article_dialog.py

   1 # BiaWeb Website content manager (c) 2010 V.Harishankar
   2 # Category dialog class
   3
   4 import PyQt4
   5 import ui_article_dialog
   6
   7 class ArticleDialog (PyQt4.QtGui.QDialog, ui_article_dialog.Ui_ArticleDialog):
   8         def __init__ (self, parent):
   9                 PyQt4.QtGui.QDialog.__init__ (self, parent)
  10                 self.setupUi (self)
  11
  12         # when rejected, confirm first
  13         def reject (self):
  14                 ans = PyQt4.QtGui.QMessageBox.question (self, "Confirm",
  15                                         "Are you sure you wish to cancel all changes?",
  16                                         PyQt4.QtGui.QMessageBox.Yes, PyQt4.QtGui.QMessageBox.No)
  17                 if ans == PyQt4.QtGui.QMessageBox.Yes:
  18                         PyQt4.QtGui.QDialog.reject (self)
  19
  20
  21         # when bold is clicked
  22         def onBold (self):
  23                 textcur = self.content.textCursor ()
  24                 sel = textcur.selectedText ()
  25                 boldsel = "<b>" + sel + "</b>"
  26                 textcur.insertText (boldsel)
  27
  28         # when block quote is clicked
  29         def onBQuote (self):
  30                 textcur = self.content.textCursor ()
  31                 sel = textcur.selectedText ()
  32                 quotesel = "<blockquote>\n" + sel + "\n</blockquote>"
  33                 textcur.insertText (quotesel)
  34
  35         # when bullet is clicked
  36         def onBullet (self):
  37                 # insert bulleted list
  38                 self.insert_list_items ()
  39
  40         # when code is clicked
  41         def onCode (self):
  42                 textcur = self.content.textCursor ()
  43                 sel = textcur.selectedText ()
  44                 codesel = "<code>" + str (sel) + "</code>"
  45                 textcur.insertText (codesel)
  46
  47         # when horiz rule is clicked
  48         def onHRule (self):
  49                 textcur = self.content.textCursor ()
  50                 hrule = "\n<hr />\n"
  51                 textcur.clearSelection ()
  52                 textcur.insertText (hrule)
  53
  54         # when image is clicked
  55         def onImage (self):
  56                 img_url, ok = PyQt4.QtGui.QInputDialog.getText (self, "Image URL", "URL of the image to insert")
  57                 if not ok or img_url.isEmpty ():
  58                         return
  59                 alt_txt, ok = PyQt4.QtGui.QInputDialog.getText (self, "Alt text", "Alternate text of the image")
  60                 if not ok or alt_txt.isEmpty ():
  61                         return
  62
  63                 textcur = self.content.textCursor ()
  64                 imgtag = '<img src="' + img_url + '" alt="' + alt_txt + '" />'
  65                 textcur.clearSelection ()
  66                 textcur.insertText (imgtag)
  67
  68         # when italic is clicked
  69         def onItalic (self):
  70                 textcur = self.content.textCursor ()
  71                 sel = textcur.selectedText ()
  72                 italsel = "<i>" + sel + "</i>"
  73                 textcur.insertText (italsel)
  74
  75         # when link is clicked
  76         def onLink (self):
  77                 linkhref, ok = PyQt4.QtGui.QInputDialog.getText (self, "Link URL", "URL of the link to insert")
  78                 if not ok or linkhref.isEmpty ():
  79                         return
  80                 textcur = self.content.textCursor ()
  81                 sel = textcur.selectedText ()
  82                 linksel = '<a href="' + linkhref + '">' + sel + "</a>"
  83                 textcur.insertText (linksel)
  84
  85         # when numbered is clicked
  86         def onNumber (self):
  87                 # numbered list
  88                 self.insert_list_items (True)
  89
  90         # get a list of items in numbered or bulleted list
  91         def insert_list_items (self, numbered = False):
  92                 if numbered == True:
  93                         title = "Numbered list"
  94                         otag = "<ol>\n"
  95                         ctag = "</ol>\n"
  96                 else:
  97                         title = "Bulleted list"
  98                         otag = "<ul>\n"
  99                         ctag = "</ul>\n"
 100
 101                 itemlist = [ otag ]
 102                 while True:
 103                         num_item, ok = PyQt4.QtGui.QInputDialog.getText (self, title,
 104                                                         "List item content (leave blank to finish the list)")
 105                         # if cancelled quit
 106                         if not ok:
 107                                 return
 108                         # if item is empty then close the list
 109                         if num_item.isEmpty ():
 110                                 break
 111                         itemlist.append ("   <li>" + num_item + "</li>\n")
 112                 itemlist.append (ctag)
 113
 114                 textcur = self.content.textCursor ()
 115                 textcur.clearSelection ()
 116                 for item in itemlist:
 117                         textcur.insertText (item)
 118
 119
 120         # when center is clicked
 121         def onCenter (self):
 122                 textcur = self.content.textCursor ()
 123                 sel = textcur.selectedText ()
 124                 paracentersel = '<p style="text-align:center;">' + sel + "</p>"
 125                 textcur.insertText (paracentersel)
 126
 127         # when justify is clicked
 128         def onJustify (self):
 129                 textcur = self.content.textCursor ()
 130                 sel = textcur.selectedText ()
 131                 parajustsel = '<p style="text-align:justify;">' + sel + "</p>"
 132                 textcur.insertText (parajustsel)
 133
 134         # when left is clicked
 135         def onLeft (self):
 136                 textcur = self.content.textCursor ()
 137                 sel = textcur.selectedText ()
 138                 paraleftsel = '<p style="text-align:left;">' + sel + "</p>"
 139                 textcur.insertText (paraleftsel)
 140
 141         # when right is clicked
 142         def onRight (self):
 143                 textcur = self.content.textCursor ()
 144                 sel = textcur.selectedText ()
 145                 pararightsel = '<p style="text-align:right;">' + sel + "</p>"
 146                 textcur.insertText (pararightsel)
 147
 148         # when pre is clicked
 149         def onPre (self):
 150                 textcur = self.content.textCursor ()
 151                 sel = textcur.selectedText ()
 152                 presel = "<pre>" + sel + "</pre>"
 153                 textcur.insertText (presel)
 154
 155         # when para is clicked
 156         def onPara (self):
 157                 textcur = self.content.textCursor ()
 158                 sel = textcur.selectedText ()
 159                 parasel = "<p>" + sel + "</p>"
 160                 textcur.insertText (parasel)
 161
 162         # when table is clicked
 163         def onTable (self):
 164                 # get the number of rows
 165                 rows, ok = PyQt4.QtGui.QInputDialog.getInt (self, "Table", "Number of table rows")
 166                 if not ok:
 167                         return
 168                 # get the number of columns
 169                 cols, ok = PyQt4.QtGui.QInputDialog.getInt (self, "Table", "Number of table columns")
 170                 if not ok:
 171                         return
 172                 # should there be a header row?
 173                 headerflag = PyQt4.QtGui.QMessageBox.question (self, "Header", "Do you want additional header row?",
 174                                                                                                         PyQt4.QtGui.QMessageBox.Yes, PyQt4.QtGui.QMessageBox.No,
 175                                                                                                         PyQt4.QtGui.QMessageBox.Cancel)
 176                 if headerflag == PyQt4.QtGui.QMessageBox.Cancel:
 177                         return
 178
 179                 # build the table tag
 180                 tablelist = ["\n<table>\n"]
 181                 if headerflag == PyQt4.QtGui.QMessageBox.Yes:
 182                         tablelist.append (" <thead>\n")
 183                         tablelist.append ("  <tr>\n")
 184                         for i in range (cols):
 185                                 tablelist.append ("   <th></th>\n")
 186                         tablelist.append ("  </tr>\n")
 187                         tablelist.append (" </thead>\n")
 188
 189                 tablelist.append (" <tbody>\n")
 190                 for j in range (rows):
 191                         tablelist.append ("  <tr>\n")
 192                         for i in range (cols):
 193                                 tablelist.append ("   <td></td>\n")
 194                         tablelist.append ("  </tr>\n")
 195                 tablelist.append (" </tbody>\n")
 196                 tablelist.append ("</table>\n")
 197
 198                 # insert the table
 199                 textcur = self.content.textCursor ()
 200                 textcur.clearSelection ()
 201                 for item in tablelist:
 202                         textcur.insertText (item)
 203
 204
 205
 206         # when break is clicked
 207         def onBreak (self):
 208                 textcur = self.content.textCursor ()
 209                 breaktxt = "\n<br />\n"
 210                 textcur.clearSelection ()
 211                 textcur.insertText (breaktxt)