| 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 |
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| 423 | if not self.parent: |
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| 424 | return False |
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| 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 |
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| 430 | |
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| 431 | def load_modmenu(self,event): |
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| 432 | """ |
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| 433 | Load cascade menu at a event position to modify or delete |
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| 434 | selected text. |
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| 435 | Parameter: |
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| 436 | event: an even object to specify the position to load |
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| 437 | text window. |
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| 438 | """ |
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| 439 | self.close_textwindow() |
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| 440 | self.seltext = self._get_selected_text(event) |
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| 441 | if len(self.seltext) == 3: |
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| 442 | canvas = event.canvas |
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| 443 | corig = canvas.mapToGlobal(qt.QtCore.QPoint(0,0)) |
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| 444 | xpixs = corig.x() + int(event.x) |
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| 445 | ypixs = corig.y() + canvas.height() - int(event.y) |
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| 446 | self.menu.activateWindow() |
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| 447 | self.menu.move(xpixs,ypixs) |
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| 448 | self.menu.show() |
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| 449 | |
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| 450 | def close_modmenu(self): |
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| 451 | """Close cascade menu.""" |
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| 452 | self.seltext = {} |
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| 453 | self.menu.hide() |
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| 454 | |
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| 455 | ### load text window for modification |
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| 456 | def _modify_note(self): |
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| 457 | """helper function to load text window to modify selected note""" |
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| 458 | textobj = self.seltext['textobj'] |
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| 459 | (xtx, ytx) = textobj._get_xy_display() |
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| 460 | is_ax = (self.seltext['anchor'] != 'figure') |
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| 461 | if not is_ax: |
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| 462 | # previous anchor is figure |
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| 463 | pos = textobj.get_position() |
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| 464 | is_ax = (self._get_axes_from_pos(pos,self.canvas) != None) |
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| 465 | |
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| 466 | (xpix, ypix) = self._disppix2screen(xtx,ytx) |
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| 467 | offset = int(textobj.get_size())*2 |
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| 468 | self.show_textwindow(xpix,ypix+offset,basetext=textobj.get_text(),\ |
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| 469 | enableaxes=is_ax) |
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| 470 | self._select_radio(self.seltext['anchor']) |
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| 471 | self._set_note(textobj.get_text()) |
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| 472 | |
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| 473 | ### close all widgets |
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| 474 | def close_widgets(self): |
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| 475 | """Close note window and menu""" |
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| 476 | self.close_textwindow() |
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| 477 | self.close_modmenu() |
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| 478 | |
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| 479 | ### dialog to confirm deleting note |
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| 480 | def _delnote_dialog(self): |
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| 481 | """Load dialog to confirm deletion of the text""" |
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| 482 | remind = "Delete text?\n '"+self.seltext['textobj'].get_text()+"'" |
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| 483 | from PyQt4.QtGui import QMessageBox as mbox |
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| 484 | answer = mbox.question(self.parent,"Delete?",remind, |
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| 485 | buttons = mbox.Ok | mbox.Cancel, |
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| 486 | defaultButton=mbox.Cancel) |
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| 487 | if answer == mbox.Ok: |
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| 488 | self.delete_note() |
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| 489 | else: |
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| 490 | self.cancel_delete() |
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| 491 | |
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| 492 | ### helper functions |
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| 493 | def _disppix2screen(self,xpixd,ypixd): |
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| 494 | """ |
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| 495 | helper function to calculate a pixel position form Upper-left |
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| 496 | corner of the SCREEN from a pixel position (xpixd, ypixd) |
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| 497 | from Lower-left of the CANVAS (which, e.g., event.x/y returns) |
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| 498 | |
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| 499 | Returns: |
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| 500 | (x, y): pixel position from Upper-left corner of the SCREEN. |
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| 501 | """ |
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| 502 | corig = self.parent.mapToGlobal(qt.QtCore.QPoint(0,0)) |
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| 503 | xpixs = corig.x() + xpixd |
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| 504 | ypixs = corig.y() + self.parent.height() - ypixd |
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| 505 | return (int(xpixs), int(ypixs)) |
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| 506 | |
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| 507 | |
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| 508 | |
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| 509 | |
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| 510 | |
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| 511 | |
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| 512 | ########################################### |
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| 513 | ## Add CASA custom Flag toolbar ## |
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| 514 | ########################################### |
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