src/pyqt/gui/Appli.py

   1 # Copyright (C) 2006-2012  CEA/DEN, EDF R&D
   2 #
   3 # This library is free software; you can redistribute it and/or
   4 # modify it under the terms of the GNU Lesser General Public
   5 # License as published by the Free Software Foundation; either
   6 # version 2.1 of the License.
   7 #
   8 # This library is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 # Lesser General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU Lesser General Public
  14 # License along with this library; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 #
  17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 #
  19
  20 """
  21 """
  22 import sys,os
  23 from qt import *
  24 import Tree
  25 import PanelManager
  26 import BoxManager
  27 import Icons
  28 import Items
  29 import adapt
  30 import Item
  31 import logview
  32 import pilot
  33 import threading
  34 import time
  35 import CONNECTOR
  36 import catalog
  37 import traceback
  38 import glob
  39
  40 class ErrorEvent(QCustomEvent):
  41   def __init__(self,caption,msg):
  42     QCustomEvent.__init__(self,8888)
  43     self.caption=caption
  44     self.msg=msg
  45   def process(self,parent):
  46     QMessageBox.warning(parent,self.caption,self.msg)
  47
  48 class Runner(threading.Thread):
  49   def __init__(self,parent,executor,proc):
  50     threading.Thread.__init__(self)
  51     self.parent=parent
  52     self.executor=executor
  53     self.proc=proc
  54
  55   def run(self):
  56     try:
  57       self.executor.RunW(self.proc,0)
  58     except ValueError,ex:
  59       #traceback.print_exc()
  60       QApplication.postEvent(self.parent, ErrorEvent('YACS execution error',str(ex)))
  61
  62 class Browser(QVBox):
  63   def __init__(self,parent,proc):
  64     QVBox.__init__(self,parent)
  65     pp=Item.adapt(proc)
  66     self.proc=proc
  67     self.pproc=pp
  68     self.hSplitter = QSplitter(self,"hSplitter")
  69     self.objectBrowser=Tree.Tree(self.hSplitter,self.onSelect,self.onDblSelect)
  70     self.objectBrowser.additem(pp)
  71     self.panelManager=PanelManager.PanelManager(self.hSplitter)
  72     self.panelManager.setRootItem(pp)
  73     self.boxManager=BoxManager.BoxManager(self.hSplitter)
  74     self.boxManager.setRootItem(pp)
  75     self.selected=None
  76     self.executor=None
  77     self.resume=0
  78     self.thr=None
  79     self.log=logview.LogView()
  80
  81   def view_log(self):
  82     self.log.text.setText(self.proc.getLogger("parser").getStr())
  83     self.log.show()
  84
  85   def onDblSelect(self,item):
  86     #item is instance of Item.Item
  87     pass
  88
  89   def onSelect(self,item):
  90     #item is instance of Item.Item
  91     self.selected=item
  92
  93   def customEvent(self,ev):
  94     if ev.type() == 8888:
  95       ev.process(self)
  96
  97   def run(self):
  98     if not self.executor:
  99       self.executor = pilot.ExecutorSwig()
 100     if self.thr and self.thr.isAlive():
 101       return
 102     #continue execution mode
 103     self.executor.setExecMode(0)
 104     #execute it in a thread
 105     self.thr = Runner(self, self.executor, self.proc)
 106     #as a daemon (no need to join)
 107     self.thr.setDaemon(1)
 108     #start the thread
 109     self.thr.start()
 110     time.sleep(0.1)
 111     self.resume=0
 112
 113   def susp(self):
 114     """Suspend or resume an executing schema"""
 115     if not self.executor:
 116       return
 117     if not self.thr.isAlive():
 118       return
 119
 120     if self.resume:
 121       #continue execution mode
 122       self.executor.setExecMode(0)
 123       #resume it
 124       self.executor.resumeCurrentBreakPoint()
 125       self.resume=0
 126     else:
 127       #step by step execution mode
 128       self.executor.setExecMode(1)
 129       self.resume=1
 130
 131   def step(self):
 132     """Step on a paused schema"""
 133     if not self.executor:
 134       self.executor = pilot.ExecutorSwig()
 135     if not self.thr or not self.thr.isAlive():
 136       #start in step by step mode
 137       self.executor.setExecMode(1)
 138       self.thr = Runner(self, self.executor, self.proc)
 139       self.thr.setDaemon(1)
 140       self.thr.start()
 141       self.resume=1
 142       return
 143
 144     #step by step execution mode
 145     self.resume=1
 146     self.executor.setExecMode(1)
 147     #resume it
 148     self.executor.resumeCurrentBreakPoint()
 149
 150   def stop(self):
 151     """Stop the schema"""
 152     if not self.executor:
 153       return
 154     if not self.thr.isAlive():
 155       return
 156     self.executor.setExecMode(1)
 157     self.executor.waitPause()
 158     self.executor.resumeCurrentBreakPoint()
 159     #self.executor.stopExecution()
 160
 161 class Appli(QMainWindow):
 162   """
 163       Appli()
 164       Cree la fenetre principale de l'interface utilisateur
 165   """
 166   def __init__(self):
 167     QMainWindow.__init__(self)
 168     self.createWidgets()
 169     self.initActions()
 170     self.initMenus()
 171     self.initToolbar()
 172     self.initStatusbar()
 173     self.initYACS()
 174
 175   def createWidgets(self):
 176     self.tabWidget = QTabWidget(self)
 177     self.currentPanel=None
 178     self.connect(self.tabWidget, SIGNAL('currentChanged(QWidget *)'),self.handlePanelChanged)
 179     self.setCentralWidget(self.tabWidget)
 180     self.resize(800,600)
 181
 182   def handlePanelChanged(self,panel):
 183     self.currentPanel=panel
 184
 185   def initActions(self):
 186     self.actions = []
 187
 188     self.newAct=QAction('New', QIconSet(Icons.get_image("new")), '&New',
 189                           QKeySequence("CTRL+N"),self)
 190     self.newAct.setStatusTip('Open an empty editor window')
 191     self.newAct.setWhatsThis( """<b>New</b>"""
 192             """<p>An empty editor window will be created.</p>""")
 193     self.newAct.connect(self.newAct,SIGNAL('activated()'), self.newProc)
 194     self.actions.append(self.newAct)
 195
 196     self.prefAct=QAction('Preferences',QIconSet(Icons.get_image("configure.png")),'&Preferences...',
 197                            0, self)
 198     self.prefAct.setStatusTip('Set the prefered configuration')
 199     self.prefAct.setWhatsThis("""<b>Preferences</b>"""
 200                               """<p>Set the configuration items of the application"""
 201                               """ with your prefered values.</p>""")
 202     self.prefAct.connect(self.prefAct,SIGNAL('activated()'), self.handlePreferences)
 203     self.actions.append(self.prefAct)
 204
 205     self.runAct=QAction('Run',QIconSet(Icons.get_image("run.png")),'&Run',0,self)
 206     self.runAct.connect(self.runAct,SIGNAL('activated()'), self.run)
 207     self.runAct.setStatusTip('Run the selected schema')
 208     self.actions.append(self.runAct)
 209
 210     self.suspAct=QAction('Suspend/resume',QIconSet(Icons.get_image("suspend-resume.gif")),'&Suspend/resume',0,self)
 211     self.suspAct.connect(self.suspAct,SIGNAL('activated()'), self.susp)
 212     self.suspAct.setStatusTip('Suspend/resume the selected schema')
 213     self.actions.append(self.suspAct)
 214
 215     self.stepAct=QAction('Step',QIconSet(Icons.get_image("steps.png")),'&Step',0,self)
 216     self.stepAct.connect(self.stepAct,SIGNAL('activated()'), self.step)
 217     self.stepAct.setStatusTip('Step the selected schema')
 218     self.actions.append(self.stepAct)
 219
 220     self.stopAct=QAction('Stop',QIconSet(Icons.get_image("kill.png")),'&Stop',0,self)
 221     self.stopAct.connect(self.stopAct,SIGNAL('activated()'), self.stop)
 222     self.stopAct.setStatusTip('Stop the selected schema')
 223     self.actions.append(self.stopAct)
 224
 225     self.cataToolAct=QAction('Catalog Tool',0,self,"catatool")
 226     self.cataToolAct.connect(self.cataToolAct,SIGNAL('activated()'), self.cata_tool)
 227     self.actions.append(self.cataToolAct)
 228
 229   def initMenus(self):
 230     menubar = self.menuBar()
 231
 232     #menu file
 233     self.fileMenu=QPopupMenu(self)
 234     self.newAct.addTo(self.fileMenu)
 235     self.fileMenu.insertItem("&Open", self.openFile)
 236     self.fileMenu.insertItem("&Open Salome", self.openSalomeFile)
 237     self.loadersMenu = QPopupMenu(self)
 238     self.fileMenu.insertItem("Loaders", self.loadersMenu)
 239     self.loaders=[]
 240     for file in glob.glob("/local/chris/SALOME2/SUPERV/YACS/BR_CC/YACS_SRC/src/pyqt/*loader.py"):
 241       d,f=os.path.split(file)
 242       name=f[:-9]
 243       def call_loader(event,obj=self,file=file):
 244         obj.openFileWithLoader(file)
 245       self.loaders.append(call_loader)
 246       self.loadersMenu.insertItem(name, call_loader)
 247     menubar.insertItem('&File',self.fileMenu)
 248
 249     #menu settings
 250     self.settingsMenu = QPopupMenu(self)
 251     menubar.insertItem('&Settings', self.settingsMenu)
 252     self.settingsMenu.insertTearOffHandle()
 253     self.prefAct.addTo(self.settingsMenu)
 254
 255     #menu Edit
 256     self.editMenu = QPopupMenu(self)
 257     self.editMenu.insertItem("&Add node", self.addNode)
 258     menubar.insertItem('&Edit', self.editMenu)
 259
 260     #menu Canvas
 261     #sous menu layout
 262     self.layoutMenu = QPopupMenu(self)
 263     self.layoutMenu.insertItem("&Left Right", self.LR)
 264     self.layoutMenu.insertItem("Right Left", self.RL)
 265     self.layoutMenu.insertItem("Top Bottom", self.TB)
 266     self.layoutMenu.insertItem("Bottom Top", self.BT)
 267     self.canvasMenu = QPopupMenu(self)
 268     self.canvasMenu.insertItem("&Zoom in", self.zoomIn)
 269     self.canvasMenu.insertItem("Zoom &out", self.zoomOut)
 270     self.canvasMenu.insertItem("Layout", self.layoutMenu)
 271     self.canvasMenu.insertItem("Ortholinks", self.orthoLinks)
 272     self.canvasMenu.insertItem("Clearlinks", self.clearLinks)
 273     self.canvasMenu.insertItem("&Update", self.updateCanvas)
 274     menubar.insertItem('&Canvas', self.canvasMenu)
 275
 276     #menu window
 277     self.windowMenu = QPopupMenu(self)
 278     self.cataToolAct.addTo(self.windowMenu)
 279     self.windowMenu.insertItem("&Log", self.view_log)
 280     menubar.insertItem('&Window', self.windowMenu)
 281     self.connect(self.windowMenu, SIGNAL('aboutToShow()'), self.handleWindowMenu)
 282
 283     #menu help
 284     self.help=QPopupMenu(self)
 285     menubar.insertItem('&Help',self.help)
 286     self.help.insertItem('&About',self.about,Qt.Key_F1)
 287     self.help.insertItem('About &Qt',self.aboutQt)
 288
 289   def initYACS(self):
 290     import pilot
 291     import loader
 292     import salomeloader
 293     self.runtime= pilot.getRuntime()
 294     self.loader = loader.YACSLoader()
 295     self.executor = pilot.ExecutorSwig()
 296     self.salomeloader=salomeloader.SalomeLoader()
 297     self.loader.registerProcCataLoader()
 298
 299   def openSalomeFile(self):
 300     fn = QFileDialog.getOpenFileName(QString.null,QString.null,self)
 301     if fn.isEmpty():
 302       self.statusBar().message('Loading aborted',2000)
 303       return
 304     fileName = str(fn)
 305     proc=self.salomeloader.load(fileName)
 306     logger=proc.getLogger("parser")
 307     if logger.hasErrors():
 308       self.logFile=logview.LogView()
 309       self.logFile.text.setText(logger.getStr())
 310       self.logFile.show()
 311
 312     panel=Browser(self.tabWidget,proc)
 313     self.currentPanel=panel
 314     self.tabWidget.addTab( panel,os.path.basename(fileName))
 315     self.tabWidget.showPage(panel)
 316
 317   def openFile(self):
 318     fn = QFileDialog.getOpenFileName(QString.null,QString.null,self)
 319     if fn.isEmpty():
 320       self.statusBar().message('Loading aborted',2000)
 321       return
 322     fileName = str(fn)
 323     proc=self.loader.load(fileName)
 324     logger=proc.getLogger("parser")
 325     if logger.hasErrors():
 326       self.logFile=logview.LogView()
 327       self.logFile.text.setText(logger.getStr())
 328       self.logFile.show()
 329
 330     panel=Browser(self.tabWidget,proc)
 331     self.currentPanel=panel
 332     self.tabWidget.addTab( panel,os.path.basename(fileName))
 333     self.tabWidget.showPage(panel)
 334
 335   def newProc(self):
 336     r=pilot.getRuntime()
 337     proc=r.createProc("pr")
 338     panel=Browser(self.tabWidget,proc)
 339     self.currentPanel=panel
 340     self.tabWidget.addTab( panel,proc.getName())
 341     self.tabWidget.showPage(panel)
 342
 343   def openFileWithLoader(self,file):
 344     d,f=os.path.split(file)
 345     sys.path.insert(0,d)
 346     module=__import__(os.path.splitext(f)[0])
 347     del sys.path[0]
 348     loader=module.Loader()
 349
 350     fn = QFileDialog.getOpenFileName(QString.null,QString.null,self)
 351     if fn.isEmpty():
 352       self.statusBar().message('Loading aborted',2000)
 353       return
 354     fileName = str(fn)
 355     proc=loader.load(fileName)
 356     logger=proc.getLogger("parser")
 357     if logger.hasErrors():
 358       self.logFile=logview.LogView()
 359       self.logFile.text.setText(logger.getStr())
 360       self.logFile.show()
 361
 362     panel=Browser(self.tabWidget,proc)
 363     self.currentPanel=panel
 364     self.tabWidget.addTab( panel,os.path.basename(fileName))
 365     self.tabWidget.showPage(panel)
 366
 367   def cata_tool(self):
 368     self.catalogTool=catalog.CatalogTool(self)
 369     self.catalogTool.show()
 370     return
 371
 372   def view_log(self):
 373     if self.currentPanel:
 374       self.currentPanel.view_log()
 375
 376   def LR(self,*args ):self.rankdir("LR")
 377   def RL(self,*args ):self.rankdir("RL")
 378   def TB(self,*args ):self.rankdir("TB")
 379   def BT(self,*args ):self.rankdir("BT")
 380
 381   def rankdir(self,orient):
 382     if self.currentPanel and self.currentPanel.panelManager.visible:
 383       self.currentPanel.panelManager.visible.layout(orient)
 384
 385   def updateCanvas(self):
 386     if self.currentPanel.selected:#item selected
 387       if isinstance(self.currentPanel.selected,Items.ItemComposedNode):
 388         #can update
 389         self.currentPanel.selected.graph.editor.updateCanvas()
 390
 391   def addNode(self,node):
 392     if self.currentPanel and self.currentPanel.selected:#item selected
 393       if isinstance(self.currentPanel.selected,Items.ItemComposedNode):
 394         #can add node
 395         self.currentPanel.selected.addNode(node)
 396
 397   def zoomIn(self):
 398     if self.currentPanel and self.currentPanel.panelManager.visible:
 399       if isinstance(self.currentPanel.panelManager.visible,Items.ItemComposedNode):
 400         #we can zoom
 401         self.currentPanel.panelManager.visible.graph.editor.zoomIn()
 402
 403   def zoomOut(self):
 404     if self.currentPanel and self.currentPanel.panelManager.visible:
 405       if isinstance(self.currentPanel.panelManager.visible,Items.ItemComposedNode):
 406         #we can unzoom
 407         self.currentPanel.panelManager.visible.graph.editor.zoomOut()
 408
 409   def orthoLinks(self):
 410     if self.currentPanel and self.currentPanel.panelManager.visible:
 411       if isinstance(self.currentPanel.panelManager.visible,Items.ItemComposedNode):
 412         #it is a composed node with a graph
 413         self.currentPanel.panelManager.visible.graph.orthoLinks()
 414
 415   def clearLinks(self):
 416     if self.currentPanel and self.currentPanel.panelManager.visible:
 417       if isinstance(self.currentPanel.panelManager.visible,Items.ItemComposedNode):
 418         #it is a composed node with a graph
 419         self.currentPanel.panelManager.visible.graph.clearLinks()
 420
 421   def handlePreferences(self):
 422     pass
 423
 424   def handleWindowMenu(self):
 425     pass
 426
 427   def about(self):
 428     QMessageBox.about(self,'YACS browser GUI', 'YACS browser GUI')
 429
 430   def aboutQt(self):
 431     QMessageBox.aboutQt(self,'YACS browser GUI')
 432
 433   def run(self):
 434     if self.currentPanel:
 435       self.currentPanel.run()
 436
 437   def susp(self):
 438     if self.currentPanel:
 439       self.currentPanel.susp()
 440
 441   def step(self):
 442     if self.currentPanel:
 443       self.currentPanel.step()
 444
 445   def stop(self):
 446     if self.currentPanel:
 447       self.currentPanel.stop()
 448
 449   def initToolbar(self):
 450     tb = QToolBar(self)
 451     self.newAct.addTo(tb)
 452     self.runAct.addTo(tb)
 453     self.suspAct.addTo(tb)
 454     self.stepAct.addTo(tb)
 455     self.stopAct.addTo(tb)
 456     self.toolbars={}
 457     self.toolbars['File']=tb
 458
 459   def initStatusbar(self):
 460     sb = self.statusBar()
 461     self.SBfile=QLabel(sb)
 462     sb.addWidget(self.SBfile)
 463     QWhatsThis.add(self.SBfile,
 464                    """<p>Partie de la statusbar qui donne le nom"""
 465                    """du fichier courant. </p>""")
 466     self.SBfile.setText("")
 467
 468
 469 if __name__ == "__main__":
 470   from Item import Item
 471   app = QApplication(sys.argv)
 472   t=Appli()
 473   t.objectBrowser.additem(Item("item1"))
 474   n=t.objectBrowser.additem(Item("item2"))
 475   n.additem(Item("item3"))
 476   app.setMainWidget(t)
 477   t.show()
 478   app.exec_loop()
 479
 480