article_dialog.py

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