
,('Library', gtk.STOCK_OPEN, '_Load Library...', '<Control>l','Load Library', self.load_library_dialog) |
| 193 |
,('Edit', None, '_Edit') |
| 194 |
,('Undo', gtk.STOCK_UNDO, '_Undo', '<Control>z', 'Undo Previous Action', self.undo_canvas) |
| 195 |
,('Redo',gtk.STOCK_REDO, '_Redo', '<Control>y', 'Redo Previous Undo', self.redo_canvas) |
| 196 |
,('BlockProperties',gtk.STOCK_PROPERTIES, '_Block Properties', None, 'Edit Block Properties', self.bp) |
| 197 |
,('Delete', gtk.STOCK_DELETE, '_Delete', 'Delete', 'Delete Selected Item', self.delblock) |
| 198 |
,('View', None, '_View') |
| 199 |
,('Fullscreen', gtk.STOCK_FULLSCREEN, '_Full Screen', 'F11', 'Toggle Full Screen', self.fullscrn) |
| 200 |
,('ZoomIn', gtk.STOCK_ZOOM_IN, '_Zoom In', None, 'Zoom In Canvas', self.zoom) |
| 201 |
,('ZoomOut', gtk.STOCK_ZOOM_OUT, '_Zoom Out', None, 'Zoom Out Canvas', self.zoom) |
| 202 |
#,('BestFit', gtk.STOCK_ZOOM_FIT, '_Best Fit', None, 'Best Fit Canvas',self.zoom) |
| 203 |
,('Tools', None, '_Tools') |
| 204 |
,('Debug', None, '_Debug', None, 'View Instance Browser',self.debug_canvas) |
| 205 |
,('Run', gtk.STOCK_EXECUTE, '_Run', None, 'Solve Canvas', self.run_canvas) |
| 206 |
,('Preview', gtk.STOCK_PRINT_PREVIEW, '_Preview', None, 'Preview Generated Code', self.preview_canvas) |
| 207 |
,('Help', None, '_Help') |
| 208 |
,('Development', gtk.STOCK_INFO, '_Development', None, 'Check Development', self.on_get_help_online_click) |
| 209 |
,('ReportBug', None, '_Report Bug', None, 'Report a Bug!', self.on_report_a_bug_click) |
| 210 |
,('About', gtk.STOCK_ABOUT, '_About', None, 'About Us', self.about) |
| 211 |
] |
| 212 |
|
| 213 |
actiongroup.add_actions(actions) |
| 214 |
|
| 215 |
ui_manager.insert_action_group(actiongroup,0) |
| 216 |
ui_manager.add_ui_from_string(self.menu_xml) |
| 217 |
|
| 218 |
#Creating Menu Bar |
| 219 |
menubar = ui_manager.get_widget('/MenuBar') |
| 220 |
vbox.pack_start(menubar,False,False) |
| 221 |
|
| 222 |
#Creating Tool Bar |
| 223 |
#toolbar = ui_manager.get_widget('/ToolBar') |
| 224 |
#vbox.pack_start(toolbar,False) |
| 225 |
|
| 226 |
'''The Toolbar Definations start here''' |
| 227 |
|
| 228 |
tb = gtk.Toolbar() |
| 229 |
#Load Button |
| 230 |
loadbutton = gtk.ToolButton(gtk.STOCK_OPEN) |
| 231 |
loadbutton.connect("clicked",self.fileopen) |
| 232 |
tb.insert(loadbutton,0) |
| 233 |
|
| 234 |
#Save Button |
| 235 |
savebutton = gtk.ToolButton(gtk.STOCK_SAVE) |
| 236 |
savebutton.connect("clicked",self.save_canvas) |
| 237 |
tb.insert(savebutton,1) |
| 238 |
|
| 239 |
#Debug Button |
| 240 |
debugbutton = gtk.ToolButton(gtk.STOCK_PROPERTIES) |
| 241 |
debugbutton.set_label("Debug") |
| 242 |
debugbutton.connect("clicked",self.debug_canvas) |
| 243 |
tb.insert(debugbutton,2) |
| 244 |
|
| 245 |
#Preview Button |
| 246 |
previewb = gtk.ToolButton(gtk.STOCK_PRINT_PREVIEW) |
| 247 |
previewb.set_label("Preview") |
| 248 |
previewb.connect("clicked",self.preview_canvas) |
| 249 |
tb.insert(previewb,3) |
| 250 |
|
| 251 |
#Export Button |
| 252 |
exportbutton = gtk.ToolButton(gtk.STOCK_CONVERT) |
| 253 |
exportbutton.set_label("Export SVG") |
| 254 |
exportbutton.connect("clicked",self.export_svg_as) |
| 255 |
tb.insert(exportbutton,2) |
| 256 |
|
| 257 |
#Run Button |
| 258 |
runb = gtk.ToolButton(gtk.STOCK_EXECUTE) |
| 259 |
runb.set_label("Run") |
| 260 |
runb.connect("clicked",self.run_canvas) |
| 261 |
tb.insert(runb, 4) |
| 262 |
|
| 263 |
##Custom Entry |
| 264 |
#m_entry = gtk.ToolButton(gtk.STOCK_SAVE_AS) |
| 265 |
#m_entry.set_label("Custom METHOD") |
| 266 |
#m_entry.connect("clicked",self.custommethod) |
| 267 |
#tb.insert(m_entry,5) |
| 268 |
|
| 269 |
vbox.pack_start(tb, False, False) |
| 270 |
|
| 271 |
# hbox occupies top part of vbox, with icons on left & canvas on right. |
| 272 |
paned = gtk.HPaned() |
| 273 |
|
| 274 |
# the 'view' widget implemented by Gaphas |
| 275 |
#gaphas.view.DEBUG_DRAW_BOUNDING_BOX = True |
| 276 |
self.view = GtkView() |
| 277 |
self.view.tool = BlockToolChain() |
| 278 |
|
| 279 |
# table containing scrollbars and main canvas |
| 280 |
t = gtk.Table(2,2) |
| 281 |
self.view.canvas = canvas |
| 282 |
self.view.zoom(1) |
| 283 |
self.view.set_size_request(600, 450) |
| 284 |
hs = gtk.HScrollbar(self.view.hadjustment) |
| 285 |
vs = gtk.VScrollbar(self.view.vadjustment) |
| 286 |
t.attach(self.view, 0, 1, 0, 1) |
| 287 |
t.attach(hs, 0, 1, 1, 2, xoptions=gtk.FILL, yoptions=gtk.FILL) |
| 288 |
t.attach(vs, 1, 2, 0, 1, xoptions=gtk.FILL, yoptions=gtk.FILL) |
| 289 |
|
| 290 |
# a scrolling window to contain the icon palette |
| 291 |
self.scroll = gtk.ScrolledWindow() |
| 292 |
self.scroll.set_border_width(2) |
| 293 |
self.scroll.set_shadow_type(gtk.SHADOW_ETCHED_IN) |
| 294 |
|
| 295 |
self.scroll.set_policy(gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC) |
| 296 |
|
| 297 |
self.blockiconview = BlockIconView(blocks=self.ascwrap.canvas_blocks,app=self) |
| 298 |
self.scroll.add(self.blockiconview) |
| 299 |
self.reporter = self.ascwrap.reporter |
| 300 |
|
| 301 |
paned.pack1(self.scroll, True, True) |
| 302 |
paned.pack2(t, True, True) |
| 303 |
vbox.pack_start(paned, True, True) |
| 304 |
vpane = gtk.VPaned() |
| 305 |
vpane.pack1(vbox) |
| 306 |
lower_vbox = gtk.VBox() |
| 307 |
|
| 308 |
self.ET = errorreporter.ErrorReporter( self.reporter,self.iconok,self.iconinfo,self.iconwarning,self.iconerror) |
| 309 |
self.notebook = gtk.Notebook() |
| 310 |
self.notebook.set_tab_pos(gtk.POS_TOP) |
| 311 |
label = gtk.Label('Error / Status Reporter Console') |
| 312 |
scrolledwindow = gtk.ScrolledWindow() |
| 313 |
scrolledwindow.set_policy(gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC) |
| 314 |
scrolledwindow.add(self.ET.errorview) |
| 315 |
self.notebook.append_page(scrolledwindow, label) |
| 316 |
lower_vbox.pack_start(self.notebook,True, True) |
| 317 |
lower_vbox.pack_start(self.status, False, False) |
| 318 |
vpane.pack2(lower_vbox) |
| 319 |
|
| 320 |
self.undo_manager = undo.undoManager(self) |
| 321 |
self.undo_manager.start() |
| 322 |
|
| 323 |
self.add(vpane) |
| 324 |
self.show_all() |
| 325 |
|
| 326 |
@undo.block_observed |
| 327 |
def set_placement_tool(self,blocktype): |
| 328 |
""" |
| 329 |
Prepare the canvas for drawing a block of the type selected in the |
| 330 |
icon palette. |
| 331 |
""" |
| 332 |
# TODO: add undo handler |
| 333 |
label = blocktype.type.getName() |
| 334 |
def my_block_factory(): |
| 335 |
def wrapper(): |
| 336 |
b = BlockInstance(blocktype) |
| 337 |
bi = DefaultBlockItem(b) |
| 338 |
self.view.canvas.add(bi) |
| 339 |
return bi |
| 340 |
return wrapper |
| 341 |
self.view.unselect_all() |
| 342 |
self.view.tool.grab(PlacementTool(self.view,my_block_factory(), HandleTool(), 2)) |
| 343 |
self.status.push(0,"Selected '%s'..." % blocktype.type.getName()) |
| 344 |
|
| 345 |
def set_connector_tool(self,foobar): |
| 346 |
""" |
| 347 |
Prepare the canvas for drawing a connecting line (note that one can |
| 348 |
alternatively just drag from a port to another port). |
| 349 |
""" |
| 350 |
|
| 351 |
def my_line_factory(): |
| 352 |
def wrapper(): |
| 353 |
l = BlockLine() |
| 354 |
self.view.canvas.add(l) |
| 355 |
return l |
| 356 |
return wrapper |
| 357 |
self.view.tool.grab(PlacementTool(self.view,my_line_factory(), HandleTool(), 1)) |
| 358 |
|
| 359 |
@undo.block_observed |
| 360 |
def delblock(self, widget = None): |
| 361 |
if self.view.focused_item: |
| 362 |
self.view.canvas.remove(self.view.focused_item) |
| 363 |
self.status.push(0,"Item deleted.") |
| 364 |
self.view.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#FFF')) |
| 365 |
|
| 366 |
@undo.block_observed |
| 367 |
def new(self, widget): |
| 368 |
for item in self.view.canvas.get_all_items(): |
| 369 |
self.view.canvas.remove(item) |
| 370 |
self.reporter.reportNote('Canvas cleared for new Model') |
| 371 |
self.view.canvas.filestate = 0 |
| 372 |
self.view.canvas.filename = None |
| 373 |
self.view.canvas.canvasmodelstate = 'Unsolved' |
| 374 |
self.status.push(0,"Canvasmodel state : %s"% self.view.canvas.canvasmodelstate) |
| 375 |
self.view.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#FFF')) |
| 376 |
|
| 377 |
def debug_canvas(self,widget): |
| 378 |
""" |
| 379 |
Display an 'object browser' to allow inspection of the objects |
| 380 |
in the canvas. |
| 381 |
""" |
| 382 |
|
| 383 |
b = obrowser.Browser("canvas",self.view.canvas, False) |
| 384 |
self.status.push(0,"Canvasmodel state : %s"% self.view.canvas.canvasmodelstate) |
| 385 |
|
| 386 |
def save_canvas(self,widget): |
| 387 |
""" |
| 388 |
Save the canvas in 'pickle' format. Currently saving is jointly handled by both self.save_canvas and self.filesave methods |
| 389 |
""" |
| 390 |
if self.view.canvas.filestate == 0: |
| 391 |
self.filesave(widget) |
| 392 |
return |
| 393 |
else: |
| 394 |
f = file(self.view.canvas.filename,"w") |
| 395 |
try: |
| 396 |
pickle.dump(self.view.canvas,f) |
| 397 |
self.status.push(0,"Canvasmodel saved...") |
| 398 |
except Exception,e: |
| 399 |
print "ERROR:",str(e) |
| 400 |
self.status.push(0,"Canvasmodel could not be saved : " + str(e)) |
| 401 |
b = obrowser.Browser("canvas",self.view.canvas) |
| 402 |
d = gtk.Dialog("Error",self,gtk.DIALOG_DESTROY_WITH_PARENT,(gtk.STOCK_OK, gtk.RESPONSE_ACCEPT)) |
| 403 |
d.vbox.add(gtk.Label(str(e))) |
| 404 |
d.show_all() |
| 405 |
d.run() |
| 406 |
d.hide() |
| 407 |
finally: |
| 408 |
f.close() |
| 409 |
|
| 410 |
def load_canvas(self,widget): |
| 411 |
""" |
| 412 |
Restore a saved canvas in 'pickle' format. Currently not in use as loading now handled by self.fileopen(). |
| 413 |
""" |
| 414 |
f = file("./test.a4b","r") |
| 415 |
try: |
| 416 |
self.view.canvas = pickle.load(f) |
| 417 |
if self.view.canvas.model_library is not None: |
| 418 |
print "Loading Library...." |
| 419 |
self.loadlib(self, self.view.canvas.model_library,0) |
| 420 |
self.view.canvas.reattach_ascend(self.ascwrap.library,self.ascwrap.annodb) |
| 421 |
self.view.canvas.update_now() |
| 422 |
self.status.push(0,"Canvasmodel sucessfully loaded...") |
| 423 |
except Exception,e: |
| 424 |
self.status.push(0,"Canvasmodel could not be loaded : " + str(e)) |
| 425 |
self.reporter.ReportError("Canvasmodel could not be loaded : " + str(e)) |
| 426 |
self.reporter.ReportNote(" Error occured while attempting to 'Load' the file") |
| 427 |
finally: |
| 428 |
f.close() |
| 429 |
self.load_presaved_canvas(None) |
| 430 |
self.status.push(0,"Canvasmodel state : %s"% self.view.canvas.canvasmodelstate) |
| 431 |
|
| 432 |
|
| 433 |
def temp_canvas(self,widget): |
| 434 |
pass |
| 435 |
""" |
| 436 |
NOTE: re-implementation needed |
| 437 |
""" |
| 438 |
|
| 439 |
def undo_canvas(self,widget): |
| 440 |
""" |
| 441 |
NOTE: re-implementation needed |
| 442 |
|
| 443 |
""" |
| 444 |
self.undo_manager.undo() |
| 445 |
#pass |
| 446 |
|
| 447 |
def redo_canvas(self,widget): |
| 448 |
""" |
| 449 |
NOTE: re-implementation needed |
| 450 |
|
| 451 |
""" |
| 452 |
self.undo_manager.redo() |
| 453 |
#pass |
| 454 |
|
| 455 |
def preview_canvas(self,widget): |
| 456 |
""" |
| 457 |
Output an ASCEND representation of the canvas on the commandline. |
| 458 |
Under development. |
| 459 |
""" |
| 460 |
self.status.push(0,"Canvasmodel state : %s"% self.view.canvas.canvasmodelstate) |
| 461 |
#info.Info(self.view.parent.parent.parent.parent.parent,str(self.view.canvas),"Canvas Preview").run() |
| 462 |
canvasproperties.CanvasProperties(self).run() |
| 463 |
|
| 464 |
def export_svg_as(self,widget): |
| 465 |
|
| 466 |
f = None |
| 467 |
dialog = gtk.FileChooserDialog("Export Canvas As...", None, |
| 468 |
gtk.FILE_CHOOSER_ACTION_SAVE, (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_SAVE, gtk.RESPONSE_OK)) |
| 469 |
dialog.set_default_response(gtk.RESPONSE_OK) |
| 470 |
filter = gtk.FileFilter() |
| 471 |
filter.set_name("Image File") |
| 472 |
filter.add_pattern("*.svg") |
| 473 |
dialog.add_filter(filter) |
| 474 |
dialog.show() |
| 475 |
response = dialog.run() |
| 476 |
|
| 477 |
svgview = View(self.view.canvas) |
| 478 |
svgview.painter = ItemPainter() |
| 479 |
|
| 480 |
# Update bounding boxes with a temporaly CairoContext |
| 481 |
# (used for stuff like calculating font metrics) |
| 482 |
tmpsurface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 0, 0) |
| 483 |
tmpcr = cairo.Context(tmpsurface) |
| 484 |
svgview.update_bounding_box(tmpcr) |
| 485 |
tmpcr.show_page() |
| 486 |
tmpsurface.flush() |
| 487 |
|
| 488 |
if response == gtk.RESPONSE_OK: |
| 489 |
name = dialog.get_filename() |
| 490 |
if '.svg' not in name: |
| 491 |
name += '.svg' |
| 492 |
if f == None and f != name: |
| 493 |
f = open(name, 'w') |
| 494 |
elif f != None and name == f: |
| 495 |
dialog.set_do_overwrite_confirmation(True) |
| 496 |
dialog.connect("confirm-overwrite", self.confirm_overwrite_callback) |
| 497 |
|
| 498 |
fn = name |
| 499 |
w, h = svgview.bounding_box.width, svgview.bounding_box.height |
| 500 |
surface = cairo.SVGSurface(fn , w, h) |
| 501 |
cr = cairo.Context(surface) |
| 502 |
svgview.matrix.translate(-svgview.bounding_box.x, -svgview.bounding_box.y) |
| 503 |
svgview.paint(cr) |
| 504 |
cr.show_page() |
| 505 |
surface.flush() |
| 506 |
surface.finish() |
| 507 |
self.reporter.reportNote(" File ' %s ' saved successfully." % name ) |
| 508 |
self.status.push(0,"Wrote SVG file '%s'." % fn) |
| 509 |
dialog.destroy() |
| 510 |
|
| 511 |
|
| 512 |
def export_svg(self,widget): |
| 513 |
svgview = View(self.view.canvas) |
| 514 |
svgview.painter = ItemPainter() |
| 515 |
|
| 516 |
# Update bounding boxes with a temporaly CairoContext |
| 517 |
# (used for stuff like calculating font metrics) |
| 518 |
tmpsurface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 0, 0) |
| 519 |
tmpcr = cairo.Context(tmpsurface) |
| 520 |
svgview.update_bounding_box(tmpcr) |
| 521 |
tmpcr.show_page() |
| 522 |
tmpsurface.flush() |
| 523 |
|
| 524 |
fn = 'demo.svg' |
| 525 |
w, h = svgview.bounding_box.width, svgview.bounding_box.height |
| 526 |
surface = cairo.SVGSurface(fn , w, h) |
| 527 |
cr = cairo.Context(surface) |
| 528 |
svgview.matrix.translate(-svgview.bounding_box.x, -svgview.bounding_box.y) |
| 529 |
svgview.paint(cr) |
| 530 |
cr.show_page() |
| 531 |
surface.flush() |
| 532 |
surface.finish() |
| 533 |
|
| 534 |
self.status.push(0,"Wrote SVG file '%s'." % fn) |
| 535 |
|
| 536 |
def run_presaved_canvas(self,widget): |
| 537 |
#TODO: Separate |
| 538 |
if self.view.canvas.saved_model is not None: |
| 539 |
model = self.view.canvas.saved_model |
| 540 |
self.ascwrap.library.loadString(model,"canvasmodel") |
| 541 |
|
| 542 |
T = self.ascwrap.library.findType("canvasmodel") |
| 543 |
M = T.getSimulation('canvassim',True) |
| 544 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 545 |
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
| 546 |
|
| 547 |
for item in self.view.canvas.get_all_items(): |
| 548 |
if hasattr(item, 'blockinstance'): |
| 549 |
bi = item.blockinstance |
| 550 |
for i in self.ascwrap.library.modules.getChildren()[0].getChildren(): |
| 551 |
if str(bi.name) == str(i.getName()): |
| 552 |
bi.instance = i |
| 553 |
|
| 554 |
def load_presaved_canvas(self,widget): |
| 555 |
#TODO: Separate |
| 556 |
print self.view.canvas.saved_data |
| 557 |
try: |
| 558 |
if self.view.canvas.saved_data is not None: |
| 559 |
model = str(self.view.canvas) |
| 560 |
self.ascwrap.library.loadString(model,"canvasmodel") |
| 561 |
T = self.ascwrap.library.findType("canvasmodel") |
| 562 |
M = T.getSimulation('canvassim') |
| 563 |
|
| 564 |
def assignval(sim_inst, name): |
| 565 |
if sim_inst.isAtom(): |
| 566 |
try: |
| 567 |
sim_inst.setRealValue(self.view.canvas.saved_data[name]) |
| 568 |
except Exception,e: |
| 569 |
print e |
| 570 |
elif sim_inst.isRelation(): |
| 571 |
pass |
| 572 |
else: |
| 573 |
for i in sim_inst.getChildren(): |
| 574 |
k = name+"."+str(i.getName()) |
| 575 |
assignval(i,k) |
| 576 |
|
| 577 |
for i in M.getChildren()[0].getChildren(): |
| 578 |
assignval(i, str(i.getName())) |
| 579 |
|
| 580 |
for item in self.view.canvas.get_all_items(): |
| 581 |
if hasattr(item, 'blockinstance'): |
| 582 |
bi = item.blockinstance |
| 583 |
for i in M.getChildren()[0].getChildren(): |
| 584 |
if str(bi.name) == str(i.getName()): |
| 585 |
bi.instance = i |
| 586 |
self.status.push(0,"Canvasmodel state : %s"% self.view.canvas.canvasmodelstate) |
| 587 |
except AttributeError: |
| 588 |
self.status.push(0,"Canvasmodel state : Unsolved") |
| 589 |
|
| 590 |
def run_canvas(self,widget): |
| 591 |
#TODO: Separate |
| 592 |
""" |
| 593 |
Exports canvas to ASCEND solver and attempts to solve it. Also provides realtime feedback. |
| 594 |
""" |
| 595 |
self.undo_manager.reset() |
| 596 |
model = str(self.view.canvas) |
| 597 |
#print model |
| 598 |
self.view.canvas.saved_model = model |
| 599 |
self.view.canvas.saved_data = {} |
| 600 |
|
| 601 |
self.ascwrap.library.loadString(model,"canvasmodel") |
| 602 |
T = self.ascwrap.library.findType("canvasmodel") |
| 603 |
|
| 604 |
|
| 605 |
self.M = T.getSimulation('canvassim') |
| 606 |
self.M.setSolver(ascpy.Solver("QRSlv")) |
| 607 |
self.reporter = ascpy.getReporter() |
| 608 |
reporter = PopupSolverReporter(self,self.M.getNumVars()) |
| 609 |
|
| 610 |
try: |
| 611 |
self.M.build() |
| 612 |
except RuntimeError,e: |
| 613 |
print "Couldn't build system: %s" % str(e) |
| 614 |
self.status.push(0,"Couldn't build system: %s" % str(e)); |
| 615 |
return |
| 616 |
|
| 617 |
self.status.push(0,"Solving with 'QRSlv'. Please Wait...") |
| 618 |
|
| 619 |
try: |
| 620 |
self.M.solve(ascpy.Solver("QRSlv"),reporter) |
| 621 |
self.reporterrorblock(self.M) |
| 622 |
except RuntimeError: |
| 623 |
self.reporterrorblock(self.M) |
| 624 |
|
| 625 |
for item in self.view.canvas.get_all_items(): |
| 626 |
if hasattr(item, 'blockinstance'): |
| 627 |
bi = item.blockinstance |
| 628 |
for i in self.M.getChildren()[0].getChildren(): |
| 629 |
if str(bi.name) == str(i.getName()): |
| 630 |
bi.instance = i |
| 631 |
|
| 632 |
#Storing solved variables into a dictionary which will be pickled |
| 633 |
for i in self.M.getallVariables(): |
| 634 |
self.view.canvas.saved_data[str(i.getName())] = i.getValue() |
| 635 |
|
| 636 |
def about(self, widget): |
| 637 |
about = gtk.AboutDialog() |
| 638 |
about.set_program_name("ASCEND CANVAS") |
| 639 |
about.set_version("0.9.6x alpha") |
| 640 |
about.set_copyright("Carnegie Mellon University") |
| 641 |
about.set_comments("Canvas - Based GUI Modeller for Energy Systems") |
| 642 |
about.set_website("http://www.ascend.cheme.cmu.edu") |
| 643 |
windowicon = gtk.Image() |
| 644 |
windowicon.set_from_file(os.path.join("../glade/ascend.svg")) |
| 645 |
about.set_icon(windowicon.get_pixbuf()) |
| 646 |
about.set_logo(gtk.gdk.pixbuf_new_from_file("../glade/ascend.png")) |
| 647 |
about.run() |
| 648 |
about.destroy() |
| 649 |
|
| 650 |
def dummy(self, widget): |
| 651 |
dum = gtk.MessageDialog(self, gtk.DIALOG_DESTROY_WITH_PARENT, gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, "Sorry ! This fuctionality is not implemented yet.") |
| 652 |
dum.run() |
| 653 |
dum.destroy() |
| 654 |
|
| 655 |
def fileopen(self, widget): |
| 656 |
dialog = gtk.FileChooserDialog("Open..",self,gtk.FILE_CHOOSER_ACTION_OPEN, (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK)) |
| 657 |
dialog.set_default_response(gtk.RESPONSE_OK) |
| 658 |
filter = gtk.FileFilter() |
| 659 |
filter.set_name("Canvas Files") |
| 660 |
filter.add_mime_type("Canvas Files/a4b") |
| 661 |
filter.add_pattern("*.a4b") |
| 662 |
dialog.add_filter(filter) |
| 663 |
filter = gtk.FileFilter() |
| 664 |
filter.set_name("All files") |
| 665 |
filter.add_pattern("*") |
| 666 |
dialog.add_filter(filter) |
| 667 |
|
| 668 |
res = dialog.run() |
| 669 |
if res == gtk.RESPONSE_OK: |
| 670 |
result = dialog.get_filename() |
| 671 |
self.load_canvas_file(result) |
| 672 |
dialog.destroy() |
| 673 |
|
| 674 |
def load_canvas_file(self,filename): |
| 675 |
#TODO: Separate |
| 676 |
f = file(filename,"r") |
| 677 |
try: |
| 678 |
self.view.canvas = pickle.load(f) |
| 679 |
if self.view.canvas.model_library is not None: |
| 680 |
self.loadlib(self, self.view.canvas.model_library) |
| 681 |
self.view.canvas.reattach_ascend(self.ascwrap.library,self.ascwrap.annodb) |
| 682 |
self.view.canvas.update_now() |
| 683 |
self.view.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#FFF')) |
| 684 |
self.load_presaved_canvas(None) |
| 685 |
self.reporter.reportError(" File %s successfully loaded." % filename) |
| 686 |
self.status.push(0,"File %s Loaded." % filename) |
| 687 |
self.view.canvas.filename = filename |
| 688 |
except Exception,e: |
| 689 |
self.reporter.reportError(" Error occured while attempting to 'Load' the file. File could be loaded properly.") |
| 690 |
print e |
| 691 |
finally: |
| 692 |
f.close() |
| 693 |
|
| 694 |
def filesave(self, widget): |
| 695 |
f = None |
| 696 |
dialog = gtk.FileChooserDialog("Save..", self, gtk.FILE_CHOOSER_ACTION_SAVE, (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_SAVE, gtk.RESPONSE_OK)) |
| 697 |
dialog.set_default_response(gtk.RESPONSE_OK) |
| 698 |
if self.view.canvas.filestate == 0: |
| 699 |
dialog.set_filename("untitled") |
| 700 |
filter = gtk.FileFilter() |
| 701 |
filter.set_name("Canvas File") |
| 702 |
filter.add_pattern("*.a4b") |
| 703 |
dialog.add_filter(filter) |
| 704 |
dialog.show() |
| 705 |
dialog.set_do_overwrite_confirmation(True) |
| 706 |
dialog.connect("confirm-overwrite", self.confirm_overwrite_callback) |
| 707 |
response = dialog.run() |
| 708 |
if response == gtk.RESPONSE_OK: |
| 709 |
name = dialog.get_filename() |
| 710 |
if '.a4b' not in name: |
| 711 |
name += '.a4b' |
| 712 |
if f == None and f != name: |
| 713 |
f = open(name, 'w') |
| 714 |
|
| 715 |
try: |
| 716 |
pickle.dump(self.view.canvas,f) |
| 717 |
self.reporter.reportNote(" File ' %s ' saved successfully." % name ) |
| 718 |
self.status.push(0,"CanvasModel Saved.") |
| 719 |
self.view.canvas.filestate = 1 |
| 720 |
self.view.canvas.filename = name |
| 721 |
except Exception,e: |
| 722 |
print "ERROR:",str(e) |
| 723 |
b = obrowser.Browser("canvas",self.view.canvas) |
| 724 |
d = gtk.Dialog("Error",self,gtk.DIALOG_DESTROY_WITH_PARENT,(gtk.STOCK_OK, gtk.RESPONSE_ACCEPT)) |
| 725 |
d.vbox.add(gtk.Label(str(e))) |
| 726 |
d.show_all() |
| 727 |
d.run() |
| 728 |
d.hide() |
| 729 |
finally: |
| 730 |
f.close() |
| 731 |
dialog.destroy() |
| 732 |
|
| 733 |
def confirm_overwrite_callback(self, widget): |
| 734 |
uri = gtk.FileChooserDialog.get_filename() |
| 735 |
if is_uri_read_only(uri): |
| 736 |
if user_wants_to_replace_read_only_file (uri): |
| 737 |
return gtk.FILE_CHOOSER_CONFIRMATION_ACCEPT_FILENAME |
| 738 |
else: |
| 739 |
return gtk.FILE_CHOOSER_CONFIRMATION_SELECT_AGAIN |
| 740 |
else: |
| 741 |
return gtk.FILE_CHOOSER_CONFIRMATION_CONFIRM |
| 742 |
return |
| 743 |
|
| 744 |
|
| 745 |
def bp(self, widget = None): |
| 746 |
if self.view.focused_item: |
| 747 |
blockproperties.BlockProperties(self, self.view.focused_item).run() |
| 748 |
else: |
| 749 |
m = gtk.MessageDialog(self, gtk.DIALOG_DESTROY_WITH_PARENT, gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, "No Block was selected! Please select a Block to view its properties.") |
| 750 |
m.run() |
| 751 |
m.destroy() |
| 752 |
|
| 753 |
def reporterrorblock(self, sim): |
| 754 |
#TODO: Separate |
| 755 |
self.errortext = "Canvasmodel could NOT be solved \n Blocks which couldnot be solved:" |
| 756 |
|
| 757 |
def checkifsolved(sim_inst, name): |
| 758 |
if sim_inst.getType().isRefinedSolverVar(): |
| 759 |
try: |
| 760 |
#if sim_inst.getStatus() == 2 : |
| 761 |
# print name + " -> " + str(sim_inst.getStatus()) |
| 762 |
# self.errorvars.append(name) |
| 763 |
if sim_inst.getStatus() == 3: |
| 764 |
self.errorvars.append(name) |
| 765 |
|
| 766 |
except Exception,e: |
| 767 |
print e |
| 768 |
elif sim_inst.isRelation(): |
| 769 |
pass |
| 770 |
else: |
| 771 |
for i in sim_inst.getChildren(): |
| 772 |
k = name+"."+str(i.getName()) |
| 773 |
checkifsolved(i,k) |
| 774 |
|
| 775 |
self.errorvars = [] |
| 776 |
self.errorblocks = [] |
| 777 |
self.activevar = [] |
| 778 |
for i in sim.getChildren()[0].getChildren(): |
| 779 |
print i.getName() |
| 780 |
checkifsolved(i, str(i.getName())) |
| 781 |
|
| 782 |
print self.errorvars |
| 783 |
for i in sim.getChildren()[0].getChildren(): |
| 784 |
for j in self.errorvars: |
| 785 |
if str(i.getName()) in j: |
| 786 |
if str(i.getName()) in self.errorblocks: |
| 787 |
pass |
| 788 |
else: |
| 789 |
self.errortext += '\n' |
| 790 |
self.errortext += str(i.getName()) #+' --> ' + ' couldnot be solved' |
| 791 |
self.errorblocks.append(str(i.getName())) |
| 792 |
print self.errorblocks |
| 793 |
self.fill_blocks() |
| 794 |
|
| 795 |
|
| 796 |
def fill_blocks(self): |
| 797 |
cr = self.view.canvas._obtain_cairo_context() |
| 798 |
for item in self.view.canvas.get_all_items(): |
| 799 |
if hasattr(item, 'blockinstance'): |
| 800 |
bi = item.blockinstance |
| 801 |
bi.color_r = 1 |
| 802 |
bi.color_g = 1 |
| 803 |
bi.color_b = 1 |
| 804 |
flag = 0 |
| 805 |
for item in self.view.canvas.get_all_items(): |
| 806 |
if hasattr(item, 'blockinstance'): |
| 807 |
bi = item.blockinstance |
| 808 |
for i in self.errorblocks: |
| 809 |
if str(bi.name) == str(i): |
| 810 |
bi.color_r = .5 |
| 811 |
bi.color_g = 0 |
| 812 |
bi.color_b = 0 |
| 813 |
flag = 1 |
| 814 |
|
| 815 |
print "updating canvas" |
| 816 |
self.view.canvas.update_now() |
| 817 |
if flag == 1: |
| 818 |
self.view.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#F88')) |
| 819 |
flag = 0 |
| 820 |
else: |
| 821 |
self.view.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#AFA')) |
| 822 |
|
| 823 |
def load_library_dialog(self,widget): |
| 824 |
#TODO: separate |
| 825 |
dialog = gtk.FileChooserDialog('Load Library...',self, gtk.FILE_CHOOSER_ACTION_OPEN,(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK)) |
| 826 |
dialog.set_default_response(gtk.RESPONSE_OK) |
| 827 |
dialog.set_current_folder(os.path.join(self.ascwrap.defaultlibraryfolder)) |
| 828 |
|
| 829 |
filter = gtk.FileFilter() |
| 830 |
filter.set_name("Canvas Files") |
| 831 |
filter.add_mime_type("Canvas Files/a4c") |
| 832 |
filter.add_pattern("*.a4c") |
| 833 |
dialog.add_filter(filter) |
| 834 |
|
| 835 |
filter = gtk.FileFilter() |
| 836 |
filter.set_name("All files") |
| 837 |
filter.add_pattern("*") |
| 838 |
dialog.add_filter(filter) |
| 839 |
|
| 840 |
res = dialog.run() |
| 841 |
if res == gtk.RESPONSE_OK: |
| 842 |
result = dialog.get_filename() |
| 843 |
self.loadlib(lib_name = os.path.basename(result)) |
| 844 |
dialog.destroy() |
| 845 |
|
| 846 |
|
| 847 |
def loadlib(self, widget = None, lib_name = None): |
| 848 |
##TODO: Separate |
| 849 |
#if loadcondition == 1: |
| 850 |
#if self.view.canvas.model_library == lib_name: |
| 851 |
#m = gtk.MessageDialog(self, gtk.DIALOG_DESTROY_WITH_PARENT, gtk.MESSAGE_WARNING, gtk.BUTTONS_CLOSE, "The selected Library is already loaded. ") |
| 852 |
#m.run() |
| 853 |
#m.destroy() |
| 854 |
#return |
| 855 |
#if self.view.canvas.get_all_items(): |
| 856 |
#m = gtk.MessageDialog(self, gtk.DIALOG_DESTROY_WITH_PARENT, gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, "Unable to switch Library ! The canvas contains models from present Model Library. ") |
| 857 |
#m.run() |
| 858 |
#m.destroy() |
| 859 |
#return |
| 860 |
|
| 861 |
#print lib_path |
| 862 |
self.ascwrap.load_library(lib_name) |
| 863 |
|
| 864 |
self.view.canvas.model_library = lib_name |
| 865 |
|
| 866 |
self.scroll.remove(self.blockiconview) |
| 867 |
self.blockiconview = BlockIconView(self.ascwrap.canvas_blocks, self) |
| 868 |
self.scroll.add(self.blockiconview) |
| 869 |
self.show_all() |
| 870 |
|
| 871 |
#self.status.push(0, " Library '%s' loaded :: Found %d block types." %(lib_name, (len(blocks)))) |
| 872 |
|
| 873 |
def get_libraries_from_folder(self,path=None): |
| 874 |
'Returns a dictionary of library names with their paths' |
| 875 |
if path == None: |
| 876 |
return |
| 877 |
libs = {} |
| 878 |
locs = glob.glob(os.path.join(path,'*.a4c')) |
| 879 |
for loc in locs: |
| 880 |
name = loc.strip(path) |
| 881 |
libs[name] = loc |
| 882 |
return libs |
| 883 |
|
| 884 |
def zoom(self, widget): |
| 885 |
zoom = {'ZoomIn':1.2,'ZoomOut':0.8,'BestFit':1.0} |
| 886 |
x = zoom[widget.get_name()] |
| 887 |
self.act = self.act*x |
| 888 |
self.view.zoom(x) |
| 889 |
|
| 890 |
|
| 891 |
def fullscrn(self, widget): |
| 892 |
try: |
| 893 |
if self.flag == 1: |
| 894 |
self.unfullscreen() |
| 895 |
self.flag = 0 |
| 896 |
else: |
| 897 |
self.fullscreen() |
| 898 |
self.flag = 1 |
| 899 |
except: |
| 900 |
self.fullscreen() |
| 901 |
self.flag = 1 |
| 902 |
|
| 903 |
|
| 904 |
def on_contents_click(self, widget): |
| 905 |
_help = help.Help(url="http://ascendwiki.cheme.cmu.edu/Canvas-based_modeller_for_ASCEND ") |
| 906 |
_help.run() |
| 907 |
|
| 908 |
def on_get_help_online_click(self, widget): |
| 909 |
_help = help.Help(url="http://ascendwiki.cheme.cmu.edu/Canvas_Development") |
| 910 |
_help.run() |
| 911 |
|
| 912 |
def on_report_a_bug_click(self, widget): |
| 913 |
_help = help.Help(url="http://ascendbugs.cheme.cmu.edu/report/") |
| 914 |
_help.run() |
| 915 |
|
| 916 |
def quit(self,args): |
| 917 |
del(self.prefs) |
| 918 |
self.destroy() |
Parent Directory
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