| 1 | import os
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| 2 | import matplotlib, numpy
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| 3 | from asap.logging import asaplog, asaplog_post_dec
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| 4 | from matplotlib.patches import Rectangle
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| 5 | from asap.parameters import rcParams
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| 6 | from asap._asap import stmath
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| 7 | from asap.customgui_base import *
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| 8 |
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| 9 | import PyQt4 as qt
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| 10 |
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| 11 | ######################################
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| 12 | ## Add CASA custom toolbar ##
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| 13 | ######################################
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| 14 | class CustomToolbarQT4Agg(CustomToolbarCommon, qt.QtGui.QToolBar):
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| 15 | def __init__(self,parent):
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| 16 | from asap.asapplotter import asapplotter
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| 17 | if not isinstance(parent,asapplotter):
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| 18 | return False
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| 19 | if not parent._plotter:
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| 20 | return False
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| 21 | self._p = parent._plotter
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| 22 | self.figmgr = self._p.figmgr
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| 23 | self.canvas = self.figmgr.canvas
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| 24 | self.mode = ''
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| 25 | self.button = True
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| 26 | self.pagecount = None
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| 27 | CustomToolbarCommon.__init__(self,parent)
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| 28 | self.notewin = NotationWindowQT4Agg(master=self.canvas)
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| 29 | self._add_custom_toolbar()
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| 30 |
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| 31 | def _add_custom_toolbar(self):
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| 32 | qt.QtGui.QToolBar.__init__(self,parent=self.figmgr.window)
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| 33 | self.figmgr.window.addToolBar(qt.QtCore.Qt.BottomToolBarArea,self)
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| 34 | self.bNote = self._NewButton(master=self,
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| 35 | text='notation',
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| 36 | command=self.modify_note,
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| 37 | balloon="Add note")
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| 38 | self.bNote.setCheckable(True)
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| 39 |
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| 40 | self.bStat = self._NewButton(master=self,
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| 41 | text='statistics',
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| 42 | command=self.stat_cal,
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| 43 | balloon="Calculate statistics")
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| 44 | self.bStat.setCheckable(True)
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| 45 |
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| 46 | # page change oparations
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| 47 | frPage = qt.QtGui.QWidget(parent=self,flags=qt.QtCore.Qt.Tool)
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| 48 | loPage = qt.QtGui.QHBoxLayout(self)
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| 49 | loPage.addStretch(1)
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| 50 | self.lPagetitle = qt.QtGui.QLabel('Page:',parent=frPage)
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| 51 | self.lPagetitle.setMargin(5)
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| 52 | loPage.addWidget(self.lPagetitle)
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| 53 | self.pagecount = qt.QtGui.QLabel(parent=frPage)
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| 54 | self.pagecount.setStyleSheet("background-color: white")
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| 55 | self.pagecount.setMargin(3)
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| 56 | self.pagecount.setText(' 1')
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| 57 | loPage.addWidget(self.pagecount)
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| 58 |
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| 59 | self.bNext = self._NewButton(master=frPage,
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| 60 | text=' + ',
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| 61 | command=self.next_page,
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| 62 | addit=False)
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| 63 | loPage.addWidget(self.bNext)
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| 64 | self.bPrev = self._NewButton(master=frPage,
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| 65 | text=' - ',
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| 66 | command=self.prev_page,addit=False)
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| 67 | loPage.addWidget(self.bPrev)
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| 68 | frPage.setLayout(loPage)
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| 69 | self.addWidget(frPage)
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| 70 |
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| 71 | self.bQuit = self._NewButton(master=self,
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| 72 | text='Quit',
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| 73 | command=self.quit,
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| 74 | balloon="Close window")
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| 75 |
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| 76 | self.pagecount.setText(' '*4)
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| 77 |
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| 78 | self.disable_button()
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| 79 | return
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| 80 |
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| 81 | def _NewButton(self, master, text, command, balloon=None,addit=True):
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| 82 | b = qt.QtGui.QPushButton(text,parent=master)
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| 83 | if balloon: b.setToolTip(balloon)
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| 84 | if addit: master.addWidget(b)
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| 85 | master.connect(b,qt.QtCore.SIGNAL('clicked()'),command)
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| 86 | return b
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| 87 |
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| 88 | def show_pagenum(self,pagenum,formatstr):
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| 89 | self.pagecount.setText(formatstr % (pagenum))
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| 90 |
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| 91 | def spec_show(self):
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| 92 | if not self.figmgr.toolbar.mode == '' or not self.button: return
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| 93 | self.figmgr.toolbar.set_message('spec value: drag on a spec')
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| 94 | if self.mode == 'spec': return
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| 95 | self.mode = 'spec'
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| 96 | self.notewin.close_widgets()
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| 97 | self.__disconnect_event()
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| 98 | self._p.register('button_press',self._select_spectrum)
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| 99 |
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| 100 | def stat_cal(self):
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| 101 | if not self.figmgr.toolbar.mode == '' or not self.button:
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| 102 | # Get back button status BEFORE clicked
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| 103 | self.bStat.setChecked(not self.bStat.isChecked())
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| 104 | return
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| 105 | if self.mode == 'stat':
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| 106 | # go back to spec mode
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| 107 | self.bStat.setChecked(False)
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| 108 | self.bStat.setToolTip("Calculate statistics")
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| 109 | self.spec_show()
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| 110 | return
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| 111 | self.figmgr.toolbar.set_message('statistics: select a region')
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| 112 | self.bStat.setChecked(True)
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| 113 | self.bStat.setToolTip("Back to spec value mode")
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| 114 | self.bNote.setChecked(False)
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| 115 | self.mode = 'stat'
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| 116 | self.notewin.close_widgets()
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| 117 | self.__disconnect_event()
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| 118 | self._p.register('button_press',self._single_mask)
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| 119 |
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| 120 | def modify_note(self):
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| 121 | if not self.figmgr.toolbar.mode == '':
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| 122 | # Get back button status BEFORE clicked
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| 123 | self.bNote.setChecked(not self.bNote.isChecked())
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| 124 | return
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| 125 | self.figmgr.toolbar.set_message('text: select a position/text')
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| 126 | if self.mode == 'note':
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| 127 | self.bNote.setChecked(False)
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| 128 | self.bNote.setToolTip("Add note")
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| 129 | self.mode = 'none'
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| 130 | self.spec_show()
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| 131 | return
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| 132 | self.bStat.setChecked(False)
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| 133 | self.bNote.setChecked(True)
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| 134 | self.bNote.setToolTip("Back to spec value mode")
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| 135 | self.mode = 'note'
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| 136 | self.__disconnect_event()
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| 137 | self._p.register('button_press',self._mod_note)
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| 138 |
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| 139 | def quit(self):
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| 140 | self.__disconnect_event()
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| 141 | self.disable_button()
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| 142 | self._p.quit()
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| 143 |
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| 144 | def enable_button(self):
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| 145 | if self.button: return
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| 146 | self.bStat.setEnabled(True)
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| 147 | self.button = True
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| 148 | self.spec_show()
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| 149 |
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| 150 | def disable_button(self):
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| 151 | if not self.button: return
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| 152 | self.bStat.setChecked(False)
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| 153 | self.bStat.setDisabled(True)
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| 154 | self.button = False
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| 155 | self.mode = ''
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| 156 | self.__disconnect_event()
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| 157 |
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| 158 | def enable_next(self):
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| 159 | self.bNext.setEnabled(True)
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| 160 |
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| 161 | def disable_next(self):
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| 162 | self.bNext.setDisabled(True)
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| 163 |
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| 164 | def enable_prev(self):
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| 165 | self.bPrev.setEnabled(True)
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| 166 |
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| 167 | def disable_prev(self):
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| 168 | self.bPrev.setDisabled(True)
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| 169 |
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| 170 | # pause buttons for slow operations
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| 171 | def _pause_buttons(self,operation="end",msg=""):
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| 172 | buttons = ["bStat","bNote","bQuit"]
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| 173 | if operation == "start":
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| 174 | enable = False
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| 175 | else:
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| 176 | enable = True
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| 177 | for btn in buttons:
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| 178 | getattr(self,btn).setEnabled(enable)
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| 179 | self.figmgr.toolbar.set_message(msg)
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| 180 |
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| 181 | def delete_bar(self):
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| 182 | self.__disconnect_event()
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| 183 | self.destroy()
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| 184 |
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| 185 | def __disconnect_event(self):
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| 186 | self._p.register('button_press',None)
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| 187 | self._p.register('button_release',None)
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| 188 |
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| 189 |
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| 190 |
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| 191 |
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| 192 | ######################################
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| 193 | ## Notation box window ##
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| 194 | ######################################
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| 195 | class NotationWindowQT4Agg(NotationWindowCommon):
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| 196 | """
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| 197 | Backend based class to create widgets to add, modify, or delete
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| 198 | note on the plot.
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| 199 |
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| 200 | Note:
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| 201 | Press LEFT-mouse button on the plot to ADD a note on the canvas.
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| 202 | A notation window will be loaded for specifying note string and
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| 203 | anchor. The note will be anchored on a position in whether figure-
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| 204 | (0-1 relative in a figure), panel- (0-1 relative in a plot axes),
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| 205 | or data-coordinate (data value in a plot axes).
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| 206 | Press RIGHT-mouse button on a note to MODIFY/DELETE it. A cascade
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| 207 | menu will be displayed and you can select an operation.
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| 208 | """
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| 209 | def __init__(self,master=None):
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| 210 | self.parent = master
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| 211 | NotationWindowCommon.__init__(self,master=master)
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| 212 | self.anchval = None
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| 213 | self.textwin = self._create_textwindow(master=None)
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| 214 | self.menu = self._create_modmenu(master=self.parent)
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| 215 |
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| 216 | ### Notation window widget
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| 217 | def _create_textwindow(self,master=None):
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| 218 | """Create notation window widget and iconfy it"""
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| 219 | #twin = qt.QtGui.QWidget(parent=master, flags=qt.QtCore.Qt.Popup)
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| 220 | twin = qt.QtGui.QWidget(parent=master, flags=qt.QtCore.Qt.Dialog)
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| 221 | twin.setWindowTitle("Notation")
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| 222 | self.textbox = self._NotationBox(parent=twin)
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| 223 | radiobox = self._AnchorRadio(parent=twin)
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| 224 | self.actionbs = self._ActionButtons(parent=twin)
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| 225 | vbox = qt.QtGui.QVBoxLayout(twin)
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| 226 | vbox.addWidget(self.textbox)
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| 227 | vbox.addWidget(radiobox)
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| 228 | vbox.addLayout(self.actionbs)
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| 229 | twin.setLayout(vbox)
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| 230 | #twin.setCentralWidget(self.textbox)
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| 231 | twin.hide()
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| 232 | return twin
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| 233 |
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| 234 | def _NotationBox(self,parent=None):
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| 235 | textbox = qt.QtGui.QPlainTextEdit(parent=parent)
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| 236 | textbox.setStyleSheet("background-color: white")
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| 237 | fmetric = qt.QtGui.QFontMetrics(textbox.currentCharFormat().font())
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| 238 | textbox.resize(fmetric.width("A")*20+fmetric.leading()*2,
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| 239 | fmetric.height()*2+fmetric.ascent()+fmetric.descent())
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| 240 | del fmetric
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| 241 | textbox.setMinimumSize(textbox.size())
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| 242 | textbox.setUndoRedoEnabled(True)
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| 243 | textbox.setMidLineWidth(3)
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| 244 | textbox.setFrameShadow(qt.QtGui.QFrame.Sunken)
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| 245 | textbox.setCursor(qt.QtCore.Qt.IBeamCursor)
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| 246 | textbox.setFocus()
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| 247 | return textbox
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| 248 |
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| 249 | def _AnchorRadio(self,parent=None):
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| 250 | # Returns a QGoupBox object which includes radio butons to
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| 251 | # select an anchor
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| 252 | anchbox = qt.QtGui.QGroupBox("anchor",parent=parent)
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| 253 | self.radio = qt.QtGui.QButtonGroup(parent=anchbox)
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| 254 | self.rFig = self._NewRadioButton(anchbox,"figure",\
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| 255 | bgr=self.radio,value=0,\
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| 256 | balloon="a fixed position in figure")
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| 257 | self.rAxis = self._NewRadioButton(anchbox,"panel",\
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| 258 | bgr=self.radio,value=1,\
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| 259 | balloon="a fixed realtive position in subplot")
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| 260 | self.rData = self._NewRadioButton(anchbox,"data",\
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| 261 | bgr=self.radio,value=2,\
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| 262 | balloon="a fixed data position in subplot")
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| 263 | hbox = qt.QtGui.QHBoxLayout(anchbox)
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| 264 | hbox.addWidget(self.rFig)
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| 265 | hbox.addWidget(self.rAxis)
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| 266 | hbox.addWidget(self.rData)
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| 267 | anchbox.setLayout(hbox)
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| 268 | # set initial selection "figure"
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| 269 | self.rFig.setChecked(True)
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| 270 | self.radio.setExclusive(True)
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| 271 | self.anchval = self.radio.checkedId()
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| 272 | return anchbox
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| 273 |
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| 274 | def _NewRadioButton(self,parent,text,balloon=None,bgr=None,value=None):
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| 275 | rb= qt.QtGui.QRadioButton(text,parent=parent)
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| 276 | if bgr:
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| 277 | if value is not None:
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| 278 | bgr.addButton(rb,value)
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| 279 | else:
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| 280 | bgr.addButton(rb)
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| 281 | if balloon: rb.setToolTip(balloon)
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| 282 | return rb
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| 283 |
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| 284 | def _enable_radio(self):
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| 285 | """Enable 'panel' and 'data' radio button"""
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| 286 | self.rAxis.setEnabled(True)
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| 287 | self.rData.setEnabled(True)
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| 288 | # select Figure as the default value
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| 289 | self.rFig.setChecked(True)
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| 290 | self.anchval = self.radio.checkedId()
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| 291 |
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| 292 | def _reset_radio(self):
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| 293 | """Disable 'panel' and 'data' radio button"""
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| 294 | self.rAxis.setDisabled(True)
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| 295 | self.rData.setDisabled(True)
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| 296 | self.rFig.setEnabled(True)
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| 297 | # select Figure as the default value
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| 298 | self.rFig.setChecked(True)
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| 299 | self.anchval = self.radio.checkedId()
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| 300 |
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| 301 | def _select_radio(self,selection):
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| 302 | """Select a specified radio button"""
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| 303 | if not selection in self.anchors:
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| 304 | return
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| 305 | if selection == "data":
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| 306 | self.rData.setChecked(True)
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| 307 | elif selection == "axes":
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| 308 | self.rAxis.setChecked(True)
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| 309 | else:
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| 310 | self.rFig.setChecked(True)
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| 311 | self.anchval = self.radio.checkedId()
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| 312 |
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| 313 | def _get_anchval(self):
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| 314 | """Returns a integer of a selected radio button"""
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| 315 | self.anchval = self.radio.checkedId()
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| 316 | return self.anchval
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| 317 |
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| 318 | def _get_note(self):
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| 319 | """Returns a note string specified in the text box"""
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| 320 | return str(self.textbox.toPlainText())
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| 321 |
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| 322 | def _clear_textbox(self):
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| 323 | """Clear the text box"""
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| 324 | self.textbox.clear()
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| 325 |
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| 326 | def _set_note(self,note=None):
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| 327 | """Set a note string to the text box"""
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| 328 | self._clear_textbox()
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| 329 | if len(note) >0:
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| 330 | self.textbox.setPlainText(note)
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| 331 |
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| 332 | def _ActionButtons(self,parent=None):
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| 333 | # Returns a layout object which includes "cancel" and "print" buttons
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| 334 | actbuts = qt.QtGui.QHBoxLayout()
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| 335 | bCancel = self._NewButton(parent,"cancel",self._cancel_text,\
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| 336 | addit=False,\
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| 337 | balloon="cancel printing/modifying")
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| 338 | bPrint = self._NewButton(parent,"print", self._print_text,\
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| 339 | addit=False,\
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| 340 | balloon="print text on plot")
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| 341 | actbuts.addWidget(bCancel)
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| 342 | actbuts.addWidget(bPrint)
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| 343 | return actbuts
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| 344 |
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| 345 | def _NewButton(self, parent, text, command, balloon=None, addit=True):
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| 346 | b = qt.QtGui.QPushButton(text,parent=parent)
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| 347 | if balloon: b.setToolTip(balloon)
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| 348 | if addit: parent.addWidget(b)
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| 349 | parent.connect(b,qt.QtCore.SIGNAL('clicked()'),command)
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| 350 | return b
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| 351 |
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| 352 | def _cancel_text(self):
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| 353 | """
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| 354 | Cancel adding/modifying a note and close notaion window.
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| 355 | called when 'cancel' is selected.
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| 356 | """
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| 357 | self.close_textwindow()
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| 358 |
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| 359 | def _print_text(self):
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| 360 | """
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| 361 | Add/Modify a note. Called when 'print' is selected on the
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| 362 | notation window.
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| 363 | """
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| 364 | self.print_text()
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| 365 | self.close_textwindow()
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| 366 |
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| 367 | def load_textwindow(self,event):
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| 368 | """
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| 369 | Load text window at a event position to add a note on a plot.
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| 370 | Parameter:
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| 371 | event: an even object to specify the position to load
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| 372 | text window.
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| 373 | """
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| 374 | self.close_modmenu()
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| 375 | if event.canvas != self.parent:
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| 376 | raise RuntimeError, "Got invalid event!"
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| 377 |
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| 378 | self.event = event
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| 379 | is_ax = (event.inaxes != None)
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| 380 | (xpix, ypix) = self._disppix2screen(event.x, event.y)
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| 381 | offset = 5
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| 382 | self.show_textwindow(xpix+offset,ypix+offset,enableaxes=is_ax)
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| 383 |
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| 384 | def show_textwindow(self,xpix,ypix,basetext=None,enableaxes=False):
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| 385 | """
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| 386 | Load text window at a position of screen to add a note on a plot.
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| 387 | Parameters:
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| 388 | xpix, ypix: a pixel position from Upper-left corner
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| 389 | of the screen.
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| 390 | basetext: None (default) or any string.
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| 391 | A string to be printed on text box when loaded.
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| 392 | enableaxes: False (default) or True.
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| 393 | If True, 'panel' & 'data' radio button is enabled.
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| 394 | """
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| 395 | if not self.textwin: return
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| 396 | self._reset_radio()
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| 397 | if enableaxes:
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| 398 | self._enable_radio()
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| 399 | self.textwin.activateWindow()
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| 400 | h = self.textwin.minimumHeight()
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| 401 | w = self.textwin.minimumWidth()
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| 402 | self.textwin.resize(w,h)
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| 403 | self.textwin.move(xpix,ypix)
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| 404 | self.textbox.setFocus()
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| 405 | self.textwin.raise_()
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| 406 | self.textwin.show()
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| 407 | if w*h <= 1: # Initial load
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| 408 | self.textwin.setMinimumSize(self.textwin.size())
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| 409 |
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| 410 | def close_textwindow(self):
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| 411 | """Close text window."""
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| 412 | self.seltext = {}
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| 413 | self._reset_radio()
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| 414 | self._clear_textbox()
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| 415 | self.textwin.hide()
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| 416 |
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| 417 |
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| 418 | ### Modify/Delete menu widget
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| 419 | def _create_modmenu(self,master=None):
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| 420 | """Create modify/delete menu widget"""
|
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| 421 | if master:
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| 422 | self.parent = master
|
|---|
| 423 | if not self.parent:
|
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| 424 | return False
|
|---|
| 425 | menu = qt.QtGui.QMenu(parent=self.parent)
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|---|
| 426 | menu.setTearOffEnabled(False)
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| 427 | menu.addAction("Modify",self._modify_note)
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| 428 | menu.addAction("Delete",self._delnote_dialog)
|
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| 429 | return menu
|
|---|
| 430 |
|
|---|
| 431 | def load_modmenu(self,event):
|
|---|
| 432 | """
|
|---|
| 433 | Load cascade menu at a event position to modify or delete
|
|---|
| 434 | selected text.
|
|---|
| 435 | Parameter:
|
|---|
| 436 | event: an even object to specify the position to load
|
|---|
| 437 | text window.
|
|---|
| 438 | """
|
|---|
| 439 | self.close_textwindow()
|
|---|
| 440 | self.seltext = self._get_selected_text(event)
|
|---|
| 441 | if len(self.seltext) == 3:
|
|---|
| 442 | canvas = event.canvas
|
|---|
| 443 | corig = canvas.mapToGlobal(qt.QtCore.QPoint(0,0))
|
|---|
| 444 | xpixs = corig.x() + int(event.x)
|
|---|
| 445 | ypixs = corig.y() + canvas.height() - int(event.y)
|
|---|
| 446 | self.menu.activateWindow()
|
|---|
| 447 | self.menu.move(xpixs,ypixs)
|
|---|
| 448 | self.menu.show()
|
|---|
| 449 |
|
|---|
| 450 | def close_modmenu(self):
|
|---|
| 451 | """Close cascade menu."""
|
|---|
| 452 | self.seltext = {}
|
|---|
| 453 | self.menu.hide()
|
|---|
| 454 |
|
|---|
| 455 | ### load text window for modification
|
|---|
| 456 | def _modify_note(self):
|
|---|
| 457 | """helper function to load text window to modify selected note"""
|
|---|
| 458 | textobj = self.seltext['textobj']
|
|---|
| 459 | (xtx, ytx) = textobj._get_xy_display()
|
|---|
| 460 | is_ax = (self.seltext['anchor'] != 'figure')
|
|---|
| 461 | if not is_ax:
|
|---|
| 462 | # previous anchor is figure
|
|---|
| 463 | pos = textobj.get_position()
|
|---|
| 464 | is_ax = (self._get_axes_from_pos(pos,self.canvas) != None)
|
|---|
| 465 |
|
|---|
| 466 | (xpix, ypix) = self._disppix2screen(xtx,ytx)
|
|---|
| 467 | offset = int(textobj.get_size())*2
|
|---|
| 468 | self.show_textwindow(xpix,ypix+offset,basetext=textobj.get_text(),\
|
|---|
| 469 | enableaxes=is_ax)
|
|---|
| 470 | self._select_radio(self.seltext['anchor'])
|
|---|
| 471 | self._set_note(textobj.get_text())
|
|---|
| 472 |
|
|---|
| 473 | ### close all widgets
|
|---|
| 474 | def close_widgets(self):
|
|---|
| 475 | """Close note window and menu"""
|
|---|
| 476 | self.close_textwindow()
|
|---|
| 477 | self.close_modmenu()
|
|---|
| 478 |
|
|---|
| 479 | ### dialog to confirm deleting note
|
|---|
| 480 | def _delnote_dialog(self):
|
|---|
| 481 | """Load dialog to confirm deletion of the text"""
|
|---|
| 482 | remind = "Delete text?\n '"+self.seltext['textobj'].get_text()+"'"
|
|---|
| 483 | from PyQt4.QtGui import QMessageBox as mbox
|
|---|
| 484 | answer = mbox.question(self.parent,"Delete?",remind,
|
|---|
| 485 | buttons = mbox.Ok | mbox.Cancel,
|
|---|
| 486 | defaultButton=mbox.Cancel)
|
|---|
| 487 | if answer == mbox.Ok:
|
|---|
| 488 | self.delete_note()
|
|---|
| 489 | else:
|
|---|
| 490 | self.cancel_delete()
|
|---|
| 491 |
|
|---|
| 492 | ### helper functions
|
|---|
| 493 | def _disppix2screen(self,xpixd,ypixd):
|
|---|
| 494 | """
|
|---|
| 495 | helper function to calculate a pixel position form Upper-left
|
|---|
| 496 | corner of the SCREEN from a pixel position (xpixd, ypixd)
|
|---|
| 497 | from Lower-left of the CANVAS (which, e.g., event.x/y returns)
|
|---|
| 498 |
|
|---|
| 499 | Returns:
|
|---|
| 500 | (x, y): pixel position from Upper-left corner of the SCREEN.
|
|---|
| 501 | """
|
|---|
| 502 | corig = self.parent.mapToGlobal(qt.QtCore.QPoint(0,0))
|
|---|
| 503 | xpixs = corig.x() + xpixd
|
|---|
| 504 | ypixs = corig.y() + self.parent.height() - ypixd
|
|---|
| 505 | return (int(xpixs), int(ypixs))
|
|---|
| 506 |
|
|---|
| 507 |
|
|---|
| 508 |
|
|---|
| 509 |
|
|---|
| 510 |
|
|---|
| 511 |
|
|---|
| 512 | ###########################################
|
|---|
| 513 | ## Add CASA custom Flag toolbar ##
|
|---|
| 514 | ###########################################
|
|---|
