import os import matplotlib, numpy from asap.logging import asaplog, asaplog_post_dec from matplotlib.patches import Rectangle from asap.parameters import rcParams from asap._asap import stmath from asap.customgui_base import * import PyQt4 as qt ###################################### ## Add CASA custom toolbar ## ###################################### class CustomToolbarQT4Agg(CustomToolbarCommon, qt.QtGui.QToolBar): def __init__(self,parent): from asap.asapplotter import asapplotter if not isinstance(parent,asapplotter): return False if not parent._plotter: return False self._p = parent._plotter self.figmgr = self._p.figmgr self.canvas = self.figmgr.canvas self.mode = '' self.button = True self.pagecount = None CustomToolbarCommon.__init__(self,parent) self.notewin = NotationWindowQT4Agg(master=self.canvas) self._add_custom_toolbar() def _add_custom_toolbar(self): qt.QtGui.QToolBar.__init__(self,parent=self.figmgr.window) self.figmgr.window.addToolBar(qt.QtCore.Qt.BottomToolBarArea,self) self.bNote = self._NewButton(master=self, text='notation', command=self.modify_note, balloon="add note on plot") self.bNote.setCheckable(True) self.bStat = self._NewButton(master=self, text='statistics', command=self.stat_cal, balloon="calculate statistics") self.bStat.setCheckable(True) # page change oparations frPage = qt.QtGui.QWidget(parent=self,flags=qt.QtCore.Qt.Tool) loPage = qt.QtGui.QHBoxLayout(self) loPage.addStretch(1) self.lPagetitle = qt.QtGui.QLabel('Page:',parent=frPage) self.lPagetitle.setMargin(5) loPage.addWidget(self.lPagetitle) self.pagecount = qt.QtGui.QLabel(parent=frPage) self.pagecount.setStyleSheet("background-color: white") self.pagecount.setMargin(3) self.pagecount.setText(' 1') loPage.addWidget(self.pagecount) self.bNext = self._NewButton(master=frPage, text=' + ', command=self.next_page, addit=False, balloon="plot next page") loPage.addWidget(self.bNext) self.bPrev = self._NewButton(master=frPage, text=' - ', command=self.prev_page,addit=False, balloon="plot previous page") loPage.addWidget(self.bPrev) frPage.setLayout(loPage) self.addWidget(frPage) self.bQuit = self._NewButton(master=self, text='Quit', command=self.quit, balloon="Close window") self.pagecount.setText(' '*4) self.disable_button() return def _NewButton(self, master, text, command, balloon=None,addit=True): b = qt.QtGui.QPushButton(text,parent=master) if balloon: b.setToolTip(balloon) if addit: master.addWidget(b) master.connect(b,qt.QtCore.SIGNAL('clicked()'),command) return b def show_pagenum(self,pagenum,formatstr): self.pagecount.setText(formatstr % (pagenum)) def spec_show(self): if not self.figmgr.toolbar.mode == '' or not self.button: return self.figmgr.toolbar.set_message("spec value: drag on a spec") if self.mode == 'spec': return self.mode = 'spec' self.notewin.close_widgets() self.__disconnect_event() self._p.register('button_press',self._select_spectrum) def stat_cal(self): if not self.figmgr.toolbar.mode == '' or not self.button: # Get back button status BEFORE clicked self.bStat.setChecked(not self.bStat.isChecked()) return if self.mode == 'stat': # go back to spec mode self.bStat.setChecked(False) self.bStat.setToolTip("calculate statistics") self.spec_show() return self.figmgr.toolbar.set_message("statistics: click at start and end channels") self.bStat.setChecked(True) self.bStat.setToolTip("Back to spec value mode") self.bNote.setChecked(False) self.bNote.setToolTip("add note on plot") self.mode = 'stat' self.notewin.close_widgets() self.__disconnect_event() self._p.register('button_press',self._single_mask) def modify_note(self): if not self.figmgr.toolbar.mode == '': # Get back button status BEFORE clicked self.bNote.setChecked(not self.bNote.isChecked()) return if self.mode == 'note': self.bNote.setChecked(False) self.bNote.setToolTip("add note on plot") self.mode = 'none' self.spec_show() if not self.button: self.notewin.close_widgets() self.__disconnect_event() return self.figmgr.toolbar.set_message("text: select a position/text") self.bStat.setChecked(False) self.bStat.setToolTip("calculate statistics") self.bNote.setChecked(True) self.bNote.setToolTip("Back to spec value mode") self.mode = 'note' self.__disconnect_event() self._p.register('button_press',self._mod_note) def quit(self): self.__disconnect_event() self.disable_button() self._p.quit() def enable_button(self): if self.button: return self.bStat.setEnabled(True) self.button = True self.spec_show() def disable_button(self): if not self.button: return self.bStat.setChecked(False) self.bStat.setDisabled(True) self.button = False self.mode = '' self.__disconnect_event() def enable_next(self): self.bNext.setEnabled(True) def disable_next(self): self.bNext.setDisabled(True) def enable_prev(self): self.bPrev.setEnabled(True) def disable_prev(self): self.bPrev.setDisabled(True) # pause buttons for slow operations def _pause_buttons(self,operation="end",msg=""): buttons = ["bStat","bNote","bQuit"] if operation == "start": enable = False else: enable = True for btn in buttons: getattr(self,btn).setEnabled(enable) self.figmgr.toolbar.set_message(msg) def delete_bar(self): self.__disconnect_event() self.destroy() def __disconnect_event(self): self._p.register('button_press',None) self._p.register('button_release',None) def _draw_span(self,axes,x0,x1,**kwargs): height = self._p.figure.bbox.height y1 = height - axes.bbox.y1 h = axes.bbox.height w = abs(x1 - x0) rect = [ int(val) for val in min(x0,x1), y1, w, h ] self._p.canvas.drawRectangle( rect ) # nothing is returned by drawRectangle return None def _remove_span(self,span): # Nothing to do with remove. just refresh (call only once) self.canvas.draw() ###################################### ## Notation box window ## ###################################### class NotationWindowQT4Agg(NotationWindowCommon): """ Backend based class to create widgets to add, modify, or delete note on the plot. Note: Press LEFT-mouse button on the plot to ADD a note on the canvas. A notation window will be loaded for specifying note string and anchor. The note will be anchored on a position in whether figure- (0-1 relative in a figure), panel- (0-1 relative in a plot axes), or data-coordinate (data value in a plot axes). Press RIGHT-mouse button on a note to MODIFY/DELETE it. A cascade menu will be displayed and you can select an operation. """ def __init__(self,master=None): self.parent = master NotationWindowCommon.__init__(self,master=master) self.anchval = None self.textwin = self._create_textwindow(master=None) self.menu = self._create_modmenu(master=self.parent) ### Notation window widget def _create_textwindow(self,master=None): """Create notation window widget and iconfy it""" #twin = qt.QtGui.QWidget(parent=master, flags=qt.QtCore.Qt.Popup) twin = qt.QtGui.QWidget(parent=master, flags=qt.QtCore.Qt.Dialog) twin.setWindowTitle("Notation") self.textbox = self._NotationBox(parent=twin) radiobox = self._AnchorRadio(parent=twin) self.actionbs = self._ActionButtons(parent=twin) vbox = qt.QtGui.QVBoxLayout(twin) vbox.addWidget(self.textbox) vbox.addWidget(radiobox) vbox.addLayout(self.actionbs) twin.setLayout(vbox) #twin.setCentralWidget(self.textbox) twin.hide() return twin def _NotationBox(self,parent=None): textbox = qt.QtGui.QPlainTextEdit(parent=parent) textbox.setStyleSheet("background-color: white") fmetric = qt.QtGui.QFontMetrics(textbox.currentCharFormat().font()) textbox.resize(fmetric.width("A")*20+fmetric.leading()*2, fmetric.height()*2+fmetric.ascent()+fmetric.descent()) del fmetric textbox.setMinimumSize(textbox.size()) textbox.setUndoRedoEnabled(True) textbox.setMidLineWidth(3) textbox.setFrameShadow(qt.QtGui.QFrame.Sunken) textbox.setCursor(qt.QtCore.Qt.IBeamCursor) textbox.setFocus() return textbox def _AnchorRadio(self,parent=None): # Returns a QGoupBox object which includes radio butons to # select an anchor anchbox = qt.QtGui.QGroupBox("anchor",parent=parent) self.radio = qt.QtGui.QButtonGroup(parent=anchbox) self.rFig = self._NewRadioButton(anchbox,"figure",\ bgr=self.radio,value=0,\ balloon="a fixed position in figure") self.rAxis = self._NewRadioButton(anchbox,"panel",\ bgr=self.radio,value=1,\ balloon="a fixed realtive position in subplot") self.rData = self._NewRadioButton(anchbox,"data",\ bgr=self.radio,value=2,\ balloon="a fixed data position in subplot") hbox = qt.QtGui.QHBoxLayout(anchbox) hbox.addWidget(self.rFig) hbox.addWidget(self.rAxis) hbox.addWidget(self.rData) anchbox.setLayout(hbox) # set initial selection "figure" self.rFig.setChecked(True) self.radio.setExclusive(True) self.anchval = self.radio.checkedId() return anchbox def _NewRadioButton(self,parent,text,balloon=None,bgr=None,value=None): rb= qt.QtGui.QRadioButton(text,parent=parent) if bgr: if value is not None: bgr.addButton(rb,value) else: bgr.addButton(rb) if balloon: rb.setToolTip(balloon) return rb def _enable_radio(self): """Enable 'panel' and 'data' radio button""" self.rAxis.setEnabled(True) self.rData.setEnabled(True) # select Figure as the default value self.rFig.setChecked(True) self.anchval = self.radio.checkedId() def _reset_radio(self): """Disable 'panel' and 'data' radio button""" self.rAxis.setDisabled(True) self.rData.setDisabled(True) self.rFig.setEnabled(True) # select Figure as the default value self.rFig.setChecked(True) self.anchval = self.radio.checkedId() def _select_radio(self,selection): """Select a specified radio button""" if not selection in self.anchors: return if selection == "data": self.rData.setChecked(True) elif selection == "axes": self.rAxis.setChecked(True) else: self.rFig.setChecked(True) self.anchval = self.radio.checkedId() def _get_anchval(self): """Returns a integer of a selected radio button""" self.anchval = self.radio.checkedId() return self.anchval def _get_note(self): """Returns a note string specified in the text box""" return str(self.textbox.toPlainText()) def _clear_textbox(self): """Clear the text box""" self.textbox.clear() def _set_note(self,note=None): """Set a note string to the text box""" self._clear_textbox() if len(note) >0: self.textbox.setPlainText(note) def _ActionButtons(self,parent=None): # Returns a layout object which includes "cancel" and "print" buttons actbuts = qt.QtGui.QHBoxLayout() bCancel = self._NewButton(parent,"cancel",self._cancel_text,\ addit=False,\ balloon="cancel printing/modifying") bPrint = self._NewButton(parent,"print", self._print_text,\ addit=False,\ balloon="print text on plot") actbuts.addWidget(bCancel) actbuts.addWidget(bPrint) return actbuts def _NewButton(self, parent, text, command, balloon=None, addit=True): b = qt.QtGui.QPushButton(text,parent=parent) if balloon: b.setToolTip(balloon) if addit: parent.addWidget(b) parent.connect(b,qt.QtCore.SIGNAL('clicked()'),command) return b def _cancel_text(self): """ Cancel adding/modifying a note and close notaion window. called when 'cancel' is selected. """ self.close_textwindow() def _print_text(self): """ Add/Modify a note. Called when 'print' is selected on the notation window. """ self.print_text() self.close_textwindow() def load_textwindow(self,event): """ Load text window at a event position to add a note on a plot. Parameter: event: an even object to specify the position to load text window. """ self.close_modmenu() if event.canvas != self.parent: raise RuntimeError, "Got invalid event!" self.event = event is_ax = (event.inaxes != None) (xpix, ypix) = self._disppix2screen(event.x, event.y) offset = 5 self.show_textwindow(xpix+offset,ypix+offset,enableaxes=is_ax) def show_textwindow(self,xpix,ypix,basetext=None,enableaxes=False): """ Load text window at a position of screen to add a note on a plot. Parameters: xpix, ypix: a pixel position from Upper-left corner of the screen. basetext: None (default) or any string. A string to be printed on text box when loaded. enableaxes: False (default) or True. If True, 'panel' & 'data' radio button is enabled. """ if not self.textwin: return self._reset_radio() if enableaxes: self._enable_radio() self.textwin.activateWindow() h = self.textwin.minimumHeight() w = self.textwin.minimumWidth() self.textwin.resize(w,h) self.textwin.move(xpix,ypix) self.textbox.setFocus() self.textwin.raise_() self.textwin.show() if w*h <= 1: # Initial load self.textwin.setMinimumSize(self.textwin.size()) def close_textwindow(self): """Close text window.""" self.seltext = {} self._reset_radio() self._clear_textbox() self.textwin.hide() ### Modify/Delete menu widget def _create_modmenu(self,master=None): """Create modify/delete menu widget""" if master: self.parent = master if not self.parent: return False menu = qt.QtGui.QMenu(parent=self.parent) menu.setTearOffEnabled(False) menu.addAction("Modify",self._modify_note) menu.addAction("Delete",self._delnote_dialog) return menu def load_modmenu(self,event): """ Load cascade menu at a event position to modify or delete selected text. Parameter: event: an even object to specify the position to load text window. """ self.close_textwindow() self.seltext = self._get_selected_text(event) if len(self.seltext) == 3: canvas = event.canvas corig = canvas.mapToGlobal(qt.QtCore.QPoint(0,0)) xpixs = corig.x() + int(event.x) ypixs = corig.y() + canvas.height() - int(event.y) self.menu.activateWindow() self.menu.move(xpixs,ypixs) self.menu.show() def close_modmenu(self): """Close cascade menu.""" self.seltext = {} self.menu.hide() ### load text window for modification def _modify_note(self): """helper function to load text window to modify selected note""" textobj = self.seltext['textobj'] (xtx, ytx) = textobj._get_xy_display() is_ax = (self.seltext['anchor'] != 'figure') if not is_ax: # previous anchor is figure pos = textobj.get_position() is_ax = (self._get_axes_from_pos(pos,self.canvas) != None) (xpix, ypix) = self._disppix2screen(xtx,ytx) offset = int(textobj.get_size())*2 self.show_textwindow(xpix,ypix+offset,basetext=textobj.get_text(),\ enableaxes=is_ax) self._select_radio(self.seltext['anchor']) self._set_note(textobj.get_text()) ### close all widgets def close_widgets(self): """Close note window and menu""" self.close_textwindow() self.close_modmenu() ### dialog to confirm deleting note def _delnote_dialog(self): """Load dialog to confirm deletion of the text""" remind = "Delete text?\n '"+self.seltext['textobj'].get_text()+"'" from PyQt4.QtGui import QMessageBox as mbox answer = mbox.question(self.parent,"Delete?",remind, buttons = mbox.Ok | mbox.Cancel, defaultButton=mbox.Cancel) if answer == mbox.Ok: self.delete_note() else: self.cancel_delete() ### helper functions def _disppix2screen(self,xpixd,ypixd): """ helper function to calculate a pixel position form Upper-left corner of the SCREEN from a pixel position (xpixd, ypixd) from Lower-left of the CANVAS (which, e.g., event.x/y returns) Returns: (x, y): pixel position from Upper-left corner of the SCREEN. """ corig = self.parent.mapToGlobal(qt.QtCore.QPoint(0,0)) xpixs = corig.x() + xpixd ypixs = corig.y() + self.parent.height() - ypixd return (int(xpixs), int(ypixs)) ########################################### ## Add CASA custom Flag toolbar ## ########################################### class CustomFlagToolbarQT4Agg(CustomFlagToolbarCommon, qt.QtGui.QToolBar): def __init__(self,parent): from asap.asapplotter import asapplotter if not isinstance(parent,asapplotter): return False if not parent._plotter: return False self._p = parent._plotter self.figmgr = self._p.figmgr self.canvas = self.figmgr.canvas self.mode = '' self.button = True self.pagecount = None CustomFlagToolbarCommon.__init__(self,parent) self.notewin=NotationWindowQT4Agg(master=self.canvas) self._add_custom_toolbar() def _add_custom_toolbar(self): qt.QtGui.QToolBar.__init__(self,parent=self.figmgr.window) self.figmgr.window.addToolBar(qt.QtCore.Qt.BottomToolBarArea,self) self.bRegion = self._NewButton(master=self, text='region', command=self.select_region, balloon="select channel regions") self.bRegion.setCheckable(True) self.bPanel = self._NewButton(master=self, text='panel', command=self.select_panel, balloon="select a whole spectrum") self.bPanel.setCheckable(True) self.bClear = self._NewButton(master=self, text='clear', command=self.cancel_select, balloon="clear selections") self.bFlag = self._NewButton(master=self, text='flag', command=self.flag, balloon="flag selections") self.bUnflag = self._NewButton(master=self, text='unflag', command=self.unflag, balloon="unflag selections") self.bStat = self._NewButton(master=self, text='statistics', command=self.stat_cal, balloon="print statistics of selections") self.bNote = self._NewButton(master=self, text='notation', command=self.modify_note, balloon="add note on plot") self.bNote.setCheckable(True) # page change oparations frPage = qt.QtGui.QWidget(parent=self,flags=qt.QtCore.Qt.Tool) loPage = qt.QtGui.QHBoxLayout(self) loPage.addStretch(1) self.lPagetitle = qt.QtGui.QLabel('Page:',parent=frPage) self.lPagetitle.setMargin(5) loPage.addWidget(self.lPagetitle) self.pagecount = qt.QtGui.QLabel(parent=frPage) self.pagecount.setStyleSheet("background-color: white") self.pagecount.setMargin(3) self.pagecount.setText(' 1') loPage.addWidget(self.pagecount) self.bNext = self._NewButton(master=frPage, text='+', #imagename="hand.ppm", command=self.next_page, addit=False, balloon="plot next page") loPage.addWidget(self.bNext) self.bPrev = self._NewButton(master=frPage, text='-', command=self.prev_page, addit=False, balloon="plot previous page") loPage.addWidget(self.bPrev) frPage.setLayout(loPage) self.addWidget(frPage) self.bQuit = self._NewButton(master=self, text='Quit', #imagename="stock_close.ppm", command=self.quit, balloon="Close window") self.pagecount.setText(' '*4) self.disable_button() return def _NewButton(self, master, text, command, balloon=None,addit=True,imagename=None): img = None if imagename: imagename = os.path.join(matplotlib.rcParams['datapath'], 'images', imagename) # img = Tk.PhotoImage(master=master, file=imagename) b = qt.QtGui.QPushButton(text,parent=master) if balloon: b.setToolTip(balloon) if addit: master.addWidget(b) master.connect(b,qt.QtCore.SIGNAL('clicked()'),command) # if img: b.image = img return b def show_pagenum(self,pagenum,formatstr): self.pagecount.setText(formatstr % (pagenum)) def spec_show(self): if not self.figmgr.toolbar.mode == '' or not self.button: return self.figmgr.toolbar.set_message('spec value: drag on a spec') if self.mode == 'spec': return self.mode = 'spec' self.notewin.close_widgets() self.__disconnect_event() self._p.register('button_press',self._select_spectrum) def modify_note(self): if not self.figmgr.toolbar.mode == '': # Get back button status BEFORE clicked self.bNote.setChecked(not self.bNote.isChecked()) return if self.mode == 'note': self.bNote.setChecked(False) self.bNote.setToolTip("add note on plot") self.mode = 'none' self.spec_show() if not self.button: self.notewin.close_widgets() self.__disconnect_event() return self.figmgr.toolbar.set_message('text: select a position/text') self.bNote.setChecked(True) self.bNote.setToolTip("Back to spec value mode") self.bRegion.setChecked(False) self.bRegion.setToolTip("select channel regions") self.bPanel.setChecked(False) self.bPanel.setToolTip("select a whole spectrum") self.mode = 'note' self.__disconnect_event() self._p.register('button_press',self._mod_note) def select_region(self): if not self.figmgr.toolbar.mode == '' or not self.button: # Get back button status BEFORE clicked self.bRegion.setChecked(not self.bRegion.isChecked()) if self.mode == 'region': self.bRegion.setChecked(False) self.bRegion.setToolTip("select channel regions") self.mode = 'none' self.spec_show() return self.figmgr.toolbar.set_message('select regions: click at start and end channels') self.bNote.setChecked(False) self.bNote.setToolTip("add note on plot") self.bRegion.setChecked(True) self.bRegion.setToolTip("Back to spec value mode") self.bPanel.setChecked(False) self.bPanel.setToolTip("select a whole spectrum") self.mode = 'region' self.notewin.close_widgets() self.__disconnect_event() self._p.register('button_press',self._add_region) def select_panel(self): if not self.figmgr.toolbar.mode == '' or not self.button: # Get back button status BEFORE clicked self.bPanel.setChecked(not self.bPanel.isChecked()) return if self.mode == 'panel': self.bPanel.setChecked(False) self.bPanel.setToolTip("select subplots") self.mode = 'none' self.spec_show() return self.figmgr.toolbar.set_message('select spectra: click on subplots') self.bNote.setChecked(False) self.bNote.setToolTip("add note on plot") self.bRegion.setChecked(False) self.bRegion.setToolTip("select channel regions") self.bPanel.setChecked(True) self.bPanel.setToolTip("Back to spec value mode") self.mode = 'panel' self.notewin.close_widgets() self.__disconnect_event() self._p.register('button_press',self._add_panel) def quit(self): self.__disconnect_event() self.disable_button() self._p.unmap() def enable_button(self): if self.button: return self.bRegion.setEnabled(True) self.bPanel.setEnabled(True) self.bClear.setEnabled(True) self.bFlag.setEnabled(True) self.bUnflag.setEnabled(True) self.bStat.setEnabled(True) self.button = True self.spec_show() def disable_button(self): ## disable buttons which don't work for plottp if not self.button: return self.bRegion.setChecked(False) self.bRegion.setToolTip("select channel regions") self.bPanel.setChecked(False) self.bPanel.setToolTip("select subplots") self.bRegion.setDisabled(True) self.bPanel.setDisabled(True) self.bClear.setDisabled(True) self.bFlag.setDisabled(True) self.bUnflag.setDisabled(True) self.bStat.setDisabled(True) self.bNext.setDisabled(True) self.bPrev.setDisabled(True) self.button = False self.mode = '' self.notewin.close_widgets() self.__disconnect_event() def enable_next(self): self.bNext.setEnabled(True) def disable_next(self): self.bNext.setDisabled(True) def enable_prev(self): self.bPrev.setEnabled(True) def disable_prev(self): self.bPrev.setDisabled(True) # pause buttons for slow operations def _pause_buttons(self,operation="end",msg=""): buttons = ["bRegion","bPanel","bClear","bFlag","bUnflag","bStat", "bNote","bQuit"] if operation == "start": enable = False else: enable = True for btn in buttons: getattr(self,btn).setEnabled(enable) self.figmgr.toolbar.set_message(msg) def delete_bar(self): self.__disconnect_event() self.destroy() def __disconnect_event(self): self._p.register('button_press',None) self._p.register('button_release',None) def _draw_span(self,axes,x0,x1,**kwargs): height = self._p.figure.bbox.height y1 = height - axes.bbox.y1 h = axes.bbox.height w = abs(x1 - x0) rect = [ int(val) for val in min(x0,x1), y1, w, h ] self._p.canvas.drawRectangle( rect ) # nothing is returned by drawRectangle return None def _remove_span(self,span): # Nothing to do with remove. pass